[INFO] cloning repository https://github.com/matze/tokio-net-vs-uring
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/matze/tokio-net-vs-uring" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmatze%2Ftokio-net-vs-uring", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmatze%2Ftokio-net-vs-uring'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b511b7096a2f7f92f87fa4a481f004098966337d
[INFO] testing matze/tokio-net-vs-uring against beta-2022-04-10 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmatze%2Ftokio-net-vs-uring" "/workspace/builds/worker-12/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/matze/tokio-net-vs-uring on toolchain beta-2022-04-10
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/matze/tokio-net-vs-uring
[INFO] finished tweaking git repo https://github.com/matze/tokio-net-vs-uring
[INFO] tweaked toml for git repo https://github.com/matze/tokio-net-vs-uring written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate git repo https://github.com/matze/tokio-net-vs-uring already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8ad00b86d6b8f717182eaddb7ed31f684c6e5e5d15654dd130b25f2c586ef7db
[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" "8ad00b86d6b8f717182eaddb7ed31f684c6e5e5d15654dd130b25f2c586ef7db", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8ad00b86d6b8f717182eaddb7ed31f684c6e5e5d15654dd130b25f2c586ef7db", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8ad00b86d6b8f717182eaddb7ed31f684c6e5e5d15654dd130b25f2c586ef7db", kill_on_drop: false }`
[INFO] [stdout] 8ad00b86d6b8f717182eaddb7ed31f684c6e5e5d15654dd130b25f2c586ef7db
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 07cf87827a5d1383443f25a80411ae6c894db8d9af05efbfcaa66837e976785e
[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" "07cf87827a5d1383443f25a80411ae6c894db8d9af05efbfcaa66837e976785e", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.119
[INFO] [stderr]    Compiling crossbeam-utils v0.8.7
[INFO] [stderr]    Compiling futures-core v0.3.21
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.7
[INFO] [stderr]    Compiling crossbeam-queue v0.3.4
[INFO] [stderr]    Compiling io-uring v0.5.2
[INFO] [stderr]    Compiling common-bench v0.1.0 (/opt/rustwide/workdir/common-bench)
[INFO] [stderr]    Compiling owned-alloc v0.2.0
[INFO] [stderr]    Compiling futures-sink v0.3.21
[INFO] [stderr]    Compiling buddy-alloc v0.4.1
[INFO] [stderr]    Compiling smallvec v1.8.0
[INFO] [stderr]    Compiling bitmaps v3.1.0
[INFO] [stderr]    Compiling backtrace v0.3.64
[INFO] [stderr]    Compiling lock_api v0.4.6
[INFO] [stderr]    Compiling glommio v0.7.0
[INFO] [stderr]    Compiling intrusive-collections v0.9.3
[INFO] [stderr]    Compiling pin-project-internal v1.0.10
[INFO] [stderr]    Compiling tracing-attributes v0.1.19
[INFO] [stderr]    Compiling lockfree v0.5.1
[INFO] [stderr]    Compiling spin v0.9.2
[INFO] [stderr]    Compiling futures-lite v1.12.0
[INFO] [stderr]    Compiling crossbeam-channel v0.5.2
[INFO] [stderr]    Compiling crossbeam-deque v0.8.1
[INFO] [stderr]    Compiling crossbeam v0.8.1
[INFO] [stderr]    Compiling getrandom v0.2.5
[INFO] [stderr]    Compiling mio v0.8.0
[INFO] [stderr]    Compiling socket2 v0.4.4
[INFO] [stderr]    Compiling signal-hook-registry v1.4.0
[INFO] [stderr]    Compiling socket2 v0.3.19
[INFO] [stderr]    Compiling membarrier v0.2.2
[INFO] [stderr]    Compiling nix v0.23.1
[INFO] [stderr]    Compiling rlimit v0.6.2
[INFO] [stderr]    Compiling nanorand v0.6.1
[INFO] [stderr]    Compiling ahash v0.7.6
