[INFO] cloning repository https://github.com/johnfanara/rust_book_loops
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/johnfanara/rust_book_loops" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjohnfanara%2Frust_book_loops", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjohnfanara%2Frust_book_loops'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a75770417d55a46b8593a01487be62994e067236
[INFO] checking johnfanara/rust_book_loops against try#7424ce9ff9baac3e9d9f5dd3c85828cddea0134d for pr-136776-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjohnfanara%2Frust_book_loops" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/johnfanara/rust_book_loops
[INFO] finished tweaking git repo https://github.com/johnfanara/rust_book_loops
[INFO] tweaked toml for git repo https://github.com/johnfanara/rust_book_loops written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/johnfanara/rust_book_loops on toolchain 7424ce9ff9baac3e9d9f5dd3c85828cddea0134d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+7424ce9ff9baac3e9d9f5dd3c85828cddea0134d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/johnfanara/rust_book_loops 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" "+7424ce9ff9baac3e9d9f5dd3c85828cddea0134d" "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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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@sha256:94a0c148923f5b2b52a63ef0eeb1882ad339ab61bce784c8077cbe41c61feb6c" "/opt/rustwide/cargo-home/bin/cargo" "+7424ce9ff9baac3e9d9f5dd3c85828cddea0134d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e418710fac3d15389b3c25123e010868256d88f86d5810b2285ba0760081051b
[INFO] running `Command { std: "docker" "start" "-a" "e418710fac3d15389b3c25123e010868256d88f86d5810b2285ba0760081051b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e418710fac3d15389b3c25123e010868256d88f86d5810b2285ba0760081051b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e418710fac3d15389b3c25123e010868256d88f86d5810b2285ba0760081051b", kill_on_drop: false }`
[INFO] [stdout] e418710fac3d15389b3c25123e010868256d88f86d5810b2285ba0760081051b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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@sha256:94a0c148923f5b2b52a63ef0eeb1882ad339ab61bce784c8077cbe41c61feb6c" "/opt/rustwide/cargo-home/bin/cargo" "+7424ce9ff9baac3e9d9f5dd3c85828cddea0134d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 126bd0223a761732d9eb16ea54ec3f59a16c86b7f8238354f72e9bd5aec49521
[INFO] running `Command { std: "docker" "start" "-a" "126bd0223a761732d9eb16ea54ec3f59a16c86b7f8238354f72e9bd5aec49521", kill_on_drop: false }`
[INFO] [stderr]     Checking loops v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.04s
[INFO] running `Command { std: "docker" "inspect" "126bd0223a761732d9eb16ea54ec3f59a16c86b7f8238354f72e9bd5aec49521", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "126bd0223a761732d9eb16ea54ec3f59a16c86b7f8238354f72e9bd5aec49521", kill_on_drop: false }`
[INFO] [stdout] 126bd0223a761732d9eb16ea54ec3f59a16c86b7f8238354f72e9bd5aec49521