Dec 05 02:47:21.195 INFO checking DomParfitt/rex against master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc for pr-56481
Dec 05 02:47:21.196 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-0/master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/pr-56481/master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc:/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 +c8ae2de8363be088604ffa2ccba84ff7ad7250bc-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 05 02:47:21.611 INFO [stdout] d2eb841ac592cf08fdb1131bf26f46f13ece69ed84b4d37168f4de8320ac964f
Dec 05 02:47:21.623 INFO running `"docker" "start" "-a" "d2eb841ac592cf08fdb1131bf26f46f13ece69ed84b4d37168f4de8320ac964f"`
Dec 05 02:47:23.162 INFO [stderr] usermod: no changes
Dec 05 02:47:23.215 INFO [stderr]     Checking rex v0.1.0 (/source)
Dec 05 02:47:23.947 INFO [stderr] warning: unused import: `lexer::token::TokenType::Digit`
Dec 05 02:47:23.947 INFO [stderr]  --> src/lexer/mod.rs:1:5
Dec 05 02:47:23.947 INFO [stderr]   |
Dec 05 02:47:23.947 INFO [stderr] 1 | use lexer::token::TokenType::Digit;
Dec 05 02:47:23.947 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 02:47:23.947 INFO [stderr]   |
Dec 05 02:47:23.947 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 05 02:47:23.947 INFO [stderr] 
Dec 05 02:47:23.947 INFO [stderr] warning: unused import: `TokenType`
Dec 05 02:47:23.947 INFO [stderr]  --> src/lexer/mod.rs:2:27
Dec 05 02:47:23.947 INFO [stderr]   |
Dec 05 02:47:23.947 INFO [stderr] 2 | use lexer::token::{Token, TokenType};
Dec 05 02:47:23.947 INFO [stderr]   |                           ^^^^^^^^^
Dec 05 02:47:23.947 INFO [stderr] 
Dec 05 02:47:24.047 INFO [stderr] warning: variant is never constructed: `Whitespace`
Dec 05 02:47:24.047 INFO [stderr]  --> src/lexer/token/mod.rs:8:5
Dec 05 02:47:24.047 INFO [stderr]   |
Dec 05 02:47:24.047 INFO [stderr] 8 |     Whitespace,
Dec 05 02:47:24.047 INFO [stderr]   |     ^^^^^^^^^^
Dec 05 02:47:24.047 INFO [stderr]   |
Dec 05 02:47:24.047 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 05 02:47:24.047 INFO [stderr] 
Dec 05 02:47:24.047 INFO [stderr] warning: variant is never constructed: `OpenBrace`
Dec 05 02:47:24.047 INFO [stderr]   --> src/lexer/token/mod.rs:11:5
Dec 05 02:47:24.047 INFO [stderr]    |
Dec 05 02:47:24.047 INFO [stderr] 11 |     OpenBrace,
Dec 05 02:47:24.047 INFO [stderr]    |     ^^^^^^^^^
Dec 05 02:47:24.047 INFO [stderr] 
Dec 05 02:47:24.047 INFO [stderr] warning: variant is never constructed: `CloseBrace`
Dec 05 02:47:24.047 INFO [stderr]   --> src/lexer/token/mod.rs:12:5
Dec 05 02:47:24.047 INFO [stderr]    |
Dec 05 02:47:24.047 INFO [stderr] 12 |     CloseBrace,
Dec 05 02:47:24.047 INFO [stderr]    |     ^^^^^^^^^^
Dec 05 02:47:24.047 INFO [stderr] 
Dec 05 02:47:24.047 INFO [stderr] warning: variant is never constructed: `Dash`
Dec 05 02:47:24.047 INFO [stderr]   --> src/lexer/token/mod.rs:13:5
Dec 05 02:47:24.047 INFO [stderr]    |
Dec 05 02:47:24.047 INFO [stderr] 13 |     Dash,
Dec 05 02:47:24.047 INFO [stderr]    |     ^^^^
Dec 05 02:47:24.047 INFO [stderr] 
Dec 05 02:47:24.047 INFO [stderr] warning: variant is never constructed: `Dot`
Dec 05 02:47:24.047 INFO [stderr]   --> src/lexer/token/mod.rs:14:5
Dec 05 02:47:24.047 INFO [stderr]    |
Dec 05 02:47:24.047 INFO [stderr] 14 |     Dot,
Dec 05 02:47:24.047 INFO [stderr]    |     ^^^
Dec 05 02:47:24.047 INFO [stderr] 
Dec 05 02:47:24.047 INFO [stderr] warning: variant is never constructed: `Wildcard`
Dec 05 02:47:24.047 INFO [stderr]   --> src/lexer/token/mod.rs:15:5
Dec 05 02:47:24.047 INFO [stderr]    |
Dec 05 02:47:24.047 INFO [stderr] 15 |     Wildcard,
Dec 05 02:47:24.047 INFO [stderr]    |     ^^^^^^^^
Dec 05 02:47:24.047 INFO [stderr] 
Dec 05 02:47:24.047 INFO [stderr] warning: method is never used: `is_letter`
Dec 05 02:47:24.047 INFO [stderr]   --> src/lexer/token/mod.rs:23:5
Dec 05 02:47:24.047 INFO [stderr]    |
