[INFO] fetching crate math-rs 0.1.5...
[INFO] testing math-rs-0.1.5 against master#c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38 for pr-146098-7
[INFO] extracting crate math-rs 0.1.5 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate math-rs 0.1.5
[INFO] finished tweaking crates.io crate math-rs 0.1.5
[INFO] tweaked toml for crates.io crate math-rs 0.1.5 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate math-rs 0.1.5 on toolchain c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 24 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded diff v0.1.13
[INFO] [stderr]   Downloaded tracing-wasm v0.2.1
[INFO] [stderr]   Downloaded pretty_assertions v1.4.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2e42d8f560abc6e8f61bcbd3c73704b843e302b70bbe453a10deb235e91cd399
[INFO] running `Command { std: "docker" "start" "-a" "2e42d8f560abc6e8f61bcbd3c73704b843e302b70bbe453a10deb235e91cd399", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2e42d8f560abc6e8f61bcbd3c73704b843e302b70bbe453a10deb235e91cd399", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2e42d8f560abc6e8f61bcbd3c73704b843e302b70bbe453a10deb235e91cd399", kill_on_drop: false }`
[INFO] [stdout] 2e42d8f560abc6e8f61bcbd3c73704b843e302b70bbe453a10deb235e91cd399
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4b9e03e5112848fa5f36edc9179d380765cbb0c006faf55e626756a22e0292d9
[INFO] running `Command { std: "docker" "start" "-a" "4b9e03e5112848fa5f36edc9179d380765cbb0c006faf55e626756a22e0292d9", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.103
[INFO] [stderr]    Compiling unicode-ident v1.0.22
[INFO] [stderr]    Compiling quote v1.0.42
[INFO] [stderr]    Compiling wasm-bindgen-shared v0.2.105
[INFO] [stderr]    Compiling cfg-if v1.0.4
[INFO] [stderr]    Compiling bumpalo v3.19.0
[INFO] [stderr]    Compiling wasm-bindgen v0.2.105
[INFO] [stderr]    Compiling sharded-slab v0.1.7
[INFO] [stderr]    Compiling thread_local v1.1.9
[INFO] [stderr]    Compiling diff v0.1.13
[INFO] [stderr]    Compiling yansi v1.0.1
[INFO] [stderr]    Compiling pretty_assertions v1.4.1
[INFO] [stderr]    Compiling tracing-subscriber v0.3.20
[INFO] [stderr]    Compiling syn v2.0.110
[INFO] [stderr]    Compiling wasm-bindgen-macro-support v0.2.105
[INFO] [stderr]    Compiling tracing-attributes v0.1.30
[INFO] [stderr]    Compiling tracing v0.1.41
[INFO] [stderr]    Compiling wasm-bindgen-macro v0.2.105
[INFO] [stderr]    Compiling tracing-wasm v0.2.1
[INFO] [stderr]    Compiling math-rs v0.1.5 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `matrix_f32`
[INFO] [stdout]   --> src/matrix/float/f32.rs:17:9
[INFO] [stdout]    |
[INFO] [stdout] 17 | pub use matrix_f32;
[INFO] [stdout]    |         ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `macros::*`
[INFO] [stdout]  --> src/matrix/mod.rs:6:9
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub use macros::*;
[INFO] [stdout]   |         ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 17.65s
[INFO] running `Command { std: "docker" "inspect" "4b9e03e5112848fa5f36edc9179d380765cbb0c006faf55e626756a22e0292d9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4b9e03e5112848fa5f36edc9179d380765cbb0c006faf55e626756a22e0292d9", kill_on_drop: false }`
[INFO] [stdout] 4b9e03e5112848fa5f36edc9179d380765cbb0c006faf55e626756a22e0292d9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 58314cfa1e5a5ff375e8560271ed29d64166b72bc861962bb4ea30d3cc00c671
[INFO] running `Command { std: "docker" "start" "-a" "58314cfa1e5a5ff375e8560271ed29d64166b72bc861962bb4ea30d3cc00c671", kill_on_drop: false }`
[INFO] [stderr]    Compiling math-rs v0.1.5 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `matrix_f32`
[INFO] [stdout]   --> src/matrix/float/f32.rs:17:9
[INFO] [stdout]    |
[INFO] [stdout] 17 | pub use matrix_f32;
[INFO] [stdout]    |         ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `macros::*`
[INFO] [stdout]  --> src/matrix/mod.rs:6:9
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub use macros::*;
[INFO] [stdout]   |         ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `matrix_f32`
[INFO] [stdout]    --> src/matrix/float/f32.rs:229:17
[INFO] [stdout]     |
[INFO] [stdout] 229 |     use super::{matrix_f32, MatrixF32};
[INFO] [stdout]     |                 ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `macros::*`
[INFO] [stdout]  --> src/matrix/mod.rs:6:9
