[INFO] fetching crate async-io 1.3.1...
[INFO] checking async-io-1.3.1 against try#81275a1445c7502a974118e0c69b795ab60be991 for pr-80243
[INFO] extracting crate async-io 1.3.1 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate async-io 1.3.1 on toolchain 81275a1445c7502a974118e0c69b795ab60be991
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+81275a1445c7502a974118e0c69b795ab60be991" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate async-io 1.3.1
[INFO] finished tweaking crates.io crate async-io 1.3.1
[INFO] tweaked toml for crates.io crate async-io 1.3.1 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate crates.io crate async-io 1.3.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+81275a1445c7502a974118e0c69b795ab60be991" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded uds_windows v0.1.5
[INFO] [stderr]   Downloaded polling v2.0.0
[INFO] [stderr]   Downloaded async-net v1.4.6
[INFO] [stderr]   Downloaded futures-lite v1.11.0
[INFO] [stderr]   Downloaded async-io v1.1.7
[INFO] [stderr]   Downloaded timerfd v1.1.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+81275a1445c7502a974118e0c69b795ab60be991" "metadata" "--no-deps" "--format-version=1", 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] becd979e4737830d5f2524bac113ab3756bfce0c5a5cd780bc6796f82c528fca
[INFO] running `Command { std: "docker" "start" "-a" "becd979e4737830d5f2524bac113ab3756bfce0c5a5cd780bc6796f82c528fca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "becd979e4737830d5f2524bac113ab3756bfce0c5a5cd780bc6796f82c528fca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "becd979e4737830d5f2524bac113ab3756bfce0c5a5cd780bc6796f82c528fca", kill_on_drop: false }`
[INFO] [stdout] becd979e4737830d5f2524bac113ab3756bfce0c5a5cd780bc6796f82c528fca
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+81275a1445c7502a974118e0c69b795ab60be991" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 267aef4d5f2806fd1a74557a13b993dbeca68e6b4bfc6a1ee2ba0f0cbec5b7e5
[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" "267aef4d5f2806fd1a74557a13b993dbeca68e6b4bfc6a1ee2ba0f0cbec5b7e5", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.78
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]     Checking futures-core v0.3.5
[INFO] [stderr]    Compiling getrandom v0.1.15
[INFO] [stderr]     Checking futures-io v0.3.5
[INFO] [stderr]     Checking fastrand v1.3.5
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking once_cell v1.4.1
[INFO] [stderr]    Compiling nix v0.18.0
[INFO] [stderr]     Checking async-channel v1.4.2
[INFO] [stderr]     Checking futures-lite v1.11.0
[INFO] [stderr]     Checking blocking v1.0.0
[INFO] [stderr]     Checking nb-connect v1.0.1
[INFO] [stderr]     Checking polling v2.0.0
[INFO] [stderr]     Checking signal-hook-registry v1.2.1
[INFO] [stderr]     Checking inotify-sys v0.1.3
[INFO] [stderr]     Checking timerfd v1.1.1
[INFO] [stderr]     Checking inotify v0.8.3
[INFO] [stderr]     Checking signal-hook v0.1.16
[INFO] [stderr]     Checking async-io v1.1.7
[INFO] [stderr]     Checking async-io v1.3.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking async-net v1.4.6
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking tempfile v3.1.0
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 19.17s
[INFO] running `Command { std: "docker" "inspect" "267aef4d5f2806fd1a74557a13b993dbeca68e6b4bfc6a1ee2ba0f0cbec5b7e5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "267aef4d5f2806fd1a74557a13b993dbeca68e6b4bfc6a1ee2ba0f0cbec5b7e5", kill_on_drop: false }`
[INFO] [stdout] 267aef4d5f2806fd1a74557a13b993dbeca68e6b4bfc6a1ee2ba0f0cbec5b7e5