[INFO] cloning repository https://github.com/Legend101Zz/rust-bot
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Legend101Zz/rust-bot" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLegend101Zz%2Frust-bot", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLegend101Zz%2Frust-bot'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 00cd374209285847dc2861af717d47b913038ad4
[INFO] checking Legend101Zz/rust-bot against master#c2f2db79ca3024f68d22b45aa22b570775c2c4ad for pr-124157
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLegend101Zz%2Frust-bot" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Legend101Zz/rust-bot on toolchain c2f2db79ca3024f68d22b45aa22b570775c2c4ad
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2f2db79ca3024f68d22b45aa22b570775c2c4ad" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Legend101Zz/rust-bot
[INFO] finished tweaking git repo https://github.com/Legend101Zz/rust-bot
[INFO] tweaked toml for git repo https://github.com/Legend101Zz/rust-bot written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/Legend101Zz/rust-bot 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" "+c2f2db79ca3024f68d22b45aa22b570775c2c4ad" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded ethers v2.0.10
[INFO] [stderr]   Downloaded ethers-addressbook v2.0.10
[INFO] [stderr]   Downloaded parity-scale-codec-derive v3.6.5
[INFO] [stderr]   Downloaded const-hex v1.9.1
[INFO] [stderr]   Downloaded ethers-contract-derive v2.0.10
[INFO] [stderr]   Downloaded enr v0.9.1
[INFO] [stderr]   Downloaded ethers-signers v2.0.10
[INFO] [stderr]   Downloaded ethers-contract-abigen v2.0.10
[INFO] [stderr]   Downloaded elliptic-curve v0.13.6
[INFO] [stderr]   Downloaded ethers-providers v2.0.10
[INFO] [stderr]   Downloaded ethers-solc v2.0.10
[INFO] [stderr]   Downloaded winnow v0.5.16
[INFO] [stderr]   Downloaded solang-parser v0.3.2
[INFO] [stderr]   Downloaded ethers-contract v2.0.10
[INFO] [stderr]   Downloaded ethers-etherscan v2.0.10
[INFO] [stderr]   Downloaded ethers-middleware v2.0.10
[INFO] [stderr]   Downloaded cargo-platform v0.1.4
[INFO] [stderr]   Downloaded linux-raw-sys v0.4.9
[INFO] [stderr]   Downloaded parity-scale-codec v3.6.5
[INFO] [stderr]   Downloaded ethers-core v2.0.10
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:99613afd962a8cfa530ec1899472a458bd015a1ab0af876cf7eb06f6006d81ea" "/opt/rustwide/cargo-home/bin/cargo" "+c2f2db79ca3024f68d22b45aa22b570775c2c4ad" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 64f9c5d6986d2dfdc48d22166b17dd2bfd4a5ae83c1b661bd65de79732281e18
[INFO] running `Command { std: "docker" "start" "-a" "64f9c5d6986d2dfdc48d22166b17dd2bfd4a5ae83c1b661bd65de79732281e18", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "64f9c5d6986d2dfdc48d22166b17dd2bfd4a5ae83c1b661bd65de79732281e18", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "64f9c5d6986d2dfdc48d22166b17dd2bfd4a5ae83c1b661bd65de79732281e18", kill_on_drop: false }`
[INFO] [stdout] 64f9c5d6986d2dfdc48d22166b17dd2bfd4a5ae83c1b661bd65de79732281e18
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:99613afd962a8cfa530ec1899472a458bd015a1ab0af876cf7eb06f6006d81ea" "/opt/rustwide/cargo-home/bin/cargo" "+c2f2db79ca3024f68d22b45aa22b570775c2c4ad" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] def170824f1df33eb8ef82121cda5de699fb929348a27c4752441ae26e3ed131
[INFO] running `Command { std: "docker" "start" "-a" "def170824f1df33eb8ef82121cda5de699fb929348a27c4752441ae26e3ed131", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.68
[INFO] [stderr]    Compiling unicode-ident v1.0.12
[INFO] [stderr]    Compiling serde v1.0.188
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]    Compiling typenum v1.17.0
[INFO] [stderr]    Compiling libc v0.2.148
[INFO] [stderr]     Checking zeroize v1.6.0
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling once_cell v1.18.0
[INFO] [stderr]    Compiling equivalent v1.0.1
[INFO] [stderr]    Compiling hashbrown v0.14.1
[INFO] [stderr]     Checking subtle v2.5.0
[INFO] [stderr]     Checking const-oid v0.9.5
[INFO] [stderr]    Compiling winnow v0.5.16
[INFO] [stderr]    Compiling crunchy v0.2.2
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling thiserror v1.0.49
[INFO] [stderr]     Checking itoa v1.0.9
[INFO] [stderr]     Checking cpufeatures v0.2.9
[INFO] [stderr]    Compiling tiny-keccak v2.0.2
[INFO] [stderr]     Checking ppv-lite86 v0.2.17
[INFO] [stderr]     Checking pin-project-lite v0.2.13
[INFO] [stderr]     Checking hex v0.4.3
[INFO] [stderr]     Checking byteorder v1.5.0
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]    Compiling futures-core v0.3.28
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]     Checking der v0.7.8
[INFO] [stderr]    Compiling lock_api v0.4.10
[INFO] [stderr]     Checking rustc-hex v2.1.0
[INFO] [stderr]    Compiling parking_lot_core v0.9.8
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling semver v1.0.19
[INFO] [stderr]     Checking byte-slice-cast v1.2.2
[INFO] [stderr]     Checking smallvec v1.11.1
[INFO] [stderr]    Compiling camino v1.1.6
[INFO] [stderr]    Compiling rustversion v1.0.14
[INFO] [stderr]    Compiling indexmap v2.0.2
[INFO] [stderr]     Checking arrayvec v0.7.4
[INFO] [stderr]     Checking scopeguard v1.2.0
[INFO] [stderr]    Compiling rustix v0.38.17
[INFO] [stderr]    Compiling quote v1.0.33
[INFO] [stderr]    Compiling num-traits v0.2.17
[INFO] [stderr]     Checking bitflags v2.4.0
[INFO] [stderr]    Compiling serde_json v1.0.107
[INFO] [stderr]     Checking ryu v1.0.15
