[INFO] cloning repository https://github.com/guillaumeamortila/ppm
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/guillaumeamortila/ppm" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fguillaumeamortila%2Fppm", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fguillaumeamortila%2Fppm'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6697021f685f7836ca93d43fa874552fce42d011
[INFO] checking guillaumeamortila/ppm against master#db1fb85cff63ad5fffe435e17128f99f9e1d970c for pr-89056
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fguillaumeamortila%2Fppm" "/workspace/builds/worker-20/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-20/source'...
[INFO] [stderr] done.
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Updating files: 100% (316/316), done.
[INFO] validating manifest of git repo https://github.com/guillaumeamortila/ppm on toolchain db1fb85cff63ad5fffe435e17128f99f9e1d970c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/guillaumeamortila/ppm
[INFO] finished tweaking git repo https://github.com/guillaumeamortila/ppm
[INFO] tweaked toml for git repo https://github.com/guillaumeamortila/ppm written to /workspace/builds/worker-20/source/Cargo.toml
[INFO] crate git repo https://github.com/guillaumeamortila/ppm already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "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-20/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 778acc0988aa4bb9f3eb1fc69e62f9083a17f7f7fb8c49ff21f2b0dab1435d95
[INFO] running `Command { std: "docker" "start" "-a" "778acc0988aa4bb9f3eb1fc69e62f9083a17f7f7fb8c49ff21f2b0dab1435d95", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "778acc0988aa4bb9f3eb1fc69e62f9083a17f7f7fb8c49ff21f2b0dab1435d95", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "778acc0988aa4bb9f3eb1fc69e62f9083a17f7f7fb8c49ff21f2b0dab1435d95", kill_on_drop: false }`
[INFO] [stdout] 778acc0988aa4bb9f3eb1fc69e62f9083a17f7f7fb8c49ff21f2b0dab1435d95
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a0dac1ed0d68b0cb5f29c5d30e8da0d654652c53a5a13c9cfaab6d58c4ec6526
[INFO] running `Command { std: "docker" "start" "-a" "a0dac1ed0d68b0cb5f29c5d30e8da0d654652c53a5a13c9cfaab6d58c4ec6526", kill_on_drop: false }`
[INFO] [stderr]     Checking ppm v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/main.rs:28:5
[INFO] [stdout]    |
[INFO] [stdout] 28 |     image.save(Path::new("src/img_dst/test_result.ppm"));
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/main.rs:28:5
[INFO] [stdout]    |
[INFO] [stdout] 28 |     image.save(Path::new("src/img_dst/test_result.ppm"));
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 04s
[INFO] running `Command { std: "docker" "inspect" "a0dac1ed0d68b0cb5f29c5d30e8da0d654652c53a5a13c9cfaab6d58c4ec6526", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a0dac1ed0d68b0cb5f29c5d30e8da0d654652c53a5a13c9cfaab6d58c4ec6526", kill_on_drop: false }`
[INFO] [stdout] a0dac1ed0d68b0cb5f29c5d30e8da0d654652c53a5a13c9cfaab6d58c4ec6526