[INFO] fetching crate glommio 0.5.0...
[INFO] testing glommio-0.5.0 against 1.54.0 for beta-1.55-1
[INFO] extracting crate glommio 0.5.0 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate glommio 0.5.0 on toolchain 1.54.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate glommio 0.5.0
[INFO] finished tweaking crates.io crate glommio 0.5.0
[INFO] tweaked toml for crates.io crate glommio 0.5.0 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "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-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "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] 803a8af79e6d88fdfc4bcecca8f7cd0b1e01aa7ef5089ff4d4869a0f073176b0
[INFO] running `Command { std: "docker" "start" "-a" "803a8af79e6d88fdfc4bcecca8f7cd0b1e01aa7ef5089ff4d4869a0f073176b0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "803a8af79e6d88fdfc4bcecca8f7cd0b1e01aa7ef5089ff4d4869a0f073176b0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "803a8af79e6d88fdfc4bcecca8f7cd0b1e01aa7ef5089ff4d4869a0f073176b0", kill_on_drop: false }`
[INFO] [stdout] 803a8af79e6d88fdfc4bcecca8f7cd0b1e01aa7ef5089ff4d4869a0f073176b0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f198af23f7062c387b86f980ba5daa5d188e61f57d8b72beb4ea83d767d4ab5a
[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" "f198af23f7062c387b86f980ba5daa5d188e61f57d8b72beb4ea83d767d4ab5a", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.98
[INFO] [stderr]    Compiling buddy-alloc v0.4.1
[INFO] [stderr]    Compiling smallvec v1.6.1
[INFO] [stderr]    Compiling glommio v0.5.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling futures-lite v1.12.0
[INFO] [stderr]    Compiling intrusive-collections v0.9.2
[INFO] [stderr]    Compiling tracing v0.1.26
[INFO] [stderr]    Compiling getrandom v0.2.3
[INFO] [stderr]    Compiling rlimit v0.5.4
[INFO] [stderr]    Compiling socket2 v0.3.19
[INFO] [stderr]    Compiling membarrier v0.2.2
[INFO] [stderr]    Compiling nix v0.19.1
[INFO] [stderr]    Compiling ahash v0.5.10
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 15.61s
[INFO] running `Command { std: "docker" "inspect" "f198af23f7062c387b86f980ba5daa5d188e61f57d8b72beb4ea83d767d4ab5a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f198af23f7062c387b86f980ba5daa5d188e61f57d8b72beb4ea83d767d4ab5a", kill_on_drop: false }`
[INFO] [stdout] f198af23f7062c387b86f980ba5daa5d188e61f57d8b72beb4ea83d767d4ab5a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "test" "--frozen" "--no-run" "--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] 866fce92a808940bb8ff0aea0c21d816ad422f61c7e33f0b1cf431bef68f9184
[INFO] running `Command { std: "docker" "start" "-a" "866fce92a808940bb8ff0aea0c21d816ad422f61c7e33f0b1cf431bef68f9184", kill_on_drop: false }`
[INFO] [stderr]    Compiling tokio v0.3.7
[INFO] [stderr]    Compiling sharded-slab v0.1.3
[INFO] [stderr]    Compiling regex-automata v0.1.10
[INFO] [stderr]    Compiling regex v1.5.4
[INFO] [stderr]    Compiling mio v0.7.13
[INFO] [stderr]    Compiling tracing-serde v0.1.2
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling tracing-log v0.1.2
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]    Compiling chrono v0.4.19
[INFO] [stderr]    Compiling tokio-macros v0.3.2
[INFO] [stderr]    Compiling futures-util v0.3.16
[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 v0.2.19
