[INFO] cloning repository https://github.com/Twigiyama/rustgpt_playaround [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Twigiyama/rustgpt_playaround" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTwigiyama%2Frustgpt_playaround", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTwigiyama%2Frustgpt_playaround'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] db58b3992ab671e2095fa576151dfa75afff7b6f [INFO] checking Twigiyama/rustgpt_playaround against master#b286722878e18db29a7fbe672be7c4d3b02e8e4d for pr-127655 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTwigiyama%2Frustgpt_playaround" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/Twigiyama/rustgpt_playaround on toolchain b286722878e18db29a7fbe672be7c4d3b02e8e4d [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b286722878e18db29a7fbe672be7c4d3b02e8e4d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/Twigiyama/rustgpt_playaround [INFO] finished tweaking git repo https://github.com/Twigiyama/rustgpt_playaround [INFO] tweaked toml for git repo https://github.com/Twigiyama/rustgpt_playaround written to /workspace/builds/worker-0-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/Twigiyama/rustgpt_playaround 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" "+b286722878e18db29a7fbe672be7c4d3b02e8e4d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded strum_macros v0.26.3 [INFO] [stderr] Downloaded winnow v0.6.11 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:dff56e7819e73ed36160586b3445e93eb0be776c16704aeeded9c3fb668b2384" "/opt/rustwide/cargo-home/bin/cargo" "+b286722878e18db29a7fbe672be7c4d3b02e8e4d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 721a880b6e60a342be178ef777853334c3b9614cb5094ced45d599c2dc4e6110 [INFO] running `Command { std: "docker" "start" "-a" "721a880b6e60a342be178ef777853334c3b9614cb5094ced45d599c2dc4e6110", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "721a880b6e60a342be178ef777853334c3b9614cb5094ced45d599c2dc4e6110", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "721a880b6e60a342be178ef777853334c3b9614cb5094ced45d599c2dc4e6110", kill_on_drop: false }` [INFO] [stdout] 721a880b6e60a342be178ef777853334c3b9614cb5094ced45d599c2dc4e6110 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:dff56e7819e73ed36160586b3445e93eb0be776c16704aeeded9c3fb668b2384" "/opt/rustwide/cargo-home/bin/cargo" "+b286722878e18db29a7fbe672be7c4d3b02e8e4d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 4cc378e4196fa3b09135803fa59cf254f2b287037bd77529178b2d5c02816087 [INFO] running `Command { std: "docker" "start" "-a" "4cc378e4196fa3b09135803fa59cf254f2b287037bd77529178b2d5c02816087", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.85 [INFO] [stderr] Compiling serde v1.0.203 [INFO] [stderr] Compiling typenum v1.17.0 [INFO] [stderr] Compiling libc v0.2.155 [INFO] [stderr] Checking zeroize v1.8.1 [INFO] [stderr] Compiling autocfg v1.3.0 [INFO] [stderr] Compiling syn v1.0.109 [INFO] [stderr] Compiling hashbrown v0.14.5 [INFO] [stderr] Compiling equivalent v1.0.1 [INFO] [stderr] Checking const-oid v0.9.6 [INFO] [stderr] Checking subtle v2.5.0 [INFO] [stderr] Compiling winnow v0.5.40 [INFO] [stderr] Compiling cc v1.0.98 [INFO] [stderr] Compiling generic-array v0.14.7 [INFO] [stderr] Compiling crunchy v0.2.2 [INFO] [stderr] Compiling thiserror v1.0.61 [INFO] [stderr] Checking itoa v1.0.11 [INFO] [stderr] Checking cpufeatures v0.2.12 [INFO] [stderr] Compiling tiny-keccak v2.0.2 [INFO] [stderr] Checking byteorder v1.5.0 [INFO] [stderr] Checking hex v0.4.3 [INFO] [stderr] Checking pin-project-lite v0.2.14 [INFO] [stderr] Checking der v0.7.9 [INFO] [stderr] Compiling parking_lot_core v0.9.10 [INFO] [stderr] Checking rustc-hex v2.1.0 [INFO] [stderr] Compiling rustix v0.38.34 [INFO] [stderr] Compiling camino