[INFO] cloning repository https://github.com/UF-ACE/rust-mentor-activity
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/UF-ACE/rust-mentor-activity" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FUF-ACE%2Frust-mentor-activity", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FUF-ACE%2Frust-mentor-activity'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c48d7598a7e8e2fe7a068e445ee62328a20867ad
[INFO] checking UF-ACE/rust-mentor-activity against master#90442458ac46b1d5eed752c316da25450f67285b for pr-81477
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FUF-ACE%2Frust-mentor-activity" "/workspace/builds/worker-9/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/UF-ACE/rust-mentor-activity on toolchain 90442458ac46b1d5eed752c316da25450f67285b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/UF-ACE/rust-mentor-activity
[INFO] finished tweaking git repo https://github.com/UF-ACE/rust-mentor-activity
[INFO] tweaked toml for git repo https://github.com/UF-ACE/rust-mentor-activity written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate git repo https://github.com/UF-ACE/rust-mentor-activity already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "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-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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:ea7d7bff36b2ba8ce4de8bba1d2dea90376bc481f1a945a913994a8c492e40c1" "/opt/rustwide/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 394fed79d628dd5f116d915c18cf62e7b03f47200020db32176dc45e79577592
[INFO] running `Command { std: "docker" "start" "-a" "394fed79d628dd5f116d915c18cf62e7b03f47200020db32176dc45e79577592", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "394fed79d628dd5f116d915c18cf62e7b03f47200020db32176dc45e79577592", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "394fed79d628dd5f116d915c18cf62e7b03f47200020db32176dc45e79577592", kill_on_drop: false }`
[INFO] [stdout] 394fed79d628dd5f116d915c18cf62e7b03f47200020db32176dc45e79577592
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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:ea7d7bff36b2ba8ce4de8bba1d2dea90376bc481f1a945a913994a8c492e40c1" "/opt/rustwide/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b0a96aeb2dd8c8747b5015cc4265f9773cef1b6490205d11e28a841b2a833974
[INFO] running `Command { std: "docker" "start" "-a" "b0a96aeb2dd8c8747b5015cc4265f9773cef1b6490205d11e28a841b2a833974", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking strsim v0.7.0
[INFO] [stderr]     Checking textwrap v0.10.0
[INFO] [stderr]     Checking clap v2.32.0
[INFO] [stderr]     Checking rust-mentor-activity v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.60s
[INFO] running `Command { std: "docker" "inspect" "b0a96aeb2dd8c8747b5015cc4265f9773cef1b6490205d11e28a841b2a833974", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b0a96aeb2dd8c8747b5015cc4265f9773cef1b6490205d11e28a841b2a833974", kill_on_drop: false }`
[INFO] [stdout] b0a96aeb2dd8c8747b5015cc4265f9773cef1b6490205d11e28a841b2a833974