[INFO] fetching crate glommio 0.4.1...
[INFO] testing glommio-0.4.1 against master#99e3aef02079e9c10583638520cd0c134dc3a01d for pr-85530
[INFO] extracting crate glommio 0.4.1 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate glommio 0.4.1 on toolchain 99e3aef02079e9c10583638520cd0c134dc3a01d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate glommio 0.4.1
[INFO] finished tweaking crates.io crate glommio 0.4.1
[INFO] tweaked toml for crates.io crate glommio 0.4.1 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fa28d44acedfddec6a35df41f289f5ef51950eaade104e255893f1e3173b2ed0
[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" "fa28d44acedfddec6a35df41f289f5ef51950eaade104e255893f1e3173b2ed0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fa28d44acedfddec6a35df41f289f5ef51950eaade104e255893f1e3173b2ed0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fa28d44acedfddec6a35df41f289f5ef51950eaade104e255893f1e3173b2ed0", kill_on_drop: false }`
[INFO] [stdout] fa28d44acedfddec6a35df41f289f5ef51950eaade104e255893f1e3173b2ed0
[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=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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 76a6820d569794aa20d38fabbf95ab20ddcf405b454bfa6492cc7915750cb6c3
[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" "76a6820d569794aa20d38fabbf95ab20ddcf405b454bfa6492cc7915750cb6c3", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.95
[INFO] [stderr]    Compiling winapi-build v0.1.1
[INFO] [stderr]    Compiling futures-core v0.3.15
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]    Compiling typenum v1.13.0
[INFO] [stderr]    Compiling winapi v0.2.8
[INFO] [stderr]    Compiling futures-io v0.3.15
[INFO] [stderr]    Compiling fastrand v1.4.1
[INFO] [stderr]    Compiling owned-alloc v0.2.0
[INFO] [stderr]    Compiling enclose v1.1.8
[INFO] [stderr]    Compiling pin-project-lite v0.1.12
[INFO] [stderr]    Compiling buddy-alloc v0.4.1
[INFO] [stderr]    Compiling scoped-tls v1.0.0
[INFO] [stderr]    Compiling memoffset v0.5.6
[INFO] [stderr]    Compiling glommio v0.4.1 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling lockfree v0.5.1
[INFO] [stderr]    Compiling kernel32-sys v0.2.2
[INFO] [stderr]    Compiling intrusive-collections v0.9.1
[INFO] [stderr]    Compiling futures-lite v1.12.0
[INFO] [stderr]    Compiling bitmaps v2.1.0
[INFO] [stderr]    Compiling getrandom v0.2.3
[INFO] [stderr]    Compiling nix v0.19.1
[INFO] [stderr]    Compiling socket2 v0.3.19
[INFO] [stderr]    Compiling rlimit v0.3.0
[INFO] [stderr]    Compiling membarrier v0.2.2
[INFO] [stderr]    Compiling ahash v0.5.10
[INFO] [stdout] warning: this attribute can only be applied at the crate level
[INFO] [stdout]   --> src/task/mod.rs:64:8
[INFO] [stdout]    |
[INFO] [stdout] 64 | #![doc(test(attr(deny(rust_2018_idioms, warnings))))]
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(invalid_doc_attributes)]` on by default
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = note: for more information, see issue #82730 <https://github.com/rust-lang/rust/issues/82730>
[INFO] [stdout]    = note: read https://doc.rust-lang.org/nightly/rustdoc/the-doc-attribute.html#at-the-crate-level for more information
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this attribute can only be applied at the crate level
[INFO] [stdout]   --> src/task/mod.rs:65:8
[INFO] [stdout]    |
[INFO] [stdout] 65 | #![doc(test(attr(allow(unused_extern_crates, unused_variables))))]
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = note: for more information, see issue #82730 <https://github.com/rust-lang/rust/issues/82730>
[INFO] [stdout]    = note: read https://doc.rust-lang.org/nightly/rustdoc/the-doc-attribute.html#at-the-crate-level for more information
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 12.04s
[INFO] running `Command { std: "docker" "inspect" "76a6820d569794aa20d38fabbf95ab20ddcf405b454bfa6492cc7915750cb6c3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "76a6820d569794aa20d38fabbf95ab20ddcf405b454bfa6492cc7915750cb6c3", kill_on_drop: false }`
[INFO] [stdout] 76a6820d569794aa20d38fabbf95ab20ddcf405b454bfa6492cc7915750cb6c3
[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=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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c863b988aad8b8914d50946b1718a1b4867fbe47a97aae8e9104c7aaf6529ea1
[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" "c863b988aad8b8914d50946b1718a1b4867fbe47a97aae8e9104c7aaf6529ea1", kill_on_drop: false }`
[INFO] [stderr]    Compiling futures-channel v0.3.15
[INFO] [stderr]    Compiling futures-sink v0.3.15
[INFO] [stderr]    Compiling slab v0.4.3
[INFO] [stderr]    Compiling pin-utils v0.1.0
[INFO] [stderr]    Compiling bytes v0.6.0
[INFO] [stderr]    Compiling futures-macro v0.3.15
[INFO] [stderr]    Compiling futures-util v0.3.15
[INFO] [stderr]    Compiling tokio v0.3.7
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling mio v0.7.11
[INFO] [stderr]    Compiling tokio-macros v0.3.2
[INFO] [stdout] warning: this attribute can only be applied at the crate level
