[INFO] fetching crate genetic_regression 0.5.8...
[INFO] checking genetic_regression-0.5.8 against a5689b034ad287112f709693384a37f1377eb9cc for pr-129249-3
[INFO] extracting crate genetic_regression 0.5.8 into /workspace/builds/worker-1-tc2/source
[INFO] started tweaking crates.io crate genetic_regression 0.5.8
[INFO] finished tweaking crates.io crate genetic_regression 0.5.8
[INFO] tweaked toml for crates.io crate genetic_regression 0.5.8 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate genetic_regression 0.5.8 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 crates.io crate genetic_regression 0.5.8 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-1-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 8298cf022eb29511ec888178895d7f4e401d79171d4c48600ac73bcab76d858c
[INFO] running `Command { std: "docker" "start" "8298cf022eb29511ec888178895d7f4e401d79171d4c48600ac73bcab76d858c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8298cf022eb29511ec888178895d7f4e401d79171d4c48600ac73bcab76d858c", 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" "8298cf022eb29511ec888178895d7f4e401d79171d4c48600ac73bcab76d858c" "/opt/rustwide/cargo-home/bin/cargo" "+a5689b034ad287112f709693384a37f1377eb9cc" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8298cf022eb29511ec888178895d7f4e401d79171d4c48600ac73bcab76d858c", 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" "8298cf022eb29511ec888178895d7f4e401d79171d4c48600ac73bcab76d858c" "/opt/rustwide/cargo-home/bin/cargo" "+a5689b034ad287112f709693384a37f1377eb9cc" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.180
[INFO] [stderr]    Compiling getrandom v0.4.1
[INFO] [stderr]    Compiling serde_core v1.0.228
[INFO] [stderr]     Checking rand_core v0.10.0
[INFO] [stderr]    Compiling matrixmultiply v0.3.10
[INFO] [stderr]     Checking memchr v2.7.6
[INFO] [stderr]     Checking ryu v1.0.22
[INFO] [stderr]     Checking either v1.15.0
[INFO] [stderr]     Checking strum v0.28.0
[INFO] [stderr]     Checking num-complex v0.4.6
[INFO] [stderr]     Checking ordered-float v5.1.0
[INFO] [stderr]     Checking approx v0.5.1
[INFO] [stderr]     Checking num-bigint v0.4.6
[INFO] [stderr]    Compiling syn v2.0.114
[INFO] [stderr]     Checking num-iter v0.1.45
[INFO] [stderr]     Checking chacha20 v0.10.0
[INFO] [stderr]     Checking rayon v1.12.0
[INFO] [stderr]     Checking ndarray v0.17.2
[INFO] [stderr]     Checking csv-core v0.1.13
[INFO] [stderr]     Checking num-rational v0.4.2
[INFO] [stderr]     Checking num v0.4.3
[INFO] [stderr]     Checking rand v0.10.1
[INFO] [stderr]     Checking smartcore v0.5.0
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling strum_macros v0.28.0
[INFO] [stderr]     Checking csv v1.4.0
[INFO] [stderr]     Checking serde v1.0.228
[INFO] [stderr]     Checking genetic_regression v0.5.8 (/opt/rustwide/workdir)
[INFO] [stdout] error: useless conversion to the same type: `&str`
[INFO] [stdout]    --> src/individual.rs:141:24
[INFO] [stdout]     |
[INFO] [stdout] 141 |             return Err("File format error".into());
[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] 141 -             return Err("File format error".into());
[INFO] [stdout] 141 +             return Err("File format error");
[INFO] [stdout]     |
[INFO] [stdout] help: you can use the fully-qualified path to avoid triggering this lint
[INFO] [stdout]     |
[INFO] [stdout] 141 -             return Err("File format error".into());
[INFO] [stdout] 141 +             return Err(<&str as Into<_>>::into("File format error"));
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `genetic_regression` (lib) 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: `&str`
[INFO] [stdout]    --> src/individual.rs:141:24
[INFO] [stdout]     |
[INFO] [stdout] 141 |             return Err("File format error".into());
[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] 141 -             return Err("File format error".into());
[INFO] [stdout] 141 +             return Err("File format error");
[INFO] [stdout]     |
[INFO] [stdout] help: you can use the fully-qualified path to avoid triggering this lint
[INFO] [stdout]     |
[INFO] [stdout] 141 -             return Err("File format error".into());
[INFO] [stdout] 141 +             return Err(<&str as Into<_>>::into("File format error"));
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `genetic_regression` (lib test) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "8298cf022eb29511ec888178895d7f4e401d79171d4c48600ac73bcab76d858c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8298cf022eb29511ec888178895d7f4e401d79171d4c48600ac73bcab76d858c", kill_on_drop: false }`
[INFO] [stdout] 8298cf022eb29511ec888178895d7f4e401d79171d4c48600ac73bcab76d858c
