Nov 29 21:45:33.251 INFO checking mvanniekerk/abelian_sandpile against try#32252761328f59ccfadb1bafb8148c685bc830b3 for pr-56323
Nov 29 21:45:33.251 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56323/worker-7/try#32252761328f59ccfadb1bafb8148c685bc830b3:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-7/pr-56323/try#32252761328f59ccfadb1bafb8148c685bc830b3:/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 +32252761328f59ccfadb1bafb8148c685bc830b3-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 29 21:45:33.435 INFO [stdout] 9217dafa8a83bb484cf12cada9e9bdd1af34fd5770eea142830050deb36bb8ef
Nov 29 21:45:33.438 INFO running `"docker" "start" "-a" "9217dafa8a83bb484cf12cada9e9bdd1af34fd5770eea142830050deb36bb8ef"`
Nov 29 21:45:33.847 INFO [stderr] usermod: no changes
Nov 29 21:45:33.999 INFO [stderr]     Checking crossbeam-epoch v0.3.1
Nov 29 21:45:33.999 INFO [stderr]    Compiling syn v0.14.2
Nov 29 21:45:33.999 INFO [stderr]     Checking png v0.12.0
Nov 29 21:45:34.737 INFO [stderr]     Checking crossbeam-deque v0.2.0
Nov 29 21:45:35.291 INFO [stderr]     Checking rayon-core v1.4.0
Nov 29 21:45:36.147 INFO [stderr]     Checking rayon v1.0.1
Nov 29 21:45:41.702 INFO [stderr]     Checking jpeg-decoder v0.1.15
Nov 29 21:45:44.111 INFO [stderr]    Compiling num-derive v0.2.2
Nov 29 21:45:47.297 INFO [stderr]     Checking image v0.19.0
Nov 29 21:45:52.486 INFO [stderr]     Checking abelian_sandpile v0.1.0 (/source)
Nov 29 21:45:54.156 INFO [stderr] warning: function is never used: `print_map`
Nov 29 21:45:54.157 INFO [stderr]   --> src/main.rs:65:1
Nov 29 21:45:54.157 INFO [stderr]    |
Nov 29 21:45:54.157 INFO [stderr] 65 | fn print_map(map: &Map) {
Nov 29 21:45:54.158 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^
Nov 29 21:45:54.158 INFO [stderr]    |
Nov 29 21:45:54.158 INFO [stderr]    = note: #[warn(dead_code)] on by default
Nov 29 21:45:54.158 INFO [stderr] 
Nov 29 21:45:54.164 INFO [stderr] warning: function is never used: `add`
Nov 29 21:45:54.165 INFO [stderr]    --> src/main.rs:107:1
Nov 29 21:45:54.165 INFO [stderr]     |
Nov 29 21:45:54.165 INFO [stderr] 107 | fn add(one: &Map, two: &Map) -> Map {
Nov 29 21:45:54.166 INFO [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 29 21:45:54.166 INFO [stderr] 
Nov 29 21:45:54.166 INFO [stderr] warning: function is never used: `negate`
Nov 29 21:45:54.166 INFO [stderr]    --> src/main.rs:117:1
Nov 29 21:45:54.167 INFO [stderr]     |
Nov 29 21:45:54.167 INFO [stderr] 117 | fn negate(mat: &Map) -> Map {
Nov 29 21:45:54.167 INFO [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 29 21:45:54.168 INFO [stderr] 
Nov 29 21:45:54.168 INFO [stderr] warning: function is never used: `subtract`
Nov 29 21:45:54.168 INFO [stderr]    --> src/main.rs:127:1
Nov 29 21:45:54.169 INFO [stderr]     |
Nov 29 21:45:54.169 INFO [stderr] 127 | fn subtract(one: &Map, two: &Map) -> Map {
Nov 29 21:45:54.169 INFO [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 29 21:45:54.169 INFO [stderr] 
Nov 29 21:45:54.170 INFO [stderr] warning: function is never used: `identity`
Nov 29 21:45:54.170 INFO [stderr]    --> src/main.rs:131:1
Nov 29 21:45:54.170 INFO [stderr]     |
Nov 29 21:45:54.171 INFO [stderr] 131 | fn identity() -> Map {
Nov 29 21:45:54.171 INFO [stderr]     | ^^^^^^^^^^^^^^^^^^^^
Nov 29 21:45:54.171 INFO [stderr] 
