[INFO] cloning repository https://github.com/Technius/matrops
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Technius/matrops" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTechnius%2Fmatrops", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTechnius%2Fmatrops'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 0fca0a917404b9118c5cce6b565d680b4cbd8239
[INFO] checking Technius/matrops against master#e6e4f7ed1589e03bc2f6c5931c1a72e7947e8682 for beta-170-4
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTechnius%2Fmatrops" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Technius/matrops on toolchain e6e4f7ed1589e03bc2f6c5931c1a72e7947e8682
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+e6e4f7ed1589e03bc2f6c5931c1a72e7947e8682" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Technius/matrops
[INFO] finished tweaking git repo https://github.com/Technius/matrops
[INFO] tweaked toml for git repo https://github.com/Technius/matrops written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/Technius/matrops 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" "+e6e4f7ed1589e03bc2f6c5931c1a72e7947e8682" "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@sha256:19e73879b68f455e41552ea35293514db52ea292d993f571636dbffedb77a1ee" "/opt/rustwide/cargo-home/bin/cargo" "+e6e4f7ed1589e03bc2f6c5931c1a72e7947e8682" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c456148f10404a87ded30030dafc1dd7d9ffaba0820567fb011009af58cf74d7
[INFO] running `Command { std: "docker" "start" "-a" "c456148f10404a87ded30030dafc1dd7d9ffaba0820567fb011009af58cf74d7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c456148f10404a87ded30030dafc1dd7d9ffaba0820567fb011009af58cf74d7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c456148f10404a87ded30030dafc1dd7d9ffaba0820567fb011009af58cf74d7", kill_on_drop: false }`
[INFO] [stdout] c456148f10404a87ded30030dafc1dd7d9ffaba0820567fb011009af58cf74d7
[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@sha256:19e73879b68f455e41552ea35293514db52ea292d993f571636dbffedb77a1ee" "/opt/rustwide/cargo-home/bin/cargo" "+e6e4f7ed1589e03bc2f6c5931c1a72e7947e8682" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9981d1ca052fab9692b1f2f7ab4634fc88d5f26c4203c3623c00b3bf7eb72689
[INFO] running `Command { std: "docker" "start" "-a" "9981d1ca052fab9692b1f2f7ab4634fc88d5f26c4203c3623c00b3bf7eb72689", kill_on_drop: false }`
[INFO] [stderr]     Checking num-traits v0.1.40
[INFO] [stderr]     Checking libc v0.2.33
[INFO] [stderr]     Checking rustc-serialize v0.3.24
[INFO] [stderr]    Compiling pkg-config v0.3.9
[INFO] [stderr]    Compiling gcc v0.3.54
[INFO] [stderr]     Checking serde v1.0.21
[INFO] [stderr]     Checking stable_deref_trait v1.0.0
[INFO] [stderr]     Checking unicode-width v0.1.4
[INFO] [stderr]     Checking owning_ref v0.3.3
[INFO] [stderr]     Checking odds v0.2.25
[INFO] [stderr]     Checking log v0.3.8
[INFO] [stderr]     Checking unicode-segmentation v1.2.0
[INFO] [stderr]     Checking rand v0.3.18
[INFO] [stderr]     Checking num-integer v0.1.35
[INFO] [stderr]    Compiling ncurses v5.86.0
[INFO] [stderr]     Checking num-iter v0.1.34
[INFO] [stderr]     Checking num-bigint v0.1.40
[INFO] [stderr]     Checking num-complex v0.1.40
[INFO] [stderr]     Checking num-rational v0.1.40
[INFO] [stderr]     Checking toml v0.4.5
[INFO] [stderr]     Checking num v0.1.40
[INFO] [stderr]     Checking cursive v0.7.4
[INFO] [stderr]     Checking matrixops v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> tests/matrix_test.rs:28:5
[INFO] [stdout]    |
[INFO] [stdout] 28 |     m1.set_row(1, &[1, 2, 3]);
[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)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 28 |     let _ = m1.set_row(1, &[1, 2, 3]);
[INFO] [stdout]    |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> tests/matrix_test.rs:43:5
