[INFO] fetching crate glommio 0.5.1...
[INFO] testing glommio-0.5.1 against 1.55.0 for beta-1.56-1
[INFO] extracting crate glommio 0.5.1 into /workspace/builds/worker-10/source
[INFO] validating manifest of crates.io crate glommio 0.5.1 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 glommio 0.5.1
[INFO] finished tweaking crates.io crate glommio 0.5.1
[INFO] tweaked toml for crates.io crate glommio 0.5.1 written to /workspace/builds/worker-10/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] 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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] 39a82ae22344dab618a3cbeabd78220a6a35ca89c7f3d659366051d238b4eecb
[INFO] running `Command { std: "docker" "start" "-a" "39a82ae22344dab618a3cbeabd78220a6a35ca89c7f3d659366051d238b4eecb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "39a82ae22344dab618a3cbeabd78220a6a35ca89c7f3d659366051d238b4eecb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "39a82ae22344dab618a3cbeabd78220a6a35ca89c7f3d659366051d238b4eecb", kill_on_drop: false }`
[INFO] [stdout] 39a82ae22344dab618a3cbeabd78220a6a35ca89c7f3d659366051d238b4eecb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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] deba643fe166897b07d6749978342f08a0f85093b1e671e2589e69a7a6626d6f
[INFO] running `Command { std: "docker" "start" "-a" "deba643fe166897b07d6749978342f08a0f85093b1e671e2589e69a7a6626d6f", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.101
[INFO] [stderr]    Compiling futures-core v0.3.17
[INFO] [stderr]    Compiling futures-io v0.3.17
[INFO] [stderr]    Compiling owned-alloc v0.2.0
[INFO] [stderr]    Compiling smallvec v1.6.1
[INFO] [stderr]    Compiling enclose v1.1.8
[INFO] [stderr]    Compiling scopeguard v1.1.0
[INFO] [stderr]    Compiling buddy-alloc v0.4.1
[INFO] [stderr]    Compiling memoffset v0.5.6
[INFO] [stderr]    Compiling tracing-core v0.1.19
[INFO] [stderr]    Compiling glommio v0.5.1 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling itertools v0.10.1
[INFO] [stderr]    Compiling bitmaps v2.1.0
[INFO] [stderr]    Compiling tracing-attributes v0.1.15
[INFO] [stderr]    Compiling lockfree v0.5.1
[INFO] [stderr]    Compiling futures-lite v1.12.0
[INFO] [stderr]    Compiling intrusive-collections v0.9.2
[INFO] [stderr]    Compiling getrandom v0.2.3
[INFO] [stderr]    Compiling rlimit v0.5.4
[INFO] [stderr]    Compiling membarrier v0.2.2
[INFO] [stderr]    Compiling socket2 v0.3.19
[INFO] [stderr]    Compiling nix v0.19.1
[INFO] [stderr]    Compiling ahash v0.5.10
[INFO] [stderr]    Compiling tracing v0.1.26
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 15.88s
[INFO] running `Command { std: "docker" "inspect" "deba643fe166897b07d6749978342f08a0f85093b1e671e2589e69a7a6626d6f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "deba643fe166897b07d6749978342f08a0f85093b1e671e2589e69a7a6626d6f", kill_on_drop: false }`
[INFO] [stdout] deba643fe166897b07d6749978342f08a0f85093b1e671e2589e69a7a6626d6f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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] 4ed49e09f93db4acf1ea49d873b5dc6c3d513cbcd453f253cab02c1c2619864c
[INFO] running `Command { std: "docker" "start" "-a" "4ed49e09f93db4acf1ea49d873b5dc6c3d513cbcd453f253cab02c1c2619864c", kill_on_drop: false }`
[INFO] [stderr]    Compiling futures-channel v0.3.17
[INFO] [stderr]    Compiling futures-sink v0.3.17
[INFO] [stderr]    Compiling ansi_term v0.12.1
[INFO] [stderr]    Compiling bytes v0.6.0
[INFO] [stderr]    Compiling futures-util v0.3.17
[INFO] [stderr]    Compiling tokio v0.3.7
[INFO] [stderr]    Compiling regex-automata v0.1.10
[INFO] [stderr]    Compiling sharded-slab v0.1.3
[INFO] [stderr]    Compiling regex v1.5.4
[INFO] [stderr]    Compiling thread_local v1.1.3
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling tracing-serde v0.1.2
[INFO] [stderr]    Compiling tracing-log v0.1.2
[INFO] [stderr]    Compiling mio v0.7.13
