Dec 06 09:45:55.687 INFO testing Shyclops/calculator against try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468 for pr-56514
Dec 06 09:45:55.687 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-2/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/pr-56514/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/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 +6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468-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 06 09:45:56.169 INFO [stdout] d4ea9a202d49c192461c8ddfd20323db834a64adab920eee1e493227210f4df7
Dec 06 09:45:56.171 INFO running `"docker" "start" "-a" "d4ea9a202d49c192461c8ddfd20323db834a64adab920eee1e493227210f4df7"`
Dec 06 09:45:58.252 INFO [stderr] usermod: no changes
Dec 06 09:45:58.296 INFO [stderr]    Compiling calculator v0.1.0 (/source)
Dec 06 09:45:58.732 INFO [stderr] warning: unused variable: `operators`
Dec 06 09:45:58.732 INFO [stderr]   --> src/reverse_polish_notation/parser.rs:17:10
Dec 06 09:45:58.732 INFO [stderr]    |
Dec 06 09:45:58.732 INFO [stderr] 17 |     let mut operators: Vec<Expression> = Vec::new();
Dec 06 09:45:58.732 INFO [stderr]    |             ^^^^^^^^^ help: consider using `_operators` instead
Dec 06 09:45:58.732 INFO [stderr]    |
Dec 06 09:45:58.732 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 06 09:45:58.732 INFO [stderr] 
Dec 06 09:45:58.732 INFO [stderr] warning: unused variable: `o`
Dec 06 09:45:58.732 INFO [stderr]   --> src/reverse_polish_notation/parser.rs:21:25
Dec 06 09:45:58.732 INFO [stderr]    |
Dec 06 09:45:58.732 INFO [stderr] 21 |             Expression::Operator(o)    => {},
Dec 06 09:45:58.732 INFO [stderr]    |                                  ^ help: consider using `_o` instead
Dec 06 09:45:58.732 INFO [stderr] 
Dec 06 09:45:58.732 INFO [stderr] warning: unused variable: `v`
Dec 06 09:45:58.732 INFO [stderr]   --> src/reverse_polish_notation/parser.rs:22:20
Dec 06 09:45:58.732 INFO [stderr]    |
Dec 06 09:45:58.732 INFO [stderr] 22 |             Expression::Val(v)        => output.push(ex),
Dec 06 09:45:58.732 INFO [stderr]    |                             ^ help: consider using `_v` instead
Dec 06 09:45:58.732 INFO [stderr] 
Dec 06 09:45:58.732 INFO [stderr] warning: unused variable: `operator`
Dec 06 09:45:58.732 INFO [stderr]   --> src/reverse_polish_notation/parser.rs:82:19
Dec 06 09:45:58.732 INFO [stderr]    |
Dec 06 09:45:58.732 INFO [stderr] 82 | fn get_precedence(operator: String) -> i8 {
Dec 06 09:45:58.732 INFO [stderr]    |                   ^^^^^^^^ help: consider using `_operator` instead
Dec 06 09:45:58.732 INFO [stderr] 
Dec 06 09:45:58.735 INFO [stderr] warning: variable does not need to be mutable
Dec 06 09:45:58.735 INFO [stderr]   --> src/reverse_polish_notation/parser.rs:17:6
Dec 06 09:45:58.735 INFO [stderr]    |
Dec 06 09:45:58.735 INFO [stderr] 17 |     let mut operators: Vec<Expression> = Vec::new();
Dec 06 09:45:58.735 INFO [stderr]    |         ----^^^^^^^^^
Dec 06 09:45:58.735 INFO [stderr]    |         |
Dec 06 09:45:58.735 INFO [stderr]    |         help: remove this `mut`
Dec 06 09:45:58.735 INFO [stderr]    |
Dec 06 09:45:58.735 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 06 09:45:58.735 INFO [stderr] 
Dec 06 09:45:58.738 INFO [stderr] warning: function is never used: `get_precedence`
Dec 06 09:45:58.738 INFO [stderr]   --> src/reverse_polish_notation/parser.rs:82:1
Dec 06 09:45:58.738 INFO [stderr]    |