v1.1.7 [INFO] [stderr] Compiling semver v1.0.23 [INFO] [stderr] Checking smallvec v1.13.2 [INFO] [stderr] Compiling lock_api v0.4.12 [INFO] [stderr] Checking arrayvec v0.7.4 [INFO] [stderr] Checking byte-slice-cast v1.2.2 [INFO] [stderr] Checking futures-core v0.3.30 [INFO] [stderr] Compiling rustversion v1.0.17 [INFO] [stderr] Compiling num-traits v0.2.19 [INFO] [stderr] Checking bitflags v2.5.0 [INFO] [stderr] Checking static_assertions v1.1.0 [INFO] [stderr] Checking ryu v1.0.18 [INFO] [stderr] Compiling indexmap v2.2.6 [INFO] [stderr] Compiling once_cell v1.19.0 [INFO] [stderr] Checking base16ct v0.2.0 [INFO] [stderr] Checking keccak v0.1.5 [INFO] [stderr] Compiling quote v1.0.36 [INFO] [stderr] Compiling serde_json v1.0.117 [INFO] [stderr] Compiling heck v0.5.0 [INFO] [stderr] Checking log v0.4.21 [INFO] [stderr] Compiling pkg-config v0.3.30 [INFO] [stderr] Compiling vcpkg v0.2.15 [INFO] [stderr] Compiling syn v2.0.66 [INFO] [stderr] Checking getrandom v0.2.15 [INFO] [stderr] Checking socket2 v0.5.7 [INFO] [stderr] Checking rand_core v0.6.4 [INFO] [stderr] Checking parking_lot v0.12.3 [INFO] [stderr] Checking rand_chacha v0.3.1 [INFO] [stderr] Checking ff v0.13.0 [INFO] [stderr] Checking spki v0.7.3 [INFO] [stderr] Checking signal-hook-registry v1.4.2 [INFO] [stderr] Checking mio v0.8.11 [INFO] [stderr] Checking group v0.13.0 [INFO] [stderr] Checking num_cpus v1.16.0 [INFO] [stderr] Checking rand v0.8.5 [INFO] [stderr] Checking pkcs8 v0.10.2 [INFO] [stderr] Compiling slab v0.4.9 [INFO] [stderr] Checking untrusted v0.9.0 [INFO] [stderr] Checking spin v0.9.8 [INFO] [stderr] Compiling ppv-lite86 v0.2.17 [INFO] [stderr] Compiling ring v0.17.8 [INFO] [stderr] Checking memchr v2.7.2 [INFO] [stderr] Checking uint v0.9.5 [INFO] [stderr] Checking tracing-core v0.1.32 [INFO] [stderr] Checking regex-syntax v0.8.3 [INFO] [stderr] Compiling openssl-sys v0.9.102 [INFO] [stderr] Checking crypto-common v0.1.6 [INFO] [stderr] Checking block-buffer v0.10.4 [INFO] [stderr] Checking sec1 v0.7.3 [INFO] [stderr] Checking crypto-bigint v0.5.5 [INFO] [stderr] Checking digest v0.10.7 [INFO] [stderr] Compiling httparse v1.8.0 [INFO] [stderr] Checking futures-task v0.3.30 [INFO] [stderr] Checking unicode-ident v1.0.12 [INFO] [stderr] Checking hmac v0.12.1 [INFO] [stderr] Checking sha2 v0.10.8 [INFO] [stderr] Checking sha3 v0.10.8 [INFO] [stderr] Checking fixed-hash v0.8.0 [INFO] [stderr] Checking signature v2.2.0 [INFO] [stderr] Checking aho-corasick v1.1.3 [INFO] [stderr] Compiling wasm-bindgen-shared v0.2.92 [INFO] [stderr] Checking rfc6979 v0.4.0 [INFO] [stderr] Checking futures-sink v0.3.30 [INFO] [stderr] Checking base64 v0.21.7 [INFO] [stderr] Checking futures-channel v0.3.30 [INFO] [stderr] Compiling rustls v0.21.12 [INFO] [stderr] Checking tinyvec_macros v0.1.1 [INFO] [stderr] Checking tinyvec v1.6.0 [INFO] [stderr] Compiling bumpalo v3.16.0 [INFO] [stderr] Checking percent-encoding v2.3.1 [INFO] [stderr] Checking linux-raw-sys v0.4.14 [INFO] [stderr] Compiling openssl v0.10.64 [INFO] [stderr] Checking form_urlencoded v1.2.1 [INFO] [stderr] Checking fastrand v2.1.0 [INFO] [stderr] Checking unicode-bidi v0.3.15 [INFO] [stderr] Checking unicode-normalization v0.1.23 [INFO] [stderr] Compiling native-tls v0.2.12 [INFO] [stderr] Checking try-lock v0.2.5 [INFO] [stderr] Checking want v0.3.1 [INFO] [stderr] Checking inout v0.1.3 [INFO] [stderr] Checking elliptic-curve v0.13.8 [INFO] [stderr] Checking chrono v0.4.38 [INFO] [stderr] Checking const-hex v1.12.0 [INFO] [stderr] Checking idna v0.5.0 [INFO] [stderr] Checking regex-automata v0.4.6 [INFO] [stderr] Checking ecdsa v0.16.9 [INFO] [stderr] Compiling eyre v0.6.12 [INFO] [stderr] Checking httpdate v1.0.3 [INFO] [stderr] Compiling wasm-bindgen v0.2.92 [INFO] [stderr] Compiling prettyplease