[INFO] fetching crate semantic 0.0.1...
[INFO] testing semantic-0.0.1 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate semantic 0.0.1 into /workspace/builds/worker-48/source
[INFO] validating manifest of crates.io crate semantic 0.0.1 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 semantic 0.0.1
[INFO] finished tweaking crates.io crate semantic 0.0.1
[INFO] tweaked toml for crates.io crate semantic 0.0.1 written to /workspace/builds/worker-48/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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-48/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-48/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] cf67f739ded24cd5367a3109a708da79d633251490f316eefdfbdd2c99084807
[INFO] running `Command { std: "docker" "start" "-a" "cf67f739ded24cd5367a3109a708da79d633251490f316eefdfbdd2c99084807", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cf67f739ded24cd5367a3109a708da79d633251490f316eefdfbdd2c99084807", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cf67f739ded24cd5367a3109a708da79d633251490f316eefdfbdd2c99084807", kill_on_drop: false }`
[INFO] [stdout] cf67f739ded24cd5367a3109a708da79d633251490f316eefdfbdd2c99084807
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-48/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-48/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] 3fc85fddc7a9d4717adcde95164bef651e2e83d3ebaef8a096ca386b01c8cf66
[INFO] running `Command { std: "docker" "start" "-a" "3fc85fddc7a9d4717adcde95164bef651e2e83d3ebaef8a096ca386b01c8cf66", kill_on_drop: false }`
[INFO] [stderr]    Compiling semantic v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.23s
[INFO] running `Command { std: "docker" "inspect" "3fc85fddc7a9d4717adcde95164bef651e2e83d3ebaef8a096ca386b01c8cf66", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3fc85fddc7a9d4717adcde95164bef651e2e83d3ebaef8a096ca386b01c8cf66", kill_on_drop: false }`
[INFO] [stdout] 3fc85fddc7a9d4717adcde95164bef651e2e83d3ebaef8a096ca386b01c8cf66
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-48/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-48/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] db731e68e342251841332bf3fccc857334201208aa7f3332ff5227de0d990df0
[INFO] running `Command { std: "docker" "start" "-a" "db731e68e342251841332bf3fccc857334201208aa7f3332ff5227de0d990df0", kill_on_drop: false }`
[INFO] [stderr]    Compiling semantic v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.41s
[INFO] running `Command { std: "docker" "inspect" "db731e68e342251841332bf3fccc857334201208aa7f3332ff5227de0d990df0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "db731e68e342251841332bf3fccc857334201208aa7f3332ff5227de0d990df0", kill_on_drop: false }`
[INFO] [stdout] db731e68e342251841332bf3fccc857334201208aa7f3332ff5227de0d990df0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-48/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-48/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] 156a322e392fa24fa3e69caad1e4c722a9239d99c797aa641e5b71310347daeb
[INFO] running `Command { std: "docker" "start" "-a" "156a322e392fa24fa3e69caad1e4c722a9239d99c797aa641e5b71310347daeb", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/semantic-d4bd9621b4b3b319)
[INFO] [stdout] running 1 test
[INFO] [stdout] test 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 semantic
[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" "156a322e392fa24fa3e69caad1e4c722a9239d99c797aa641e5b71310347daeb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "156a322e392fa24fa3e69caad1e4c722a9239d99c797aa641e5b71310347daeb", kill_on_drop: false }`
[INFO] [stdout] 156a322e392fa24fa3e69caad1e4c722a9239d99c797aa641e5b71310347daeb