Dec 11 13:51:33.682 INFO checking mcon/craftinginterpreters-rust against try#aa9aa79c3c583aab59ac9134542d60a780c35e2e for pr-56677
Dec 11 13:51:33.682 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56677/worker-7/try#aa9aa79c3c583aab59ac9134542d60a780c35e2e:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-7/pr-56677/try#aa9aa79c3c583aab59ac9134542d60a780c35e2e:/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 +aa9aa79c3c583aab59ac9134542d60a780c35e2e-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"`
Dec 11 13:51:34.071 INFO [stdout] a97055287c160c79b83dd4c83c02cf4806283f25fca27f07cf6101056682ab15
Dec 11 13:51:34.075 INFO running `"docker" "start" "-a" "a97055287c160c79b83dd4c83c02cf4806283f25fca27f07cf6101056682ab15"`
Dec 11 13:51:35.501 INFO [stderr] usermod: no changes
Dec 11 13:51:35.609 INFO [stderr]     Checking lox-rust v0.1.0 (/source)
Dec 11 13:51:36.056 INFO [stderr] warning: unused import: `scanner::TokenParseResult::TokenFound`
Dec 11 13:51:36.056 INFO [stderr]  --> src/scanner.rs:1:5
Dec 11 13:51:36.056 INFO [stderr]   |
Dec 11 13:51:36.056 INFO [stderr] 1 | use scanner::TokenParseResult::TokenFound;
Dec 11 13:51:36.056 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 13:51:36.056 INFO [stderr]   |
Dec 11 13:51:36.056 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 11 13:51:36.056 INFO [stderr] 
Dec 11 13:51:36.056 INFO [stderr] warning: unused import: `scanner::TokenParseResult::Error`
Dec 11 13:51:36.056 INFO [stderr]  --> src/scanner.rs:2:5
Dec 11 13:51:36.056 INFO [stderr]   |
Dec 11 13:51:36.056 INFO [stderr] 2 | use scanner::TokenParseResult::Error;
Dec 11 13:51:36.056 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 13:51:36.056 INFO [stderr] 
Dec 11 13:51:36.056 INFO [stderr] warning: unused import: `scanner::TokenParseResult::NoToken`
Dec 11 13:51:36.056 INFO [stderr]  --> src/scanner.rs:3:5
Dec 11 13:51:36.056 INFO [stderr]   |
Dec 11 13:51:36.056 INFO [stderr] 3 | use scanner::TokenParseResult::NoToken;
Dec 11 13:51:36.056 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 13:51:36.056 INFO [stderr] 
Dec 11 13:51:36.169 INFO [stderr] warning: unreachable statement
Dec 11 13:51:36.169 INFO [stderr]    --> src/scanner.rs:182:9
Dec 11 13:51:36.169 INFO [stderr]     |
Dec 11 13:51:36.169 INFO [stderr] 182 |         self.errors.push(format!("Unknown error parsing number on line {}", self.line));
Dec 11 13:51:36.169 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 13:51:36.169 INFO [stderr]     |
Dec 11 13:51:36.176 INFO [stderr]     = note: #[warn(unreachable_code)] on by default
Dec 11 13:51:36.176 INFO [stderr] 
Dec 11 13:51:36.224 INFO [stderr] warning: unused import: `scanner::TokenParseResult::TokenFound`
Dec 11 13:51:36.224 INFO [stderr]  --> src/scanner.rs:1:5
Dec 11 13:51:36.224 INFO [stderr]   |
Dec 11 13:51:36.224 INFO [stderr] 1 | use scanner::TokenParseResult::TokenFound;
Dec 11 13:51:36.224 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 13:51:36.240 INFO [stderr]   |
Dec 11 13:51:36.240 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 11 13:51:36.240 INFO [stderr] 
Dec 11 13:51:36.240 INFO [stderr] warning: unused import: `scanner::TokenParseResult::Error`
Dec 11 13:51:36.240 INFO [stderr]  --> src/scanner.rs:2:5
Dec 11 13:51:36.240 INFO [stderr]   |
Dec 11 13:51:36.240 INFO [stderr] 2 | use scanner::TokenParseResult::Error;
Dec 11 13:51:36.240 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 13:51:36.240 INFO [stderr] 
