[INFO] fetching crate matrix_algebra 0.1.0...
[INFO] testing matrix_algebra-0.1.0 against try#b83b707f97d809763b7861afa7638871f3339a33 for pr-145838-1
[INFO] extracting crate matrix_algebra 0.1.0 into /workspace/builds/worker-2-tc2/source
[INFO] started tweaking crates.io crate matrix_algebra 0.1.0
[INFO] finished tweaking crates.io crate matrix_algebra 0.1.0
[INFO] tweaked toml for crates.io crate matrix_algebra 0.1.0 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate matrix_algebra 0.1.0 on toolchain b83b707f97d809763b7861afa7638871f3339a33
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate matrix_algebra 0.1.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 26f5e9ddc53d63a4f1e7ca7871512a075576661dc5d251ce84f0b028d7b4e805
[INFO] running `Command { std: "docker" "start" "-a" "26f5e9ddc53d63a4f1e7ca7871512a075576661dc5d251ce84f0b028d7b4e805", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "26f5e9ddc53d63a4f1e7ca7871512a075576661dc5d251ce84f0b028d7b4e805", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "26f5e9ddc53d63a4f1e7ca7871512a075576661dc5d251ce84f0b028d7b4e805", kill_on_drop: false }`
[INFO] [stdout] 26f5e9ddc53d63a4f1e7ca7871512a075576661dc5d251ce84f0b028d7b4e805
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 673d940615e0b85f8239e53b45648a601f5f17c0eb056e93f5036ceddc5c526e
[INFO] running `Command { std: "docker" "start" "-a" "673d940615e0b85f8239e53b45648a601f5f17c0eb056e93f5036ceddc5c526e", kill_on_drop: false }`
[INFO] [stderr]    Compiling matrix_algebra v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.03s
[INFO] running `Command { std: "docker" "inspect" "673d940615e0b85f8239e53b45648a601f5f17c0eb056e93f5036ceddc5c526e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "673d940615e0b85f8239e53b45648a601f5f17c0eb056e93f5036ceddc5c526e", kill_on_drop: false }`
[INFO] [stdout] 673d940615e0b85f8239e53b45648a601f5f17c0eb056e93f5036ceddc5c526e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bc5f4228364b264ef007858b7cab19cb749428bb6036d10075f803a858f874c8
[INFO] running `Command { std: "docker" "start" "-a" "bc5f4228364b264ef007858b7cab19cb749428bb6036d10075f803a858f874c8", kill_on_drop: false }`
[INFO] [stderr]    Compiling matrix_algebra v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of a double negation
[INFO] [stdout]   --> src/matrix/matrix_neg.rs:34:16
[INFO] [stdout]    |
[INFO] [stdout] 34 |     assert_eq!(--&m1, Matrix::create_from_data(vec![1, 0, 0, 1], 2, 2));
[INFO] [stdout]    |                ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: the prefix `--` could be misinterpreted as a decrement operator which exists in other languages
[INFO] [stdout]    = note: use `-= 1` if you meant to decrement the value
[INFO] [stdout]    = note: `#[warn(double_negations)]` on by default
[INFO] [stdout] help: add parentheses for clarity
[INFO] [stdout]    |
[INFO] [stdout] 34 |     assert_eq!(-(-&m1), Matrix::create_from_data(vec![1, 0, 0, 1], 2, 2));
[INFO] [stdout]    |                 +    +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of a double negation
[INFO] [stdout]   --> src/matrix/matrix_neg.rs:34:16
[INFO] [stdout]    |
[INFO] [stdout] 34 |     assert_eq!(--&m1, Matrix::create_from_data(vec![1, 0, 0, 1], 2, 2));
[INFO] [stdout]    |                ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: the prefix `--` could be misinterpreted as a decrement operator which exists in other languages
[INFO] [stdout]    = note: use `-= 1` if you meant to decrement the value
[INFO] [stdout]    = note: `#[warn(double_negations)]` on by default
[INFO] [stdout] help: add parentheses for clarity
[INFO] [stdout]    |
[INFO] [stdout] 34 |     assert_eq!(-(-&m1), Matrix::create_from_data(vec![1, 0, 0, 1], 2, 2));
[INFO] [stdout]    |                 +    +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.68s
