[INFO] fetching crate lbfgs 0.2.1...
[INFO] testing lbfgs-0.2.1 against try#ecabaf78506b7a4668d42dc20268c086b93f0fad for pr-87041
[INFO] extracting crate lbfgs 0.2.1 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate lbfgs 0.2.1 on toolchain ecabaf78506b7a4668d42dc20268c086b93f0fad
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate lbfgs 0.2.1
[INFO] finished tweaking crates.io crate lbfgs 0.2.1
[INFO] tweaked toml for crates.io crate lbfgs 0.2.1 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded unit_test_utils v0.1.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] cd84a1a3e8ea631d8e997aa5ece8b31c07f1d122c58a8edac21e005256623753
[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" "cd84a1a3e8ea631d8e997aa5ece8b31c07f1d122c58a8edac21e005256623753", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cd84a1a3e8ea631d8e997aa5ece8b31c07f1d122c58a8edac21e005256623753", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cd84a1a3e8ea631d8e997aa5ece8b31c07f1d122c58a8edac21e005256623753", kill_on_drop: false }`
[INFO] [stdout] cd84a1a3e8ea631d8e997aa5ece8b31c07f1d122c58a8edac21e005256623753
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] b0636107acc89148e03f658fde0fe99666c27bffc7e6a1c965ea9684ed4d9447
[INFO] running `Command { std: "docker" "start" "-a" "b0636107acc89148e03f658fde0fe99666c27bffc7e6a1c965ea9684ed4d9447", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling lbfgs v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.34s
[INFO] running `Command { std: "docker" "inspect" "b0636107acc89148e03f658fde0fe99666c27bffc7e6a1c965ea9684ed4d9447", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b0636107acc89148e03f658fde0fe99666c27bffc7e6a1c965ea9684ed4d9447", kill_on_drop: false }`
[INFO] [stdout] b0636107acc89148e03f658fde0fe99666c27bffc7e6a1c965ea9684ed4d9447
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 6d94a1b153e1b0facb29559b4483dd12553ddb29cc9ad77f859411280757f11c
[INFO] running `Command { std: "docker" "start" "-a" "6d94a1b153e1b0facb29559b4483dd12553ddb29cc9ad77f859411280757f11c", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling num-bigint v0.2.6
[INFO] [stderr]    Compiling num-rational v0.2.4
[INFO] [stderr]    Compiling num-complex v0.2.4
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]    Compiling num v0.2.1
[INFO] [stderr]    Compiling unit_test_utils v0.1.3
[INFO] [stderr]    Compiling lbfgs v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 4.46s
[INFO] running `Command { std: "docker" "inspect" "6d94a1b153e1b0facb29559b4483dd12553ddb29cc9ad77f859411280757f11c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6d94a1b153e1b0facb29559b4483dd12553ddb29cc9ad77f859411280757f11c", kill_on_drop: false }`
[INFO] [stdout] 6d94a1b153e1b0facb29559b4483dd12553ddb29cc9ad77f859411280757f11c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "test" "--frozen", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 9b6358c498311557ce3e386db6a81a4bc1ea279b83a2fe01beaac4291e8778a2
[INFO] running `Command { std: "docker" "start" "-a" "9b6358c498311557ce3e386db6a81a4bc1ea279b83a2fe01beaac4291e8778a2", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/lbfgs-5bcf7664587c1d28)
[INFO] [stdout] 
[INFO] [stdout] running 29 tests
[INFO] [stdout] test tests::correctneess_buff_empty ... ok
[INFO] [stdout] test tests::correctneess_buff_overfull ... ok
[INFO] [stdout] test tests::correctneess_reset ... ok
[INFO] [stdout] test tests::lbfgs_apply_finite ... ok
[INFO] [stdout] test tests::lbfgs_buffer_storage ... ok
[INFO] [stdout] test tests::reject_norm_s_zero ... ok
[INFO] [stdout] test tests::reject_perpendicular_sy ... ok
[INFO] [stdout] test vec_ops::tests::diff_and_save_test ... ok
[INFO] [stdout] test tests::reject_cfbs_condition ... ok
[INFO] [stdout] test vec_ops::tests::inplace_vec_add_test ... ok
[INFO] [stdout] test tests::correctneess_buff_2 ... ok
[INFO] [stdout] test tests::correctneess_buff_1 ... ok
[INFO] [stdout] test vec_ops::tests::inner_product_test ... ok
[INFO] [stdout] test vec_ops::tests::norm1_test ... ok
[INFO] [stdout] test vec_ops::tests::norm2_test ... ok
[INFO] [stdout] test vec_ops::tests::norm2_sq_test ... ok
[INFO] [stdout] test vec_ops::tests::scalar_vector_test ... ok
[INFO] [stdout] test vec_ops::tests::norm_inf_test ... ok
[INFO] [stdout] test tests::lbfgs_panic_apply_size_grad - should panic ... ok
[INFO] [stdout] test tests::lbfgs_panic_apply_state - should panic ... ok
[INFO] [stdout] test tests::lbfgs_panic_cbfgs_epsilon - should panic ... ok
[INFO] [stdout] test tests::lbfgs_panic_cbfgs_alpha - should panic ... ok
[INFO] [stdout] test tests::lbfgs_panic_zero_n - should panic ... ok
[INFO] [stdout] test vec_ops::tests::diff_and_save_test_panic1 - should panic ... ok
[INFO] [stdout] test vec_ops::tests::diff_and_save_test_panic2 - should panic ... ok
[INFO] [stdout] test vec_ops::tests::diff_and_save_test_panic3 - should panic ... ok
[INFO] [stdout] test vec_ops::tests::inner_product_test_panic - should panic ... ok
[INFO] [stdout] test tests::lbfgs_panic_zero_mem - should panic ... ok
[INFO] [stdout] test vec_ops::tests::inplace_vec_add_panic - should panic ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 29 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests lbfgs
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - (line 16) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.35s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "9b6358c498311557ce3e386db6a81a4bc1ea279b83a2fe01beaac4291e8778a2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9b6358c498311557ce3e386db6a81a4bc1ea279b83a2fe01beaac4291e8778a2", kill_on_drop: false }`
[INFO] [stdout] 9b6358c498311557ce3e386db6a81a4bc1ea279b83a2fe01beaac4291e8778a2