[INFO] fetching crate permutohedron 0.2.4...
[INFO] testing permutohedron-0.2.4 against 1.49.0 for beta-1.50-1
[INFO] extracting crate permutohedron 0.2.4 into /workspace/builds/worker-10/source
[INFO] validating manifest of crates.io crate permutohedron 0.2.4 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 permutohedron 0.2.4
[INFO] finished tweaking crates.io crate permutohedron 0.2.4
[INFO] tweaked toml for crates.io crate permutohedron 0.2.4 written to /workspace/builds/worker-10/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-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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] 92b79b3af8159b66aaceb0d0a6a51eb1c9907dc255b9dd9c24a61664817ae22a
[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" "92b79b3af8159b66aaceb0d0a6a51eb1c9907dc255b9dd9c24a61664817ae22a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "92b79b3af8159b66aaceb0d0a6a51eb1c9907dc255b9dd9c24a61664817ae22a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "92b79b3af8159b66aaceb0d0a6a51eb1c9907dc255b9dd9c24a61664817ae22a", kill_on_drop: false }`
[INFO] [stdout] 92b79b3af8159b66aaceb0d0a6a51eb1c9907dc255b9dd9c24a61664817ae22a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 4d07f871e4f9821ddbf8992a41bd132b100be648a0f6ac35899ed682db7f9147
[INFO] running `Command { std: "docker" "start" "-a" "4d07f871e4f9821ddbf8992a41bd132b100be648a0f6ac35899ed682db7f9147", kill_on_drop: false }`
[INFO] [stderr]    Compiling permutohedron v0.2.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.89s
[INFO] running `Command { std: "docker" "inspect" "4d07f871e4f9821ddbf8992a41bd132b100be648a0f6ac35899ed682db7f9147", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4d07f871e4f9821ddbf8992a41bd132b100be648a0f6ac35899ed682db7f9147", kill_on_drop: false }`
[INFO] [stdout] 4d07f871e4f9821ddbf8992a41bd132b100be648a0f6ac35899ed682db7f9147
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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] 5797c53db040146443533be09dd2c7baf1f8effb2407205faea5806d78f52f8f
[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" "5797c53db040146443533be09dd2c7baf1f8effb2407205faea5806d78f52f8f", kill_on_drop: false }`
[INFO] [stderr]    Compiling permutohedron v0.2.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.36s
[INFO] running `Command { std: "docker" "inspect" "5797c53db040146443533be09dd2c7baf1f8effb2407205faea5806d78f52f8f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5797c53db040146443533be09dd2c7baf1f8effb2407205faea5806d78f52f8f", kill_on_drop: false }`
[INFO] [stdout] 5797c53db040146443533be09dd2c7baf1f8effb2407205faea5806d78f52f8f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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] 6d61c3b1c8f65cf013606d4abb0db3a62770c72f212a6a91353929b1f84e3911
[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" "6d61c3b1c8f65cf013606d4abb0db3a62770c72f212a6a91353929b1f84e3911", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stdout] running 7 tests
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/permutohedron-9ea306f9ddad7ca2
[INFO] [stdout] test tests::first_and_reset ... ok
[INFO] [stdout] test lexical::lexical ... ok
[INFO] [stdout] test tests::permutations_0_to_6 ... ok
[INFO] [stdout] test tests::permutations_0_to_6_recursive ... ok
[INFO] [stdout] test tests::permutations_break ... ok
[INFO] [stdout] test tests::count_permutations_iter ... ok
[INFO] [stderr]    Doc-tests permutohedron
[INFO] [stdout] test tests::count_permutations_recur ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test src/lib.rs - heap_recursive (line 33) ... ok
[INFO] [stdout] test src/lexical.rs - lexical::LexicalPermutation (line 3) ... ok
[INFO] [stdout] test src/lib.rs - Heap (line 106) ... 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" "6d61c3b1c8f65cf013606d4abb0db3a62770c72f212a6a91353929b1f84e3911", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6d61c3b1c8f65cf013606d4abb0db3a62770c72f212a6a91353929b1f84e3911", kill_on_drop: false }`
[INFO] [stdout] 6d61c3b1c8f65cf013606d4abb0db3a62770c72f212a6a91353929b1f84e3911