[INFO] running `Command { std: "docker" "inspect" "bc5f4228364b264ef007858b7cab19cb749428bb6036d10075f803a858f874c8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bc5f4228364b264ef007858b7cab19cb749428bb6036d10075f803a858f874c8", kill_on_drop: false }`
[INFO] [stdout] bc5f4228364b264ef007858b7cab19cb749428bb6036d10075f803a858f874c8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 41c184032a0f1e777ddb90d836a7bbf7b9d5ad191cdc31c39e7bd75a6bc49189
[INFO] running `Command { std: "docker" "start" "-a" "41c184032a0f1e777ddb90d836a7bbf7b9d5ad191cdc31c39e7bd75a6bc49189", kill_on_drop: false }`
[INFO] [stderr] warning: use of a double negation
[INFO] [stderr]   --> src/matrix/matrix_neg.rs:34:16
[INFO] [stderr]    |
[INFO] [stderr] 34 |     assert_eq!(--&m1, Matrix::create_from_data(vec![1, 0, 0, 1], 2, 2));
[INFO] [stderr]    |                ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: the prefix `--` could be misinterpreted as a decrement operator which exists in other languages
[INFO] [stderr]    = note: use `-= 1` if you meant to decrement the value
[INFO] [stderr]    = note: `#[warn(double_negations)]` on by default
[INFO] [stderr] help: add parentheses for clarity
[INFO] [stderr]    |
[INFO] [stderr] 34 |     assert_eq!(-(-&m1), Matrix::create_from_data(vec![1, 0, 0, 1], 2, 2));
[INFO] [stderr]    |                 +    +
[INFO] [stderr] 
[INFO] [stderr] warning: `matrix_algebra` (bin "matrix_algebra" test) generated 1 warning
[INFO] [stderr] warning: `matrix_algebra` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/matrix_algebra-62d6705b1aaa3261)
[INFO] [stdout] 
[INFO] [stdout] running 41 tests
[INFO] [stdout] test matrix::func_apply::tests::test_func_apply_1 ... ok
[INFO] [stdout] test matrix::func_apply::tests::test_func_apply_3 ... ok
[INFO] [stdout] test matrix::func_apply::tests::test_func_apply_4 ... ok
[INFO] [stdout] test matrix::matrix_add::tests::test_add_1 ... ok
[INFO] [stdout] test matrix::matrix_add::tests::test_add_2 ... ok
[INFO] [stdout] test matrix::matrix_div::tests::test_div_2 ... ok
[INFO] [stdout] test matrix::func_apply::tests::test_func_apply_2 ... ok
[INFO] [stdout] test matrix::matrix_mul::tests::test_mul_1 ... ok
[INFO] [stdout] test matrix::matrix_mul::tests::test_mul_2 ... ok
[INFO] [stdout] test matrix::matrix_div::tests::tes_div_3 ... ok
[INFO] [stdout] test matrix::matrix_div::tests::tes_div_4 ... ok
[INFO] [stdout] test matrix::matrix_mul::tests::test_mul_4 ... ok
[INFO] [stdout] test matrix::matrix_mul::tests::test_mul_5 ... ok
[INFO] [stdout] test matrix::matrix_neg::tests::test_neg_1 ... ok
[INFO] [stdout] test matrix::matrix_neg::tests::test_neg_2 ... ok
[INFO] [stdout] test matrix::matrix_rem::tests::tes_rem_4 ... ok
[INFO] [stdout] test matrix::matrix_rem::tests::tes_rem_3 ... ok
[INFO] [stdout] test matrix::matrix_rem::tests::test_rem_2 ... ok
[INFO] [stdout] test matrix::matrix_rem::tests::test_rem_1 ... ok
[INFO] [stdout] test matrix::matrix_scalar_mul::tests::test_scalar_mul_3 ... ok
[INFO] [stdout] test matrix::matrix_scalar_mul::tests::test_scalar_mul_1 ... ok
[INFO] [stdout] test matrix::matrix_scalar_mul::tests::test_scalar_mul_4 ... ok
[INFO] [stdout] test matrix::matrix_scalar_mul::tests::test_scalar_mul_2 ... ok
[INFO] [stdout] test matrix::matrix_scalar_mul::tests::test_scalar_mul_7 ... ok
[INFO] [stdout] test matrix::matrix_scalar_mul::tests::test_scalar_mul_6 ... ok
[INFO] [stdout] test matrix::matrix_sub::tests::test_sub_1 ... ok
[INFO] [stdout] test matrix::matrix_scalar_mul::tests::test_scalar_mul_5 ... ok
[INFO] [stdout] test matrix::matrix_sub::tests::test_sub_4 ... ok
[INFO] [stdout] test matrix::matrix_sub::tests::test_sub_2 ... ok
[INFO] [stdout] test matrix::matrix_sub::tests::test_sub_3 ... ok
[INFO] [stdout] test matrix::tests::test_get_col_1 ... ok
[INFO] [stdout] test matrix::tests::test_get_row_2 ... ok
[INFO] [stdout] test matrix::tests::test_get_row_1 ... ok
[INFO] [stdout] test matrix::tests::test_get_col_2 ... ok
[INFO] [stdout] test matrix::tests::test_iter ... ok
[INFO] [stdout] test matrix::tests::test_iter_mut ... ok
