[INFO] cloning repository https://github.com/ethe/io-uring-is-not-cancellation-safe
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ethe/io-uring-is-not-cancellation-safe" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fethe%2Fio-uring-is-not-cancellation-safe", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fethe%2Fio-uring-is-not-cancellation-safe'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] bd2ebdb7a17b63febcf93f0eea9813fc942ccea7
[INFO] checking ethe/io-uring-is-not-cancellation-safe against try#969026c535f4240ff7866ef11207dfda18a26af6 for pr-146504
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fethe%2Fio-uring-is-not-cancellation-safe" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/ethe/io-uring-is-not-cancellation-safe
[INFO] finished tweaking git repo https://github.com/ethe/io-uring-is-not-cancellation-safe
[INFO] tweaked toml for git repo https://github.com/ethe/io-uring-is-not-cancellation-safe written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/ethe/io-uring-is-not-cancellation-safe on toolchain 969026c535f4240ff7866ef11207dfda18a26af6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+969026c535f4240ff7866ef11207dfda18a26af6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/ethe/io-uring-is-not-cancellation-safe already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+969026c535f4240ff7866ef11207dfda18a26af6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[INFO] checking ethe/io-uring-is-not-cancellation-safe against try#969026c535f4240ff7866ef11207dfda18a26af6 for pr-146504
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fethe%2Fio-uring-is-not-cancellation-safe" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/ethe/io-uring-is-not-cancellation-safe
[INFO] finished tweaking git repo https://github.com/ethe/io-uring-is-not-cancellation-safe
[INFO] tweaked toml for git repo https://github.com/ethe/io-uring-is-not-cancellation-safe written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/ethe/io-uring-is-not-cancellation-safe on toolchain 969026c535f4240ff7866ef11207dfda18a26af6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+969026c535f4240ff7866ef11207dfda18a26af6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/ethe/io-uring-is-not-cancellation-safe already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+969026c535f4240ff7866ef11207dfda18a26af6" "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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded io-uring v0.6.4
[INFO] [stderr]   Downloaded auto-const-array v0.2.1
[INFO] [stderr]   Downloaded monoio-macros v0.1.0
[INFO] [stderr]   Downloaded monoio v0.2.4
[INFO] [stderr]   Downloaded syn v2.0.85
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+969026c535f4240ff7866ef11207dfda18a26af6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] eab3c823752d4510eb1ebc5177d01b23e419ddc7ece56ce2c49b971e6976ffdc
[INFO] running `Command { std: "docker" "start" "-a" "eab3c823752d4510eb1ebc5177d01b23e419ddc7ece56ce2c49b971e6976ffdc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "eab3c823752d4510eb1ebc5177d01b23e419ddc7ece56ce2c49b971e6976ffdc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eab3c823752d4510eb1ebc5177d01b23e419ddc7ece56ce2c49b971e6976ffdc", kill_on_drop: false }`
[INFO] [stdout] eab3c823752d4510eb1ebc5177d01b23e419ddc7ece56ce2c49b971e6976ffdc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+969026c535f4240ff7866ef11207dfda18a26af6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 46b460f6504b6b9982517d4e9cd6ee85e83c3faa6625bf1192ccf3fba7d870e4
[INFO] running `Command { std: "docker" "start" "-a" "46b460f6504b6b9982517d4e9cd6ee85e83c3faa6625bf1192ccf3fba7d870e4", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.161
[INFO] [stderr]    Compiling io-uring v0.6.4
[INFO] [stderr]    Compiling memoffset v0.7.1
[INFO] [stderr]     Checking fxhash v0.2.1
[INFO] [stderr]     Checking bytes v1.8.0
[INFO] [stderr]    Compiling syn v2.0.85
[INFO] [stderr]     Checking socket2 v0.5.7
[INFO] [stderr]     Checking mio v0.8.11
[INFO] [stderr]     Checking nix v0.26.4
[INFO] [stderr]    Compiling auto-const-array v0.2.1
[INFO] [stderr]    Compiling monoio-macros v0.1.0
[INFO] [stderr]     Checking monoio v0.2.4
[INFO] [stderr]     Checking cancel-unsafe v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 14.42s
[INFO] running `Command { std: "docker" "inspect" "46b460f6504b6b9982517d4e9cd6ee85e83c3faa6625bf1192ccf3fba7d870e4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "46b460f6504b6b9982517d4e9cd6ee85e83c3faa6625bf1192ccf3fba7d870e4", kill_on_drop: false }`
[INFO] [stdout] 46b460f6504b6b9982517d4e9cd6ee85e83c3faa6625bf1192ccf3fba7d870e4