[INFO] crate ordered-permutation 0.1.1 is already in cache
[INFO] testing ordered-permutation-0.1.1 against beta-2019-09-28 for beta-1.39-1
[INFO] extracting crate ordered-permutation 0.1.1 into work/builds/worker-8/source
[INFO] validating manifest of crates.io crate ordered-permutation 0.1.1 on toolchain beta-2019-09-28
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate ordered-permutation 0.1.1
[INFO] finished tweaking crates.io crate ordered-permutation 0.1.1
[INFO] tweaked toml for crates.io crate ordered-permutation 0.1.1 written to work/builds/worker-8/source/Cargo.toml
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-8/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-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" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2019-09-28" "build" "--frozen"`
[INFO] [stdout] 3b5b0b5a6a23caff84ad353ec72142920b71fcb8e1b328f9acbe6352aedce06c
[INFO] running `"docker" "start" "-a" "3b5b0b5a6a23caff84ad353ec72142920b71fcb8e1b328f9acbe6352aedce06c"`
[INFO] [stderr]    Compiling ordered-permutation v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/lib.rs:64:17
[INFO] [stderr]    |
[INFO] [stderr] 64 |             for mut node in self.children.iter_mut() {
[INFO] [stderr]    |                 ----^^^^
[INFO] [stderr]    |                 |
[INFO] [stderr]    |                 help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.80s
[INFO] running `"docker" "inspect" "3b5b0b5a6a23caff84ad353ec72142920b71fcb8e1b328f9acbe6352aedce06c"`
[INFO] running `"docker" "rm" "-f" "3b5b0b5a6a23caff84ad353ec72142920b71fcb8e1b328f9acbe6352aedce06c"`
[INFO] [stdout] 3b5b0b5a6a23caff84ad353ec72142920b71fcb8e1b328f9acbe6352aedce06c
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-8/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-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" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2019-09-28" "test" "--frozen" "--no-run"`
[INFO] [stdout] c1162bde20b7653cfe2ad7b45c7f06af2848bdc5ab36dcdf6bb9089fe1a4f8b0
[INFO] running `"docker" "start" "-a" "c1162bde20b7653cfe2ad7b45c7f06af2848bdc5ab36dcdf6bb9089fe1a4f8b0"`
[INFO] [stderr]    Compiling ordered-permutation v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/lib.rs:64:17
[INFO] [stderr]    |
[INFO] [stderr] 64 |             for mut node in self.children.iter_mut() {
[INFO] [stderr]    |                 ----^^^^
[INFO] [stderr]    |                 |
[INFO] [stderr]    |                 help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.38s
[INFO] running `"docker" "inspect" "c1162bde20b7653cfe2ad7b45c7f06af2848bdc5ab36dcdf6bb9089fe1a4f8b0"`
[INFO] running `"docker" "rm" "-f" "c1162bde20b7653cfe2ad7b45c7f06af2848bdc5ab36dcdf6bb9089fe1a4f8b0"`
[INFO] [stdout] c1162bde20b7653cfe2ad7b45c7f06af2848bdc5ab36dcdf6bb9089fe1a4f8b0
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-8/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-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" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2019-09-28" "test" "--frozen"`
[INFO] [stdout] 91eb6dfc5ee63ab812b4c10d53ad9e1ecfdfc25cdd3431a683a6ce099b65543c
[INFO] running `"docker" "start" "-a" "91eb6dfc5ee63ab812b4c10d53ad9e1ecfdfc25cdd3431a683a6ce099b65543c"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.00s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/ordered_permutation-1de51290864ce436
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test unique ... ok
[INFO] [stdout] test count ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests ordered-permutation
[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
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "91eb6dfc5ee63ab812b4c10d53ad9e1ecfdfc25cdd3431a683a6ce099b65543c"`
[INFO] running `"docker" "rm" "-f" "91eb6dfc5ee63ab812b4c10d53ad9e1ecfdfc25cdd3431a683a6ce099b65543c"`
[INFO] [stdout] 91eb6dfc5ee63ab812b4c10d53ad9e1ecfdfc25cdd3431a683a6ce099b65543c