[INFO] fetching crate mona 0.1.0...
[INFO] testing mona-0.1.0 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate mona 0.1.0 into /workspace/builds/worker-57/source
[INFO] validating manifest of crates.io crate mona 0.1.0 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 crates.io crate mona 0.1.0
[INFO] finished tweaking crates.io crate mona 0.1.0
[INFO] tweaked toml for crates.io crate mona 0.1.0 written to /workspace/builds/worker-57/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-57/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-57/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] a0b1edeed8276bc1693ff03729cf60857236339443885a5e290c994f44271be2
[INFO] running `Command { std: "docker" "start" "-a" "a0b1edeed8276bc1693ff03729cf60857236339443885a5e290c994f44271be2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a0b1edeed8276bc1693ff03729cf60857236339443885a5e290c994f44271be2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a0b1edeed8276bc1693ff03729cf60857236339443885a5e290c994f44271be2", kill_on_drop: false }`
[INFO] [stdout] a0b1edeed8276bc1693ff03729cf60857236339443885a5e290c994f44271be2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-57/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-57/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] 0f9e1144c88baae6577b366d30c72a6d30e1bb30b7bdda63470c81ffcd68dbef
[INFO] running `Command { std: "docker" "start" "-a" "0f9e1144c88baae6577b366d30c72a6d30e1bb30b7bdda63470c81ffcd68dbef", kill_on_drop: false }`
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]    Compiling itertools v0.10.1
[INFO] [stderr]    Compiling mona v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.18s
[INFO] running `Command { std: "docker" "inspect" "0f9e1144c88baae6577b366d30c72a6d30e1bb30b7bdda63470c81ffcd68dbef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0f9e1144c88baae6577b366d30c72a6d30e1bb30b7bdda63470c81ffcd68dbef", kill_on_drop: false }`
[INFO] [stdout] 0f9e1144c88baae6577b366d30c72a6d30e1bb30b7bdda63470c81ffcd68dbef
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-57/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-57/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] c21f84b6dfd57765310fadc93b13e96923c94bf513c0c0f46a8a63167c425bac
[INFO] running `Command { std: "docker" "start" "-a" "c21f84b6dfd57765310fadc93b13e96923c94bf513c0c0f46a8a63167c425bac", kill_on_drop: false }`
[INFO] [stderr]    Compiling mona v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.92s
[INFO] running `Command { std: "docker" "inspect" "c21f84b6dfd57765310fadc93b13e96923c94bf513c0c0f46a8a63167c425bac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c21f84b6dfd57765310fadc93b13e96923c94bf513c0c0f46a8a63167c425bac", kill_on_drop: false }`
[INFO] [stdout] c21f84b6dfd57765310fadc93b13e96923c94bf513c0c0f46a8a63167c425bac
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-57/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-57/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] ecf2adf2d3202915371110e546aed32e4866b0f7acce6ff850c3d38870542d9e
[INFO] running `Command { std: "docker" "start" "-a" "ecf2adf2d3202915371110e546aed32e4866b0f7acce6ff850c3d38870542d9e", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/mona-f47fda05a5bb2dfb)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test transpose::tests::transpose_vec_vec ... 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 mona
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - (line 20) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.57s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "ecf2adf2d3202915371110e546aed32e4866b0f7acce6ff850c3d38870542d9e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ecf2adf2d3202915371110e546aed32e4866b0f7acce6ff850c3d38870542d9e", kill_on_drop: false }`
[INFO] [stdout] ecf2adf2d3202915371110e546aed32e4866b0f7acce6ff850c3d38870542d9e