[INFO] cloning repository https://github.com/gab-umich/ellipse_circumference
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/gab-umich/ellipse_circumference" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgab-umich%2Fellipse_circumference", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgab-umich%2Fellipse_circumference'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c6db5d4a72f5bb252a490761c1418250a34eabbe
[INFO] checking gab-umich/ellipse_circumference against master#4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5 for pr-81174
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgab-umich%2Fellipse_circumference" "/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/gab-umich/ellipse_circumference on toolchain 4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/gab-umich/ellipse_circumference
[INFO] finished tweaking git repo https://github.com/gab-umich/ellipse_circumference
[INFO] tweaked toml for git repo https://github.com/gab-umich/ellipse_circumference written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate git repo https://github.com/gab-umich/ellipse_circumference already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5" "fetch" "--locked" "--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" "rustops/crates-build-env@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2dec51a9b690d32529ef755ba1cca3566b86e541472dc0ea5673563a4db63a8d
[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" "2dec51a9b690d32529ef755ba1cca3566b86e541472dc0ea5673563a4db63a8d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2dec51a9b690d32529ef755ba1cca3566b86e541472dc0ea5673563a4db63a8d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2dec51a9b690d32529ef755ba1cca3566b86e541472dc0ea5673563a4db63a8d", kill_on_drop: false }`
[INFO] [stdout] 2dec51a9b690d32529ef755ba1cca3566b86e541472dc0ea5673563a4db63a8d
[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" "rustops/crates-build-env@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] aa76342137e697015e39127ec6e722d5dde1c973cf961cf14fde974b337bbae3
[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" "aa76342137e697015e39127ec6e722d5dde1c973cf961cf14fde974b337bbae3", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking ellipse v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: expected `(`, found `->`
[INFO] [stdout]  --> src/main.rs:5:33
[INFO] [stdout]   |
[INFO] [stdout] 5 | fn approx_curve_length<F, G, H> -> f64(
[INFO] [stdout]   |                                 ^^ expected `(`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `ellipse`
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] 
[INFO] [stdout] error: expected `(`, found `->`
[INFO] [stdout]  --> src/main.rs:5:33
[INFO] [stdout]   |
[INFO] [stdout] 5 | fn approx_curve_length<F, G, H> -> f64(
[INFO] [stdout]   |                                 ^^ expected `(`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "aa76342137e697015e39127ec6e722d5dde1c973cf961cf14fde974b337bbae3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aa76342137e697015e39127ec6e722d5dde1c973cf961cf14fde974b337bbae3", kill_on_drop: false }`
[INFO] [stdout] aa76342137e697015e39127ec6e722d5dde1c973cf961cf14fde974b337bbae3