Oct 27 00:03:10.026 INFO checking mvanniekerk/abelian_sandpile against try#19f01b935b91481fd445b16b533d2f87661bf12e for pr-55192-2
Oct 27 00:03:10.026 INFO running `"docker" "create" "-v" "/mnt/big/crater/./work/local/target-dirs/pr-55192-2/worker-5/try#19f01b935b91481fd445b16b533d2f87661bf12e:/target:rw,Z" "-v" "/mnt/big/crater/./work/local/test-source/worker-5/pr-55192-2/try#19f01b935b91481fd445b16b533d2f87661bf12e:/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 +19f01b935b91481fd445b16b533d2f87661bf12e-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"`
Oct 27 00:03:10.299 INFO blam! f26131e51f44e8ee74e834a121981e5ac9fa247521c6175eac2b1d7fecbd7c1a
Oct 27 00:03:10.305 INFO running `"docker" "start" "-a" "f26131e51f44e8ee74e834a121981e5ac9fa247521c6175eac2b1d7fecbd7c1a"`
Oct 27 00:03:10.829 INFO kablam! usermod: no changes
Oct 27 00:03:10.919 INFO kablam!     Checking inflate v0.4.2
Oct 27 00:03:10.920 INFO kablam!    Compiling syn v0.14.2
Oct 27 00:03:10.927 INFO kablam!     Checking num-rational v0.1.42
Oct 27 00:03:10.928 INFO kablam!     Checking jpeg-decoder v0.1.15
Oct 27 00:03:11.831 INFO kablam!     Checking png v0.12.0
Oct 27 00:03:21.101 INFO kablam!    Compiling num-derive v0.2.2
Oct 27 00:03:23.843 INFO kablam!     Checking image v0.19.0
Oct 27 00:03:29.526 INFO kablam!     Checking abelian_sandpile v0.1.0 (/source)
Oct 27 00:03:31.255 INFO kablam! warning: function is never used: `print_map`
Oct 27 00:03:31.255 INFO kablam!   --> src/main.rs:65:1
Oct 27 00:03:31.255 INFO kablam!    |
Oct 27 00:03:31.255 INFO kablam! 65 | fn print_map(map: &Map) {
Oct 27 00:03:31.255 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^
Oct 27 00:03:31.255 INFO kablam!    |
Oct 27 00:03:31.255 INFO kablam!    = note: #[warn(dead_code)] on by default
Oct 27 00:03:31.255 INFO kablam! 
Oct 27 00:03:31.259 INFO kablam! warning: function is never used: `add`
Oct 27 00:03:31.259 INFO kablam!    --> src/main.rs:107:1
Oct 27 00:03:31.259 INFO kablam!     |
Oct 27 00:03:31.259 INFO kablam! 107 | fn add(one: &Map, two: &Map) -> Map {
Oct 27 00:03:31.259 INFO kablam!     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 27 00:03:31.259 INFO kablam! 
Oct 27 00:03:31.259 INFO kablam! warning: function is never used: `negate`
Oct 27 00:03:31.259 INFO kablam!    --> src/main.rs:117:1
Oct 27 00:03:31.259 INFO kablam!     |
Oct 27 00:03:31.259 INFO kablam! 117 | fn negate(mat: &Map) -> Map {
Oct 27 00:03:31.259 INFO kablam!     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 27 00:03:31.259 INFO kablam! 
Oct 27 00:03:31.259 INFO kablam! warning: function is never used: `subtract`
Oct 27 00:03:31.259 INFO kablam!    --> src/main.rs:127:1
Oct 27 00:03:31.259 INFO kablam!     |
Oct 27 00:03:31.259 INFO kablam! 127 | fn subtract(one: &Map, two: &Map) -> Map {
Oct 27 00:03:31.259 INFO kablam!     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 27 00:03:31.259 INFO kablam! 
Oct 27 00:03:31.259 INFO kablam! warning: function is never used: `identity`
Oct 27 00:03:31.259 INFO kablam!    --> src/main.rs:131:1
Oct 27 00:03:31.259 INFO kablam!     |
Oct 27 00:03:31.259 INFO kablam! 131 | fn identity() -> Map {
Oct 27 00:03:31.259 INFO kablam!     | ^^^^^^^^^^^^^^^^^^^^
Oct 27 00:03:31.259 INFO kablam! 
