[INFO] cloning repository https://github.com/tema3210/instrumentio_work
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/tema3210/instrumentio_work" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftema3210%2Finstrumentio_work", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftema3210%2Finstrumentio_work'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 901775b2dcbdbdce2d366a4cd47f91950a5cad3a
[INFO] checking tema3210/instrumentio_work against master#158f00a1c5175648af6f6099b075f78d1d014a28 for pr-121251
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftema3210%2Finstrumentio_work" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/tema3210/instrumentio_work on toolchain 158f00a1c5175648af6f6099b075f78d1d014a28
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+158f00a1c5175648af6f6099b075f78d1d014a28" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/tema3210/instrumentio_work
[INFO] finished tweaking git repo https://github.com/tema3210/instrumentio_work
[INFO] tweaked toml for git repo https://github.com/tema3210/instrumentio_work written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/tema3210/instrumentio_work already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+158f00a1c5175648af6f6099b075f78d1d014a28" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: virtual workspace defaulting to `resolver = "1"` despite one or more workspace members being on edition 2021 which implies `resolver = "2"`
[INFO] [stderr] note: to keep the current resolver, specify `workspace.resolver = "1"` in the workspace root's manifest
[INFO] [stderr] note: to use the edition 2021 resolver, specify `workspace.resolver = "2"` in the workspace root's manifest
[INFO] [stderr] note: for more details see https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded drain_filter_polyfill v0.1.3
[INFO] [stderr]   Downloaded typed-builder v0.15.2
[INFO] [stderr]   Downloaded lazy-regex-proc_macros v3.1.0
[INFO] [stderr]   Downloaded syn v2.0.51
[INFO] [stderr]   Downloaded peg-macros v0.6.3
[INFO] [stderr]   Downloaded unarray v0.1.4
[INFO] [stderr]   Downloaded clap_builder v4.5.1
[INFO] [stderr]   Downloaded unicode-linebreak v0.1.5
[INFO] [stderr]   Downloaded windows_x86_64_gnullvm v0.52.3
[INFO] [stderr]   Downloaded nom_locate v4.2.0
[INFO] [stderr]   Downloaded windows_x86_64_msvc v0.52.3
[INFO] [stderr]   Downloaded windows_i686_gnu v0.52.3
[INFO] [stderr]   Downloaded windows_x86_64_gnu v0.52.3
[INFO] [stderr]   Downloaded windows_aarch64_msvc v0.52.3
[INFO] [stderr]   Downloaded clap_derive v4.5.0
[INFO] [stderr]   Downloaded crossbeam-epoch v0.9.18
[INFO] [stderr]   Downloaded sealed v0.5.0
[INFO] [stderr]   Downloaded gherkin v0.14.0
[INFO] [stderr]   Downloaded cucumber v0.20.2
[INFO] [stderr]   Downloaded synthez v0.3.1
[INFO] [stderr]   Downloaded synthez-core v0.3.1
[INFO] [stderr]   Downloaded cucumber-codegen v0.20.2
[INFO] [stderr]   Downloaded synthez-codegen v0.3.1
[INFO] [stderr]   Downloaded windows_aarch64_gnullvm v0.52.3
[INFO] [stderr]   Downloaded cucumber-expressions v0.3.0
[INFO] [stderr]   Downloaded regex-syntax v0.7.5
[INFO] [stderr]   Downloaded windows_i686_msvc v0.52.3
[INFO] [stderr]   Downloaded bstr v1.9.1
[INFO] [stderr]   Downloaded clap v4.5.1
[INFO] [stderr]   Downloaded clap_lex v0.7.0
[INFO] [stderr]   Downloaded cc v1.0.88
[INFO] [stderr]   Downloaded console v0.15.8
[INFO] [stderr]   Downloaded textwrap v0.16.1
[INFO] [stderr]   Downloaded peg v0.6.3
[INFO] [stderr]   Downloaded indexmap v2.2.3
[INFO] [stderr]   Downloaded strsim v0.11.0
[INFO] [stderr]   Downloaded ignore v0.4.22
[INFO] [stderr]   Downloaded typed-builder-macro v0.15.2
[INFO] [stderr]   Downloaded smart-default v0.7.1
[INFO] [stderr]   Downloaded anstream v0.6.13
[INFO] [stderr]   Downloaded crossbeam-deque v0.8.5
[INFO] [stderr]   Downloaded proptest v1.4.0
[INFO] [stderr]   Downloaded lazy-regex v3.1.0
[INFO] [stderr]   Downloaded windows-targets v0.52.3
[INFO] [stderr]   Downloaded globset v0.4.14
[INFO] [stderr]   Downloaded smawk v0.3.2
[INFO] [stderr]   Downloaded peg-runtime v0.6.3
[INFO] [stderr]   Downloaded inventory v0.3.15
[INFO] [stderr]   Downloaded serde_yaml v0.9.32
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+158f00a1c5175648af6f6099b075f78d1d014a28" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 73d58ef76347638fbd2d85b23fc10c907e9329165e00246bd62cf8f459165601
[INFO] running `Command { std: "docker" "start" "-a" "73d58ef76347638fbd2d85b23fc10c907e9329165e00246bd62cf8f459165601", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "73d58ef76347638fbd2d85b23fc10c907e9329165e00246bd62cf8f459165601", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "73d58ef76347638fbd2d85b23fc10c907e9329165e00246bd62cf8f459165601", kill_on_drop: false }`
[INFO] [stdout] 73d58ef76347638fbd2d85b23fc10c907e9329165e00246bd62cf8f459165601
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+158f00a1c5175648af6f6099b075f78d1d014a28" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 37d7cf64b2e1e71acab933243d82a48c0a61fb52ccfb392ded16c804bb24b5ff
[INFO] running `Command { std: "docker" "start" "-a" "37d7cf64b2e1e71acab933243d82a48c0a61fb52ccfb392ded16c804bb24b5ff", kill_on_drop: false }`
[INFO] [stderr] warning: virtual workspace defaulting to `resolver = "1"` despite one or more workspace members being on edition 2021 which implies `resolver = "2"`
[INFO] [stderr] note: to keep the current resolver, specify `workspace.resolver = "1"` in the workspace root's manifest
[INFO] [stderr] note: to use the edition 2021 resolver, specify `workspace.resolver = "2"` in the workspace root's manifest
[INFO] [stderr] note: for more details see https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions
[INFO] [stderr]    Compiling libc v0.2.153
[INFO] [stderr]    Compiling serde v1.0.197
[INFO] [stderr]     Checking memchr v2.7.1
[INFO] [stderr]    Compiling rustix v0.38.31
[INFO] [stderr]    Compiling num-traits v0.2.18
[INFO] [stderr]    Compiling regex-syntax v0.8.2
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking futures-core v0.3.30
[INFO] [stderr]     Checking futures-sink v0.3.30
[INFO] [stderr]    Compiling syn v2.0.51
[INFO] [stderr]    Compiling ryu v1.0.17
[INFO] [stderr]    Compiling minimal-lexical v0.2.1
[INFO] [stderr]    Compiling itoa v1.0.10
[INFO] [stderr]     Checking crossbeam-epoch v0.9.18
[INFO] [stderr]     Checking tracing-core v0.1.32
[INFO] [stderr]    Compiling bytecount v0.6.7
[INFO] [stderr]     Checking futures-channel v0.3.30
[INFO] [stderr]     Checking anstyle v1.0.6
[INFO] [stderr]    Compiling either v1.10.0
[INFO] [stderr]     Checking futures-io v0.3.30
[INFO] [stderr]    Compiling thiserror v1.0.57
[INFO] [stderr]    Compiling peg-runtime v0.6.3
[INFO] [stderr]     Checking crossbeam-deque v0.8.5
[INFO] [stderr]    Compiling regex-syntax v0.7.5
[INFO] [stderr]     Checking anstream v0.6.13
[INFO] [stderr]     Checking strsim v0.11.0
[INFO] [stderr]    Compiling anyhow v1.0.80
[INFO] [stderr]     Checking unicode-linebreak v0.1.5
[INFO] [stderr]     Checking clap_lex v0.7.0
[INFO] [stderr]     Checking smawk v0.3.2
[INFO] [stderr]     Checking aho-corasick v1.1.2
[INFO] [stderr]    Compiling nom v7.1.3
[INFO] [stderr]     Checking bstr v1.9.1
[INFO] [stderr]    Compiling peg-macros v0.6.3
[INFO] [stderr]     Checking unicode-ident v1.0.12
[INFO] [stderr]     Checking proc-macro2 v1.0.78
[INFO] [stderr]     Checking textwrap v0.16.1
[INFO] [stderr]    Compiling im v15.1.0
[INFO] [stderr]     Checking tracing-log v0.2.0
[INFO] [stderr]    Compiling itertools v0.12.1
[INFO] [stderr]     Checking bitmaps v2.1.0
[INFO] [stderr]    Compiling inflections v1.1.1
[INFO] [stderr]     Checking quick-error v1.2.3
[INFO] [stderr]     Checking bit-vec v0.6.3
[INFO] [stderr]     Checking regex-automata v0.4.5
[INFO] [stderr]     Checking indexmap v2.2.3
[INFO] [stderr]     Checking bit-set v0.5.3
[INFO] [stderr]     Checking tracing-subscriber v0.3.18
[INFO] [stderr]     Checking sized-chunks v0.6.5
[INFO] [stderr]     Checking getrandom v0.2.12
[INFO] [stderr]     Checking wait-timeout v0.2.0
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking console v0.15.8
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand_xoshiro v0.6.0
[INFO] [stderr] error: could not compile `regex-syntax` (lib)
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/rustup-home/toolchains/158f00a1c5175648af6f6099b075f78d1d014a28/bin/rustc --crate-name regex_syntax --edition=2021 /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/regex-syntax-0.7.5/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type lib --emit=dep-info,metadata,link -C embed-bitcode=no --cfg 'feature="default"' --cfg 'feature="std"' --cfg 'feature="unicode"' --cfg 'feature="unicode-age"' --cfg 'feature="unicode-bool"' --cfg 'feature="unicode-case"' --cfg 'feature="unicode-gencat"' --cfg 'feature="unicode-perl"' --cfg 'feature="unicode-script"' --cfg 'feature="unicode-segment"' -C metadata=267548298e7e43f9 -C extra-filename=-267548298e7e43f9 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --cap-lints allow --cap-lints=forbid` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `regex-syntax` (lib)
