[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 1.55.0 for beta-1.56-2
[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 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "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" "+1.55.0" "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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5755c0e0620f502042e36a752eb18b4aeaedb2213973e9de735de07141b3b614
[INFO] running `Command { std: "docker" "start" "-a" "5755c0e0620f502042e36a752eb18b4aeaedb2213973e9de735de07141b3b614", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5755c0e0620f502042e36a752eb18b4aeaedb2213973e9de735de07141b3b614", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5755c0e0620f502042e36a752eb18b4aeaedb2213973e9de735de07141b3b614", kill_on_drop: false }`
[INFO] [stdout] 5755c0e0620f502042e36a752eb18b4aeaedb2213973e9de735de07141b3b614
[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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6963838e15d5215758df32cfbd367e180cf04b6343fad12d3fe51c7ebc87d113
[INFO] running `Command { std: "docker" "start" "-a" "6963838e15d5215758df32cfbd367e180cf04b6343fad12d3fe51c7ebc87d113", 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 dev [unoptimized + debuginfo] target(s) in 2.64s
[INFO] running `Command { std: "docker" "inspect" "6963838e15d5215758df32cfbd367e180cf04b6343fad12d3fe51c7ebc87d113", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6963838e15d5215758df32cfbd367e180cf04b6343fad12d3fe51c7ebc87d113", kill_on_drop: false }`
[INFO] [stdout] 6963838e15d5215758df32cfbd367e180cf04b6343fad12d3fe51c7ebc87d113
[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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 484e34bf3f92c8cbaab4b61eb67e4813dfcc75d3b4489203d0f08a57e35a5c4d
[INFO] running `Command { std: "docker" "start" "-a" "484e34bf3f92c8cbaab4b61eb67e4813dfcc75d3b4489203d0f08a57e35a5c4d", 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 1.57s
[INFO] running `Command { std: "docker" "inspect" "484e34bf3f92c8cbaab4b61eb67e4813dfcc75d3b4489203d0f08a57e35a5c4d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "484e34bf3f92c8cbaab4b61eb67e4813dfcc75d3b4489203d0f08a57e35a5c4d", kill_on_drop: false }`
[INFO] [stdout] 484e34bf3f92c8cbaab4b61eb67e4813dfcc75d3b4489203d0f08a57e35a5c4d
[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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 14f72958f7f58c14ec1ba899c0f7146cbe12b0cbfbcf821c1f7097620b07c1a9
[INFO] running `Command { std: "docker" "start" "-a" "14f72958f7f58c14ec1ba899c0f7146cbe12b0cbfbcf821c1f7097620b07c1a9", 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: `rux` (bin "rux" test) generated 2 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rux-3f093f98b044a77a)
[INFO] [stdout] running 14 tests
[INFO] [stdout] test tests::tests::create_f32_matrix ... ok
[INFO] [stdout] test tests::tests::create_i32_matrix ... ok
[INFO] [stdout] test tests::tests::create_i64_matrix ... ok
[INFO] [stdout] test tests::tests::create_u64_matrix ... ok
[INFO] [stdout] test tests::tests::create_u32_matrix ... ok
[INFO] [stdout] test tests::tests::create_usize_matrix ... ok
[INFO] [stdout] test tests::tests::create_i128_matrix ... ok
[INFO] [stdout] test tests::tests::create_u128_matrix ... ok
[INFO] [stdout] test tests::tests::create_u16_matrix ... ok
[INFO] [stdout] test tests::tests::create_i16_matrix ... ok
[INFO] [stdout] test tests::tests::create_isize_matrix ... ok
[INFO] [stdout] test tests::tests::create_f64_matrix ... ok
[INFO] [stdout] test tests::tests::create_i8_matrix ... ok
[INFO] [stdout] test tests::tests::create_u8_matrix ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 14 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rux-51fd2965c0ff1341)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests rux
[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] [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" "14f72958f7f58c14ec1ba899c0f7146cbe12b0cbfbcf821c1f7097620b07c1a9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "14f72958f7f58c14ec1ba899c0f7146cbe12b0cbfbcf821c1f7097620b07c1a9", kill_on_drop: false }`
[INFO] [stdout] 14f72958f7f58c14ec1ba899c0f7146cbe12b0cbfbcf821c1f7097620b07c1a9