[INFO] [stdout]    |
[INFO] [stdout] 43 |     m1.row_foreach(1, |x| x + 1);
[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] 43 |     let _ = m1.row_foreach(1, |x| x + 1);
[INFO] [stdout]    |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> tests/matrix_test.rs:51:5
[INFO] [stdout]    |
[INFO] [stdout] 51 |     m2.row_foreach(2, |x| x * 2);
[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] 51 |     let _ = m2.row_foreach(2, |x| x * 2);
[INFO] [stdout]    |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> src/bin/main.rs:92:9
[INFO] [stdout]    |
[INFO] [stdout] 92 | /         s.call_on_id("matrix_view", |view: &mut MatrixView<Ratio<i64>>| {
[INFO] [stdout] 93 | |             // FIXME: error dialog
[INFO] [stdout] 94 | |             let _ = view.apply_command(Command::ScaleRow {
[INFO] [stdout] 95 | |                 coeff: coeff,
[INFO] [stdout] 96 | |                 row: row
[INFO] [stdout] 97 | |             });
[INFO] [stdout] 98 | |         });
[INFO] [stdout]    | |          ^- help: consider using a semicolon here
[INFO] [stdout]    | |__________|
[INFO] [stdout]    |            expected `()`, found `Option<()>`
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected unit type `()`
[INFO] [stdout]                    found enum `Option<()>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> src/bin/main.rs:92:9
[INFO] [stdout]    |
[INFO] [stdout] 92 | /         s.call_on_id("matrix_view", |view: &mut MatrixView<Ratio<i64>>| {
[INFO] [stdout] 93 | |             // FIXME: error dialog
[INFO] [stdout] 94 | |             let _ = view.apply_command(Command::ScaleRow {
[INFO] [stdout] 95 | |                 coeff: coeff,
[INFO] [stdout] 96 | |                 row: row
[INFO] [stdout] 97 | |             });
[INFO] [stdout] 98 | |         });
[INFO] [stdout]    | |          ^- help: consider using a semicolon here
[INFO] [stdout]    | |__________|
[INFO] [stdout]    |            expected `()`, found `Option<()>`
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected unit type `()`
[INFO] [stdout]                    found enum `Option<()>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> src/bin/main.rs:106:9
[INFO] [stdout]     |
[INFO] [stdout] 106 | /         s.call_on_id("matrix_view", |view: &mut MatrixView<Ratio<i64>>| {
[INFO] [stdout] 107 | |             // FIXME: error dialog
[INFO] [stdout] 108 | |             let _ = view.apply_command(Command::SwapRow {
[INFO] [stdout] 109 | |                 row1: row1,
[INFO] [stdout] 110 | |                 row2: row2
[INFO] [stdout] 111 | |             });
[INFO] [stdout] 112 | |         });
[INFO] [stdout]     | |          ^- help: consider using a semicolon here
[INFO] [stdout]     | |__________|
[INFO] [stdout]     |            expected `()`, found `Option<()>`
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected unit type `()`
[INFO] [stdout]                     found enum `Option<()>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> src/bin/main.rs:106:9
[INFO] [stdout]     |
[INFO] [stdout] 106 | /         s.call_on_id("matrix_view", |view: &mut MatrixView<Ratio<i64>>| {
[INFO] [stdout] 107 | |             // FIXME: error dialog
[INFO] [stdout] 108 | |             let _ = view.apply_command(Command::SwapRow {
[INFO] [stdout] 109 | |                 row1: row1,
[INFO] [stdout] 110 | |                 row2: row2
[INFO] [stdout] 111 | |             });
[INFO] [stdout] 112 | |         });
[INFO] [stdout]     | |          ^- help: consider using a semicolon here
[INFO] [stdout]     | |__________|
[INFO] [stdout]     |            expected `()`, found `Option<()>`
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected unit type `()`
[INFO] [stdout]                     found enum `Option<()>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> src/bin/main.rs:121:9
[INFO] [stdout]     |
