[INFO] cloning repository https://github.com/mirachin8/DS210-Project
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mirachin8/DS210-Project" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmirachin8%2FDS210-Project", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmirachin8%2FDS210-Project'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 981377aec497e52d8ce449228b3ed896a6e75511
[INFO] checking mirachin8/DS210-Project against a5689b034ad287112f709693384a37f1377eb9cc for pr-129249-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmirachin8%2FDS210-Project" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/mirachin8/DS210-Project
[INFO] finished tweaking git repo https://github.com/mirachin8/DS210-Project
[INFO] tweaked toml for git repo https://github.com/mirachin8/DS210-Project written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/mirachin8/DS210-Project on toolchain a5689b034ad287112f709693384a37f1377eb9cc
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a5689b034ad287112f709693384a37f1377eb9cc" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/mirachin8/DS210-Project 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" "+a5689b034ad287112f709693384a37f1377eb9cc" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:77db811e55d90add9212f6832c23229e3de5f1c1f9905e8cb07319ea15df73ac" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] c4efaeeed14bf9b5d46def19422b0b8838d66f1e1f4e19b3f603a71d5999e78a
[INFO] running `Command { std: "docker" "start" "c4efaeeed14bf9b5d46def19422b0b8838d66f1e1f4e19b3f603a71d5999e78a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c4efaeeed14bf9b5d46def19422b0b8838d66f1e1f4e19b3f603a71d5999e78a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "c4efaeeed14bf9b5d46def19422b0b8838d66f1e1f4e19b3f603a71d5999e78a" "/opt/rustwide/cargo-home/bin/cargo" "+a5689b034ad287112f709693384a37f1377eb9cc" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c4efaeeed14bf9b5d46def19422b0b8838d66f1e1f4e19b3f603a71d5999e78a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "c4efaeeed14bf9b5d46def19422b0b8838d66f1e1f4e19b3f603a71d5999e78a" "/opt/rustwide/cargo-home/bin/cargo" "+a5689b034ad287112f709693384a37f1377eb9cc" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.95
[INFO] [stderr]    Compiling libm v0.2.13
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling libc v0.2.172
[INFO] [stderr]    Compiling unicode-ident v1.0.18
[INFO] [stderr]    Compiling zerocopy v0.8.25
[INFO] [stderr]    Compiling rayon-core v1.12.1
[INFO] [stderr]     Checking crossbeam-epoch v0.9.18
[INFO] [stderr]    Compiling matrixmultiply v0.3.9
[INFO] [stderr]     Checking rawpointer v0.2.1
[INFO] [stderr]     Checking either v1.15.0
[INFO] [stderr]    Compiling linfa v0.6.1
[INFO] [stderr]    Compiling serde v1.0.219
[INFO] [stderr]     Checking memchr v2.7.4
[INFO] [stderr]     Checking crossbeam-deque v0.8.6
[INFO] [stderr]     Checking csv-core v0.1.12
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]     Checking rayon v1.10.0
[INFO] [stderr]    Compiling syn v2.0.101
[INFO] [stderr]     Checking getrandom v0.2.16
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking approx v0.4.0
[INFO] [stderr]     Checking num-integer v0.1.46
[INFO] [stderr]     Checking num-complex v0.4.6
[INFO] [stderr]     Checking ppv-lite86 v0.2.21
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking ndarray v0.15.6
[INFO] [stderr]    Compiling thiserror-impl v1.0.69
[INFO] [stderr]    Compiling serde_derive v1.0.219
[INFO] [stderr]     Checking rand_distr v0.4.3
[INFO] [stderr]     Checking thiserror v1.0.69
[INFO] [stderr]     Checking ndarray-rand v0.14.0
[INFO] [stderr]     Checking linfa-trees v0.6.1
[INFO] [stderr]     Checking csv v1.3.1
[INFO] [stderr]     Checking project_code v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: useless conversion to the same type: `u8`
[INFO] [stdout]   --> src/main.rs:19:59
[INFO] [stdout]    |
[INFO] [stdout] 19 |     let labels: Vec<u8> = label_enums.iter().map(|&label| label.into()).collect();