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/rustup-home/toolchains/158f00a1c5175648af6f6099b075f78d1d014a28/bin/rustc --crate-name regex_syntax --edition=2021 /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/regex-syntax-0.8.2/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type lib --emit=dep-info,metadata,link -C embed-bitcode=no --cfg 'feature="default"' --cfg 'feature="std"' --cfg 'feature="unicode"' --cfg 'feature="unicode-age"' --cfg 'feature="unicode-bool"' --cfg 'feature="unicode-case"' --cfg 'feature="unicode-gencat"' --cfg 'feature="unicode-perl"' --cfg 'feature="unicode-script"' --cfg 'feature="unicode-segment"' -C metadata=57093dc406f0ea76 -C extra-filename=-57093dc406f0ea76 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --cap-lints allow --cap-lints=forbid` (signal: 9, SIGKILL: kill)
[INFO] running `Command { std: "docker" "inspect" "37d7cf64b2e1e71acab933243d82a48c0a61fb52ccfb392ded16c804bb24b5ff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "37d7cf64b2e1e71acab933243d82a48c0a61fb52ccfb392ded16c804bb24b5ff", kill_on_drop: false }`
[INFO] [stdout] 37d7cf64b2e1e71acab933243d82a48c0a61fb52ccfb392ded16c804bb24b5ff
[INFO] checking tema3210/instrumentio_work against try#b4fc5dbf0bc33be331f9d893db5b3a794f29724a+rustflags=-Dexplicit_range -Dtrait_impl_range -Wrange_syntax -Wrange_bounds for pr-121251
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftema3210%2Finstrumentio_work" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/tema3210/instrumentio_work on toolchain b4fc5dbf0bc33be331f9d893db5b3a794f29724a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b4fc5dbf0bc33be331f9d893db5b3a794f29724a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/tema3210/instrumentio_work
[INFO] finished tweaking git repo https://github.com/tema3210/instrumentio_work
[INFO] tweaked toml for git repo https://github.com/tema3210/instrumentio_work written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/tema3210/instrumentio_work already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b4fc5dbf0bc33be331f9d893db5b3a794f29724a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: virtual workspace defaulting to `resolver = "1"` despite one or more workspace members being on edition 2021 which implies `resolver = "2"`
[INFO] [stderr] note: to keep the current resolver, specify `workspace.resolver = "1"` in the workspace root's manifest
[INFO] [stderr] note: to use the edition 2021 resolver, specify `workspace.resolver = "2"` in the workspace root's manifest
[INFO] [stderr] note: for more details see https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+b4fc5dbf0bc33be331f9d893db5b3a794f29724a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fb6fe306dcae3c5e9e90b7bd2e0cedc6ee7d2f3c68ad4a9d92257118f0acde40
[INFO] running `Command { std: "docker" "start" "-a" "fb6fe306dcae3c5e9e90b7bd2e0cedc6ee7d2f3c68ad4a9d92257118f0acde40", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fb6fe306dcae3c5e9e90b7bd2e0cedc6ee7d2f3c68ad4a9d92257118f0acde40", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fb6fe306dcae3c5e9e90b7bd2e0cedc6ee7d2f3c68ad4a9d92257118f0acde40", kill_on_drop: false }`
[INFO] [stdout] fb6fe306dcae3c5e9e90b7bd2e0cedc6ee7d2f3c68ad4a9d92257118f0acde40
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid -Dexplicit_range -Dtrait_impl_range -Wrange_syntax -Wrange_bounds" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+b4fc5dbf0bc33be331f9d893db5b3a794f29724a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5bf82cfd0eb29eae4ce52951bc67bb1260eb9e73fb2fe50bc6ef2d466d7acfe5
[INFO] running `Command { std: "docker" "start" "-a" "5bf82cfd0eb29eae4ce52951bc67bb1260eb9e73fb2fe50bc6ef2d466d7acfe5", kill_on_drop: false }`
[INFO] [stderr] warning: virtual workspace defaulting to `resolver = "1"` despite one or more workspace members being on edition 2021 which implies `resolver = "2"`
[INFO] [stderr] note: to keep the current resolver, specify `workspace.resolver = "1"` in the workspace root's manifest
[INFO] [stderr] note: to use the edition 2021 resolver, specify `workspace.resolver = "2"` in the workspace root's manifest
[INFO] [stderr] note: for more details see https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions
[INFO] [stderr]    Compiling libc v0.2.153
[INFO] [stderr]    Compiling serde v1.0.197
[INFO] [stderr]     Checking memchr v2.7.1
[INFO] [stderr]    Compiling rustix v0.38.31
[INFO] [stderr]    Compiling num-traits v0.2.18
[INFO] [stderr]    Compiling regex-syntax v0.8.2
[INFO] [stderr]    Compiling minimal-lexical v0.2.1
[INFO] [stderr]     Checking futures-sink v0.3.30
[INFO] [stderr]     Checking futures-core v0.3.30
[INFO] [stderr]    Compiling syn v2.0.51
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling ryu v1.0.17
[INFO] [stderr]    Compiling itoa v1.0.10
[INFO] [stderr]     Checking crossbeam-epoch v0.9.18
[INFO] [stderr]     Checking tracing-core v0.1.32
[INFO] [stderr]    Compiling thiserror v1.0.57
[INFO] [stderr]     Checking futures-channel v0.3.30
[INFO] [stderr]    Compiling peg-runtime v0.6.3
[INFO] [stderr]     Checking anstyle v1.0.6
[INFO] [stderr]    Compiling either v1.10.0
[INFO] [stderr]     Checking futures-io v0.3.30
[INFO] [stderr]    Compiling bytecount v0.6.7
[INFO] [stderr]     Checking crossbeam-deque v0.8.5
[INFO] [stderr]    Compiling anyhow v1.0.80
[INFO] [stderr]     Checking clap_lex v0.7.0
[INFO] [stderr]     Checking strsim v0.11.0
[INFO] [stderr]     Checking anstream v0.6.13
[INFO] [stderr]    Compiling regex-syntax v0.7.5
[INFO] [stderr]    Compiling peg-macros v0.6.3
[INFO] [stderr]     Checking aho-corasick v1.1.2
[INFO] [stderr]     Checking bstr v1.9.1
[INFO] [stderr]     Checking nom v7.1.3
[INFO] [stderr]     Checking unicode-linebreak v0.1.5
[INFO] [stderr]     Checking smawk v0.3.2
[INFO] [stderr]     Checking unicode-ident v1.0.12
[INFO] [stderr]     Checking proc-macro2 v1.0.78
[INFO] [stderr]     Checking textwrap v0.16.1
[INFO] [stderr]    Compiling itertools v0.12.1
[INFO] [stderr]    Compiling im v15.1.0
[INFO] [stderr]     Checking bitmaps v2.1.0
[INFO] [stderr]     Checking tracing-log v0.2.0
[INFO] [stderr]     Checking bit-vec v0.6.3
[INFO] [stderr]     Checking regex-automata v0.4.5
[INFO] [stderr]     Checking quick-error v1.2.3
[INFO] [stderr]    Compiling inflections v1.1.1
[INFO] [stderr]     Checking indexmap v2.2.3
[INFO] [stderr]     Checking sized-chunks v0.6.5
[INFO] [stderr]     Checking tracing-subscriber v0.3.18
[INFO] [stderr]     Checking getrandom v0.2.12
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking nom_locate v4.2.0
[INFO] [stderr]     Checking wait-timeout v0.2.0
[INFO] [stderr]     Checking console v0.15.8
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand_xorshift v0.3.0
[INFO] [stderr]     Checking peg v0.6.3
[INFO] [stderr]     Checking rand_xoshiro v0.6.0
[INFO] [stderr]     Checking bit-set v0.5.3
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking quote v1.0.35
[INFO] [stderr]     Checking terminal_size v0.3.0
[INFO] [stderr]     Checking tempfile v3.10.1
[INFO] [stderr]     Checking clap_builder v4.5.1
[INFO] [stderr]     Checking drain_filter_polyfill v0.1.3
[INFO] [stderr]     Checking unarray v0.1.4
[INFO] [stderr]     Checking inventory v0.3.15
[INFO] [stderr]     Checking rusty-fork v0.3.0
[INFO] [stderr]     Checking linked-hash-map v0.5.6
[INFO] [stderr]     Checking crossbeam-channel v0.5.11
[INFO] [stderr]     Checking step_2 v0.1.0 (/opt/rustwide/workdir/2_idioms)
[INFO] [stderr]     Checking step_2_6 v0.1.0 (/opt/rustwide/workdir/2_idioms/2_6_sealing)
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]   --> 2_idioms/src/main.rs:32:26
[INFO] [stdout]    |
[INFO] [stdout] 32 |             let target = (sum - curr_sum); // what we want on this iteration
[INFO] [stdout]    |                          ^              ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 32 -             let target = (sum - curr_sum); // what we want on this iteration
[INFO] [stdout] 32 +             let target = sum - curr_sum; // what we want on this iteration
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: usage of `Range` range syntax
[INFO] [stdout]   --> 2_idioms/src/main.rs:34:28
[INFO] [stdout]    |
[INFO] [stdout] 34 |             for attempt in 0..*ammount {
[INFO] [stdout]    |                            ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: requested on the command line with `-W range-syntax`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: usage of `Range` range syntax
[INFO] [stdout]   --> 2_idioms/src/main.rs:84:22
[INFO] [stdout]    |
[INFO] [stdout] 84 |             for i in 0..6 {
[INFO] [stdout]    |                      ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: usage of `Range` range syntax
[INFO] [stdout]   --> 2_idioms/src/main.rs:95:22
[INFO] [stdout]    |
[INFO] [stdout] 95 |             for i in 0..6 {
[INFO] [stdout]    |                      ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `Product` is more private than the item `Stock`
[INFO] [stdout]    --> 2_idioms/src/main.rs:113:1
[INFO] [stdout]     |
[INFO] [stdout] 113 | pub type Stock = HashMap<Product, (u8, u8)>;
[INFO] [stdout]     | ^^^^^^^^^^^^^^ type alias `Stock` is reachable at visibility `pub`
[INFO] [stdout]     |
[INFO] [stdout] note: but type `Product` is only usable at visibility `pub(crate)`
[INFO] [stdout]    --> 2_idioms/src/main.rs:4:1
[INFO] [stdout]     |
