[INFO] cloning repository https://github.com/euler1337/rust_concepts
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/euler1337/rust_concepts" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Feuler1337%2Frust_concepts", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Feuler1337%2Frust_concepts'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b3f6922ec977021e3f98d697698864272fd3647d
[INFO] testing euler1337/rust_concepts against beta-2021-09-08 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Feuler1337%2Frust_concepts" "/workspace/builds/worker-33/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-33/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/euler1337/rust_concepts on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/euler1337/rust_concepts
[INFO] finished tweaking git repo https://github.com/euler1337/rust_concepts
[INFO] tweaked toml for git repo https://github.com/euler1337/rust_concepts written to /workspace/builds/worker-33/source/Cargo.toml
[INFO] crate git repo https://github.com/euler1337/rust_concepts already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "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-33/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-33/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" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d2f675edd14c21f6ce9bd37a332253344a3478e13ca72baa7ec384cddd2b9d18
[INFO] running `Command { std: "docker" "start" "-a" "d2f675edd14c21f6ce9bd37a332253344a3478e13ca72baa7ec384cddd2b9d18", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d2f675edd14c21f6ce9bd37a332253344a3478e13ca72baa7ec384cddd2b9d18", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d2f675edd14c21f6ce9bd37a332253344a3478e13ca72baa7ec384cddd2b9d18", kill_on_drop: false }`
[INFO] [stdout] d2f675edd14c21f6ce9bd37a332253344a3478e13ca72baa7ec384cddd2b9d18
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-33/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-33/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=warn" "-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" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5b78d21e5ef34505f63d7b1c3c2315df09fce7c9c4ae3d1c044c4ff3676d4aa9
[INFO] running `Command { std: "docker" "start" "-a" "5b78d21e5ef34505f63d7b1c3c2315df09fce7c9c4ae3d1c044c4ff3676d4aa9", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling rust_concepts v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.39s
[INFO] running `Command { std: "docker" "inspect" "5b78d21e5ef34505f63d7b1c3c2315df09fce7c9c4ae3d1c044c4ff3676d4aa9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5b78d21e5ef34505f63d7b1c3c2315df09fce7c9c4ae3d1c044c4ff3676d4aa9", kill_on_drop: false }`
[INFO] [stdout] 5b78d21e5ef34505f63d7b1c3c2315df09fce7c9c4ae3d1c044c4ff3676d4aa9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-33/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-33/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=warn" "-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" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0cdae1b3280d45f20c86b46726bcbe19421fb75fb292e7d6aeb4afd30c161532
[INFO] running `Command { std: "docker" "start" "-a" "0cdae1b3280d45f20c86b46726bcbe19421fb75fb292e7d6aeb4afd30c161532", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling rust_concepts v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.43s
[INFO] running `Command { std: "docker" "inspect" "0cdae1b3280d45f20c86b46726bcbe19421fb75fb292e7d6aeb4afd30c161532", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0cdae1b3280d45f20c86b46726bcbe19421fb75fb292e7d6aeb4afd30c161532", kill_on_drop: false }`
[INFO] [stdout] 0cdae1b3280d45f20c86b46726bcbe19421fb75fb292e7d6aeb4afd30c161532
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-33/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-33/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=warn" "-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" "+beta-2021-09-08" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] bd402dab974fdc99150055501c121b76f490efe88b43ca70478c0a227d37026b
[INFO] running `Command { std: "docker" "start" "-a" "bd402dab974fdc99150055501c121b76f490efe88b43ca70478c0a227d37026b", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 3.46s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rust_concepts-289817f9ec971049)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "bd402dab974fdc99150055501c121b76f490efe88b43ca70478c0a227d37026b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bd402dab974fdc99150055501c121b76f490efe88b43ca70478c0a227d37026b", kill_on_drop: false }`
[INFO] [stdout] bd402dab974fdc99150055501c121b76f490efe88b43ca70478c0a227d37026b