Oct 27 00:03:31.259 INFO kablam! warning: unused `std::result::Result` that must be used
Oct 27 00:03:31.259 INFO kablam!    --> src/main.rs:157:5
Oct 27 00:03:31.259 INFO kablam!     |
Oct 27 00:03:31.259 INFO kablam! 157 |     create_dir_all(directory);
Oct 27 00:03:31.259 INFO kablam!     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 27 00:03:31.259 INFO kablam!     |
Oct 27 00:03:31.259 INFO kablam!     = note: #[warn(unused_must_use)] on by default
Oct 27 00:03:31.259 INFO kablam!     = note: this `Result` may be an `Err` variant, which should be handled
Oct 27 00:03:31.259 INFO kablam! 
Oct 27 00:03:31.392 INFO kablam! warning: function is never used: `print_map`
Oct 27 00:03:31.392 INFO kablam!   --> src/main.rs:65:1
Oct 27 00:03:31.392 INFO kablam!    |
Oct 27 00:03:31.392 INFO kablam! 65 | fn print_map(map: &Map) {
Oct 27 00:03:31.392 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^
Oct 27 00:03:31.392 INFO kablam!    |
Oct 27 00:03:31.392 INFO kablam!    = note: #[warn(dead_code)] on by default
Oct 27 00:03:31.392 INFO kablam! 
Oct 27 00:03:31.392 INFO kablam! warning: function is never used: `add`
Oct 27 00:03:31.392 INFO kablam!    --> src/main.rs:107:1
Oct 27 00:03:31.392 INFO kablam!     |
Oct 27 00:03:31.392 INFO kablam! 107 | fn add(one: &Map, two: &Map) -> Map {
Oct 27 00:03:31.392 INFO kablam!     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 27 00:03:31.392 INFO kablam! 
Oct 27 00:03:31.392 INFO kablam! warning: function is never used: `negate`
Oct 27 00:03:31.392 INFO kablam!    --> src/main.rs:117:1
Oct 27 00:03:31.392 INFO kablam!     |
Oct 27 00:03:31.392 INFO kablam! 117 | fn negate(mat: &Map) -> Map {
Oct 27 00:03:31.392 INFO kablam!     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 27 00:03:31.392 INFO kablam! 
Oct 27 00:03:31.392 INFO kablam! warning: function is never used: `subtract`
Oct 27 00:03:31.392 INFO kablam!    --> src/main.rs:127:1
Oct 27 00:03:31.392 INFO kablam!     |
Oct 27 00:03:31.392 INFO kablam! 127 | fn subtract(one: &Map, two: &Map) -> Map {
Oct 27 00:03:31.392 INFO kablam!     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 27 00:03:31.392 INFO kablam! 
Oct 27 00:03:31.392 INFO kablam! warning: function is never used: `identity`
Oct 27 00:03:31.392 INFO kablam!    --> src/main.rs:131:1
Oct 27 00:03:31.392 INFO kablam!     |
Oct 27 00:03:31.392 INFO kablam! 131 | fn identity() -> Map {
Oct 27 00:03:31.392 INFO kablam!     | ^^^^^^^^^^^^^^^^^^^^
Oct 27 00:03:31.392 INFO kablam! 
Oct 27 00:03:31.392 INFO kablam! warning: unused `std::result::Result` that must be used
Oct 27 00:03:31.392 INFO kablam!    --> src/main.rs:157:5
Oct 27 00:03:31.392 INFO kablam!     |
Oct 27 00:03:31.392 INFO kablam! 157 |     create_dir_all(directory);
Oct 27 00:03:31.392 INFO kablam!     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 27 00:03:31.392 INFO kablam!     |
Oct 27 00:03:31.392 INFO kablam!     = note: #[warn(unused_must_use)] on by default
Oct 27 00:03:31.392 INFO kablam!     = note: this `Result` may be an `Err` variant, which should be handled
Oct 27 00:03:31.392 INFO kablam! 
Oct 27 00:03:31.431 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 20.58s
Oct 27 00:03:31.433 INFO kablam! su: No module specific data is present
Oct 27 00:03:32.417 INFO running `"docker" "rm" "-f" "f26131e51f44e8ee74e834a121981e5ac9fa247521c6175eac2b1d7fecbd7c1a"`
Oct 27 00:03:32.743 INFO blam! f26131e51f44e8ee74e834a121981e5ac9fa247521c6175eac2b1d7fecbd7c1a