v0.2.20 [INFO] [stderr] Checking unicode-xid v0.2.4 [INFO] [stderr] Checking url v2.5.0 [INFO] [stderr] Checking k256 v0.13.3 [INFO] [stderr] Checking cipher v0.4.4 [INFO] [stderr] Compiling num-conv v0.1.0 [INFO] [stderr] Compiling time-core v0.1.2 [INFO] [stderr] Checking powerfmt v0.2.0 [INFO] [stderr] Compiling time-macros v0.2.18 [INFO] [stderr] Checking deranged v0.3.11 [INFO] [stderr] Checking tempfile v3.10.1 [INFO] [stderr] Checking num-integer v0.1.46 [INFO] [stderr] Compiling ring v0.16.20 [INFO] [stderr] Checking webpki-roots v0.25.4 [INFO] [stderr] Compiling winnow v0.6.11 [INFO] [stderr] Compiling wasm-bindgen-backend v0.2.92 [INFO] [stderr] error: could not compile `syn` (lib) [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `/opt/rustwide/rustup-home/toolchains/b286722878e18db29a7fbe672be7c4d3b02e8e4d/bin/rustc --crate-name syn --edition=2021 /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/syn-2.0.66/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="clone-impls"' --cfg 'feature="default"' --cfg 'feature="derive"' --cfg 'feature="extra-traits"' --cfg 'feature="full"' --cfg 'feature="parsing"' --cfg 'feature="printing"' --cfg 'feature="proc-macro"' --cfg 'feature="visit"' --cfg 'feature="visit-mut"' --check-cfg 'cfg(docsrs)' --check-cfg 'cfg(feature, values("clone-impls", "default", "derive", "extra-traits", "fold", "full", "parsing", "printing", "proc-macro", "test", "visit", "visit-mut"))' -C metadata=3e830b26517935b6 -C extra-filename=-3e830b26517935b6 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-1bb26fbb0527dae1.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-72a3009671468a77.rmeta --extern unicode_ident=/opt/rustwide/target/debug/deps/libunicode_ident-7b828347d8713ecd.rmeta --cap-lints allow --cap-lints=forbid` (signal: 9, SIGKILL: kill) [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] running `Command { std: "docker" "inspect" "4cc378e4196fa3b09135803fa59cf254f2b287037bd77529178b2d5c02816087", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4cc378e4196fa3b09135803fa59cf254f2b287037bd77529178b2d5c02816087", kill_on_drop: false }` [INFO] [stdout] 4cc378e4196fa3b09135803fa59cf254f2b287037bd77529178b2d5c02816087 [INFO] checking Twigiyama/rustgpt_playaround against try#6a5749073f2ebf59d7740d30e50a932a85756ee7 for pr-127655 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTwigiyama%2Frustgpt_playaround" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/Twigiyama/rustgpt_playaround on toolchain 6a5749073f2ebf59d7740d30e50a932a85756ee7 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+6a5749073f2ebf59d7740d30e50a932a85756ee7" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/Twigiyama/rustgpt_playaround [INFO] finished tweaking git repo https://github.com/Twigiyama/rustgpt_playaround [INFO] tweaked toml for git repo https://github.com/Twigiyama/rustgpt_playaround written to /workspace/builds/worker-0-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/Twigiyama/rustgpt_playaround 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" "+6a5749073f2ebf59d7740d30e50a932a85756ee7" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:dff56e7819e73ed36160586b3445e93eb0be776c16704aeeded9c3fb668b2384" "/opt/rustwide/cargo-home/bin/cargo" "+6a5749073f2ebf59d7740d30e50a932a85756ee7" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] f739b84203617837f8bfcf1af4f94ad4afb57a731f4bd68f0a1bcadbd4038651 [INFO] running `Command { std: "docker" "start" "-a" "f739b84203617837f8bfcf1af4f94ad4afb57a731f4bd68f0a1bcadbd4038651", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "f739b84203617837f8bfcf1af4f94ad4afb57a731f4bd68f0a1bcadbd4038651", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f739b84203617837f8bfcf1af4f94ad4afb57a731f4bd68f0a1bcadbd4038651", kill_on_drop: