[INFO] cloning repository https://github.com/matklad/iwp
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/matklad/iwp" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmatklad%2Fiwp", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmatklad%2Fiwp'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3b12b861dd5e92f9aeefc28ee91b137dc0569673
[INFO] checking matklad/iwp against master#18bd2dd5cda08b09ace6e37c1a0312e9b2bb4beb for pr-96970
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmatklad%2Fiwp" "/workspace/builds/worker-91/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-91/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/matklad/iwp on toolchain 18bd2dd5cda08b09ace6e37c1a0312e9b2bb4beb
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+18bd2dd5cda08b09ace6e37c1a0312e9b2bb4beb" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/matklad/iwp
[INFO] finished tweaking git repo https://github.com/matklad/iwp
[INFO] tweaked toml for git repo https://github.com/matklad/iwp written to /workspace/builds/worker-91/source/Cargo.toml
[INFO] crate git repo https://github.com/matklad/iwp already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+18bd2dd5cda08b09ace6e37c1a0312e9b2bb4beb" "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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded tagger v1.0.1
[INFO] [stderr]   Downloaded poloto v1.8.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-91/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-91/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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+18bd2dd5cda08b09ace6e37c1a0312e9b2bb4beb" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c2adfc61cac4f9e6ecb338854633d4b6ebd9f40855f72457802bf5dab9e70a2d
[INFO] running `Command { std: "docker" "start" "-a" "c2adfc61cac4f9e6ecb338854633d4b6ebd9f40855f72457802bf5dab9e70a2d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c2adfc61cac4f9e6ecb338854633d4b6ebd9f40855f72457802bf5dab9e70a2d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c2adfc61cac4f9e6ecb338854633d4b6ebd9f40855f72457802bf5dab9e70a2d", kill_on_drop: false }`
[INFO] [stdout] c2adfc61cac4f9e6ecb338854633d4b6ebd9f40855f72457802bf5dab9e70a2d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-91/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-91/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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+18bd2dd5cda08b09ace6e37c1a0312e9b2bb4beb" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f438bdfbeb4e1559c976ba34ecb742adbb22ba8aaf0369af55a86e721c99d7a7
[INFO] running `Command { std: "docker" "start" "-a" "f438bdfbeb4e1559c976ba34ecb742adbb22ba8aaf0369af55a86e721c99d7a7", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking tagger v1.0.1
[INFO] [stderr]     Checking poloto v1.8.3
[INFO] [stderr]     Checking iwp v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 50.27s
[INFO] running `Command { std: "docker" "inspect" "f438bdfbeb4e1559c976ba34ecb742adbb22ba8aaf0369af55a86e721c99d7a7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f438bdfbeb4e1559c976ba34ecb742adbb22ba8aaf0369af55a86e721c99d7a7", kill_on_drop: false }`
[INFO] [stdout] f438bdfbeb4e1559c976ba34ecb742adbb22ba8aaf0369af55a86e721c99d7a7