[INFO] cloning repository https://github.com/Corendos/CubicSpline
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Corendos/CubicSpline" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCorendos%2FCubicSpline", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCorendos%2FCubicSpline'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 2c5b272db8552f3b7a04475a37b5d8646d2807d9
[INFO] testing Corendos/CubicSpline against beta-2021-09-08 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCorendos%2FCubicSpline" "/workspace/builds/worker-3/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Corendos/CubicSpline on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", 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-3/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" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3c2083dc4d9702d4f9042c248b5363aabe52e44c00c3d63e3e95fb4042b5ff57
[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" "3c2083dc4d9702d4f9042c248b5363aabe52e44c00c3d63e3e95fb4042b5ff57", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3c2083dc4d9702d4f9042c248b5363aabe52e44c00c3d63e3e95fb4042b5ff57", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3c2083dc4d9702d4f9042c248b5363aabe52e44c00c3d63e3e95fb4042b5ff57", kill_on_drop: false }`
[INFO] [stdout] 3c2083dc4d9702d4f9042c248b5363aabe52e44c00c3d63e3e95fb4042b5ff57
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1a408f1e7cf94923316b877864ab858f98d187bab8ac4dc514a4634fe6f008a8
[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" "1a408f1e7cf94923316b877864ab858f98d187bab8ac4dc514a4634fe6f008a8", kill_on_drop: false }`
[INFO] [stderr]    Compiling gnuplot v0.0.32
[INFO] [stderr]    Compiling spline v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.01s
[INFO] running `Command { std: "docker" "inspect" "1a408f1e7cf94923316b877864ab858f98d187bab8ac4dc514a4634fe6f008a8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1a408f1e7cf94923316b877864ab858f98d187bab8ac4dc514a4634fe6f008a8", kill_on_drop: false }`
[INFO] [stdout] 1a408f1e7cf94923316b877864ab858f98d187bab8ac4dc514a4634fe6f008a8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 648799dbb0a4f2b875d54b2a2b33521367fbcd4038e13d4a18e933db21cad782
[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" "648799dbb0a4f2b875d54b2a2b33521367fbcd4038e13d4a18e933db21cad782", kill_on_drop: false }`
[INFO] [stderr]    Compiling 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 test [unoptimized + debuginfo] target(s) in 1.40s
[INFO] running `Command { std: "docker" "inspect" "648799dbb0a4f2b875d54b2a2b33521367fbcd4038e13d4a18e933db21cad782", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "648799dbb0a4f2b875d54b2a2b33521367fbcd4038e13d4a18e933db21cad782", kill_on_drop: false }`
[INFO] [stdout] 648799dbb0a4f2b875d54b2a2b33521367fbcd4038e13d4a18e933db21cad782
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 37a2a156a9bf5ba6ccee0456b29e05aff79b806b2c7a32f270d77a32ddc93da3
[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" "37a2a156a9bf5ba6ccee0456b29e05aff79b806b2c7a32f270d77a32ddc93da3", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr] warning: function is never used: `test_pop_empty_spline`
[INFO] [stdout] running 10 tests
[INFO] [stderr]   --> src/lib.rs:88:8
[INFO] [stderr]    |
[INFO] [stderr] 88 |     fn test_pop_empty_spline() {
[INFO] [stderr]    |        ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `spline` (lib test) generated 1 warning
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/spline-786bd875f3ae1d43)
[INFO] [stdout] test tests::test_create_spline ... ok
[INFO] [stdout] test tests::test_pop_fifth_point_to_spline ... ok
[INFO] [stdout] test tests::test_pop_fourth_point_to_spline ... ok
[INFO] [stdout] test tests::test_pop_second_point_to_spline ... ok
[INFO] [stdout] test tests::test_pop_first_point_to_spline ... ok
[INFO] [stdout] test tests::test_push_second_point_to_spline ... ok
[INFO] [stdout] test tests::test_push_third_point_to_spline ... ok
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/spline-60fad245bf25445f)
[INFO] [stdout] test tests::test_pop_third_point_to_spline ... ok
[INFO] [stdout] test tests::test_push_first_point_to_spline ... ok
[INFO] [stdout] test tests::test_push_fourth_point_to_spline ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 10 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests spline
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "37a2a156a9bf5ba6ccee0456b29e05aff79b806b2c7a32f270d77a32ddc93da3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "37a2a156a9bf5ba6ccee0456b29e05aff79b806b2c7a32f270d77a32ddc93da3", kill_on_drop: false }`
[INFO] [stdout] 37a2a156a9bf5ba6ccee0456b29e05aff79b806b2c7a32f270d77a32ddc93da3