[INFO] fetching crate async-io-bufpool 0.2.0...
[INFO] checking async-io-bufpool-0.2.0 against master#8c32e313cccf7df531e2d49ffb8227bb92304aee for pr-145608-1
[INFO] extracting crate async-io-bufpool 0.2.0 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate async-io-bufpool 0.2.0
[INFO] finished tweaking crates.io crate async-io-bufpool 0.2.0
[INFO] tweaked toml for crates.io crate async-io-bufpool 0.2.0 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate async-io-bufpool 0.2.0 on toolchain 8c32e313cccf7df531e2d49ffb8227bb92304aee
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate async-io-bufpool 0.2.0 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" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded pretty-readme v0.1.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a6a0fc36df4cd92d2c007554858dd2b4f126a8b04dfacc458e170cc538fa9778
[INFO] running `Command { std: "docker" "start" "-a" "a6a0fc36df4cd92d2c007554858dd2b4f126a8b04dfacc458e170cc538fa9778", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a6a0fc36df4cd92d2c007554858dd2b4f126a8b04dfacc458e170cc538fa9778", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a6a0fc36df4cd92d2c007554858dd2b4f126a8b04dfacc458e170cc538fa9778", kill_on_drop: false }`
[INFO] [stdout] a6a0fc36df4cd92d2c007554858dd2b4f126a8b04dfacc458e170cc538fa9778
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f85eca5342719609d1d590676df27a723763da7d3a3e148095041b61fdc8638c
[INFO] running `Command { std: "docker" "start" "-a" "f85eca5342719609d1d590676df27a723763da7d3a3e148095041b61fdc8638c", kill_on_drop: false }`
[INFO] [stderr]     Checking bytes v1.8.0
[INFO] [stderr]    Compiling syn v2.0.85
[INFO] [stderr]     Checking crossbeam-queue v0.3.11
[INFO] [stderr]    Compiling futures-macro v0.3.31
[INFO] [stderr]    Compiling pretty-readme v0.1.0
[INFO] [stderr]     Checking futures-util v0.3.31
[INFO] [stderr]     Checking async-io-bufpool v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 8.32s
[INFO] running `Command { std: "docker" "inspect" "f85eca5342719609d1d590676df27a723763da7d3a3e148095041b61fdc8638c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f85eca5342719609d1d590676df27a723763da7d3a3e148095041b61fdc8638c", kill_on_drop: false }`
[INFO] [stdout] f85eca5342719609d1d590676df27a723763da7d3a3e148095041b61fdc8638c