[INFO] fetching crate async-task 4.4.0...
[INFO] checking async-task-4.4.0 against master#e6e4f7ed1589e03bc2f6c5931c1a72e7947e8682 for beta-170-4
[INFO] extracting crate async-task 4.4.0 into /workspace/builds/worker-2-tc2/source
[INFO] validating manifest of crates.io crate async-task 4.4.0 on toolchain e6e4f7ed1589e03bc2f6c5931c1a72e7947e8682
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+e6e4f7ed1589e03bc2f6c5931c1a72e7947e8682" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate async-task 4.4.0
[INFO] finished tweaking crates.io crate async-task 4.4.0
[INFO] tweaked toml for crates.io crate async-task 4.4.0 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] crate crates.io crate async-task 4.4.0 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" "+e6e4f7ed1589e03bc2f6c5931c1a72e7947e8682" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:19e73879b68f455e41552ea35293514db52ea292d993f571636dbffedb77a1ee" "/opt/rustwide/cargo-home/bin/cargo" "+e6e4f7ed1589e03bc2f6c5931c1a72e7947e8682" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b052537bf858b17c44ba031a63364a2f99442005cd5de710c11b1905471a7eae
[INFO] running `Command { std: "docker" "start" "-a" "b052537bf858b17c44ba031a63364a2f99442005cd5de710c11b1905471a7eae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b052537bf858b17c44ba031a63364a2f99442005cd5de710c11b1905471a7eae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b052537bf858b17c44ba031a63364a2f99442005cd5de710c11b1905471a7eae", kill_on_drop: false }`
[INFO] [stdout] b052537bf858b17c44ba031a63364a2f99442005cd5de710c11b1905471a7eae
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:19e73879b68f455e41552ea35293514db52ea292d993f571636dbffedb77a1ee" "/opt/rustwide/cargo-home/bin/cargo" "+e6e4f7ed1589e03bc2f6c5931c1a72e7947e8682" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8b593048d2341a9300f0c1b5c19aba6b1a202ad339851f0fa6e29ea328bfe19a
[INFO] running `Command { std: "docker" "start" "-a" "8b593048d2341a9300f0c1b5c19aba6b1a202ad339851f0fa6e29ea328bfe19a", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.140
[INFO] [stderr]    Compiling crossbeam-utils v0.8.15
[INFO] [stderr]    Compiling futures-core v0.3.27
[INFO] [stderr]     Checking event-listener v2.5.3
[INFO] [stderr]     Checking waker-fn v1.1.0
[INFO] [stderr]     Checking parking v2.0.0
[INFO] [stderr]     Checking futures-io v0.3.27
[INFO] [stderr]    Compiling slab v0.4.8
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling io-lifetimes v1.0.9
[INFO] [stderr]    Compiling polling v2.6.0
[INFO] [stderr]     Checking async-lock v2.7.0
[INFO] [stderr]    Compiling rustix v0.37.3
[INFO] [stderr]     Checking futures-lite v1.12.0
[INFO] [stderr]    Compiling async-io v1.13.0
[INFO] [stderr]     Checking async-task v4.3.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.53
[INFO] [stderr]     Checking linux-raw-sys v0.3.0
[INFO] [stderr]     Checking concurrent-queue v2.1.0
[INFO] [stderr]    Compiling lock_api v0.4.9
[INFO] [stderr]     Checking async-channel v1.8.0
[INFO] [stderr]    Compiling unicode-ident v1.0.8
[INFO] [stderr]    Compiling quote v1.0.26
[INFO] [stderr]    Compiling signal-hook v0.3.15
[INFO] [stderr]     Checking atomic-waker v1.1.0
[INFO] [stderr]    Compiling async-process v1.6.0
[INFO] [stderr]    Compiling async-net v1.7.0
[INFO] [stderr]    Compiling async-fs v1.6.0
[INFO] [stderr]     Checking blocking v1.3.0
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking async-executor v1.5.0
[INFO] [stderr]     Checking easy-parallel v3.2.0
[INFO] [stderr]     Checking spin v0.9.6
[INFO] [stderr]     Checking once_cell v1.17.1
[INFO] [stderr]     Checking async-task v4.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking flume v0.10.14
[INFO] [stderr]     Checking socket2 v0.4.9
[INFO] [stderr]     Checking signal-hook-registry v1.4.1
[INFO] [stderr]     Checking smol v1.3.0
[INFO] [stderr]    Compiling flaky_test v0.1.0
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.88s
[INFO] running `Command { std: "docker" "inspect" "8b593048d2341a9300f0c1b5c19aba6b1a202ad339851f0fa6e29ea328bfe19a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8b593048d2341a9300f0c1b5c19aba6b1a202ad339851f0fa6e29ea328bfe19a", kill_on_drop: false }`
[INFO] [stdout] 8b593048d2341a9300f0c1b5c19aba6b1a202ad339851f0fa6e29ea328bfe19a
