[INFO] fetching crate glommio 0.5.0...
[INFO] testing glommio-0.5.0 against try#d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2 for pr-86479
[INFO] extracting crate glommio 0.5.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate glommio 0.5.0 on toolchain d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "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-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded buddy-alloc v0.4.1
[INFO] [stderr]   Downloaded enclose v1.1.8
[INFO] [stderr]   Downloaded ahash v0.5.10
[INFO] [stderr]   Downloaded membarrier v0.2.2
[INFO] [stderr]   Downloaded nix v0.19.1
[INFO] [stderr]   Downloaded lockfree v0.5.1
[INFO] [stderr]   Downloaded rlimit v0.5.4
[INFO] [stderr]   Downloaded sharded-slab v0.1.2
[INFO] [stderr]   Downloaded intrusive-collections v0.9.2
[INFO] [stderr]   Downloaded owned-alloc v0.2.0
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6fcc44ead4340a5c4b420649a851d639af90f22baebcc731c817865377e079f7
[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" "6fcc44ead4340a5c4b420649a851d639af90f22baebcc731c817865377e079f7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6fcc44ead4340a5c4b420649a851d639af90f22baebcc731c817865377e079f7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6fcc44ead4340a5c4b420649a851d639af90f22baebcc731c817865377e079f7", kill_on_drop: false }`
[INFO] [stdout] 6fcc44ead4340a5c4b420649a851d639af90f22baebcc731c817865377e079f7
[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=forbid" "-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" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "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] 9ef74d5e26e53914496ec3e66cdc413024a40b74ec3ef15627e37a8ecb8c8012
[INFO] running `Command { std: "docker" "start" "-a" "9ef74d5e26e53914496ec3e66cdc413024a40b74ec3ef15627e37a8ecb8c8012", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.98
[INFO] [stderr]    Compiling futures-core v0.3.16
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling cc v1.0.69
[INFO] [stderr]    Compiling pin-project-lite v0.2.7
[INFO] [stderr]    Compiling parking v2.0.0
[INFO] [stderr]    Compiling owned-alloc v0.2.0
[INFO] [stderr]    Compiling waker-fn v1.1.0
[INFO] [stderr]    Compiling futures-io v0.3.16
[INFO] [stderr]    Compiling cache-padded v1.1.1
[INFO] [stderr]    Compiling fastrand v1.5.0
[INFO] [stderr]    Compiling pin-project-lite v0.1.12
[INFO] [stderr]    Compiling smallvec v1.6.1
[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 v0.1.18
[INFO] [stderr]    Compiling itertools v0.10.1
[INFO] [stderr]    Compiling concurrent-queue v1.2.2
[INFO] [stderr]    Compiling bitmaps v2.1.0
[INFO] [stderr]    Compiling syn v1.0.74
[INFO] [stderr]    Compiling lockfree v0.5.1
[INFO] [stderr]    Compiling intrusive-collections v0.9.2
[INFO] [stderr]    Compiling futures-lite v1.12.0
[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 nix v0.19.1
[INFO] [stderr]    Compiling rlimit v0.5.4
[INFO] [stderr]    Compiling membarrier v0.2.2
[INFO] [stderr]    Compiling ahash v0.5.10
[INFO] [stderr]    Compiling tracing-attributes v0.1.15
[INFO] [stderr]    Compiling tracing v0.1.26
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 50.37s
[INFO] running `Command { std: "docker" "inspect" "9ef74d5e26e53914496ec3e66cdc413024a40b74ec3ef15627e37a8ecb8c8012", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9ef74d5e26e53914496ec3e66cdc413024a40b74ec3ef15627e37a8ecb8c8012", kill_on_drop: false }`
[INFO] [stdout] 9ef74d5e26e53914496ec3e66cdc413024a40b74ec3ef15627e37a8ecb8c8012
[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=forbid" "-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" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "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] 73e6fef3db50171effab1a726080ff0ed2157eac8b62e4d1e97c6d5f5845886b
[INFO] running `Command { std: "docker" "start" "-a" "73e6fef3db50171effab1a726080ff0ed2157eac8b62e4d1e97c6d5f5845886b", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro-hack v0.5.19
[INFO] [stderr]    Compiling proc-macro-nested v0.1.7
[INFO] [stderr]    Compiling futures-channel v0.3.16
[INFO] [stderr]    Compiling futures-task v0.3.16
