[INFO] cloning repository https://github.com/Sixstring982/flashcards
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Sixstring982/flashcards" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSixstring982%2Fflashcards", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSixstring982%2Fflashcards'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8351fcdd4ed180d76338e495720cd6dbce314780
[INFO] checking Sixstring982/flashcards against master#c5fbcd35a8217a17f6b63a22217ace06cf8f5f02 for pr-86194
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSixstring982%2Fflashcards" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Sixstring982/flashcards on toolchain c5fbcd35a8217a17f6b63a22217ace06cf8f5f02
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c5fbcd35a8217a17f6b63a22217ace06cf8f5f02" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Sixstring982/flashcards
[INFO] finished tweaking git repo https://github.com/Sixstring982/flashcards
[INFO] tweaked toml for git repo https://github.com/Sixstring982/flashcards written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/Sixstring982/flashcards already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c5fbcd35a8217a17f6b63a22217ace06cf8f5f02" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+c5fbcd35a8217a17f6b63a22217ace06cf8f5f02" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0c5ded74c7f13e1773f26c8be05c0296103add01037fbd7887b3a71b1c4bd6f0
[INFO] running `Command { std: "docker" "start" "-a" "0c5ded74c7f13e1773f26c8be05c0296103add01037fbd7887b3a71b1c4bd6f0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0c5ded74c7f13e1773f26c8be05c0296103add01037fbd7887b3a71b1c4bd6f0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0c5ded74c7f13e1773f26c8be05c0296103add01037fbd7887b3a71b1c4bd6f0", kill_on_drop: false }`
[INFO] [stdout] 0c5ded74c7f13e1773f26c8be05c0296103add01037fbd7887b3a71b1c4bd6f0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+c5fbcd35a8217a17f6b63a22217ace06cf8f5f02" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] dc5ef200ed915f8f683d661edcf0af79372c87b7644504e342cd5d7989cd6cd3
[INFO] running `Command { std: "docker" "start" "-a" "dc5ef200ed915f8f683d661edcf0af79372c87b7644504e342cd5d7989cd6cd3", kill_on_drop: false }`
[INFO] [stderr]     Checking libc v0.2.8
[INFO] [stderr]     Checking rand v0.3.14
[INFO] [stderr]     Checking flashcards v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.60s
[INFO] running `Command { std: "docker" "inspect" "dc5ef200ed915f8f683d661edcf0af79372c87b7644504e342cd5d7989cd6cd3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dc5ef200ed915f8f683d661edcf0af79372c87b7644504e342cd5d7989cd6cd3", kill_on_drop: false }`
[INFO] [stdout] dc5ef200ed915f8f683d661edcf0af79372c87b7644504e342cd5d7989cd6cd3