[INFO] [stdout] 4   | struct Product {
[INFO] [stdout]     | ^^^^^^^^^^^^^^
[INFO] [stdout]     = note: `#[warn(private_interfaces)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `COINS` is never used
[INFO] [stdout]  --> 2_idioms/src/main.rs:9:7
[INFO] [stdout]   |
[INFO] [stdout] 9 | const COINS: &[u32] = &[50, 20, 10, 5, 2, 1];
[INFO] [stdout]   |       ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `InCoins` is never constructed
[INFO] [stdout]   --> 2_idioms/src/main.rs:12:8
[INFO] [stdout]    |
[INFO] [stdout] 12 | struct InCoins([u32; 6]);
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `InCoins` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `money`, `coins_for_sum`, `trade`, and `total` are never used
[INFO] [stdout]    --> 2_idioms/src/main.rs:16:8
[INFO] [stdout]     |
[INFO] [stdout] 14  | impl InCoins {
[INFO] [stdout]     | ------------ associated items in this implementation
[INFO] [stdout] 15  |     /// this greedy algorithm works only with normalized monetary systems (that's why there are no others)
[INFO] [stdout] 16  |     fn money(mut sum: u32) -> Self {
[INFO] [stdout]     |        ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 27  |     fn coins_for_sum(&self, sum: u32) -> Option<InCoins> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 74  |     fn trade(&self, other: &Self, price: u32) -> Option<[InCoins; 2]> {
[INFO] [stdout]     |        ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 104 |     fn total(&self) -> u32 {
[INFO] [stdout]     |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `VendingMachine` is never constructed
[INFO] [stdout]    --> 2_idioms/src/main.rs:115:8
[INFO] [stdout]     |
[INFO] [stdout] 115 | struct VendingMachine {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `Purchase` is never used
[INFO] [stdout]    --> 2_idioms/src/main.rs:120:6
[INFO] [stdout]     |
[INFO] [stdout] 120 | type Purchase = ([Product; 1], InCoins);
[INFO] [stdout]     |      ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `purchase`, `is_empty`, `is_full`, and `stock` are never used
[INFO] [stdout]    --> 2_idioms/src/main.rs:123:8
[INFO] [stdout]     |
[INFO] [stdout] 122 | impl VendingMachine {
[INFO] [stdout]     | ------------------- methods in this implementation
[INFO] [stdout] 123 |     fn purchase(&mut self, what: Product, money: InCoins) -> Option<Purchase> {
[INFO] [stdout]     |        ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 136 |     fn is_empty(&self) -> bool {
[INFO] [stdout]     |        ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 140 |     fn is_full(&self) -> bool {
[INFO] [stdout]     |        ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 144 |     fn stock(&mut self, new: Stock) {
[INFO] [stdout]     |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `SafeVendingMachine` is never constructed
[INFO] [stdout]    --> 2_idioms/src/main.rs:180:8
[INFO] [stdout]     |
[INFO] [stdout] 180 | struct SafeVendingMachine<S: states::Seal>(VendingMachine, PhantomData<S>);
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Stocked` is never used
[INFO] [stdout]    --> 2_idioms/src/main.rs:183:6
[INFO] [stdout]     |
[INFO] [stdout] 183 | enum Stocked {
[INFO] [stdout]     |      ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `stock` is never used
[INFO] [stdout]    --> 2_idioms/src/main.rs:189:8
[INFO] [stdout]     |
[INFO] [stdout] 188 | impl SafeVendingMachine<states::Empty> {
[INFO] [stdout]     | -------------------------------------- method in this implementation
[INFO] [stdout] 189 |     fn stock(mut self, goods: Stock) -> Stocked {
[INFO] [stdout]     |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Purchased` is never used
[INFO] [stdout]    --> 2_idioms/src/main.rs:202:6
[INFO] [stdout]     |
[INFO] [stdout] 202 | enum Purchased {
[INFO] [stdout]     |      ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `stock` and `purchase` are never used
[INFO] [stdout]    --> 2_idioms/src/main.rs:208:8
[INFO] [stdout]     |
[INFO] [stdout] 207 | impl SafeVendingMachine<states::CanAccept> {
[INFO] [stdout]     | ------------------------------------------ methods in this implementation
[INFO] [stdout] 208 |     fn stock(mut self, goods: Stock) -> Stocked {
[INFO] [stdout]     |        ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 219 |     fn purchase(mut self, what: Product, money: InCoins) -> (Option<Purchase>, Purchased) {
[INFO] [stdout]     |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `purchase` is never used
[INFO] [stdout]    --> 2_idioms/src/main.rs:236:8
[INFO] [stdout]     |
[INFO] [stdout] 235 | impl SafeVendingMachine<states::Full> {
[INFO] [stdout]     | ------------------------------------- method in this implementation
[INFO] [stdout] 236 |     fn purchase(mut self, what: Product, money: InCoins) -> (Option<Purchase>, Purchased) {
[INFO] [stdout]     |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Seal` is never used
[INFO] [stdout]    --> 2_idioms/src/main.rs:163:15
[INFO] [stdout]     |
[INFO] [stdout] 163 |     pub trait Seal {}
[INFO] [stdout]     |               ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Empty` is never constructed
[INFO] [stdout]    --> 2_idioms/src/main.rs:166:16
[INFO] [stdout]     |
[INFO] [stdout] 166 |     pub struct Empty;
[INFO] [stdout]     |                ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Full` is never constructed
[INFO] [stdout]    --> 2_idioms/src/main.rs:170:16
[INFO] [stdout]     |
[INFO] [stdout] 170 |     pub struct Full;
[INFO] [stdout]     |                ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `CanAccept` is never constructed
[INFO] [stdout]    --> 2_idioms/src/main.rs:175:16
[INFO] [stdout]     |
[INFO] [stdout] 175 |     pub struct CanAccept; //could have slapped there a Product as a const param but to use this we'd need dependent typing
[INFO] [stdout]     |                ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 21 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `run_me` is never used
[INFO] [stdout]   --> 2_idioms/2_6_sealing/src/lib.rs:15:4
[INFO] [stdout]    |
[INFO] [stdout] 15 | fn run_me() {}
[INFO] [stdout]    |    ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking step_2_5 v0.1.0 (/opt/rustwide/workdir/2_idioms/2_5_exhaustivity)
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking proptest v1.4.0
[INFO] [stderr]     Checking step_1_9 v0.1.0 (/opt/rustwide/workdir/1_concepts/1_9_phantom)
[INFO] [stdout] warning: usage of `Range` range syntax
[INFO] [stdout]   --> 1_concepts/1_9_phantom/src/main.rs:22:69
[INFO] [stdout]    |
[INFO] [stdout] 22 |         FACTS_FOR_VEC[rand::Rng::gen_range(&mut rand::thread_rng(), 0..FACTS_FOR_VEC.len())]
[INFO] [stdout]    |                                                                     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: requested on the command line with `-W range-syntax`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `user_id`
[INFO] [stdout]   --> 2_idioms/2_5_exhaustivity/src/lib.rs:60:48
[INFO] [stdout]    |
[INFO] [stdout] 60 |             let event::UserNameUpdated { name, user_id, at } = ev;
[INFO] [stdout]    |                                                ^^^^^^^ help: try ignoring the field: `user_id: _`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `at`
[INFO] [stdout]   --> 2_idioms/2_5_exhaustivity/src/lib.rs:60:57
[INFO] [stdout]    |
[INFO] [stdout] 60 |             let event::UserNameUpdated { name, user_id, at } = ev;
[INFO] [stdout]    |                                                         ^^ help: try ignoring the field: `at: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `user_id`
[INFO] [stdout]   --> 2_idioms/2_5_exhaustivity/src/lib.rs:67:43
[INFO] [stdout]    |
[INFO] [stdout] 67 |             let event::UserBecameOnline { user_id, at } = ev;
[INFO] [stdout]    |                                           ^^^^^^^ help: try ignoring the field: `user_id: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `user_id`
[INFO] [stdout]   --> 2_idioms/2_5_exhaustivity/src/lib.rs:74:44
[INFO] [stdout]    |
[INFO] [stdout] 74 |             let event::UserBecameOffline { user_id, at } = ev;
[INFO] [stdout]    |                                            ^^^^^^^ help: try ignoring the field: `user_id: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `user_id`
[INFO] [stdout]   --> 2_idioms/2_5_exhaustivity/src/lib.rs:82:38
[INFO] [stdout]    |
[INFO] [stdout] 82 |             let event::UserDeleted { user_id, at } = ev;
[INFO] [stdout]    |                                      ^^^^^^^ help: try ignoring the field: `user_id: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: usage of `Range` range syntax
[INFO] [stdout]   --> 1_concepts/1_9_phantom/src/main.rs:22:69
[INFO] [stdout]    |
[INFO] [stdout] 22 |         FACTS_FOR_VEC[rand::Rng::gen_range(&mut rand::thread_rng(), 0..FACTS_FOR_VEC.len())]
[INFO] [stdout]    |                                                                     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: requested on the command line with `-W range-syntax`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking step_1_3 v0.1.0 (/opt/rustwide/workdir/1_concepts/1_3_rc_cell)
[INFO] [stderr]     Checking step_1_4 v0.1.0 (/opt/rustwide/workdir/1_concepts/1_4_cow)
