[INFO] fetching crate mct 0.0.1...
[INFO] testing mct-0.0.1 against beta-2021-08-01 for beta-1.55-1
[INFO] extracting crate mct 0.0.1 into /workspace/builds/worker-117/source
[INFO] validating manifest of crates.io crate mct 0.0.1 on toolchain beta-2021-08-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate mct 0.0.1
[INFO] finished tweaking crates.io crate mct 0.0.1
[INFO] tweaked toml for crates.io crate mct 0.0.1 written to /workspace/builds/worker-117/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "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-2021-08-01" "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-117/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-117/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 176122b22cbaa58f1f08a0ec070d0f7a41abc0feaf8d592d0dcd0f69aed25ba9
[INFO] running `Command { std: "docker" "start" "-a" "176122b22cbaa58f1f08a0ec070d0f7a41abc0feaf8d592d0dcd0f69aed25ba9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "176122b22cbaa58f1f08a0ec070d0f7a41abc0feaf8d592d0dcd0f69aed25ba9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "176122b22cbaa58f1f08a0ec070d0f7a41abc0feaf8d592d0dcd0f69aed25ba9", kill_on_drop: false }`
[INFO] [stdout] 176122b22cbaa58f1f08a0ec070d0f7a41abc0feaf8d592d0dcd0f69aed25ba9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-117/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-117/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6f94b6cb0f502644b026b5a3d65400bab795d36ebd5776456149b5ec348a42dd
[INFO] running `Command { std: "docker" "start" "-a" "6f94b6cb0f502644b026b5a3d65400bab795d36ebd5776456149b5ec348a42dd", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling mct v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.71s
[INFO] running `Command { std: "docker" "inspect" "6f94b6cb0f502644b026b5a3d65400bab795d36ebd5776456149b5ec348a42dd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6f94b6cb0f502644b026b5a3d65400bab795d36ebd5776456149b5ec348a42dd", kill_on_drop: false }`
[INFO] [stdout] 6f94b6cb0f502644b026b5a3d65400bab795d36ebd5776456149b5ec348a42dd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-117/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-117/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e4462f019295fb759260d810a2b9fefbde9cb2c6302125434af57b3497df024e
[INFO] running `Command { std: "docker" "start" "-a" "e4462f019295fb759260d810a2b9fefbde9cb2c6302125434af57b3497df024e", kill_on_drop: false }`
[INFO] [stderr]    Compiling mct v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.75s
[INFO] running `Command { std: "docker" "inspect" "e4462f019295fb759260d810a2b9fefbde9cb2c6302125434af57b3497df024e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e4462f019295fb759260d810a2b9fefbde9cb2c6302125434af57b3497df024e", kill_on_drop: false }`
[INFO] [stdout] e4462f019295fb759260d810a2b9fefbde9cb2c6302125434af57b3497df024e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-117/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-117/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 0797feb58848c2e1b07e70b37b3a0d9cee48ee5cf7d35eb4a56d379dc56d2147
[INFO] running `Command { std: "docker" "start" "-a" "0797feb58848c2e1b07e70b37b3a0d9cee48ee5cf7d35eb4a56d379dc56d2147", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.25s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/mct-25750f556a1ce0c5)
[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" "0797feb58848c2e1b07e70b37b3a0d9cee48ee5cf7d35eb4a56d379dc56d2147", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0797feb58848c2e1b07e70b37b3a0d9cee48ee5cf7d35eb4a56d379dc56d2147", kill_on_drop: false }`
[INFO] [stdout] 0797feb58848c2e1b07e70b37b3a0d9cee48ee5cf7d35eb4a56d379dc56d2147
