Dec 13 11:06:48.503 INFO testing mcon/craftinginterpreters-rust against master#bd47d6825bf4090517549d33cfef10d3300b4a75 for pr-56550
Dec 13 11:06:48.503 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-4/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-56550/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/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 +bd47d6825bf4090517549d33cfef10d3300b4a75-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 13 11:06:49.040 INFO [stdout] d529dc62ca884d7347e8c62013b12f670661f281206f63e8df3c78981fbdafd4
Dec 13 11:06:49.042 INFO running `"docker" "start" "-a" "d529dc62ca884d7347e8c62013b12f670661f281206f63e8df3c78981fbdafd4"`
Dec 13 11:06:50.257 INFO [stderr] usermod: no changes
Dec 13 11:06:50.371 INFO [stderr]    Compiling lox-rust v0.1.0 (/source)
Dec 13 11:06:50.806 INFO [stderr] warning: unused import: `scanner::TokenParseResult::TokenFound`
Dec 13 11:06:50.806 INFO [stderr]  --> src/scanner.rs:1:5
Dec 13 11:06:50.806 INFO [stderr]   |
Dec 13 11:06:50.806 INFO [stderr] 1 | use scanner::TokenParseResult::TokenFound;
Dec 13 11:06:50.806 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 13 11:06:50.806 INFO [stderr]   |
Dec 13 11:06:50.806 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 13 11:06:50.806 INFO [stderr] 
Dec 13 11:06:50.806 INFO [stderr] warning: unused import: `scanner::TokenParseResult::Error`
Dec 13 11:06:50.806 INFO [stderr]  --> src/scanner.rs:2:5
Dec 13 11:06:50.806 INFO [stderr]   |
Dec 13 11:06:50.806 INFO [stderr] 2 | use scanner::TokenParseResult::Error;
Dec 13 11:06:50.806 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 13 11:06:50.806 INFO [stderr] 
Dec 13 11:06:50.806 INFO [stderr] warning: unused import: `scanner::TokenParseResult::NoToken`
Dec 13 11:06:50.806 INFO [stderr]  --> src/scanner.rs:3:5
Dec 13 11:06:50.806 INFO [stderr]   |
Dec 13 11:06:50.806 INFO [stderr] 3 | use scanner::TokenParseResult::NoToken;
Dec 13 11:06:50.806 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 13 11:06:50.806 INFO [stderr] 
Dec 13 11:06:50.919 INFO [stderr] warning: unreachable statement
Dec 13 11:06:50.919 INFO [stderr]    --> src/scanner.rs:182:9
Dec 13 11:06:50.919 INFO [stderr]     |
Dec 13 11:06:50.919 INFO [stderr] 182 |         self.errors.push(format!("Unknown error parsing number on line {}", self.line));
Dec 13 11:06:50.919 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 13 11:06:50.919 INFO [stderr]     |
Dec 13 11:06:50.919 INFO [stderr]     = note: #[warn(unreachable_code)] on by default
Dec 13 11:06:50.919 INFO [stderr] 
Dec 13 11:06:50.955 INFO [stderr] warning: variable does not need to be mutable
Dec 13 11:06:50.955 INFO [stderr]   --> src/scanner.rs:76:13
Dec 13 11:06:50.955 INFO [stderr]    |
Dec 13 11:06:50.955 INFO [stderr] 76 |         let mut temp_copy = self.source.clone();
Dec 13 11:06:50.955 INFO [stderr]    |             ----^^^^^^^^^
Dec 13 11:06:50.955 INFO [stderr]    |             |
Dec 13 11:06:50.955 INFO [stderr]    |             help: remove this `mut`
Dec 13 11:06:50.955 INFO [stderr]    |
Dec 13 11:06:50.955 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 13 11:06:50.955 INFO [stderr] 
Dec 13 11:06:50.971 INFO [stderr] warning: variable does not need to be mutable
