[INFO] fetching crate premultiply 0.1.0...
[INFO] testing premultiply-0.1.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate premultiply 0.1.0 into /workspace/builds/worker-101/source
[INFO] validating manifest of crates.io crate premultiply 0.1.0 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 premultiply 0.1.0
[INFO] finished tweaking crates.io crate premultiply 0.1.0
[INFO] tweaked toml for crates.io crate premultiply 0.1.0 written to /workspace/builds/worker-101/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-101/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-101/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] ec132768af442c6ea444be765323ef529ada754943582c530e59ec89a6564f26
[INFO] running `Command { std: "docker" "start" "-a" "ec132768af442c6ea444be765323ef529ada754943582c530e59ec89a6564f26", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ec132768af442c6ea444be765323ef529ada754943582c530e59ec89a6564f26", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ec132768af442c6ea444be765323ef529ada754943582c530e59ec89a6564f26", kill_on_drop: false }`
[INFO] [stdout] ec132768af442c6ea444be765323ef529ada754943582c530e59ec89a6564f26
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-101/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-101/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] 11298cd3e5bf2b9551eaeacadce668a6215ffdbbfaaf2dedc4e75d635b472529
[INFO] running `Command { std: "docker" "start" "-a" "11298cd3e5bf2b9551eaeacadce668a6215ffdbbfaaf2dedc4e75d635b472529", kill_on_drop: false }`
[INFO] [stderr]    Compiling premultiply v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.20s
[INFO] running `Command { std: "docker" "inspect" "11298cd3e5bf2b9551eaeacadce668a6215ffdbbfaaf2dedc4e75d635b472529", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "11298cd3e5bf2b9551eaeacadce668a6215ffdbbfaaf2dedc4e75d635b472529", kill_on_drop: false }`
[INFO] [stdout] 11298cd3e5bf2b9551eaeacadce668a6215ffdbbfaaf2dedc4e75d635b472529
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-101/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-101/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] 50b05218d1c317ac66b9017b47d90d5e07f72b91274fec5ae6131d6a38d24192
[INFO] running `Command { std: "docker" "start" "-a" "50b05218d1c317ac66b9017b47d90d5e07f72b91274fec5ae6131d6a38d24192", kill_on_drop: false }`
[INFO] [stderr]    Compiling premultiply v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.61s
[INFO] running `Command { std: "docker" "inspect" "50b05218d1c317ac66b9017b47d90d5e07f72b91274fec5ae6131d6a38d24192", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "50b05218d1c317ac66b9017b47d90d5e07f72b91274fec5ae6131d6a38d24192", kill_on_drop: false }`
[INFO] [stdout] 50b05218d1c317ac66b9017b47d90d5e07f72b91274fec5ae6131d6a38d24192
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-101/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-101/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] f7f7ae320324cae61e73088125eccd7cc192356badea4d692146b0e5c8c38ba9
[INFO] running `Command { std: "docker" "start" "-a" "f7f7ae320324cae61e73088125eccd7cc192356badea4d692146b0e5c8c38ba9", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.33s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/premultiply-9a75925244e3e8c7)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test 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 premultiply
[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" "f7f7ae320324cae61e73088125eccd7cc192356badea4d692146b0e5c8c38ba9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f7f7ae320324cae61e73088125eccd7cc192356badea4d692146b0e5c8c38ba9", kill_on_drop: false }`
[INFO] [stdout] f7f7ae320324cae61e73088125eccd7cc192356badea4d692146b0e5c8c38ba9