false }` [INFO] [stdout] f739b84203617837f8bfcf1af4f94ad4afb57a731f4bd68f0a1bcadbd4038651 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "-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:dff56e7819e73ed36160586b3445e93eb0be776c16704aeeded9c3fb668b2384" "/opt/rustwide/cargo-home/bin/cargo" "+6a5749073f2ebf59d7740d30e50a932a85756ee7" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] d7fc1f36035b763649a91835b4af6ff6bc9dce96a7cc47aa10f121343128b74b [INFO] running `Command { std: "docker" "start" "-a" "d7fc1f36035b763649a91835b4af6ff6bc9dce96a7cc47aa10f121343128b74b", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.85 [INFO] [stderr] Compiling serde v1.0.203 [INFO] [stderr] Compiling typenum v1.17.0 [INFO] [stderr] Compiling libc v0.2.155 [INFO] [stderr] Checking zeroize v1.8.1 [INFO] [stderr] Compiling autocfg v1.3.0 [INFO] [stderr] Compiling syn v1.0.109 [INFO] [stderr] Compiling equivalent v1.0.1 [INFO] [stderr] Compiling hashbrown v0.14.5 [INFO] [stderr] Checking const-oid v0.9.6 [INFO] [stderr] Checking subtle v2.5.0 [INFO] [stderr] Compiling winnow v0.5.40 [INFO] [stderr] Compiling cc v1.0.98 [INFO] [stderr] Compiling generic-array v0.14.7 [INFO] [stderr] Compiling crunchy v0.2.2 [INFO] [stderr] Compiling thiserror v1.0.61 [INFO] [stderr] Checking itoa v1.0.11 [INFO] [stderr] Checking cpufeatures v0.2.12 [INFO] [stderr] Compiling tiny-keccak v2.0.2 [INFO] [stderr] Checking pin-project-lite v0.2.14 [INFO] [stderr] Checking hex v0.4.3 [INFO] [stderr] Checking byteorder v1.5.0 [INFO] [stderr] Checking der v0.7.9 [INFO] [stderr] Compiling parking_lot_core v0.9.10 [INFO] [stderr] Checking rustc-hex v2.1.0 [INFO] [stderr] Checking byte-slice-cast v1.2.2 [INFO] [stderr] Compiling rustversion v1.0.17 [INFO] [stderr] Compiling rustix v0.38.34 [INFO] [stderr] Compiling lock_api v0.4.12 [INFO] [stderr] Checking smallvec v1.13.2 [INFO] [stderr] Checking arrayvec v0.7.4 [INFO] [stderr] Compiling camino v1.1.7 [INFO] [stderr] Checking futures-core v0.3.30 [INFO] [stderr] Compiling semver v1.0.23 [INFO] [stderr] Compiling num-traits v0.2.19 [INFO] [stderr] Compiling indexmap v2.2.6 [INFO] [stderr] Compiling once_cell v1.19.0 [INFO] [stderr] Checking keccak v0.1.5 [INFO] [stderr] Checking ryu v1.0.18 [INFO] [stderr] Checking bitflags v2.5.0 [INFO] [stderr] Compiling serde_json v1.0.117 [INFO] [stderr] Compiling quote v1.0.36 [INFO] [stderr] Checking static_assertions v1.1.0 [INFO] [stderr] Checking base16ct v0.2.0 [INFO] [stderr] Checking log v0.4.21 [INFO] [stderr] Compiling pkg-config v0.3.30 [INFO] [stderr] Compiling vcpkg v0.2.15 [INFO] [stderr] Compiling heck v0.5.0 [INFO] [stderr] Compiling syn v2.0.66 [INFO] [stderr] Checking getrandom v0.2.15 [INFO] [stderr] Checking rand_core v0.6.4 [INFO] [stderr] Checking mio v0.8.11 [INFO] [stderr] Checking parking_lot v0.12.3 [INFO] [stderr] Checking spki v0.7.3 [INFO] [stderr] Checking rand_chacha v0.3.1 [INFO] [stderr] Checking ff v0.13.0 [INFO] [stderr] Checking num_cpus v1.16.0 [INFO] [stderr] Checking pkcs8 v0.10.2 [INFO] [stderr] Checking group v0.13.0 [INFO] [stderr] Checking signal-hook-registry v1.4.2 [INFO] [stderr] Checking socket2 v0.5.7 [INFO] [stderr] Checking rand v0.8.5 [INFO] [stderr] Compiling slab v0.4.9 [INFO] [stderr] Checking memchr v2.7.2 [INFO] [stderr] Compiling ring v0.17.8 [INFO] [stderr] Checking spin v0.9.8 [INFO] [stderr] Compiling ppv-lite86 v0.2.17 [INFO] [stderr] Checking untrusted v0.9.0 [INFO] [stderr] Checking uint v0.9.5 [INFO] [stderr] Checking crypto-common v0.1.6 [INFO] [stderr] Checking block-buffer v0.10.4 [INFO] [stderr] Checking crypto-bigint v0.5.5 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[INFO] [stderr] Checking ipnet v2.9.0 [INFO] [stderr] Checking sync_wrapper v0.1.2 [INFO] [stderr] Compiling indenter v0.3.3 [INFO] [stderr] Compiling Inflector v0.11.4 [INFO] [stderr] Checking simple_asn1 v0.6.2 [INFO] [stderr] Compiling walkdir v2.5.0 [INFO] [stderr] Checking pem v1.1.1 [INFO] [stderr] Checking tracing v0.1.40 [INFO] [stderr] Compiling async-trait v0.1.80 [INFO] [stderr] Checking salsa20 v0.10.2 [INFO] [stderr] Checking pbkdf2 v0.11.0 [INFO] [stderr] Checking fxhash v0.2.1 [INFO] [stderr] Compiling dunce v1.0.4 [INFO] [stderr] Checking send_wrapper v0.4.0 [INFO] [stderr] Checking hashers v1.0.1 [INFO] [stderr] Checking js-sys v0.3.69 [INFO] [stderr] Checking scrypt v0.10.0 [INFO] [stderr] Checking aes v0.8.4 [INFO] [stderr] Checking ctr v0.9.2 [INFO] [stderr] Checking pbkdf2 v0.12.2 [INFO] [stderr] Checking instant v0.1.13 [INFO] [stderr] Checking futures-locks v0.7.1 [INFO] [stderr] Checking strum v0.26.2 [INFO] [stderr] Checking pin-project v1.1.5 [INFO] [stderr] 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Compiling open-fastrlp-derive v0.1.1 [INFO] [stderr] Checking http-body v0.4.6 [INFO] [stderr] Checking tungstenite v0.20.1 [INFO] [stderr] Checking toml v0.8.14 [INFO] [stderr] Compiling proc-macro-crate v3.1.0 [INFO] [stderr] Compiling parity-scale-codec-derive v3.6.12 [INFO] [stderr] Compiling scale-info-derive v2.11.3 [INFO] [stderr] Compiling num_enum_derive v0.7.2 [INFO] [stderr] Checking num_enum v0.7.2 [INFO] [stderr] Checking parity-scale-codec v3.6.12 [INFO] [stderr] Checking scale-info v2.11.3 [INFO] [stderr] Checking impl-codec v0.6.0 [INFO] [stderr] Checking tokio-util v0.7.11 [INFO] [stderr] Checking tokio-rustls v0.24.1 [INFO] [stderr] Checking tokio-native-tls v0.3.1 [INFO] [stderr] Checking primitive-types v0.12.2 [INFO] [stderr] Checking ethbloom v0.13.0 [INFO] [stderr] Checking tokio-tungstenite v0.20.1 [INFO] [stderr] Checking h2 v0.3.26 [INFO] [stderr] Checking ethereum-types v0.14.1 [INFO] [stderr] Checking ethabi v18.0.0 [INFO] [stderr] Checking open-fastrlp v0.1.4 [INFO] [stderr] Checking ethers-core v2.0.14 [INFO] [stderr] Checking hyper v0.14.29 [INFO] [stderr] Checking hyper-tls v0.5.0 [INFO] [stderr] Checking hyper-rustls v0.24.2 [INFO] [stderr] Checking reqwest v0.11.27 [INFO] [stderr] Checking ethers-contract-abigen v2.0.14 [INFO] [stderr] Checking ethers-providers v2.0.14 [INFO] [stderr] Checking ethers-signers v2.0.14 [INFO] [stderr] Checking ethers-etherscan v2.0.14 [INFO] [stderr] Checking ethers-addressbook v2.0.14 [INFO] [stderr] Compiling ethers-contract-derive v2.0.14 [INFO] [stderr] Checking ethers-contract v2.0.14 [INFO] [stderr] Checking ethers-middleware v2.0.14 [INFO] [stderr] Checking ethers v2.0.14 [INFO] [stderr] Checking playaround v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `super::*` [INFO] [stdout] --> src/m3_enums.rs:60:9 [INFO] [stdout] | [INFO] [stdout] 60 | use super::*; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `super::*` [INFO] [stdout] --> src/m4_polymorphism.rs:30:9 [INFO] [stdout] | [INFO] [stdout] 30 | use super::*; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `os::unix::process` and `panic::Location` [INFO] [stdout] --> src/m6_patterns.rs:1:11 [INFO] [stdout] | [INFO] [stdout] 1 | use std::{os::unix::process, panic::Location}; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `XofReader`, `core_api::BlockSizeUser`, and `utils::hex::ToHexExt` [INFO] [stdout] --> src/m6_patterns.rs:3:41 [INFO] [stdout] | [INFO] [stdout] 3 | use ethers::{core::k256::sha2::digest::{core_api::BlockSizeUser, XofReader}, utils::hex::ToHexExt}; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ ^^^^^^^^^ ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `super::*` [INFO] [stdout] --> src/m6_patterns.rs:35:9 [INFO] [stdout] | [INFO] [stdout] 35 | use super::*; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around function argument [INFO] [stdout] --> src/m6_patterns.rs:43:56 [INFO] [stdout] | [INFO] [stdout] 43 | let my_colour: Message = Message::ChangeColour((212), (134), (98)); [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 43 - let my_colour: Message = Message::ChangeColour((212), (134), (98)); [INFO] [stdout] 43 + let my_colour: Message = Message::ChangeColour(212, (134), (98)); [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around function argument [INFO] [stdout] --> src/m6_patterns.rs:43:63 [INFO] [stdout] | [INFO] [stdout] 43 | let my_colour: Message = Message::ChangeColour((212), (134), (98)); [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 43 - let my_colour: Message = Message::ChangeColour((212), (134), (98)); [INFO] [stdout] 43 + let my_colour: Message = Message::ChangeColour((212), 134, (98)); [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around function argument [INFO] [stdout] --> src/m6_patterns.rs:43:70 [INFO] [stdout] | [INFO] [stdout] 43 | let my_colour: Message = Message::ChangeColour((212), (134), (98)); [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 43 - let my_colour: Message = Message::ChangeColour((212), (134), (98)); [INFO] [stdout] 43 + let my_colour: Message = Message::ChangeColour((212), (134), 98); [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `super::*` [INFO] [stdout] --> src/m9_declarative_macros.rs:32:9 [INFO] [stdout] | [INFO] [stdout] 32 | use super::*; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `os::unix::process` and `panic::Location` [INFO] [stdout] --> src/m6_patterns.rs:1:11 [INFO] [stdout] | [INFO] [stdout] 1 | use std::{os::unix::process, panic::Location}; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ ^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `XofReader`, `core_api::BlockSizeUser`, and `utils::hex::ToHexExt` [INFO] [stdout] --> src/m6_patterns.rs:3:41 [INFO] [stdout] | [INFO] [stdout] 3 | use ethers::{core::k256::sha2::digest::{core_api::BlockSizeUser, XofReader}, utils::hex::ToHexExt}; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ ^^^^^^^^^ ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `HashMap` and `HashSet` [INFO] [stdout] --> src/m8_collections.rs:2:25 [INFO] [stdout] | [INFO] [stdout] 2 | use std::collections:: {HashMap, HashSet}; [INFO] [stdout] | ^^^^^^^ ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `bungle` [INFO] [stdout] --> src/main.rs:41:9 [INFO] [stdout] | [INFO] [stdout] 41 | let bungle = "Bungle"; [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_bungle` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `mumble` [INFO] [stdout] --> src/main.rs:42:9 [INFO] [stdout] | [INFO] [stdout] 42 | let mumble: String = String::from("Mumble"); [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_mumble` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `longest` is never used [INFO] [stdout] --> src/main.rs:33:8 [INFO] [stdout] | [INFO] [stdout] 33 | fn longest<'a>(first_string: &'a str, second_string: &'a str) -> &'a str { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: enum `CarColour` is never used [INFO] [stdout] --> src/m1_enums.rs:2:6 [INFO] [stdout] | [INFO] [stdout] 2 | enum CarColour { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: enum `GivenResult` is never used [INFO] [stdout] --> src/m1_enums.rs:10:6 [INFO] [stdout] | [INFO] [stdout] 10 | enum GivenResult { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: enum `GivenOption` is never used [INFO] [stdout] --> src/m1_enums.rs:16:6 [INFO] [stdout] | [INFO] [stdout] 16 | enum GivenOption { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `create_car_colour_mauve` is never used [INFO] [stdout] --> src/m1_enums.rs:21:4 [INFO] [stdout] | [INFO] [stdout] 21 | fn create_car_colour_mauve() -> CarColour { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `check_under_five` is