[INFO] fetching crate drop-root 1.2.2...
[INFO] checking drop-root-1.2.2 against master#bbe853615821442ef11d6cd42a30a73432b38d89 for pr-154205
[INFO] extracting crate drop-root 1.2.2 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate drop-root 1.2.2
[INFO] finished tweaking crates.io crate drop-root 1.2.2
[INFO] tweaked toml for crates.io crate drop-root 1.2.2 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate drop-root 1.2.2 on toolchain bbe853615821442ef11d6cd42a30a73432b38d89
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+bbe853615821442ef11d6cd42a30a73432b38d89" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate drop-root 1.2.2 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" "+bbe853615821442ef11d6cd42a30a73432b38d89" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+bbe853615821442ef11d6cd42a30a73432b38d89" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c984b49c2a01cfd424492f26ed5dffd1d24f75762368428fdd300ed76464c47a
[INFO] running `Command { std: "docker" "start" "-a" "c984b49c2a01cfd424492f26ed5dffd1d24f75762368428fdd300ed76464c47a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c984b49c2a01cfd424492f26ed5dffd1d24f75762368428fdd300ed76464c47a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c984b49c2a01cfd424492f26ed5dffd1d24f75762368428fdd300ed76464c47a", kill_on_drop: false }`
[INFO] [stdout] c984b49c2a01cfd424492f26ed5dffd1d24f75762368428fdd300ed76464c47a
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+bbe853615821442ef11d6cd42a30a73432b38d89" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 05e060c33769699f32b4a783ad04fd1c2bb55240d1dc8a24b47c844b31aab658
[INFO] running `Command { std: "docker" "start" "-a" "05e060c33769699f32b4a783ad04fd1c2bb55240d1dc8a24b47c844b31aab658", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.174
[INFO] [stderr]     Checking log v0.4.27
[INFO] [stderr]     Checking drop-root v1.2.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.21s
[INFO] running `Command { std: "docker" "inspect" "05e060c33769699f32b4a783ad04fd1c2bb55240d1dc8a24b47c844b31aab658", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "05e060c33769699f32b4a783ad04fd1c2bb55240d1dc8a24b47c844b31aab658", kill_on_drop: false }`
[INFO] [stdout] 05e060c33769699f32b4a783ad04fd1c2bb55240d1dc8a24b47c844b31aab658