[INFO] cloning repository https://github.com/jrobar/Fahrenheit-to-Celsius
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jrobar/Fahrenheit-to-Celsius" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjrobar%2FFahrenheit-to-Celsius", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjrobar%2FFahrenheit-to-Celsius'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f28f393e64635630f9ffcfce289a55adf0b082d2
[INFO] checking jrobar/Fahrenheit-to-Celsius against master#da897dfb6daa268a965d2d73620316ba56020a19 for pr-76219
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjrobar%2FFahrenheit-to-Celsius" "/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/jrobar/Fahrenheit-to-Celsius on toolchain da897dfb6daa268a965d2d73620316ba56020a19
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+da897dfb6daa268a965d2d73620316ba56020a19" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/jrobar/Fahrenheit-to-Celsius
[INFO] finished tweaking git repo https://github.com/jrobar/Fahrenheit-to-Celsius
[INFO] tweaked toml for git repo https://github.com/jrobar/Fahrenheit-to-Celsius written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate git repo https://github.com/jrobar/Fahrenheit-to-Celsius already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+da897dfb6daa268a965d2d73620316ba56020a19" "fetch" "--locked" "--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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+da897dfb6daa268a965d2d73620316ba56020a19" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f626e456a42d29357e9d5cf8699aa8bd98e7f1d1ecc46e2f04e618df1a8a3eb9
[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" "f626e456a42d29357e9d5cf8699aa8bd98e7f1d1ecc46e2f04e618df1a8a3eb9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f626e456a42d29357e9d5cf8699aa8bd98e7f1d1ecc46e2f04e618df1a8a3eb9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f626e456a42d29357e9d5cf8699aa8bd98e7f1d1ecc46e2f04e618df1a8a3eb9", kill_on_drop: false }`
[INFO] [stdout] f626e456a42d29357e9d5cf8699aa8bd98e7f1d1ecc46e2f04e618df1a8a3eb9
[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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+da897dfb6daa268a965d2d73620316ba56020a19" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3155ff43ec8f711f17c248fb333a2ccf5f6698a0c57f772d09ed623eec4662da
[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" "3155ff43ec8f711f17c248fb333a2ccf5f6698a0c57f772d09ed623eec4662da", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking fahrenheit_to_celsius v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.48s
[INFO] running `Command { std: "docker" "inspect" "3155ff43ec8f711f17c248fb333a2ccf5f6698a0c57f772d09ed623eec4662da", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3155ff43ec8f711f17c248fb333a2ccf5f6698a0c57f772d09ed623eec4662da", kill_on_drop: false }`
[INFO] [stdout] 3155ff43ec8f711f17c248fb333a2ccf5f6698a0c57f772d09ed623eec4662da