[INFO] fetching crate neural-network-study 0.5.0...
[INFO] testing neural-network-study-0.5.0 against try#b83b707f97d809763b7861afa7638871f3339a33 for pr-145838-1
[INFO] extracting crate neural-network-study 0.5.0 into /workspace/builds/worker-2-tc2/source
[INFO] started tweaking crates.io crate neural-network-study 0.5.0
[INFO] finished tweaking crates.io crate neural-network-study 0.5.0
[INFO] tweaked toml for crates.io crate neural-network-study 0.5.0 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate neural-network-study 0.5.0 on toolchain b83b707f97d809763b7861afa7638871f3339a33
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate neural-network-study 0.5.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4d44612aaeaff16d05edf280f80f64ec33109e0a35cbf4a6d3de5f4cabe79605
[INFO] running `Command { std: "docker" "start" "-a" "4d44612aaeaff16d05edf280f80f64ec33109e0a35cbf4a6d3de5f4cabe79605", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4d44612aaeaff16d05edf280f80f64ec33109e0a35cbf4a6d3de5f4cabe79605", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4d44612aaeaff16d05edf280f80f64ec33109e0a35cbf4a6d3de5f4cabe79605", kill_on_drop: false }`
[INFO] [stdout] 4d44612aaeaff16d05edf280f80f64ec33109e0a35cbf4a6d3de5f4cabe79605
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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" "RUSTDOCFLAGS=--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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2c675a871f0ad53a366ce08bd5f7d135adf7bfedc4f0dd75ba0dfaedc4075720
[INFO] running `Command { std: "docker" "start" "-a" "2c675a871f0ad53a366ce08bd5f7d135adf7bfedc4f0dd75ba0dfaedc4075720", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.95
[INFO] [stderr]    Compiling libc v0.2.172
[INFO] [stderr]    Compiling zerocopy v0.8.25
[INFO] [stderr]    Compiling getrandom v0.3.2
[INFO] [stderr]    Compiling rayon-core v1.12.1
[INFO] [stderr]    Compiling serde_json v1.0.140
[INFO] [stderr]    Compiling either v1.15.0
[INFO] [stderr]    Compiling memchr v2.7.4
[INFO] [stderr]    Compiling rayon v1.10.0
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]    Compiling syn v2.0.101
[INFO] [stderr]    Compiling rand_core v0.9.3
[INFO] [stderr]    Compiling ppv-lite86 v0.2.21
[INFO] [stderr]    Compiling rand_chacha v0.9.0
[INFO] [stderr]    Compiling rand v0.9.1
[INFO] [stderr]    Compiling serde_derive v1.0.219
[INFO] [stderr]    Compiling serde v1.0.219
[INFO] [stderr]    Compiling neural-network-study v0.5.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 15.03s
[INFO] running `Command { std: "docker" "inspect" "2c675a871f0ad53a366ce08bd5f7d135adf7bfedc4f0dd75ba0dfaedc4075720", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2c675a871f0ad53a366ce08bd5f7d135adf7bfedc4f0dd75ba0dfaedc4075720", kill_on_drop: false }`
[INFO] [stdout] 2c675a871f0ad53a366ce08bd5f7d135adf7bfedc4f0dd75ba0dfaedc4075720
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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" "RUSTDOCFLAGS=--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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3cddad2f4584572600ecfe37bec0f80e236af97072ef1deb16f473fbe8904817
[INFO] running `Command { std: "docker" "start" "-a" "3cddad2f4584572600ecfe37bec0f80e236af97072ef1deb16f473fbe8904817", kill_on_drop: false }`
[INFO] [stderr]    Compiling neural-network-study v0.5.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.73s
[INFO] running `Command { std: "docker" "inspect" "3cddad2f4584572600ecfe37bec0f80e236af97072ef1deb16f473fbe8904817", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3cddad2f4584572600ecfe37bec0f80e236af97072ef1deb16f473fbe8904817", kill_on_drop: false }`
[INFO] [stdout] 3cddad2f4584572600ecfe37bec0f80e236af97072ef1deb16f473fbe8904817
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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" "RUSTDOCFLAGS=--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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 6a89f69b6651ab009dab725ede99f1a846485fbe5b4b82590088cefa1e5bf51a
[INFO] running `Command { std: "docker" "start" "-a" "6a89f69b6651ab009dab725ede99f1a846485fbe5b4b82590088cefa1e5bf51a", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/neural_network_study-6cbe7021d905b652)
[INFO] [stdout] 
[INFO] [stdout] running 19 tests
[INFO] [stdout] test matrix::matrix_tests::it_creates_a_matrix_from_a_vector ... ok
[INFO] [stdout] test matrix::matrix_tests::it_creates_random_matrix ... ok
[INFO] [stdout] test matrix::matrix_tests::it_adds_and_assigns ... ok
[INFO] [stdout] test matrix::matrix_tests::it_adds_matrices ... ok
[INFO] [stdout] test matrix::matrix_tests::it_gets_and_sets_mutable_values ... ok
[INFO] [stdout] test matrix::matrix_tests::it_gets_and_sets_values ... ok
[INFO] [stdout] test matrix::matrix_tests::it_maps ... ok
[INFO] [stdout] test matrix::matrix_tests::it_multiplies_by_scalar ... ok
[INFO] [stdout] test matrix::matrix_tests::it_multiplies_by_scalar_in_place ... ok
[INFO] [stdout] test matrix::matrix_tests::it_multiplies_matrices ... ok
[INFO] [stdout] test matrix::matrix_tests::it_returns_mutable_data ... ok
[INFO] [stdout] test matrix::matrix_tests::it_transposes_matrix ... ok
[INFO] [stdout] test matrix::matrix_tests::it_works ... ok
[INFO] [stdout] test nn::nn_tests::it_creates_a_neural_network ... ok
[INFO] [stdout] test nn::nn_tests::it_predicts ... ok
[INFO] [stdout] test matrix::matrix_tests::it_panics_on_out_of_bounds_get - should panic ... ok
[INFO] [stdout] test matrix::matrix_tests::it_panics_on_out_of_bounds_get_mut - should panic ... ok
[INFO] [stdout] test matrix::matrix_tests::it_panics_on_out_of_bounds_set - should panic ... ok
[INFO] [stdout] test matrix::matrix_tests::it_panics_on_out_of_bounds_set_mut - should panic ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 19 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/neural_network_study-00e51e60c501a6d3)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stderr]    Doc-tests neural_network_study
[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] [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" "6a89f69b6651ab009dab725ede99f1a846485fbe5b4b82590088cefa1e5bf51a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6a89f69b6651ab009dab725ede99f1a846485fbe5b4b82590088cefa1e5bf51a", kill_on_drop: false }`
[INFO] [stdout] 6a89f69b6651ab009dab725ede99f1a846485fbe5b4b82590088cefa1e5bf51a