[INFO] fetching crate async-unsync 0.3.0...
[INFO] checking async-unsync-0.3.0 against master#506512391b1a75ae450d36c9420978402a91abcc for pr-125384
[INFO] extracting crate async-unsync 0.3.0 into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate async-unsync 0.3.0 on toolchain 506512391b1a75ae450d36c9420978402a91abcc
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+506512391b1a75ae450d36c9420978402a91abcc" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate async-unsync 0.3.0
[INFO] finished tweaking crates.io crate async-unsync 0.3.0
[INFO] tweaked toml for crates.io crate async-unsync 0.3.0 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+506512391b1a75ae450d36c9420978402a91abcc" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 21 packages to latest compatible versions
[INFO] [stderr]       Adding addr2line v0.21.0 (latest: v0.23.0)
[INFO] [stderr]       Adding gimli v0.28.1 (latest: v0.30.0)
[INFO] [stderr]       Adding object v0.32.2 (latest: v0.36.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+506512391b1a75ae450d36c9420978402a91abcc" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+506512391b1a75ae450d36c9420978402a91abcc" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 22ece5391b94291ce794d2a9fc6c999beb683d4fd4932db7528c1939587e7bf4
[INFO] running `Command { std: "docker" "start" "-a" "22ece5391b94291ce794d2a9fc6c999beb683d4fd4932db7528c1939587e7bf4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "22ece5391b94291ce794d2a9fc6c999beb683d4fd4932db7528c1939587e7bf4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "22ece5391b94291ce794d2a9fc6c999beb683d4fd4932db7528c1939587e7bf4", kill_on_drop: false }`
[INFO] [stdout] 22ece5391b94291ce794d2a9fc6c999beb683d4fd4932db7528c1939587e7bf4
[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=allow" "-e" "RUSTDOCFLAGS=--cap-lints=allow" "-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@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+506512391b1a75ae450d36c9420978402a91abcc" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8f9164e4b6e538d4e98e2b829d8bd4d7521e49d84865dbf5b014cd8cc6dbf1fa
[INFO] running `Command { std: "docker" "start" "-a" "8f9164e4b6e538d4e98e2b829d8bd4d7521e49d84865dbf5b014cd8cc6dbf1fa", kill_on_drop: false }`
[INFO] [stderr]     Checking futures-core v0.3.30
[INFO] [stderr]     Checking fastrand v2.1.0
[INFO] [stderr]     Checking async-unsync v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking futures-lite v2.3.0
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.46s
[INFO] running `Command { std: "docker" "inspect" "8f9164e4b6e538d4e98e2b829d8bd4d7521e49d84865dbf5b014cd8cc6dbf1fa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8f9164e4b6e538d4e98e2b829d8bd4d7521e49d84865dbf5b014cd8cc6dbf1fa", kill_on_drop: false }`
[INFO] [stdout] 8f9164e4b6e538d4e98e2b829d8bd4d7521e49d84865dbf5b014cd8cc6dbf1fa