Dec 14 05:56:38.964 INFO testing Shyclops/calculator against try#aa49d8ef14939ddec0e34b346b60174a5673d48f for pr-56550
Dec 14 05:56:38.964 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-3/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/pr-56550/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/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 +aa49d8ef14939ddec0e34b346b60174a5673d48f-alt build --frozen" "-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"`
Dec 14 05:56:39.435 INFO [stdout] 555e7febadca943324349ba542db6fdaf555662b1a6b4cf2493e71081ab66398
Dec 14 05:56:39.437 INFO running `"docker" "start" "-a" "555e7febadca943324349ba542db6fdaf555662b1a6b4cf2493e71081ab66398"`
Dec 14 05:56:40.907 INFO [stderr] usermod: no changes
Dec 14 05:56:40.991 INFO [stderr]    Compiling calculator v0.1.0 (/source)
Dec 14 05:56:41.419 INFO [stderr] warning: unused variable: `operators`
Dec 14 05:56:41.419 INFO [stderr]   --> src/reverse_polish_notation/parser.rs:17:10
Dec 14 05:56:41.419 INFO [stderr]    |
Dec 14 05:56:41.419 INFO [stderr] 17 |     let mut operators: Vec<Expression> = Vec::new();
Dec 14 05:56:41.419 INFO [stderr]    |             ^^^^^^^^^ help: consider using `_operators` instead
Dec 14 05:56:41.419 INFO [stderr]    |
Dec 14 05:56:41.419 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 14 05:56:41.419 INFO [stderr] 
Dec 14 05:56:41.419 INFO [stderr] warning: unused variable: `o`
Dec 14 05:56:41.419 INFO [stderr]   --> src/reverse_polish_notation/parser.rs:21:25
Dec 14 05:56:41.419 INFO [stderr]    |
Dec 14 05:56:41.419 INFO [stderr] 21 |             Expression::Operator(o)    => {},
Dec 14 05:56:41.419 INFO [stderr]    |                                  ^ help: consider using `_o` instead
Dec 14 05:56:41.419 INFO [stderr] 
Dec 14 05:56:41.419 INFO [stderr] warning: unused variable: `v`
Dec 14 05:56:41.419 INFO [stderr]   --> src/reverse_polish_notation/parser.rs:22:20
Dec 14 05:56:41.419 INFO [stderr]    |
Dec 14 05:56:41.419 INFO [stderr] 22 |             Expression::Val(v)        => output.push(ex),
Dec 14 05:56:41.419 INFO [stderr]    |                             ^ help: consider using `_v` instead
Dec 14 05:56:41.419 INFO [stderr] 
Dec 14 05:56:41.419 INFO [stderr] warning: unused variable: `operator`
Dec 14 05:56:41.419 INFO [stderr]   --> src/reverse_polish_notation/parser.rs:82:19
Dec 14 05:56:41.419 INFO [stderr]    |
Dec 14 05:56:41.419 INFO [stderr] 82 | fn get_precedence(operator: String) -> i8 {
Dec 14 05:56:41.419 INFO [stderr]    |                   ^^^^^^^^ help: consider using `_operator` instead
Dec 14 05:56:41.419 INFO [stderr] 
Dec 14 05:56:41.427 INFO [stderr] warning: variable does not need to be mutable
Dec 14 05:56:41.427 INFO [stderr]   --> src/reverse_polish_notation/parser.rs:17:6
Dec 14 05:56:41.427 INFO [stderr]    |
Dec 14 05:56:41.427 INFO [stderr] 17 |     let mut operators: Vec<Expression> = Vec::new();
Dec 14 05:56:41.427 INFO [stderr]    |         ----^^^^^^^^^
Dec 14 05:56:41.427 INFO [stderr]    |         |
Dec 14 05:56:41.427 INFO [stderr]    |         help: remove this `mut`
Dec 14 05:56:41.427 INFO [stderr]    |
Dec 14 05:56:41.427 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 14 05:56:41.427 INFO [stderr] 
Dec 14 05:56:41.427 INFO [stderr] warning: function is never used: `get_precedence`
Dec 14 05:56:41.427 INFO [stderr]   --> src/reverse_polish_notation/parser.rs:82:1
Dec 14 05:56:41.427 INFO [stderr]    |