never used [INFO] [stdout] --> src/m1_enums.rs:26:4 [INFO] [stdout] | [INFO] [stdout] 26 | fn check_under_five(num_check: u8) -> GivenResult { [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `check_under_five_builtin` is never used [INFO] [stdout] --> src/m1_enums.rs:34:4 [INFO] [stdout] | [INFO] [stdout] 34 | fn check_under_five_builtin(num_check: u8) -> Result { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `remainder_zero` is never used [INFO] [stdout] --> src/m1_enums.rs:42:4 [INFO] [stdout] | [INFO] [stdout] 42 | fn remainder_zero(num_check: f32) -> GivenOption { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `remainder_zero_builtin` is never used [INFO] [stdout] --> src/m1_enums.rs:51:4 [INFO] [stdout] | [INFO] [stdout] 51 | fn remainder_zero_builtin(num_check: f32) -> Option { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `User` is never constructed [INFO] [stdout] --> src/m2_structs.rs:2:8 [INFO] [stdout] | [INFO] [stdout] 2 | struct User { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: methods `increment_signin_count`, `new_email`, and `change_username` are never used [INFO] [stdout] --> src/m2_structs.rs:10:8 [INFO] [stdout] | [INFO] [stdout] 9 | impl User { [INFO] [stdout] | --------- methods in this implementation [INFO] [stdout] 10 | fn increment_signin_count(&mut self) { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 14 | fn new_email(&mut self, new_email: &str) { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 17 | fn change_username(&mut self, new_username: &str) { [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait `Attacker` is never used [INFO] [stdout] --> src/m3_enums.rs:1:7 [INFO] [stdout] | [INFO] [stdout] 1 | trait Attacker { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: enum `Fighter` is never used [INFO] [stdout] --> src/m3_enums.rs:7:6 [INFO] [stdout] | [INFO] [stdout] 7 | enum Fighter { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: enum `Criminal` is never used [INFO] [stdout] --> src/m3_enums.rs:34:6 [INFO] [stdout] | [INFO] [stdout] 34 | enum Criminal { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait `EthereumAddress` is never used [INFO] [stdout] --> src/m4_polymorphism.rs:5:7 [INFO] [stdout] | [INFO] [stdout] 5 | trait EthereumAddress { [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `get_ethereum_data` is never used [INFO] [stdout] --> src/m4_polymorphism.rs:23:4 [INFO] [stdout] | [INFO] [stdout] 23 | fn get_ethereum_data(address: T) -> Address { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `name` is never read [INFO] [stdout] --> src/m5_lifetimes.rs:106:5 [INFO] [stdout] | [INFO] [stdout] 105 | struct Person<'a> { [INFO] [stdout] | ------ field in this struct [INFO] [stdout] 106 | name: &'a str, [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: enum `Message` is never used [INFO] [stdout] --> src/m6_patterns.rs:5:6 [INFO] [stdout] | [INFO] [stdout] 5 | enum Message { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `process_message` is never used [INFO] [stdout] --> src/m6_patterns.rs:12:4 [INFO] [stdout] | [INFO] [stdout] 12 | fn process_message(msg: Message) { [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `my_async_call` is never used [INFO] [stdout] --> src/m7_sync.rs:3:10 [INFO] [stdout] | [INFO] [stdout] 3 | async fn my_async_call(url: &str) -> Result { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `prob_none` [INFO] [stdout] --> src/m6_patterns.rs:71:13 [INFO] [stdout] | [INFO] [stdout] 71 | let prob_none: Option = None; [INFO] [stdout] | ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_prob_none` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 25 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `some_eror` [INFO] [stdout] --> src/m6_patterns.rs:96:13 [INFO] [stdout] | [INFO] [stdout] 96 | let some_eror: Result = Err("There was an error"); [INFO] [stdout] | ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_some_eror` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `y` [INFO] [stdout] --> src/m6_patterns.rs:135:27 [INFO] [stdout] | [INFO] [stdout] 135 | Location { x, y } if x == 0 => println!