Nov 04 02:15:25.639 INFO checking mvanniekerk/abelian_sandpile against try#e740b9aa0b624fa39feb39613e76d15bdf57e594 for pr-55655
Nov 04 02:15:25.640 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55655/worker-7/try#e740b9aa0b624fa39feb39613e76d15bdf57e594:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-7/pr-55655/try#e740b9aa0b624fa39feb39613e76d15bdf57e594:/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 +e740b9aa0b624fa39feb39613e76d15bdf57e594-alt check --frozen --all --all-targets" "-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 04 02:15:25.955 INFO blam! dddcc3077ce92f55f5206ffdee86d3d298d7876676af971a270e3e5a4cf2e66c
Nov 04 02:15:25.956 INFO running `"docker" "start" "-a" "dddcc3077ce92f55f5206ffdee86d3d298d7876676af971a270e3e5a4cf2e66c"`
Nov 04 02:15:26.467 INFO kablam! usermod: no changes
Nov 04 02:15:26.563 INFO kablam!     Checking png v0.12.0
Nov 04 02:15:26.563 INFO kablam!     Checking jpeg-decoder v0.1.15
Nov 04 02:15:27.953 INFO kablam!     Checking image v0.19.0
Nov 04 02:15:32.600 INFO kablam!     Checking abelian_sandpile v0.1.0 (/source)
Nov 04 02:15:33.842 INFO kablam! warning: function is never used: `print_map`
Nov 04 02:15:33.843 INFO kablam!   --> src/main.rs:65:1
Nov 04 02:15:33.843 INFO kablam!    |
Nov 04 02:15:33.843 INFO kablam! 65 | fn print_map(map: &Map) {
Nov 04 02:15:33.844 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^
Nov 04 02:15:33.844 INFO kablam!    |
Nov 04 02:15:33.844 INFO kablam!    = note: #[warn(dead_code)] on by default
Nov 04 02:15:33.845 INFO kablam! 
Nov 04 02:15:33.845 INFO kablam! warning: function is never used: `add`
Nov 04 02:15:33.846 INFO kablam!    --> src/main.rs:107:1
Nov 04 02:15:33.846 INFO kablam!     |
Nov 04 02:15:33.847 INFO kablam! 107 | fn add(one: &Map, two: &Map) -> Map {
Nov 04 02:15:33.847 INFO kablam!     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 04 02:15:33.848 INFO kablam! 
Nov 04 02:15:33.848 INFO kablam! warning: function is never used: `negate`
Nov 04 02:15:33.849 INFO kablam!    --> src/main.rs:117:1
Nov 04 02:15:33.849 INFO kablam!     |
Nov 04 02:15:33.849 INFO kablam! 117 | fn negate(mat: &Map) -> Map {
Nov 04 02:15:33.850 INFO kablam!     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 04 02:15:33.850 INFO kablam! 
Nov 04 02:15:33.851 INFO kablam! warning: function is never used: `subtract`
Nov 04 02:15:33.851 INFO kablam!    --> src/main.rs:127:1
Nov 04 02:15:33.851 INFO kablam!     |
Nov 04 02:15:33.851 INFO kablam! 127 | fn subtract(one: &Map, two: &Map) -> Map {
Nov 04 02:15:33.851 INFO kablam!     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 04 02:15:33.851 INFO kablam! 
Nov 04 02:15:33.851 INFO kablam! warning: function is never used: `identity`
Nov 04 02:15:33.851 INFO kablam!    --> src/main.rs:131:1
Nov 04 02:15:33.851 INFO kablam!     |
Nov 04 02:15:33.852 INFO kablam! 131 | fn identity() -> Map {
Nov 04 02:15:33.852 INFO kablam!     | ^^^^^^^^^^^^^^^^^^^^
Nov 04 02:15:33.852 INFO kablam! 