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking step_2_2 v0.1.0 (/opt/rustwide/workdir/2_idioms/2_2_mem_replace)
[INFO] [stdout] warning: methods `push`, `try_push`, and `pop` are never used
[INFO] [stdout]   --> 1_concepts/1_3_rc_cell/src/main.rs:19:12
[INFO] [stdout]    |
[INFO] [stdout] 18 | impl<T> GlobalStack<T> {
[INFO] [stdout]    | ---------------------- methods in this implementation
[INFO] [stdout] 19 |     pub fn push(&self, t: T) {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 26 |     pub fn try_push(&self, t: T) -> Result<(), &'static str> {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 34 |     pub fn pop(&self) -> Option<T> {
[INFO] [stdout]    |            ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking step_3_8 v0.1.0 (/opt/rustwide/workdir/3_ecosystem/3_8_log)
[INFO] [stderr]     Checking step_1_2 v0.1.0 (/opt/rustwide/workdir/1_concepts/1_2_box_pin)
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking step_1 v0.1.0 (/opt/rustwide/workdir/1_concepts)
[INFO] [stdout] warning: usage of `Range` range syntax
[INFO] [stdout]   --> 2_idioms/2_2_mem_replace/src/main.rs:40:22
[INFO] [stdout]    |
[INFO] [stdout] 40 |             for _ in 0..3 {
[INFO] [stdout]    |                      ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: requested on the command line with `-W range-syntax`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: usage of `RangeFrom` range syntax
[INFO] [stdout]    --> 1_concepts/1_2_box_pin/src/main.rs:114:24
[INFO] [stdout]     |
[INFO] [stdout] 114 |         self.set(&self[1..]) //cut the leftmost slice element
[INFO] [stdout]     |                        ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: requested on the command line with `-W range-syntax`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking step_3_10 v0.1.0 (/opt/rustwide/workdir/3_ecosystem/3_10_threads)
[INFO] [stdout] warning: trait `MutMeSomehow` is never used
[INFO] [stdout]   --> 1_concepts/1_2_box_pin/src/main.rs:62:7
[INFO] [stdout]    |
[INFO] [stdout] 62 | trait MutMeSomehow {
[INFO] [stdout]    |       ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `get_a_menaingful_T` is never used
[INFO] [stdout]   --> 1_concepts/1_2_box_pin/src/main.rs:74:4
[INFO] [stdout]    |
[INFO] [stdout] 74 | fn get_a_menaingful_T<T>() -> T {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `get_a_menaingful_T` should have a snake case name
[INFO] [stdout]   --> 1_concepts/1_2_box_pin/src/main.rs:74:4
[INFO] [stdout]    |
[INFO] [stdout] 74 | fn get_a_menaingful_T<T>() -> T {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `get_a_menaingful_t`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Display`, `mem`, `ptr`
[INFO] [stdout]  --> 1_concepts/src/main.rs:3:17
[INFO] [stdout]   |
[INFO] [stdout] 3 |     fmt::{self, Display},
[INFO] [stdout]   |                 ^^^^^^^
[INFO] [stdout] 4 |     mem, ptr,
[INFO] [stdout]   |     ^^^  ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking step_4_2 v0.1.0 (/opt/rustwide/workdir/4_backend/4_2_http)
[INFO] [stdout] warning: usage of `Range` range syntax
[INFO] [stdout]   --> 2_idioms/2_2_mem_replace/src/main.rs:40:22
[INFO] [stdout]    |
[INFO] [stdout] 40 |             for _ in 0..3 {
[INFO] [stdout]    |                      ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: requested on the command line with `-W range-syntax`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: usage of `Range` range syntax
[INFO] [stdout]   --> 3_ecosystem/3_10_threads/src/main.rs:18:14
[INFO] [stdout]    |
[INFO] [stdout] 18 |     for _ in 0..limit {
[INFO] [stdout]    |              ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: requested on the command line with `-W range-syntax`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking step_3 v0.1.0 (/opt/rustwide/workdir/3_ecosystem)
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: usage of `Range` range syntax
[INFO] [stdout]   --> 3_ecosystem/3_10_threads/src/main.rs:18:14
[INFO] [stdout]    |
[INFO] [stdout] 18 |     for _ in 0..limit {
[INFO] [stdout]    |              ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: requested on the command line with `-W range-syntax`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking step_4_1 v0.1.0 (/opt/rustwide/workdir/4_backend/4_1_db)
[INFO] [stderr]     Checking step_3_1 v0.1.0 (/opt/rustwide/workdir/3_ecosystem/3_1_testing)
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking step_1_7 v0.1.0 (/opt/rustwide/workdir/1_concepts/1_7_sized)
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking step_2_3 v0.1.0 (/opt/rustwide/workdir/2_idioms/2_3_bound_impl)
[INFO] [stderr]     Checking step_1_1 v0.1.0 (/opt/rustwide/workdir/1_concepts/1_1_default_clone_copy)
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]    --> 1_concepts/1_7_sized/src/main.rs:111:5
[INFO] [stdout]     |
[INFO] [stdout] 111 |     /// here dynamic cast happens
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 112 |     let ctx = UserRepositoryDynamic::from_store(Box::new(store));
[INFO] [stdout]     |     ------------------------------------------------------------- rustdoc does not generate documentation for statements
[INFO] [stdout]     |
[INFO] [stdout]     = help: use `//` for a plain comment
[INFO] [stdout]     = note: `#[warn(unused_doc_comments)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking step_3_7 v0.1.0 (/opt/rustwide/workdir/3_ecosystem/3_7_rand_crypto)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> 1_concepts/1_7_sized/src/main.rs:45:19
[INFO] [stdout]    |
[INFO] [stdout] 45 |             .map(|mut s| s.get(&key).cloned())
[INFO] [stdout]    |                   ----^
[INFO] [stdout]    |                   |
[INFO] [stdout]    |                   help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `get` and `remove` are never used
[INFO] [stdout]  --> 1_concepts/1_7_sized/src/main.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | trait Storage<K, V> {
[INFO] [stdout]   |       ------- methods in this trait
[INFO] [stdout] 4 |     fn set(&mut self, key: K, val: V);
[INFO] [stdout] 5 |     fn get(&self, key: &K) -> Option<&V>;
[INFO] [stdout]   |        ^^^
[INFO] [stdout] 6 |     fn remove(&mut self, key: &K) -> Option<V>;
[INFO] [stdout]   |        ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `email` and `activated` are never read
[INFO] [stdout]   --> 1_concepts/1_7_sized/src/main.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | struct User {
[INFO] [stdout]    |        ---- fields in this struct
[INFO] [stdout] 11 |     id: u64,
[INFO] [stdout] 12 |     email: Cow<'static, str>,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 13 |     activated: bool,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `User` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `get` and `remove` are never used
[INFO] [stdout]   --> 1_concepts/1_7_sized/src/main.rs:32:8
[INFO] [stdout]    |
[INFO] [stdout] 29 | trait UserRepository {
[INFO] [stdout]    |       -------------- methods in this trait
[INFO] [stdout] ...
[INFO] [stdout] 32 |     fn get(&self, key: u64) -> Option<User>;
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 33 |
[INFO] [stdout] 34 |     fn remove(&self, key: u64) -> Option<User>;
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> 1_concepts/1_7_sized/src/main.rs:39:9
[INFO] [stdout]    |
[INFO] [stdout] 39 |         self.store.lock().map(|mut s| s.set(key, val));
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 39 |         let _ = self.store.lock().map(|mut s| s.set(key, val));
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `generic_const_exprs` is incomplete and may not be safe to use and/or cause compiler crashes
[INFO] [stdout]  --> 1_concepts/1_1_default_clone_copy/src/main.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(generic_const_exprs)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: see issue #76560 <https://github.com/rust-lang/rust/issues/76560> for more information
[INFO] [stdout]   = note: `#[warn(incomplete_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: usage of `RangeFrom` range syntax
[INFO] [stdout]    --> 1_concepts/1_2_box_pin/src/main.rs:114:24
[INFO] [stdout]     |
[INFO] [stdout] 114 |         self.set(&self[1..]) //cut the leftmost slice element
[INFO] [stdout]     |                        ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: requested on the command line with `-W range-syntax`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking step_3_11 v0.1.0 (/opt/rustwide/workdir/3_ecosystem/3_11_async)
[INFO] [stdout] warning: unused variable: `line`
[INFO] [stdout]   --> 1_concepts/1_1_default_clone_copy/src/main.rs:59:9
[INFO] [stdout]    |
[INFO] [stdout] 59 |     let line = Polyline::from([a, b]);
[INFO] [stdout]    |         ^^^^ help: if this is intentional, prefix it with an underscore: `_line`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `line2`
[INFO] [stdout]   --> 1_concepts/1_1_default_clone_copy/src/main.rs:61:9
[INFO] [stdout]    |
[INFO] [stdout] 61 |     let line2 = Polyline::try_from(vec![a, b]).unwrap();
[INFO] [stdout]    |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_line2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `line3`
