[INFO] cloning repository https://github.com/mateusdeap/euler
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mateusdeap/euler" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmateusdeap%2Feuler", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmateusdeap%2Feuler'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 049676f769fcbc0b620ee766a28e605c4b018059
[INFO] checking mateusdeap/euler/049676f769fcbc0b620ee766a28e605c4b018059 against master#568b11762723b001bfa693d0f21c5dad01d4e813 for pr-148190
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmateusdeap%2Feuler" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/mateusdeap/euler
[INFO] finished tweaking git repo https://github.com/mateusdeap/euler
[INFO] tweaked toml for git repo https://github.com/mateusdeap/euler written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/mateusdeap/euler on toolchain 568b11762723b001bfa693d0f21c5dad01d4e813
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+568b11762723b001bfa693d0f21c5dad01d4e813" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/mateusdeap/euler 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" "+568b11762723b001bfa693d0f21c5dad01d4e813" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:94a0c148923f5b2b52a63ef0eeb1882ad339ab61bce784c8077cbe41c61feb6c" "/opt/rustwide/cargo-home/bin/cargo" "+568b11762723b001bfa693d0f21c5dad01d4e813" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f864e9f939f35ae5534e72c94036fcd49fa4a2827a83fe352ec3f3da5b83020b
[INFO] running `Command { std: "docker" "start" "-a" "f864e9f939f35ae5534e72c94036fcd49fa4a2827a83fe352ec3f3da5b83020b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f864e9f939f35ae5534e72c94036fcd49fa4a2827a83fe352ec3f3da5b83020b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f864e9f939f35ae5534e72c94036fcd49fa4a2827a83fe352ec3f3da5b83020b", kill_on_drop: false }`
[INFO] [stdout] f864e9f939f35ae5534e72c94036fcd49fa4a2827a83fe352ec3f3da5b83020b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:94a0c148923f5b2b52a63ef0eeb1882ad339ab61bce784c8077cbe41c61feb6c" "/opt/rustwide/cargo-home/bin/cargo" "+568b11762723b001bfa693d0f21c5dad01d4e813" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 54cd35d67bf3b851ebf51086af2a2da2cc0902a75af63eff35fbb13f1df7b74d
[INFO] running `Command { std: "docker" "start" "-a" "54cd35d67bf3b851ebf51086af2a2da2cc0902a75af63eff35fbb13f1df7b74d", kill_on_drop: false }`
[INFO] [stderr]     Checking euler v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `name` is never read
[INFO] [stdout]  --> src/problems/even_fibonacci_numbers.rs:6:9
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub struct EvenFibonacciNumbers {
[INFO] [stdout]   |            -------------------- field in this struct
[INFO] [stdout] 6 |     pub name: String,
[INFO] [stdout]   |         ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `name` is never read
[INFO] [stdout]  --> src/problems/even_fibonacci_numbers.rs:6:9
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub struct EvenFibonacciNumbers {
[INFO] [stdout]   |            -------------------- field in this struct
[INFO] [stdout] 6 |     pub name: String,
[INFO] [stdout]   |         ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.32s
[INFO] running `Command { std: "docker" "inspect" "54cd35d67bf3b851ebf51086af2a2da2cc0902a75af63eff35fbb13f1df7b74d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "54cd35d67bf3b851ebf51086af2a2da2cc0902a75af63eff35fbb13f1df7b74d", kill_on_drop: false }`
[INFO] [stdout] 54cd35d67bf3b851ebf51086af2a2da2cc0902a75af63eff35fbb13f1df7b74d