Nov 09 08:20:53.409 INFO checking mvanniekerk/abelian_sandpile against try#dc13be39fae8d4c607889b27de374b52586485a3 for pr-55632
Nov 09 08:20:53.409 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55632/worker-3/try#dc13be39fae8d4c607889b27de374b52586485a3:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/pr-55632/try#dc13be39fae8d4c607889b27de374b52586485a3:/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 +dc13be39fae8d4c607889b27de374b52586485a3-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 09 08:20:53.723 INFO blam! c0386e6004980b73ad4f9fe2fbfd0959abef445b7114e66d75efdaa171f52b9b
Nov 09 08:20:53.725 INFO running `"docker" "start" "-a" "c0386e6004980b73ad4f9fe2fbfd0959abef445b7114e66d75efdaa171f52b9b"`
Nov 09 08:20:54.235 INFO kablam! usermod: no changes
Nov 09 08:20:54.360 INFO kablam!    Compiling num-derive v0.2.2
Nov 09 08:20:54.360 INFO kablam!     Checking png v0.12.0
Nov 09 08:20:56.525 INFO kablam!     Checking image v0.19.0
Nov 09 08:21:01.405 INFO kablam!     Checking abelian_sandpile v0.1.0 (/source)
Nov 09 08:21:02.639 INFO kablam! warning: function is never used: `print_map`
Nov 09 08:21:02.639 INFO kablam!   --> src/main.rs:65:1
Nov 09 08:21:02.639 INFO kablam!    |
Nov 09 08:21:02.639 INFO kablam! 65 | fn print_map(map: &Map) {
Nov 09 08:21:02.639 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^
Nov 09 08:21:02.639 INFO kablam!    |
Nov 09 08:21:02.639 INFO kablam!    = note: #[warn(dead_code)] on by default
Nov 09 08:21:02.639 INFO kablam! 
Nov 09 08:21:02.639 INFO kablam! warning: function is never used: `add`
Nov 09 08:21:02.639 INFO kablam!    --> src/main.rs:107:1
Nov 09 08:21:02.639 INFO kablam!     |
Nov 09 08:21:02.639 INFO kablam! 107 | fn add(one: &Map, two: &Map) -> Map {
Nov 09 08:21:02.639 INFO kablam!     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 09 08:21:02.639 INFO kablam! 
Nov 09 08:21:02.639 INFO kablam! warning: function is never used: `negate`
Nov 09 08:21:02.639 INFO kablam!    --> src/main.rs:117:1
Nov 09 08:21:02.639 INFO kablam!     |
Nov 09 08:21:02.639 INFO kablam! 117 | fn negate(mat: &Map) -> Map {
Nov 09 08:21:02.639 INFO kablam!     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 09 08:21:02.639 INFO kablam! 
Nov 09 08:21:02.639 INFO kablam! warning: function is never used: `subtract`
Nov 09 08:21:02.639 INFO kablam!    --> src/main.rs:127:1
Nov 09 08:21:02.639 INFO kablam!     |
Nov 09 08:21:02.639 INFO kablam! 127 | fn subtract(one: &Map, two: &Map) -> Map {
Nov 09 08:21:02.639 INFO kablam!     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 09 08:21:02.639 INFO kablam! 
Nov 09 08:21:02.639 INFO kablam! warning: function is never used: `identity`
Nov 09 08:21:02.639 INFO kablam!    --> src/main.rs:131:1
Nov 09 08:21:02.639 INFO kablam!     |
Nov 09 08:21:02.639 INFO kablam! 131 | fn identity() -> Map {
Nov 09 08:21:02.639 INFO kablam!     | ^^^^^^^^^^^^^^^^^^^^
Nov 09 08:21:02.639 INFO kablam! 
