[INFO] fetching crate ralgeb 0.1.0...
[INFO] testing ralgeb-0.1.0 against try#c2e32f1c9652b13ed99608599c1e855462f421f3 for pr-146098-8
[INFO] extracting crate ralgeb 0.1.0 into /workspace/builds/worker-5-tc2/source
[INFO] started tweaking crates.io crate ralgeb 0.1.0
[INFO] finished tweaking crates.io crate ralgeb 0.1.0
[INFO] tweaked toml for crates.io crate ralgeb 0.1.0 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate ralgeb 0.1.0 on toolchain c2e32f1c9652b13ed99608599c1e855462f421f3
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "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" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5258cc5956012a553a59e0780b2c926c7b2af118c1f0041261342891e3f7235e
[INFO] running `Command { std: "docker" "start" "-a" "5258cc5956012a553a59e0780b2c926c7b2af118c1f0041261342891e3f7235e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5258cc5956012a553a59e0780b2c926c7b2af118c1f0041261342891e3f7235e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5258cc5956012a553a59e0780b2c926c7b2af118c1f0041261342891e3f7235e", kill_on_drop: false }`
[INFO] [stdout] 5258cc5956012a553a59e0780b2c926c7b2af118c1f0041261342891e3f7235e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d9b84d7f44038fb0f5bf0dff975efeaa926636c074df4dc0cac0dd73f1c3d47b
[INFO] running `Command { std: "docker" "start" "-a" "d9b84d7f44038fb0f5bf0dff975efeaa926636c074df4dc0cac0dd73f1c3d47b", kill_on_drop: false }`
[INFO] [stderr]    Compiling ralgeb v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `cause` is never read
[INFO] [stdout]   --> src/matrix.rs:31:5
[INFO] [stdout]    |
[INFO] [stdout] 30 | pub struct ErrorCause {
[INFO] [stdout]    |            ---------- field in this struct
[INFO] [stdout] 31 |     cause: String,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `ErrorCause` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.26s
[INFO] running `Command { std: "docker" "inspect" "d9b84d7f44038fb0f5bf0dff975efeaa926636c074df4dc0cac0dd73f1c3d47b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d9b84d7f44038fb0f5bf0dff975efeaa926636c074df4dc0cac0dd73f1c3d47b", kill_on_drop: false }`
[INFO] [stdout] d9b84d7f44038fb0f5bf0dff975efeaa926636c074df4dc0cac0dd73f1c3d47b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 53b98535f1b531b790be0b744396f9d1d86408f9ed93f4a34ed9be7d5a3182cb
[INFO] running `Command { std: "docker" "start" "-a" "53b98535f1b531b790be0b744396f9d1d86408f9ed93f4a34ed9be7d5a3182cb", kill_on_drop: false }`
[INFO] [stderr]    Compiling ralgeb v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `cause` is never read
[INFO] [stdout]   --> src/matrix.rs:31:5
[INFO] [stdout]    |
[INFO] [stdout] 30 | pub struct ErrorCause {
[INFO] [stdout]    |            ---------- field in this struct
[INFO] [stdout] 31 |     cause: String,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `ErrorCause` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `cause` is never read
[INFO] [stdout]   --> src/matrix.rs:31:5
[INFO] [stdout]    |
[INFO] [stdout] 30 | pub struct ErrorCause {
[INFO] [stdout]    |            ---------- field in this struct
[INFO] [stdout] 31 |     cause: String,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `ErrorCause` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.64s
[INFO] running `Command { std: "docker" "inspect" "53b98535f1b531b790be0b744396f9d1d86408f9ed93f4a34ed9be7d5a3182cb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "53b98535f1b531b790be0b744396f9d1d86408f9ed93f4a34ed9be7d5a3182cb", kill_on_drop: false }`
[INFO] [stdout] 53b98535f1b531b790be0b744396f9d1d86408f9ed93f4a34ed9be7d5a3182cb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 2572f0e32d08ecf07e4cd845a21b4f5140e9bcf4a8717629a3006b10db7dbd89
[INFO] running `Command { std: "docker" "start" "-a" "2572f0e32d08ecf07e4cd845a21b4f5140e9bcf4a8717629a3006b10db7dbd89", kill_on_drop: false }`
[INFO] [stderr] warning: field `cause` is never read
[INFO] [stderr]   --> src/matrix.rs:31:5
[INFO] [stderr]    |
[INFO] [stderr] 30 | pub struct ErrorCause {
[INFO] [stderr]    |            ---------- field in this struct
[INFO] [stderr] 31 |     cause: String,
[INFO] [stderr]    |     ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `ErrorCause` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `ralgeb` (lib) generated 1 warning
