[INFO] fetching crate permutation 0.2.5...
[INFO] testing permutation-0.2.5 against beta-2021-01-01 for beta-1.50-1
[INFO] extracting crate permutation 0.2.5 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate permutation 0.2.5 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 permutation 0.2.5
[INFO] finished tweaking crates.io crate permutation 0.2.5
[INFO] tweaked toml for crates.io crate permutation 0.2.5 written to /workspace/builds/worker-8/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-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] ecab36851bb6da1626e35b148588ade3e75a60b91ededa6ef4074df88185732c
[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" "ecab36851bb6da1626e35b148588ade3e75a60b91ededa6ef4074df88185732c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ecab36851bb6da1626e35b148588ade3e75a60b91ededa6ef4074df88185732c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ecab36851bb6da1626e35b148588ade3e75a60b91ededa6ef4074df88185732c", kill_on_drop: false }`
[INFO] [stdout] ecab36851bb6da1626e35b148588ade3e75a60b91ededa6ef4074df88185732c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] b220701683120910b85fa837eec792d8a3bb964a845be299c8f9fcc49f9e21c3
[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" "b220701683120910b85fa837eec792d8a3bb964a845be299c8f9fcc49f9e21c3", kill_on_drop: false }`
[INFO] [stderr]    Compiling permutation v0.2.5 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.01s
[INFO] running `Command { std: "docker" "inspect" "b220701683120910b85fa837eec792d8a3bb964a845be299c8f9fcc49f9e21c3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b220701683120910b85fa837eec792d8a3bb964a845be299c8f9fcc49f9e21c3", kill_on_drop: false }`
[INFO] [stdout] b220701683120910b85fa837eec792d8a3bb964a845be299c8f9fcc49f9e21c3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] 98e23a15df1b3aea429d8861342fd1d664307870df191ac828649b83a13a0ad8
[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" "98e23a15df1b3aea429d8861342fd1d664307870df191ac828649b83a13a0ad8", kill_on_drop: false }`
[INFO] [stderr]    Compiling permutation v0.2.5 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.62s
[INFO] running `Command { std: "docker" "inspect" "98e23a15df1b3aea429d8861342fd1d664307870df191ac828649b83a13a0ad8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "98e23a15df1b3aea429d8861342fd1d664307870df191ac828649b83a13a0ad8", kill_on_drop: false }`
[INFO] [stdout] 98e23a15df1b3aea429d8861342fd1d664307870df191ac828649b83a13a0ad8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] 265690fc7fe2d736729d5db96cdc9cddc697e503f9a428f30ab08e6f6f0e8f3c
[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" "265690fc7fe2d736729d5db96cdc9cddc697e503f9a428f30ab08e6f6f0e8f3c", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/permutation-b45d63a4be7e8213
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests permutation
[INFO] [stdout] running 12 tests
[INFO] [stdout] test permutation::tests::by_key ... ok
[INFO] [stdout] test permutation::tests::len ... ok
[INFO] [stdout] test permutation::tests::inverse ... ok
[INFO] [stdout] test permutation::tests::indices ... ok
[INFO] [stdout] test permutation::tests::sorting ... ok
[INFO] [stdout] test permutation::tests::prod ... ok
[INFO] [stdout] test permutation::tests::powers ... ok
[INFO] [stdout] test permutation::tests::strings ... ok
[INFO] [stdout] test permutation::tests::normalize_inv ... ok
[INFO] [stdout] test permutation::tests::normalize ... ok
[INFO] [stdout] test permutation::tests::by_cmp ... ok
[INFO] [stdout] test permutation::tests::basics ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 12 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 14 tests
[INFO] [stdout] test src/permutation.rs - permutation::Permutation::len (line 121) ... ok
[INFO] [stdout] test src/permutation.rs - permutation::Permutation::apply_idx (line 211) ... ok
[INFO] [stdout] test src/permutation.rs - permutation::Permutation::inverse (line 146) ... ok
[INFO] [stdout] test src/permutation.rs - permutation::Permutation::one (line 104) ... ok
[INFO] [stdout] test src/permutation.rs - permutation::sort (line 313) ... ok
[INFO] [stdout] test src/permutation.rs - permutation::Permutation::normalize (line 172) ... ok
[INFO] [stdout] test src/permutation.rs - permutation::Permutation::apply_inv_idx (line 231) ... ok
[INFO] [stdout] test src/permutation.rs - permutation::&'a Permutation::mul (line 54) ... ok
[INFO] [stdout] test src/permutation.rs - permutation::Permutation::from_vec (line 84) ... ok
[INFO] [stdout] test src/permutation.rs - permutation::Permutation::apply_slice (line 267) ... ok
[INFO] [stdout] test src/permutation.rs - permutation::sort_by (line 350) ... ok
[INFO] [stdout] test src/permutation.rs - permutation::Permutation::apply_inv_slice (line 290) ... ok
[INFO] [stdout] test src/permutation.rs - permutation::sort_by_key (line 376) ... ok
[INFO] [stdout] test src/permutation.rs - permutation::sort (line 324) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 14 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 3.72s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "265690fc7fe2d736729d5db96cdc9cddc697e503f9a428f30ab08e6f6f0e8f3c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "265690fc7fe2d736729d5db96cdc9cddc697e503f9a428f30ab08e6f6f0e8f3c", kill_on_drop: false }`
[INFO] [stdout] 265690fc7fe2d736729d5db96cdc9cddc697e503f9a428f30ab08e6f6f0e8f3c