Nov 09 08:21:02.639 INFO kablam! warning: unused `std::result::Result` that must be used
Nov 09 08:21:02.639 INFO kablam!    --> src/main.rs:157:5
Nov 09 08:21:02.639 INFO kablam!     |
Nov 09 08:21:02.639 INFO kablam! 157 |     create_dir_all(directory);
Nov 09 08:21:02.639 INFO kablam!     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 09 08:21:02.639 INFO kablam!     |
Nov 09 08:21:02.639 INFO kablam!     = note: #[warn(unused_must_use)] on by default
Nov 09 08:21:02.639 INFO kablam!     = note: this `Result` may be an `Err` variant, which should be handled
Nov 09 08:21:02.639 INFO kablam! 
Nov 09 08:21:02.695 INFO kablam! warning: function is never used: `print_map`
Nov 09 08:21:02.695 INFO kablam!   --> src/main.rs:65:1
Nov 09 08:21:02.695 INFO kablam!    |
Nov 09 08:21:02.695 INFO kablam! 65 | fn print_map(map: &Map) {
Nov 09 08:21:02.695 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^
Nov 09 08:21:02.695 INFO kablam!    |
Nov 09 08:21:02.695 INFO kablam!    = note: #[warn(dead_code)] on by default
Nov 09 08:21:02.695 INFO kablam! 
Nov 09 08:21:02.695 INFO kablam! warning: function is never used: `add`
Nov 09 08:21:02.695 INFO kablam!    --> src/main.rs:107:1
Nov 09 08:21:02.695 INFO kablam!     |
Nov 09 08:21:02.695 INFO kablam! 107 | fn add(one: &Map, two: &Map) -> Map {
Nov 09 08:21:02.695 INFO kablam!     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 09 08:21:02.695 INFO kablam! 
Nov 09 08:21:02.695 INFO kablam! warning: function is never used: `negate`
Nov 09 08:21:02.695 INFO kablam!    --> src/main.rs:117:1
Nov 09 08:21:02.695 INFO kablam!     |
Nov 09 08:21:02.695 INFO kablam! 117 | fn negate(mat: &Map) -> Map {
Nov 09 08:21:02.695 INFO kablam!     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 09 08:21:02.695 INFO kablam! 
Nov 09 08:21:02.695 INFO kablam! warning: function is never used: `subtract`
Nov 09 08:21:02.695 INFO kablam!    --> src/main.rs:127:1
Nov 09 08:21:02.695 INFO kablam!     |
Nov 09 08:21:02.695 INFO kablam! 127 | fn subtract(one: &Map, two: &Map) -> Map {
Nov 09 08:21:02.695 INFO kablam!     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 09 08:21:02.695 INFO kablam! 
Nov 09 08:21:02.695 INFO kablam! warning: function is never used: `identity`
Nov 09 08:21:02.695 INFO kablam!    --> src/main.rs:131:1
Nov 09 08:21:02.695 INFO kablam!     |
Nov 09 08:21:02.695 INFO kablam! 131 | fn identity() -> Map {
Nov 09 08:21:02.695 INFO kablam!     | ^^^^^^^^^^^^^^^^^^^^
Nov 09 08:21:02.695 INFO kablam! 
Nov 09 08:21:02.695 INFO kablam! warning: unused `std::result::Result` that must be used
Nov 09 08:21:02.695 INFO kablam!    --> src/main.rs:157:5
Nov 09 08:21:02.695 INFO kablam!     |
Nov 09 08:21:02.695 INFO kablam! 157 |     create_dir_all(directory);
Nov 09 08:21:02.695 INFO kablam!     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 09 08:21:02.695 INFO kablam!     |
Nov 09 08:21:02.695 INFO kablam!     = note: #[warn(unused_must_use)] on by default
Nov 09 08:21:02.695 INFO kablam!     = note: this `Result` may be an `Err` variant, which should be handled
Nov 09 08:21:02.695 INFO kablam! 
Nov 09 08:21:02.736 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 8.48s
Nov 09 08:21:02.743 INFO kablam! su: No module specific data is present
Nov 09 08:21:03.352 INFO running `"docker" "rm" "-f" "c0386e6004980b73ad4f9fe2fbfd0959abef445b7114e66d75efdaa171f52b9b"`
Nov 09 08:21:03.653 INFO blam! c0386e6004980b73ad4f9fe2fbfd0959abef445b7114e66d75efdaa171f52b9b