[INFO] fetching crate double-checked-cell-async 2.0.2...
[INFO] checking double-checked-cell-async-2.0.2 against master#ab869e094a907cc5d19b4080f22eccaf347f1f95 for pr-129604
[INFO] extracting crate double-checked-cell-async 2.0.2 into /workspace/builds/worker-2-tc1/source
[INFO] validating manifest of crates.io crate double-checked-cell-async 2.0.2 on toolchain ab869e094a907cc5d19b4080f22eccaf347f1f95
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate double-checked-cell-async 2.0.2
[INFO] finished tweaking crates.io crate double-checked-cell-async 2.0.2
[INFO] tweaked toml for crates.io crate double-checked-cell-async 2.0.2 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 26 packages to latest compatible versions
[INFO] [stderr]       Adding bytes v0.5.6 (latest: v1.7.1)
[INFO] [stderr]       Adding pin-project-lite v0.1.12 (latest: v0.2.14)
[INFO] [stderr]       Adding syn v1.0.109 (latest: v2.0.77)
[INFO] [stderr]       Adding tokio v0.2.25 (latest: v1.40.0)
[INFO] [stderr]       Adding tokio-macros v0.2.6 (latest: v2.4.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded tokio-macros v0.2.6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1457723aee8fb6a59a13f1e8b4cf1a2335e4c72efee3c979525da67309836f3e
[INFO] running `Command { std: "docker" "start" "-a" "1457723aee8fb6a59a13f1e8b4cf1a2335e4c72efee3c979525da67309836f3e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1457723aee8fb6a59a13f1e8b4cf1a2335e4c72efee3c979525da67309836f3e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1457723aee8fb6a59a13f1e8b4cf1a2335e4c72efee3c979525da67309836f3e", kill_on_drop: false }`
[INFO] [stdout] 1457723aee8fb6a59a13f1e8b4cf1a2335e4c72efee3c979525da67309836f3e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 00260d9175dd9e6c510e2b9e83a419cea102705f1c33a7b665b3459e79d42110
[INFO] running `Command { std: "docker" "start" "-a" "00260d9175dd9e6c510e2b9e83a419cea102705f1c33a7b665b3459e79d42110", kill_on_drop: false }`
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]    Compiling syn v2.0.77
[INFO] [stderr]    Compiling tokio-macros v0.2.6
[INFO] [stderr]     Checking unreachable v1.0.0
[INFO] [stderr]     Checking tokio v0.2.25
[INFO] [stderr]    Compiling futures-macro v0.3.30
[INFO] [stderr]     Checking futures-util v0.3.30
[INFO] [stderr]     Checking futures-executor v0.3.30
[INFO] [stderr]     Checking double-checked-cell-async v2.0.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking futures v0.3.30
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 9.85s
[INFO] running `Command { std: "docker" "inspect" "00260d9175dd9e6c510e2b9e83a419cea102705f1c33a7b665b3459e79d42110", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "00260d9175dd9e6c510e2b9e83a419cea102705f1c33a7b665b3459e79d42110", kill_on_drop: false }`
[INFO] [stdout] 00260d9175dd9e6c510e2b9e83a419cea102705f1c33a7b665b3459e79d42110