Dec 11 13:51:36.240 INFO [stderr] warning: unused import: `scanner::TokenParseResult::NoToken`
Dec 11 13:51:36.240 INFO [stderr]  --> src/scanner.rs:3:5
Dec 11 13:51:36.240 INFO [stderr]   |
Dec 11 13:51:36.240 INFO [stderr] 3 | use scanner::TokenParseResult::NoToken;
Dec 11 13:51:36.240 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 13:51:36.240 INFO [stderr] 
Dec 11 13:51:36.252 INFO [stderr] warning: variable does not need to be mutable
Dec 11 13:51:36.252 INFO [stderr]   --> src/scanner.rs:76:13
Dec 11 13:51:36.252 INFO [stderr]    |
Dec 11 13:51:36.252 INFO [stderr] 76 |         let mut temp_copy = self.source.clone();
Dec 11 13:51:36.252 INFO [stderr]    |             ----^^^^^^^^^
Dec 11 13:51:36.252 INFO [stderr]    |             |
Dec 11 13:51:36.252 INFO [stderr]    |             help: remove this `mut`
Dec 11 13:51:36.252 INFO [stderr]    |
Dec 11 13:51:36.252 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 11 13:51:36.252 INFO [stderr] 
Dec 11 13:51:36.284 INFO [stderr] warning: variable does not need to be mutable
Dec 11 13:51:36.284 INFO [stderr]    --> src/scanner.rs:148:17
Dec 11 13:51:36.284 INFO [stderr]     |
Dec 11 13:51:36.284 INFO [stderr] 148 |             let mut string_iter =
Dec 11 13:51:36.284 INFO [stderr]     |                 ----^^^^^^^^^^^
Dec 11 13:51:36.284 INFO [stderr]     |                 |
Dec 11 13:51:36.284 INFO [stderr]     |                 help: remove this `mut`
Dec 11 13:51:36.284 INFO [stderr] 
Dec 11 13:51:36.284 INFO [stderr] warning: variable does not need to be mutable
Dec 11 13:51:36.284 INFO [stderr]    --> src/scanner.rs:166:17
Dec 11 13:51:36.284 INFO [stderr]     |
Dec 11 13:51:36.284 INFO [stderr] 166 |             let mut string_iter =
Dec 11 13:51:36.284 INFO [stderr]     |                 ----^^^^^^^^^^^
Dec 11 13:51:36.284 INFO [stderr]     |                 |
Dec 11 13:51:36.284 INFO [stderr]     |                 help: remove this `mut`
Dec 11 13:51:36.284 INFO [stderr] 
Dec 11 13:51:36.300 INFO [stderr] warning: variable does not need to be mutable
Dec 11 13:51:36.300 INFO [stderr]    --> src/scanner.rs:189:13
Dec 11 13:51:36.300 INFO [stderr]     |
Dec 11 13:51:36.300 INFO [stderr] 189 |         let mut string_iter =
Dec 11 13:51:36.300 INFO [stderr]     |             ----^^^^^^^^^^^
Dec 11 13:51:36.300 INFO [stderr]     |             |
Dec 11 13:51:36.300 INFO [stderr]     |             help: remove this `mut`
Dec 11 13:51:36.301 INFO [stderr] 
Dec 11 13:51:36.301 INFO [stderr] warning: enum is never used: `TokenParseResult`
Dec 11 13:51:36.301 INFO [stderr]   --> src/scanner.rs:41:1
Dec 11 13:51:36.301 INFO [stderr]    |
Dec 11 13:51:36.301 INFO [stderr] 41 | enum TokenParseResult {
Dec 11 13:51:36.301 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^
Dec 11 13:51:36.301 INFO [stderr]    |
Dec 11 13:51:36.301 INFO [stderr] note: lint level defined here
Dec 11 13:51:36.301 INFO [stderr]   --> src/scanner.rs:39:8
Dec 11 13:51:36.301 INFO [stderr]    |
Dec 11 13:51:36.301 INFO [stderr] 39 | #[warn(dead_code)]
Dec 11 13:51:36.301 INFO [stderr]    |        ^^^^^^^^^
Dec 11 13:51:36.301 INFO [stderr] 
Dec 11 13:51:36.396 INFO [stderr] warning: unreachable statement
Dec 11 13:51:36.396 INFO [stderr]    --> src/scanner.rs:182:9
Dec 11 13:51:36.396 INFO [stderr]     |
Dec 11 13:51:36.396 INFO [stderr] 182 |         self.errors.push(format!("Unknown error parsing number on line {}", self.line));
