[INFO] cloning repository https://github.com/drock00/Rustastic--Collections-3-Part-Challenge
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/drock00/Rustastic--Collections-3-Part-Challenge" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdrock00%2FRustastic--Collections-3-Part-Challenge", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdrock00%2FRustastic--Collections-3-Part-Challenge'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5d8afa08d7692ff78a0fc26bc987ecfc78614b94
[INFO] testing drock00/Rustastic--Collections-3-Part-Challenge against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdrock00%2FRustastic--Collections-3-Part-Challenge" "/workspace/builds/worker-70/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-70/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/drock00/Rustastic--Collections-3-Part-Challenge on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/drock00/Rustastic--Collections-3-Part-Challenge
[INFO] finished tweaking git repo https://github.com/drock00/Rustastic--Collections-3-Part-Challenge
[INFO] tweaked toml for git repo https://github.com/drock00/Rustastic--Collections-3-Part-Challenge written to /workspace/builds/worker-70/source/Cargo.toml
[INFO] crate git repo https://github.com/drock00/Rustastic--Collections-3-Part-Challenge already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded permutation v0.2.5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-70/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-70/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" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5f7e87715876540e60b722f39cdca6908096fb4ebaa74fa7cc1d79a786f7e9be
[INFO] running `Command { std: "docker" "start" "-a" "5f7e87715876540e60b722f39cdca6908096fb4ebaa74fa7cc1d79a786f7e9be", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5f7e87715876540e60b722f39cdca6908096fb4ebaa74fa7cc1d79a786f7e9be", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5f7e87715876540e60b722f39cdca6908096fb4ebaa74fa7cc1d79a786f7e9be", kill_on_drop: false }`
[INFO] [stdout] 5f7e87715876540e60b722f39cdca6908096fb4ebaa74fa7cc1d79a786f7e9be
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-70/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-70/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" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 53bbadecb373f221fa5bf9d320020d65c20df8cb01ee6e79d68e6761a839886a
[INFO] running `Command { std: "docker" "start" "-a" "53bbadecb373f221fa5bf9d320020d65c20df8cb01ee6e79d68e6761a839886a", kill_on_drop: false }`
[INFO] [stderr]    Compiling permutation v0.2.5
[INFO] [stderr]    Compiling collections_hw v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.00s
[INFO] running `Command { std: "docker" "inspect" "53bbadecb373f221fa5bf9d320020d65c20df8cb01ee6e79d68e6761a839886a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "53bbadecb373f221fa5bf9d320020d65c20df8cb01ee6e79d68e6761a839886a", kill_on_drop: false }`
[INFO] [stdout] 53bbadecb373f221fa5bf9d320020d65c20df8cb01ee6e79d68e6761a839886a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-70/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-70/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" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0fcd61cbe86e2e2669941d6bdcb3b03adb1df3d15f3b39a1f7b4ab6d021378bd
[INFO] running `Command { std: "docker" "start" "-a" "0fcd61cbe86e2e2669941d6bdcb3b03adb1df3d15f3b39a1f7b4ab6d021378bd", kill_on_drop: false }`
[INFO] [stderr]    Compiling collections_hw v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.49s
[INFO] running `Command { std: "docker" "inspect" "0fcd61cbe86e2e2669941d6bdcb3b03adb1df3d15f3b39a1f7b4ab6d021378bd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0fcd61cbe86e2e2669941d6bdcb3b03adb1df3d15f3b39a1f7b4ab6d021378bd", kill_on_drop: false }`
[INFO] [stdout] 0fcd61cbe86e2e2669941d6bdcb3b03adb1df3d15f3b39a1f7b4ab6d021378bd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-70/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-70/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" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] cf70b0c30ebe6dad9668fbb404069c7a4406b4bc1aeff2ce644d9ee174aa956d
[INFO] running `Command { std: "docker" "start" "-a" "cf70b0c30ebe6dad9668fbb404069c7a4406b4bc1aeff2ce644d9ee174aa956d", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.00s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/collections_hw-78498ca2db592304)
[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" "cf70b0c30ebe6dad9668fbb404069c7a4406b4bc1aeff2ce644d9ee174aa956d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cf70b0c30ebe6dad9668fbb404069c7a4406b4bc1aeff2ce644d9ee174aa956d", kill_on_drop: false }`
[INFO] [stdout] cf70b0c30ebe6dad9668fbb404069c7a4406b4bc1aeff2ce644d9ee174aa956d