[INFO] [stderr]    Compiling syn v2.0.38
[INFO] [stderr]    Compiling cc v1.0.83
[INFO] [stderr]     Checking getrandom v0.2.10
[INFO] [stderr]     Checking keccak v0.1.4
[INFO] [stderr]     Checking base16ct v0.2.0
[INFO] [stderr]     Checking static_assertions v1.1.0
[INFO] [stderr]     Checking signal-hook-registry v1.4.1
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking parking_lot v0.12.1
[INFO] [stderr]     Checking socket2 v0.5.4
[INFO] [stderr]     Checking num_cpus v1.16.0
[INFO] [stderr]     Checking mio v0.8.8
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking ff v0.13.0
[INFO] [stderr]     Checking spki v0.7.2
[INFO] [stderr]     Checking spin v0.5.2
[INFO] [stderr]    Compiling heck v0.4.1
[INFO] [stderr]     Checking group v0.13.0
[INFO] [stderr]    Compiling vcpkg v0.2.15
[INFO] [stderr]     Checking pkcs8 v0.10.2
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]    Compiling futures-task v0.3.28
[INFO] [stderr]     Checking untrusted v0.7.1
[INFO] [stderr]    Compiling pkg-config v0.3.27
[INFO] [stderr]     Checking log v0.4.20
[INFO] [stderr]     Checking tracing-core v0.1.31
[INFO] [stderr]    Compiling slab v0.4.9
[INFO] [stderr]     Checking fnv v1.0.7
[INFO] [stderr]     Checking crypto-common v0.1.6
[INFO] [stderr]     Checking block-buffer v0.10.4
[INFO] [stderr]     Checking crypto-bigint v0.5.3
[INFO] [stderr]     Checking sec1 v0.7.3
[INFO] [stderr]     Checking memchr v2.6.4
[INFO] [stderr]    Compiling futures-channel v0.3.28
[INFO] [stderr]     Checking digest v0.10.7
[INFO] [stderr]     Checking uint v0.9.5
[INFO] [stderr]     Checking hmac v0.12.1
[INFO] [stderr]     Checking sha2 v0.10.8
[INFO] [stderr]     Checking sha3 v0.10.8
[INFO] [stderr]     Checking signature v2.1.0
[INFO] [stderr]     Checking fixed-hash v0.8.0
[INFO] [stderr]    Compiling futures-util v0.3.28
[INFO] [stderr]     Checking rfc6979 v0.4.0
[INFO] [stderr]    Compiling httparse v1.8.0
[INFO] [stderr]    Compiling wasm-bindgen-shared v0.2.87
[INFO] [stderr]     Checking regex-syntax v0.7.5
[INFO] [stderr]     Checking futures-sink v0.3.28
[INFO] [stderr]     Checking base64 v0.21.4
[INFO] [stderr]    Compiling ring v0.16.20
[INFO] [stderr]    Compiling openssl-sys v0.9.93
[INFO] [stderr]     Checking aho-corasick v1.1.1
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]     Checking tinyvec_macros v0.1.1
[INFO] [stderr]    Compiling rustls v0.21.7
[INFO] [stderr]     Checking pin-utils v0.1.0
[INFO] [stderr]     Checking tinyvec v1.6.0
[INFO] [stderr]     Checking linux-raw-sys v0.4.9
[INFO] [stderr]     Checking hashbrown v0.12.3
[INFO] [stderr]    Compiling openssl v0.10.57
[INFO] [stderr]     Checking foreign-types-shared v0.1.1
[INFO] [stderr]    Compiling bumpalo v3.14.0
[INFO] [stderr]     Checking percent-encoding v2.3.0
[INFO] [stderr]     Checking form_urlencoded v1.2.0
[INFO] [stderr]     Checking foreign-types v0.3.2
[INFO] [stderr]    Compiling native-tls v0.2.11
[INFO] [stderr]     Checking unicode-normalization v0.1.22
[INFO] [stderr]     Checking try-lock v0.2.4
[INFO] [stderr]     Checking fastrand v2.0.1
[INFO] [stderr]     Checking elliptic-curve v0.13.6
[INFO] [stderr]     Checking unicode-bidi v0.3.13
[INFO] [stderr]     Checking want v0.3.1
[INFO] [stderr]     Checking chrono v0.4.31
[INFO] [stderr]     Checking ecdsa v0.16.8
[INFO] [stderr]     Checking idna v0.4.0
[INFO] [stderr]     Checking inout v0.1.3
[INFO] [stderr]     Checking socket2 v0.4.9
[INFO] [stderr]     Checking const-hex v1.9.1
[INFO] [stderr]     Checking regex-automata v0.3.9
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]     Checking k256 v0.13.1
[INFO] [stderr]     Checking unicode-xid v0.2.4
[INFO] [stderr]    Compiling wasm-bindgen v0.2.87
[INFO] [stderr]     Checking tower-service v0.3.2
[INFO] [stderr]     Checking httpdate v1.0.3
[INFO] [stderr]    Compiling prettyplease v0.2.15
[INFO] [stderr]     Checking openssl-probe v0.1.5
[INFO] [stderr]    Compiling eyre v0.6.8
[INFO] [stderr]     Checking url v2.4.1
[INFO] [stderr]     Checking cipher v0.4.4
[INFO] [stderr]     Checking tempfile v3.8.0
[INFO] [stderr]    Compiling num-bigint v0.4.4
[INFO] [stderr]    Compiling time-core v0.1.2
[INFO] [stderr]    Compiling time-macros v0.2.15
[INFO] [stderr]    Compiling wasm-bindgen-backend v0.2.87
[INFO] [stderr]    Compiling radium v0.7.0
[INFO] [stderr]    Compiling async-trait v0.1.73
[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/c2f2db79ca3024f68d22b45aa22b570775c2c4ad/bin/rustc --crate-name syn --edition=2018 /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/syn-1.0.109/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="fold"' --cfg 'feature="full"' --cfg 'feature="parsing"' --cfg 'feature="printing"' --cfg 'feature="proc-macro"' --cfg 'feature="quote"' --cfg 'feature="visit"' --cfg 'feature="visit-mut"' -C metadata=93648a798a3fe95d -C extra-filename=-93648a798a3fe95d --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-b42c6f6c05f04457.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-d0d5cccf42f2b419.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" "def170824f1df33eb8ef82121cda5de699fb929348a27c4752441ae26e3ed131", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "def170824f1df33eb8ef82121cda5de699fb929348a27c4752441ae26e3ed131", kill_on_drop: false }`
[INFO] [stdout] def170824f1df33eb8ef82121cda5de699fb929348a27c4752441ae26e3ed131
[INFO] checking Legend101Zz/rust-bot against try#9c7b5f5b6b8ec32bbbcf9f07fc0e5208da6c5f88 for pr-124157
