[INFO] fetching crate bifrost-ice 0.1.0-alpha...
[INFO] testing bifrost-ice-0.1.0-alpha against 1.55.0 for beta-1.56-1
[INFO] extracting crate bifrost-ice 0.1.0-alpha into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate bifrost-ice 0.1.0-alpha 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 crates.io crate bifrost-ice 0.1.0-alpha
[INFO] finished tweaking crates.io crate bifrost-ice 0.1.0-alpha
[INFO] tweaked toml for crates.io crate bifrost-ice 0.1.0-alpha written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] 71e1237ad9aeb174b7d4e28a1b77fe658a1de7211e0bae67dc4746271f5934be
[INFO] running `Command { std: "docker" "start" "-a" "71e1237ad9aeb174b7d4e28a1b77fe658a1de7211e0bae67dc4746271f5934be", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "71e1237ad9aeb174b7d4e28a1b77fe658a1de7211e0bae67dc4746271f5934be", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "71e1237ad9aeb174b7d4e28a1b77fe658a1de7211e0bae67dc4746271f5934be", kill_on_drop: false }`
[INFO] [stdout] 71e1237ad9aeb174b7d4e28a1b77fe658a1de7211e0bae67dc4746271f5934be
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] 8f2f29aad300440621fea88cf7f216bd45424b6bfb71b8c8d965250861090c67
[INFO] running `Command { std: "docker" "start" "-a" "8f2f29aad300440621fea88cf7f216bd45424b6bfb71b8c8d965250861090c67", kill_on_drop: false }`
[INFO] [stderr]    Compiling bifrost-ice v0.1.0-alpha (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.17s
[INFO] running `Command { std: "docker" "inspect" "8f2f29aad300440621fea88cf7f216bd45424b6bfb71b8c8d965250861090c67", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8f2f29aad300440621fea88cf7f216bd45424b6bfb71b8c8d965250861090c67", kill_on_drop: false }`
[INFO] [stdout] 8f2f29aad300440621fea88cf7f216bd45424b6bfb71b8c8d965250861090c67
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] 7182098e69290dcc3d2b89aa6bd764119f3b7ed80e598bc8f4fa7aea9a25d0ad
[INFO] running `Command { std: "docker" "start" "-a" "7182098e69290dcc3d2b89aa6bd764119f3b7ed80e598bc8f4fa7aea9a25d0ad", kill_on_drop: false }`
[INFO] [stderr]    Compiling bifrost-ice v0.1.0-alpha (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.56s
[INFO] running `Command { std: "docker" "inspect" "7182098e69290dcc3d2b89aa6bd764119f3b7ed80e598bc8f4fa7aea9a25d0ad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7182098e69290dcc3d2b89aa6bd764119f3b7ed80e598bc8f4fa7aea9a25d0ad", kill_on_drop: false }`
[INFO] [stdout] 7182098e69290dcc3d2b89aa6bd764119f3b7ed80e598bc8f4fa7aea9a25d0ad
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] 893888d9b755baaaec729aea190118948bbbea93e54a9b44ffe0f397fc68c5fc
[INFO] running `Command { std: "docker" "start" "-a" "893888d9b755baaaec729aea190118948bbbea93e54a9b44ffe0f397fc68c5fc", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.00s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/bifrost_ice-0a19842ea69ed359)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test tests::it_works ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests bifrost-ice
[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" "893888d9b755baaaec729aea190118948bbbea93e54a9b44ffe0f397fc68c5fc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "893888d9b755baaaec729aea190118948bbbea93e54a9b44ffe0f397fc68c5fc", kill_on_drop: false }`
[INFO] [stdout] 893888d9b755baaaec729aea190118948bbbea93e54a9b44ffe0f397fc68c5fc