Dec 05 13:27:45.277 INFO testing mvanniekerk/abelian_sandpile against try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468 for pr-56514
Dec 05 13:27:45.277 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-4/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-56514/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/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 +6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468-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 05 13:27:45.645 INFO [stdout] a9ad56fa2ebd87526e973c596ac2303cb9a9efb0010a41f025a057880dc54da4
Dec 05 13:27:45.647 INFO running `"docker" "start" "-a" "a9ad56fa2ebd87526e973c596ac2303cb9a9efb0010a41f025a057880dc54da4"`
Dec 05 13:27:46.470 INFO [stderr] usermod: no changes
Dec 05 13:27:46.595 INFO [stderr]    Compiling inflate v0.4.2
Dec 05 13:27:46.595 INFO [stderr]    Compiling crossbeam-epoch v0.3.1
Dec 05 13:27:46.595 INFO [stderr]    Compiling num-derive v0.2.2
Dec 05 13:27:48.364 INFO [stderr]    Compiling crossbeam-deque v0.2.0
Dec 05 13:27:48.952 INFO [stderr]    Compiling png v0.12.0
Dec 05 13:27:49.320 INFO [stderr]    Compiling rayon-core v1.4.0
Dec 05 13:27:51.752 INFO [stderr]    Compiling rayon v1.0.1
Dec 05 13:27:55.504 INFO [stderr]    Compiling jpeg-decoder v0.1.15
Dec 05 13:27:58.476 INFO [stderr]    Compiling image v0.19.0
Dec 05 13:28:15.421 INFO [stderr]    Compiling abelian_sandpile v0.1.0 (/source)
Dec 05 13:28:16.696 INFO [stderr] warning: function is never used: `print_map`
Dec 05 13:28:16.696 INFO [stderr]   --> src/main.rs:65:1
Dec 05 13:28:16.696 INFO [stderr]    |
Dec 05 13:28:16.696 INFO [stderr] 65 | fn print_map(map: &Map) {
Dec 05 13:28:16.697 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 13:28:16.697 INFO [stderr]    |
Dec 05 13:28:16.697 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 05 13:28:16.697 INFO [stderr] 
Dec 05 13:28:16.697 INFO [stderr] warning: function is never used: `add`
Dec 05 13:28:16.698 INFO [stderr]    --> src/main.rs:107:1
Dec 05 13:28:16.698 INFO [stderr]     |
Dec 05 13:28:16.698 INFO [stderr] 107 | fn add(one: &Map, two: &Map) -> Map {
Dec 05 13:28:16.698 INFO [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 13:28:16.699 INFO [stderr] 
Dec 05 13:28:16.699 INFO [stderr] warning: function is never used: `negate`
Dec 05 13:28:16.699 INFO [stderr]    --> src/main.rs:117:1
Dec 05 13:28:16.699 INFO [stderr]     |
Dec 05 13:28:16.699 INFO [stderr] 117 | fn negate(mat: &Map) -> Map {
Dec 05 13:28:16.699 INFO [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 13:28:16.699 INFO [stderr] 
Dec 05 13:28:16.699 INFO [stderr] warning: function is never used: `subtract`
Dec 05 13:28:16.699 INFO [stderr]    --> src/main.rs:127:1
Dec 05 13:28:16.699 INFO [stderr]     |
Dec 05 13:28:16.699 INFO [stderr] 127 | fn subtract(one: &Map, two: &Map) -> Map {
Dec 05 13:28:16.699 INFO [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 13:28:16.699 INFO [stderr] 
Dec 05 13:28:16.699 INFO [stderr] warning: function is never used: `identity`
Dec 05 13:28:16.699 INFO [stderr]    --> src/main.rs:131:1
Dec 05 13:28:16.699 INFO [stderr]     |
Dec 05 13:28:16.699 INFO [stderr] 131 | fn identity() -> Map {
Dec 05 13:28:16.699 INFO [stderr]     | ^^^^^^^^^^^^^^^^^^^^
Dec 05 13:28:16.699 INFO [stderr] 
Dec 05 13:28:16.699 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 05 13:28:16.699 INFO [stderr]    --> src/main.rs:157:5
Dec 05 13:28:16.699 INFO [stderr]     |
Dec 05 13:28:16.700 INFO [stderr] 157 |     create_dir_all(directory);
Dec 05 13:28:16.700 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 13:28:16.700 INFO [stderr]     |
Dec 05 13:28:16.700 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Dec 05 13:28:16.700 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 05 13:28:16.700 INFO [stderr] 
Dec 05 13:28:18.815 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 32.32s
Dec 05 13:28:18.821 INFO [stderr] su: No module specific data is present
Dec 05 13:28:19.498 INFO running `"docker" "inspect" "a9ad56fa2ebd87526e973c596ac2303cb9a9efb0010a41f025a057880dc54da4"`
Dec 05 13:28:19.738 INFO running `"docker" "rm" "-f" "a9ad56fa2ebd87526e973c596ac2303cb9a9efb0010a41f025a057880dc54da4"`
Dec 05 13:28:20.164 INFO [stdout] a9ad56fa2ebd87526e973c596ac2303cb9a9efb0010a41f025a057880dc54da4
Dec 05 13:28:20.172 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-4/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-56514/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/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 +6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468-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 05 13:28:20.674 INFO [stdout] 9be3e66e1ee3de50e9e0d61e041eff2021c2a84ec8770f274804bcfb9ecac585
