[INFO] cloning repository https://github.com/torkeldanielsson/fraction_problems_generator
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/torkeldanielsson/fraction_problems_generator" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftorkeldanielsson%2Ffraction_problems_generator", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftorkeldanielsson%2Ffraction_problems_generator'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1913590163faef10eca385f6a0b660fdd6ba5a83
[INFO] checking torkeldanielsson/fraction_problems_generator against master#936f2600b6c903b04387f74ed5cbce88bb06d243 for pr-91141
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftorkeldanielsson%2Ffraction_problems_generator" "/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/torkeldanielsson/fraction_problems_generator on toolchain 936f2600b6c903b04387f74ed5cbce88bb06d243
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/torkeldanielsson/fraction_problems_generator
[INFO] finished tweaking git repo https://github.com/torkeldanielsson/fraction_problems_generator
[INFO] tweaked toml for git repo https://github.com/torkeldanielsson/fraction_problems_generator written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate git repo https://github.com/torkeldanielsson/fraction_problems_generator already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 4a932b88277c4cc13d0696838b28ddb3e96174161296fd385ccfd1d4a85f08a6
[INFO] running `Command { std: "docker" "start" "-a" "4a932b88277c4cc13d0696838b28ddb3e96174161296fd385ccfd1d4a85f08a6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4a932b88277c4cc13d0696838b28ddb3e96174161296fd385ccfd1d4a85f08a6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4a932b88277c4cc13d0696838b28ddb3e96174161296fd385ccfd1d4a85f08a6", kill_on_drop: false }`
[INFO] [stdout] 4a932b88277c4cc13d0696838b28ddb3e96174161296fd385ccfd1d4a85f08a6
[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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 7cb4bc49941bd5d77e22be89b25e64999b5afc2cb3a0659dedc7eb047d0c1ce6
[INFO] running `Command { std: "docker" "start" "-a" "7cb4bc49941bd5d77e22be89b25e64999b5afc2cb3a0659dedc7eb047d0c1ce6", kill_on_drop: false }`
[INFO] [stderr]     Checking libc v0.2.34
[INFO] [stderr]     Checking rand v0.3.18
[INFO] [stderr]     Checking math_gen v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.31s
[INFO] running `Command { std: "docker" "inspect" "7cb4bc49941bd5d77e22be89b25e64999b5afc2cb3a0659dedc7eb047d0c1ce6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7cb4bc49941bd5d77e22be89b25e64999b5afc2cb3a0659dedc7eb047d0c1ce6", kill_on_drop: false }`
[INFO] [stdout] 7cb4bc49941bd5d77e22be89b25e64999b5afc2cb3a0659dedc7eb047d0c1ce6