Nov 02 09:48:28.127 INFO checking mvanniekerk/abelian_sandpile against try#dc8b02d6f1e93f212fc39844ea688b634b4a03c7 for pr-55517
Nov 02 09:48:28.142 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55517/worker-4/try#dc8b02d6f1e93f212fc39844ea688b634b4a03c7:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-55517/try#dc8b02d6f1e93f212fc39844ea688b634b4a03c7:/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 +dc8b02d6f1e93f212fc39844ea688b634b4a03c7-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 02 09:48:28.292 INFO blam! 38702cf360a92a521ec75eb67b2665048e6bcc0e0a2a01859bde56df2968bd2a
Nov 02 09:48:28.293 INFO running `"docker" "start" "-a" "38702cf360a92a521ec75eb67b2665048e6bcc0e0a2a01859bde56df2968bd2a"`
Nov 02 09:48:28.744 INFO kablam! usermod: no changes
Nov 02 09:48:28.846 INFO kablam!    Compiling num-derive v0.2.2
Nov 02 09:48:28.846 INFO kablam!     Checking png v0.12.0
Nov 02 09:48:30.915 INFO kablam!     Checking image v0.19.0
Nov 02 09:48:35.909 INFO kablam!     Checking abelian_sandpile v0.1.0 (/source)
Nov 02 09:48:37.366 INFO kablam! warning: function is never used: `print_map`
Nov 02 09:48:37.367 INFO kablam!   --> src/main.rs:65:1
Nov 02 09:48:37.368 INFO kablam!    |
Nov 02 09:48:37.369 INFO kablam! 65 | fn print_map(map: &Map) {
Nov 02 09:48:37.369 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^
Nov 02 09:48:37.370 INFO kablam!    |
Nov 02 09:48:37.371 INFO kablam!    = note: #[warn(dead_code)] on by default
Nov 02 09:48:37.371 INFO kablam! 
Nov 02 09:48:37.372 INFO kablam! warning: function is never used: `add`
Nov 02 09:48:37.372 INFO kablam!    --> src/main.rs:107:1
Nov 02 09:48:37.373 INFO kablam!     |
Nov 02 09:48:37.374 INFO kablam! 107 | fn add(one: &Map, two: &Map) -> Map {
Nov 02 09:48:37.374 INFO kablam!     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 02 09:48:37.375 INFO kablam! 
Nov 02 09:48:37.375 INFO kablam! warning: function is never used: `negate`
Nov 02 09:48:37.376 INFO kablam!    --> src/main.rs:117:1
Nov 02 09:48:37.377 INFO kablam!     |
Nov 02 09:48:37.377 INFO kablam! 117 | fn negate(mat: &Map) -> Map {
Nov 02 09:48:37.378 INFO kablam!     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 02 09:48:37.379 INFO kablam! 
Nov 02 09:48:37.380 INFO kablam! warning: function is never used: `subtract`
Nov 02 09:48:37.380 INFO kablam!    --> src/main.rs:127:1
Nov 02 09:48:37.381 INFO kablam!     |
Nov 02 09:48:37.382 INFO kablam! 127 | fn subtract(one: &Map, two: &Map) -> Map {
Nov 02 09:48:37.382 INFO kablam!     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 02 09:48:37.383 INFO kablam! 
Nov 02 09:48:37.383 INFO kablam! warning: function is never used: `identity`
Nov 02 09:48:37.384 INFO kablam!    --> src/main.rs:131:1
Nov 02 09:48:37.385 INFO kablam!     |
Nov 02 09:48:37.385 INFO kablam! 131 | fn identity() -> Map {
Nov 02 09:48:37.386 INFO kablam!     | ^^^^^^^^^^^^^^^^^^^^
Nov 02 09:48:37.387 INFO kablam! 
