[INFO] fetching crate rurel 0.2.0...
[INFO] testing rurel-0.2.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate rurel 0.2.0 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate rurel 0.2.0 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rurel 0.2.0
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate rurel 0.2.0
[INFO] tweaked toml for crates.io crate rurel 0.2.0 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate crates.io crate rurel 0.2.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "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-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2a80a73d794c603f5c596af3526c83453b26e2c3f4cd5dfc3b131fe40255742c
[INFO] running `Command { std: "docker" "start" "-a" "2a80a73d794c603f5c596af3526c83453b26e2c3f4cd5dfc3b131fe40255742c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2a80a73d794c603f5c596af3526c83453b26e2c3f4cd5dfc3b131fe40255742c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2a80a73d794c603f5c596af3526c83453b26e2c3f4cd5dfc3b131fe40255742c", kill_on_drop: false }`
[INFO] [stdout] 2a80a73d794c603f5c596af3526c83453b26e2c3f4cd5dfc3b131fe40255742c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7c71f574a19d55eab4dafb0bc4ab21af426679ba06c380b5fea4dc989efa44da
[INFO] running `Command { std: "docker" "start" "-a" "7c71f574a19d55eab4dafb0bc4ab21af426679ba06c380b5fea4dc989efa44da", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.91
[INFO] [stderr]    Compiling getrandom v0.2.2
[INFO] [stderr]    Compiling rand_core v0.6.2
[INFO] [stderr]    Compiling rand_chacha v0.3.0
[INFO] [stderr]    Compiling rand v0.8.3
[INFO] [stderr]    Compiling rurel v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.99s
[INFO] running `Command { std: "docker" "inspect" "7c71f574a19d55eab4dafb0bc4ab21af426679ba06c380b5fea4dc989efa44da", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7c71f574a19d55eab4dafb0bc4ab21af426679ba06c380b5fea4dc989efa44da", kill_on_drop: false }`
[INFO] [stdout] 7c71f574a19d55eab4dafb0bc4ab21af426679ba06c380b5fea4dc989efa44da
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d1884a73c916ce81c99ff92eed15ebbb3d28c64f4c41638bf8266c274cfc2462
[INFO] running `Command { std: "docker" "start" "-a" "d1884a73c916ce81c99ff92eed15ebbb3d28c64f4c41638bf8266c274cfc2462", kill_on_drop: false }`
[INFO] [stderr]    Compiling rurel v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.85s
[INFO] running `Command { std: "docker" "inspect" "d1884a73c916ce81c99ff92eed15ebbb3d28c64f4c41638bf8266c274cfc2462", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d1884a73c916ce81c99ff92eed15ebbb3d28c64f4c41638bf8266c274cfc2462", kill_on_drop: false }`
[INFO] [stdout] d1884a73c916ce81c99ff92eed15ebbb3d28c64f4c41638bf8266c274cfc2462
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 659633b98d9928639227b6026f143cb524769a0de5b6937c457650f9d6fa8bf5
[INFO] running `Command { std: "docker" "start" "-a" "659633b98d9928639227b6026f143cb524769a0de5b6937c457650f9d6fa8bf5", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rurel-2c41912062e323f4)
[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] [stderr]    Doc-tests rurel
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - (line 19) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.34s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "659633b98d9928639227b6026f143cb524769a0de5b6937c457650f9d6fa8bf5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "659633b98d9928639227b6026f143cb524769a0de5b6937c457650f9d6fa8bf5", kill_on_drop: false }`
[INFO] [stdout] 659633b98d9928639227b6026f143cb524769a0de5b6937c457650f9d6fa8bf5