[INFO] fetching crate sample_crate 0.1.0...
[INFO] checking sample_crate-0.1.0 against master#377656d3dd3f9c23a9c8713e163f4365a5261a84 for pr-146470-4
[INFO] extracting crate sample_crate 0.1.0 into /workspace/builds/worker-1-tc1/source
[INFO] started tweaking crates.io crate sample_crate 0.1.0
[INFO] finished tweaking crates.io crate sample_crate 0.1.0
[INFO] tweaked toml for crates.io crate sample_crate 0.1.0 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate sample_crate 0.1.0 on toolchain 377656d3dd3f9c23a9c8713e163f4365a5261a84
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+377656d3dd3f9c23a9c8713e163f4365a5261a84" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate sample_crate 0.1.0 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" "+377656d3dd3f9c23a9c8713e163f4365a5261a84" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+377656d3dd3f9c23a9c8713e163f4365a5261a84" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6c29128738dbcf6c71499f3487595060da26944747074e70bee89d7a54b9c460
[INFO] running `Command { std: "docker" "start" "-a" "6c29128738dbcf6c71499f3487595060da26944747074e70bee89d7a54b9c460", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6c29128738dbcf6c71499f3487595060da26944747074e70bee89d7a54b9c460", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6c29128738dbcf6c71499f3487595060da26944747074e70bee89d7a54b9c460", kill_on_drop: false }`
[INFO] [stdout] 6c29128738dbcf6c71499f3487595060da26944747074e70bee89d7a54b9c460
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+377656d3dd3f9c23a9c8713e163f4365a5261a84" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8d68eef92ed274a8482b3545b2141b835f4f7d68436271998cee98c3bff62157
[INFO] running `Command { std: "docker" "start" "-a" "8d68eef92ed274a8482b3545b2141b835f4f7d68436271998cee98c3bff62157", kill_on_drop: false }`
[INFO] [stderr]     Checking sample_crate v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.19s
[INFO] running `Command { std: "docker" "inspect" "8d68eef92ed274a8482b3545b2141b835f4f7d68436271998cee98c3bff62157", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8d68eef92ed274a8482b3545b2141b835f4f7d68436271998cee98c3bff62157", kill_on_drop: false }`
[INFO] [stdout] 8d68eef92ed274a8482b3545b2141b835f4f7d68436271998cee98c3bff62157