[INFO] cloning repository https://github.com/lucassith/rust-sudoku-solver
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/lucassith/rust-sudoku-solver" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flucassith%2Frust-sudoku-solver", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flucassith%2Frust-sudoku-solver'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8cbe42e2f9e7620812522d99f062a482ab48c9d9
[INFO] testing lucassith/rust-sudoku-solver against try#722e1797249a965b6335aebd65d777f917e498f1 for pr-91031
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flucassith%2Frust-sudoku-solver" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/lucassith/rust-sudoku-solver on toolchain 722e1797249a965b6335aebd65d777f917e498f1
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/lucassith/rust-sudoku-solver
[INFO] finished tweaking git repo https://github.com/lucassith/rust-sudoku-solver
[INFO] tweaked toml for git repo https://github.com/lucassith/rust-sudoku-solver written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/lucassith/rust-sudoku-solver already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 36677864dfb9dfaa031779dfb51c0d4adc95b65c8404e04c9c9724f6d8d64a0b
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "36677864dfb9dfaa031779dfb51c0d4adc95b65c8404e04c9c9724f6d8d64a0b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "36677864dfb9dfaa031779dfb51c0d4adc95b65c8404e04c9c9724f6d8d64a0b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "36677864dfb9dfaa031779dfb51c0d4adc95b65c8404e04c9c9724f6d8d64a0b", kill_on_drop: false }`
[INFO] [stdout] 36677864dfb9dfaa031779dfb51c0d4adc95b65c8404e04c9c9724f6d8d64a0b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8227af69f7a11e780e7353afa6b82bf8e8d352de7042a958dc565812b17573a0
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "8227af69f7a11e780e7353afa6b82bf8e8d352de7042a958dc565812b17573a0", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.54
[INFO] [stderr]    Compiling futures-core v0.3.8
[INFO] [stderr]    Compiling bytes v0.6.0
[INFO] [stderr]    Compiling pin-project-lite v0.2.0
[INFO] [stderr]    Compiling tokio v0.3.5
[INFO] [stderr]    Compiling parking_lot_core v0.8.1
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling mio v0.7.6
[INFO] [stderr]    Compiling parking_lot v0.11.1
[INFO] [stderr]    Compiling tokio-macros v0.3.1
[INFO] [stderr]    Compiling sudoku v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `Arc`, `Mutex`
[INFO] [stdout]  --> src/main.rs:9:17
[INFO] [stdout]   |
[INFO] [stdout] 9 | use std::sync::{Arc, Mutex};
[INFO] [stdout]   |                 ^^^  ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::ops::Add`
[INFO] [stdout]   --> src/main.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | use std::ops::Add;
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 27.49s
[INFO] running `Command { std: "docker" "inspect" "8227af69f7a11e780e7353afa6b82bf8e8d352de7042a958dc565812b17573a0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8227af69f7a11e780e7353afa6b82bf8e8d352de7042a958dc565812b17573a0", kill_on_drop: false }`
[INFO] [stdout] 8227af69f7a11e780e7353afa6b82bf8e8d352de7042a958dc565812b17573a0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 960b3dc1971c87809532ee2e855683e8698d590ce73e99105407ab21ed776216
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "960b3dc1971c87809532ee2e855683e8698d590ce73e99105407ab21ed776216", kill_on_drop: false }`
[INFO] [stderr]    Compiling sudoku v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `Arc`, `Mutex`
[INFO] [stdout]  --> src/main.rs:9:17
[INFO] [stdout]   |
[INFO] [stdout] 9 | use std::sync::{Arc, Mutex};
[INFO] [stdout]   |                 ^^^  ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::ops::Add`
[INFO] [stdout]   --> src/main.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | use std::ops::Add;
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::point::Point`
[INFO] [stdout]   --> src/fillers/simple_filler.rs:39:9
[INFO] [stdout]    |
[INFO] [stdout] 39 |     use crate::point::Point;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::SquareTable`
[INFO] [stdout]   --> src/fillers/simple_filler.rs:41:9
[INFO] [stdout]    |
[INFO] [stdout] 41 |     use crate::SquareTable;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::point::CoordinateError`
[INFO] [stdout]   --> src/fillers/simple_filler.rs:42:9
[INFO] [stdout]    |
[INFO] [stdout] 42 |     use crate::point::CoordinateError;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::point::Axis`