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLegend101Zz%2Frust-bot" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Legend101Zz/rust-bot on toolchain 9c7b5f5b6b8ec32bbbcf9f07fc0e5208da6c5f88
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9c7b5f5b6b8ec32bbbcf9f07fc0e5208da6c5f88" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Legend101Zz/rust-bot
[INFO] finished tweaking git repo https://github.com/Legend101Zz/rust-bot
[INFO] tweaked toml for git repo https://github.com/Legend101Zz/rust-bot written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/Legend101Zz/rust-bot 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" "+9c7b5f5b6b8ec32bbbcf9f07fc0e5208da6c5f88" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:99613afd962a8cfa530ec1899472a458bd015a1ab0af876cf7eb06f6006d81ea" "/opt/rustwide/cargo-home/bin/cargo" "+9c7b5f5b6b8ec32bbbcf9f07fc0e5208da6c5f88" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b7e91ade7eca89d007c5fb8bad32b196d68fa97365178feb8c9ceef3095f2da0
[INFO] running `Command { std: "docker" "start" "-a" "b7e91ade7eca89d007c5fb8bad32b196d68fa97365178feb8c9ceef3095f2da0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b7e91ade7eca89d007c5fb8bad32b196d68fa97365178feb8c9ceef3095f2da0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b7e91ade7eca89d007c5fb8bad32b196d68fa97365178feb8c9ceef3095f2da0", kill_on_drop: false }`
[INFO] [stdout] b7e91ade7eca89d007c5fb8bad32b196d68fa97365178feb8c9ceef3095f2da0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:99613afd962a8cfa530ec1899472a458bd015a1ab0af876cf7eb06f6006d81ea" "/opt/rustwide/cargo-home/bin/cargo" "+9c7b5f5b6b8ec32bbbcf9f07fc0e5208da6c5f88" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b90e85445fd9abaa2f3e4d23536b9a3d34a3d0298bb6e6661d74df9099e2d8f8
[INFO] running `Command { std: "docker" "start" "-a" "b90e85445fd9abaa2f3e4d23536b9a3d34a3d0298bb6e6661d74df9099e2d8f8", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.68
[INFO] [stderr]    Compiling unicode-ident v1.0.12
[INFO] [stderr]    Compiling serde v1.0.188
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]    Compiling typenum v1.17.0
[INFO] [stderr]    Compiling libc v0.2.148
[INFO] [stderr]     Checking zeroize v1.6.0
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling once_cell v1.18.0
[INFO] [stderr]    Compiling hashbrown v0.14.1
[INFO] [stderr]    Compiling equivalent v1.0.1
[INFO] [stderr]     Checking const-oid v0.9.5
[INFO] [stderr]     Checking subtle v2.5.0
[INFO] [stderr]    Compiling winnow v0.5.16
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[INFO] [stdout] warning: type `linked_list` should have an upper camel case name
[INFO] [stdout]  --> src/m12_linked_list.rs:2:8
[INFO] [stdout]   |
[INFO] [stdout] 2 | struct linked_list {
[INFO] [stdout]   |        ^^^^^^^^^^^ help: convert the identifier to upper camel case: `LinkedList`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `pointer` should have an upper camel case name
[INFO] [stdout]   --> src/m12_linked_list.rs:12:6
[INFO] [stdout]    |
[INFO] [stdout] 12 | type pointer = Option<Box<Node>>;
[INFO] [stdout]    |      ^^^^^^^ help: convert the identifier to upper camel case: `Pointer`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Cons`, `Nil`
[INFO] [stdout]  --> src/m12_reference_counting_pointer.rs:8:12
[INFO] [stdout]   |
[INFO] [stdout] 8 | use List::{Cons, Nil};
[INFO] [stdout]   |            ^^^^  ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused macro definition: `mad_skills`
[INFO] [stdout]  --> src/m14_macros.rs:1:14
[INFO] [stdout]   |
[INFO] [stdout] 1 | macro_rules! mad_skills {
[INFO] [stdout]   |              ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_macros)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused macro definition: `string_concat`
[INFO] [stdout]   --> src/m14_macros.rs:14:14
[INFO] [stdout]    |
[INFO] [stdout] 14 | macro_rules! string_concat {
[INFO] [stdout]    |              ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused macro definition: `input`
[INFO] [stdout]   --> src/m14_macros.rs:25:14
[INFO] [stdout]    |
[INFO] [stdout] 25 | macro_rules! input {
[INFO] [stdout]    |              ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused macro definition: `my_vec`
[INFO] [stdout]   --> src/m14_macros.rs:38:14
[INFO] [stdout]    |
[INFO] [stdout] 38 | macro_rules! my_vec {
[INFO] [stdout]    |              ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `HashMap`, `HashSet`
[INFO] [stdout]  --> src/m8_collections.rs:1:24
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::collections::{HashMap, HashSet};
[INFO] [stdout]   |                        ^^^^^^^  ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `List::Cons`
[INFO] [stdout]   --> src/m11_custom_smart_pointers.rs:95:9
[INFO] [stdout]    |
[INFO] [stdout] 95 |     use List::Cons;
[INFO] [stdout]    |         ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `linked_list` should have an upper camel case name
[INFO] [stdout]  --> src/m12_linked_list.rs:2:8
[INFO] [stdout]   |
[INFO] [stdout] 2 | struct linked_list {
[INFO] [stdout]   |        ^^^^^^^^^^^ help: convert the identifier to upper camel case: `LinkedList`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `pointer` should have an upper camel case name
[INFO] [stdout]   --> src/m12_linked_list.rs:12:6
[INFO] [stdout]    |
[INFO] [stdout] 12 | type pointer = Option<Box<Node>>;
[INFO] [stdout]    |      ^^^^^^^ help: convert the identifier to upper camel case: `Pointer`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused macro definition: `input`