[INFO] [stderr]    Compiling slab v0.4.3
[INFO] [stderr]    Compiling futures-sink v0.3.16
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling pin-utils v0.1.0
[INFO] [stderr]    Compiling ppv-lite86 v0.2.10
[INFO] [stderr]    Compiling bytes v0.6.0
[INFO] [stderr]    Compiling ansi_term v0.12.1
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling futures-macro v0.3.16
[INFO] [stderr]    Compiling futures-util v0.3.16
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling tokio v0.3.7
[INFO] [stderr]    Compiling sharded-slab v0.1.2
[INFO] [stderr]    Compiling regex-automata v0.1.10
[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 mio v0.7.13
[INFO] [stderr]    Compiling tracing-log v0.1.2
[INFO] [stderr]    Compiling tracing-serde v0.1.2
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]    Compiling tokio-macros v0.3.2
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling serde_json v1.0.66
[INFO] [stderr]    Compiling matchers v0.0.1
[INFO] [stderr]    Compiling rand v0.8.4
[INFO] [stderr]    Compiling chrono v0.4.19
[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=8880df78f2bf99aa -C extra-filename=-8880df78f2bf99aa --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern ahash=/opt/rustwide/target/debug/deps/libahash-0864ca8d7660096f.rlib --extern bitflags=/opt/rustwide/target/debug/deps/libbitflags-603a79344a96ee73.rlib --extern bitmaps=/opt/rustwide/target/debug/deps/libbitmaps-8b3638cff628845a.rlib --extern buddy_alloc=/opt/rustwide/target/debug/deps/libbuddy_alloc-3039909ea67a3ca9.rlib --extern concurrent_queue=/opt/rustwide/target/debug/deps/libconcurrent_queue-fbc12658b45b6b65.rlib --extern enclose=/opt/rustwide/target/debug/deps/libenclose-f649b8ef84a5131e.rlib --extern fastrand=/opt/rustwide/target/debug/deps/libfastrand-161b9b0c405c1996.rlib --extern futures=/opt/rustwide/target/debug/deps/libfutures-65bf04b801ec8902.rlib --extern futures_lite=/opt/rustwide/target/debug/deps/libfutures_lite-19a2bd937fc2442c.rlib --extern intrusive_collections=/opt/rustwide/target/debug/deps/libintrusive_collections-78490e75f309d41b.rlib --extern itertools=/opt/rustwide/target/debug/deps/libitertools-78c60b588458e652.rlib --extern lazy_static=/opt/rustwide/target/debug/deps/liblazy_static-f67718dd40129317.rlib --extern libc=/opt/rustwide/target/debug/deps/liblibc-2a4a189f71164813.rlib --extern lockfree=/opt/rustwide/target/debug/deps/liblockfree-f7e684e3da98e70b.rlib --extern log=/opt/rustwide/target/debug/deps/liblog-062ec20cca67060d.rlib --extern membarrier=/opt/rustwide/target/debug/deps/libmembarrier-35c5ad96bf93e355.rlib --extern nix=/opt/rustwide/target/debug/deps/libnix-4e6ecd5b53d1a57e.rlib --extern pin_project_lite=/opt/rustwide/target/debug/deps/libpin_project_lite-52c2afb26197e5db.rlib --extern rand=/opt/rustwide/target/debug/deps/librand-1fc9fef9a6a8607e.rlib --extern rlimit=/opt/rustwide/target/debug/deps/librlimit-ae4e4e3bc8a7b5ad.rlib --extern scoped_tls=/opt/rustwide/target/debug/deps/libscoped_tls-2f49685caf09edb1.rlib --extern scopeguard=/opt/rustwide/target/debug/deps/libscopeguard-9b25ba78795f5c9c.rlib --extern smallvec=/opt/rustwide/target/debug/deps/libsmallvec-cd3194e3854591e1.rlib --extern socket2=/opt/rustwide/target/debug/deps/libsocket2-d498dd0b90dc063a.rlib --extern tokio=/opt/rustwide/target/debug/deps/libtokio-76889c6435ea52ff.rlib --extern tracing=/opt/rustwide/target/debug/deps/libtracing-579809d63b04cbd1.rlib --extern tracing_subscriber=/opt/rustwide/target/debug/deps/libtracing_subscriber-cbbfb9a909a6e4f6.rlib --extern typenum=/opt/rustwide/target/debug/deps/libtypenum-0d64906a7293a7d7.rlib --cap-lints=forbid -L native=/opt/rustwide/target/debug/build/glommio-2534d5accf59b833/out -L native=/opt/rustwide/target/debug/build/glommio-2534d5accf59b833/out -l static=uring -l static=rusturing` (signal: 9, SIGKILL: kill)
[INFO] running `Command { std: "docker" "inspect" "73e6fef3db50171effab1a726080ff0ed2157eac8b62e4d1e97c6d5f5845886b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "73e6fef3db50171effab1a726080ff0ed2157eac8b62e4d1e97c6d5f5845886b", kill_on_drop: false }`
[INFO] [stdout] 73e6fef3db50171effab1a726080ff0ed2157eac8b62e4d1e97c6d5f5845886b