[INFO] [stdout]    |                                                           ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this method call relies on the `impl<T> Into<T> for T` blanket implementation and type inference, which is a semver hazard as a new `impl Into<_>` that affects your type might be added in the future causing type inference errors
[INFO] [stdout]    = note: `#[deny(self_type_conversion)]` on by default
[INFO] [stdout] help: consider removing the conversion call
[INFO] [stdout]    |
[INFO] [stdout] 19 -     let labels: Vec<u8> = label_enums.iter().map(|&label| label.into()).collect();
[INFO] [stdout] 19 +     let labels: Vec<u8> = label_enums.iter().map(|&label| label).collect();
[INFO] [stdout]    |
[INFO] [stdout] help: you can use the fully-qualified path to avoid triggering this lint
[INFO] [stdout]    |
[INFO] [stdout] 19 -     let labels: Vec<u8> = label_enums.iter().map(|&label| label.into()).collect();
[INFO] [stdout] 19 +     let labels: Vec<u8> = label_enums.iter().map(|&label| <u8 as Into<_>>::into(label)).collect();
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `project_code` (bin "project_code") due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: useless conversion to the same type: `u8`
[INFO] [stdout]   --> src/tests.rs:32:63
[INFO] [stdout]    |
[INFO] [stdout] 32 |         let labels: Vec<u8> = label_enums.iter().map(|&label| label.into()).collect();
[INFO] [stdout]    |                                                               ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this method call relies on the `impl<T> Into<T> for T` blanket implementation and type inference, which is a semver hazard as a new `impl Into<_>` that affects your type might be added in the future causing type inference errors
[INFO] [stdout]    = note: `#[deny(self_type_conversion)]` on by default
[INFO] [stdout] help: consider removing the conversion call
[INFO] [stdout]    |
[INFO] [stdout] 32 -         let labels: Vec<u8> = label_enums.iter().map(|&label| label.into()).collect();
[INFO] [stdout] 32 +         let labels: Vec<u8> = label_enums.iter().map(|&label| label).collect();
[INFO] [stdout]    |
[INFO] [stdout] help: you can use the fully-qualified path to avoid triggering this lint
[INFO] [stdout]    |
[INFO] [stdout] 32 -         let labels: Vec<u8> = label_enums.iter().map(|&label| label.into()).collect();
[INFO] [stdout] 32 +         let labels: Vec<u8> = label_enums.iter().map(|&label| <u8 as Into<_>>::into(label)).collect();
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: useless conversion to the same type: `u8`
[INFO] [stdout]   --> src/main.rs:19:59
[INFO] [stdout]    |
[INFO] [stdout] 19 |     let labels: Vec<u8> = label_enums.iter().map(|&label| label.into()).collect();
[INFO] [stdout]    |                                                           ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this method call relies on the `impl<T> Into<T> for T` blanket implementation and type inference, which is a semver hazard as a new `impl Into<_>` that affects your type might be added in the future causing type inference errors
[INFO] [stdout] help: consider removing the conversion call
[INFO] [stdout]    |
[INFO] [stdout] 19 -     let labels: Vec<u8> = label_enums.iter().map(|&label| label.into()).collect();
[INFO] [stdout] 19 +     let labels: Vec<u8> = label_enums.iter().map(|&label| label).collect();
[INFO] [stdout]    |
[INFO] [stdout] help: you can use the fully-qualified path to avoid triggering this lint
[INFO] [stdout]    |
[INFO] [stdout] 19 -     let labels: Vec<u8> = label_enums.iter().map(|&label| label.into()).collect();
[INFO] [stdout] 19 +     let labels: Vec<u8> = label_enums.iter().map(|&label| <u8 as Into<_>>::into(label)).collect();
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `project_code` (bin "project_code" test) due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "c4efaeeed14bf9b5d46def19422b0b8838d66f1e1f4e19b3f603a71d5999e78a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c4efaeeed14bf9b5d46def19422b0b8838d66f1e1f4e19b3f603a71d5999e78a", kill_on_drop: false }`
[INFO] [stdout] c4efaeeed14bf9b5d46def19422b0b8838d66f1e1f4e19b3f603a71d5999e78a
