[INFO] cloning repository https://github.com/mwalczyk/gray_code_rs [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mwalczyk/gray_code_rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmwalczyk%2Fgray_code_rs", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmwalczyk%2Fgray_code_rs'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 5f2f1d79e5be46f0bb24344cc18bdaa3d4d54a2d [INFO] checking mwalczyk/gray_code_rs against master#5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f for pr-87248 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmwalczyk%2Fgray_code_rs" "/workspace/builds/worker-11/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-11/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/mwalczyk/gray_code_rs on toolchain 5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/mwalczyk/gray_code_rs [INFO] finished tweaking git repo https://github.com/mwalczyk/gray_code_rs [INFO] tweaked toml for git repo https://github.com/mwalczyk/gray_code_rs written to /workspace/builds/worker-11/source/Cargo.toml [INFO] crate git repo https://github.com/mwalczyk/gray_code_rs already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "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-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] c6f51ab5d276f514b2f4ce4ff7651e311f01cdf8c3e3d132d9f01fb74af3844d [INFO] running `Command { std: "docker" "start" "-a" "c6f51ab5d276f514b2f4ce4ff7651e311f01cdf8c3e3d132d9f01fb74af3844d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "c6f51ab5d276f514b2f4ce4ff7651e311f01cdf8c3e3d132d9f01fb74af3844d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c6f51ab5d276f514b2f4ce4ff7651e311f01cdf8c3e3d132d9f01fb74af3844d", kill_on_drop: false }` [INFO] [stdout] c6f51ab5d276f514b2f4ce4ff7651e311f01cdf8c3e3d132d9f01fb74af3844d [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] b7d29b70a88e06089fa8cd485e62d17bfe37df4d59a9f1b9597c7af4388eac31 [INFO] running `Command { std: "docker" "start" "-a" "b7d29b70a88e06089fa8cd485e62d17bfe37df4d59a9f1b9597c7af4388eac31", kill_on_drop: false }` [INFO] [stderr] Checking either v1.3.0 [INFO] [stderr] Compiling rayon-core v1.2.1 [INFO] [stderr] Checking rustc-serialize v0.3.24 [INFO] [stderr] Checking lazy_static v0.2.9 [INFO] [stderr] Checking futures v0.1.16 [INFO] [stderr] Checking bitflags v1.0.0 [INFO] [stderr] Checking rand v0.3.17 [INFO] [stderr] Checking png v0.11.0 [INFO] [stderr] Checking coco v0.1.1 [INFO] [stderr] Checking rayon v0.8.2 [INFO] [stderr] Checking num-bigint v0.1.40 [INFO] [stderr] Checking num-complex v0.1.40 [INFO] [stderr] Checking jpeg-decoder v0.1.13 [INFO] [stderr] Checking num-rational v0.1.39 [INFO] [stderr] Checking num v0.1.40 [INFO] [stderr] Checking image v0.17.0 [INFO] [stderr] Checking rust-test v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `orientation` [INFO] [stdout] --> src/main.rs:31:9 [INFO] [stdout] | [INFO] [stdout] 31 | let orientation = length; [INFO] [stdout] | ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_orientation` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `y` [INFO] [stdout] --> src/main.rs:41:17 [INFO] [stdout] | [INFO] [stdout] 41 | for (x, y, pixel) in image_buffer.enumerate_pixels_mut() { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_y` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `HORIZONTAL` [INFO] [stdout] --> src/main.rs:8:5 [INFO] [stdout] | [INFO] [stdout] 8 | HORIZONTAL [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `orientation` [INFO] [stdout] --> src/main.rs:31:9 [INFO] [stdout] | [INFO] [stdout] 31 | let orientation = length; [INFO] [stdout] | ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_orientation` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `y` [INFO] [stdout] --> src/main.rs:41:17 [INFO] [stdout] | [INFO] [stdout] 41 | for (x, y, pixel) in image_buffer.enumerate_pixels_mut() { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_y` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `HORIZONTAL` [INFO] [stdout] --> src/main.rs:8:5 [INFO] [stdout] | [INFO] [stdout] 8 | HORIZONTAL [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 7.87s [INFO] running `Command { std: "docker" "inspect" "b7d29b70a88e06089fa8cd485e62d17bfe37df4d59a9f1b9597c7af4388eac31", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b7d29b70a88e06089fa8cd485e62d17bfe37df4d59a9f1b9597c7af4388eac31", kill_on_drop: false }` [INFO] [stdout] b7d29b70a88e06089fa8cd485e62d17bfe37df4d59a9f1b9597c7af4388eac31