Nov 01 00:21:26.046 INFO checking mvanniekerk/abelian_sandpile against master#05812fa8c588473f03e3fa7cf59cd84f4f37c715 for pr-55538
Nov 01 00:21:26.046 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55538/worker-2/master#05812fa8c588473f03e3fa7cf59cd84f4f37c715:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/pr-55538/master#05812fa8c588473f03e3fa7cf59cd84f4f37c715:/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 +05812fa8c588473f03e3fa7cf59cd84f4f37c715-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 01 00:21:26.253 INFO blam! a0fcdf08d76641dd184fcab85521facf40f7434bebf07c7c7b86c279903de24c
Nov 01 00:21:26.260 INFO running `"docker" "start" "-a" "a0fcdf08d76641dd184fcab85521facf40f7434bebf07c7c7b86c279903de24c"`
Nov 01 00:21:26.678 INFO kablam! usermod: no changes
Nov 01 00:21:26.788 INFO kablam!    Compiling syn v0.14.2
Nov 01 00:21:26.789 INFO kablam!     Checking png v0.12.0
Nov 01 00:21:26.789 INFO kablam!     Checking jpeg-decoder v0.1.15
Nov 01 00:21:35.916 INFO kablam!    Compiling num-derive v0.2.2
Nov 01 00:21:38.738 INFO kablam!     Checking image v0.19.0
Nov 01 00:21:44.080 INFO kablam!     Checking abelian_sandpile v0.1.0 (/source)
Nov 01 00:21:45.727 INFO kablam! warning: function is never used: `print_map`
Nov 01 00:21:45.727 INFO kablam!   --> src/main.rs:65:1
Nov 01 00:21:45.728 INFO kablam!    |
Nov 01 00:21:45.728 INFO kablam! 65 | fn print_map(map: &Map) {
Nov 01 00:21:45.728 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^
Nov 01 00:21:45.728 INFO kablam!    |
Nov 01 00:21:45.728 INFO kablam!    = note: #[warn(dead_code)] on by default
Nov 01 00:21:45.728 INFO kablam! 
Nov 01 00:21:45.728 INFO kablam! warning: function is never used: `add`
Nov 01 00:21:45.728 INFO kablam!    --> src/main.rs:107:1
Nov 01 00:21:45.728 INFO kablam!     |
Nov 01 00:21:45.728 INFO kablam! 107 | fn add(one: &Map, two: &Map) -> Map {
Nov 01 00:21:45.728 INFO kablam!     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 01 00:21:45.728 INFO kablam! 
Nov 01 00:21:45.728 INFO kablam! warning: function is never used: `negate`
Nov 01 00:21:45.728 INFO kablam!    --> src/main.rs:117:1
Nov 01 00:21:45.728 INFO kablam!     |
Nov 01 00:21:45.728 INFO kablam! 117 | fn negate(mat: &Map) -> Map {
Nov 01 00:21:45.728 INFO kablam!     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 01 00:21:45.728 INFO kablam! 
Nov 01 00:21:45.731 INFO kablam! warning: function is never used: `subtract`
Nov 01 00:21:45.731 INFO kablam!    --> src/main.rs:127:1
Nov 01 00:21:45.731 INFO kablam!     |
Nov 01 00:21:45.731 INFO kablam! 127 | fn subtract(one: &Map, two: &Map) -> Map {
Nov 01 00:21:45.731 INFO kablam!     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 01 00:21:45.731 INFO kablam! 
Nov 01 00:21:45.731 INFO kablam! warning: function is never used: `identity`
Nov 01 00:21:45.731 INFO kablam!    --> src/main.rs:131:1
Nov 01 00:21:45.731 INFO kablam!     |
Nov 01 00:21:45.731 INFO kablam! 131 | fn identity() -> Map {
Nov 01 00:21:45.731 INFO kablam!     | ^^^^^^^^^^^^^^^^^^^^
Nov 01 00:21:45.731 INFO kablam! 