Dec 11 13:51:36.396 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 13:51:36.396 INFO [stderr]     |
Dec 11 13:51:36.396 INFO [stderr]     = note: #[warn(unreachable_code)] on by default
Dec 11 13:51:36.396 INFO [stderr] 
Dec 11 13:51:36.456 INFO [stderr] warning: variable does not need to be mutable
Dec 11 13:51:36.456 INFO [stderr]   --> src/scanner.rs:76:13
Dec 11 13:51:36.456 INFO [stderr]    |
Dec 11 13:51:36.456 INFO [stderr] 76 |         let mut temp_copy = self.source.clone();
Dec 11 13:51:36.456 INFO [stderr]    |             ----^^^^^^^^^
Dec 11 13:51:36.456 INFO [stderr]    |             |
Dec 11 13:51:36.456 INFO [stderr]    |             help: remove this `mut`
Dec 11 13:51:36.456 INFO [stderr]    |
Dec 11 13:51:36.456 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 11 13:51:36.456 INFO [stderr] 
Dec 11 13:51:36.473 INFO [stderr] warning: variable does not need to be mutable
Dec 11 13:51:36.473 INFO [stderr]    --> src/scanner.rs:148:17
Dec 11 13:51:36.473 INFO [stderr]     |
Dec 11 13:51:36.473 INFO [stderr] 148 |             let mut string_iter =
Dec 11 13:51:36.473 INFO [stderr]     |                 ----^^^^^^^^^^^
Dec 11 13:51:36.473 INFO [stderr]     |                 |
Dec 11 13:51:36.473 INFO [stderr]     |                 help: remove this `mut`
Dec 11 13:51:36.473 INFO [stderr] 
Dec 11 13:51:36.496 INFO [stderr] warning: variable does not need to be mutable
Dec 11 13:51:36.496 INFO [stderr]    --> src/scanner.rs:166:17
Dec 11 13:51:36.496 INFO [stderr]     |
Dec 11 13:51:36.496 INFO [stderr] 166 |             let mut string_iter =
Dec 11 13:51:36.496 INFO [stderr]     |                 ----^^^^^^^^^^^
Dec 11 13:51:36.496 INFO [stderr]     |                 |
Dec 11 13:51:36.496 INFO [stderr]     |                 help: remove this `mut`
Dec 11 13:51:36.496 INFO [stderr] 
Dec 11 13:51:36.505 INFO [stderr] warning: variable does not need to be mutable
Dec 11 13:51:36.505 INFO [stderr]    --> src/scanner.rs:189:13
Dec 11 13:51:36.505 INFO [stderr]     |
Dec 11 13:51:36.505 INFO [stderr] 189 |         let mut string_iter =
Dec 11 13:51:36.505 INFO [stderr]     |             ----^^^^^^^^^^^
Dec 11 13:51:36.505 INFO [stderr]     |             |
Dec 11 13:51:36.505 INFO [stderr]     |             help: remove this `mut`
Dec 11 13:51:36.505 INFO [stderr] 
Dec 11 13:51:36.505 INFO [stderr] warning: enum is never used: `TokenParseResult`
Dec 11 13:51:36.505 INFO [stderr]   --> src/scanner.rs:41:1
Dec 11 13:51:36.505 INFO [stderr]    |
Dec 11 13:51:36.505 INFO [stderr] 41 | enum TokenParseResult {
Dec 11 13:51:36.505 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^
Dec 11 13:51:36.505 INFO [stderr]    |
Dec 11 13:51:36.505 INFO [stderr] note: lint level defined here
Dec 11 13:51:36.505 INFO [stderr]   --> src/scanner.rs:39:8
Dec 11 13:51:36.505 INFO [stderr]    |
Dec 11 13:51:36.505 INFO [stderr] 39 | #[warn(dead_code)]
Dec 11 13:51:36.505 INFO [stderr]    |        ^^^^^^^^^
Dec 11 13:51:36.505 INFO [stderr] 
Dec 11 13:51:36.572 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.04s
Dec 11 13:51:36.572 INFO [stderr] su: No module specific data is present
Dec 11 13:51:37.530 INFO running `"docker" "inspect" "a97055287c160c79b83dd4c83c02cf4806283f25fca27f07cf6101056682ab15"`
Dec 11 13:51:37.856 INFO running `"docker" "rm" "-f" "a97055287c160c79b83dd4c83c02cf4806283f25fca27f07cf6101056682ab15"`
Dec 11 13:51:38.183 INFO [stdout] a97055287c160c79b83dd4c83c02cf4806283f25fca27f07cf6101056682ab15