[INFO] fetching crate cycle 0.2.1...
[INFO] testing cycle-0.2.1 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate cycle 0.2.1 into /workspace/builds/worker-15/source
[INFO] validating manifest of crates.io crate cycle 0.2.1 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 cycle 0.2.1
[INFO] finished tweaking crates.io crate cycle 0.2.1
[INFO] tweaked toml for crates.io crate cycle 0.2.1 written to /workspace/builds/worker-15/source/Cargo.toml
[INFO] crate crates.io crate cycle 0.2.1 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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] c32b1ae04c26daaa195ad1715e7a932c474b923ef06106ebe7fa82a5e3a77450
[INFO] running `Command { std: "docker" "start" "-a" "c32b1ae04c26daaa195ad1715e7a932c474b923ef06106ebe7fa82a5e3a77450", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c32b1ae04c26daaa195ad1715e7a932c474b923ef06106ebe7fa82a5e3a77450", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c32b1ae04c26daaa195ad1715e7a932c474b923ef06106ebe7fa82a5e3a77450", kill_on_drop: false }`
[INFO] [stdout] c32b1ae04c26daaa195ad1715e7a932c474b923ef06106ebe7fa82a5e3a77450
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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] 476d5bb72ef4a6911243cd63a09670a3500eea921073f1a8fd4e2c4b8b188e08
[INFO] running `Command { std: "docker" "start" "-a" "476d5bb72ef4a6911243cd63a09670a3500eea921073f1a8fd4e2c4b8b188e08", 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]    Compiling cycle v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.85s
[INFO] running `Command { std: "docker" "inspect" "476d5bb72ef4a6911243cd63a09670a3500eea921073f1a8fd4e2c4b8b188e08", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "476d5bb72ef4a6911243cd63a09670a3500eea921073f1a8fd4e2c4b8b188e08", kill_on_drop: false }`
[INFO] [stdout] 476d5bb72ef4a6911243cd63a09670a3500eea921073f1a8fd4e2c4b8b188e08
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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] 000f2d5b33c45626022ef5aac04b360f6d875caa53aa8164ade5838da86aa962
[INFO] running `Command { std: "docker" "start" "-a" "000f2d5b33c45626022ef5aac04b360f6d875caa53aa8164ade5838da86aa962", kill_on_drop: false }`
[INFO] [stderr]    Compiling cycle v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.90s
[INFO] running `Command { std: "docker" "inspect" "000f2d5b33c45626022ef5aac04b360f6d875caa53aa8164ade5838da86aa962", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "000f2d5b33c45626022ef5aac04b360f6d875caa53aa8164ade5838da86aa962", kill_on_drop: false }`
[INFO] [stdout] 000f2d5b33c45626022ef5aac04b360f6d875caa53aa8164ade5838da86aa962
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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] 4a8f48e192b2682724c1f540b456fc38bad055099541ff060446349d34ce9ed0
[INFO] running `Command { std: "docker" "start" "-a" "4a8f48e192b2682724c1f540b456fc38bad055099541ff060446349d34ce9ed0", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/cycle-e415c22c6f603e66)
[INFO] [stdout] running 5 tests
[INFO] [stdout] test base::ring::num_integer::tests::dom ... ok
[INFO] [stdout] test base::ring::poly::tests::dom ... ok
[INFO] [stdout] test base::ring::num_rational::tests::dom ... ok
[INFO] [stderr]      Running tests/alg.rs (/opt/rustwide/target/debug/deps/alg-8c1fcbf544844e21)
[INFO] [stdout] test base::ring::poly::tests::ops ... ok
[INFO] [stdout] test base::ring::num_rational::tests::ops ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test simplification ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests cycle
[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" "4a8f48e192b2682724c1f540b456fc38bad055099541ff060446349d34ce9ed0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4a8f48e192b2682724c1f540b456fc38bad055099541ff060446349d34ce9ed0", kill_on_drop: false }`
[INFO] [stdout] 4a8f48e192b2682724c1f540b456fc38bad055099541ff060446349d34ce9ed0