[INFO] fetching crate memchr 2.4.1...
[INFO] testing memchr-2.4.1 against 1.55.0 for beta-1.56-1
[INFO] extracting crate memchr 2.4.1 into /workspace/builds/worker-48/source
[INFO] validating manifest of crates.io crate memchr 2.4.1 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate memchr 2.4.1
[INFO] finished tweaking crates.io crate memchr 2.4.1
[INFO] tweaked toml for crates.io crate memchr 2.4.1 written to /workspace/builds/worker-48/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded rustc-std-workspace-core v1.0.0
[INFO] [stderr]   Downloaded compiler_builtins v0.1.50
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-48/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-48/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 46aceb12ddcd051709dc47be0c4fdc4bc228b4778fe4dfd8fd7e5134ea7423d1
[INFO] running `Command { std: "docker" "start" "-a" "46aceb12ddcd051709dc47be0c4fdc4bc228b4778fe4dfd8fd7e5134ea7423d1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "46aceb12ddcd051709dc47be0c4fdc4bc228b4778fe4dfd8fd7e5134ea7423d1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "46aceb12ddcd051709dc47be0c4fdc4bc228b4778fe4dfd8fd7e5134ea7423d1", kill_on_drop: false }`
[INFO] [stdout] 46aceb12ddcd051709dc47be0c4fdc4bc228b4778fe4dfd8fd7e5134ea7423d1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-48/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-48/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1c0263f5760b1f02bb324eaa28204abcd0c93f89cdc30439c7f0f6b81a99c914
[INFO] running `Command { std: "docker" "start" "-a" "1c0263f5760b1f02bb324eaa28204abcd0c93f89cdc30439c7f0f6b81a99c914", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.4.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.44s
[INFO] running `Command { std: "docker" "inspect" "1c0263f5760b1f02bb324eaa28204abcd0c93f89cdc30439c7f0f6b81a99c914", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1c0263f5760b1f02bb324eaa28204abcd0c93f89cdc30439c7f0f6b81a99c914", kill_on_drop: false }`
[INFO] [stdout] 1c0263f5760b1f02bb324eaa28204abcd0c93f89cdc30439c7f0f6b81a99c914
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-48/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-48/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ca6312ba7090d6d97b552bfc5aebb72d0697e620a438884be694873e3078697d
[INFO] running `Command { std: "docker" "start" "-a" "ca6312ba7090d6d97b552bfc5aebb72d0697e620a438884be694873e3078697d", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.101
[INFO] [stderr]    Compiling memchr v2.4.1 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling getrandom v0.2.3
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]    Compiling rand v0.8.4
[INFO] [stderr]    Compiling quickcheck v1.0.3
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 11.47s
[INFO] running `Command { std: "docker" "inspect" "ca6312ba7090d6d97b552bfc5aebb72d0697e620a438884be694873e3078697d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ca6312ba7090d6d97b552bfc5aebb72d0697e620a438884be694873e3078697d", kill_on_drop: false }`
[INFO] [stdout] ca6312ba7090d6d97b552bfc5aebb72d0697e620a438884be694873e3078697d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-48/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-48/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 976eb8eed8e77e730a10f072a2ae3aed0904f39a178aa541bc7d0db7321233ba
[INFO] running `Command { std: "docker" "start" "-a" "976eb8eed8e77e730a10f072a2ae3aed0904f39a178aa541bc7d0db7321233ba", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.64s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/memchr-d72187b78fab0d1b)
[INFO] [stdout] 
[INFO] [stdout] running 71 tests
[INFO] [stdout] test memmem::prefilter::fallback::tests::freqy_forward ... ok
[INFO] [stdout] test memmem::proptests::qc_rev_matches_naive ... ok
[INFO] [stdout] test memmem::proptests::qc_fwd_matches_naive ... ok
[INFO] [stdout] test memmem::proptests::qc_fwd_suffix_is_substring ... ok
[INFO] [stdout] test memmem::proptests::qc_rev_prefix_is_substring ... ok
[INFO] [stdout] test memmem::proptests::qc_rev_suffix_is_substring ... ok
[INFO] [stdout] test memmem::rabinkarp::proptests::qc_fwd_matches_naive ... ok
[INFO] [stdout] test memmem::proptests::qc_fwd_prefix_is_substring ... ok
[INFO] [stdout] test memmem::rabinkarp::simpletests::simple_reverse ... ok
[INFO] [stdout] test memmem::twoway::simpletests::regression_rev_small_period ... ok
