Nov 16 18:45:48.090 INFO testing mvanniekerk/abelian_sandpile against master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c for pr-55982
Nov 16 18:45:48.092 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55982/worker-3/master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/pr-55982/master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +6b9b97bd9b704f85f0184f7a213cc4d62bd9654c-alt build --frozen" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Nov 16 18:45:48.413 INFO [stdout] 2860537d1ad48d374410d0e2c2eeaa9763cf70892ecea552e6599892d481c12c
Nov 16 18:45:48.417 INFO running `"docker" "start" "-a" "2860537d1ad48d374410d0e2c2eeaa9763cf70892ecea552e6599892d481c12c"`
Nov 16 18:45:49.268 INFO [stderr] usermod: no changes
Nov 16 18:45:49.415 INFO [stderr]    Compiling deflate v0.7.18
Nov 16 18:45:49.424 INFO [stderr]    Compiling syn v0.14.2
Nov 16 18:45:49.427 INFO [stderr]    Compiling rayon v1.0.1
Nov 16 18:45:52.707 INFO [stderr]    Compiling png v0.12.0
Nov 16 18:45:56.819 INFO [stderr]    Compiling jpeg-decoder v0.1.15
Nov 16 18:46:01.826 INFO [stderr]    Compiling num-derive v0.2.2
Nov 16 18:46:04.081 INFO [stderr]    Compiling image v0.19.0
Nov 16 18:46:20.214 INFO [stderr]    Compiling abelian_sandpile v0.1.0 (/source)
Nov 16 18:46:21.262 INFO [stderr] warning: function is never used: `print_map`
Nov 16 18:46:21.262 INFO [stderr]   --> src/main.rs:65:1
Nov 16 18:46:21.262 INFO [stderr]    |
Nov 16 18:46:21.262 INFO [stderr] 65 | fn print_map(map: &Map) {
Nov 16 18:46:21.262 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^
Nov 16 18:46:21.262 INFO [stderr]    |
Nov 16 18:46:21.262 INFO [stderr]    = note: #[warn(dead_code)] on by default
Nov 16 18:46:21.262 INFO [stderr] 
Nov 16 18:46:21.262 INFO [stderr] warning: function is never used: `add`
Nov 16 18:46:21.262 INFO [stderr]    --> src/main.rs:107:1
Nov 16 18:46:21.262 INFO [stderr]     |
Nov 16 18:46:21.262 INFO [stderr] 107 | fn add(one: &Map, two: &Map) -> Map {
Nov 16 18:46:21.262 INFO [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 16 18:46:21.262 INFO [stderr] 
Nov 16 18:46:21.262 INFO [stderr] warning: function is never used: `negate`
Nov 16 18:46:21.262 INFO [stderr]    --> src/main.rs:117:1
Nov 16 18:46:21.262 INFO [stderr]     |
Nov 16 18:46:21.262 INFO [stderr] 117 | fn negate(mat: &Map) -> Map {
Nov 16 18:46:21.262 INFO [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 16 18:46:21.262 INFO [stderr] 
Nov 16 18:46:21.262 INFO [stderr] warning: function is never used: `subtract`
Nov 16 18:46:21.263 INFO [stderr]    --> src/main.rs:127:1
Nov 16 18:46:21.263 INFO [stderr]     |
Nov 16 18:46:21.263 INFO [stderr] 127 | fn subtract(one: &Map, two: &Map) -> Map {
Nov 16 18:46:21.263 INFO [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 16 18:46:21.263 INFO [stderr] 
Nov 16 18:46:21.263 INFO [stderr] warning: function is never used: `identity`
Nov 16 18:46:21.263 INFO [stderr]    --> src/main.rs:131:1
Nov 16 18:46:21.263 INFO [stderr]     |
Nov 16 18:46:21.263 INFO [stderr] 131 | fn identity() -> Map {
Nov 16 18:46:21.263 INFO [stderr]     | ^^^^^^^^^^^^^^^^^^^^
Nov 16 18:46:21.263 INFO [stderr] 
Nov 16 18:46:21.264 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 16 18:46:21.264 INFO [stderr]    --> src/main.rs:157:5
Nov 16 18:46:21.264 INFO [stderr]     |
Nov 16 18:46:21.264 INFO [stderr] 157 |     create_dir_all(directory);
Nov 16 18:46:21.264 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 16 18:46:21.264 INFO [stderr]     |
Nov 16 18:46:21.264 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Nov 16 18:46:21.264 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Nov 16 18:46:21.264 INFO [stderr] 
Nov 16 18:46:23.201 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 33.91s
Nov 16 18:46:23.207 INFO [stderr] su: No module specific data is present
Nov 16 18:46:24.116 INFO running `"docker" "inspect" "2860537d1ad48d374410d0e2c2eeaa9763cf70892ecea552e6599892d481c12c"`
Nov 16 18:46:24.317 INFO running `"docker" "rm" "-f" "2860537d1ad48d374410d0e2c2eeaa9763cf70892ecea552e6599892d481c12c"`
Nov 16 18:46:24.599 INFO [stdout] 2860537d1ad48d374410d0e2c2eeaa9763cf70892ecea552e6599892d481c12c
Nov 16 18:46:24.609 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55982/worker-3/master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/pr-55982/master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +6b9b97bd9b704f85f0184f7a213cc4d62bd9654c-alt test --frozen --no-run" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Nov 16 18:46:24.957 INFO [stdout] 6bf8a629cfdad5cece96bc0b9910dfa2b18536d2d5f2da5829eec243c5d76dae
