[INFO] cloning repository https://github.com/charlesstrube/rust-backpack
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/charlesstrube/rust-backpack" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcharlesstrube%2Frust-backpack", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcharlesstrube%2Frust-backpack'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6ed1ecc094b95753fe4293c6087e53e668df2cb3
[INFO] checking charlesstrube/rust-backpack against 52995a223f2919dd3e2e427231db90a257350ded for pr-129249-4
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcharlesstrube%2Frust-backpack" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/charlesstrube/rust-backpack
[INFO] finished tweaking git repo https://github.com/charlesstrube/rust-backpack
[INFO] tweaked toml for git repo https://github.com/charlesstrube/rust-backpack written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/charlesstrube/rust-backpack on toolchain 52995a223f2919dd3e2e427231db90a257350ded
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+52995a223f2919dd3e2e427231db90a257350ded" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/charlesstrube/rust-backpack 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" "+52995a223f2919dd3e2e427231db90a257350ded" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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:c0af3998e971868164375a7dfb646c9933ddd1a3bdb00fa2041266763dc1eeab" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] eafae1a33a056204d3d7dea1373009b8ca5e9fba95c24a3d412cb4c869b6bb88
[INFO] running `Command { std: "docker" "start" "eafae1a33a056204d3d7dea1373009b8ca5e9fba95c24a3d412cb4c869b6bb88", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "eafae1a33a056204d3d7dea1373009b8ca5e9fba95c24a3d412cb4c869b6bb88", 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" "eafae1a33a056204d3d7dea1373009b8ca5e9fba95c24a3d412cb4c869b6bb88" "/opt/rustwide/cargo-home/bin/cargo" "+52995a223f2919dd3e2e427231db90a257350ded" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "eafae1a33a056204d3d7dea1373009b8ca5e9fba95c24a3d412cb4c869b6bb88", 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" "eafae1a33a056204d3d7dea1373009b8ca5e9fba95c24a3d412cb4c869b6bb88" "/opt/rustwide/cargo-home/bin/cargo" "+52995a223f2919dd3e2e427231db90a257350ded" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling quote v1.0.45
[INFO] [stderr]    Compiling syn v2.0.117
[INFO] [stderr]    Compiling thiserror-impl v2.0.18
[INFO] [stderr]     Checking thiserror v2.0.18
[INFO] [stderr]     Checking rust-exercices v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: useless conversion to the same type: `&str`
[INFO] [stdout]    --> src/backpack.rs:661:13
[INFO] [stdout]     |
[INFO] [stdout] 661 |             "A".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] 661 -             "A".into(),
[INFO] [stdout] 661 +             "A",
[INFO] [stdout]     |
[INFO] [stdout] help: you can use the fully-qualified path to avoid triggering this lint
[INFO] [stdout]     |
[INFO] [stdout] 661 -             "A".into(),
[INFO] [stdout] 661 +             <&str as Into<_>>::into("A"),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: useless conversion to the same type: `&str`
[INFO] [stdout]    --> src/backpack.rs:668:13
[INFO] [stdout]     |
[INFO] [stdout] 668 |             "B".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] help: consider removing the conversion call
[INFO] [stdout]     |
[INFO] [stdout] 668 -             "B".into(),
[INFO] [stdout] 668 +             "B",
[INFO] [stdout]     |
[INFO] [stdout] help: you can use the fully-qualified path to avoid triggering this lint
[INFO] [stdout]     |
[INFO] [stdout] 668 -             "B".into(),
[INFO] [stdout] 668 +             <&str as Into<_>>::into("B"),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: useless conversion to the same type: `&str`
[INFO] [stdout]    --> src/backpack.rs:685:13
[INFO] [stdout]     |
[INFO] [stdout] 685 |             "A".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] help: consider removing the conversion call
[INFO] [stdout]     |
[INFO] [stdout] 685 -             "A".into(),
[INFO] [stdout] 685 +             "A",
[INFO] [stdout]     |
[INFO] [stdout] help: you can use the fully-qualified path to avoid triggering this lint
[INFO] [stdout]     |
[INFO] [stdout] 685 -             "A".into(),
[INFO] [stdout] 685 +             <&str as Into<_>>::into("A"),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: useless conversion to the same type: `&str`
[INFO] [stdout]    --> src/backpack.rs:692:13
[INFO] [stdout]     |
[INFO] [stdout] 692 |             "B".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] help: consider removing the conversion call
[INFO] [stdout]     |
[INFO] [stdout] 692 -             "B".into(),
[INFO] [stdout] 692 +             "B",
[INFO] [stdout]     |
[INFO] [stdout] help: you can use the fully-qualified path to avoid triggering this lint
[INFO] [stdout]     |
[INFO] [stdout] 692 -             "B".into(),
[INFO] [stdout] 692 +             <&str as Into<_>>::into("B"),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rust-exercices` (bin "rust-exercices" test) due to 4 previous errors
[INFO] running `Command { std: "docker" "inspect" "eafae1a33a056204d3d7dea1373009b8ca5e9fba95c24a3d412cb4c869b6bb88", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eafae1a33a056204d3d7dea1373009b8ca5e9fba95c24a3d412cb4c869b6bb88", kill_on_drop: false }`
[INFO] [stdout] eafae1a33a056204d3d7dea1373009b8ca5e9fba95c24a3d412cb4c869b6bb88
