[INFO] fetching crate nml-matrix 0.4.1...
[INFO] testing nml-matrix-0.4.1 against try#0abe69e6c16114311cc2700e972492e64d69c28f for pr-154065-1
[INFO] extracting crate nml-matrix 0.4.1 into /workspace/builds/worker-3-tc2/source
[INFO] started tweaking crates.io crate nml-matrix 0.4.1
[INFO] finished tweaking crates.io crate nml-matrix 0.4.1
[INFO] tweaked toml for crates.io crate nml-matrix 0.4.1 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate nml-matrix 0.4.1 on toolchain 0abe69e6c16114311cc2700e972492e64d69c28f
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0abe69e6c16114311cc2700e972492e64d69c28f" "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" "+0abe69e6c16114311cc2700e972492e64d69c28f" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 16 packages to latest compatible versions
[INFO] [stderr]       Adding rand v0.8.5 (available: v0.10.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0abe69e6c16114311cc2700e972492e64d69c28f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+0abe69e6c16114311cc2700e972492e64d69c28f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 94c2d81e348ecaa716a33d70501f03bc6dd1a4b0d979b78594e7b0d808645d8c
[INFO] running `Command { std: "docker" "start" "-a" "94c2d81e348ecaa716a33d70501f03bc6dd1a4b0d979b78594e7b0d808645d8c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "94c2d81e348ecaa716a33d70501f03bc6dd1a4b0d979b78594e7b0d808645d8c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "94c2d81e348ecaa716a33d70501f03bc6dd1a4b0d979b78594e7b0d808645d8c", kill_on_drop: false }`
[INFO] [stdout] 94c2d81e348ecaa716a33d70501f03bc6dd1a4b0d979b78594e7b0d808645d8c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+0abe69e6c16114311cc2700e972492e64d69c28f" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] af636cc2d0202fcb86a48bf00a402c63c10cd42a0cd72ad9fcbe3aa35667a42e
[INFO] running `Command { std: "docker" "start" "-a" "af636cc2d0202fcb86a48bf00a402c63c10cd42a0cd72ad9fcbe3aa35667a42e", kill_on_drop: false }`
[INFO] [stderr]    Compiling nml-matrix v0.4.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around closure body
[INFO] [stdout]   --> src/matrix/mod.rs:74:55
[INFO] [stdout]    |
[INFO] [stdout] 74 |         let random_numbers: Vec<T> = (0..100).map(|_| (rng.gen_range(minimum..maximum))).collect();
[INFO] [stdout]    |                                                       ^                               ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 74 -         let random_numbers: Vec<T> = (0..100).map(|_| (rng.gen_range(minimum..maximum))).collect();
[INFO] [stdout] 74 +         let random_numbers: Vec<T> = (0..100).map(|_| rng.gen_range(minimum..maximum) ).collect();
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::matrix::NmlMatrix`
[INFO] [stdout]  --> src/lib.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use crate::matrix::NmlMatrix;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.30s
[INFO] running `Command { std: "docker" "inspect" "af636cc2d0202fcb86a48bf00a402c63c10cd42a0cd72ad9fcbe3aa35667a42e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "af636cc2d0202fcb86a48bf00a402c63c10cd42a0cd72ad9fcbe3aa35667a42e", kill_on_drop: false }`
[INFO] [stdout] af636cc2d0202fcb86a48bf00a402c63c10cd42a0cd72ad9fcbe3aa35667a42e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+0abe69e6c16114311cc2700e972492e64d69c28f" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 91870dfe4d23e82f98a37430d6b2af0ffb03a742c56ead5e131b0197daac3408
[INFO] running `Command { std: "docker" "start" "-a" "91870dfe4d23e82f98a37430d6b2af0ffb03a742c56ead5e131b0197daac3408", kill_on_drop: false }`
[INFO] [stderr]    Compiling nml-matrix v0.4.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around closure body
[INFO] [stdout]   --> src/matrix/mod.rs:74:55
[INFO] [stdout]    |
[INFO] [stdout] 74 |         let random_numbers: Vec<T> = (0..100).map(|_| (rng.gen_range(minimum..maximum))).collect();
[INFO] [stdout]    |                                                       ^                               ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 74 -         let random_numbers: Vec<T> = (0..100).map(|_| (rng.gen_range(minimum..maximum))).collect();
[INFO] [stdout] 74 +         let random_numbers: Vec<T> = (0..100).map(|_| rng.gen_range(minimum..maximum) ).collect();
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::matrix::NmlMatrix`
[INFO] [stdout]  --> src/lib.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use crate::matrix::NmlMatrix;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around closure body
[INFO] [stdout]   --> src/matrix/mod.rs:74:55
[INFO] [stdout]    |
[INFO] [stdout] 74 |         let random_numbers: Vec<T> = (0..100).map(|_| (rng.gen_range(minimum..maximum))).collect();
[INFO] [stdout]    |                                                       ^                               ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 74 -         let random_numbers: Vec<T> = (0..100).map(|_| (rng.gen_range(minimum..maximum))).collect();
[INFO] [stdout] 74 +         let random_numbers: Vec<T> = (0..100).map(|_| rng.gen_range(minimum..maximum) ).collect();
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/lib.rs:142:9
[INFO] [stdout]     |
[INFO] [stdout] 142 |         matrix.set_value(0, 0, 0_f64);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 142 |         let _ = matrix.set_value(0, 0, 0_f64);
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/lib.rs:153:9
[INFO] [stdout]     |
