[INFO] cloning repository https://github.com/jonmartinstorm/rust-book-chp16
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jonmartinstorm/rust-book-chp16" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjonmartinstorm%2Frust-book-chp16", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjonmartinstorm%2Frust-book-chp16'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3ae73d7e908b6ab6014ea740f3db2e811dd58292
[INFO] checking jonmartinstorm/rust-book-chp16 against try#39e1293fce4b650061e85dda88aa428f726a8444 for pr-88041
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjonmartinstorm%2Frust-book-chp16" "/workspace/builds/worker-10/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-10/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jonmartinstorm/rust-book-chp16 on toolchain 39e1293fce4b650061e85dda88aa428f726a8444
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+39e1293fce4b650061e85dda88aa428f726a8444" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/jonmartinstorm/rust-book-chp16
[INFO] finished tweaking git repo https://github.com/jonmartinstorm/rust-book-chp16
[INFO] tweaked toml for git repo https://github.com/jonmartinstorm/rust-book-chp16 written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] crate git repo https://github.com/jonmartinstorm/rust-book-chp16 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+39e1293fce4b650061e85dda88aa428f726a8444" "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-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+39e1293fce4b650061e85dda88aa428f726a8444" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ed247d507411a53116dfabedb4db92fbe2f1d006feb6b238585ee5c099a328ed
[INFO] running `Command { std: "docker" "start" "-a" "ed247d507411a53116dfabedb4db92fbe2f1d006feb6b238585ee5c099a328ed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ed247d507411a53116dfabedb4db92fbe2f1d006feb6b238585ee5c099a328ed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ed247d507411a53116dfabedb4db92fbe2f1d006feb6b238585ee5c099a328ed", kill_on_drop: false }`
[INFO] [stdout] ed247d507411a53116dfabedb4db92fbe2f1d006feb6b238585ee5c099a328ed
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+39e1293fce4b650061e85dda88aa428f726a8444" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e4b830157d79e6a9cb4b7975a6b7662ea70c70e50c2e2b54faf230895a74c6e8
[INFO] running `Command { std: "docker" "start" "-a" "e4b830157d79e6a9cb4b7975a6b7662ea70c70e50c2e2b54faf230895a74c6e8", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking threads v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.58s
[INFO] running `Command { std: "docker" "inspect" "e4b830157d79e6a9cb4b7975a6b7662ea70c70e50c2e2b54faf230895a74c6e8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e4b830157d79e6a9cb4b7975a6b7662ea70c70e50c2e2b54faf230895a74c6e8", kill_on_drop: false }`
[INFO] [stdout] e4b830157d79e6a9cb4b7975a6b7662ea70c70e50c2e2b54faf230895a74c6e8