Dec 05 02:47:24.047 INFO [stderr] 23 |     fn is_letter(ch: char) -> bool {
Dec 05 02:47:24.047 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 02:47:24.047 INFO [stderr] 
Dec 05 02:47:24.235 INFO [stderr] warning: unused import: `lexer::token::TokenType::Digit`
Dec 05 02:47:24.235 INFO [stderr]  --> src/lexer/mod.rs:1:5
Dec 05 02:47:24.235 INFO [stderr]   |
Dec 05 02:47:24.235 INFO [stderr] 1 | use lexer::token::TokenType::Digit;
Dec 05 02:47:24.235 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 02:47:24.235 INFO [stderr]   |
Dec 05 02:47:24.235 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 05 02:47:24.235 INFO [stderr] 
Dec 05 02:47:24.235 INFO [stderr] warning: unused import: `TokenType`
Dec 05 02:47:24.235 INFO [stderr]  --> src/lexer/mod.rs:2:27
Dec 05 02:47:24.235 INFO [stderr]   |
Dec 05 02:47:24.235 INFO [stderr] 2 | use lexer::token::{Token, TokenType};
Dec 05 02:47:24.235 INFO [stderr]   |                           ^^^^^^^^^
Dec 05 02:47:24.235 INFO [stderr] 
Dec 05 02:47:24.303 INFO [stderr] warning: variant is never constructed: `Whitespace`
Dec 05 02:47:24.303 INFO [stderr]  --> src/lexer/token/mod.rs:8:5
Dec 05 02:47:24.303 INFO [stderr]   |
Dec 05 02:47:24.303 INFO [stderr] 8 |     Whitespace,
Dec 05 02:47:24.303 INFO [stderr]   |     ^^^^^^^^^^
Dec 05 02:47:24.303 INFO [stderr]   |
Dec 05 02:47:24.303 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 05 02:47:24.303 INFO [stderr] 
Dec 05 02:47:24.303 INFO [stderr] warning: variant is never constructed: `OpenBrace`
Dec 05 02:47:24.303 INFO [stderr]   --> src/lexer/token/mod.rs:11:5
Dec 05 02:47:24.303 INFO [stderr]    |
Dec 05 02:47:24.303 INFO [stderr] 11 |     OpenBrace,
Dec 05 02:47:24.303 INFO [stderr]    |     ^^^^^^^^^
Dec 05 02:47:24.303 INFO [stderr] 
Dec 05 02:47:24.303 INFO [stderr] warning: variant is never constructed: `CloseBrace`
Dec 05 02:47:24.303 INFO [stderr]   --> src/lexer/token/mod.rs:12:5
Dec 05 02:47:24.303 INFO [stderr]    |
Dec 05 02:47:24.303 INFO [stderr] 12 |     CloseBrace,
Dec 05 02:47:24.303 INFO [stderr]    |     ^^^^^^^^^^
Dec 05 02:47:24.303 INFO [stderr] 
Dec 05 02:47:24.303 INFO [stderr] warning: variant is never constructed: `Dash`
Dec 05 02:47:24.303 INFO [stderr]   --> src/lexer/token/mod.rs:13:5
Dec 05 02:47:24.303 INFO [stderr]    |
Dec 05 02:47:24.303 INFO [stderr] 13 |     Dash,
Dec 05 02:47:24.303 INFO [stderr]    |     ^^^^
Dec 05 02:47:24.303 INFO [stderr] 
Dec 05 02:47:24.303 INFO [stderr] warning: variant is never constructed: `Dot`
Dec 05 02:47:24.303 INFO [stderr]   --> src/lexer/token/mod.rs:14:5
Dec 05 02:47:24.303 INFO [stderr]    |
Dec 05 02:47:24.303 INFO [stderr] 14 |     Dot,
Dec 05 02:47:24.303 INFO [stderr]    |     ^^^
Dec 05 02:47:24.303 INFO [stderr] 
Dec 05 02:47:24.303 INFO [stderr] warning: variant is never constructed: `Wildcard`
Dec 05 02:47:24.303 INFO [stderr]   --> src/lexer/token/mod.rs:15:5
Dec 05 02:47:24.303 INFO [stderr]    |
Dec 05 02:47:24.303 INFO [stderr] 15 |     Wildcard,
Dec 05 02:47:24.303 INFO [stderr]    |     ^^^^^^^^
Dec 05 02:47:24.303 INFO [stderr] 
Dec 05 02:47:24.303 INFO [stderr] warning: method is never used: `is_letter`
Dec 05 02:47:24.303 INFO [stderr]   --> src/lexer/token/mod.rs:23:5
Dec 05 02:47:24.303 INFO [stderr]    |
Dec 05 02:47:24.303 INFO [stderr] 23 |     fn is_letter(ch: char) -> bool {
Dec 05 02:47:24.303 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 02:47:24.303 INFO [stderr] 
Dec 05 02:47:24.331 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.14s
Dec 05 02:47:24.331 INFO [stderr] su: No module specific data is present
Dec 05 02:47:25.005 INFO running `"docker" "inspect" "d2eb841ac592cf08fdb1131bf26f46f13ece69ed84b4d37168f4de8320ac964f"`
Dec 05 02:47:25.327 INFO running `"docker" "rm" "-f" "d2eb841ac592cf08fdb1131bf26f46f13ece69ed84b4d37168f4de8320ac964f"`
Dec 05 02:47:25.669 INFO [stdout] d2eb841ac592cf08fdb1131bf26f46f13ece69ed84b4d37168f4de8320ac964f