Nov 01 00:21:45.731 INFO kablam! warning: unused `std::result::Result` that must be used
Nov 01 00:21:45.731 INFO kablam!    --> src/main.rs:157:5
Nov 01 00:21:45.732 INFO kablam!     |
Nov 01 00:21:45.732 INFO kablam! 157 |     create_dir_all(directory);
Nov 01 00:21:45.732 INFO kablam!     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 01 00:21:45.732 INFO kablam!     |
Nov 01 00:21:45.732 INFO kablam!     = note: #[warn(unused_must_use)] on by default
Nov 01 00:21:45.732 INFO kablam!     = note: this `Result` may be an `Err` variant, which should be handled
Nov 01 00:21:45.732 INFO kablam! 
Nov 01 00:21:45.843 INFO kablam! warning: function is never used: `print_map`
Nov 01 00:21:45.843 INFO kablam!   --> src/main.rs:65:1
Nov 01 00:21:45.843 INFO kablam!    |
Nov 01 00:21:45.843 INFO kablam! 65 | fn print_map(map: &Map) {
Nov 01 00:21:45.843 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^
Nov 01 00:21:45.843 INFO kablam!    |
Nov 01 00:21:45.843 INFO kablam!    = note: #[warn(dead_code)] on by default
Nov 01 00:21:45.843 INFO kablam! 
Nov 01 00:21:45.843 INFO kablam! warning: function is never used: `add`
Nov 01 00:21:45.843 INFO kablam!    --> src/main.rs:107:1
Nov 01 00:21:45.843 INFO kablam!     |
Nov 01 00:21:45.843 INFO kablam! 107 | fn add(one: &Map, two: &Map) -> Map {
Nov 01 00:21:45.843 INFO kablam!     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 01 00:21:45.843 INFO kablam! 
Nov 01 00:21:45.843 INFO kablam! warning: function is never used: `negate`
Nov 01 00:21:45.843 INFO kablam!    --> src/main.rs:117:1
Nov 01 00:21:45.843 INFO kablam!     |
Nov 01 00:21:45.843 INFO kablam! 117 | fn negate(mat: &Map) -> Map {
Nov 01 00:21:45.843 INFO kablam!     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 01 00:21:45.843 INFO kablam! 
Nov 01 00:21:45.843 INFO kablam! warning: function is never used: `subtract`
Nov 01 00:21:45.843 INFO kablam!    --> src/main.rs:127:1
Nov 01 00:21:45.843 INFO kablam!     |
Nov 01 00:21:45.843 INFO kablam! 127 | fn subtract(one: &Map, two: &Map) -> Map {
Nov 01 00:21:45.843 INFO kablam!     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 01 00:21:45.843 INFO kablam! 
Nov 01 00:21:45.843 INFO kablam! warning: function is never used: `identity`
Nov 01 00:21:45.843 INFO kablam!    --> src/main.rs:131:1
Nov 01 00:21:45.843 INFO kablam!     |
Nov 01 00:21:45.843 INFO kablam! 131 | fn identity() -> Map {
Nov 01 00:21:45.843 INFO kablam!     | ^^^^^^^^^^^^^^^^^^^^
Nov 01 00:21:45.843 INFO kablam! 
Nov 01 00:21:45.843 INFO kablam! warning: unused `std::result::Result` that must be used
Nov 01 00:21:45.843 INFO kablam!    --> src/main.rs:157:5
Nov 01 00:21:45.843 INFO kablam!     |
Nov 01 00:21:45.844 INFO kablam! 157 |     create_dir_all(directory);
Nov 01 00:21:45.844 INFO kablam!     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 01 00:21:45.844 INFO kablam!     |
Nov 01 00:21:45.844 INFO kablam!     = note: #[warn(unused_must_use)] on by default
Nov 01 00:21:45.844 INFO kablam!     = note: this `Result` may be an `Err` variant, which should be handled
Nov 01 00:21:45.844 INFO kablam! 
Nov 01 00:21:45.901 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 19.21s
Nov 01 00:21:45.914 INFO kablam! su: No module specific data is present
Nov 01 00:21:47.093 INFO running `"docker" "rm" "-f" "a0fcdf08d76641dd184fcab85521facf40f7434bebf07c7c7b86c279903de24c"`
Nov 01 00:21:47.433 INFO blam! a0fcdf08d76641dd184fcab85521facf40f7434bebf07c7c7b86c279903de24c