[INFO] fetching crate macro_helper 0.1.6...
[INFO] checking macro_helper-0.1.6 against master#936f2600b6c903b04387f74ed5cbce88bb06d243 for pr-91141
[INFO] extracting crate macro_helper 0.1.6 into /workspace/builds/worker-25/source
[INFO] validating manifest of crates.io crate macro_helper 0.1.6 on toolchain 936f2600b6c903b04387f74ed5cbce88bb06d243
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate macro_helper 0.1.6
[INFO] finished tweaking crates.io crate macro_helper 0.1.6
[INFO] tweaked toml for crates.io crate macro_helper 0.1.6 written to /workspace/builds/worker-25/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-25/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-25/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e1704baf941d75d8951ad1f5979de20c11eadc3c333fd3baef6635140ea7f40f
[INFO] running `Command { std: "docker" "start" "-a" "e1704baf941d75d8951ad1f5979de20c11eadc3c333fd3baef6635140ea7f40f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e1704baf941d75d8951ad1f5979de20c11eadc3c333fd3baef6635140ea7f40f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e1704baf941d75d8951ad1f5979de20c11eadc3c333fd3baef6635140ea7f40f", kill_on_drop: false }`
[INFO] [stdout] e1704baf941d75d8951ad1f5979de20c11eadc3c333fd3baef6635140ea7f40f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-25/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-25/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3a43654285a82d7ad9bb15fc6e17b0ccc59d12902d348e8c41da52ad63da2a1d
[INFO] running `Command { std: "docker" "start" "-a" "3a43654285a82d7ad9bb15fc6e17b0ccc59d12902d348e8c41da52ad63da2a1d", kill_on_drop: false }`
[INFO] [stderr]     Checking macro_helper v0.1.6 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.35s
[INFO] running `Command { std: "docker" "inspect" "3a43654285a82d7ad9bb15fc6e17b0ccc59d12902d348e8c41da52ad63da2a1d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3a43654285a82d7ad9bb15fc6e17b0ccc59d12902d348e8c41da52ad63da2a1d", kill_on_drop: false }`
[INFO] [stdout] 3a43654285a82d7ad9bb15fc6e17b0ccc59d12902d348e8c41da52ad63da2a1d