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]    Compiling tokio-macros v0.3.2
[INFO] [stderr]    Compiling chrono v0.4.19
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.4
[INFO] [stderr]    Compiling matchers v0.0.1
[INFO] [stderr]    Compiling tracing-subscriber v0.2.20
[INFO] [stderr]    Compiling futures-executor v0.3.17
[INFO] [stderr]    Compiling futures v0.3.17
[INFO] [stderr]    Compiling glommio v0.5.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `tracing_subscriber::EnvFilter`
[INFO] [stdout]     --> src/executor/mod.rs:1998:9
[INFO] [stdout]      |
[INFO] [stdout] 1998 |     use tracing_subscriber::EnvFilter;
[INFO] [stdout]      |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `glommio`; 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name glommio --edition=2018 src/lib.rs --error-format=json --json=diagnostic-rendered-ansi --emit=dep-info,link -C embed-bitcode=no -C debuginfo=2 --test -C metadata=1b26a7fc3e737508 -C extra-filename=-1b26a7fc3e737508 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern ahash=/opt/rustwide/target/debug/deps/libahash-dbaa27601e388284.rlib --extern bitflags=/opt/rustwide/target/debug/deps/libbitflags-f947290fec4feb2c.rlib --extern bitmaps=/opt/rustwide/target/debug/deps/libbitmaps-f8996cb664485a40.rlib --extern buddy_alloc=/opt/rustwide/target/debug/deps/libbuddy_alloc-c2daf1d27148a9b5.rlib --extern concurrent_queue=/opt/rustwide/target/debug/deps/libconcurrent_queue-abc897afdf190a41.rlib --extern enclose=/opt/rustwide/target/debug/deps/libenclose-1e525d4346c58d5b.rlib --extern fastrand=/opt/rustwide/target/debug/deps/libfastrand-0e69185d5746989a.rlib --extern futures=/opt/rustwide/target/debug/deps/libfutures-374a540b0992efbd.rlib --extern futures_lite=/opt/rustwide/target/debug/deps/libfutures_lite-73d8a9c5033634b6.rlib --extern intrusive_collections=/opt/rustwide/target/debug/deps/libintrusive_collections-18ed3624ebf0a10e.rlib --extern itertools=/opt/rustwide/target/debug/deps/libitertools-c0ea5b4b1d6f2c02.rlib --extern lazy_static=/opt/rustwide/target/debug/deps/liblazy_static-df981c5871754530.rlib --extern libc=/opt/rustwide/target/debug/deps/liblibc-bcc097ad0ad2427e.rlib --extern lockfree=/opt/rustwide/target/debug/deps/liblockfree-18a7131410aa8ad0.rlib --extern log=/opt/rustwide/target/debug/deps/liblog-7914ddd45155fdc8.rlib --extern membarrier=/opt/rustwide/target/debug/deps/libmembarrier-658fad4d0f014b2a.rlib --extern nix=/opt/rustwide/target/debug/deps/libnix-d1a6b02f002ae1cf.rlib --extern pin_project_lite=/opt/rustwide/target/debug/deps/libpin_project_lite-7977404b19a2055c.rlib --extern rand=/opt/rustwide/target/debug/deps/librand-2c21ff2fa415381b.rlib --extern rlimit=/opt/rustwide/target/debug/deps/librlimit-1618104353d50a39.rlib --extern scoped_tls=/opt/rustwide/target/debug/deps/libscoped_tls-56b422ce3e5cbda6.rlib --extern scopeguard=/opt/rustwide/target/debug/deps/libscopeguard-b1d53bbb551c9d76.rlib --extern smallvec=/opt/rustwide/target/debug/deps/libsmallvec-48e4069e2bb904d5.rlib --extern socket2=/opt/rustwide/target/debug/deps/libsocket2-1e8fb630b29ce21e.rlib --extern tokio=/opt/rustwide/target/debug/deps/libtokio-0f9d90c78439925d.rlib --extern tracing=/opt/rustwide/target/debug/deps/libtracing-170b4423c35ab12f.rlib --extern tracing_subscriber=/opt/rustwide/target/debug/deps/libtracing_subscriber-673375b8810435dc.rlib --extern typenum=/opt/rustwide/target/debug/deps/libtypenum-81ca94bc9a0f2863.rlib --cap-lints=warn -L native=/opt/rustwide/target/debug/build/glommio-8ffba19d3b8566ff/out -L native=/opt/rustwide/target/debug/build/glommio-8ffba19d3b8566ff/out -l static=uring -l static=rusturing` (signal: 9, SIGKILL: kill)
[INFO] running `Command { std: "docker" "inspect" "4ed49e09f93db4acf1ea49d873b5dc6c3d513cbcd453f253cab02c1c2619864c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4ed49e09f93db4acf1ea49d873b5dc6c3d513cbcd453f253cab02c1c2619864c", kill_on_drop: false }`
[INFO] [stdout] 4ed49e09f93db4acf1ea49d873b5dc6c3d513cbcd453f253cab02c1c2619864c