[INFO] [stdout]   --> src/m14_macros.rs:25:14
[INFO] [stdout]    |
[INFO] [stdout] 25 | macro_rules! input {
[INFO] [stdout]    |              ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_macros)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]   --> src/m14_macros.rs:20:38
[INFO] [stdout]    |
[INFO] [stdout] 20 |     $(temp_str.push_str($some_str);)*;
[INFO] [stdout]    |                                      ^ help: remove this semicolon
[INFO] [stdout] ...
[INFO] [stdout] 72 |         let str_null = string_concat!();
[INFO] [stdout]    |                        ---------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stdout]    = note: this warning originates in the macro `string_concat` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]   --> src/m14_macros.rs:20:38
[INFO] [stdout]    |
[INFO] [stdout] 20 |     $(temp_str.push_str($some_str);)*;
[INFO] [stdout]    |                                      ^ help: remove this semicolon
[INFO] [stdout] ...
[INFO] [stdout] 73 |         let str_single = string_concat!("First");
[INFO] [stdout]    |                          ----------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `string_concat` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]   --> src/m14_macros.rs:20:38
[INFO] [stdout]    |
[INFO] [stdout] 20 |     $(temp_str.push_str($some_str);)*;
[INFO] [stdout]    |                                      ^ help: remove this semicolon
[INFO] [stdout] ...
[INFO] [stdout] 75 |         let str_multiple = string_concat!("Firts","Second");
[INFO] [stdout]    |                            -------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `string_concat` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `ethers::types::Res`
[INFO] [stdout]   --> src/m7_async.rs:19:9
[INFO] [stdout]    |
[INFO] [stdout] 19 |     use ethers::types::Res;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `alice_check`
[INFO] [stdout]   --> src/m5_lifetimes.rs:19:13
[INFO] [stdout]    |
[INFO] [stdout] 19 |         let alice_check = largest(&check_ag, alice.points);
[INFO] [stdout]    |             ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_alice_check`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `travel_1`
[INFO] [stdout]   --> src/m9_mods.rs:10:9
[INFO] [stdout]    |
[INFO] [stdout] 10 |     let travel_1 = travel_history::Conveyance::Car;
[INFO] [stdout]    |         ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_travel_1`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `travel_2`
[INFO] [stdout]   --> src/m9_mods.rs:12:9
[INFO] [stdout]    |
[INFO] [stdout] 12 |     let travel_2 = travel_history::Conveyance::Air;
[INFO] [stdout]    |         ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_travel_2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `area_rect1`
[INFO] [stdout]   --> src/main.rs:99:9
[INFO] [stdout]    |
[INFO] [stdout] 99 |     let area_rect1 = math_funcs::rect_area(&rect1.length, &rect1.width);
[INFO] [stdout]    |         ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_area_rect1`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:79:9
[INFO] [stdout]    |
[INFO] [stdout] 79 |     let mut f = min;
[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: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:80:9
[INFO] [stdout]    |
[INFO] [stdout] 80 |     let mut m = max;
[INFO] [stdout]    |         ----^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `List` is never used
[INFO] [stdout]  --> src/m10_smart_pointers.rs:2:6
[INFO] [stdout]   |
[INFO] [stdout] 2 | enum List {
[INFO] [stdout]   |      ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `List` is never used
[INFO] [stdout]   --> src/m11_custom_smart_pointers.rs:61:6
[INFO] [stdout]    |
[INFO] [stdout] 61 | enum List {
[INFO] [stdout]    |      ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `MySmartPointer` is never constructed
[INFO] [stdout]   --> src/m11_custom_smart_pointers.rs:65:8
[INFO] [stdout]    |
[INFO] [stdout] 65 | struct MySmartPointer<T: std::fmt::Debug> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/m11_custom_smart_pointers.rs:70:8
[INFO] [stdout]    |
[INFO] [stdout] 69 | impl<T: std::fmt::Debug> MySmartPointer<T> {
[INFO] [stdout]    | ------------------------------------------ associated function in this implementation
[INFO] [stdout] 70 |     fn new(x: T) -> MySmartPointer<T> {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `my_fn` is never used
[INFO] [stdout]   --> src/m11_custom_smart_pointers.rs:88:4
[INFO] [stdout]    |
[INFO] [stdout] 88 | fn my_fn(str: &str) {
[INFO] [stdout]    |    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `linked_list` is never constructed
[INFO] [stdout]  --> src/m12_linked_list.rs:2:8
[INFO] [stdout]   |
[INFO] [stdout] 2 | struct linked_list {
[INFO] [stdout]   |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Node` is never constructed
[INFO] [stdout]  --> src/m12_linked_list.rs:7:8
[INFO] [stdout]   |
[INFO] [stdout] 7 | struct Node {
[INFO] [stdout]   |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `pointer` is never used
[INFO] [stdout]   --> src/m12_linked_list.rs:12:6
[INFO] [stdout]    |
[INFO] [stdout] 12 | type pointer = Option<Box<Node>>;
[INFO] [stdout]    |      ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `create_empty_list`, `add`, and `remove` are never used
[INFO] [stdout]   --> src/m12_linked_list.rs:15:8
[INFO] [stdout]    |
[INFO] [stdout] 14 | impl linked_list {