[INFO] [stdout] test memmem::twoway::simpletests::simple_reverse ... ok
[INFO] [stdout] test memmem::rabinkarp::proptests::qc_rev_matches_naive ... ok
[INFO] [stdout] test memmem::rabinkarp::proptests::qc_fwd_prefix_is_substring ... ok
[INFO] [stdout] test memmem::rabinkarp::proptests::qc_rev_prefix_is_substring ... ok
[INFO] [stdout] test memmem::rabinkarp::simpletests::simple_forward ... ok
[INFO] [stdout] test memmem::testsimples::simple_reverse ... ok
[INFO] [stdout] test memmem::twoway::tests::qc_rev_matches_naive ... ok
[INFO] [stdout] test memmem::testsimples::simple_forward ... ok
[INFO] [stdout] test memmem::twoway::tests::qc_suffix_forward_maximal ... ok
[INFO] [stdout] test memmem::rabinkarp::proptests::qc_rev_suffix_is_substring ... ok
[INFO] [stdout] test memmem::twoway::tests::suffix_forward ... ok
[INFO] [stdout] test memmem::twoway::tests::suffix_reverse ... ok
[INFO] [stdout] test memmem::twoway::tests::qc_rev_prefix_is_substring ... ok
[INFO] [stdout] test memmem::twoway::tests::qc_fwd_matches_naive ... ok
[INFO] [stdout] test memmem::twoway::tests::qc_rev_suffix_is_substring ... ok
[INFO] [stdout] test memmem::twoway::tests::qc_fwd_prefix_is_substring ... ok
[INFO] [stdout] test memmem::twoway::tests::qc_fwd_suffix_is_substring ... ok
[INFO] [stdout] test memmem::twoway::simpletests::simple_forward ... ok
[INFO] [stdout] test memmem::rabinkarp::proptests::qc_fwd_suffix_is_substring ... ok
[INFO] [stdout] test memmem::twoway::tests::qc_suffix_reverse_maximal ... ok
[INFO] [stdout] test tests::byte_order ... ok
[INFO] [stdout] test tests::memchr::iter::qc_memchr3_rev_iter ... ok
[INFO] [stdout] test tests::memchr::iter::qc_memchr1_iter ... ok
[INFO] [stdout] test tests::memchr::iter::qc_memchr1_iter_size_hint ... ok
[INFO] [stdout] test tests::memchr::iter::qc_memchr1_rev_iter ... ok
[INFO] [stdout] test tests::memchr::iter::qc_memchr2_rev_iter ... ok
[INFO] [stdout] test tests::memchr::iter::qc_memchr3_iter ... ok
[INFO] [stdout] test tests::memchr::iter::qc_memchr_double_ended_iter ... ok
[INFO] [stdout] test tests::memchr::iter::qc_memchr2_iter ... ok
[INFO] [stdout] test tests::memchr::iter::qc_memchr3_double_ended_iter ... ok
[INFO] [stdout] test tests::memchr::iter::qc_memchr2_double_ended_iter ... ok
[INFO] [stdout] test tests::memchr::iter::memchr1_iter ... ok
[INFO] [stdout] test tests::memchr::memchr::qc_memchr1_matches_naive ... ok
[INFO] [stdout] test tests::memchr::memchr::qc_memchr2_matches_naive ... ok
[INFO] [stdout] test tests::memchr::memchr::qc_memchr3_matches_naive ... ok
[INFO] [stdout] test tests::memchr::memchr::qc_memrchr1_matches_naive ... ok
[INFO] [stdout] test tests::memchr::memchr::qc_memrchr2_matches_naive ... ok
[INFO] [stdout] test tests::memchr::memchr::qc_memrchr3_matches_naive ... ok
[INFO] [stdout] test tests::memchr::simple::simple ... ok
[INFO] [stdout] test tests::memchr::iter::memchr3_iter ... ok
[INFO] [stdout] test tests::memchr::memchr::memchr1_fallback_find ... ok
[INFO] [stdout] test tests::memchr::iter::memrchr1_iter ... ok
[INFO] [stdout] test tests::memchr::memchr::memchr2_find ... ok
[INFO] [stdout] test tests::memchr::memchr::memchr2_fallback_find ... ok
[INFO] [stdout] test tests::memchr::memchr::memrchr3_find ... ok
[INFO] [stdout] test tests::memchr::iter::memchr2_iter ... ok
[INFO] [stdout] test tests::memchr::iter::memrchr3_iter ... ok
[INFO] [stdout] test tests::memchr::memchr::memrchr1_find ... ok
[INFO] [stdout] test tests::memchr::memchr::memchr3_find ... ok
[INFO] [stdout] test tests::memchr::memchr::memrchr3_fallback_find ... ok
[INFO] [stdout] test tests::memchr::memchr::memrchr1_fallback_find ... ok
[INFO] [stdout] test tests::memchr::iter::memrchr2_iter ... ok
[INFO] [stdout] test tests::memchr::memchr::memrchr2_find ... ok
[INFO] [stdout] test tests::memchr::memchr::memrchr2_fallback_find ... ok
[INFO] [stdout] test tests::memchr::memchr::memchr1_find ... ok
[INFO] [stdout] test tests::memchr::memchr::memchr3_fallback_find ... ok
[INFO] [stderr] error: test failed, to rerun pass '--lib'
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/deps/memchr-d72187b78fab0d1b` (signal: 9, SIGKILL: kill)
[INFO] running `Command { std: "docker" "inspect" "976eb8eed8e77e730a10f072a2ae3aed0904f39a178aa541bc7d0db7321233ba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "976eb8eed8e77e730a10f072a2ae3aed0904f39a178aa541bc7d0db7321233ba", kill_on_drop: false }`
[INFO] [stdout] 976eb8eed8e77e730a10f072a2ae3aed0904f39a178aa541bc7d0db7321233ba