[INFO] fetching crate glommio 0.5.0...
[INFO] testing glommio-0.5.0 against beta-2021-08-01 for beta-1.55-1
[INFO] extracting crate glommio 0.5.0 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate glommio 0.5.0 on toolchain beta-2021-08-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "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-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded intrusive-collections v0.9.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+beta-2021-08-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e3554bf0225209e2a7e357852522861a2db82d790f5f1bbef237253e7790970b
[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" "e3554bf0225209e2a7e357852522861a2db82d790f5f1bbef237253e7790970b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e3554bf0225209e2a7e357852522861a2db82d790f5f1bbef237253e7790970b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e3554bf0225209e2a7e357852522861a2db82d790f5f1bbef237253e7790970b", kill_on_drop: false }`
[INFO] [stdout] e3554bf0225209e2a7e357852522861a2db82d790f5f1bbef237253e7790970b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+beta-2021-08-01" "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] 929d5f64bffe7946991bb14d1b8c35ab17af301cae332ebebb800c2c193c0f93
[INFO] running `Command { std: "docker" "start" "-a" "929d5f64bffe7946991bb14d1b8c35ab17af301cae332ebebb800c2c193c0f93", kill_on_drop: false }`
[INFO] [stderr]    Compiling buddy-alloc v0.4.1
[INFO] [stderr]    Compiling glommio v0.5.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling getrandom v0.2.3
[INFO] [stderr]    Compiling socket2 v0.3.19
[INFO] [stderr]    Compiling rlimit v0.5.4
[INFO] [stderr]    Compiling intrusive-collections v0.9.2
[INFO] [stderr]    Compiling bitmaps v2.1.0
[INFO] [stderr]    Compiling futures-lite v1.12.0
[INFO] [stderr]    Compiling nix v0.19.1
[INFO] [stderr]    Compiling membarrier v0.2.2
[INFO] [stderr]    Compiling ahash v0.5.10
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 12.50s
[INFO] running `Command { std: "docker" "inspect" "929d5f64bffe7946991bb14d1b8c35ab17af301cae332ebebb800c2c193c0f93", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "929d5f64bffe7946991bb14d1b8c35ab17af301cae332ebebb800c2c193c0f93", kill_on_drop: false }`
[INFO] [stdout] 929d5f64bffe7946991bb14d1b8c35ab17af301cae332ebebb800c2c193c0f93
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+beta-2021-08-01" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 902ee97f0ee2e198a8a06b73348e979e8c0f68cb684ffe6cc9d5ae69c4d8a995
[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" "902ee97f0ee2e198a8a06b73348e979e8c0f68cb684ffe6cc9d5ae69c4d8a995", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling bytes v0.6.0
[INFO] [stderr]    Compiling tokio v0.3.7
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling mio v0.7.13
[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 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`; 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=85a92daa39d9be73 -C extra-filename=-85a92daa39d9be73 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern ahash=/opt/rustwide/target/debug/deps/libahash-32d39bfc8b1b2078.rlib --extern bitflags=/opt/rustwide/target/debug/deps/libbitflags-e09638bf9aca31b4.rlib --extern bitmaps=/opt/rustwide/target/debug/deps/libbitmaps-1d20fdac0158184c.rlib --extern buddy_alloc=/opt/rustwide/target/debug/deps/libbuddy_alloc-bf43b73512213277.rlib --extern concurrent_queue=/opt/rustwide/target/debug/deps/libconcurrent_queue-3892435c9eee09a4.rlib --extern enclose=/opt/rustwide/target/debug/deps/libenclose-34dfc40842722943.rlib --extern fastrand=/opt/rustwide/target/debug/deps/libfastrand-9b42ecade48edafb.rlib --extern futures=/opt/rustwide/target/debug/deps/libfutures-039d979db32396f2.rlib --extern futures_lite=/opt/rustwide/target/debug/deps/libfutures_lite-d9e43f01d97922e4.rlib --extern intrusive_collections=/opt/rustwide/target/debug/deps/libintrusive_collections-1b7b6d8012a0f140.rlib --extern itertools=/opt/rustwide/target/debug/deps/libitertools-ae4a8260a0a356f1.rlib --extern lazy_static=/opt/rustwide/target/debug/deps/liblazy_static-e92083d5a39a8b50.rlib --extern libc=/opt/rustwide/target/debug/deps/liblibc-2c7f7e9e5b7fe89f.rlib --extern lockfree=/opt/rustwide/target/debug/deps/liblockfree-56756488d6c963c6.rlib --extern log=/opt/rustwide/target/debug/deps/liblog-18e19f5b5787b169.rlib --extern membarrier=/opt/rustwide/target/debug/deps/libmembarrier-66a13093723adf10.rlib --extern nix=/opt/rustwide/target/debug/deps/libnix-ebd5b70247259560.rlib --extern pin_project_lite=/opt/rustwide/target/debug/deps/libpin_project_lite-586d10315f254273.rlib --extern rand=/opt/rustwide/target/debug/deps/librand-a0462ae06aa436e9.rlib --extern rlimit=/opt/rustwide/target/debug/deps/librlimit-c81ba33bba7c6666.rlib --extern scoped_tls=/opt/rustwide/target/debug/deps/libscoped_tls-db13ee060a3877d2.rlib --extern scopeguard=/opt/rustwide/target/debug/deps/libscopeguard-6af357b04516600c.rlib --extern smallvec=/opt/rustwide/target/debug/deps/libsmallvec-dcdf1e24f8ac47a7.rlib --extern socket2=/opt/rustwide/target/debug/deps/libsocket2-93d653b430c2dfdc.rlib --extern tokio=/opt/rustwide/target/debug/deps/libtokio-2c75cab395177d44.rlib --extern tracing=/opt/rustwide/target/debug/deps/libtracing-5e0d5d3cd7d271e7.rlib --extern tracing_subscriber=/opt/rustwide/target/debug/deps/libtracing_subscriber-dcfedd8001fcae8b.rlib --extern typenum=/opt/rustwide/target/debug/deps/libtypenum-f4df5726651c8a1c.rlib --cap-lints=warn -L native=/opt/rustwide/target/debug/build/glommio-24c2c08c92be1eba/out -L native=/opt/rustwide/target/debug/build/glommio-24c2c08c92be1eba/out -l static=uring -l static=rusturing` (signal: 9, SIGKILL: kill)
[INFO] running `Command { std: "docker" "inspect" "902ee97f0ee2e198a8a06b73348e979e8c0f68cb684ffe6cc9d5ae69c4d8a995", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "902ee97f0ee2e198a8a06b73348e979e8c0f68cb684ffe6cc9d5ae69c4d8a995", kill_on_drop: false }`
[INFO] [stdout] 902ee97f0ee2e198a8a06b73348e979e8c0f68cb684ffe6cc9d5ae69c4d8a995