Nov 04 02:15:33.852 INFO kablam! warning: unused `std::result::Result` that must be used
Nov 04 02:15:33.852 INFO kablam!    --> src/main.rs:157:5
Nov 04 02:15:33.852 INFO kablam!     |
Nov 04 02:15:33.852 INFO kablam! 157 |     create_dir_all(directory);
Nov 04 02:15:33.852 INFO kablam!     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 04 02:15:33.852 INFO kablam!     |
Nov 04 02:15:33.852 INFO kablam!     = note: #[warn(unused_must_use)] on by default
Nov 04 02:15:33.852 INFO kablam!     = note: this `Result` may be an `Err` variant, which should be handled
Nov 04 02:15:33.852 INFO kablam! 
Nov 04 02:15:33.863 INFO kablam! warning: function is never used: `print_map`
Nov 04 02:15:33.863 INFO kablam!   --> src/main.rs:65:1
Nov 04 02:15:33.863 INFO kablam!    |
Nov 04 02:15:33.863 INFO kablam! 65 | fn print_map(map: &Map) {
Nov 04 02:15:33.863 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^
Nov 04 02:15:33.863 INFO kablam!    |
Nov 04 02:15:33.863 INFO kablam!    = note: #[warn(dead_code)] on by default
Nov 04 02:15:33.863 INFO kablam! 
Nov 04 02:15:33.863 INFO kablam! warning: function is never used: `add`
Nov 04 02:15:33.863 INFO kablam!    --> src/main.rs:107:1
Nov 04 02:15:33.863 INFO kablam!     |
Nov 04 02:15:33.863 INFO kablam! 107 | fn add(one: &Map, two: &Map) -> Map {
Nov 04 02:15:33.863 INFO kablam!     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 04 02:15:33.863 INFO kablam! 
Nov 04 02:15:33.863 INFO kablam! warning: function is never used: `negate`
Nov 04 02:15:33.863 INFO kablam!    --> src/main.rs:117:1
Nov 04 02:15:33.863 INFO kablam!     |
Nov 04 02:15:33.863 INFO kablam! 117 | fn negate(mat: &Map) -> Map {
Nov 04 02:15:33.863 INFO kablam!     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 04 02:15:33.863 INFO kablam! 
Nov 04 02:15:33.866 INFO kablam! warning: function is never used: `subtract`
Nov 04 02:15:33.866 INFO kablam!    --> src/main.rs:127:1
Nov 04 02:15:33.866 INFO kablam!     |
Nov 04 02:15:33.866 INFO kablam! 127 | fn subtract(one: &Map, two: &Map) -> Map {
Nov 04 02:15:33.866 INFO kablam!     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 04 02:15:33.866 INFO kablam! 
Nov 04 02:15:33.866 INFO kablam! warning: function is never used: `identity`
Nov 04 02:15:33.871 INFO kablam!    --> src/main.rs:131:1
Nov 04 02:15:33.871 INFO kablam!     |
Nov 04 02:15:33.871 INFO kablam! 131 | fn identity() -> Map {
Nov 04 02:15:33.871 INFO kablam!     | ^^^^^^^^^^^^^^^^^^^^
Nov 04 02:15:33.871 INFO kablam! 
Nov 04 02:15:33.871 INFO kablam! warning: unused `std::result::Result` that must be used
Nov 04 02:15:33.871 INFO kablam!    --> src/main.rs:157:5
Nov 04 02:15:33.871 INFO kablam!     |
Nov 04 02:15:33.871 INFO kablam! 157 |     create_dir_all(directory);
Nov 04 02:15:33.871 INFO kablam!     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 04 02:15:33.871 INFO kablam!     |
Nov 04 02:15:33.871 INFO kablam!     = note: #[warn(unused_must_use)] on by default
Nov 04 02:15:33.871 INFO kablam!     = note: this `Result` may be an `Err` variant, which should be handled
Nov 04 02:15:33.871 INFO kablam! 
Nov 04 02:15:33.901 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 7.41s
Nov 04 02:15:33.907 INFO kablam! su: No module specific data is present
Nov 04 02:15:35.074 INFO running `"docker" "rm" "-f" "dddcc3077ce92f55f5206ffdee86d3d298d7876676af971a270e3e5a4cf2e66c"`
Nov 04 02:15:35.383 INFO blam! dddcc3077ce92f55f5206ffdee86d3d298d7876676af971a270e3e5a4cf2e66c