Dec 05 13:28:20.676 INFO running `"docker" "start" "-a" "9be3e66e1ee3de50e9e0d61e041eff2021c2a84ec8770f274804bcfb9ecac585"`
Dec 05 13:28:21.688 INFO [stderr] usermod: no changes
Dec 05 13:28:21.823 INFO [stderr]    Compiling abelian_sandpile v0.1.0 (/source)
Dec 05 13:28:22.924 INFO [stderr] warning: function is never used: `print_map`
Dec 05 13:28:22.924 INFO [stderr]   --> src/main.rs:65:1
Dec 05 13:28:22.924 INFO [stderr]    |
Dec 05 13:28:22.924 INFO [stderr] 65 | fn print_map(map: &Map) {
Dec 05 13:28:22.924 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 13:28:22.924 INFO [stderr]    |
Dec 05 13:28:22.924 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 05 13:28:22.924 INFO [stderr] 
Dec 05 13:28:22.924 INFO [stderr] warning: function is never used: `add`
Dec 05 13:28:22.924 INFO [stderr]    --> src/main.rs:107:1
Dec 05 13:28:22.924 INFO [stderr]     |
Dec 05 13:28:22.924 INFO [stderr] 107 | fn add(one: &Map, two: &Map) -> Map {
Dec 05 13:28:22.924 INFO [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 13:28:22.924 INFO [stderr] 
Dec 05 13:28:22.924 INFO [stderr] warning: function is never used: `negate`
Dec 05 13:28:22.924 INFO [stderr]    --> src/main.rs:117:1
Dec 05 13:28:22.924 INFO [stderr]     |
Dec 05 13:28:22.924 INFO [stderr] 117 | fn negate(mat: &Map) -> Map {
Dec 05 13:28:22.924 INFO [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 13:28:22.925 INFO [stderr] 
Dec 05 13:28:22.925 INFO [stderr] warning: function is never used: `subtract`
Dec 05 13:28:22.925 INFO [stderr]    --> src/main.rs:127:1
Dec 05 13:28:22.925 INFO [stderr]     |
Dec 05 13:28:22.925 INFO [stderr] 127 | fn subtract(one: &Map, two: &Map) -> Map {
Dec 05 13:28:22.925 INFO [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 13:28:22.925 INFO [stderr] 
Dec 05 13:28:22.925 INFO [stderr] warning: function is never used: `identity`
Dec 05 13:28:22.925 INFO [stderr]    --> src/main.rs:131:1
Dec 05 13:28:22.925 INFO [stderr]     |
Dec 05 13:28:22.925 INFO [stderr] 131 | fn identity() -> Map {
Dec 05 13:28:22.925 INFO [stderr]     | ^^^^^^^^^^^^^^^^^^^^
Dec 05 13:28:22.925 INFO [stderr] 
Dec 05 13:28:22.936 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 05 13:28:22.936 INFO [stderr]    --> src/main.rs:157:5
Dec 05 13:28:22.936 INFO [stderr]     |
Dec 05 13:28:22.936 INFO [stderr] 157 |     create_dir_all(directory);
Dec 05 13:28:22.936 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 13:28:22.936 INFO [stderr]     |
Dec 05 13:28:22.936 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Dec 05 13:28:22.936 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 05 13:28:22.936 INFO [stderr] 
Dec 05 13:28:23.375 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.65s
Dec 05 13:28:23.380 INFO [stderr] su: No module specific data is present
Dec 05 13:28:24.249 INFO running `"docker" "inspect" "9be3e66e1ee3de50e9e0d61e041eff2021c2a84ec8770f274804bcfb9ecac585"`
Dec 05 13:28:24.664 INFO running `"docker" "rm" "-f" "9be3e66e1ee3de50e9e0d61e041eff2021c2a84ec8770f274804bcfb9ecac585"`
Dec 05 13:28:24.981 INFO [stdout] 9be3e66e1ee3de50e9e0d61e041eff2021c2a84ec8770f274804bcfb9ecac585
Dec 05 13:28:24.986 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-4/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-56514/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/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 +6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468-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 05 13:28:25.377 INFO [stdout] 71f31c5cf50dba911d35a7035ccd08c7d247137ecbb2513d24dfdd2cdff0926b
Dec 05 13:28:25.382 INFO running `"docker" "start" "-a" "71f31c5cf50dba911d35a7035ccd08c7d247137ecbb2513d24dfdd2cdff0926b"`
Dec 05 13:28:27.192 INFO [stderr] usermod: no changes
Dec 05 13:28:27.320 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.11s
Dec 05 13:28:27.336 INFO [stderr]      Running /target/debug/deps/abelian_sandpile-a76131a3108b180e
Dec 05 13:28:27.336 INFO [stdout] 
Dec 05 13:28:27.336 INFO [stdout] running 0 tests
Dec 05 13:28:27.336 INFO [stdout] 
Dec 05 13:28:27.336 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 05 13:28:27.336 INFO [stdout] 
Dec 05 13:28:27.336 INFO [stderr] su: No module specific data is present
Dec 05 13:28:28.538 INFO running `"docker" "inspect" "71f31c5cf50dba911d35a7035ccd08c7d247137ecbb2513d24dfdd2cdff0926b"`
Dec 05 13:28:28.940 INFO running `"docker" "rm" "-f" "71f31c5cf50dba911d35a7035ccd08c7d247137ecbb2513d24dfdd2cdff0926b"`
Dec 05 13:28:29.292 INFO [stdout] 71f31c5cf50dba911d35a7035ccd08c7d247137ecbb2513d24dfdd2cdff0926b