[INFO] [stdout]    | ---------------- associated items in this implementation
[INFO] [stdout] 15 |     fn create_empty_list() -> linked_list {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 19 |     fn add(&mut self, element: i32) {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 41 |     fn remove(&mut self) -> Option<i32> {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `List` is never used
[INFO] [stdout]  --> src/m12_reference_counting_pointer.rs:3:6
[INFO] [stdout]   |
[INFO] [stdout] 3 | enum List {
[INFO] [stdout]   |      ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `List` is never constructed
[INFO] [stdout]  --> src/m13_double_linked_list.rs:4:8
[INFO] [stdout]   |
[INFO] [stdout] 4 | struct List<T> {
[INFO] [stdout]   |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Node` is never constructed
[INFO] [stdout]  --> src/m13_double_linked_list.rs:9:8
[INFO] [stdout]   |
[INFO] [stdout] 9 | struct Node<T> {
[INFO] [stdout]   |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `Pointer` is never used
[INFO] [stdout]   --> src/m13_double_linked_list.rs:15:6
[INFO] [stdout]    |
[INFO] [stdout] 15 | type Pointer<T> = Option<Rc<RefCell<Node<T>>>>;
[INFO] [stdout]    |      ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/m13_double_linked_list.rs:18:8
[INFO] [stdout]    |
[INFO] [stdout] 17 | impl<T: std::fmt::Display> Node<T> {
[INFO] [stdout]    | ---------------------------------- associated function in this implementation
[INFO] [stdout] 18 |     fn new(element: T) -> Rc<RefCell<Node<T>>> {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new` and `push_front` are never used
[INFO] [stdout]   --> src/m13_double_linked_list.rs:28:8
[INFO] [stdout]    |
[INFO] [stdout] 27 | impl<T: std::fmt::Display> List<T> {
[INFO] [stdout]    | ---------------------------------- associated items in this implementation
[INFO] [stdout] 28 |     fn new() -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 35 |     fn push_front(&mut self, element: T) {
[INFO] [stdout]    |        ^^^^^^^^^^
[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<T, E> {
[INFO] [stdout]    |      ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `GivenOptions` is never used
[INFO] [stdout]   --> src/m1_enums.rs:17:6
[INFO] [stdout]    |
[INFO] [stdout] 17 | enum GivenOptions<T> {
[INFO] [stdout]    |      ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Conveyance` is never used
[INFO] [stdout]   --> src/m1_enums.rs:24:6
[INFO] [stdout]    |
[INFO] [stdout] 24 | enum Conveyance {
[INFO] [stdout]    |      ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `travel_allowance` is never used
[INFO] [stdout]   --> src/m1_enums.rs:31:8
[INFO] [stdout]    |
[INFO] [stdout] 30 | impl Conveyance {
[INFO] [stdout]    | --------------- method in this implementation
[INFO] [stdout] 31 |     fn travel_allowance(&self, miles: i32) -> f32 {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `check_under_five` is never used
[INFO] [stdout]   --> src/m1_enums.rs:42:4
[INFO] [stdout]    |
[INFO] [stdout] 42 | fn check_under_five(num_check: u8) -> GivenResult<u8, String> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `check_under_five_built_in` is never used
[INFO] [stdout]   --> src/m1_enums.rs:50:4
[INFO] [stdout]    |
[INFO] [stdout] 50 | fn check_under_five_built_in(num_check: u8) -> Result<u8, String> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `remainder_zero` is never used
[INFO] [stdout]   --> src/m1_enums.rs:58:4
[INFO] [stdout]    |
[INFO] [stdout] 58 | fn remainder_zero(num_check: f32) -> GivenOptions<f32> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `handle_car_colour_red` is never used
[INFO] [stdout]   --> src/m1_enums.rs:67:4
[INFO] [stdout]    |
[INFO] [stdout] 67 | fn handle_car_colour_red() -> CarColour {
[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: function `square` is never used
[INFO] [stdout]  --> src/m2_structs.rs:9:4
[INFO] [stdout]   |
[INFO] [stdout] 9 | fn square<T>(num: T) -> T
[INFO] [stdout]   |    ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `increment_signin_count`, `change_email`, and `change_username` are never used
[INFO] [stdout]   --> src/m2_structs.rs:17:8
[INFO] [stdout]    |
[INFO] [stdout] 16 | impl User {
[INFO] [stdout]    | --------- associated items in this implementation
[INFO] [stdout] 17 |     fn increment_signin_count(&mut self) {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 21 |     fn change_email(&mut self, new_email: &str) {
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 25 |     fn change_username(user: &mut User, new_username: &str) {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `change_username` is never used
[INFO] [stdout]   --> src/m2_structs.rs:30:4
[INFO] [stdout]    |
[INFO] [stdout] 30 | fn change_username(user: &mut User, new_username: &str) {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Attacker` is never used
[INFO] [stdout]  --> src/m3_trait.rs:1:7
[INFO] [stdout]   |
[INFO] [stdout] 1 | trait Attacker {
[INFO] [stdout]   |       ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `BasicStats` is never used
[INFO] [stdout]  --> src/m3_trait.rs:5:7
[INFO] [stdout]   |
[INFO] [stdout] 5 | trait BasicStats {
[INFO] [stdout]   |       ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Character` is never used
[INFO] [stdout]   --> src/m3_trait.rs:11:6
[INFO] [stdout]    |
[INFO] [stdout] 11 | enum Character {
[INFO] [stdout]    |      ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Data` is never constructed