Dec 13 11:06:50.971 INFO [stderr]    --> src/scanner.rs:148:17
Dec 13 11:06:50.971 INFO [stderr]     |
Dec 13 11:06:50.971 INFO [stderr] 148 |             let mut string_iter =
Dec 13 11:06:50.971 INFO [stderr]     |                 ----^^^^^^^^^^^
Dec 13 11:06:50.971 INFO [stderr]     |                 |
Dec 13 11:06:50.971 INFO [stderr]     |                 help: remove this `mut`
Dec 13 11:06:50.971 INFO [stderr] 
Dec 13 11:06:50.979 INFO [stderr] warning: variable does not need to be mutable
Dec 13 11:06:50.979 INFO [stderr]    --> src/scanner.rs:166:17
Dec 13 11:06:50.979 INFO [stderr]     |
Dec 13 11:06:50.979 INFO [stderr] 166 |             let mut string_iter =
Dec 13 11:06:50.979 INFO [stderr]     |                 ----^^^^^^^^^^^
Dec 13 11:06:50.979 INFO [stderr]     |                 |
Dec 13 11:06:50.979 INFO [stderr]     |                 help: remove this `mut`
Dec 13 11:06:50.979 INFO [stderr] 
Dec 13 11:06:50.999 INFO [stderr] warning: variable does not need to be mutable
Dec 13 11:06:50.999 INFO [stderr]    --> src/scanner.rs:189:13
Dec 13 11:06:50.999 INFO [stderr]     |
Dec 13 11:06:50.999 INFO [stderr] 189 |         let mut string_iter =
Dec 13 11:06:50.999 INFO [stderr]     |             ----^^^^^^^^^^^
Dec 13 11:06:50.999 INFO [stderr]     |             |
Dec 13 11:06:50.999 INFO [stderr]     |             help: remove this `mut`
Dec 13 11:06:50.999 INFO [stderr] 
Dec 13 11:06:50.999 INFO [stderr] warning: enum is never used: `TokenParseResult`
Dec 13 11:06:50.999 INFO [stderr]   --> src/scanner.rs:41:1
Dec 13 11:06:50.999 INFO [stderr]    |
Dec 13 11:06:50.999 INFO [stderr] 41 | enum TokenParseResult {
Dec 13 11:06:50.999 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^
Dec 13 11:06:50.999 INFO [stderr]    |
Dec 13 11:06:50.999 INFO [stderr] note: lint level defined here
Dec 13 11:06:50.999 INFO [stderr]   --> src/scanner.rs:39:8
Dec 13 11:06:50.999 INFO [stderr]    |
Dec 13 11:06:50.999 INFO [stderr] 39 | #[warn(dead_code)]
Dec 13 11:06:50.999 INFO [stderr]    |        ^^^^^^^^^
Dec 13 11:06:50.999 INFO [stderr] 
Dec 13 11:06:52.183 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.87s
Dec 13 11:06:52.187 INFO [stderr] su: No module specific data is present
Dec 13 11:06:52.871 INFO running `"docker" "inspect" "d529dc62ca884d7347e8c62013b12f670661f281206f63e8df3c78981fbdafd4"`
Dec 13 11:06:53.168 INFO running `"docker" "rm" "-f" "d529dc62ca884d7347e8c62013b12f670661f281206f63e8df3c78981fbdafd4"`
Dec 13 11:06:53.452 INFO [stdout] d529dc62ca884d7347e8c62013b12f670661f281206f63e8df3c78981fbdafd4
Dec 13 11:06:53.455 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-4/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-56550/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/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 +bd47d6825bf4090517549d33cfef10d3300b4a75-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 13 11:06:54.075 INFO [stdout] 92f8dfc88a5d1bb5e84728a2bcb5edc9f38629d22e21aabee94bec19defcf046
Dec 13 11:06:54.081 INFO running `"docker" "start" "-a" "92f8dfc88a5d1bb5e84728a2bcb5edc9f38629d22e21aabee94bec19defcf046"`
Dec 13 11:06:55.342 INFO [stderr] usermod: no changes