Dec 06 09:45:58.738 INFO [stderr] 82 | fn get_precedence(operator: String) -> i8 {
Dec 06 09:45:58.738 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 06 09:45:58.738 INFO [stderr]    |
Dec 06 09:45:58.738 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 06 09:45:58.738 INFO [stderr] 
Dec 06 09:46:00.069 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.80s
Dec 06 09:46:00.079 INFO [stderr] su: No module specific data is present
Dec 06 09:46:01.090 INFO running `"docker" "inspect" "d4ea9a202d49c192461c8ddfd20323db834a64adab920eee1e493227210f4df7"`
Dec 06 09:46:01.390 INFO running `"docker" "rm" "-f" "d4ea9a202d49c192461c8ddfd20323db834a64adab920eee1e493227210f4df7"`
Dec 06 09:46:01.768 INFO [stdout] d4ea9a202d49c192461c8ddfd20323db834a64adab920eee1e493227210f4df7
Dec 06 09:46:01.770 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-2/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/pr-56514/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/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 +6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468-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 06 09:46:02.253 INFO [stdout] 0bee0a2a64042ecf4689042373cbb030b9c1477cfe2fdc92d8081c6331103fd8
Dec 06 09:46:02.255 INFO running `"docker" "start" "-a" "0bee0a2a64042ecf4689042373cbb030b9c1477cfe2fdc92d8081c6331103fd8"`
Dec 06 09:46:03.696 INFO [stderr] usermod: no changes
Dec 06 09:46:03.752 INFO [stderr]    Compiling calculator v0.1.0 (/source)
Dec 06 09:46:04.596 INFO [stderr] warning: unused variable: `operators`
Dec 06 09:46:04.596 INFO [stderr]   --> src/reverse_polish_notation/parser.rs:17:10
Dec 06 09:46:04.596 INFO [stderr]    |
Dec 06 09:46:04.596 INFO [stderr] 17 |     let mut operators: Vec<Expression> = Vec::new();
Dec 06 09:46:04.596 INFO [stderr]    |             ^^^^^^^^^ help: consider using `_operators` instead
Dec 06 09:46:04.596 INFO [stderr]    |
Dec 06 09:46:04.596 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 06 09:46:04.596 INFO [stderr] 
Dec 06 09:46:04.596 INFO [stderr] warning: unused variable: `o`
Dec 06 09:46:04.596 INFO [stderr]   --> src/reverse_polish_notation/parser.rs:21:25
Dec 06 09:46:04.596 INFO [stderr]    |
Dec 06 09:46:04.596 INFO [stderr] 21 |             Expression::Operator(o)    => {},
Dec 06 09:46:04.596 INFO [stderr]    |                                  ^ help: consider using `_o` instead
Dec 06 09:46:04.596 INFO [stderr] 
Dec 06 09:46:04.597 INFO [stderr] warning: unused variable: `v`
Dec 06 09:46:04.597 INFO [stderr]   --> src/reverse_polish_notation/parser.rs:22:20
Dec 06 09:46:04.597 INFO [stderr]    |
Dec 06 09:46:04.597 INFO [stderr] 22 |             Expression::Val(v)        => output.push(ex),
Dec 06 09:46:04.597 INFO [stderr]    |                             ^ help: consider using `_v` instead
Dec 06 09:46:04.597 INFO [stderr] 
Dec 06 09:46:04.597 INFO [stderr] warning: unused variable: `operator`
Dec 06 09:46:04.597 INFO [stderr]   --> src/reverse_polish_notation/parser.rs:82:19
Dec 06 09:46:04.597 INFO [stderr]    |
Dec 06 09:46:04.597 INFO [stderr] 82 | fn get_precedence(operator: String) -> i8 {
Dec 06 09:46:04.597 INFO [stderr]    |                   ^^^^^^^^ help: consider using `_operator` instead
Dec 06 09:46:04.597 INFO [stderr] 
Dec 06 09:46:04.597 INFO [stderr] warning: variable does not need to be mutable
Dec 06 09:46:04.597 INFO [stderr]   --> src/reverse_polish_notation/parser.rs:17:6
Dec 06 09:46:04.597 INFO [stderr]    |