[INFO] [stdout] 121 | /         s.call_on_id("matrix_view", |view: &mut MatrixView<Ratio<i64>>| {
[INFO] [stdout] 122 | |             let _ = view.apply_command(Command::EditCell {
[INFO] [stdout] 123 | |                 row,
[INFO] [stdout] 124 | |                 col,
[INFO] [stdout] 125 | |                 value: v
[INFO] [stdout] 126 | |             });
[INFO] [stdout] 127 | |         });
[INFO] [stdout]     | |          ^- help: consider using a semicolon here
[INFO] [stdout]     | |__________|
[INFO] [stdout]     |            expected `()`, found `Option<()>`
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected unit type `()`
[INFO] [stdout]                     found enum `Option<()>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> src/bin/main.rs:121:9
[INFO] [stdout]     |
[INFO] [stdout] 121 | /         s.call_on_id("matrix_view", |view: &mut MatrixView<Ratio<i64>>| {
[INFO] [stdout] 122 | |             let _ = view.apply_command(Command::EditCell {
[INFO] [stdout] 123 | |                 row,
[INFO] [stdout] 124 | |                 col,
[INFO] [stdout] 125 | |                 value: v
[INFO] [stdout] 126 | |             });
[INFO] [stdout] 127 | |         });
[INFO] [stdout]     | |          ^- help: consider using a semicolon here
[INFO] [stdout]     | |__________|
[INFO] [stdout]     |            expected `()`, found `Option<()>`
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected unit type `()`
[INFO] [stdout]                     found enum `Option<()>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> src/bin/main.rs:192:9
[INFO] [stdout]     |
[INFO] [stdout] 192 | /         s.call_on_id("matrix_view", |view: &mut MatrixView<Ratio<i64>>| {
[INFO] [stdout] 193 | |             // FIXME: error dialog
[INFO] [stdout] 194 | |             let _ = view.apply_command(Command::AddRow {
[INFO] [stdout] 195 | |                 src: src,
[INFO] [stdout] ...   |
[INFO] [stdout] 198 | |             });
[INFO] [stdout] 199 | |         });
[INFO] [stdout]     | |          ^- help: consider using a semicolon here
[INFO] [stdout]     | |__________|
[INFO] [stdout]     |            expected `()`, found `Option<()>`
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected unit type `()`
[INFO] [stdout]                     found enum `Option<()>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 4 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0308`.
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> src/bin/main.rs:192:9
[INFO] [stdout]     |
[INFO] [stdout] 192 | /         s.call_on_id("matrix_view", |view: &mut MatrixView<Ratio<i64>>| {
[INFO] [stdout] 193 | |             // FIXME: error dialog
[INFO] [stdout] 194 | |             let _ = view.apply_command(Command::AddRow {
[INFO] [stdout] 195 | |                 src: src,
[INFO] [stdout] ...   |
[INFO] [stdout] 198 | |             });
[INFO] [stdout] 199 | |         });
[INFO] [stdout]     | |          ^- help: consider using a semicolon here
[INFO] [stdout]     | |__________|
[INFO] [stdout]     |            expected `()`, found `Option<()>`
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected unit type `()`
[INFO] [stdout]                     found enum `Option<()>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `matrixops` (bin "main") due to 5 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: aborting due to 4 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0308`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `matrixops` (bin "main" test) due to 5 previous errors
[INFO] running `Command { std: "docker" "inspect" "9981d1ca052fab9692b1f2f7ab4634fc88d5f26c4203c3623c00b3bf7eb72689", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9981d1ca052fab9692b1f2f7ab4634fc88d5f26c4203c3623c00b3bf7eb72689", kill_on_drop: false }`
[INFO] [stdout] 9981d1ca052fab9692b1f2f7ab4634fc88d5f26c4203c3623c00b3bf7eb72689