Dec 13 11:06:55.387 INFO [stderr]    Compiling lox-rust v0.1.0 (/source)
Dec 13 11:06:55.759 INFO [stderr] warning: unused import: `scanner::TokenParseResult::TokenFound`
Dec 13 11:06:55.759 INFO [stderr]  --> src/scanner.rs:1:5
Dec 13 11:06:55.759 INFO [stderr]   |
Dec 13 11:06:55.759 INFO [stderr] 1 | use scanner::TokenParseResult::TokenFound;
Dec 13 11:06:55.759 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 13 11:06:55.759 INFO [stderr]   |
Dec 13 11:06:55.759 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 13 11:06:55.759 INFO [stderr] 
Dec 13 11:06:55.759 INFO [stderr] warning: unused import: `scanner::TokenParseResult::Error`
Dec 13 11:06:55.759 INFO [stderr]  --> src/scanner.rs:2:5
Dec 13 11:06:55.759 INFO [stderr]   |
Dec 13 11:06:55.759 INFO [stderr] 2 | use scanner::TokenParseResult::Error;
Dec 13 11:06:55.759 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 13 11:06:55.759 INFO [stderr] 
Dec 13 11:06:55.759 INFO [stderr] warning: unused import: `scanner::TokenParseResult::NoToken`
Dec 13 11:06:55.759 INFO [stderr]  --> src/scanner.rs:3:5
Dec 13 11:06:55.759 INFO [stderr]   |
Dec 13 11:06:55.759 INFO [stderr] 3 | use scanner::TokenParseResult::NoToken;
Dec 13 11:06:55.759 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 13 11:06:55.759 INFO [stderr] 
Dec 13 11:06:55.880 INFO [stderr] warning: unreachable statement
Dec 13 11:06:55.880 INFO [stderr]    --> src/scanner.rs:182:9
Dec 13 11:06:55.880 INFO [stderr]     |
Dec 13 11:06:55.880 INFO [stderr] 182 |         self.errors.push(format!("Unknown error parsing number on line {}", self.line));
Dec 13 11:06:55.880 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 13 11:06:55.880 INFO [stderr]     |
Dec 13 11:06:55.880 INFO [stderr]     = note: #[warn(unreachable_code)] on by default
Dec 13 11:06:55.880 INFO [stderr] 
Dec 13 11:06:55.880 INFO [stderr] warning: variable does not need to be mutable
Dec 13 11:06:55.880 INFO [stderr]   --> src/scanner.rs:76:13
Dec 13 11:06:55.880 INFO [stderr]    |
Dec 13 11:06:55.880 INFO [stderr] 76 |         let mut temp_copy = self.source.clone();
Dec 13 11:06:55.880 INFO [stderr]    |             ----^^^^^^^^^
Dec 13 11:06:55.880 INFO [stderr]    |             |
Dec 13 11:06:55.880 INFO [stderr]    |             help: remove this `mut`
Dec 13 11:06:55.880 INFO [stderr]    |
Dec 13 11:06:55.880 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 13 11:06:55.880 INFO [stderr] 
Dec 13 11:06:55.880 INFO [stderr] warning: variable does not need to be mutable
Dec 13 11:06:55.880 INFO [stderr]    --> src/scanner.rs:148:17
Dec 13 11:06:55.880 INFO [stderr]     |
Dec 13 11:06:55.880 INFO [stderr] 148 |             let mut string_iter =
Dec 13 11:06:55.880 INFO [stderr]     |                 ----^^^^^^^^^^^
Dec 13 11:06:55.880 INFO [stderr]     |                 |
Dec 13 11:06:55.880 INFO [stderr]     |                 help: remove this `mut`
Dec 13 11:06:55.880 INFO [stderr] 
Dec 13 11:06:55.887 INFO [stderr] warning: variable does not need to be mutable
Dec 13 11:06:55.887 INFO [stderr]    --> src/scanner.rs:166:17
Dec 13 11:06:55.887 INFO [stderr]     |
Dec 13 11:06:55.887 INFO [stderr] 166 |             let mut string_iter =
Dec 13 11:06:55.979 INFO [stderr]     |                 ----^^^^^^^^^^^
