Dec 13 09:38:39.996 INFO testing mvanniekerk/abelian_sandpile against master#bd47d6825bf4090517549d33cfef10d3300b4a75 for pr-56550
Dec 13 09:38:39.996 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-3/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/pr-56550/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/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 +bd47d6825bf4090517549d33cfef10d3300b4a75-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"`
Dec 13 09:38:40.387 INFO [stdout] d246e2918c0da9fd44372c6a87da1724af6f0c500aacee1be87879e5984fe279
Dec 13 09:38:40.395 INFO running `"docker" "start" "-a" "d246e2918c0da9fd44372c6a87da1724af6f0c500aacee1be87879e5984fe279"`
Dec 13 09:38:41.508 INFO [stderr] usermod: no changes
Dec 13 09:38:41.631 INFO [stderr]    Compiling png v0.12.0
Dec 13 09:38:43.671 INFO [stderr]    Compiling image v0.19.0
Dec 13 09:38:56.656 INFO [stderr]    Compiling abelian_sandpile v0.1.0 (/source)
Dec 13 09:38:57.808 INFO [stderr] warning: function is never used: `print_map`
Dec 13 09:38:57.808 INFO [stderr]   --> src/main.rs:65:1
Dec 13 09:38:57.808 INFO [stderr]    |
Dec 13 09:38:57.808 INFO [stderr] 65 | fn print_map(map: &Map) {
Dec 13 09:38:57.808 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^
Dec 13 09:38:57.808 INFO [stderr]    |
Dec 13 09:38:57.808 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 13 09:38:57.808 INFO [stderr] 
Dec 13 09:38:57.813 INFO [stderr] warning: function is never used: `add`
Dec 13 09:38:57.813 INFO [stderr]    --> src/main.rs:107:1
Dec 13 09:38:57.813 INFO [stderr]     |
Dec 13 09:38:57.813 INFO [stderr] 107 | fn add(one: &Map, two: &Map) -> Map {
Dec 13 09:38:57.813 INFO [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 13 09:38:57.813 INFO [stderr] 
Dec 13 09:38:57.813 INFO [stderr] warning: function is never used: `negate`
Dec 13 09:38:57.813 INFO [stderr]    --> src/main.rs:117:1
Dec 13 09:38:57.813 INFO [stderr]     |
Dec 13 09:38:57.813 INFO [stderr] 117 | fn negate(mat: &Map) -> Map {
Dec 13 09:38:57.814 INFO [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 13 09:38:57.814 INFO [stderr] 
Dec 13 09:38:57.814 INFO [stderr] warning: function is never used: `subtract`
Dec 13 09:38:57.814 INFO [stderr]    --> src/main.rs:127:1
Dec 13 09:38:57.814 INFO [stderr]     |
Dec 13 09:38:57.814 INFO [stderr] 127 | fn subtract(one: &Map, two: &Map) -> Map {
Dec 13 09:38:57.814 INFO [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 13 09:38:57.814 INFO [stderr] 
Dec 13 09:38:57.814 INFO [stderr] warning: function is never used: `identity`
Dec 13 09:38:57.814 INFO [stderr]    --> src/main.rs:131:1
Dec 13 09:38:57.814 INFO [stderr]     |
Dec 13 09:38:57.814 INFO [stderr] 131 | fn identity() -> Map {
Dec 13 09:38:57.814 INFO [stderr]     | ^^^^^^^^^^^^^^^^^^^^
Dec 13 09:38:57.814 INFO [stderr] 
Dec 13 09:38:57.814 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 13 09:38:57.814 INFO [stderr]    --> src/main.rs:157:5
Dec 13 09:38:57.814 INFO [stderr]     |
Dec 13 09:38:57.814 INFO [stderr] 157 |     create_dir_all(directory);
Dec 13 09:38:57.814 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 13 09:38:57.814 INFO [stderr]     |
Dec 13 09:38:57.814 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Dec 13 09:38:57.814 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 13 09:38:57.814 INFO [stderr] 
Dec 13 09:38:59.461 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 17.89s
Dec 13 09:38:59.462 INFO [stderr] su: No module specific data is present
Dec 13 09:39:00.145 INFO running `"docker" "inspect" "d246e2918c0da9fd44372c6a87da1724af6f0c500aacee1be87879e5984fe279"`
Dec 13 09:39:00.444 INFO running `"docker" "rm" "-f" "d246e2918c0da9fd44372c6a87da1724af6f0c500aacee1be87879e5984fe279"`
Dec 13 09:39:00.638 INFO [stdout] d246e2918c0da9fd44372c6a87da1724af6f0c500aacee1be87879e5984fe279
Dec 13 09:39:00.661 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-3/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/pr-56550/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/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 +bd47d6825bf4090517549d33cfef10d3300b4a75-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"`
Dec 13 09:39:00.906 INFO [stdout] be174d44afea73440f9d8bc591a7343899dad16a5847b71cae8000134f6636b5
Dec 13 09:39:00.909 INFO running `"docker" "start" "-a" "be174d44afea73440f9d8bc591a7343899dad16a5847b71cae8000134f6636b5"`
