[INFO] cloning repository https://github.com/kartrez/hw_library
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/kartrez/hw_library" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkartrez%2Fhw_library", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkartrez%2Fhw_library'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c72a8d7eee8ad529b60558b973fadfdcbd614b9b
[INFO] checking kartrez/hw_library against try#7d2afcda7a9c043d5175cbca3ab08f0acf02b13a for pr-140824
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkartrez%2Fhw_library" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/kartrez/hw_library on toolchain 7d2afcda7a9c043d5175cbca3ab08f0acf02b13a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+7d2afcda7a9c043d5175cbca3ab08f0acf02b13a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/kartrez/hw_library
[INFO] finished tweaking git repo https://github.com/kartrez/hw_library
[INFO] tweaked toml for git repo https://github.com/kartrez/hw_library written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/kartrez/hw_library 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" "+7d2afcda7a9c043d5175cbca3ab08f0acf02b13a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+7d2afcda7a9c043d5175cbca3ab08f0acf02b13a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 248c0bd4db24a75af3765dd4d4e308047f770b09aa3fd3977ca31e275122ce2d
[INFO] running `Command { std: "docker" "start" "-a" "248c0bd4db24a75af3765dd4d4e308047f770b09aa3fd3977ca31e275122ce2d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "248c0bd4db24a75af3765dd4d4e308047f770b09aa3fd3977ca31e275122ce2d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "248c0bd4db24a75af3765dd4d4e308047f770b09aa3fd3977ca31e275122ce2d", kill_on_drop: false }`
[INFO] [stdout] 248c0bd4db24a75af3765dd4d4e308047f770b09aa3fd3977ca31e275122ce2d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+7d2afcda7a9c043d5175cbca3ab08f0acf02b13a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4cea3203439659ec2f1ec5fb594ec3b0c5ed09fbce148cdeb3fad10f674ed5e2
[INFO] running `Command { std: "docker" "start" "-a" "4cea3203439659ec2f1ec5fb594ec3b0c5ed09fbce148cdeb3fad10f674ed5e2", kill_on_drop: false }`
[INFO] [stderr]     Checking library v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: fields `name` and `age` are never read
[INFO] [stdout]  --> src/mymod/structure.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | struct Person<'a> {
[INFO] [stdout]   |        ------ fields in this struct
[INFO] [stdout] 4 |     name: &'a str,
[INFO] [stdout]   |     ^^^^
[INFO] [stdout] 5 |     age: u8
[INFO] [stdout]   |     ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Person` 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: fields `name` and `age` are never read
[INFO] [stdout]  --> src/mymod/structure.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | struct Person<'a> {
[INFO] [stdout]   |        ------ fields in this struct
[INFO] [stdout] 4 |     name: &'a str,
[INFO] [stdout]   |     ^^^^
[INFO] [stdout] 5 |     age: u8
[INFO] [stdout]   |     ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Person` 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] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.10s
[INFO] running `Command { std: "docker" "inspect" "4cea3203439659ec2f1ec5fb594ec3b0c5ed09fbce148cdeb3fad10f674ed5e2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4cea3203439659ec2f1ec5fb594ec3b0c5ed09fbce148cdeb3fad10f674ed5e2", kill_on_drop: false }`
[INFO] [stdout] 4cea3203439659ec2f1ec5fb594ec3b0c5ed09fbce148cdeb3fad10f674ed5e2