[INFO] fetching crate cassie 0.1.2...
[INFO] testing cassie-0.1.2 against 1.55.0 for beta-1.56-1
[INFO] extracting crate cassie 0.1.2 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate cassie 0.1.2 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 cassie 0.1.2
[INFO] finished tweaking crates.io crate cassie 0.1.2
[INFO] tweaked toml for crates.io crate cassie 0.1.2 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] 2bc114a0e294b3e9e5cae365d35a9f6686827fc5cbcf5b9be64e92ef24c57940
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "2bc114a0e294b3e9e5cae365d35a9f6686827fc5cbcf5b9be64e92ef24c57940", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2bc114a0e294b3e9e5cae365d35a9f6686827fc5cbcf5b9be64e92ef24c57940", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2bc114a0e294b3e9e5cae365d35a9f6686827fc5cbcf5b9be64e92ef24c57940", kill_on_drop: false }`
[INFO] [stdout] 2bc114a0e294b3e9e5cae365d35a9f6686827fc5cbcf5b9be64e92ef24c57940
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] 5db945272175c2728373fb8d14e561e859288abc7b1ad0c66a8d16a378e33fc7
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "5db945272175c2728373fb8d14e561e859288abc7b1ad0c66a8d16a378e33fc7", kill_on_drop: false }`
[INFO] [stderr]    Compiling cassie v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.71s
[INFO] running `Command { std: "docker" "inspect" "5db945272175c2728373fb8d14e561e859288abc7b1ad0c66a8d16a378e33fc7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5db945272175c2728373fb8d14e561e859288abc7b1ad0c66a8d16a378e33fc7", kill_on_drop: false }`
[INFO] [stdout] 5db945272175c2728373fb8d14e561e859288abc7b1ad0c66a8d16a378e33fc7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] 41e5a1d08080066437176edb9b2d9a3fc7180b10dec3091bb01a6574c29f27ff
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "41e5a1d08080066437176edb9b2d9a3fc7180b10dec3091bb01a6574c29f27ff", kill_on_drop: false }`
[INFO] [stderr]    Compiling cassie v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.91s
[INFO] running `Command { std: "docker" "inspect" "41e5a1d08080066437176edb9b2d9a3fc7180b10dec3091bb01a6574c29f27ff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "41e5a1d08080066437176edb9b2d9a3fc7180b10dec3091bb01a6574c29f27ff", kill_on_drop: false }`
[INFO] [stdout] 41e5a1d08080066437176edb9b2d9a3fc7180b10dec3091bb01a6574c29f27ff
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 8631b732175c7c276d89f726c8bfe502692b88476d4c82476365085ab77aa1bb
[INFO] running `Command { std: "docker" "start" "-a" "8631b732175c7c276d89f726c8bfe502692b88476d4c82476365085ab77aa1bb", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/cassie-d728280e0ef2a04a)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests cassie
[INFO] [stdout] running 2 tests
[INFO] [stdout] test tests::it_works ... ok
[INFO] [stdout] test variable::tests::it_works ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 12 tests
[INFO] [stdout] test src/term.rs - term::Term::Difference (line 68) ... ok
[INFO] [stdout] test src/term.rs - term::Term::reduce (line 186) ... ok
[INFO] [stdout] test src/term.rs - term::Term::Quotient (line 108) ... ok
[INFO] [stdout] test src/variable.rs - variable::Variable::new (line 29) ... ok
[INFO] [stdout] test src/term.rs - term::Term::evaluate (line 164) ... ok
[INFO] [stdout] test src/term.rs - term::Term::Constant (line 37) ... ok
[INFO] [stdout] test src/term.rs - term::Term::Product (line 87) ... ok
[INFO] [stdout] test src/variable.rs - variable::Variable::from_str (line 60) ... ok
[INFO] [stdout] test src/variable.rs - variable::Variable::fmt (line 44) ... ok
[INFO] [stdout] test src/variable.rs - variable::Variable::named (line 16) ... ok
[INFO] [stdout] test src/term.rs - term::Term::Sum (line 49) ... ok
[INFO] [stdout] test src/term.rs - term::Term::Variable (line 20) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 12 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 3.35s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "8631b732175c7c276d89f726c8bfe502692b88476d4c82476365085ab77aa1bb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8631b732175c7c276d89f726c8bfe502692b88476d4c82476365085ab77aa1bb", kill_on_drop: false }`
[INFO] [stdout] 8631b732175c7c276d89f726c8bfe502692b88476d4c82476365085ab77aa1bb