[INFO] cloning repository https://github.com/bkputnam/rust-number-printer
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/bkputnam/rust-number-printer" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbkputnam%2Frust-number-printer", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbkputnam%2Frust-number-printer'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8299b5f03943d08468a0e5c8f0dc2f07d90d5343
[INFO] checking bkputnam/rust-number-printer against master#c724b67e1b474262917a5154d74e7072267593fe for pr-74315
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbkputnam%2Frust-number-printer" "/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/bkputnam/rust-number-printer on toolchain c724b67e1b474262917a5154d74e7072267593fe
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c724b67e1b474262917a5154d74e7072267593fe" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/bkputnam/rust-number-printer
[INFO] finished tweaking git repo https://github.com/bkputnam/rust-number-printer
[INFO] tweaked toml for git repo https://github.com/bkputnam/rust-number-printer written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate git repo https://github.com/bkputnam/rust-number-printer already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c724b67e1b474262917a5154d74e7072267593fe" "fetch" "--locked" "--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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+c724b67e1b474262917a5154d74e7072267593fe" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 21ebc9a8a6c5836125b4a7850cf79d2e2bb8aec6cbaf8b177206e52a96732abf
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "21ebc9a8a6c5836125b4a7850cf79d2e2bb8aec6cbaf8b177206e52a96732abf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "21ebc9a8a6c5836125b4a7850cf79d2e2bb8aec6cbaf8b177206e52a96732abf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "21ebc9a8a6c5836125b4a7850cf79d2e2bb8aec6cbaf8b177206e52a96732abf", kill_on_drop: false }`
[INFO] [stdout] 21ebc9a8a6c5836125b4a7850cf79d2e2bb8aec6cbaf8b177206e52a96732abf
[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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+c724b67e1b474262917a5154d74e7072267593fe" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 87203b850267240e97927d79afc1774f3692ce6659cb42ad4a4f739e1c4d3332
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "87203b850267240e97927d79afc1774f3692ce6659cb42ad4a4f739e1c4d3332", kill_on_drop: false }`
[INFO] [stderr]     Checking printer v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.23s
[INFO] running `Command { std: "docker" "inspect" "87203b850267240e97927d79afc1774f3692ce6659cb42ad4a4f739e1c4d3332", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "87203b850267240e97927d79afc1774f3692ce6659cb42ad4a4f739e1c4d3332", kill_on_drop: false }`
[INFO] [stdout] 87203b850267240e97927d79afc1774f3692ce6659cb42ad4a4f739e1c4d3332