[INFO] fetching crate permute 0.1.0...
[INFO] testing permute-0.1.0 against 1.49.0 for beta-1.50-1
[INFO] extracting crate permute 0.1.0 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate permute 0.1.0 on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate permute 0.1.0
[INFO] finished tweaking crates.io crate permute 0.1.0
[INFO] tweaked toml for crates.io crate permute 0.1.0 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5ebbdbd8c3657e1778e488c50a50da7b4d000312546c4b7c38eb6b60b85ae68f
[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" "5ebbdbd8c3657e1778e488c50a50da7b4d000312546c4b7c38eb6b60b85ae68f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5ebbdbd8c3657e1778e488c50a50da7b4d000312546c4b7c38eb6b60b85ae68f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5ebbdbd8c3657e1778e488c50a50da7b4d000312546c4b7c38eb6b60b85ae68f", kill_on_drop: false }`
[INFO] [stdout] 5ebbdbd8c3657e1778e488c50a50da7b4d000312546c4b7c38eb6b60b85ae68f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] dff88443b43294ecbb675c821c47a00c60fcef9a557d55dd31d605d2489e277b
[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" "dff88443b43294ecbb675c821c47a00c60fcef9a557d55dd31d605d2489e277b", kill_on_drop: false }`
[INFO] [stderr]    Compiling permute v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.62s
[INFO] running `Command { std: "docker" "inspect" "dff88443b43294ecbb675c821c47a00c60fcef9a557d55dd31d605d2489e277b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dff88443b43294ecbb675c821c47a00c60fcef9a557d55dd31d605d2489e277b", kill_on_drop: false }`
[INFO] [stdout] dff88443b43294ecbb675c821c47a00c60fcef9a557d55dd31d605d2489e277b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "+1.49.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 16c1a9ea30974f9b89d450c54088301497597e2cf6b29c64885eb4a0de90e9a7
[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" "16c1a9ea30974f9b89d450c54088301497597e2cf6b29c64885eb4a0de90e9a7", kill_on_drop: false }`
[INFO] [stderr]    Compiling permute v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.59s
[INFO] running `Command { std: "docker" "inspect" "16c1a9ea30974f9b89d450c54088301497597e2cf6b29c64885eb4a0de90e9a7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "16c1a9ea30974f9b89d450c54088301497597e2cf6b29c64885eb4a0de90e9a7", kill_on_drop: false }`
[INFO] [stdout] 16c1a9ea30974f9b89d450c54088301497597e2cf6b29c64885eb4a0de90e9a7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "+1.49.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] b94057ce3afd91affe91dc24a13ceefe982d239c26b76ed9fb2b6d0f04b944c3
[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" "b94057ce3afd91affe91dc24a13ceefe982d239c26b76ed9fb2b6d0f04b944c3", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/permute-f9a96699b664ab2a
[INFO] [stdout] running 4 tests
[INFO] [stderr]    Doc-tests permute
[INFO] [stdout] test arbitrary_tandem_control_iter::heterogeneous_vecs_nocopy ... ok
[INFO] [stdout] test permute_iter::strings_nocopy ... ok
[INFO] [stdout] test arbitrary_tandem_control_iter::homogeneous_vecs ... ok
[INFO] [stdout] test permutations::permute_numbers ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test src/permutations.rs - permutations::permute (line 34) ... ok
[INFO] [stdout] test src/arbitrary_tandem_control_iter.rs - arbitrary_tandem_control_iter::ArbitraryTandemControlIterator (line 14) ... ok
[INFO] [stdout] test src/permute_iter.rs - permute_iter::permutations_of (line 25) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "b94057ce3afd91affe91dc24a13ceefe982d239c26b76ed9fb2b6d0f04b944c3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b94057ce3afd91affe91dc24a13ceefe982d239c26b76ed9fb2b6d0f04b944c3", kill_on_drop: false }`
[INFO] [stdout] b94057ce3afd91affe91dc24a13ceefe982d239c26b76ed9fb2b6d0f04b944c3