[INFO] fetching crate io-uring 0.5.0-alpha... [INFO] checking io-uring-0.5.0-alpha against master#a609fb45efad59dfd459c76e50899be9f0583b5a for pr-80579 [INFO] extracting crate io-uring 0.5.0-alpha into /workspace/builds/worker-7/source [INFO] validating manifest of crates.io crate io-uring 0.5.0-alpha on toolchain a609fb45efad59dfd459c76e50899be9f0583b5a [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking crates.io crate io-uring 0.5.0-alpha [INFO] finished tweaking crates.io crate io-uring 0.5.0-alpha [INFO] tweaked toml for crates.io crate io-uring 0.5.0-alpha written to /workspace/builds/worker-7/source/Cargo.toml [INFO] crate crates.io crate io-uring 0.5.0-alpha already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "fetch" "--locked" "--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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] ad2f0f2dd45792c1de8edd2426b799135f17d5d52fe9db92dd463c33b950d49c [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" "ad2f0f2dd45792c1de8edd2426b799135f17d5d52fe9db92dd463c33b950d49c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "ad2f0f2dd45792c1de8edd2426b799135f17d5d52fe9db92dd463c33b950d49c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ad2f0f2dd45792c1de8edd2426b799135f17d5d52fe9db92dd463c33b950d49c", kill_on_drop: false }` [INFO] [stdout] ad2f0f2dd45792c1de8edd2426b799135f17d5d52fe9db92dd463c33b950d49c [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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] e6d9cdd23979fb536e8e2a985e3d97503b35c8a1e12a6571e60ebf324f05f5f3 [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" "e6d9cdd23979fb536e8e2a985e3d97503b35c8a1e12a6571e60ebf324f05f5f3", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.81 [INFO] [stderr] Checking cfg-if v1.0.0 [INFO] [stderr] Compiling ryu v1.0.5 [INFO] [stderr] Compiling getrandom v0.1.15 [INFO] [stderr] Compiling proc-macro2 v1.0.24 [INFO] [stderr] Compiling bitflags v1.2.1 [INFO] [stderr] Checking scopeguard v1.1.0 [INFO] [stderr] Compiling unicode-xid v0.2.1 [INFO] [stderr] Compiling syn v1.0.54 [INFO] [stderr] Compiling serde_json v1.0.60 [INFO] [stderr] Compiling serde_derive v1.0.118 [INFO] [stderr] Checking ppv-lite86 v0.2.10 [INFO] [stderr] Compiling io-uring v0.5.0-alpha (/opt/rustwide/workdir) [INFO] [stderr] Compiling nix v0.18.0 [INFO] [stderr] Compiling anyhow v1.0.35 [INFO] [stderr] Checking remove_dir_all v0.5.3 [INFO] [stderr] Checking slab v0.4.2 [INFO] [stderr] Compiling crossbeam-utils v0.8.1 [INFO] [stderr] Compiling memoffset v0.6.1 [INFO] [stderr] Compiling num-traits v0.2.14 [INFO] [stderr] Compiling rayon v1.5.0 [INFO] [stderr] Checking bstr v0.2.14 [INFO] [stderr] Checking criterion-plot v0.4.3 [INFO] [stderr] Checking clap v2.33.3 [INFO] [stderr] Checking crossbeam-epoch v0.9.1 [INFO] [stderr] Checking crossbeam-channel v0.5.0 [INFO] [stderr] Checking csv v1.1.5 [INFO] [stderr] Checking crossbeam-deque v0.8.0 [INFO] [stderr] Compiling quote v1.0.7 [INFO] [stderr] Checking plotters v0.2.15 [INFO] [stderr] Checking num_cpus v1.13.0 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking socket2 v0.3.17 [INFO] [stderr] Checking tinytemplate v1.1.0 [INFO] [stderr] Checking rayon-core v1.9.0 [INFO] [stderr] Checking rand_core v0.5.1 [INFO] [stderr] Checking rand_chacha v0.2.2 [INFO] [stderr] Checking rand v0.7.3 [INFO] [stderr] Checking tempfile v3.1.0 [INFO] [stderr] Checking criterion v0.3.3 [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 43.36s [INFO] running `Command { std: "docker" "inspect" "e6d9cdd23979fb536e8e2a985e3d97503b35c8a1e12a6571e60ebf324f05f5f3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e6d9cdd23979fb536e8e2a985e3d97503b35c8a1e12a6571e60ebf324f05f5f3", kill_on_drop: false }` [INFO] [stdout] e6d9cdd23979fb536e8e2a985e3d97503b35c8a1e12a6571e60ebf324f05f5f3