Dec 06 09:46:04.597 INFO [stderr] 17 |     let mut operators: Vec<Expression> = Vec::new();
Dec 06 09:46:04.597 INFO [stderr]    |         ----^^^^^^^^^
Dec 06 09:46:04.597 INFO [stderr]    |         |
Dec 06 09:46:04.597 INFO [stderr]    |         help: remove this `mut`
Dec 06 09:46:04.597 INFO [stderr]    |
Dec 06 09:46:04.597 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 06 09:46:04.597 INFO [stderr] 
Dec 06 09:46:04.597 INFO [stderr] warning: function is never used: `get_precedence`
Dec 06 09:46:04.597 INFO [stderr]   --> src/reverse_polish_notation/parser.rs:82:1
Dec 06 09:46:04.597 INFO [stderr]    |
Dec 06 09:46:04.597 INFO [stderr] 82 | fn get_precedence(operator: String) -> i8 {
Dec 06 09:46:04.597 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 06 09:46:04.597 INFO [stderr]    |
Dec 06 09:46:04.597 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 06 09:46:04.597 INFO [stderr] 
Dec 06 09:46:05.032 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.29s
Dec 06 09:46:05.032 INFO [stderr] su: No module specific data is present
Dec 06 09:46:05.823 INFO running `"docker" "inspect" "0bee0a2a64042ecf4689042373cbb030b9c1477cfe2fdc92d8081c6331103fd8"`
Dec 06 09:46:06.155 INFO running `"docker" "rm" "-f" "0bee0a2a64042ecf4689042373cbb030b9c1477cfe2fdc92d8081c6331103fd8"`
Dec 06 09:46:06.404 INFO [stdout] 0bee0a2a64042ecf4689042373cbb030b9c1477cfe2fdc92d8081c6331103fd8
Dec 06 09:46:06.410 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-2/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/pr-56514/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/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 +6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468-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 06 09:46:06.836 INFO [stdout] 709fe615ccf4a9d454d3afb63478e21914cadf80e2e65d28b1b41d75a6d5c54a
Dec 06 09:46:06.838 INFO running `"docker" "start" "-a" "709fe615ccf4a9d454d3afb63478e21914cadf80e2e65d28b1b41d75a6d5c54a"`
Dec 06 09:46:07.876 INFO [stderr] usermod: no changes
Dec 06 09:46:07.910 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
Dec 06 09:46:07.910 INFO [stderr]      Running /target/debug/deps/calculator-071f821b55dd05a1
Dec 06 09:46:07.919 INFO [stdout] 
Dec 06 09:46:07.919 INFO [stdout] running 0 tests
Dec 06 09:46:07.919 INFO [stdout] 
Dec 06 09:46:07.919 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 06 09:46:07.919 INFO [stdout] 
Dec 06 09:46:07.922 INFO [stderr]      Running /target/debug/deps/calculator-06f0269eabc2423c
Dec 06 09:46:07.927 INFO [stdout] 
Dec 06 09:46:07.927 INFO [stdout] running 0 tests
Dec 06 09:46:07.927 INFO [stdout] 
Dec 06 09:46:07.927 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 06 09:46:07.927 INFO [stdout] 
Dec 06 09:46:07.927 INFO [stderr]    Doc-tests calculator
Dec 06 09:46:08.511 INFO [stdout] 
Dec 06 09:46:08.511 INFO [stdout] running 0 tests
Dec 06 09:46:08.511 INFO [stdout] 
Dec 06 09:46:08.511 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 06 09:46:08.511 INFO [stdout] 
Dec 06 09:46:08.520 INFO [stderr] su: No module specific data is present
Dec 06 09:46:09.276 INFO running `"docker" "inspect" "709fe615ccf4a9d454d3afb63478e21914cadf80e2e65d28b1b41d75a6d5c54a"`
Dec 06 09:46:09.554 INFO running `"docker" "rm" "-f" "709fe615ccf4a9d454d3afb63478e21914cadf80e2e65d28b1b41d75a6d5c54a"`
Dec 06 09:46:09.812 INFO [stdout] 709fe615ccf4a9d454d3afb63478e21914cadf80e2e65d28b1b41d75a6d5c54a