Nov 02 09:48:37.387 INFO kablam! warning: unused `std::result::Result` that must be used
Nov 02 09:48:37.388 INFO kablam!    --> src/main.rs:157:5
Nov 02 09:48:37.388 INFO kablam!     |
Nov 02 09:48:37.388 INFO kablam! 157 |     create_dir_all(directory);
Nov 02 09:48:37.388 INFO kablam!     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 02 09:48:37.388 INFO kablam!     |
Nov 02 09:48:37.388 INFO kablam!     = note: #[warn(unused_must_use)] on by default
Nov 02 09:48:37.388 INFO kablam!     = note: this `Result` may be an `Err` variant, which should be handled
Nov 02 09:48:37.388 INFO kablam! 
Nov 02 09:48:37.553 INFO kablam! warning: function is never used: `print_map`
Nov 02 09:48:37.554 INFO kablam!   --> src/main.rs:65:1
Nov 02 09:48:37.554 INFO kablam!    |
Nov 02 09:48:37.555 INFO kablam! 65 | fn print_map(map: &Map) {
Nov 02 09:48:37.555 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^
Nov 02 09:48:37.556 INFO kablam!    |
Nov 02 09:48:37.557 INFO kablam!    = note: #[warn(dead_code)] on by default
Nov 02 09:48:37.557 INFO kablam! 
Nov 02 09:48:37.558 INFO kablam! warning: function is never used: `add`
Nov 02 09:48:37.558 INFO kablam!    --> src/main.rs:107:1
Nov 02 09:48:37.559 INFO kablam!     |
Nov 02 09:48:37.560 INFO kablam! 107 | fn add(one: &Map, two: &Map) -> Map {
Nov 02 09:48:37.560 INFO kablam!     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 02 09:48:37.561 INFO kablam! 
Nov 02 09:48:37.561 INFO kablam! warning: function is never used: `negate`
Nov 02 09:48:37.562 INFO kablam!    --> src/main.rs:117:1
Nov 02 09:48:37.562 INFO kablam!     |
Nov 02 09:48:37.563 INFO kablam! 117 | fn negate(mat: &Map) -> Map {
Nov 02 09:48:37.563 INFO kablam!     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 02 09:48:37.564 INFO kablam! 
Nov 02 09:48:37.565 INFO kablam! warning: function is never used: `subtract`
Nov 02 09:48:37.565 INFO kablam!    --> src/main.rs:127:1
Nov 02 09:48:37.565 INFO kablam!     |
Nov 02 09:48:37.565 INFO kablam! 127 | fn subtract(one: &Map, two: &Map) -> Map {
Nov 02 09:48:37.565 INFO kablam!     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 02 09:48:37.565 INFO kablam! 
Nov 02 09:48:37.565 INFO kablam! warning: function is never used: `identity`
Nov 02 09:48:37.565 INFO kablam!    --> src/main.rs:131:1
Nov 02 09:48:37.565 INFO kablam!     |
Nov 02 09:48:37.565 INFO kablam! 131 | fn identity() -> Map {
Nov 02 09:48:37.565 INFO kablam!     | ^^^^^^^^^^^^^^^^^^^^
Nov 02 09:48:37.565 INFO kablam! 
Nov 02 09:48:37.565 INFO kablam! warning: unused `std::result::Result` that must be used
Nov 02 09:48:37.565 INFO kablam!    --> src/main.rs:157:5
Nov 02 09:48:37.565 INFO kablam!     |
Nov 02 09:48:37.565 INFO kablam! 157 |     create_dir_all(directory);
Nov 02 09:48:37.565 INFO kablam!     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 02 09:48:37.565 INFO kablam!     |
Nov 02 09:48:37.565 INFO kablam!     = note: #[warn(unused_must_use)] on by default
Nov 02 09:48:37.565 INFO kablam!     = note: this `Result` may be an `Err` variant, which should be handled
Nov 02 09:48:37.565 INFO kablam! 
Nov 02 09:48:37.609 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 8.85s
Nov 02 09:48:37.615 INFO kablam! su: No module specific data is present
Nov 02 09:48:38.928 INFO running `"docker" "rm" "-f" "38702cf360a92a521ec75eb67b2665048e6bcc0e0a2a01859bde56df2968bd2a"`
Nov 02 09:48:39.324 INFO blam! 38702cf360a92a521ec75eb67b2665048e6bcc0e0a2a01859bde56df2968bd2a