[INFO] [stdout] 153 |         matrix.set_value(0, 0, 0_f64);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 153 |         let _ = matrix.set_value(0, 0, 0_f64);
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.73s
[INFO] running `Command { std: "docker" "inspect" "91870dfe4d23e82f98a37430d6b2af0ffb03a742c56ead5e131b0197daac3408", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "91870dfe4d23e82f98a37430d6b2af0ffb03a742c56ead5e131b0197daac3408", kill_on_drop: false }`
[INFO] [stdout] 91870dfe4d23e82f98a37430d6b2af0ffb03a742c56ead5e131b0197daac3408
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+0abe69e6c16114311cc2700e972492e64d69c28f" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] d53daaaf00bb212fc1c751d42bc1d354e221afbbbec6d2d246bd8769b2e95ab0
[INFO] running `Command { std: "docker" "start" "-a" "d53daaaf00bb212fc1c751d42bc1d354e221afbbbec6d2d246bd8769b2e95ab0", kill_on_drop: false }`
[INFO] [stderr] warning: unnecessary parentheses around closure body
[INFO] [stderr]   --> src/matrix/mod.rs:74:55
[INFO] [stderr]    |
[INFO] [stderr] 74 |         let random_numbers: Vec<T> = (0..100).map(|_| (rng.gen_range(minimum..maximum))).collect();
[INFO] [stderr]    |                                                       ^                               ^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr] 74 -         let random_numbers: Vec<T> = (0..100).map(|_| (rng.gen_range(minimum..maximum))).collect();
[INFO] [stderr] 74 +         let random_numbers: Vec<T> = (0..100).map(|_| rng.gen_range(minimum..maximum) ).collect();
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `crate::matrix::NmlMatrix`
[INFO] [stderr]  --> src/lib.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use crate::matrix::NmlMatrix;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]    --> src/lib.rs:142:9
[INFO] [stderr]     |
[INFO] [stderr] 142 |         matrix.set_value(0, 0, 0_f64);
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]     = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 142 |         let _ = matrix.set_value(0, 0, 0_f64);
[INFO] [stderr]     |         +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]    --> src/lib.rs:153:9
[INFO] [stderr]     |
[INFO] [stderr] 153 |         matrix.set_value(0, 0, 0_f64);
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 153 |         let _ = matrix.set_value(0, 0, 0_f64);
[INFO] [stderr]     |         +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: `nml-matrix` (lib) generated 2 warnings (run `cargo fix --lib -p nml-matrix` to apply 2 suggestions)
[INFO] [stderr] warning: `nml-matrix` (lib test) generated 3 warnings (1 duplicate)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/nml_matrix-e870aac8a5b286cf)
[INFO] [stdout] 
[INFO] [stdout] running 29 tests
[INFO] [stdout] test tests::add_rows ... ok
[INFO] [stdout] test tests::add_matrix ... ok
[INFO] [stdout] test tests::get_row_equality ... ok
[INFO] [stdout] test tests::data_2d ... ok
[INFO] [stdout] test tests::get_column_equal ... ok
[INFO] [stdout] test tests::mul_naive ... ok
[INFO] [stdout] test tests::mul_transpose ... ok
[INFO] [stdout] test tests::multiply_column_scalar ... ok
[INFO] [stdout] test tests::multiply_matrix_scalar ... ok
[INFO] [stdout] test tests::multiply_row_scalar ... ok
[INFO] [stdout] test tests::nml_identity_and_matrix_equality ... ok
[INFO] [stdout] test tests::nml_identity_and_matrix_equality_in_tolerance ... ok
[INFO] [stdout] test tests::nml_identity_and_matrix_inequality ... ok
[INFO] [stdout] test tests::remove_row ... ok
[INFO] [stdout] test tests::set_value_equality ... ok
[INFO] [stdout] test tests::rnd_matrix_tolerance_inequality ... ok
[INFO] [stdout] test tests::copy_matrix_equality ... ok
[INFO] [stdout] test tests::transpose ... ok
[INFO] [stdout] test tests::set_value_inqality ... ok
[INFO] [stdout] test tests::rnd_matrix_tolerance_equality ... ok
[INFO] [stdout] test tests::set_diagonal_values_equality ... ok
[INFO] [stdout] test tests::set_all_values_ineqality ... ok
[INFO] [stdout] test tests::copy_matrix_inequality ... ok
[INFO] [stdout] test tests::swap_row ... ok
[INFO] [stdout] test tests::set_all_values_equality ... ok
[INFO] [stdout] test tests::get_column_unequal ... ok
[INFO] [stdout] test tests::get_column_invalid ... ok
[INFO] [stdout] test tests::remove_column ... ok
[INFO] [stdout] test tests::get_row_inequality ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 29 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests nml_matrix
[INFO] [stderr] warning: unnecessary parentheses around closure body
[INFO] [stderr]   --> src/matrix/mod.rs:74:55
[INFO] [stderr]    |
[INFO] [stderr] 74 |         let random_numbers: Vec<T> = (0..100).map(|_| (rng.gen_range(minimum..maximum))).collect();
[INFO] [stderr]    |                                                       ^                               ^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr] 74 -         let random_numbers: Vec<T> = (0..100).map(|_| (rng.gen_range(minimum..maximum))).collect();
[INFO] [stderr] 74 +         let random_numbers: Vec<T> = (0..100).map(|_| rng.gen_range(minimum..maximum) ).collect();
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stderr] 
[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" "d53daaaf00bb212fc1c751d42bc1d354e221afbbbec6d2d246bd8769b2e95ab0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d53daaaf00bb212fc1c751d42bc1d354e221afbbbec6d2d246bd8769b2e95ab0", kill_on_drop: false }`
[INFO] [stdout] d53daaaf00bb212fc1c751d42bc1d354e221afbbbec6d2d246bd8769b2e95ab0
