[INFO] fetching crate glommio 0.4.1...
[INFO] testing glommio-0.4.1 against master#432e145bd5a974c5b6f4dd9b352891bd7502b69d for pr-87041
[INFO] extracting crate glommio 0.4.1 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate glommio 0.4.1 on toolchain 432e145bd5a974c5b6f4dd9b352891bd7502b69d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "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-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e602ee84bf6a9861ae99b56ee4081b131716d277bc985d8a5622be836924a2bb
[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" "e602ee84bf6a9861ae99b56ee4081b131716d277bc985d8a5622be836924a2bb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e602ee84bf6a9861ae99b56ee4081b131716d277bc985d8a5622be836924a2bb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e602ee84bf6a9861ae99b56ee4081b131716d277bc985d8a5622be836924a2bb", kill_on_drop: false }`
[INFO] [stdout] e602ee84bf6a9861ae99b56ee4081b131716d277bc985d8a5622be836924a2bb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e75be84eaef5464a8603770bfcc40c891d81d3f651fc48630b4909b9e738e1ec
[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" "e75be84eaef5464a8603770bfcc40c891d81d3f651fc48630b4909b9e738e1ec", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.98
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling futures-core v0.3.15
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling pin-project-lite v0.2.7
[INFO] [stderr]    Compiling parking v2.0.0
[INFO] [stderr]    Compiling futures-io v0.3.15
[INFO] [stderr]    Compiling owned-alloc v0.2.0
[INFO] [stderr]    Compiling fastrand v1.4.1
[INFO] [stderr]    Compiling cache-padded v1.1.1
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling waker-fn v1.1.0
[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 enclose v1.1.8
[INFO] [stderr]    Compiling smallvec v1.6.1
[INFO] [stderr]    Compiling glommio v0.4.1 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling concurrent-queue v1.2.2
[INFO] [stderr]    Compiling bitmaps v2.1.0
[INFO] [stderr]    Compiling lockfree v0.5.1
[INFO] [stderr]    Compiling memoffset v0.5.6
[INFO] [stderr]    Compiling intrusive-collections v0.9.2
[INFO] [stderr]    Compiling futures-lite v1.12.0
[INFO] [stderr]    Compiling getrandom v0.2.3
[INFO] [stderr]    Compiling rlimit v0.3.0
[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] [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 16.89s
[INFO] running `Command { std: "docker" "inspect" "e75be84eaef5464a8603770bfcc40c891d81d3f651fc48630b4909b9e738e1ec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e75be84eaef5464a8603770bfcc40c891d81d3f651fc48630b4909b9e738e1ec", kill_on_drop: false }`
[INFO] [stdout] e75be84eaef5464a8603770bfcc40c891d81d3f651fc48630b4909b9e738e1ec
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bf48427d65a821b149fd8f1c1a3e3cf1abf5ea5ed5221ade1c7ac05a0f1b46d9
[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" "bf48427d65a821b149fd8f1c1a3e3cf1abf5ea5ed5221ade1c7ac05a0f1b46d9", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling proc-macro2 v1.0.27
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.73
[INFO] [stderr]    Compiling proc-macro-hack v0.5.19
[INFO] [stderr]    Compiling futures-task v0.3.15
[INFO] [stderr]    Compiling proc-macro-nested v0.1.7
[INFO] [stderr]    Compiling futures-channel v0.3.15
[INFO] [stderr]    Compiling slab v0.4.3
[INFO] [stderr]    Compiling futures-sink v0.3.15
[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 v0.7.13
[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 quote v1.0.9
[INFO] [stderr]    Compiling tokio-macros v0.3.2
[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=9d927655c64ded66 -C extra-filename=-9d927655c64ded66 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern ahash=/opt/rustwide/target/debug/deps/libahash-d503641466870d36.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-d5531d5f1ef97941.rlib --extern futures=/opt/rustwide/target/debug/deps/libfutures-ca3b2ad8bd4db3e4.rlib --extern futures_lite=/opt/rustwide/target/debug/deps/libfutures_lite-098ba1d7bebb5ea2.rlib --extern intrusive_collections=/opt/rustwide/target/debug/deps/libintrusive_collections-78490e75f309d41b.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-01281b64fe0b6ea0.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 rlimit=/opt/rustwide/target/debug/deps/librlimit-a0041ead69264de6.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-2373f89db8adc0bf.rlib --extern socket2=/opt/rustwide/target/debug/deps/libsocket2-d498dd0b90dc063a.rlib --extern tokio=/opt/rustwide/target/debug/deps/libtokio-845acb23805091bc.rlib --extern typenum=/opt/rustwide/target/debug/deps/libtypenum-0d64906a7293a7d7.rlib --cap-lints=forbid -L native=/opt/rustwide/target/debug/build/glommio-a33aaeaa02184b78/out -L native=/opt/rustwide/target/debug/build/glommio-a33aaeaa02184b78/out -l static=uring -l static=rusturing` (signal: 9, SIGKILL: kill)
[INFO] running `Command { std: "docker" "inspect" "bf48427d65a821b149fd8f1c1a3e3cf1abf5ea5ed5221ade1c7ac05a0f1b46d9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bf48427d65a821b149fd8f1c1a3e3cf1abf5ea5ed5221ade1c7ac05a0f1b46d9", kill_on_drop: false }`
[INFO] [stdout] bf48427d65a821b149fd8f1c1a3e3cf1abf5ea5ed5221ade1c7ac05a0f1b46d9