[INFO] fetching crate scuba 0.0.0...
[INFO] testing scuba-0.0.0 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate scuba 0.0.0 into /workspace/builds/worker-74/source
[INFO] validating manifest of crates.io crate scuba 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 scuba 0.0.0
[INFO] finished tweaking crates.io crate scuba 0.0.0
[INFO] tweaked toml for crates.io crate scuba 0.0.0 written to /workspace/builds/worker-74/source/Cargo.toml
[INFO] crate crates.io crate scuba 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-74/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-74/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] d1cc853bb3bebd5ad25e2e01cf7fa165f087553ccb346a7d1f423365ff1cc5cd
[INFO] running `Command { std: "docker" "start" "-a" "d1cc853bb3bebd5ad25e2e01cf7fa165f087553ccb346a7d1f423365ff1cc5cd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d1cc853bb3bebd5ad25e2e01cf7fa165f087553ccb346a7d1f423365ff1cc5cd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d1cc853bb3bebd5ad25e2e01cf7fa165f087553ccb346a7d1f423365ff1cc5cd", kill_on_drop: false }`
[INFO] [stdout] d1cc853bb3bebd5ad25e2e01cf7fa165f087553ccb346a7d1f423365ff1cc5cd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-74/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-74/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] 9272c53a15561c57120ba5b8555626c14c9d187aec7a378748a3859f5da49b8d
[INFO] running `Command { std: "docker" "start" "-a" "9272c53a15561c57120ba5b8555626c14c9d187aec7a378748a3859f5da49b8d", kill_on_drop: false }`
[INFO] [stderr]    Compiling scuba v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.88s
[INFO] running `Command { std: "docker" "inspect" "9272c53a15561c57120ba5b8555626c14c9d187aec7a378748a3859f5da49b8d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9272c53a15561c57120ba5b8555626c14c9d187aec7a378748a3859f5da49b8d", kill_on_drop: false }`
[INFO] [stdout] 9272c53a15561c57120ba5b8555626c14c9d187aec7a378748a3859f5da49b8d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-74/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-74/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] ec8596cfa67643a03158b1e70851b41e9122a99b9b25d9b5f9f54ebb8f6085ec
[INFO] running `Command { std: "docker" "start" "-a" "ec8596cfa67643a03158b1e70851b41e9122a99b9b25d9b5f9f54ebb8f6085ec", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling scuba v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.79s
[INFO] running `Command { std: "docker" "inspect" "ec8596cfa67643a03158b1e70851b41e9122a99b9b25d9b5f9f54ebb8f6085ec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ec8596cfa67643a03158b1e70851b41e9122a99b9b25d9b5f9f54ebb8f6085ec", kill_on_drop: false }`
[INFO] [stdout] ec8596cfa67643a03158b1e70851b41e9122a99b9b25d9b5f9f54ebb8f6085ec
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-74/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-74/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] f83d253a0d18f3ab9716fe105ac59c9ba255468fd0e04ea2b8555381f1c8459d
[INFO] running `Command { std: "docker" "start" "-a" "f83d253a0d18f3ab9716fe105ac59c9ba255468fd0e04ea2b8555381f1c8459d", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/scuba-457583493885dd63)
[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" "f83d253a0d18f3ab9716fe105ac59c9ba255468fd0e04ea2b8555381f1c8459d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f83d253a0d18f3ab9716fe105ac59c9ba255468fd0e04ea2b8555381f1c8459d", kill_on_drop: false }`
[INFO] [stdout] f83d253a0d18f3ab9716fe105ac59c9ba255468fd0e04ea2b8555381f1c8459d