[INFO] fetching crate bitterlemon 0.2.3...
[INFO] testing bitterlemon-0.2.3 against 1.49.0 for beta-1.50-1
[INFO] extracting crate bitterlemon 0.2.3 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate bitterlemon 0.2.3 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 bitterlemon 0.2.3
[INFO] finished tweaking crates.io crate bitterlemon 0.2.3
[INFO] tweaked toml for crates.io crate bitterlemon 0.2.3 written to /workspace/builds/worker-4/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-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" "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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 9d112c5c5653121def466930e62576d531557ae1873905d2c224aa0dd39a73de
[INFO] running `Command { std: "docker" "start" "-a" "9d112c5c5653121def466930e62576d531557ae1873905d2c224aa0dd39a73de", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9d112c5c5653121def466930e62576d531557ae1873905d2c224aa0dd39a73de", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9d112c5c5653121def466930e62576d531557ae1873905d2c224aa0dd39a73de", kill_on_drop: false }`
[INFO] [stdout] 9d112c5c5653121def466930e62576d531557ae1873905d2c224aa0dd39a73de
[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" "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] 25e1b8e86e27b2dcdc4ed4f2db0633fc73fc3505e2a5fe9e0c06373f8173e839
[INFO] running `Command { std: "docker" "start" "-a" "25e1b8e86e27b2dcdc4ed4f2db0633fc73fc3505e2a5fe9e0c06373f8173e839", kill_on_drop: false }`
[INFO] [stderr]    Compiling bitterlemon v0.2.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.90s
[INFO] running `Command { std: "docker" "inspect" "25e1b8e86e27b2dcdc4ed4f2db0633fc73fc3505e2a5fe9e0c06373f8173e839", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "25e1b8e86e27b2dcdc4ed4f2db0633fc73fc3505e2a5fe9e0c06373f8173e839", kill_on_drop: false }`
[INFO] [stdout] 25e1b8e86e27b2dcdc4ed4f2db0633fc73fc3505e2a5fe9e0c06373f8173e839
[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" "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] 73570b1f46b91ad7aaaf20bda851749d2204a00195a3538147af1be1c8aa01bf
[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" "73570b1f46b91ad7aaaf20bda851749d2204a00195a3538147af1be1c8aa01bf", kill_on_drop: false }`
[INFO] [stderr]    Compiling random v0.12.2
[INFO] [stderr]    Compiling bitterlemon v0.2.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.95s
[INFO] running `Command { std: "docker" "inspect" "73570b1f46b91ad7aaaf20bda851749d2204a00195a3538147af1be1c8aa01bf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "73570b1f46b91ad7aaaf20bda851749d2204a00195a3538147af1be1c8aa01bf", kill_on_drop: false }`
[INFO] [stdout] 73570b1f46b91ad7aaaf20bda851749d2204a00195a3538147af1be1c8aa01bf
[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" "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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] c0828c6fd76eee82992d07d5bfb123629ceb3a862a03d7c47a5eadc94718445d
[INFO] running `Command { std: "docker" "start" "-a" "c0828c6fd76eee82992d07d5bfb123629ceb3a862a03d7c47a5eadc94718445d", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.14s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/bitterlemon-d01f861069b860c0
[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::next_none_idempotence ... ok
[INFO] [stdout] test decode::test_decoder::single_byte_frame ... ok
[INFO] [stdout] test decode::test_decoder::single_run_clear ... ok
[INFO] [stdout] test decode::test_decoder::single_run_set ... 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 decode::test_decoder::two_byte_frame ... ok
[INFO] [stdout] test encode::run_holding_extensions::single_clear ... ok
[INFO] [stdout] test encode::test_runs::size_mut ... 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::error_on_frame_cutoff ... ok
[INFO] [stdout] test encode::run_holding_extensions::single_set ... ok
[INFO] [stdout] test decode::test_decoder::full_byte_frame ... ok
[INFO] [stdout] test encode::test_run_builder::next_none_idempotence ... ok
[INFO] [stdout] test encode::test_runs::size ... ok
[INFO] [stdout] test encode::test_run_builder::runs ... ok
[INFO] [stdout] test encode::test_with_frames::conditional_on_padding ... ok
[INFO] [stdout] test encode::test_with_frames::never_create_frame_for_longer_runs ... ok
[INFO] [stdout] test encode::test_with_frames::empty_frame ... ok
[INFO] [stdout] test test_encode_round_trip::single_run ... 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 encode::test_with_frames::two_runs ... ok
[INFO] [stdout] test encode::test_with_frames::one_run ... ok
[INFO] [stdout] test encode::test_with_frames::byte_nearly_filled ... ok
[INFO] [stdout] test encode::test_with_frames::next_none_idempotence ... ok
[INFO] [stdout] test encode::test_with_frames::abandon_frame_on_long_runs ... ok
[INFO] [stdout] test encode::test_with_frames::avoid_frame_overflow ... ok
[INFO] [stdout] test encode::test_with_frames::two_bytes ... ok
[INFO] [stdout] test encode::test_with_frames::one_byte_frame_filled ... 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 `Command { std: "docker" "inspect" "c0828c6fd76eee82992d07d5bfb123629ceb3a862a03d7c47a5eadc94718445d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c0828c6fd76eee82992d07d5bfb123629ceb3a862a03d7c47a5eadc94718445d", kill_on_drop: false }`
[INFO] [stdout] c0828c6fd76eee82992d07d5bfb123629ceb3a862a03d7c47a5eadc94718445d