[INFO] crate bitterlemon 0.2.2 is already in cache
[INFO] testing bitterlemon-0.2.2 against beta-2019-09-28 for beta-1.39-1
[INFO] extracting crate bitterlemon 0.2.2 into work/builds/worker-4/source
[INFO] validating manifest of crates.io crate bitterlemon 0.2.2 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 bitterlemon 0.2.2
[INFO] finished tweaking crates.io crate bitterlemon 0.2.2
[INFO] tweaked toml for crates.io crate bitterlemon 0.2.2 written to work/builds/worker-4/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-4/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-4/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] 989d205f328f92f0640851939e530a655f3c55c76eda3fad8ff65c209a0cbf42
[INFO] running `"docker" "start" "-a" "989d205f328f92f0640851939e530a655f3c55c76eda3fad8ff65c209a0cbf42"`
[INFO] [stderr]    Compiling arrayvec v0.5.1
[INFO] [stderr]    Compiling bitterlemon v0.2.2 (/opt/rustwide/workdir)
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/encode.rs:307:7
[INFO] [stderr]     |
[INFO] [stderr] 307 |         let mut head_run = self.get_mut(*ptr as usize).unwrap();
[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 0.89s
[INFO] running `"docker" "inspect" "989d205f328f92f0640851939e530a655f3c55c76eda3fad8ff65c209a0cbf42"`
[INFO] running `"docker" "rm" "-f" "989d205f328f92f0640851939e530a655f3c55c76eda3fad8ff65c209a0cbf42"`
[INFO] [stdout] 989d205f328f92f0640851939e530a655f3c55c76eda3fad8ff65c209a0cbf42
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-4/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] 0ad83de86ef011afa1b53caf71777db1e1bba4de58f517e50b80a3fe456b2cdb
[INFO] running `"docker" "start" "-a" "0ad83de86ef011afa1b53caf71777db1e1bba4de58f517e50b80a3fe456b2cdb"`
[INFO] [stderr]    Compiling random v0.12.2
[INFO] [stderr]    Compiling bitterlemon v0.2.2 (/opt/rustwide/workdir)
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/encode.rs:307:7
[INFO] [stderr]     |
[INFO] [stderr] 307 |         let mut head_run = self.get_mut(*ptr as usize).unwrap();
[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 1.27s
[INFO] running `"docker" "inspect" "0ad83de86ef011afa1b53caf71777db1e1bba4de58f517e50b80a3fe456b2cdb"`
[INFO] running `"docker" "rm" "-f" "0ad83de86ef011afa1b53caf71777db1e1bba4de58f517e50b80a3fe456b2cdb"`
[INFO] [stdout] 0ad83de86ef011afa1b53caf71777db1e1bba4de58f517e50b80a3fe456b2cdb
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-4/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] f16f74f03506e9801f09d91c5daa255ba9d9caa23efceb539120cb17cba73efc
[INFO] running `"docker" "start" "-a" "f16f74f03506e9801f09d91c5daa255ba9d9caa23efceb539120cb17cba73efc"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.00s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/bitterlemon-19fa57f6c1c54f02
[INFO] [stdout] 
[INFO] [stdout] running 33 tests
[INFO] [stdout] test decode::test_decoder::alternate_runs_frames ... ok
[INFO] [stdout] test decode::test_decoder::empty_input ... ok
[INFO] [stdout] test decode::test_decoder::error_on_frame_cutoff ... ok
[INFO] [stdout] test decode::test_decoder::full_byte_frame ... ok
[INFO] [stdout] test decode::test_decoder::next_none_idempotence ... ok
[INFO] [stdout] test decode::test_decoder::single_byte_frame ... ok
[INFO] [stdout] test decode::test_decoder::two_byte_frame ... ok
[INFO] [stdout] test encode::run_holding_extensions::can_pack_3_runs_into_a_single_frame_byte ... ok
[INFO] [stdout] test encode::run_holding_extensions::empty ... ok
[INFO] [stdout] test encode::run_holding_extensions::enough_to_overflow_a_frame_to_2_post_header_bytes ... ok
[INFO] [stdout] test decode::test_decoder::single_run_set ... ok
[INFO] [stdout] test encode::run_holding_extensions::single_clear ... ok
[INFO] [stdout] test encode::run_holding_extensions::single_set ... ok
[INFO] [stdout] test decode::test_decoder::single_run_clear ... ok
[INFO] [stdout] test encode::test_run_builder::next_none_idempotence ... ok
[INFO] [stdout] test encode::test_run_builder::runs ... ok
[INFO] [stdout] test encode::test_runs::size_mut ... ok
[INFO] [stdout] test encode::test_runs::size ... ok
[INFO] [stdout] test encode::test_with_frames::abandon_frame_on_long_runs ... ok
[INFO] [stdout] test encode::test_with_frames::byte_nearly_filled ... ok
[INFO] [stdout] test encode::test_with_frames::conditional_on_padding ... ok
[INFO] [stdout] test encode::test_with_frames::next_none_idempotence ... ok
[INFO] [stdout] test encode::test_with_frames::empty_frame ... ok
[INFO] [stdout] test encode::test_with_frames::never_create_frame_for_longer_runs ... ok
[INFO] [stdout] test encode::test_with_frames::one_byte_frame_filled ... ok
[INFO] [stdout] test encode::test_with_frames::one_run ... ok
[INFO] [stdout] test encode::test_with_frames::two_bytes ... ok
[INFO] [stdout] test encode::test_with_frames::two_runs ... ok
[INFO] [stdout] test encode::test_with_frames::avoid_frame_overflow ... ok
[INFO] [stdout] test encode::test_with_frames::undo_single_byte_frame ... ok
[INFO] [stdout] test test_encode_round_trip::single_frame ... ok
[INFO] [stdout] test test_encode_round_trip::single_run ... ok
[INFO] [stdout] test test_encode_round_trip::random_kilobyte ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 33 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests bitterlemon
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs -  (line 5) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "f16f74f03506e9801f09d91c5daa255ba9d9caa23efceb539120cb17cba73efc"`
[INFO] running `"docker" "rm" "-f" "f16f74f03506e9801f09d91c5daa255ba9d9caa23efceb539120cb17cba73efc"`
[INFO] [stdout] f16f74f03506e9801f09d91c5daa255ba9d9caa23efceb539120cb17cba73efc