[INFO] cloning repository https://github.com/mikhail-ram/rux
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mikhail-ram/rux" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmikhail-ram%2Frux", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmikhail-ram%2Frux'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 10fda86935281e0b12c57a8938d6a96cb6f7a5a8
[INFO] testing mikhail-ram/rux against try#ecabaf78506b7a4668d42dc20268c086b93f0fad for pr-87041
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmikhail-ram%2Frux" "/workspace/builds/worker-11/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-11/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mikhail-ram/rux 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 git repo https://github.com/mikhail-ram/rux
[INFO] finished tweaking git repo https://github.com/mikhail-ram/rux
[INFO] tweaked toml for git repo https://github.com/mikhail-ram/rux written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] crate git repo https://github.com/mikhail-ram/rux already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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] fbda9972b5bd18f369ebab07a1f6efbac054738b35626444ada9bcddf88666b6
[INFO] running `Command { std: "docker" "start" "-a" "fbda9972b5bd18f369ebab07a1f6efbac054738b35626444ada9bcddf88666b6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fbda9972b5bd18f369ebab07a1f6efbac054738b35626444ada9bcddf88666b6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fbda9972b5bd18f369ebab07a1f6efbac054738b35626444ada9bcddf88666b6", kill_on_drop: false }`
[INFO] [stdout] fbda9972b5bd18f369ebab07a1f6efbac054738b35626444ada9bcddf88666b6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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] [stdout] bb2809c0f19abfaf3d890261a5de995a2712f6c9e3f0689eea0181fd8c809ce9
[INFO] running `Command { std: "docker" "start" "-a" "bb2809c0f19abfaf3d890261a5de995a2712f6c9e3f0689eea0181fd8c809ce9", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling num-bigint v0.4.0
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]    Compiling num-rational v0.4.0
[INFO] [stderr]    Compiling num-complex v0.4.0
[INFO] [stderr]    Compiling num v0.4.0
[INFO] [stderr]    Compiling rux v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `x_test`
[INFO] [stdout]   --> src/bin.rs:16:9
[INFO] [stdout]    |
[INFO] [stdout] 16 |     let x_test = Matrix::new(vec![vec![3, 4, 5]]);
[INFO] [stdout]    |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_x_test`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `y_test`
[INFO] [stdout]   --> src/bin.rs:17:9
[INFO] [stdout]    |
[INFO] [stdout] 17 |     let y_test = Matrix::new(vec![vec![7, 8, 9]]);
[INFO] [stdout]    |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_y_test`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.30s
[INFO] running `Command { std: "docker" "inspect" "bb2809c0f19abfaf3d890261a5de995a2712f6c9e3f0689eea0181fd8c809ce9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bb2809c0f19abfaf3d890261a5de995a2712f6c9e3f0689eea0181fd8c809ce9", kill_on_drop: false }`
[INFO] [stdout] bb2809c0f19abfaf3d890261a5de995a2712f6c9e3f0689eea0181fd8c809ce9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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] [stdout] 49da0154e2fd58a3e0bccc46b751f398bfe470fed23b89564e38f15ea3dec404
[INFO] running `Command { std: "docker" "start" "-a" "49da0154e2fd58a3e0bccc46b751f398bfe470fed23b89564e38f15ea3dec404", kill_on_drop: false }`
[INFO] [stderr]    Compiling rux v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `x_test`
[INFO] [stdout]   --> src/bin.rs:16:9
[INFO] [stdout]    |
[INFO] [stdout] 16 |     let x_test = Matrix::new(vec![vec![3, 4, 5]]);
[INFO] [stdout]    |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_x_test`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `y_test`
[INFO] [stdout]   --> src/bin.rs:17:9
[INFO] [stdout]    |
[INFO] [stdout] 17 |     let y_test = Matrix::new(vec![vec![7, 8, 9]]);
[INFO] [stdout]    |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_y_test`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.76s
[INFO] running `Command { std: "docker" "inspect" "49da0154e2fd58a3e0bccc46b751f398bfe470fed23b89564e38f15ea3dec404", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "49da0154e2fd58a3e0bccc46b751f398bfe470fed23b89564e38f15ea3dec404", kill_on_drop: false }`
[INFO] [stdout] 49da0154e2fd58a3e0bccc46b751f398bfe470fed23b89564e38f15ea3dec404
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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] [stdout] 85f0cb5d87199858092691ec9a4d3bf1e8d5c6fdc907700049622d015875201d
[INFO] running `Command { std: "docker" "start" "-a" "85f0cb5d87199858092691ec9a4d3bf1e8d5c6fdc907700049622d015875201d", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `x_test`
[INFO] [stderr]   --> src/bin.rs:16:9
[INFO] [stderr]    |
[INFO] [stderr] 16 |     let x_test = Matrix::new(vec![vec![3, 4, 5]]);
[INFO] [stderr]    |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_x_test`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `y_test`
[INFO] [stderr]   --> src/bin.rs:17:9
[INFO] [stderr]    |
[INFO] [stderr] 17 |     let y_test = Matrix::new(vec![vec![7, 8, 9]]);
[INFO] [stderr]    |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_y_test`
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rux-9bae4aecef3c02a7)
[INFO] [stdout] 
[INFO] [stdout] running 14 tests
[INFO] [stdout] test tests::tests::create_f64_matrix ... ok
[INFO] [stdout] test tests::tests::create_i32_matrix ... ok
[INFO] [stdout] test tests::tests::create_u16_matrix ... ok
[INFO] [stdout] test tests::tests::create_i64_matrix ... ok
[INFO] [stdout] test tests::tests::create_i8_matrix ... ok
[INFO] [stdout] test tests::tests::create_u64_matrix ... ok
[INFO] [stdout] test tests::tests::create_u8_matrix ... ok
[INFO] [stdout] test tests::tests::create_u128_matrix ... ok
[INFO] [stdout] test tests::tests::create_usize_matrix ... ok
[INFO] [stdout] test tests::tests::create_f32_matrix ... ok
[INFO] [stdout] test tests::tests::create_i128_matrix ... ok
[INFO] [stdout] test tests::tests::create_isize_matrix ... ok
[INFO] [stdout] test tests::tests::create_i16_matrix ... ok
[INFO] [stdout] test tests::tests::create_u32_matrix ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 14 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.03s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rux-80fe1b8c963c22f2)
[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] [stderr]    Doc-tests rux
[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" "85f0cb5d87199858092691ec9a4d3bf1e8d5c6fdc907700049622d015875201d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "85f0cb5d87199858092691ec9a4d3bf1e8d5c6fdc907700049622d015875201d", kill_on_drop: false }`
[INFO] [stdout] 85f0cb5d87199858092691ec9a4d3bf1e8d5c6fdc907700049622d015875201d