[INFO] fetching crate mtrs 0.2.0...
[INFO] testing mtrs-0.2.0 against try#d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2 for pr-86479
[INFO] extracting crate mtrs 0.2.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate mtrs 0.2.0 on toolchain d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate mtrs 0.2.0
[INFO] finished tweaking crates.io crate mtrs 0.2.0
[INFO] tweaked toml for crates.io crate mtrs 0.2.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 556ef055c22b55f108571709828e3bf36ba037ce9631cab3a800cff45b336b7f
[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" "556ef055c22b55f108571709828e3bf36ba037ce9631cab3a800cff45b336b7f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "556ef055c22b55f108571709828e3bf36ba037ce9631cab3a800cff45b336b7f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "556ef055c22b55f108571709828e3bf36ba037ce9631cab3a800cff45b336b7f", kill_on_drop: false }`
[INFO] [stdout] 556ef055c22b55f108571709828e3bf36ba037ce9631cab3a800cff45b336b7f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6dede1465404102bfc1d0fde5c481ff1aec7ae02db54c29dd752de2dc67899e8
[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" "6dede1465404102bfc1d0fde5c481ff1aec7ae02db54c29dd752de2dc67899e8", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling mtrs v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.91s
[INFO] running `Command { std: "docker" "inspect" "6dede1465404102bfc1d0fde5c481ff1aec7ae02db54c29dd752de2dc67899e8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6dede1465404102bfc1d0fde5c481ff1aec7ae02db54c29dd752de2dc67899e8", kill_on_drop: false }`
[INFO] [stdout] 6dede1465404102bfc1d0fde5c481ff1aec7ae02db54c29dd752de2dc67899e8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f0af46bfd59dca03d7e8cbb56a6a5f564cc023b5b3fb783c1942b4b969df76f6
[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" "f0af46bfd59dca03d7e8cbb56a6a5f564cc023b5b3fb783c1942b4b969df76f6", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.127
[INFO] [stderr]    Compiling semver v1.0.4
[INFO] [stderr]    Compiling crossbeam-utils v0.8.5
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.5
[INFO] [stderr]    Compiling rayon-core v1.9.1
[INFO] [stderr]    Compiling syn v1.0.74
[INFO] [stderr]    Compiling itoa v0.4.7
[INFO] [stderr]    Compiling regex-automata v0.1.10
[INFO] [stderr]    Compiling plotters-backend v0.3.2
[INFO] [stderr]    Compiling half v1.7.1
[INFO] [stderr]    Compiling same-file v1.0.6
[INFO] [stderr]    Compiling regex-syntax v0.6.25
[INFO] [stderr]    Compiling oorandom v11.1.3
[INFO] [stderr]    Compiling memoffset v0.6.4
[INFO] [stderr]    Compiling rayon v1.5.1
[INFO] [stderr]    Compiling itertools v0.10.1
[INFO] [stderr]    Compiling walkdir v2.3.2
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling plotters-svg v0.3.1
[INFO] [stderr]    Compiling plotters v0.3.1
[INFO] [stderr]    Compiling crossbeam-channel v0.5.1
[INFO] [stderr]    Compiling rustc_version v0.4.0
[INFO] [stderr]    Compiling csv-core v0.1.10
[INFO] [stderr]    Compiling regex v1.5.4
[INFO] [stderr]    Compiling crossbeam-deque v0.8.1
[INFO] [stderr]    Compiling cast v0.2.7
[INFO] [stderr]    Compiling criterion-plot v0.4.4
[INFO] [stderr]    Compiling serde_json v1.0.66
[INFO] [stderr]    Compiling bstr v0.2.16
[INFO] [stderr]    Compiling serde_cbor v0.11.1
[INFO] [stderr]    Compiling csv v1.1.6
[INFO] [stderr]    Compiling tinytemplate v1.2.1
[INFO] [stderr]    Compiling serde_derive v1.0.127
[INFO] [stderr]    Compiling criterion v0.3.5