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub use macros::*;
[INFO] [stdout]   |         ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.04s
[INFO] running `Command { std: "docker" "inspect" "58314cfa1e5a5ff375e8560271ed29d64166b72bc861962bb4ea30d3cc00c671", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "58314cfa1e5a5ff375e8560271ed29d64166b72bc861962bb4ea30d3cc00c671", kill_on_drop: false }`
[INFO] [stdout] 58314cfa1e5a5ff375e8560271ed29d64166b72bc861962bb4ea30d3cc00c671
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 7618f17f8739465476640c2b5ff35a95e3e358631cc9e133b035da63ae1d9cd2
[INFO] running `Command { std: "docker" "start" "-a" "7618f17f8739465476640c2b5ff35a95e3e358631cc9e133b035da63ae1d9cd2", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `matrix_f32`
[INFO] [stderr]   --> src/matrix/float/f32.rs:17:9
[INFO] [stderr]    |
[INFO] [stderr] 17 | pub use matrix_f32;
[INFO] [stderr]    |         ^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `macros::*`
[INFO] [stderr]  --> src/matrix/mod.rs:6:9
[INFO] [stderr]   |
[INFO] [stderr] 6 | pub use macros::*;
[INFO] [stderr]   |         ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `matrix_f32`
[INFO] [stderr]    --> src/matrix/float/f32.rs:229:17
[INFO] [stderr]     |
[INFO] [stderr] 229 |     use super::{matrix_f32, MatrixF32};
[INFO] [stderr]     |                 ^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `math-rs` (lib) generated 2 warnings (run `cargo fix --lib -p math-rs` to apply 2 suggestions)
[INFO] [stderr] warning: `math-rs` (lib test) generated 2 warnings (1 duplicate) (run `cargo fix --lib -p math-rs --tests` to apply 1 suggestion)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/math_rs-002de930d36a5699)
[INFO] [stdout] 
[INFO] [stdout] running 29 tests
[INFO] [stdout] test matrix::float::arith::test::add_3x5_f32 ... ok
[INFO] [stdout] test matrix::float::arith::test::add_2x2_f32 ... ok
[INFO] [stdout] test matrix::float::arith::test::add_different_rows_should_fail ... ok
[INFO] [stdout] test matrix::float::arith::test::add_different_cols_should_fail ... ok
[INFO] [stdout] test matrix::float::arith::test::mul_2x2_f32 ... ok
[INFO] [stdout] test matrix::float::arith::test::mul_3x5x2_f32 ... ok
[INFO] [stdout] test matrix::float::arith::test::sub_3x5_f32 ... ok
[INFO] [stdout] test matrix::float::arith::test::sub_2x2_f32 ... ok
[INFO] [stdout] test matrix::float::display::test::debug ... ignored
[INFO] [stdout] test matrix::float::f32::test::determinant_1 ... ok
[INFO] [stdout] test matrix::float::display::test::print_float ... ok
[INFO] [stdout] test matrix::float::f32::test::determinant_using_lu_1 ... ok
[INFO] [stdout] test matrix::float::f32::test::equal_matrices ... ok
[INFO] [stdout] test matrix::float::f32::test::gaussian_elimination_1 ... ok
[INFO] [stdout] test matrix::float::f32::test::lu_decomposition_1 ... ok
[INFO] [stdout] test matrix::float::f32::test::sum_with_macro ... ok
[INFO] [stdout] test matrix::float::inverse::test::inverse_gauss_jordan_2x2_f32 ... ok
[INFO] [stdout] test matrix::float::f32::test::gaussian_elimination_2 ... ok
[INFO] [stdout] test matrix::float::inverse::test::inverse_gauss_jordan_3x3_f32 ... ok
[INFO] [stdout] test matrix::float::inverse::test::inverse_gauss_jordan_5x5_f32 ... ok
[INFO] [stdout] test matrix::float::inverse::test::inverse_gauss_jordan_4x4_f32 ... ok
[INFO] [stdout] test matrix::float::parser::test::parse_2x2 ... ok
[INFO] [stdout] test matrix::float::parser::test::serialize_2x2 ... ok
[INFO] [stdout] test matrix::float::parser::test::parse_3x5 ... ok
[INFO] [stdout] test matrix::float::arith::test::sub_different_cols_should_fail ... ok
[INFO] [stdout] test matrix::float::arith::test::sub_different_rows_should_fail ... ok
[INFO] [stdout] test matrix::float::f32::test::get_1 ... ok
[INFO] [stdout] test matrix::float::f32::test::get_2 ... ok
[INFO] [stdout] test matrix::float::f32::test::create_matrix_from_macro_1 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 28 passed; 0 failed; 1 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests math_rs
[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" "7618f17f8739465476640c2b5ff35a95e3e358631cc9e133b035da63ae1d9cd2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7618f17f8739465476640c2b5ff35a95e3e358631cc9e133b035da63ae1d9cd2", kill_on_drop: false }`
[INFO] [stdout] 7618f17f8739465476640c2b5ff35a95e3e358631cc9e133b035da63ae1d9cd2