Dec 13 11:06:55.979 INFO [stderr]     |                 |
Dec 13 11:06:55.979 INFO [stderr]     |                 help: remove this `mut`
Dec 13 11:06:55.979 INFO [stderr] 
Dec 13 11:06:55.979 INFO [stderr] warning: variable does not need to be mutable
Dec 13 11:06:55.979 INFO [stderr]    --> src/scanner.rs:189:13
Dec 13 11:06:55.979 INFO [stderr]     |
Dec 13 11:06:55.979 INFO [stderr] 189 |         let mut string_iter =
Dec 13 11:06:55.979 INFO [stderr]     |             ----^^^^^^^^^^^
Dec 13 11:06:55.979 INFO [stderr]     |             |
Dec 13 11:06:55.979 INFO [stderr]     |             help: remove this `mut`
Dec 13 11:06:55.979 INFO [stderr] 
Dec 13 11:06:55.979 INFO [stderr] warning: enum is never used: `TokenParseResult`
Dec 13 11:06:55.979 INFO [stderr]   --> src/scanner.rs:41:1
Dec 13 11:06:55.979 INFO [stderr]    |
Dec 13 11:06:55.979 INFO [stderr] 41 | enum TokenParseResult {
Dec 13 11:06:55.979 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^
Dec 13 11:06:55.979 INFO [stderr]    |
Dec 13 11:06:55.979 INFO [stderr] note: lint level defined here
Dec 13 11:06:55.979 INFO [stderr]   --> src/scanner.rs:39:8
Dec 13 11:06:55.979 INFO [stderr]    |
Dec 13 11:06:55.979 INFO [stderr] 39 | #[warn(dead_code)]
Dec 13 11:06:55.979 INFO [stderr]    |        ^^^^^^^^^
Dec 13 11:06:55.979 INFO [stderr] 
Dec 13 11:06:56.352 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.99s
Dec 13 11:06:56.355 INFO [stderr] su: No module specific data is present
Dec 13 11:06:57.095 INFO running `"docker" "inspect" "92f8dfc88a5d1bb5e84728a2bcb5edc9f38629d22e21aabee94bec19defcf046"`
Dec 13 11:06:57.373 INFO running `"docker" "rm" "-f" "92f8dfc88a5d1bb5e84728a2bcb5edc9f38629d22e21aabee94bec19defcf046"`
Dec 13 11:06:57.659 INFO [stdout] 92f8dfc88a5d1bb5e84728a2bcb5edc9f38629d22e21aabee94bec19defcf046
Dec 13 11:06:57.665 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-4/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-56550/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/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 +bd47d6825bf4090517549d33cfef10d3300b4a75-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 13 11:06:58.115 INFO [stdout] f6bc54cfeaf159c2f7fdfb41d8996a6ce0ca3cdc7ea5360c60fed3641118c26a
Dec 13 11:06:58.117 INFO running `"docker" "start" "-a" "f6bc54cfeaf159c2f7fdfb41d8996a6ce0ca3cdc7ea5360c60fed3641118c26a"`
Dec 13 11:06:59.263 INFO [stderr] usermod: no changes
Dec 13 11:06:59.335 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
Dec 13 11:06:59.335 INFO [stdout] 
Dec 13 11:06:59.335 INFO [stderr]      Running /target/debug/deps/lox_rust-4260d26149dd4776
Dec 13 11:06:59.335 INFO [stdout] running 0 tests
Dec 13 11:06:59.335 INFO [stdout] 
Dec 13 11:06:59.335 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 13 11:06:59.335 INFO [stdout] 
Dec 13 11:06:59.347 INFO [stderr] su: No module specific data is present
Dec 13 11:06:59.880 INFO running `"docker" "inspect" "f6bc54cfeaf159c2f7fdfb41d8996a6ce0ca3cdc7ea5360c60fed3641118c26a"`
Dec 13 11:07:00.158 INFO running `"docker" "rm" "-f" "f6bc54cfeaf159c2f7fdfb41d8996a6ce0ca3cdc7ea5360c60fed3641118c26a"`
Dec 13 11:07:00.475 INFO [stdout] f6bc54cfeaf159c2f7fdfb41d8996a6ce0ca3cdc7ea5360c60fed3641118c26a