[INFO] cloning repository https://github.com/gettis-gh/learning-gr
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/gettis-gh/learning-gr" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgettis-gh%2Flearning-gr", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgettis-gh%2Flearning-gr'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ed576141cdb422ac19b19cf32de3a0aad024912b
[INFO] checking gettis-gh/learning-gr against master#f5711a55f5d5e2f942057d0f6d648dd2d8b2c37b for pr-148329
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgettis-gh%2Flearning-gr" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/gettis-gh/learning-gr
[INFO] finished tweaking git repo https://github.com/gettis-gh/learning-gr
[INFO] tweaked toml for git repo https://github.com/gettis-gh/learning-gr written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/gettis-gh/learning-gr on toolchain f5711a55f5d5e2f942057d0f6d648dd2d8b2c37b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f5711a55f5d5e2f942057d0f6d648dd2d8b2c37b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/gettis-gh/learning-gr 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" "+f5711a55f5d5e2f942057d0f6d648dd2d8b2c37b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded pixels v0.12.1
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[INFO] [stderr]   Downloaded wgpu-core v0.15.1
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[INFO] [stderr]   Downloaded naga v0.11.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+f5711a55f5d5e2f942057d0f6d648dd2d8b2c37b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e6fc7d699992b3354039beebd17175754cce7d5321b4c6a308fd26dc6c4a90dd
[INFO] running `Command { std: "docker" "start" "-a" "e6fc7d699992b3354039beebd17175754cce7d5321b4c6a308fd26dc6c4a90dd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e6fc7d699992b3354039beebd17175754cce7d5321b4c6a308fd26dc6c4a90dd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e6fc7d699992b3354039beebd17175754cce7d5321b4c6a308fd26dc6c4a90dd", kill_on_drop: false }`
[INFO] [stdout] e6fc7d699992b3354039beebd17175754cce7d5321b4c6a308fd26dc6c4a90dd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+f5711a55f5d5e2f942057d0f6d648dd2d8b2c37b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c86309d80ec6f485adecc37fa7c5fcc45fe252b035a8726ed67fbae28722eec5
[INFO] running `Command { std: "docker" "start" "-a" "c86309d80ec6f485adecc37fa7c5fcc45fe252b035a8726ed67fbae28722eec5", kill_on_drop: false }`
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[INFO] [stderr]     Checking learning-gr v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::path::Path`
[INFO] [stdout]   --> src/main.rs:68:9
[INFO] [stdout]    |
[INFO] [stdout] 68 |     use std::path::Path;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::path::Path`
[INFO] [stdout]   --> src/main.rs:68:9
[INFO] [stdout]    |
[INFO] [stdout] 68 |     use std::path::Path;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2m 32s
[INFO] running `Command { std: "docker" "inspect" "c86309d80ec6f485adecc37fa7c5fcc45fe252b035a8726ed67fbae28722eec5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c86309d80ec6f485adecc37fa7c5fcc45fe252b035a8726ed67fbae28722eec5", kill_on_drop: false }`
[INFO] [stdout] c86309d80ec6f485adecc37fa7c5fcc45fe252b035a8726ed67fbae28722eec5