Dec 14 05:56:41.427 INFO [stderr] 82 | fn get_precedence(operator: String) -> i8 {
Dec 14 05:56:41.427 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 05:56:41.427 INFO [stderr]    |
Dec 14 05:56:41.427 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 14 05:56:41.427 INFO [stderr] 
Dec 14 05:56:42.616 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.67s
Dec 14 05:56:42.619 INFO [stderr] su: No module specific data is present
Dec 14 05:56:43.772 INFO running `"docker" "inspect" "555e7febadca943324349ba542db6fdaf555662b1a6b4cf2493e71081ab66398"`
Dec 14 05:56:44.073 INFO running `"docker" "rm" "-f" "555e7febadca943324349ba542db6fdaf555662b1a6b4cf2493e71081ab66398"`
Dec 14 05:56:44.407 INFO [stdout] 555e7febadca943324349ba542db6fdaf555662b1a6b4cf2493e71081ab66398
Dec 14 05:56:44.413 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-3/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/pr-56550/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/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 +aa49d8ef14939ddec0e34b346b60174a5673d48f-alt test --frozen --no-run" "-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"`
Dec 14 05:56:44.767 INFO [stdout] 9faa47757a5f6ae36b25f3cdba6e0c2d7f41db24c2c10ae409aa61f1fa881a55
Dec 14 05:56:44.769 INFO running `"docker" "start" "-a" "9faa47757a5f6ae36b25f3cdba6e0c2d7f41db24c2c10ae409aa61f1fa881a55"`
Dec 14 05:56:45.911 INFO [stderr] usermod: no changes
Dec 14 05:56:45.986 INFO [stderr]    Compiling calculator v0.1.0 (/source)
Dec 14 05:56:47.287 INFO [stderr] warning: unused variable: `operators`
Dec 14 05:56:47.287 INFO [stderr]   --> src/reverse_polish_notation/parser.rs:17:10
Dec 14 05:56:47.287 INFO [stderr]    |
Dec 14 05:56:47.287 INFO [stderr] 17 |     let mut operators: Vec<Expression> = Vec::new();
Dec 14 05:56:47.287 INFO [stderr]    |             ^^^^^^^^^ help: consider using `_operators` instead
Dec 14 05:56:47.287 INFO [stderr]    |
Dec 14 05:56:47.287 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 14 05:56:47.287 INFO [stderr] 
Dec 14 05:56:47.287 INFO [stderr] warning: unused variable: `o`
Dec 14 05:56:47.287 INFO [stderr]   --> src/reverse_polish_notation/parser.rs:21:25
Dec 14 05:56:47.287 INFO [stderr]    |
Dec 14 05:56:47.287 INFO [stderr] 21 |             Expression::Operator(o)    => {},
Dec 14 05:56:47.287 INFO [stderr]    |                                  ^ help: consider using `_o` instead
Dec 14 05:56:47.287 INFO [stderr] 
Dec 14 05:56:47.287 INFO [stderr] warning: unused variable: `v`
Dec 14 05:56:47.287 INFO [stderr]   --> src/reverse_polish_notation/parser.rs:22:20
Dec 14 05:56:47.287 INFO [stderr]    |
Dec 14 05:56:47.287 INFO [stderr] 22 |             Expression::Val(v)        => output.push(ex),
Dec 14 05:56:47.287 INFO [stderr]    |                             ^ help: consider using `_v` instead
Dec 14 05:56:47.287 INFO [stderr] 
Dec 14 05:56:47.287 INFO [stderr] warning: unused variable: `operator`
Dec 14 05:56:47.287 INFO [stderr]   --> src/reverse_polish_notation/parser.rs:82:19
Dec 14 05:56:47.287 INFO [stderr]    |
Dec 14 05:56:47.287 INFO [stderr] 82 | fn get_precedence(operator: String) -> i8 {
Dec 14 05:56:47.287 INFO [stderr]    |                   ^^^^^^^^ help: consider using `_operator` instead
Dec 14 05:56:47.287 INFO [stderr] 
Dec 14 05:56:47.287 INFO [stderr] warning: variable does not need to be mutable
Dec 14 05:56:47.287 INFO [stderr]   --> src/reverse_polish_notation/parser.rs:17:6
Dec 14 05:56:47.287 INFO [stderr]    |