[INFO] [stderr]    Compiling signal-hook v0.3.13
[INFO] [stderr]    Compiling pin-project v1.0.10
[INFO] [stderr]    Compiling tracing v0.1.31
[INFO] [stderr]    Compiling tokio v1.17.0
[INFO] [stderr]    Compiling flume v0.10.11
[INFO] [stderr]    Compiling tokio-uring v0.3.0
[INFO] [stderr]    Compiling uring-bench v0.1.0 (/opt/rustwide/workdir/uring-bench)
[INFO] [stderr]    Compiling tokio-bench v0.1.0 (/opt/rustwide/workdir/tokio-bench)
[INFO] [stderr]    Compiling glommio-bench v0.1.0 (/opt/rustwide/workdir/glommio-bench)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 25s
[INFO] running `Command { std: "docker" "inspect" "07cf87827a5d1383443f25a80411ae6c894db8d9af05efbfcaa66837e976785e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "07cf87827a5d1383443f25a80411ae6c894db8d9af05efbfcaa66837e976785e", kill_on_drop: false }`
[INFO] [stdout] 07cf87827a5d1383443f25a80411ae6c894db8d9af05efbfcaa66837e976785e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "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] 553d20401a3d1d5706d3f29227c1f2742c90c3554b2124048a62430b2c4c2175
[INFO] running `Command { std: "docker" "start" "-a" "553d20401a3d1d5706d3f29227c1f2742c90c3554b2124048a62430b2c4c2175", kill_on_drop: false }`
[INFO] [stderr]    Compiling common-bench v0.1.0 (/opt/rustwide/workdir/common-bench)
[INFO] [stderr]    Compiling tokio-bench v0.1.0 (/opt/rustwide/workdir/tokio-bench)
[INFO] [stderr]    Compiling uring-bench v0.1.0 (/opt/rustwide/workdir/uring-bench)
[INFO] [stderr]    Compiling glommio-bench v0.1.0 (/opt/rustwide/workdir/glommio-bench)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.89s
[INFO] [stderr]   Executable unittests src/lib.rs (/opt/rustwide/target/debug/deps/common_bench-1323b58e9cc60186)
[INFO] [stderr]   Executable unittests src/main.rs (/opt/rustwide/target/debug/deps/glommio_bench-07a2b3450223b99e)
[INFO] [stderr]   Executable unittests src/main.rs (/opt/rustwide/target/debug/deps/tokio_bench-9d1f27e261d34469)
[INFO] [stderr]   Executable unittests src/main.rs (/opt/rustwide/target/debug/deps/uring_bench-1fdb0a8940475f16)
[INFO] running `Command { std: "docker" "inspect" "553d20401a3d1d5706d3f29227c1f2742c90c3554b2124048a62430b2c4c2175", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "553d20401a3d1d5706d3f29227c1f2742c90c3554b2124048a62430b2c4c2175", kill_on_drop: false }`
[INFO] [stdout] 553d20401a3d1d5706d3f29227c1f2742c90c3554b2124048a62430b2c4c2175
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen", 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] 81869c7a8b46e1bfc96efea0b2f21078dd61049e948fe7ade570869df959b394
[INFO] running `Command { std: "docker" "start" "-a" "81869c7a8b46e1bfc96efea0b2f21078dd61049e948fe7ade570869df959b394", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.16s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/common_bench-1323b58e9cc60186)
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/glommio_bench-07a2b3450223b99e)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/tokio_bench-9d1f27e261d34469)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/uring_bench-1fdb0a8940475f16)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests common-bench
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "81869c7a8b46e1bfc96efea0b2f21078dd61049e948fe7ade570869df959b394", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "81869c7a8b46e1bfc96efea0b2f21078dd61049e948fe7ade570869df959b394", kill_on_drop: false }`
[INFO] [stdout] 81869c7a8b46e1bfc96efea0b2f21078dd61049e948fe7ade570869df959b394