("The location is on the y-axis"), [INFO] [stdout] | ^ help: try ignoring the field: `y: _` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `x` [INFO] [stdout] --> src/m6_patterns.rs:136:24 [INFO] [stdout] | [INFO] [stdout] 136 | Location { x, y } if y == 0 => println!("The location is on the x-axis"), [INFO] [stdout] | ^ help: try ignoring the field: `x: _` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/m9_declarative_macros.rs:51:21 [INFO] [stdout] | [INFO] [stdout] 51 | let mut temp_vec = Vec::new(); [INFO] [stdout] | ----^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] ... [INFO] [stdout] 68 | let y: Vec = my_vec!(); [INFO] [stdout] | --------- in this macro invocation [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] = note: this warning originates in the macro `my_vec` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `bungle` [INFO] [stdout] --> src/main.rs:41:9 [INFO] [stdout] | [INFO] [stdout] 41 | let bungle = "Bungle"; [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_bungle` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `mumble` [INFO] [stdout] --> src/main.rs:42:9 [INFO] [stdout] | [INFO] [stdout] 42 | let mumble: String = String::from("Mumble"); [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_mumble` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variants `Red`, `Green`, and `Cyan` are never constructed [INFO] [stdout] --> src/m1_enums.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 2 | enum CarColour { [INFO] [stdout] | --------- variants in this enum [INFO] [stdout] 3 | Red, [INFO] [stdout] | ^^^ [INFO] [stdout] 4 | Green, [INFO] [stdout] | ^^^^^ [INFO] [stdout] 5 | Mauve, [INFO] [stdout] 6 | Cyan, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `CarColour` has a derived impl for the trait `Debug`, 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 `active` is never read [INFO] [stdout] --> src/m2_structs.rs:6:5 [INFO] [stdout] | [INFO] [stdout] 2 | struct User { [INFO] [stdout] | ---- field in this struct [INFO] [stdout] ... [INFO] [stdout] 6 | active: bool, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `User` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `choose_weapon` is never used [INFO] [stdout] --> src/m3_enums.rs:3:8 [INFO] [stdout] | [INFO] [stdout] 1 | trait Attacker { [INFO] [stdout] | -------- method in this trait [INFO] [stdout] 2 | fn choose_style(&self) -> String; [INFO] [stdout] 3 | fn choose_weapon(&self) -> String; [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `name` is never read [INFO] [stdout] --> src/m5_lifetimes.rs:106:5 [INFO] [stdout] | [INFO] [stdout] 105 | struct Person<'a> { [INFO] [stdout] | ------ field in this struct [INFO] [stdout] 106 | name: &'a str, [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/m1_enums.rs:76:9 [INFO] [stdout] | [INFO] [stdout] 76 | dbg!(is_under_five_builtin); [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] = note: this warning originates in the macro `dbg` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 21 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 55.12s [INFO] running `Command { std: "docker" "inspect" "d7fc1f36035b763649a91835b4af6ff6bc9dce96a7cc47aa10f121343128b74b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d7fc1f36035b763649a91835b4af6ff6bc9dce96a7cc47aa10f121343128b74b", kill_on_drop: false }` [INFO] [stdout] d7fc1f36035b763649a91835b4af6ff6bc9dce96a7cc47aa10f121343128b74b