[INFO] [stdout]   --> src/m3_trait.rs:19:8
[INFO] [stdout]    |
[INFO] [stdout] 19 | struct Data {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `EthereumAddress` is never used
[INFO] [stdout]  --> src/m4_polymorphism.rs:4:7
[INFO] [stdout]   |
[INFO] [stdout] 4 | 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<T: EthereumAddress>(address: T) -> Address {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `test_lifetime` is never used
[INFO] [stdout]  --> src/m5_lifetimes.rs:2:4
[INFO] [stdout]   |
[INFO] [stdout] 2 | fn test_lifetime() {
[INFO] [stdout]   |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `largest` is never used
[INFO] [stdout]   --> src/m5_lifetimes.rs:26:4
[INFO] [stdout]    |
[INFO] [stdout] 26 | fn largest<'a, T: PartialOrd>(compare_1: &'a T, compare_2: &'a T) -> &'a T {
[INFO] [stdout]    |    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Person` is never constructed
[INFO] [stdout]   --> src/m5_lifetimes.rs:34:8
[INFO] [stdout]    |
[INFO] [stdout] 34 | struct Person<'b> {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Message` is never used
[INFO] [stdout]  --> src/m6_patterns.rs:2:6
[INFO] [stdout]   |
[INFO] [stdout] 2 | enum Message {
[INFO] [stdout]   |      ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `process_message` is never used
[INFO] [stdout]  --> src/m6_patterns.rs:9:4
[INFO] [stdout]   |
[INFO] [stdout] 9 | 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_async.rs:3:10
[INFO] [stdout]   |
[INFO] [stdout] 3 | async fn my_async_call(url: &str) -> Result<serde_json::Value, Error> {
[INFO] [stdout]   |          ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `allowance` is never used
[INFO] [stdout]  --> src/m9_mods.rs:9:8
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub fn allowance() {
[INFO] [stdout]   |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Conveyance` is never used
[INFO] [stdout]  --> src/m9_mods.rs:2:14
[INFO] [stdout]   |
[INFO] [stdout] 2 |     pub enum Conveyance {
[INFO] [stdout]   |              ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `stack_ref`
[INFO] [stdout]   --> src/m10_smart_pointers.rs:20:13
[INFO] [stdout]    |
[INFO] [stdout] 20 |         let stack_ref = &stack_var;
[INFO] [stdout]    |             ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_stack_ref`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `heap_var`
[INFO] [stdout]   --> src/m10_smart_pointers.rs:28:13
[INFO] [stdout]    |
[INFO] [stdout] 28 |         let heap_var = Box::new(stack_var);
[INFO] [stdout]    |             ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_heap_var`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 56 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `b`
[INFO] [stdout]   --> src/m12_reference_counting_pointer.rs:20:13
[INFO] [stdout]    |
[INFO] [stdout] 20 |         let b = Rc::new(Cons(3, Rc::clone(&a)));
[INFO] [stdout]    |             ^ help: if this is intentional, prefix it with an underscore: `_b`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `c`
[INFO] [stdout]   --> src/m12_reference_counting_pointer.rs:22:13
[INFO] [stdout]    |
[INFO] [stdout] 22 |         let c = Rc::new(Cons(4, Rc::clone(&a)));
[INFO] [stdout]    |             ^ help: if this is intentional, prefix it with an underscore: `_c`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `list1`
[INFO] [stdout]   --> src/m13_double_linked_list.rs:59:17
[INFO] [stdout]    |
[INFO] [stdout] 59 |         let mut list1: List<i32> = List::new();
[INFO] [stdout]    |                 ^^^^^ help: if this is intentional, prefix it with an underscore: `_list1`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/m13_double_linked_list.rs:59:13
[INFO] [stdout]    |
[INFO] [stdout] 59 |         let mut list1: List<i32> = List::new();
[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: unused variable: `str_null`
[INFO] [stdout]   --> src/m14_macros.rs:72:13
[INFO] [stdout]    |
[INFO] [stdout] 72 |         let str_null = string_concat!();
[INFO] [stdout]    |             ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_str_null`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `str_single`
[INFO] [stdout]   --> src/m14_macros.rs:73:13
[INFO] [stdout]    |
[INFO] [stdout] 73 |         let str_single = string_concat!("First");
[INFO] [stdout]    |             ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_str_single`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `str_multiple`
[INFO] [stdout]   --> src/m14_macros.rs:75:13
[INFO] [stdout]    |
[INFO] [stdout] 75 |         let str_multiple = string_concat!("Firts","Second");
[INFO] [stdout]    |             ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_str_multiple`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `some_var`
[INFO] [stdout]   --> src/m14_macros.rs:77:13
[INFO] [stdout]    |
[INFO] [stdout] 77 |         let some_var = mad_skills!(i32);
[INFO] [stdout]    |             ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_some_var`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]   --> src/m14_macros.rs:78:17
[INFO] [stdout]    |
[INFO] [stdout] 78 |         let mut x: Vec<i32>  = vec!();
[INFO] [stdout]    |                 ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/m14_macros.rs:18:13
[INFO] [stdout]    |
[INFO] [stdout] 18 |         let mut temp_str = String::new();
[INFO] [stdout]    |             ----^^^^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout] ...