[INFO] [stdout]   --> 1_concepts/1_1_default_clone_copy/src/main.rs:63:9
[INFO] [stdout]    |
[INFO] [stdout] 63 |     let line3 = Polyline::new(a, b, &[]);
[INFO] [stdout]    |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_line3`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `x` and `y` are never read
[INFO] [stdout]  --> 1_concepts/1_1_default_clone_copy/src/main.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | struct Point {
[INFO] [stdout]   |        ----- fields in this struct
[INFO] [stdout] 5 |     x: f32,
[INFO] [stdout]   |     ^
[INFO] [stdout] 6 |     y: f32,
[INFO] [stdout]   |     ^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Point` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> 1_concepts/1_1_default_clone_copy/src/main.rs:16:17
[INFO] [stdout]    |
[INFO] [stdout] 16 | struct Polyline(Vec<Point>);
[INFO] [stdout]    |        -------- ^^^^^^^^^^
[INFO] [stdout]    |        |
[INFO] [stdout]    |        field in this struct
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Polyline` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 16 | struct Polyline(());
[INFO] [stdout]    |                 ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `MutMeSomehow` is never used
[INFO] [stdout]   --> 1_concepts/1_2_box_pin/src/main.rs:62:7
[INFO] [stdout]    |
[INFO] [stdout] 62 | trait MutMeSomehow {
[INFO] [stdout]    |       ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `get_a_menaingful_T` is never used
[INFO] [stdout]   --> 1_concepts/1_2_box_pin/src/main.rs:74:4
[INFO] [stdout]    |
[INFO] [stdout] 74 | fn get_a_menaingful_T<T>() -> T {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `get_a_menaingful_T` should have a snake case name
[INFO] [stdout]   --> 1_concepts/1_2_box_pin/src/main.rs:74:4
[INFO] [stdout]    |
[INFO] [stdout] 74 | fn get_a_menaingful_T<T>() -> T {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `get_a_menaingful_t`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking step_2_4 v0.1.0 (/opt/rustwide/workdir/2_idioms/2_4_generic_in_type_out)
[INFO] [stdout] warning: the feature `generic_const_exprs` is incomplete and may not be safe to use and/or cause compiler crashes
[INFO] [stdout]  --> 1_concepts/1_1_default_clone_copy/src/main.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(generic_const_exprs)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: see issue #76560 <https://github.com/rust-lang/rust/issues/76560> for more information
[INFO] [stdout]   = note: `#[warn(incomplete_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking step_1_8 v0.1.0 (/opt/rustwide/workdir/1_concepts/1_8_thread_safety)
[INFO] [stdout] warning: unused variable: `user_id`
[INFO] [stdout]   --> 2_idioms/2_5_exhaustivity/src/lib.rs:60:48
[INFO] [stdout]    |
[INFO] [stdout] 60 |             let event::UserNameUpdated { name, user_id, at } = ev;
[INFO] [stdout]    |                                                ^^^^^^^ help: try ignoring the field: `user_id: _`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `at`
[INFO] [stdout]   --> 2_idioms/2_5_exhaustivity/src/lib.rs:60:57
[INFO] [stdout]    |
[INFO] [stdout] 60 |             let event::UserNameUpdated { name, user_id, at } = ev;
[INFO] [stdout]    |                                                         ^^ help: try ignoring the field: `at: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `user_id`
[INFO] [stdout]   --> 2_idioms/2_5_exhaustivity/src/lib.rs:67:43
[INFO] [stdout]    |
[INFO] [stdout] 67 |             let event::UserBecameOnline { user_id, at } = ev;
[INFO] [stdout]    |                                           ^^^^^^^ help: try ignoring the field: `user_id: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `user_id`
[INFO] [stdout]   --> 2_idioms/2_5_exhaustivity/src/lib.rs:74:44
[INFO] [stdout]    |
[INFO] [stdout] 74 |             let event::UserBecameOffline { user_id, at } = ev;
[INFO] [stdout]    |                                            ^^^^^^^ help: try ignoring the field: `user_id: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `user_id`
[INFO] [stdout]   --> 2_idioms/2_5_exhaustivity/src/lib.rs:82:38
[INFO] [stdout]    |
[INFO] [stdout] 82 |             let event::UserDeleted { user_id, at } = ev;
[INFO] [stdout]    |                                      ^^^^^^^ help: try ignoring the field: `user_id: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `line`
[INFO] [stdout]   --> 1_concepts/1_1_default_clone_copy/src/main.rs:59:9
[INFO] [stdout]    |
[INFO] [stdout] 59 |     let line = Polyline::from([a, b]);
[INFO] [stdout]    |         ^^^^ help: if this is intentional, prefix it with an underscore: `_line`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `line2`
[INFO] [stdout]   --> 1_concepts/1_1_default_clone_copy/src/main.rs:61:9
[INFO] [stdout]    |
[INFO] [stdout] 61 |     let line2 = Polyline::try_from(vec![a, b]).unwrap();
[INFO] [stdout]    |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_line2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `line3`
[INFO] [stdout]   --> 1_concepts/1_1_default_clone_copy/src/main.rs:63:9
[INFO] [stdout]    |
[INFO] [stdout] 63 |     let line3 = Polyline::new(a, b, &[]);
[INFO] [stdout]    |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_line3`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `x` and `y` are never read
[INFO] [stdout]  --> 1_concepts/1_1_default_clone_copy/src/main.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | struct Point {
[INFO] [stdout]   |        ----- fields in this struct
[INFO] [stdout] 5 |     x: f32,
[INFO] [stdout]   |     ^
[INFO] [stdout] 6 |     y: f32,
[INFO] [stdout]   |     ^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Point` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> 1_concepts/1_1_default_clone_copy/src/main.rs:16:17
[INFO] [stdout]    |
[INFO] [stdout] 16 | struct Polyline(Vec<Point>);
[INFO] [stdout]    |        -------- ^^^^^^^^^^
[INFO] [stdout]    |        |
[INFO] [stdout]    |        field in this struct
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Polyline` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 16 | struct Polyline(());
[INFO] [stdout]    |                 ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking step_1_6 v0.1.0 (/opt/rustwide/workdir/1_concepts/1_6_dispatch)
[INFO] [stdout] warning: unused import: `std::rc::Rc`
[INFO] [stdout]  --> 1_concepts/1_8_thread_safety/src/main.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::rc::Rc;
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking regex v1.10.3
[INFO] [stderr]     Checking globset v0.4.14
[INFO] [stderr]     Checking step_4_3 v0.1.0 (/opt/rustwide/workdir/4_backend/4_3_api)
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> 1_concepts/1_8_thread_safety/src/main.rs:10:17
[INFO] [stdout]    |
[INFO] [stdout] 10 |     struct Data(String);
[INFO] [stdout]    |            ---- ^^^^^^
[INFO] [stdout]    |            |
[INFO] [stdout]    |            field in this struct
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 10 |     struct Data(());
[INFO] [stdout]    |                 ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::rc::Rc`
[INFO] [stdout]  --> 1_concepts/1_8_thread_safety/src/main.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::rc::Rc;
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `set`, `get`, and `remove` are never used
[INFO] [stdout]  --> 1_concepts/1_6_dispatch/src/main.rs:4:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | trait Storage<K, V> {
[INFO] [stdout]   |       ------- methods in this trait
[INFO] [stdout] 4 |     fn set(&mut self, key: K, val: V);
[INFO] [stdout]   |        ^^^
[INFO] [stdout] 5 |     fn get(&self, key: &K) -> Option<&V>;
[INFO] [stdout]   |        ^^^
[INFO] [stdout] 6 |     fn remove(&mut self, key: &K) -> Option<V>;
[INFO] [stdout]   |        ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `id`, `email`, and `activated` are never read
[INFO] [stdout]   --> 1_concepts/1_6_dispatch/src/main.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 9  | struct User {
[INFO] [stdout]    |        ---- fields in this struct
[INFO] [stdout] 10 |     id: u64,
[INFO] [stdout]    |     ^^
[INFO] [stdout] 11 |     email: Cow<'static, str>,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 12 |     activated: bool,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `store` is never read
[INFO] [stdout]   --> 1_concepts/1_6_dispatch/src/main.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 16 | struct UserRepositoryStatic<S: Storage<u64, User>> {
[INFO] [stdout]    |        -------------------- field in this struct
[INFO] [stdout] 17 |     store: S,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `set`, `get`, and `remove` are never used
[INFO] [stdout]   --> 1_concepts/1_6_dispatch/src/main.rs:33:8
[INFO] [stdout]    |
[INFO] [stdout] 29 | / impl<S> UserRepositoryStatic<S>
[INFO] [stdout] 30 | | where
[INFO] [stdout] 31 | |     S: Storage<u64, User>,
[INFO] [stdout]    | |__________________________- methods in this implementation
[INFO] [stdout] 32 |   {
[INFO] [stdout] 33 |       fn set(&mut self, key: u64, val: User) {
[INFO] [stdout]    |          ^^^
[INFO] [stdout] ...
[INFO] [stdout] 36 |       fn get(&self, key: u64) -> Option<&User> {
[INFO] [stdout]    |          ^^^
[INFO] [stdout] ...