Dec 13 09:39:01.687 INFO [stderr] usermod: no changes
Dec 13 09:39:01.783 INFO [stderr]    Compiling abelian_sandpile v0.1.0 (/source)
Dec 13 09:39:03.025 INFO [stderr] warning: function is never used: `print_map`
Dec 13 09:39:03.025 INFO [stderr]   --> src/main.rs:65:1
Dec 13 09:39:03.025 INFO [stderr]    |
Dec 13 09:39:03.025 INFO [stderr] 65 | fn print_map(map: &Map) {
Dec 13 09:39:03.025 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^
Dec 13 09:39:03.025 INFO [stderr]    |
Dec 13 09:39:03.025 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 13 09:39:03.025 INFO [stderr] 
Dec 13 09:39:03.025 INFO [stderr] warning: function is never used: `add`
Dec 13 09:39:03.025 INFO [stderr]    --> src/main.rs:107:1
Dec 13 09:39:03.025 INFO [stderr]     |
Dec 13 09:39:03.025 INFO [stderr] 107 | fn add(one: &Map, two: &Map) -> Map {
Dec 13 09:39:03.025 INFO [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 13 09:39:03.025 INFO [stderr] 
Dec 13 09:39:03.025 INFO [stderr] warning: function is never used: `negate`
Dec 13 09:39:03.025 INFO [stderr]    --> src/main.rs:117:1
Dec 13 09:39:03.025 INFO [stderr]     |
Dec 13 09:39:03.025 INFO [stderr] 117 | fn negate(mat: &Map) -> Map {
Dec 13 09:39:03.025 INFO [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 13 09:39:03.025 INFO [stderr] 
Dec 13 09:39:03.025 INFO [stderr] warning: function is never used: `subtract`
Dec 13 09:39:03.025 INFO [stderr]    --> src/main.rs:127:1
Dec 13 09:39:03.025 INFO [stderr]     |
Dec 13 09:39:03.026 INFO [stderr] 127 | fn subtract(one: &Map, two: &Map) -> Map {
Dec 13 09:39:03.026 INFO [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 13 09:39:03.026 INFO [stderr] 
Dec 13 09:39:03.026 INFO [stderr] warning: function is never used: `identity`
Dec 13 09:39:03.026 INFO [stderr]    --> src/main.rs:131:1
Dec 13 09:39:03.026 INFO [stderr]     |
Dec 13 09:39:03.026 INFO [stderr] 131 | fn identity() -> Map {
Dec 13 09:39:03.026 INFO [stderr]     | ^^^^^^^^^^^^^^^^^^^^
Dec 13 09:39:03.026 INFO [stderr] 
Dec 13 09:39:03.026 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 13 09:39:03.026 INFO [stderr]    --> src/main.rs:157:5
Dec 13 09:39:03.026 INFO [stderr]     |
Dec 13 09:39:03.026 INFO [stderr] 157 |     create_dir_all(directory);
Dec 13 09:39:03.026 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 13 09:39:03.026 INFO [stderr]     |
Dec 13 09:39:03.026 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Dec 13 09:39:03.026 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 13 09:39:03.026 INFO [stderr] 
Dec 13 09:39:03.375 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.67s
Dec 13 09:39:03.385 INFO [stderr] su: No module specific data is present
Dec 13 09:39:04.338 INFO running `"docker" "inspect" "be174d44afea73440f9d8bc591a7343899dad16a5847b71cae8000134f6636b5"`
Dec 13 09:39:04.643 INFO running `"docker" "rm" "-f" "be174d44afea73440f9d8bc591a7343899dad16a5847b71cae8000134f6636b5"`
Dec 13 09:39:04.971 INFO [stdout] be174d44afea73440f9d8bc591a7343899dad16a5847b71cae8000134f6636b5
Dec 13 09:39:04.977 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-3/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/pr-56550/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/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 +bd47d6825bf4090517549d33cfef10d3300b4a75-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"`
Dec 13 09:39:05.423 INFO [stdout] 566a6aa160876d4d310b70d213fe058122923ca13f32da7c42d5ce7fc043a4b2
Dec 13 09:39:05.425 INFO running `"docker" "start" "-a" "566a6aa160876d4d310b70d213fe058122923ca13f32da7c42d5ce7fc043a4b2"`
Dec 13 09:39:06.978 INFO [stderr] usermod: no changes
Dec 13 09:39:07.175 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.15s
Dec 13 09:39:07.195 INFO [stderr]      Running /target/debug/deps/abelian_sandpile-c1fcd73fd5ab54c8
Dec 13 09:39:07.195 INFO [stdout] 
Dec 13 09:39:07.195 INFO [stdout] running 0 tests
Dec 13 09:39:07.195 INFO [stdout] 
Dec 13 09:39:07.195 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 13 09:39:07.195 INFO [stdout] 
Dec 13 09:39:07.211 INFO [stderr] su: No module specific data is present
Dec 13 09:39:08.108 INFO running `"docker" "inspect" "566a6aa160876d4d310b70d213fe058122923ca13f32da7c42d5ce7fc043a4b2"`
Dec 13 09:39:08.408 INFO running `"docker" "rm" "-f" "566a6aa160876d4d310b70d213fe058122923ca13f32da7c42d5ce7fc043a4b2"`
Dec 13 09:39:08.695 INFO [stdout] 566a6aa160876d4d310b70d213fe058122923ca13f32da7c42d5ce7fc043a4b2