[INFO] [stdout] 72 |         let str_null = string_concat!();
[INFO] [stdout]    |                        ---------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `string_concat` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/m14_macros.rs:78:13
[INFO] [stdout]    |
[INFO] [stdout] 78 |         let mut x: Vec<i32>  = vec!();
[INFO] [stdout]    |             ----^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/m14_macros.rs:79:13
[INFO] [stdout]    |
[INFO] [stdout] 79 |         let mut y = my_vec!(1,2,3,4);
[INFO] [stdout]    |             ----^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `addr`
[INFO] [stdout]   --> src/m4_polymorphism.rs:35:13
[INFO] [stdout]    |
[INFO] [stdout] 35 |         let addr: Address =
[INFO] [stdout]    |             ^^^^ help: if this is intentional, prefix it with an underscore: `_addr`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `alice_check`
[INFO] [stdout]   --> src/m5_lifetimes.rs:19:13
[INFO] [stdout]    |
[INFO] [stdout] 19 |         let alice_check = largest(&check_ag, alice.points);
[INFO] [stdout]    |             ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_alice_check`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `prob_none`
[INFO] [stdout]   --> src/m6_patterns.rs:46:13
[INFO] [stdout]    |
[INFO] [stdout] 46 |         let prob_none: Option<i32> = None;
[INFO] [stdout]    |             ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_prob_none`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `person1`
[INFO] [stdout]   --> src/m8_collections.rs:12:13
[INFO] [stdout]    |
[INFO] [stdout] 12 |         let person1 = "alice";
[INFO] [stdout]    |             ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_person1`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `person2`
[INFO] [stdout]   --> src/m8_collections.rs:13:13
[INFO] [stdout]    |
[INFO] [stdout] 13 |         let person2 = "bob";
[INFO] [stdout]    |             ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_person2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `travel_1`
[INFO] [stdout]   --> src/m9_mods.rs:10:9
[INFO] [stdout]    |
[INFO] [stdout] 10 |     let travel_1 = travel_history::Conveyance::Car;
[INFO] [stdout]    |         ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_travel_1`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `travel_2`
[INFO] [stdout]   --> src/m9_mods.rs:12:9
[INFO] [stdout]    |
[INFO] [stdout] 12 |     let travel_2 = travel_history::Conveyance::Air;
[INFO] [stdout]    |         ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_travel_2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `area_rect1`
[INFO] [stdout]   --> src/main.rs:99:9
[INFO] [stdout]    |
[INFO] [stdout] 99 |     let area_rect1 = math_funcs::rect_area(&rect1.length, &rect1.width);
[INFO] [stdout]    |         ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_area_rect1`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:79:9
[INFO] [stdout]    |
[INFO] [stdout] 79 |     let mut f = min;
[INFO] [stdout]    |         ----^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:80:9
[INFO] [stdout]    |
[INFO] [stdout] 80 |     let mut m = max;
[INFO] [stdout]    |         ----^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `0` and `1` are never read
[INFO] [stdout]  --> src/m10_smart_pointers.rs:3:10
[INFO] [stdout]   |
[INFO] [stdout] 3 |     Cons(i32, Box<List>),
[INFO] [stdout]   |     ---- ^^^  ^^^^^^^^^
[INFO] [stdout]   |     |
[INFO] [stdout]   |     fields in this variant
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] help: consider changing the fields to be of unit type to suppress this warning while preserving the field numbering, or remove the fields
[INFO] [stdout]   |
[INFO] [stdout] 3 |     Cons((), ()),
[INFO] [stdout]   |          ~~  ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `List` is never used
[INFO] [stdout]   --> src/m11_custom_smart_pointers.rs:61:6
[INFO] [stdout]    |
[INFO] [stdout] 61 | enum List {
[INFO] [stdout]    |      ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `0` and `1` are never read
[INFO] [stdout]  --> src/m12_reference_counting_pointer.rs:4:10
[INFO] [stdout]   |
[INFO] [stdout] 4 |     Cons(i32, Rc<List>),
[INFO] [stdout]   |     ---- ^^^  ^^^^^^^^
[INFO] [stdout]   |     |
[INFO] [stdout]   |     fields in this variant
[INFO] [stdout]   |
[INFO] [stdout] help: consider changing the fields to be of unit type to suppress this warning while preserving the field numbering, or remove the fields
[INFO] [stdout]   |
[INFO] [stdout] 4 |     Cons((), ()),
[INFO] [stdout]   |          ~~  ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `head` and `tail` are never read
[INFO] [stdout]  --> src/m13_double_linked_list.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | struct List<T> {
[INFO] [stdout]   |        ---- fields in this struct
[INFO] [stdout] 5 |     head: Pointer<T>,
[INFO] [stdout]   |     ^^^^
[INFO] [stdout] 6 |     tail: Pointer<T>,
[INFO] [stdout]   |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `element`, `next`, and `prev` are never read
[INFO] [stdout]   --> src/m13_double_linked_list.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 9  | struct Node<T> {
[INFO] [stdout]    |        ---- fields in this struct