[INFO] [stdout] 39 |       fn remove(&mut self, key: u64) -> Option<User> {
[INFO] [stdout]    |          ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `UserRepositoryDynamic` is never constructed
[INFO] [stdout]   --> 1_concepts/1_6_dispatch/src/main.rs:45:8
[INFO] [stdout]    |
[INFO] [stdout] 45 | struct UserRepositoryDynamic {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `from_boxed_store`, `set`, `get`, and `remove` are never used
[INFO] [stdout]   --> 1_concepts/1_6_dispatch/src/main.rs:50:8
[INFO] [stdout]    |
[INFO] [stdout] 49 | impl UserRepositoryDynamic {
[INFO] [stdout]    | -------------------------- associated items in this implementation
[INFO] [stdout] 50 |     fn from_boxed_store(b: Box<dyn Storage<u64, User>>) -> Self {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 54 |     fn set(&mut self, key: u64, val: User) {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 57 |     fn get(&self, key: u64) -> Option<&User> {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 60 |     fn remove(&mut self, key: u64) -> Option<User> {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking step_3_9 v0.1.0 (/opt/rustwide/workdir/3_ecosystem/3_9_cmd_env_conf)
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking step_3_4 v0.1.0 (/opt/rustwide/workdir/3_ecosystem/3_4_regex_parsing)
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]   --> 2_idioms/src/main.rs:32:26
[INFO] [stdout]    |
[INFO] [stdout] 32 |             let target = (sum - curr_sum); // what we want on this iteration
[INFO] [stdout]    |                          ^              ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 32 -             let target = (sum - curr_sum); // what we want on this iteration
[INFO] [stdout] 32 +             let target = sum - curr_sum; // what we want on this iteration
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: usage of `Range` range syntax
[INFO] [stdout]   --> 2_idioms/src/main.rs:34:28
[INFO] [stdout]    |
[INFO] [stdout] 34 |             for attempt in 0..*ammount {
[INFO] [stdout]    |                            ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: requested on the command line with `-W range-syntax`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: usage of `Range` range syntax
[INFO] [stdout]   --> 2_idioms/src/main.rs:84:22
[INFO] [stdout]    |
[INFO] [stdout] 84 |             for i in 0..6 {
[INFO] [stdout]    |                      ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: usage of `Range` range syntax
[INFO] [stdout]   --> 2_idioms/src/main.rs:95:22
[INFO] [stdout]    |
[INFO] [stdout] 95 |             for i in 0..6 {
[INFO] [stdout]    |                      ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Display`, `mem`, `ptr`
[INFO] [stdout]  --> 1_concepts/src/main.rs:3:17
[INFO] [stdout]   |
[INFO] [stdout] 3 |     fmt::{self, Display},
[INFO] [stdout]   |                 ^^^^^^^
[INFO] [stdout] 4 |     mem, ptr,
[INFO] [stdout]   |     ^^^  ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `input`
[INFO] [stdout]  --> 3_ecosystem/3_4_regex_parsing/src/main.rs:5:10
[INFO] [stdout]   |
[INFO] [stdout] 5 | fn parse(input: &str) -> (Option<Sign>, Option<usize>, Option<Precision>) {
[INFO] [stdout]   |          ^^^^^ help: if this is intentional, prefix it with an underscore: `_input`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `Product` is more private than the item `Stock`
[INFO] [stdout]    --> 2_idioms/src/main.rs:113:1
[INFO] [stdout]     |
[INFO] [stdout] 113 | pub type Stock = HashMap<Product, (u8, u8)>;
[INFO] [stdout]     | ^^^^^^^^^^^^^^ type alias `Stock` is reachable at visibility `pub`
[INFO] [stdout]     |
[INFO] [stdout] note: but type `Product` is only usable at visibility `pub(crate)`
[INFO] [stdout]    --> 2_idioms/src/main.rs:4:1
[INFO] [stdout]     |
[INFO] [stdout] 4   | struct Product {
[INFO] [stdout]     | ^^^^^^^^^^^^^^
[INFO] [stdout]     = note: `#[warn(private_interfaces)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `COINS` is never used
[INFO] [stdout]  --> 2_idioms/src/main.rs:9:7
[INFO] [stdout]   |
[INFO] [stdout] 9 | const COINS: &[u32] = &[50, 20, 10, 5, 2, 1];
[INFO] [stdout]   |       ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `InCoins` is never constructed
[INFO] [stdout]   --> 2_idioms/src/main.rs:12:8
[INFO] [stdout]    |
[INFO] [stdout] 12 | struct InCoins([u32; 6]);
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `InCoins` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `money`, `coins_for_sum`, `trade`, and `total` are never used
[INFO] [stdout]    --> 2_idioms/src/main.rs:16:8
[INFO] [stdout]     |
[INFO] [stdout] 14  | impl InCoins {
[INFO] [stdout]     | ------------ associated items in this implementation
[INFO] [stdout] 15  |     /// this greedy algorithm works only with normalized monetary systems (that's why there are no others)
[INFO] [stdout] 16  |     fn money(mut sum: u32) -> Self {
[INFO] [stdout]     |        ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 27  |     fn coins_for_sum(&self, sum: u32) -> Option<InCoins> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 74  |     fn trade(&self, other: &Self, price: u32) -> Option<[InCoins; 2]> {
[INFO] [stdout]     |        ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 104 |     fn total(&self) -> u32 {
[INFO] [stdout]     |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `VendingMachine` is never constructed
[INFO] [stdout]    --> 2_idioms/src/main.rs:115:8
[INFO] [stdout]     |
[INFO] [stdout] 115 | struct VendingMachine {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `Purchase` is never used
[INFO] [stdout]    --> 2_idioms/src/main.rs:120:6
[INFO] [stdout]     |
[INFO] [stdout] 120 | type Purchase = ([Product; 1], InCoins);
[INFO] [stdout]     |      ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `purchase`, `is_empty`, `is_full`, and `stock` are never used
[INFO] [stdout]    --> 2_idioms/src/main.rs:123:8
[INFO] [stdout]     |
[INFO] [stdout] 122 | impl VendingMachine {
[INFO] [stdout]     | ------------------- methods in this implementation
[INFO] [stdout] 123 |     fn purchase(&mut self, what: Product, money: InCoins) -> Option<Purchase> {
[INFO] [stdout]     |        ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 136 |     fn is_empty(&self) -> bool {
[INFO] [stdout]     |        ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 140 |     fn is_full(&self) -> bool {
[INFO] [stdout]     |        ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 144 |     fn stock(&mut self, new: Stock) {
[INFO] [stdout]     |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `SafeVendingMachine` is never constructed
[INFO] [stdout]    --> 2_idioms/src/main.rs:180:8
[INFO] [stdout]     |
[INFO] [stdout] 180 | struct SafeVendingMachine<S: states::Seal>(VendingMachine, PhantomData<S>);
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Stocked` is never used
[INFO] [stdout]    --> 2_idioms/src/main.rs:183:6
[INFO] [stdout]     |
[INFO] [stdout] 183 | enum Stocked {
[INFO] [stdout]     |      ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `stock` is never used
[INFO] [stdout]    --> 2_idioms/src/main.rs:189:8
[INFO] [stdout]     |
[INFO] [stdout] 188 | impl SafeVendingMachine<states::Empty> {
[INFO] [stdout]     | -------------------------------------- method in this implementation
[INFO] [stdout] 189 |     fn stock(mut self, goods: Stock) -> Stocked {
[INFO] [stdout]     |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Purchased` is never used
[INFO] [stdout]    --> 2_idioms/src/main.rs:202:6
[INFO] [stdout]     |
[INFO] [stdout] 202 | enum Purchased {
[INFO] [stdout]     |      ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `stock` and `purchase` are never used
[INFO] [stdout]    --> 2_idioms/src/main.rs:208:8
[INFO] [stdout]     |
[INFO] [stdout] 207 | impl SafeVendingMachine<states::CanAccept> {
[INFO] [stdout]     | ------------------------------------------ methods in this implementation
[INFO] [stdout] 208 |     fn stock(mut self, goods: Stock) -> Stocked {
[INFO] [stdout]     |        ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 219 |     fn purchase(mut self, what: Product, money: InCoins) -> (Option<Purchase>, Purchased) {
[INFO] [stdout]     |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `purchase` is never used
[INFO] [stdout]    --> 2_idioms/src/main.rs:236:8
[INFO] [stdout]     |
[INFO] [stdout] 235 | impl SafeVendingMachine<states::Full> {
[INFO] [stdout]     | ------------------------------------- method in this implementation
[INFO] [stdout] 236 |     fn purchase(mut self, what: Product, money: InCoins) -> (Option<Purchase>, Purchased) {
[INFO] [stdout]     |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Seal` is never used
[INFO] [stdout]    --> 2_idioms/src/main.rs:163:15
[INFO] [stdout]     |
[INFO] [stdout] 163 |     pub trait Seal {}
[INFO] [stdout]     |               ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Empty` is never constructed
[INFO] [stdout]    --> 2_idioms/src/main.rs:166:16
[INFO] [stdout]     |
[INFO] [stdout] 166 |     pub struct Empty;
[INFO] [stdout]     |                ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Full` is never constructed
[INFO] [stdout]    --> 2_idioms/src/main.rs:170:16
[INFO] [stdout]     |
[INFO] [stdout] 170 |     pub struct Full;
[INFO] [stdout]     |                ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `CanAccept` is never constructed
[INFO] [stdout]    --> 2_idioms/src/main.rs:175:16
[INFO] [stdout]     |
[INFO] [stdout] 175 |     pub struct CanAccept; //could have slapped there a Product as a const param but to use this we'd need dependent typing
[INFO] [stdout]     |                ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 21 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling derive_more v0.99.17
[INFO] [stderr]     Checking step_2_1 v0.1.0 (/opt/rustwide/workdir/2_idioms/2_1_type_safety)
[INFO] [stdout] warning: methods `push`, `try_push`, and `pop` are never used
[INFO] [stdout]   --> 1_concepts/1_3_rc_cell/src/main.rs:19:12
[INFO] [stdout]    |
[INFO] [stdout] 18 | impl<T> GlobalStack<T> {
[INFO] [stdout]    | ---------------------- methods in this implementation
[INFO] [stdout] 19 |     pub fn push(&self, t: T) {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 26 |     pub fn try_push(&self, t: T) -> Result<(), &'static str> {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 34 |     pub fn pop(&self) -> Option<T> {
[INFO] [stdout]    |            ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]    --> 1_concepts/1_7_sized/src/main.rs:111:5
[INFO] [stdout]     |
[INFO] [stdout] 111 |     /// here dynamic cast happens
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 112 |     let ctx = UserRepositoryDynamic::from_store(Box::new(store));
