[INFO] fetching crate mountain 0.0.0...
[INFO] testing mountain-0.0.0 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate mountain 0.0.0 into /workspace/builds/worker-78/source
[INFO] validating manifest of crates.io crate mountain 0.0.0 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 mountain 0.0.0
[INFO] finished tweaking crates.io crate mountain 0.0.0
[INFO] tweaked toml for crates.io crate mountain 0.0.0 written to /workspace/builds/worker-78/source/Cargo.toml
[INFO] crate crates.io crate mountain 0.0.0 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-78/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-78/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] c8d0183c723fa704da35a84f32594e0d33b4b1c1497f15ffa80313ba36dcd8ab
[INFO] running `Command { std: "docker" "start" "-a" "c8d0183c723fa704da35a84f32594e0d33b4b1c1497f15ffa80313ba36dcd8ab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c8d0183c723fa704da35a84f32594e0d33b4b1c1497f15ffa80313ba36dcd8ab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c8d0183c723fa704da35a84f32594e0d33b4b1c1497f15ffa80313ba36dcd8ab", kill_on_drop: false }`
[INFO] [stdout] c8d0183c723fa704da35a84f32594e0d33b4b1c1497f15ffa80313ba36dcd8ab
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-78/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-78/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] afd72f60c1a0221f07942ff874deaadbf49c29c4e58d80aa9b12b9846ca1efb6
[INFO] running `Command { std: "docker" "start" "-a" "afd72f60c1a0221f07942ff874deaadbf49c29c4e58d80aa9b12b9846ca1efb6", 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling mountain v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.26s
[INFO] running `Command { std: "docker" "inspect" "afd72f60c1a0221f07942ff874deaadbf49c29c4e58d80aa9b12b9846ca1efb6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "afd72f60c1a0221f07942ff874deaadbf49c29c4e58d80aa9b12b9846ca1efb6", kill_on_drop: false }`
[INFO] [stdout] afd72f60c1a0221f07942ff874deaadbf49c29c4e58d80aa9b12b9846ca1efb6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-78/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-78/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] 51d6439b4a17d5943a0702674d320661ff82d8d17519a84a61776bde116a4998
[INFO] running `Command { std: "docker" "start" "-a" "51d6439b4a17d5943a0702674d320661ff82d8d17519a84a61776bde116a4998", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling mountain v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.95s
[INFO] running `Command { std: "docker" "inspect" "51d6439b4a17d5943a0702674d320661ff82d8d17519a84a61776bde116a4998", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "51d6439b4a17d5943a0702674d320661ff82d8d17519a84a61776bde116a4998", kill_on_drop: false }`
[INFO] [stdout] 51d6439b4a17d5943a0702674d320661ff82d8d17519a84a61776bde116a4998
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-78/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-78/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] ec2140e64e4123948908ce30307b7cc9f590fd16175e95119f65c2b91ad1520f
[INFO] running `Command { std: "docker" "start" "-a" "ec2140e64e4123948908ce30307b7cc9f590fd16175e95119f65c2b91ad1520f", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/mountain-2e67fae0fcd6e46f)
[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" "ec2140e64e4123948908ce30307b7cc9f590fd16175e95119f65c2b91ad1520f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ec2140e64e4123948908ce30307b7cc9f590fd16175e95119f65c2b91ad1520f", kill_on_drop: false }`
[INFO] [stdout] ec2140e64e4123948908ce30307b7cc9f590fd16175e95119f65c2b91ad1520f