[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 try#ddfd70ee3c3748e597b32f416b0d15a4f6e37685 for pr-87050
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftorkeldanielsson%2Ffraction_problems_generator" "/workspace/builds/worker-12/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/torkeldanielsson/fraction_problems_generator on toolchain ddfd70ee3c3748e597b32f416b0d15a4f6e37685
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "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-12/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" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c9b5ca60cd979025290ebad71a1deac01c9386e6f479ad7ca2137e27e2bf10d0
[INFO] running `Command { std: "docker" "start" "-a" "c9b5ca60cd979025290ebad71a1deac01c9386e6f479ad7ca2137e27e2bf10d0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c9b5ca60cd979025290ebad71a1deac01c9386e6f479ad7ca2137e27e2bf10d0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c9b5ca60cd979025290ebad71a1deac01c9386e6f479ad7ca2137e27e2bf10d0", kill_on_drop: false }`
[INFO] [stdout] c9b5ca60cd979025290ebad71a1deac01c9386e6f479ad7ca2137e27e2bf10d0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 92181a4dc1fe56336d4e9b748154b1fcb19b6d3703b6e7ad98184d2cfd3b2588
[INFO] running `Command { std: "docker" "start" "-a" "92181a4dc1fe56336d4e9b748154b1fcb19b6d3703b6e7ad98184d2cfd3b2588", kill_on_drop: false }`
[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 1.71s
[INFO] running `Command { std: "docker" "inspect" "92181a4dc1fe56336d4e9b748154b1fcb19b6d3703b6e7ad98184d2cfd3b2588", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "92181a4dc1fe56336d4e9b748154b1fcb19b6d3703b6e7ad98184d2cfd3b2588", kill_on_drop: false }`
[INFO] [stdout] 92181a4dc1fe56336d4e9b748154b1fcb19b6d3703b6e7ad98184d2cfd3b2588