[INFO] crate optimization 0.2.0 is already in cache
[INFO] testing optimization-0.2.0 against 1.44.0 for beta-1.45-1
[INFO] extracting crate optimization 0.2.0 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate optimization 0.2.0 on toolchain 1.44.0
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate optimization 0.2.0
[INFO] finished tweaking crates.io crate optimization 0.2.0
[INFO] tweaked toml for crates.io crate optimization 0.2.0 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate crates.io crate optimization 0.2.0 already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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=warn" "-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" "/opt/rustwide/cargo-home/bin/cargo" "+1.44.0" "build" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] b4a7005e02f1f1261f302db44e636bf10c9f7d207f6e9899040fc1c5ec8ce09f
[INFO] running `"docker" "start" "-a" "b4a7005e02f1f1261f302db44e636bf10c9f7d207f6e9899040fc1c5ec8ce09f"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling libc v0.2.68
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling rand_pcg v0.2.1
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling rand_distr v0.2.2
[INFO] [stderr]    Compiling optimization v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.96s
[INFO] running `"docker" "inspect" "b4a7005e02f1f1261f302db44e636bf10c9f7d207f6e9899040fc1c5ec8ce09f"`
[INFO] running `"docker" "rm" "-f" "b4a7005e02f1f1261f302db44e636bf10c9f7d207f6e9899040fc1c5ec8ce09f"`
[INFO] [stdout] b4a7005e02f1f1261f302db44e636bf10c9f7d207f6e9899040fc1c5ec8ce09f
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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=warn" "-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" "/opt/rustwide/cargo-home/bin/cargo" "+1.44.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] aa6397c36b2601c51bc5253d878e7695fe270b02af125df8b66eca33a7f358b3
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "aa6397c36b2601c51bc5253d878e7695fe270b02af125df8b66eca33a7f358b3"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling env_logger v0.7.1
[INFO] [stderr]    Compiling optimization v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 8.15s
[INFO] running `"docker" "inspect" "aa6397c36b2601c51bc5253d878e7695fe270b02af125df8b66eca33a7f358b3"`
[INFO] running `"docker" "rm" "-f" "aa6397c36b2601c51bc5253d878e7695fe270b02af125df8b66eca33a7f358b3"`
[INFO] [stdout] aa6397c36b2601c51bc5253d878e7695fe270b02af125df8b66eca33a7f358b3
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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=warn" "-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" "/opt/rustwide/cargo-home/bin/cargo" "+1.44.0" "test" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 81b564ba5c026b70ea838a10413a360367914c940111fbac0d1fa32ca7ebf29f
[INFO] running `"docker" "start" "-a" "81b564ba5c026b70ea838a10413a360367914c940111fbac0d1fa32ca7ebf29f"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.09s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/optimization-d3d73c317c581c51
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] test utils::tests::test_are_close ... ok
[INFO] [stdout] test utils::tests::test_is_saddle_point ... ok
[INFO] [stdout] test gd::tests::sphere ... ok
[INFO] [stdout] test numeric::tests::test_accuracy ... ok
[INFO] [stdout] test numeric::tests::test_gd_sphere ... ok
[INFO] [stdout] test gd::tests::rosenbrock ... ok
[INFO] [stdout] test numeric::tests::test_gd_rosenbrock ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests optimization
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/numeric.rs - numeric::NumericalDifferentiation (line 13) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "81b564ba5c026b70ea838a10413a360367914c940111fbac0d1fa32ca7ebf29f"`
[INFO] running `"docker" "rm" "-f" "81b564ba5c026b70ea838a10413a360367914c940111fbac0d1fa32ca7ebf29f"`
[INFO] [stdout] 81b564ba5c026b70ea838a10413a360367914c940111fbac0d1fa32ca7ebf29f