[INFO] fetching crate taffy 0.8.1...
[INFO] checking taffy-0.8.1 against master#dc8fe1f81c6cf13c0987944c525b2aa81625b5d0 for pr-133502-4
[INFO] extracting crate taffy 0.8.1 into /workspace/builds/worker-7-tc1/source
[INFO] validating manifest of crates.io crate taffy 0.8.1 on toolchain dc8fe1f81c6cf13c0987944c525b2aa81625b5d0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dc8fe1f81c6cf13c0987944c525b2aa81625b5d0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate taffy 0.8.1
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate taffy 0.8.1
[INFO] tweaked toml for crates.io crate taffy 0.8.1 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] crate crates.io crate taffy 0.8.1 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" "+dc8fe1f81c6cf13c0987944c525b2aa81625b5d0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded grid v0.16.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+dc8fe1f81c6cf13c0987944c525b2aa81625b5d0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 80309127fae37736e252821fc8f1f27dc4bb9af095ff3d7cd46c75efb5196ebc
[INFO] running `Command { std: "docker" "start" "-a" "80309127fae37736e252821fc8f1f27dc4bb9af095ff3d7cd46c75efb5196ebc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "80309127fae37736e252821fc8f1f27dc4bb9af095ff3d7cd46c75efb5196ebc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "80309127fae37736e252821fc8f1f27dc4bb9af095ff3d7cd46c75efb5196ebc", kill_on_drop: false }`
[INFO] [stdout] 80309127fae37736e252821fc8f1f27dc4bb9af095ff3d7cd46c75efb5196ebc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+dc8fe1f81c6cf13c0987944c525b2aa81625b5d0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 52508c72b6c6558351f3d516da4489854d001e951fff4cbdc308e90d6505ba8a
[INFO] running `Command { std: "docker" "start" "-a" "52508c72b6c6558351f3d516da4489854d001e951fff4cbdc308e90d6505ba8a", kill_on_drop: false }`
[INFO] [stderr]    Compiling slotmap v1.0.7
[INFO] [stderr]    Compiling serde v1.0.219
[INFO] [stderr]     Checking grid v0.16.1
[INFO] [stderr]     Checking memchr v2.7.4
[INFO] [stderr]     Checking taffy v0.8.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking serde_json v1.0.140
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.60s
[INFO] running `Command { std: "docker" "inspect" "52508c72b6c6558351f3d516da4489854d001e951fff4cbdc308e90d6505ba8a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "52508c72b6c6558351f3d516da4489854d001e951fff4cbdc308e90d6505ba8a", kill_on_drop: false }`
[INFO] [stdout] 52508c72b6c6558351f3d516da4489854d001e951fff4cbdc308e90d6505ba8a