[INFO] [stdout]   --> src/fillers/simple_filler.rs:43:9
[INFO] [stdout]    |
[INFO] [stdout] 43 |     use crate::point::Axis;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]   --> src/fillers/simple_filler.rs:48:13
[INFO] [stdout]    |
[INFO] [stdout] 48 |         let x = SimpleFiller{};
[INFO] [stdout]    |             ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.73s
[INFO] running `Command { std: "docker" "inspect" "960b3dc1971c87809532ee2e855683e8698d590ce73e99105407ab21ed776216", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "960b3dc1971c87809532ee2e855683e8698d590ce73e99105407ab21ed776216", kill_on_drop: false }`
[INFO] [stdout] 960b3dc1971c87809532ee2e855683e8698d590ce73e99105407ab21ed776216
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 2e4ea1d2df98d1749c265cb88345020a2ccf1cbd812323e22b45e2ecf8488736
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "2e4ea1d2df98d1749c265cb88345020a2ccf1cbd812323e22b45e2ecf8488736", kill_on_drop: false }`
[INFO] [stderr] warning: unused imports: `Arc`, `Mutex`
[INFO] [stderr]  --> src/main.rs:9:17
[INFO] [stderr]   |
[INFO] [stderr] 9 | use std::sync::{Arc, Mutex};
[INFO] [stderr]   |                 ^^^  ^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::ops::Add`
[INFO] [stderr]   --> src/main.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 | use std::ops::Add;
[INFO] [stderr]    |     ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `crate::point::Point`
[INFO] [stderr]   --> src/fillers/simple_filler.rs:39:9
[INFO] [stderr]    |
[INFO] [stderr] 39 |     use crate::point::Point;
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `crate::SquareTable`
[INFO] [stderr]   --> src/fillers/simple_filler.rs:41:9
[INFO] [stderr]    |
[INFO] [stderr] 41 |     use crate::SquareTable;
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `crate::point::CoordinateError`
[INFO] [stderr]   --> src/fillers/simple_filler.rs:42:9
[INFO] [stderr]    |
[INFO] [stderr] 42 |     use crate::point::CoordinateError;
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `crate::point::Axis`
[INFO] [stderr]   --> src/fillers/simple_filler.rs:43:9
[INFO] [stderr]    |
[INFO] [stderr] 43 |     use crate::point::Axis;
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `x`
[INFO] [stderr]   --> src/fillers/simple_filler.rs:48:13
[INFO] [stderr]    |
[INFO] [stderr] 48 |         let x = SimpleFiller{};
[INFO] [stderr]    |             ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `sudoku` (bin "sudoku" test) generated 7 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/sudoku-a2f9baa13b8e960d)
[INFO] [stdout] 
[INFO] [stdout] running 17 tests
[INFO] [stdout] test point_selection::empty_point_search::test::test_return_search_top_left_bottom ... ok
[INFO] [stdout] test point_selection::line_point_selection::test::test_return_error_if_out_of_boundaries ... ok
[INFO] [stdout] test point_selection::line_point_selection::test::test_return_vertical_points ... ok
[INFO] [stdout] test table::test::test_accessing_value ... ok
[INFO] [stdout] test table::test::test_get_dimensions ... ok
[INFO] [stdout] test table::test::test_get_possible_values ... ok
[INFO] [stdout] test table::test::test_is_filled ... ok
[INFO] [stdout] test table::test::test_y_axis_of_range_access ... ok
[INFO] [stdout] test fillers::simple_filler::test::test_create ... ok
[INFO] [stdout] test point_selection::line_point_selection::test::test_return_horizontal_points ... ok
[INFO] [stdout] test validators::sequence_validator::test::test_should_return_valid_possibilites ... ok
[INFO] [stdout] test table::test::test_points_in_zone ... ok
[INFO] [stdout] test bus::table_bus::test::test_polling ... ok
[INFO] [stdout] test table::test::test_debug_print ... ok
[INFO] [stdout] test point_selection::empty_point_search::test::test_return_search_top_left_right ... ok
[INFO] [stdout] test table::test::test_x_axis_of_range_access ... ok
[INFO] [stdout] test table::test::test_set_value_in_point ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 17 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.03s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "2e4ea1d2df98d1749c265cb88345020a2ccf1cbd812323e22b45e2ecf8488736", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2e4ea1d2df98d1749c265cb88345020a2ccf1cbd812323e22b45e2ecf8488736", kill_on_drop: false }`
[INFO] [stdout] 2e4ea1d2df98d1749c265cb88345020a2ccf1cbd812323e22b45e2ecf8488736