[INFO] [stdout]     |     ------------------------------------------------------------- rustdoc does not generate documentation for statements
[INFO] [stdout]     |
[INFO] [stdout]     = help: use `//` for a plain comment
[INFO] [stdout]     = note: `#[warn(unused_doc_comments)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `set`, `get`, and `remove` are never used
[INFO] [stdout]  --> 1_concepts/1_6_dispatch/src/main.rs:4:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | trait Storage<K, V> {
[INFO] [stdout]   |       ------- methods in this trait
[INFO] [stdout] 4 |     fn set(&mut self, key: K, val: V);
[INFO] [stdout]   |        ^^^
[INFO] [stdout] 5 |     fn get(&self, key: &K) -> Option<&V>;
[INFO] [stdout]   |        ^^^
[INFO] [stdout] 6 |     fn remove(&mut self, key: &K) -> Option<V>;
[INFO] [stdout]   |        ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking step_4 v0.1.0 (/opt/rustwide/workdir/4_backend)
[INFO] [stdout] warning: fields `id`, `email`, and `activated` are never read
[INFO] [stdout]   --> 1_concepts/1_6_dispatch/src/main.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 9  | struct User {
[INFO] [stdout]    |        ---- fields in this struct
[INFO] [stdout] 10 |     id: u64,
[INFO] [stdout]    |     ^^
[INFO] [stdout] 11 |     email: Cow<'static, str>,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 12 |     activated: bool,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Post` is never constructed
[INFO] [stdout]   --> 2_idioms/2_1_type_safety/src/main.rs:36:8
[INFO] [stdout]    |
[INFO] [stdout] 36 | struct Post<State: states::Sealed> {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Post` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `publish` is never used
[INFO] [stdout]   --> 2_idioms/2_1_type_safety/src/main.rs:45:8
[INFO] [stdout]    |
[INFO] [stdout] 44 | impl Post<states::New> {
[INFO] [stdout]    | ---------------------- method in this implementation
[INFO] [stdout] 45 |     fn publish(self) -> Post<states::Unmoderated> {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `store` is never read
[INFO] [stdout]   --> 1_concepts/1_6_dispatch/src/main.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 16 | struct UserRepositoryStatic<S: Storage<u64, User>> {
[INFO] [stdout]    |        -------------------- field in this struct
[INFO] [stdout] 17 |     store: S,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `allow` is never used
[INFO] [stdout]   --> 2_idioms/2_1_type_safety/src/main.rs:57:8
[INFO] [stdout]    |
[INFO] [stdout] 56 | impl Post<states::Unmoderated> {
[INFO] [stdout]    | ------------------------------ method in this implementation
[INFO] [stdout] 57 |     fn allow(self) -> Post<states::Published> {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `delete` is never used
[INFO] [stdout]   --> 2_idioms/2_1_type_safety/src/main.rs:69:8
[INFO] [stdout]    |
[INFO] [stdout] 68 | impl Post<states::Published> {
[INFO] [stdout]    | ---------------------------- method in this implementation
[INFO] [stdout] 69 |     fn delete(self) -> Post<states::Deleted> {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `deny` is never used
[INFO] [stdout]   --> 2_idioms/2_1_type_safety/src/main.rs:80:8
[INFO] [stdout]    |
[INFO] [stdout] 79 | impl Post<states::Deleted> {
[INFO] [stdout]    | -------------------------- method in this implementation
[INFO] [stdout] 80 |     fn deny(self) -> Post<states::Unmoderated> {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Sealed` is never used
[INFO] [stdout]  --> 2_idioms/2_1_type_safety/src/main.rs:4:22
[INFO] [stdout]   |
[INFO] [stdout] 4 |     pub(crate) trait Sealed {}
[INFO] [stdout]   |                      ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Unmoderated` is never constructed
[INFO] [stdout]  --> 2_idioms/2_1_type_safety/src/main.rs:6:16
[INFO] [stdout]   |
[INFO] [stdout] 6 |     pub struct Unmoderated;
[INFO] [stdout]   |                ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Published` is never constructed
[INFO] [stdout]  --> 2_idioms/2_1_type_safety/src/main.rs:9:16
[INFO] [stdout]   |
[INFO] [stdout] 9 |     pub struct Published;
[INFO] [stdout]   |                ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Deleted` is never constructed
[INFO] [stdout]   --> 2_idioms/2_1_type_safety/src/main.rs:12:16
[INFO] [stdout]    |
[INFO] [stdout] 12 |     pub struct Deleted;
[INFO] [stdout]    |                ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `New` is never constructed
[INFO] [stdout]   --> 2_idioms/2_1_type_safety/src/main.rs:15:16
[INFO] [stdout]    |
[INFO] [stdout] 15 |     pub struct New;
[INFO] [stdout]    |                ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `set`, `get`, and `remove` are never used
[INFO] [stdout]   --> 1_concepts/1_6_dispatch/src/main.rs:33:8
[INFO] [stdout]    |
[INFO] [stdout] 29 | / impl<S> UserRepositoryStatic<S>
[INFO] [stdout] 30 | | where
[INFO] [stdout] 31 | |     S: Storage<u64, User>,
[INFO] [stdout]    | |__________________________- methods in this implementation
[INFO] [stdout] 32 |   {
[INFO] [stdout] 33 |       fn set(&mut self, key: u64, val: User) {
[INFO] [stdout]    |          ^^^
[INFO] [stdout] ...
[INFO] [stdout] 36 |       fn get(&self, key: u64) -> Option<&User> {
[INFO] [stdout]    |          ^^^
[INFO] [stdout] ...
[INFO] [stdout] 39 |       fn remove(&mut self, key: u64) -> Option<User> {
[INFO] [stdout]    |          ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 10 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `UserRepositoryDynamic` is never constructed
[INFO] [stdout]   --> 1_concepts/1_6_dispatch/src/main.rs:45:8
[INFO] [stdout]    |
[INFO] [stdout] 45 | struct UserRepositoryDynamic {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `from_boxed_store`, `set`, `get`, and `remove` are never used
[INFO] [stdout]   --> 1_concepts/1_6_dispatch/src/main.rs:50:8
[INFO] [stdout]    |
[INFO] [stdout] 49 | impl UserRepositoryDynamic {
[INFO] [stdout]    | -------------------------- associated items in this implementation
[INFO] [stdout] 50 |     fn from_boxed_store(b: Box<dyn Storage<u64, User>>) -> Self {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 54 |     fn set(&mut self, key: u64, val: User) {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 57 |     fn get(&self, key: u64) -> Option<&User> {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 60 |     fn remove(&mut self, key: u64) -> Option<User> {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> 1_concepts/1_7_sized/src/main.rs:45:19
[INFO] [stdout]    |
[INFO] [stdout] 45 |             .map(|mut s| s.get(&key).cloned())
[INFO] [stdout]    |                   ----^
[INFO] [stdout]    |                   |
[INFO] [stdout]    |                   help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `get` and `remove` are never used
[INFO] [stdout]  --> 1_concepts/1_7_sized/src/main.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | trait Storage<K, V> {
[INFO] [stdout]   |       ------- methods in this trait
[INFO] [stdout] 4 |     fn set(&mut self, key: K, val: V);
[INFO] [stdout] 5 |     fn get(&self, key: &K) -> Option<&V>;
[INFO] [stdout]   |        ^^^
[INFO] [stdout] 6 |     fn remove(&mut self, key: &K) -> Option<V>;
[INFO] [stdout]   |        ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `email` and `activated` are never read
[INFO] [stdout]   --> 1_concepts/1_7_sized/src/main.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | struct User {
[INFO] [stdout]    |        ---- fields in this struct
[INFO] [stdout] 11 |     id: u64,
[INFO] [stdout] 12 |     email: Cow<'static, str>,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 13 |     activated: bool,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `User` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `get` and `remove` are never used
[INFO] [stdout]   --> 1_concepts/1_7_sized/src/main.rs:32:8
[INFO] [stdout]    |
[INFO] [stdout] 29 | trait UserRepository {
[INFO] [stdout]    |       -------------- methods in this trait
[INFO] [stdout] ...
[INFO] [stdout] 32 |     fn get(&self, key: u64) -> Option<User>;
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 33 |
[INFO] [stdout] 34 |     fn remove(&self, key: u64) -> Option<User>;
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> 1_concepts/1_7_sized/src/main.rs:39:9
[INFO] [stdout]    |
[INFO] [stdout] 39 |         self.store.lock().map(|mut s| s.set(key, val));
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 39 |         let _ = self.store.lock().map(|mut s| s.set(key, val));
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `input`
[INFO] [stdout]  --> 3_ecosystem/3_4_regex_parsing/src/main.rs:5:10
[INFO] [stdout]   |
[INFO] [stdout] 5 | fn parse(input: &str) -> (Option<Sign>, Option<usize>, Option<Precision>) {
[INFO] [stdout]   |          ^^^^^ help: if this is intentional, prefix it with an underscore: `_input`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `parse` is never used
[INFO] [stdout]  --> 3_ecosystem/3_4_regex_parsing/src/main.rs:5:4
[INFO] [stdout]   |
[INFO] [stdout] 5 | fn parse(input: &str) -> (Option<Sign>, Option<usize>, Option<Precision>) {
[INFO] [stdout]   |    ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Plus` and `Minus` are never constructed
[INFO] [stdout]   --> 3_ecosystem/3_4_regex_parsing/src/main.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | enum Sign {
[INFO] [stdout]    |      ---- variants in this enum
[INFO] [stdout] 11 |     Plus,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 12 |     Minus,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Sign` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Integer`, `Argument`, and `Asterisk` are never constructed
[INFO] [stdout]   --> 3_ecosystem/3_4_regex_parsing/src/main.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 16 | enum Precision {
[INFO] [stdout]    |      --------- variants in this enum
[INFO] [stdout] 17 |     Integer(usize),
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 18 |     Argument(usize),
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 19 |     Asterisk,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Precision` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Post` is never constructed
[INFO] [stdout]   --> 2_idioms/2_1_type_safety/src/main.rs:36:8
[INFO] [stdout]    |
[INFO] [stdout] 36 | struct Post<State: states::Sealed> {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Post` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `publish` is never used
[INFO] [stdout]   --> 2_idioms/2_1_type_safety/src/main.rs:45:8
[INFO] [stdout]    |
[INFO] [stdout] 44 | impl Post<states::New> {
[INFO] [stdout]    | ---------------------- method in this implementation
[INFO] [stdout] 45 |     fn publish(self) -> Post<states::Unmoderated> {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `allow` is never used