Nov 16 18:46:24.960 INFO running `"docker" "start" "-a" "6bf8a629cfdad5cece96bc0b9910dfa2b18536d2d5f2da5829eec243c5d76dae"`
Nov 16 18:46:26.194 INFO [stderr] usermod: no changes
Nov 16 18:46:26.343 INFO [stderr]    Compiling abelian_sandpile v0.1.0 (/source)
Nov 16 18:46:27.347 INFO [stderr] warning: function is never used: `print_map`
Nov 16 18:46:27.347 INFO [stderr]   --> src/main.rs:65:1
Nov 16 18:46:27.347 INFO [stderr]    |
Nov 16 18:46:27.347 INFO [stderr] 65 | fn print_map(map: &Map) {
Nov 16 18:46:27.347 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^
Nov 16 18:46:27.347 INFO [stderr]    |
Nov 16 18:46:27.347 INFO [stderr]    = note: #[warn(dead_code)] on by default
Nov 16 18:46:27.347 INFO [stderr] 
Nov 16 18:46:27.347 INFO [stderr] warning: function is never used: `add`
Nov 16 18:46:27.347 INFO [stderr]    --> src/main.rs:107:1
Nov 16 18:46:27.347 INFO [stderr]     |
Nov 16 18:46:27.350 INFO [stderr] 107 | fn add(one: &Map, two: &Map) -> Map {
Nov 16 18:46:27.350 INFO [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 16 18:46:27.350 INFO [stderr] 
Nov 16 18:46:27.350 INFO [stderr] warning: function is never used: `negate`
Nov 16 18:46:27.350 INFO [stderr]    --> src/main.rs:117:1
Nov 16 18:46:27.350 INFO [stderr]     |
Nov 16 18:46:27.350 INFO [stderr] 117 | fn negate(mat: &Map) -> Map {
Nov 16 18:46:27.350 INFO [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 16 18:46:27.350 INFO [stderr] 
Nov 16 18:46:27.350 INFO [stderr] warning: function is never used: `subtract`
Nov 16 18:46:27.350 INFO [stderr]    --> src/main.rs:127:1
Nov 16 18:46:27.350 INFO [stderr]     |
Nov 16 18:46:27.350 INFO [stderr] 127 | fn subtract(one: &Map, two: &Map) -> Map {
Nov 16 18:46:27.350 INFO [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 16 18:46:27.350 INFO [stderr] 
Nov 16 18:46:27.350 INFO [stderr] warning: function is never used: `identity`
Nov 16 18:46:27.350 INFO [stderr]    --> src/main.rs:131:1
Nov 16 18:46:27.350 INFO [stderr]     |
Nov 16 18:46:27.350 INFO [stderr] 131 | fn identity() -> Map {
Nov 16 18:46:27.350 INFO [stderr]     | ^^^^^^^^^^^^^^^^^^^^
Nov 16 18:46:27.350 INFO [stderr] 
Nov 16 18:46:27.350 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 16 18:46:27.350 INFO [stderr]    --> src/main.rs:157:5
Nov 16 18:46:27.350 INFO [stderr]     |
Nov 16 18:46:27.350 INFO [stderr] 157 |     create_dir_all(directory);
Nov 16 18:46:27.350 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 16 18:46:27.350 INFO [stderr]     |
Nov 16 18:46:27.350 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Nov 16 18:46:27.350 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Nov 16 18:46:27.350 INFO [stderr] 
Nov 16 18:46:27.787 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.56s
Nov 16 18:46:27.797 INFO [stderr] su: No module specific data is present
Nov 16 18:46:28.830 INFO running `"docker" "inspect" "6bf8a629cfdad5cece96bc0b9910dfa2b18536d2d5f2da5829eec243c5d76dae"`
Nov 16 18:46:29.159 INFO running `"docker" "rm" "-f" "6bf8a629cfdad5cece96bc0b9910dfa2b18536d2d5f2da5829eec243c5d76dae"`
Nov 16 18:46:29.443 INFO [stdout] 6bf8a629cfdad5cece96bc0b9910dfa2b18536d2d5f2da5829eec243c5d76dae
Nov 16 18:46:29.445 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55982/worker-3/master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/pr-55982/master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +6b9b97bd9b704f85f0184f7a213cc4d62bd9654c-alt test --frozen" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Nov 16 18:46:29.900 INFO [stdout] 215db434b7c97e946a13c28adf7ddfb01839bb9c17ea74c66a9fd174c93fa866
Nov 16 18:46:29.903 INFO running `"docker" "start" "-a" "215db434b7c97e946a13c28adf7ddfb01839bb9c17ea74c66a9fd174c93fa866"`
Nov 16 18:46:31.719 INFO [stderr] usermod: no changes
Nov 16 18:46:31.892 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.16s
Nov 16 18:46:31.905 INFO [stderr]      Running /target/debug/deps/abelian_sandpile-25bf3ade2fd3adf2
Nov 16 18:46:31.907 INFO [stdout] 
Nov 16 18:46:31.907 INFO [stdout] running 0 tests
Nov 16 18:46:31.907 INFO [stdout] 
Nov 16 18:46:31.907 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Nov 16 18:46:31.907 INFO [stdout] 
Nov 16 18:46:31.910 INFO [stderr] su: No module specific data is present
Nov 16 18:46:33.120 INFO running `"docker" "inspect" "215db434b7c97e946a13c28adf7ddfb01839bb9c17ea74c66a9fd174c93fa866"`
Nov 16 18:46:33.466 INFO running `"docker" "rm" "-f" "215db434b7c97e946a13c28adf7ddfb01839bb9c17ea74c66a9fd174c93fa866"`
Nov 16 18:46:33.797 INFO [stdout] 215db434b7c97e946a13c28adf7ddfb01839bb9c17ea74c66a9fd174c93fa866