[INFO] [stdout] 10 |     element: T,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 11 |     next: Pointer<T>,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 12 |     prev: Pointer<T>,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/m13_double_linked_list.rs:18:8
[INFO] [stdout]    |
[INFO] [stdout] 17 | impl<T: std::fmt::Display> Node<T> {
[INFO] [stdout]    | ---------------------------------- associated function in this implementation
[INFO] [stdout] 18 |     fn new(element: T) -> Rc<RefCell<Node<T>>> {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `push_front` is never used
[INFO] [stdout]   --> src/m13_double_linked_list.rs:35:8
[INFO] [stdout]    |
[INFO] [stdout] 27 | impl<T: std::fmt::Display> List<T> {
[INFO] [stdout]    | ---------------------------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 35 |     fn push_front(&mut self, element: T) {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Green`, `Blue`, and `Silver` are never constructed
[INFO] [stdout]  --> src/m1_enums.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | enum CarColour {
[INFO] [stdout]   |      --------- variants in this enum
[INFO] [stdout] 3 |     Red,
[INFO] [stdout] 4 |     Green,
[INFO] [stdout]   |     ^^^^^
[INFO] [stdout] 5 |     Blue,
[INFO] [stdout]   |     ^^^^
[INFO] [stdout] 6 |     Silver,
[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] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Train` and `Air` are never constructed
[INFO] [stdout]   --> src/m1_enums.rs:26:5
[INFO] [stdout]    |
[INFO] [stdout] 24 | enum Conveyance {
[INFO] [stdout]    |      ---------- variants in this enum
[INFO] [stdout] 25 |     Car = 15,
[INFO] [stdout] 26 |     Train = 20,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 27 |     Air = 30,
[INFO] [stdout]    |     ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Conveyance` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `email` and `active` are never read
[INFO] [stdout]  --> src/m2_structs.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | struct User {
[INFO] [stdout]   |        ---- fields in this struct
[INFO] [stdout] 3 |     username: String,
[INFO] [stdout] 4 |     email: String,
[INFO] [stdout]   |     ^^^^^
[INFO] [stdout] 5 |     sign_in_count: u64,
[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: associated items `change_email` and `change_username` are never used
[INFO] [stdout]   --> src/m2_structs.rs:21:8
[INFO] [stdout]    |
[INFO] [stdout] 16 | impl User {
[INFO] [stdout]    | --------- associated items in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 21 |     fn change_email(&mut self, new_email: &str) {
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 25 |     fn change_username(user: &mut User, new_username: &str) {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `BasicStats` is never used
[INFO] [stdout]  --> src/m3_trait.rs:5:7
[INFO] [stdout]   |
[INFO] [stdout] 5 | trait BasicStats {
[INFO] [stdout]   |       ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Warrior` and `Wizard` are never constructed
[INFO] [stdout]   --> src/m3_trait.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | enum Character {
[INFO] [stdout]    |      --------- variants in this enum
[INFO] [stdout] 12 |     Warrior,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 13 |     Archer,
[INFO] [stdout] 14 |     Wizard,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Character` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Data` is never constructed
[INFO] [stdout]   --> src/m3_trait.rs:19:8
[INFO] [stdout]    |
[INFO] [stdout] 19 | struct Data {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `test_lifetime` is never used
[INFO] [stdout]  --> src/m5_lifetimes.rs:2:4
[INFO] [stdout]   |
[INFO] [stdout] 2 | fn test_lifetime() {
[INFO] [stdout]   |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `largest` is never used
[INFO] [stdout]   --> src/m5_lifetimes.rs:26:4
[INFO] [stdout]    |
[INFO] [stdout] 26 | fn largest<'a, T: PartialOrd>(compare_1: &'a T, compare_2: &'a T) -> &'a T {
[INFO] [stdout]    |    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Person` is never constructed
[INFO] [stdout]   --> src/m5_lifetimes.rs:34:8
[INFO] [stdout]    |
[INFO] [stdout] 34 | struct Person<'b> {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `allowance` is never used
[INFO] [stdout]  --> src/m9_mods.rs:9:8
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub fn allowance() {
[INFO] [stdout]   |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Conveyance` is never used
[INFO] [stdout]  --> src/m9_mods.rs:2:14
[INFO] [stdout]   |
[INFO] [stdout] 2 |     pub enum Conveyance {
[INFO] [stdout]   |              ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]   --> src/m1_enums.rs:94:9
[INFO] [stdout]    |
[INFO] [stdout] 94 |         dbg!(is_under_five_res_buil_in);
[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: 52 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 52.87s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: wasm-bindgen v0.2.87
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] running `Command { std: "docker" "inspect" "b90e85445fd9abaa2f3e4d23536b9a3d34a3d0298bb6e6661d74df9099e2d8f8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b90e85445fd9abaa2f3e4d23536b9a3d34a3d0298bb6e6661d74df9099e2d8f8", kill_on_drop: false }`
[INFO] [stdout] b90e85445fd9abaa2f3e4d23536b9a3d34a3d0298bb6e6661d74df9099e2d8f8