[INFO] [stderr]    Compiling futures-executor v0.3.16
[INFO] [stderr]    Compiling futures v0.3.16
[INFO] [stderr]    Compiling glommio v0.5.0 (/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`
[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=9155a96492a90a8b -C extra-filename=-9155a96492a90a8b --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern ahash=/opt/rustwide/target/debug/deps/libahash-462ca3ea682cae2f.rlib --extern bitflags=/opt/rustwide/target/debug/deps/libbitflags-f89ae4b715176e2d.rlib --extern bitmaps=/opt/rustwide/target/debug/deps/libbitmaps-064fa4555c0d612b.rlib --extern buddy_alloc=/opt/rustwide/target/debug/deps/libbuddy_alloc-b7a05322af981394.rlib --extern concurrent_queue=/opt/rustwide/target/debug/deps/libconcurrent_queue-6f0cdc0cab5a7239.rlib --extern enclose=/opt/rustwide/target/debug/deps/libenclose-7f6c07a3cb5525e1.rlib --extern fastrand=/opt/rustwide/target/debug/deps/libfastrand-90bf63f6c773be94.rlib --extern futures=/opt/rustwide/target/debug/deps/libfutures-9a11ee5b72dac368.rlib --extern futures_lite=/opt/rustwide/target/debug/deps/libfutures_lite-04f39345ed7da4e8.rlib --extern intrusive_collections=/opt/rustwide/target/debug/deps/libintrusive_collections-a40febb5e25c5874.rlib --extern itertools=/opt/rustwide/target/debug/deps/libitertools-6b844899321ff5c6.rlib --extern lazy_static=/opt/rustwide/target/debug/deps/liblazy_static-5c53d641eb010a81.rlib --extern libc=/opt/rustwide/target/debug/deps/liblibc-e98742e86e7eeb07.rlib --extern lockfree=/opt/rustwide/target/debug/deps/liblockfree-9c31732308e89f0a.rlib --extern log=/opt/rustwide/target/debug/deps/liblog-c7a6438e9780af3a.rlib --extern membarrier=/opt/rustwide/target/debug/deps/libmembarrier-c3810595317ac821.rlib --extern nix=/opt/rustwide/target/debug/deps/libnix-502dc68b5a10cf76.rlib --extern pin_project_lite=/opt/rustwide/target/debug/deps/libpin_project_lite-75b1067fb9bf87bb.rlib --extern rand=/opt/rustwide/target/debug/deps/librand-62a02df8c12f4b9d.rlib --extern rlimit=/opt/rustwide/target/debug/deps/librlimit-2194640f737b233f.rlib --extern scoped_tls=/opt/rustwide/target/debug/deps/libscoped_tls-602338794b502a6b.rlib --extern scopeguard=/opt/rustwide/target/debug/deps/libscopeguard-190fd5dc8e408c4f.rlib --extern smallvec=/opt/rustwide/target/debug/deps/libsmallvec-35a8c215a8357c96.rlib --extern socket2=/opt/rustwide/target/debug/deps/libsocket2-9f3ffbf7c4976f18.rlib --extern tokio=/opt/rustwide/target/debug/deps/libtokio-e05f65fdd0b266a6.rlib --extern tracing=/opt/rustwide/target/debug/deps/libtracing-54702e7d5cab97db.rlib --extern tracing_subscriber=/opt/rustwide/target/debug/deps/libtracing_subscriber-fd61ad05715d9a9f.rlib --extern typenum=/opt/rustwide/target/debug/deps/libtypenum-9959a671b08afc70.rlib --cap-lints=warn -L native=/opt/rustwide/target/debug/build/glommio-443e7457dcdd659d/out -L native=/opt/rustwide/target/debug/build/glommio-443e7457dcdd659d/out -l static=uring -l static=rusturing` (signal: 9, SIGKILL: kill)
[INFO] running `Command { std: "docker" "inspect" "866fce92a808940bb8ff0aea0c21d816ad422f61c7e33f0b1cf431bef68f9184", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "866fce92a808940bb8ff0aea0c21d816ad422f61c7e33f0b1cf431bef68f9184", kill_on_drop: false }`
[INFO] [stdout] 866fce92a808940bb8ff0aea0c21d816ad422f61c7e33f0b1cf431bef68f9184
