[INFO] cloning repository https://github.com/ryuichiueda/scantopgm
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ryuichiueda/scantopgm" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fryuichiueda%2Fscantopgm", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fryuichiueda%2Fscantopgm'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] bf0e0dfac8a34e262f5628bb25ead41eae8a5607
[INFO] checking ryuichiueda/scantopgm against master#17ffbc81a30c094193836a5d7f90dff273b5df93 for pr-138785
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fryuichiueda%2Fscantopgm" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ryuichiueda/scantopgm on toolchain 17ffbc81a30c094193836a5d7f90dff273b5df93
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+17ffbc81a30c094193836a5d7f90dff273b5df93" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/ryuichiueda/scantopgm
[INFO] finished tweaking git repo https://github.com/ryuichiueda/scantopgm
[INFO] tweaked toml for git repo https://github.com/ryuichiueda/scantopgm written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/ryuichiueda/scantopgm 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" "+17ffbc81a30c094193836a5d7f90dff273b5df93" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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" "+17ffbc81a30c094193836a5d7f90dff273b5df93" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1e697e53db06cb53ef1207ca438e0911191fcaa7e6a2874ead9044c8a3a781a2
[INFO] running `Command { std: "docker" "start" "-a" "1e697e53db06cb53ef1207ca438e0911191fcaa7e6a2874ead9044c8a3a781a2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1e697e53db06cb53ef1207ca438e0911191fcaa7e6a2874ead9044c8a3a781a2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1e697e53db06cb53ef1207ca438e0911191fcaa7e6a2874ead9044c8a3a781a2", kill_on_drop: false }`
[INFO] [stdout] 1e697e53db06cb53ef1207ca438e0911191fcaa7e6a2874ead9044c8a3a781a2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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" "+17ffbc81a30c094193836a5d7f90dff273b5df93" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] dfaa3411901deb7e4e9d7932c0624fbdb87cc38c48e8a2855a24be677fce75a2
[INFO] running `Command { std: "docker" "start" "-a" "dfaa3411901deb7e4e9d7932c0624fbdb87cc38c48e8a2855a24be677fce75a2", kill_on_drop: false }`
[INFO] [stderr]     Checking yaml-rust v0.4.5
[INFO] [stderr]     Checking scantopgm v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: fields `x_step` and `y_step` are never read
[INFO] [stdout]   --> src/image.rs:15:9
[INFO] [stdout]    |
[INFO] [stdout] 8  | pub struct Image {
[INFO] [stdout]    |            ----- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 15 |     pub x_step: f64,
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout] 16 |     pub y_step: f64,
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `x_step` and `y_step` are never read
[INFO] [stdout]   --> src/image.rs:15:9
[INFO] [stdout]    |
[INFO] [stdout] 8  | pub struct Image {
[INFO] [stdout]    |            ----- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 15 |     pub x_step: f64,
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout] 16 |     pub y_step: f64,
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.37s
[INFO] running `Command { std: "docker" "inspect" "dfaa3411901deb7e4e9d7932c0624fbdb87cc38c48e8a2855a24be677fce75a2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dfaa3411901deb7e4e9d7932c0624fbdb87cc38c48e8a2855a24be677fce75a2", kill_on_drop: false }`
[INFO] [stdout] dfaa3411901deb7e4e9d7932c0624fbdb87cc38c48e8a2855a24be677fce75a2