[INFO] [stderr] warning: `ralgeb` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/ralgeb-0e851f6b9b280dfd)
[INFO] [stdout] 
[INFO] [stdout] running 24 tests
[INFO] [stdout] test circle::tests::area ... ok
[INFO] [stdout] test circle::tests::circumference ... ok
[INFO] [stdout] test combinatorics::tests::combinations ... ok
[INFO] [stdout] test combinatorics::tests::permutation ... ok
[INFO] [stdout] test circle::tests::new_circle ... ok
[INFO] [stdout] test combinatorics::tests::fact ... ok
[INFO] [stdout] test line::tests::theta ... ok
[INFO] [stdout] test line::tests::line_length ... ok
[INFO] [stdout] test matrix::tests::add_matrix ... ok
[INFO] [stdout] test matrix::tests::identity ... ok
[INFO] [stdout] test matrix::tests::get_row ... ok
[INFO] [stdout] test matrix::tests::get_principal ... ok
[INFO] [stdout] test matrix::tests::multiply ... ok
[INFO] [stdout] test matrix::tests::new_mat ... ok
[INFO] [stdout] test matrix::tests::scalar_mat_mul ... ok
[INFO] [stdout] test matrix::tests::scalar_row_mul ... ok
[INFO] [stdout] test matrix::tests::new_zero_matrix ... ok
[INFO] [stdout] test matrix::tests::transpose ... ok
[INFO] [stdout] test point::tests::get_origin ... ok
[INFO] [stdout] test matrix::tests::replace_row ... ok
[INFO] [stdout] test point::tests::point_new ... ok
[INFO] [stdout] test line::tests::new_line ... ok
[INFO] [stdout] test line::tests::slope ... ok
[INFO] [stdout] test matrix::tests::subtract_matrix ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 24 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests ralgeb
[INFO] [stdout] 
[INFO] [stdout] running 28 tests
[INFO] [stdout] test src/circle.rs - circle::Circle::area (line 41) ... ok
[INFO] [stdout] test src/combinatorics.rs - combinatorics::fact (line 6) ... ok
[INFO] [stdout] test src/combinatorics.rs - combinatorics::permutation (line 25) ... ok
[INFO] [stdout] test src/line.rs - line::Line::length (line 38) ... ok
[INFO] [stdout] test src/circle.rs - circle::Circle::circumference (line 29) ... ok
[INFO] [stdout] test src/circle.rs - circle::Circle::new (line 17) ... ok
[INFO] [stdout] test src/line.rs - line::Line::slope (line 56) ... ok
[INFO] [stdout] test src/line.rs - line::Line::new (line 24) ... ok
[INFO] [stdout] test src/combinatorics.rs - combinatorics::combinations (line 51) ... ok
[INFO] [stdout] test src/line.rs - line::Line::theta (line 71) ... ok
[INFO] [stdout] test src/matrix.rs - matrix::Matrix::dot_product (line 494) ... ok
[INFO] [stdout] test src/matrix.rs - matrix::Matrix::add (line 269) ... ok
[INFO] [stdout] test src/matrix.rs - matrix::Matrix::get_col (line 469) ... ok
[INFO] [stdout] test src/matrix.rs - matrix::Matrix::get_principal (line 153) ... ok
[INFO] [stdout] test src/matrix.rs - matrix::Matrix::identity (line 109) ... ok
[INFO] [stdout] test src/matrix.rs - matrix::Matrix::new (line 50) ... ok
[INFO] [stdout] test src/matrix.rs - matrix::Matrix::is_square (line 138) ... ok
[INFO] [stdout] test src/matrix.rs - matrix::Matrix::multiply (line 439) ... ok
[INFO] [stdout] test src/matrix.rs - matrix::Matrix::get_row (line 413) ... ok
[INFO] [stdout] test src/matrix.rs - matrix::Matrix::new_mat (line 79) ... ok
[INFO] [stdout] test src/point.rs - point::Point::new (line 25) ... ok
[INFO] [stdout] test src/matrix.rs - matrix::Matrix::replace_row (line 192) ... ok
[INFO] [stdout] test src/matrix.rs - matrix::Matrix::scalar_row_mul (line 228) ... ok
[INFO] [stdout] test src/matrix.rs - matrix::Matrix::scalar_mat_mul (line 378) ... ok
[INFO] [stdout] test src/matrix.rs - matrix::Matrix::transpose (line 349) ... ok
[INFO] [stdout] test src/point.rs - point::Point::get_origin_point (line 34) ... ok
[INFO] [stdout] test src/matrix.rs - matrix::Matrix::subtract (line 311) ... ok
[INFO] [stdout] test src/utils.rs - utils::delta_coord (line 8) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 28 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.84s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "2572f0e32d08ecf07e4cd845a21b4f5140e9bcf4a8717629a3006b10db7dbd89", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2572f0e32d08ecf07e4cd845a21b4f5140e9bcf4a8717629a3006b10db7dbd89", kill_on_drop: false }`
[INFO] [stdout] 2572f0e32d08ecf07e4cd845a21b4f5140e9bcf4a8717629a3006b10db7dbd89