Dec 14 05:56:47.287 INFO [stderr] 17 |     let mut operators: Vec<Expression> = Vec::new();
Dec 14 05:56:47.287 INFO [stderr]    |         ----^^^^^^^^^
Dec 14 05:56:47.287 INFO [stderr]    |         |
Dec 14 05:56:47.287 INFO [stderr]    |         help: remove this `mut`
Dec 14 05:56:47.287 INFO [stderr]    |
Dec 14 05:56:47.287 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 14 05:56:47.287 INFO [stderr] 
Dec 14 05:56:47.295 INFO [stderr] warning: function is never used: `get_precedence`
Dec 14 05:56:47.295 INFO [stderr]   --> src/reverse_polish_notation/parser.rs:82:1
Dec 14 05:56:47.296 INFO [stderr]    |
Dec 14 05:56:47.296 INFO [stderr] 82 | fn get_precedence(operator: String) -> i8 {
Dec 14 05:56:47.296 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 05:56:47.296 INFO [stderr]    |
Dec 14 05:56:47.296 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 14 05:56:47.296 INFO [stderr] 
Dec 14 05:56:47.647 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.70s
Dec 14 05:56:47.649 INFO [stderr] su: No module specific data is present
Dec 14 05:56:48.343 INFO running `"docker" "inspect" "9faa47757a5f6ae36b25f3cdba6e0c2d7f41db24c2c10ae409aa61f1fa881a55"`
Dec 14 05:56:48.671 INFO running `"docker" "rm" "-f" "9faa47757a5f6ae36b25f3cdba6e0c2d7f41db24c2c10ae409aa61f1fa881a55"`
Dec 14 05:56:48.942 INFO [stdout] 9faa47757a5f6ae36b25f3cdba6e0c2d7f41db24c2c10ae409aa61f1fa881a55
Dec 14 05:56:48.949 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-3/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/pr-56550/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/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 +aa49d8ef14939ddec0e34b346b60174a5673d48f-alt test --frozen" "-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"`
Dec 14 05:56:49.416 INFO [stdout] b093147e61c797c8fc07b66b5e064fc4b6ffbdf2b16d1132d477a2a8b184c2b9
Dec 14 05:56:49.420 INFO running `"docker" "start" "-a" "b093147e61c797c8fc07b66b5e064fc4b6ffbdf2b16d1132d477a2a8b184c2b9"`
Dec 14 05:56:50.489 INFO [stderr] usermod: no changes
Dec 14 05:56:50.549 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
Dec 14 05:56:50.551 INFO [stderr]      Running /target/debug/deps/calculator-d4b2949b3d9d0418
Dec 14 05:56:50.555 INFO [stdout] 
Dec 14 05:56:50.555 INFO [stdout] running 0 tests
Dec 14 05:56:50.555 INFO [stdout] 
Dec 14 05:56:50.555 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 14 05:56:50.555 INFO [stdout] 
Dec 14 05:56:50.555 INFO [stdout] 
Dec 14 05:56:50.555 INFO [stdout] running 0 tests
Dec 14 05:56:50.555 INFO [stdout] 
Dec 14 05:56:50.555 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 14 05:56:50.555 INFO [stdout] 
Dec 14 05:56:50.555 INFO [stderr]      Running /target/debug/deps/calculator-e8e401c9329f5afa
Dec 14 05:56:50.555 INFO [stderr]    Doc-tests calculator
Dec 14 05:56:51.380 INFO [stdout] 
Dec 14 05:56:51.380 INFO [stdout] running 0 tests
Dec 14 05:56:51.380 INFO [stdout] 
Dec 14 05:56:51.380 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 14 05:56:51.380 INFO [stdout] 
Dec 14 05:56:51.387 INFO [stderr] su: No module specific data is present
Dec 14 05:56:52.342 INFO running `"docker" "inspect" "b093147e61c797c8fc07b66b5e064fc4b6ffbdf2b16d1132d477a2a8b184c2b9"`
Dec 14 05:56:52.497 INFO running `"docker" "rm" "-f" "b093147e61c797c8fc07b66b5e064fc4b6ffbdf2b16d1132d477a2a8b184c2b9"`
Dec 14 05:56:52.622 INFO [stdout] b093147e61c797c8fc07b66b5e064fc4b6ffbdf2b16d1132d477a2a8b184c2b9