[INFO] crate permute 0.1.0 is already in cache
[INFO] testing permute-0.1.0 against 1.45.2 for beta-1.46-1
[INFO] extracting crate permute 0.1.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate permute 0.1.0 on toolchain 1.45.2
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.45.2" "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-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.45.2" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.45.2" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4d2bf2de554c907d0da897a18960a86d4f73eac91ebcbc40cd7900ab6923beb0
[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" "4d2bf2de554c907d0da897a18960a86d4f73eac91ebcbc40cd7900ab6923beb0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4d2bf2de554c907d0da897a18960a86d4f73eac91ebcbc40cd7900ab6923beb0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4d2bf2de554c907d0da897a18960a86d4f73eac91ebcbc40cd7900ab6923beb0", kill_on_drop: false }`
[INFO] [stdout] 4d2bf2de554c907d0da897a18960a86d4f73eac91ebcbc40cd7900ab6923beb0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 782571e529ab57a84ce356ff08d93478c0e4c2eb2928974de23b093f3118c3ae
[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" "782571e529ab57a84ce356ff08d93478c0e4c2eb2928974de23b093f3118c3ae", kill_on_drop: false }`
[INFO] [stderr]    Compiling permute v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.36s
[INFO] running `Command { std: "docker" "inspect" "782571e529ab57a84ce356ff08d93478c0e4c2eb2928974de23b093f3118c3ae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "782571e529ab57a84ce356ff08d93478c0e4c2eb2928974de23b093f3118c3ae", kill_on_drop: false }`
[INFO] [stdout] 782571e529ab57a84ce356ff08d93478c0e4c2eb2928974de23b093f3118c3ae
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 917d11a68d39eb29660176951cbfe0144a13158a4e5f8903a1c609dc4f32e17a
[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" "917d11a68d39eb29660176951cbfe0144a13158a4e5f8903a1c609dc4f32e17a", kill_on_drop: false }`
[INFO] [stderr]    Compiling permute v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.29s
[INFO] running `Command { std: "docker" "inspect" "917d11a68d39eb29660176951cbfe0144a13158a4e5f8903a1c609dc4f32e17a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "917d11a68d39eb29660176951cbfe0144a13158a4e5f8903a1c609dc4f32e17a", kill_on_drop: false }`
[INFO] [stdout] 917d11a68d39eb29660176951cbfe0144a13158a4e5f8903a1c609dc4f32e17a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] afc48f1d2bf6faa35515e6a6eb4e261bb06d673401b18a3d1627aa4cdc3b458a
[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" "afc48f1d2bf6faa35515e6a6eb4e261bb06d673401b18a3d1627aa4cdc3b458a", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/permute-bbea94cd356ffbe0
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests permute
[INFO] [stdout] running 4 tests
[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/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] test src/permutations.rs - permutations::permute (line 34) ... 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" "afc48f1d2bf6faa35515e6a6eb4e261bb06d673401b18a3d1627aa4cdc3b458a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "afc48f1d2bf6faa35515e6a6eb4e261bb06d673401b18a3d1627aa4cdc3b458a", kill_on_drop: false }`
[INFO] [stdout] afc48f1d2bf6faa35515e6a6eb4e261bb06d673401b18a3d1627aa4cdc3b458a