[INFO] [stdout]   --> src/task/mod.rs:64:8
[INFO] [stdout]    |
[INFO] [stdout] 64 | #![doc(test(attr(deny(rust_2018_idioms, warnings))))]
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(invalid_doc_attributes)]` on by default
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = note: for more information, see issue #82730 <https://github.com/rust-lang/rust/issues/82730>
[INFO] [stdout]    = note: read https://doc.rust-lang.org/nightly/rustdoc/the-doc-attribute.html#at-the-crate-level for more information
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this attribute can only be applied at the crate level
[INFO] [stdout]   --> src/task/mod.rs:65:8
[INFO] [stdout]    |
[INFO] [stdout] 65 | #![doc(test(attr(allow(unused_extern_crates, unused_variables))))]
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = note: for more information, see issue #82730 <https://github.com/rust-lang/rust/issues/82730>
[INFO] [stdout]    = note: read https://doc.rust-lang.org/nightly/rustdoc/the-doc-attribute.html#at-the-crate-level for more information
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling futures-executor v0.3.15
[INFO] [stderr]    Compiling futures v0.3.15
[INFO] [stderr]    Compiling glommio v0.4.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: this attribute can only be applied at the crate level
[INFO] [stdout]   --> src/task/mod.rs:64:8
[INFO] [stdout]    |
[INFO] [stdout] 64 | #![doc(test(attr(deny(rust_2018_idioms, warnings))))]
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(invalid_doc_attributes)]` on by default
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = note: for more information, see issue #82730 <https://github.com/rust-lang/rust/issues/82730>
[INFO] [stdout]    = note: read https://doc.rust-lang.org/nightly/rustdoc/the-doc-attribute.html#at-the-crate-level for more information
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this attribute can only be applied at the crate level
[INFO] [stdout]   --> src/task/mod.rs:65:8
[INFO] [stdout]    |
[INFO] [stdout] 65 | #![doc(test(attr(allow(unused_extern_crates, unused_variables))))]
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = note: for more information, see issue #82730 <https://github.com/rust-lang/rust/issues/82730>
[INFO] [stdout]    = note: read https://doc.rust-lang.org/nightly/rustdoc/the-doc-attribute.html#at-the-crate-level for more information
[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=b5a16b895d04d349 -C extra-filename=-b5a16b895d04d349 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern ahash=/opt/rustwide/target/debug/deps/libahash-c9dad8bfc1e3bc4e.rlib --extern bitflags=/opt/rustwide/target/debug/deps/libbitflags-7f78c1de5599d643.rlib --extern bitmaps=/opt/rustwide/target/debug/deps/libbitmaps-e408192375fad882.rlib --extern buddy_alloc=/opt/rustwide/target/debug/deps/libbuddy_alloc-b16ac5aaa1ed14ce.rlib --extern concurrent_queue=/opt/rustwide/target/debug/deps/libconcurrent_queue-2eb4ff6f9706e7e1.rlib --extern enclose=/opt/rustwide/target/debug/deps/libenclose-253c7c0bb69fc628.rlib --extern fastrand=/opt/rustwide/target/debug/deps/libfastrand-6392547ac7e25f96.rlib --extern futures=/opt/rustwide/target/debug/deps/libfutures-05dc41f82a182d36.rlib --extern futures_lite=/opt/rustwide/target/debug/deps/libfutures_lite-114571ecc7ceedd0.rlib --extern intrusive_collections=/opt/rustwide/target/debug/deps/libintrusive_collections-404ab79adc016d2a.rlib --extern lazy_static=/opt/rustwide/target/debug/deps/liblazy_static-ff2d4c059a61c830.rlib --extern libc=/opt/rustwide/target/debug/deps/liblibc-5842cba8cb9554e4.rlib --extern lockfree=/opt/rustwide/target/debug/deps/liblockfree-b52b591f1396df6d.rlib --extern log=/opt/rustwide/target/debug/deps/liblog-106a529cec7317ee.rlib --extern membarrier=/opt/rustwide/target/debug/deps/libmembarrier-b4d63c49c4dee091.rlib --extern nix=/opt/rustwide/target/debug/deps/libnix-3476f6537a79adf1.rlib --extern pin_project_lite=/opt/rustwide/target/debug/deps/libpin_project_lite-e4662d347a5e4539.rlib --extern rlimit=/opt/rustwide/target/debug/deps/librlimit-8d6779cb3369e630.rlib --extern scoped_tls=/opt/rustwide/target/debug/deps/libscoped_tls-291fd32b54c943a6.rlib --extern scopeguard=/opt/rustwide/target/debug/deps/libscopeguard-6879ed36b1a1ad91.rlib --extern smallvec=/opt/rustwide/target/debug/deps/libsmallvec-9772763eab2c8bd0.rlib --extern socket2=/opt/rustwide/target/debug/deps/libsocket2-da0ffe47e638cf8c.rlib --extern tokio=/opt/rustwide/target/debug/deps/libtokio-5884147e195bb76a.rlib --extern typenum=/opt/rustwide/target/debug/deps/libtypenum-7b6ae30a26f4caa5.rlib --cap-lints=forbid -L native=/opt/rustwide/target/debug/build/glommio-5c9236b21ca33e68/out -L native=/opt/rustwide/target/debug/build/glommio-5c9236b21ca33e68/out -l static=uring -l static=rusturing` (signal: 9, SIGKILL: kill)
[INFO] running `Command { std: "docker" "inspect" "c863b988aad8b8914d50946b1718a1b4867fbe47a97aae8e9104c7aaf6529ea1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c863b988aad8b8914d50946b1718a1b4867fbe47a97aae8e9104c7aaf6529ea1", kill_on_drop: false }`
[INFO] [stdout] c863b988aad8b8914d50946b1718a1b4867fbe47a97aae8e9104c7aaf6529ea1