Nov 29 21:45:54.172 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 29 21:45:54.172 INFO [stderr]    --> src/main.rs:157:5
Nov 29 21:45:54.172 INFO [stderr]     |
Nov 29 21:45:54.173 INFO [stderr] 157 |     create_dir_all(directory);
Nov 29 21:45:54.173 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 29 21:45:54.173 INFO [stderr]     |
Nov 29 21:45:54.173 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Nov 29 21:45:54.174 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Nov 29 21:45:54.174 INFO [stderr] 
Nov 29 21:45:54.220 INFO [stderr] warning: function is never used: `print_map`
Nov 29 21:45:54.220 INFO [stderr]   --> src/main.rs:65:1
Nov 29 21:45:54.220 INFO [stderr]    |
Nov 29 21:45:54.221 INFO [stderr] 65 | fn print_map(map: &Map) {
Nov 29 21:45:54.221 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^
Nov 29 21:45:54.221 INFO [stderr]    |
Nov 29 21:45:54.221 INFO [stderr]    = note: #[warn(dead_code)] on by default
Nov 29 21:45:54.221 INFO [stderr] 
Nov 29 21:45:54.222 INFO [stderr] warning: function is never used: `add`
Nov 29 21:45:54.222 INFO [stderr]    --> src/main.rs:107:1
Nov 29 21:45:54.222 INFO [stderr]     |
Nov 29 21:45:54.223 INFO [stderr] 107 | fn add(one: &Map, two: &Map) -> Map {
Nov 29 21:45:54.223 INFO [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 29 21:45:54.223 INFO [stderr] 
Nov 29 21:45:54.223 INFO [stderr] warning: function is never used: `negate`
Nov 29 21:45:54.223 INFO [stderr]    --> src/main.rs:117:1
Nov 29 21:45:54.224 INFO [stderr]     |
Nov 29 21:45:54.224 INFO [stderr] 117 | fn negate(mat: &Map) -> Map {
Nov 29 21:45:54.224 INFO [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 29 21:45:54.224 INFO [stderr] 
Nov 29 21:45:54.225 INFO [stderr] warning: function is never used: `subtract`
Nov 29 21:45:54.225 INFO [stderr]    --> src/main.rs:127:1
Nov 29 21:45:54.225 INFO [stderr]     |
Nov 29 21:45:54.225 INFO [stderr] 127 | fn subtract(one: &Map, two: &Map) -> Map {
Nov 29 21:45:54.226 INFO [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 29 21:45:54.226 INFO [stderr] 
Nov 29 21:45:54.226 INFO [stderr] warning: function is never used: `identity`
Nov 29 21:45:54.226 INFO [stderr]    --> src/main.rs:131:1
Nov 29 21:45:54.226 INFO [stderr]     |
Nov 29 21:45:54.227 INFO [stderr] 131 | fn identity() -> Map {
Nov 29 21:45:54.227 INFO [stderr]     | ^^^^^^^^^^^^^^^^^^^^
Nov 29 21:45:54.227 INFO [stderr] 
Nov 29 21:45:54.227 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 29 21:45:54.228 INFO [stderr]    --> src/main.rs:157:5
Nov 29 21:45:54.228 INFO [stderr]     |
Nov 29 21:45:54.228 INFO [stderr] 157 |     create_dir_all(directory);
Nov 29 21:45:54.228 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 29 21:45:54.229 INFO [stderr]     |
Nov 29 21:45:54.229 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Nov 29 21:45:54.229 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Nov 29 21:45:54.229 INFO [stderr] 
Nov 29 21:45:54.252 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 20.37s
Nov 29 21:45:54.266 INFO [stderr] su: No module specific data is present
Nov 29 21:45:55.863 INFO running `"docker" "inspect" "9217dafa8a83bb484cf12cada9e9bdd1af34fd5770eea142830050deb36bb8ef"`
Nov 29 21:45:56.170 INFO running `"docker" "rm" "-f" "9217dafa8a83bb484cf12cada9e9bdd1af34fd5770eea142830050deb36bb8ef"`
Nov 29 21:45:56.444 INFO [stdout] 9217dafa8a83bb484cf12cada9e9bdd1af34fd5770eea142830050deb36bb8ef