[INFO] fetching crate unchecked_unwrap 2.0.2...
[INFO] testing unchecked_unwrap-2.0.2 against beta-2021-01-01 for beta-1.50-1
[INFO] extracting crate unchecked_unwrap 2.0.2 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate unchecked_unwrap 2.0.2 on toolchain beta-2021-01-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate unchecked_unwrap 2.0.2
[INFO] finished tweaking crates.io crate unchecked_unwrap 2.0.2
[INFO] tweaked toml for crates.io crate unchecked_unwrap 2.0.2 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8646497f86f8fd7dd5c814b606eb70967b5e9f6282b65cf021091bcf7455496a
[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" "8646497f86f8fd7dd5c814b606eb70967b5e9f6282b65cf021091bcf7455496a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8646497f86f8fd7dd5c814b606eb70967b5e9f6282b65cf021091bcf7455496a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8646497f86f8fd7dd5c814b606eb70967b5e9f6282b65cf021091bcf7455496a", kill_on_drop: false }`
[INFO] [stdout] 8646497f86f8fd7dd5c814b606eb70967b5e9f6282b65cf021091bcf7455496a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6efaebeb0af4043a8ab468e368bbca476dab346b2ca8e37e7312665ee06ea295
[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" "6efaebeb0af4043a8ab468e368bbca476dab346b2ca8e37e7312665ee06ea295", kill_on_drop: false }`
[INFO] [stderr]    Compiling unchecked_unwrap v2.0.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.40s
[INFO] running `Command { std: "docker" "inspect" "6efaebeb0af4043a8ab468e368bbca476dab346b2ca8e37e7312665ee06ea295", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6efaebeb0af4043a8ab468e368bbca476dab346b2ca8e37e7312665ee06ea295", kill_on_drop: false }`
[INFO] [stdout] 6efaebeb0af4043a8ab468e368bbca476dab346b2ca8e37e7312665ee06ea295
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2670643cba4e2de0c6d01601bbb630b28ccd342c2a8a59338defbf0de2e523da
[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" "2670643cba4e2de0c6d01601bbb630b28ccd342c2a8a59338defbf0de2e523da", kill_on_drop: false }`
[INFO] [stderr]    Compiling unchecked_unwrap v2.0.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.87s
[INFO] running `Command { std: "docker" "inspect" "2670643cba4e2de0c6d01601bbb630b28ccd342c2a8a59338defbf0de2e523da", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2670643cba4e2de0c6d01601bbb630b28ccd342c2a8a59338defbf0de2e523da", kill_on_drop: false }`
[INFO] [stdout] 2670643cba4e2de0c6d01601bbb630b28ccd342c2a8a59338defbf0de2e523da
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] d4b965d511bec97d43a64c2e82f9e2958cceee5f757d1a661f4c2f90712df126
[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" "d4b965d511bec97d43a64c2e82f9e2958cceee5f757d1a661f4c2f90712df126", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stdout] running 8 tests
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/tests-fd942664ca4a2872
[INFO] [stdout] test result_unwrap_success ... ok
[INFO] [stdout] test result_expect_success ... ok
[INFO] [stdout] test option_unwrap_success ... ok
[INFO] [stdout] test option_expect_success ... ok
[INFO] [stdout] test option_expect_failure ... ok
[INFO] [stdout] test result_unwrap_failure ... ok
[INFO] [stdout] test option_unwrap_failure ... ok
[INFO] [stderr]    Doc-tests unchecked_unwrap
[INFO] [stdout] test result_expect_failure ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 8 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.06s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/lib.rs - UncheckedUnwrap::unchecked_unwrap (line 86) ... ok
[INFO] [stdout] test src/lib.rs - UncheckedExpect::unchecked_expect (line 45) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.78s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "d4b965d511bec97d43a64c2e82f9e2958cceee5f757d1a661f4c2f90712df126", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d4b965d511bec97d43a64c2e82f9e2958cceee5f757d1a661f4c2f90712df126", kill_on_drop: false }`
[INFO] [stdout] d4b965d511bec97d43a64c2e82f9e2958cceee5f757d1a661f4c2f90712df126