[INFO] updating cached repository https://github.com/Corendos/CubicSpline
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune", kill_on_drop: false }`
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 2c5b272db8552f3b7a04475a37b5d8646d2807d9
[INFO] checking Corendos/CubicSpline against try#5fdfba63a96c5e8ae0ebf6b8b66853110277087d for pr-73166
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCorendos%2FCubicSpline" "/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/Corendos/CubicSpline on toolchain 5fdfba63a96c5e8ae0ebf6b8b66853110277087d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5fdfba63a96c5e8ae0ebf6b8b66853110277087d" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Corendos/CubicSpline
[INFO] finished tweaking git repo https://github.com/Corendos/CubicSpline
[INFO] tweaked toml for git repo https://github.com/Corendos/CubicSpline written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate git repo https://github.com/Corendos/CubicSpline already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5fdfba63a96c5e8ae0ebf6b8b66853110277087d" "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" "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" "+5fdfba63a96c5e8ae0ebf6b8b66853110277087d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4fa087ec1bb2b0d7c0db0c9cb60a90a78d5787c7bcc63fea26ac380c250fbfb4
[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" "4fa087ec1bb2b0d7c0db0c9cb60a90a78d5787c7bcc63fea26ac380c250fbfb4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4fa087ec1bb2b0d7c0db0c9cb60a90a78d5787c7bcc63fea26ac380c250fbfb4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4fa087ec1bb2b0d7c0db0c9cb60a90a78d5787c7bcc63fea26ac380c250fbfb4", kill_on_drop: false }`
[INFO] [stdout] 4fa087ec1bb2b0d7c0db0c9cb60a90a78d5787c7bcc63fea26ac380c250fbfb4
[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" "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" "+5fdfba63a96c5e8ae0ebf6b8b66853110277087d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4755d0e8f4e2409b6ac9a87a4deb9a368d443553f3d8f3eb4e54cf9483fa7edd
[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" "4755d0e8f4e2409b6ac9a87a4deb9a368d443553f3d8f3eb4e54cf9483fa7edd", kill_on_drop: false }`
[INFO] [stderr]    Compiling byteorder v1.3.2
[INFO] [stderr]     Checking gnuplot v0.0.32
[INFO] [stderr]     Checking spline v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function is never used: `test_pop_empty_spline`
[INFO] [stdout]   --> src/lib.rs:88:8
[INFO] [stdout]    |
[INFO] [stdout] 88 |     fn test_pop_empty_spline() {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.47s
[INFO] running `Command { std: "docker" "inspect" "4755d0e8f4e2409b6ac9a87a4deb9a368d443553f3d8f3eb4e54cf9483fa7edd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4755d0e8f4e2409b6ac9a87a4deb9a368d443553f3d8f3eb4e54cf9483fa7edd", kill_on_drop: false }`
[INFO] [stdout] 4755d0e8f4e2409b6ac9a87a4deb9a368d443553f3d8f3eb4e54cf9483fa7edd