[INFO] fetching crate tuple-transpose 0.1.0...
[INFO] testing tuple-transpose-0.1.0 against beta-2021-01-01 for beta-1.50-1
[INFO] extracting crate tuple-transpose 0.1.0 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate tuple-transpose 0.1.0 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 tuple-transpose 0.1.0
[INFO] finished tweaking crates.io crate tuple-transpose 0.1.0
[INFO] tweaked toml for crates.io crate tuple-transpose 0.1.0 written to /workspace/builds/worker-0/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-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] c626cd9cb1b9f90354f5b29b98465c7c5a603d23c388f1548e19c3b7e72e64c5
[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" "c626cd9cb1b9f90354f5b29b98465c7c5a603d23c388f1548e19c3b7e72e64c5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c626cd9cb1b9f90354f5b29b98465c7c5a603d23c388f1548e19c3b7e72e64c5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c626cd9cb1b9f90354f5b29b98465c7c5a603d23c388f1548e19c3b7e72e64c5", kill_on_drop: false }`
[INFO] [stdout] c626cd9cb1b9f90354f5b29b98465c7c5a603d23c388f1548e19c3b7e72e64c5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] 6d4b81796e7f6e29b1888cace5a8cf3a2dce5b78bb266ff7c38538602958ddd3
[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" "6d4b81796e7f6e29b1888cace5a8cf3a2dce5b78bb266ff7c38538602958ddd3", kill_on_drop: false }`
[INFO] [stderr]    Compiling tuple-transpose v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.52s
[INFO] running `Command { std: "docker" "inspect" "6d4b81796e7f6e29b1888cace5a8cf3a2dce5b78bb266ff7c38538602958ddd3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6d4b81796e7f6e29b1888cace5a8cf3a2dce5b78bb266ff7c38538602958ddd3", kill_on_drop: false }`
[INFO] [stdout] 6d4b81796e7f6e29b1888cace5a8cf3a2dce5b78bb266ff7c38538602958ddd3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] 11e1908e10f3c29e5b4eec9dafc53d1e46cce17daa510168dd8eda20104c79f5
[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" "11e1908e10f3c29e5b4eec9dafc53d1e46cce17daa510168dd8eda20104c79f5", kill_on_drop: false }`
[INFO] [stderr]    Compiling tuple-transpose v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.71s
[INFO] running `Command { std: "docker" "inspect" "11e1908e10f3c29e5b4eec9dafc53d1e46cce17daa510168dd8eda20104c79f5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "11e1908e10f3c29e5b4eec9dafc53d1e46cce17daa510168dd8eda20104c79f5", kill_on_drop: false }`
[INFO] [stdout] 11e1908e10f3c29e5b4eec9dafc53d1e46cce17daa510168dd8eda20104c79f5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] cdcae3e77db5d82617b8f35f8851148a849c3f9737a9e695dcbdae6e225b25d3
[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" "cdcae3e77db5d82617b8f35f8851148a849c3f9737a9e695dcbdae6e225b25d3", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.00s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/tuple_transpose-0b3853e3d95dcaa5
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test tests::test_err_ok ... ok
[INFO] [stdout] test tests::test_none_some ... ok
[INFO] [stdout] test tests::test_ok_err ... ok
[INFO] [stdout] test tests::test_some_none ... ok
[INFO] [stdout] test tests::test_some_some ... ok
[INFO] [stdout] test tests::test_ok_ok ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests tuple-transpose
[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" "cdcae3e77db5d82617b8f35f8851148a849c3f9737a9e695dcbdae6e225b25d3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cdcae3e77db5d82617b8f35f8851148a849c3f9737a9e695dcbdae6e225b25d3", kill_on_drop: false }`
[INFO] [stdout] cdcae3e77db5d82617b8f35f8851148a849c3f9737a9e695dcbdae6e225b25d3