[INFO] [stdout]   --> 2_idioms/2_1_type_safety/src/main.rs:57:8
[INFO] [stdout]    |
[INFO] [stdout] 56 | impl Post<states::Unmoderated> {
[INFO] [stdout]    | ------------------------------ method in this implementation
[INFO] [stdout] 57 |     fn allow(self) -> Post<states::Published> {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `delete` is never used
[INFO] [stdout]   --> 2_idioms/2_1_type_safety/src/main.rs:69:8
[INFO] [stdout]    |
[INFO] [stdout] 68 | impl Post<states::Published> {
[INFO] [stdout]    | ---------------------------- method in this implementation
[INFO] [stdout] 69 |     fn delete(self) -> Post<states::Deleted> {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `deny` is never used
[INFO] [stdout]   --> 2_idioms/2_1_type_safety/src/main.rs:80:8
[INFO] [stdout]    |
[INFO] [stdout] 79 | impl Post<states::Deleted> {
[INFO] [stdout]    | -------------------------- method in this implementation
[INFO] [stdout] 80 |     fn deny(self) -> Post<states::Unmoderated> {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Sealed` is never used
[INFO] [stdout]  --> 2_idioms/2_1_type_safety/src/main.rs:4:22
[INFO] [stdout]   |
[INFO] [stdout] 4 |     pub(crate) trait Sealed {}
[INFO] [stdout]   |                      ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Unmoderated` is never constructed
[INFO] [stdout]  --> 2_idioms/2_1_type_safety/src/main.rs:6:16
[INFO] [stdout]   |
[INFO] [stdout] 6 |     pub struct Unmoderated;
[INFO] [stdout]   |                ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Published` is never constructed
[INFO] [stdout]  --> 2_idioms/2_1_type_safety/src/main.rs:9:16
[INFO] [stdout]   |
[INFO] [stdout] 9 |     pub struct Published;
[INFO] [stdout]   |                ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Deleted` is never constructed
[INFO] [stdout]   --> 2_idioms/2_1_type_safety/src/main.rs:12:16
[INFO] [stdout]    |
[INFO] [stdout] 12 |     pub struct Deleted;
[INFO] [stdout]    |                ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `New` is never constructed
[INFO] [stdout]   --> 2_idioms/2_1_type_safety/src/main.rs:15:16
[INFO] [stdout]    |
[INFO] [stdout] 15 |     pub struct New;
[INFO] [stdout]    |                ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking ignore v0.4.22
[INFO] [stdout] warning: 10 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `run_me` is never used
[INFO] [stdout]   --> 2_idioms/2_6_sealing/src/lib.rs:15:4
[INFO] [stdout]    |
[INFO] [stdout] 15 | fn run_me() {}
[INFO] [stdout]    |    ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking step_1_5 v0.1.0 (/opt/rustwide/workdir/1_concepts/1_5_convert_cast_deref)
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking globwalk v0.8.1
[INFO] [stderr]     Checking step_3_5 v0.1.0 (/opt/rustwide/workdir/3_ecosystem/3_5_collections)
[INFO] [stderr]    Compiling serde_derive v1.0.197
[INFO] [stderr]    Compiling sealed v0.5.0
[INFO] [stderr]    Compiling futures-macro v0.3.30
[INFO] [stderr]    Compiling thiserror-impl v1.0.57
[INFO] [stderr]    Compiling typed-builder-macro v0.15.2
[INFO] [stderr]    Compiling tracing-attributes v0.1.27
[INFO] [stderr]    Compiling clap_derive v4.5.0
[INFO] [stderr]    Compiling pin-project-internal v1.1.4
[INFO] [stderr]    Compiling async-trait v0.1.77
[INFO] [stderr]    Compiling smart-default v0.7.1
[INFO] [stderr]    Compiling proc_crate v0.1.0 (/opt/rustwide/workdir/3_ecosystem/3_2_macro/proc_crate)
[INFO] [stdout] warning: unused imports: `Group`, `Ident`, `Literal`, `Punct`, `Spacing`, `TokenTree`
[INFO] [stdout]  --> 3_ecosystem/3_2_macro/proc_crate/src/lib.rs:1:18
[INFO] [stdout]   |
[INFO] [stdout] 1 | use proc_macro::{Group, Ident, Literal, Punct, Spacing, TokenStream, TokenTree};
[INFO] [stdout]   |                  ^^^^^  ^^^^^  ^^^^^^^  ^^^^^  ^^^^^^^               ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `quote::quote`
[INFO] [stdout]  --> 3_ecosystem/3_2_macro/proc_crate/src/lib.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use quote::quote;
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling lazy-regex-proc_macros v3.1.0
[INFO] [stderr]    Compiling cucumber-expressions v0.3.0
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling synthez-core v0.3.1
[INFO] [stderr]     Checking step_3_2 v0.1.0 (/opt/rustwide/workdir/3_ecosystem/3_2_macro)
[INFO] [stdout] warning: unused imports: `Group`, `Ident`, `Literal`, `Punct`, `Spacing`, `TokenTree`
[INFO] [stdout]  --> 3_ecosystem/3_2_macro/proc_crate/src/lib.rs:1:18
[INFO] [stdout]   |
[INFO] [stdout] 1 | use proc_macro::{Group, Ident, Literal, Punct, Spacing, TokenStream, TokenTree};
[INFO] [stdout]   |                  ^^^^^  ^^^^^  ^^^^^^^  ^^^^^  ^^^^^^^               ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `quote::quote`
[INFO] [stdout]  --> 3_ecosystem/3_2_macro/proc_crate/src/lib.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use quote::quote;
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking futures-util v0.3.30
[INFO] [stdout] warning: unused imports: `Group`, `Ident`, `Literal`, `Punct`, `Spacing`, `TokenTree`
[INFO] [stdout]  --> 3_ecosystem/3_2_macro/proc_crate/src/lib.rs:1:18
[INFO] [stdout]   |
[INFO] [stdout] 1 | use proc_macro::{Group, Ident, Literal, Punct, Spacing, TokenStream, TokenTree};
[INFO] [stdout]   |                  ^^^^^  ^^^^^  ^^^^^^^  ^^^^^  ^^^^^^^               ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `quote::quote`
[INFO] [stdout]  --> 3_ecosystem/3_2_macro/proc_crate/src/lib.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use quote::quote;
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking lazy-regex v3.1.0
[INFO] [stderr]     Checking typed-builder v0.15.2
[INFO] [stderr]    Compiling synthez-codegen v0.3.1
[INFO] [stderr]     Checking pin-project v1.1.4
[INFO] [stderr]     Checking tracing v0.1.40
[INFO] [stderr]     Checking clap v4.5.1
[INFO] [stderr]    Compiling synthez v0.3.1
[INFO] [stderr]    Compiling cucumber-codegen v0.20.2
[INFO] [stderr]     Checking futures-executor v0.3.30
[INFO] [stderr]     Checking futures v0.3.30
[INFO] [stderr]     Checking chrono v0.4.34
[INFO] [stderr]     Checking serde_yaml v0.9.32
[INFO] [stderr]     Checking toml v0.4.10
[INFO] [stderr]     Checking url v2.5.0
[INFO] [stderr]     Checking serde_json v1.0.114
[INFO] [stderr]     Checking step_3_6 v0.1.0 (/opt/rustwide/workdir/3_ecosystem/3_6_serde)
[INFO] [stderr]     Checking step_3_3 v0.1.0 (/opt/rustwide/workdir/3_ecosystem/3_3_date_time)
[INFO] [stdout] warning: unused import: `chrono::Datelike`
[INFO] [stdout]  --> 3_ecosystem/3_3_date_time/src/main.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use chrono::Datelike;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `chrono::Datelike`
[INFO] [stdout]  --> 3_ecosystem/3_3_date_time/src/main.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use chrono::Datelike;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `NOW` is never used
[INFO] [stdout]  --> 3_ecosystem/3_3_date_time/src/main.rs:7:7
[INFO] [stdout]   |
[INFO] [stdout] 7 | const NOW: &str = "2019-06-26";
[INFO] [stdout]   |       ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `User` is never constructed
[INFO] [stdout]  --> 3_ecosystem/3_3_date_time/src/main.rs:9:8
[INFO] [stdout]   |
[INFO] [stdout] 9 | struct User(chrono::NaiveDate);
[INFO] [stdout]   |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `with_birthdate`, `age`, and `is_adult` are never used
[INFO] [stdout]   --> 3_ecosystem/3_3_date_time/src/main.rs:12:8
[INFO] [stdout]    |
[INFO] [stdout] 11 | impl User {
[INFO] [stdout]    | --------- associated items in this implementation
[INFO] [stdout] 12 |     fn with_birthdate(year: i32, month: u32, day: u32) -> Self {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 17 |     fn age(&self) -> u16 {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 27 |     fn is_adult(&self) -> bool {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `is_adult` is never used
[INFO] [stdout]   --> 3_ecosystem/3_3_date_time/src/main.rs:27:8
[INFO] [stdout]    |
[INFO] [stdout] 11 | impl User {
[INFO] [stdout]    | --------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 27 |     fn is_adult(&self) -> bool {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling gherkin v0.14.0
[INFO] [stderr]     Checking cucumber v0.20.2
[INFO] [stdout] warning: usage of `Range` range syntax
[INFO] [stdout]   --> 3_ecosystem/3_1_testing/src/main.rs:91:42
[INFO] [stdout]    |
[INFO] [stdout] 91 |         fn not_wining_randomly(secret in 0..1000u32,guess in 0..1000u32) {
[INFO] [stdout]    |                                          ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: requested on the command line with `-W range-syntax`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: usage of `Range` range syntax
[INFO] [stdout]   --> 3_ecosystem/3_1_testing/src/main.rs:91:62
[INFO] [stdout]    |
[INFO] [stdout] 91 |         fn not_wining_randomly(secret in 0..1000u32,guess in 0..1000u32) {
[INFO] [stdout]    |                                                              ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: usage of `Range` range syntax
[INFO] [stdout]    --> 3_ecosystem/3_1_testing/src/main.rs:103:44
[INFO] [stdout]     |
[INFO] [stdout] 103 |         fn greater_is_consistent(secret in 0..1000u32,guess in 0..1000u32) {
[INFO] [stdout]     |                                            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: usage of `Range` range syntax
[INFO] [stdout]    --> 3_ecosystem/3_1_testing/src/main.rs:103:64
[INFO] [stdout]     |
[INFO] [stdout] 103 |         fn greater_is_consistent(secret in 0..1000u32,guess in 0..1000u32) {
[INFO] [stdout]     |                                                                ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: usage of `Range` range syntax
[INFO] [stdout]    --> 3_ecosystem/3_1_testing/src/main.rs:115:43
[INFO] [stdout]     |
[INFO] [stdout] 115 |         fn lesser_is_consistent(secret in 0..1000u32,guess in 0..1000u32) {
[INFO] [stdout]     |                                           ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: usage of `Range` range syntax
[INFO] [stdout]    --> 3_ecosystem/3_1_testing/src/main.rs:115:63
[INFO] [stdout]     |
[INFO] [stdout] 115 |         fn lesser_is_consistent(secret in 0..1000u32,guess in 0..1000u32) {
[INFO] [stdout]     |                                                               ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 11.79s
[INFO] running `Command { std: "docker" "inspect" "5bf82cfd0eb29eae4ce52951bc67bb1260eb9e73fb2fe50bc6ef2d466d7acfe5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5bf82cfd0eb29eae4ce52951bc67bb1260eb9e73fb2fe50bc6ef2d466d7acfe5", kill_on_drop: false }`
[INFO] [stdout] 5bf82cfd0eb29eae4ce52951bc67bb1260eb9e73fb2fe50bc6ef2d466d7acfe5