[INFO] [stdout] test matrix::tests::test_trans ... ok
[INFO] [stdout] test matrix::matrix_mul::tests::test_mul_3 ... ok
[INFO] [stdout] test matrix::matrix_add::tests::test_add_4 ... ok
[INFO] [stdout] test matrix::matrix_div::tests::test_div_1 ... ok
[INFO] [stdout] test matrix::matrix_add::tests::test_add_3 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 41 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/matrix_algebra-7dd69e1c0b1da0f3)
[INFO] [stdout] 
[INFO] [stdout] running 41 tests
[INFO] [stdout] test matrix::func_apply::tests::test_func_apply_2 ... ok
[INFO] [stdout] test matrix::func_apply::tests::test_func_apply_4 ... ok
[INFO] [stdout] test matrix::matrix_add::tests::test_add_1 ... ok
[INFO] [stdout] test matrix::matrix_add::tests::test_add_3 ... ok
[INFO] [stdout] test matrix::matrix_div::tests::tes_div_3 ... ok
[INFO] [stdout] test matrix::matrix_div::tests::test_div_1 ... ok
[INFO] [stdout] test matrix::matrix_mul::tests::test_mul_1 ... ok
[INFO] [stdout] test matrix::matrix_div::tests::test_div_2 ... ok
[INFO] [stdout] test matrix::matrix_mul::tests::test_mul_2 ... ok
[INFO] [stdout] test matrix::matrix_mul::tests::test_mul_4 ... ok
[INFO] [stdout] test matrix::matrix_add::tests::test_add_4 ... ok
[INFO] [stdout] test matrix::matrix_mul::tests::test_mul_5 ... ok
[INFO] [stdout] test matrix::matrix_mul::tests::test_mul_3 ... ok
[INFO] [stdout] test matrix::matrix_neg::tests::test_neg_2 ... ok
[INFO] [stdout] test matrix::matrix_div::tests::tes_div_4 ... ok
[INFO] [stdout] test matrix::matrix_neg::tests::test_neg_1 ... ok
[INFO] [stdout] test matrix::matrix_rem::tests::test_rem_2 ... ok
[INFO] [stdout] test matrix::matrix_rem::tests::test_rem_1 ... ok
[INFO] [stdout] test matrix::matrix_scalar_mul::tests::test_scalar_mul_1 ... ok
[INFO] [stdout] test matrix::matrix_scalar_mul::tests::test_scalar_mul_2 ... ok
[INFO] [stdout] test matrix::matrix_scalar_mul::tests::test_scalar_mul_3 ... ok
[INFO] [stdout] test matrix::matrix_scalar_mul::tests::test_scalar_mul_4 ... ok
[INFO] [stdout] test matrix::matrix_scalar_mul::tests::test_scalar_mul_5 ... ok
[INFO] [stdout] test matrix::matrix_scalar_mul::tests::test_scalar_mul_6 ... ok
[INFO] [stdout] test matrix::matrix_scalar_mul::tests::test_scalar_mul_7 ... ok
[INFO] [stdout] test matrix::matrix_sub::tests::test_sub_1 ... ok
[INFO] [stdout] test matrix::matrix_sub::tests::test_sub_2 ... ok
[INFO] [stdout] test matrix::matrix_sub::tests::test_sub_3 ... ok
[INFO] [stdout] test matrix::matrix_sub::tests::test_sub_4 ... ok
[INFO] [stdout] test matrix::tests::test_get_col_1 ... ok
[INFO] [stdout] test matrix::tests::test_get_col_2 ... ok
[INFO] [stdout] test matrix::tests::test_get_row_1 ... ok
[INFO] [stdout] test matrix::tests::test_get_row_2 ... ok
[INFO] [stdout] test matrix::tests::test_iter ... ok
[INFO] [stdout] test matrix::tests::test_trans ... ok
[INFO] [stdout] test matrix::func_apply::tests::test_func_apply_1 ... ok
[INFO] [stderr]    Doc-tests matrix_algebra
[INFO] [stdout] test matrix::func_apply::tests::test_func_apply_3 ... ok
[INFO] [stdout] test matrix::matrix_add::tests::test_add_2 ... ok
[INFO] [stdout] test matrix::matrix_rem::tests::tes_rem_3 ... ok
[INFO] [stdout] test matrix::matrix_rem::tests::tes_rem_4 ... ok
[INFO] [stdout] test matrix::tests::test_iter_mut ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 41 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test src/lib.rs - (line 50) ... ok
[INFO] [stdout] test src/lib.rs - (line 11) ... ok
[INFO] [stdout] test src/lib.rs - (line 20) ... ok
[INFO] [stdout] test src/lib.rs - (line 33) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.70s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "41c184032a0f1e777ddb90d836a7bbf7b9d5ad191cdc31c39e7bd75a6bc49189", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "41c184032a0f1e777ddb90d836a7bbf7b9d5ad191cdc31c39e7bd75a6bc49189", kill_on_drop: false }`
[INFO] [stdout] 41c184032a0f1e777ddb90d836a7bbf7b9d5ad191cdc31c39e7bd75a6bc49189