[INFO] fetching crate async-io 1.6.0...
[INFO] checking async-io-1.6.0 against master#936f2600b6c903b04387f74ed5cbce88bb06d243 for pr-91141
[INFO] extracting crate async-io 1.6.0 into /workspace/builds/worker-99/source
[INFO] validating manifest of crates.io crate async-io 1.6.0 on toolchain 936f2600b6c903b04387f74ed5cbce88bb06d243
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate async-io 1.6.0
[INFO] finished tweaking crates.io crate async-io 1.6.0
[INFO] tweaked toml for crates.io crate async-io 1.6.0 written to /workspace/builds/worker-99/source/Cargo.toml
[INFO] crate crates.io crate async-io 1.6.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "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 inotify v0.9.3
[INFO] [stderr]   Downloaded timerfd v1.2.0
[INFO] [stderr]   Downloaded async-net v1.6.0
[INFO] [stderr]   Downloaded uds_windows v1.0.1
[INFO] [stderr]   Downloaded nix v0.21.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-99/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-99/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1d385c4c9788246be8ffa257b586d3746f2575e901af2bb594ad81a4b8f3656a
[INFO] running `Command { std: "docker" "start" "-a" "1d385c4c9788246be8ffa257b586d3746f2575e901af2bb594ad81a4b8f3656a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1d385c4c9788246be8ffa257b586d3746f2575e901af2bb594ad81a4b8f3656a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1d385c4c9788246be8ffa257b586d3746f2575e901af2bb594ad81a4b8f3656a", kill_on_drop: false }`
[INFO] [stdout] 1d385c4c9788246be8ffa257b586d3746f2575e901af2bb594ad81a4b8f3656a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-99/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-99/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 54989bd5e4400a0a2eb7563994184b29e86d1006d733a0bb52b29b1d0d634297
[INFO] running `Command { std: "docker" "start" "-a" "54989bd5e4400a0a2eb7563994184b29e86d1006d733a0bb52b29b1d0d634297", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.97
[INFO] [stderr]    Compiling futures-core v0.3.15
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]     Checking fastrand v1.4.1
[INFO] [stderr]     Checking futures-io v0.3.15
[INFO] [stderr]     Checking pin-project-lite v0.2.6
[INFO] [stderr]     Checking slab v0.4.3
[INFO] [stderr]    Compiling signal-hook v0.3.9
[INFO] [stderr]     Checking log v0.4.14
[INFO] [stderr]     Checking async-channel v1.6.1
[INFO] [stderr]     Checking futures-lite v1.12.0
[INFO] [stderr]     Checking blocking v1.0.2
[INFO] [stderr]     Checking getrandom v0.2.3
[INFO] [stderr]     Checking socket2 v0.4.0
[INFO] [stderr]     Checking polling v2.1.0
[INFO] [stderr]     Checking signal-hook-registry v1.4.0
[INFO] [stderr]     Checking inotify-sys v0.1.5
[INFO] [stderr]     Checking nix v0.21.0
[INFO] [stderr]     Checking timerfd v1.2.0
[INFO] [stderr]     Checking inotify v0.9.3
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking async-io v1.4.1
[INFO] [stderr]     Checking async-io v1.6.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.4
[INFO] [stderr]     Checking async-net v1.6.0
[INFO] [stderr]     Checking tempfile v3.2.0
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 15.30s
[INFO] running `Command { std: "docker" "inspect" "54989bd5e4400a0a2eb7563994184b29e86d1006d733a0bb52b29b1d0d634297", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "54989bd5e4400a0a2eb7563994184b29e86d1006d733a0bb52b29b1d0d634297", kill_on_drop: false }`
[INFO] [stdout] 54989bd5e4400a0a2eb7563994184b29e86d1006d733a0bb52b29b1d0d634297