[INFO] [stderr]    Compiling mtrs v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 55.48s
[INFO] running `Command { std: "docker" "inspect" "f0af46bfd59dca03d7e8cbb56a6a5f564cc023b5b3fb783c1942b4b969df76f6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f0af46bfd59dca03d7e8cbb56a6a5f564cc023b5b3fb783c1942b4b969df76f6", kill_on_drop: false }`
[INFO] [stdout] f0af46bfd59dca03d7e8cbb56a6a5f564cc023b5b3fb783c1942b4b969df76f6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 85d990934cce5b8e2a24971efac7a615be83483325f6fbef7c4a1aacce5090cf
[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" "85d990934cce5b8e2a24971efac7a615be83483325f6fbef7c4a1aacce5090cf", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/mtrs-d0c9e82024999fe9)
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] test matrix::matrix_tests::test_resize ... ok
[INFO] [stdout] test matrix::matrix_tests::test_erase ... ok
[INFO] [stdout] test matrix::matrix_tests::test_empty_matrix ... ok
[INFO] [stdout] test matrix::matrix_tests::test_cols ... ok
[INFO] [stdout] test impls::math::math_tests::test_ops ... ok
[INFO] [stdout] test matrix::matrix_tests::test_diagonal ... ok
[INFO] [stdout] test main_tests::test_values ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests mtrs
[INFO] [stdout] 
[INFO] [stdout] running 23 tests
[INFO] [stdout] test src/matrix.rs - matrix::Matrix<T>::get (line 214) ... ok
[INFO] [stdout] test src/lib.rs - (line 4) ... ok
[INFO] [stdout] test src/matrix.rs - matrix::Matrix<T>::from_slice (line 47) ... ok
[INFO] [stdout] test src/matrix.rs - matrix::Matrix<T>::as_vec (line 145) ... ok
[INFO] [stdout] test src/matrix.rs - matrix::Matrix<T>::from_vec (line 34) ... ok
[INFO] [stdout] test src/math.rs - math::Matrix<T>::scalar_add (line 34) ... ok
[INFO] [stdout] test src/lib.rs - Matrix (line 27) ... ok
[INFO] [stdout] test src/macros.rs - matrix (line 2) ... ok
[INFO] [stdout] test src/math.rs - math::Matrix<T>::inverse (line 152) ... ok
[INFO] [stdout] test src/math.rs - math::Matrix<T>::scalar_mul (line 60) ... ok
[INFO] [stdout] test src/matrix.rs - matrix::Matrix<T>::diag (line 89) ... ok
[INFO] [stdout] test src/math.rs - math::Matrix<T>::scalar_sub (line 47) ... ok
[INFO] [stdout] test src/math.rs - math::Matrix<T>::scalar_div (line 73) ... ok
[INFO] [stdout] test src/math.rs - math::Matrix<T>::transpose (line 8) ... ok
[INFO] [stdout] test src/matrix.rs - matrix::Matrix<T>::cols (line 194) ... ok
[INFO] [stdout] test src/math.rs - math::Matrix<T>::determinant (line 86) ... ok
[INFO] [stdout] test src/matrix.rs - matrix::Matrix<T>::get_col (line 169) ... ok
[INFO] [stdout] test src/matrix.rs - matrix::Matrix<T>::ones (line 75) ... ok
[INFO] [stdout] test src/matrix.rs - matrix::Matrix<T>::size (line 107) ... ok
[INFO] [stdout] test src/matrix.rs - matrix::Matrix<T>::identity (line 21) ... ok
[INFO] [stdout] test src/matrix.rs - matrix::Matrix<T>::resize (line 251) ... ok
[INFO] [stdout] test src/matrix.rs - matrix::Matrix<T>::set (line 230) ... ok
[INFO] [stdout] test src/matrix.rs - matrix::Matrix<T>::zeros (line 61) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 23 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 5.84s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "85d990934cce5b8e2a24971efac7a615be83483325f6fbef7c4a1aacce5090cf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "85d990934cce5b8e2a24971efac7a615be83483325f6fbef7c4a1aacce5090cf", kill_on_drop: false }`
[INFO] [stdout] 85d990934cce5b8e2a24971efac7a615be83483325f6fbef7c4a1aacce5090cf