Dec 04 12:20:50.285 INFO checking pipct/bananagrams-host against master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc for pr-56481
Dec 04 12:20:50.285 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 04 12:20:50.828 INFO [stdout] 8dd076038cd5819d3ffdbad07c998cb81a33187cbdc6241bc5e5969c58771677
Dec 04 12:20:50.830 INFO running `"docker" "start" "-a" "8dd076038cd5819d3ffdbad07c998cb81a33187cbdc6241bc5e5969c58771677"`
Dec 04 12:20:52.193 INFO [stderr] usermod: no changes
Dec 04 12:20:52.291 INFO [stderr]     Checking bananagrams-host v0.1.0 (/source)
Dec 04 12:20:52.619 INFO [stderr] warning: unused import: `std::io::BufReader`
Dec 04 12:20:52.619 INFO [stderr]  --> src/main.rs:6:5
Dec 04 12:20:52.619 INFO [stderr]   |
Dec 04 12:20:52.619 INFO [stderr] 6 | use std::io::BufReader;
Dec 04 12:20:52.619 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^
Dec 04 12:20:52.619 INFO [stderr]   |
Dec 04 12:20:52.619 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 04 12:20:52.619 INFO [stderr] 
Dec 04 12:20:52.771 INFO [stderr] warning: unused variable: `GameState`
Dec 04 12:20:52.771 INFO [stderr]    --> src/main.rs:122:13
Dec 04 12:20:52.771 INFO [stderr]     |
Dec 04 12:20:52.771 INFO [stderr] 122 |     let mut GameState = GameState::Waiting(vec![false; 5]);
Dec 04 12:20:52.771 INFO [stderr]     |             ^^^^^^^^^ help: consider using `_GameState` instead
Dec 04 12:20:52.771 INFO [stderr]     |
Dec 04 12:20:52.771 INFO [stderr]     = note: #[warn(unused_variables)] on by default
Dec 04 12:20:52.771 INFO [stderr] 
Dec 04 12:20:52.783 INFO [stderr] warning: unused import: `std::io::BufReader`
Dec 04 12:20:52.783 INFO [stderr]  --> src/main.rs:6:5
Dec 04 12:20:52.783 INFO [stderr]   |
Dec 04 12:20:52.783 INFO [stderr] 6 | use std::io::BufReader;
Dec 04 12:20:52.783 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^
Dec 04 12:20:52.783 INFO [stderr]   |
Dec 04 12:20:52.783 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 04 12:20:52.783 INFO [stderr] 
Dec 04 12:20:52.811 INFO [stderr] warning: variable does not need to be mutable
Dec 04 12:20:52.811 INFO [stderr]    --> src/main.rs:122:9
Dec 04 12:20:52.811 INFO [stderr]     |
Dec 04 12:20:52.811 INFO [stderr] 122 |     let mut GameState = GameState::Waiting(vec![false; 5]);
Dec 04 12:20:52.811 INFO [stderr]     |         ----^^^^^^^^^
Dec 04 12:20:52.811 INFO [stderr]     |         |
Dec 04 12:20:52.811 INFO [stderr]     |         help: remove this `mut`
Dec 04 12:20:52.811 INFO [stderr]     |
Dec 04 12:20:52.811 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Dec 04 12:20:52.811 INFO [stderr] 
Dec 04 12:20:52.811 INFO [stderr] warning: variant is never constructed: `ProtocolError`
Dec 04 12:20:52.811 INFO [stderr]   --> src/main.rs:42:5
Dec 04 12:20:52.811 INFO [stderr]    |
Dec 04 12:20:52.811 INFO [stderr] 42 |     ProtocolError,
Dec 04 12:20:52.811 INFO [stderr]    |     ^^^^^^^^^^^^^
Dec 04 12:20:52.811 INFO [stderr]    |
Dec 04 12:20:52.811 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 04 12:20:52.811 INFO [stderr] 
Dec 04 12:20:52.811 INFO [stderr] warning: variant is never constructed: `UnexpectedEOF`
Dec 04 12:20:52.811 INFO [stderr]   --> src/main.rs:43:5
Dec 04 12:20:52.811 INFO [stderr]    |
Dec 04 12:20:52.811 INFO [stderr] 43 |     UnexpectedEOF,
Dec 04 12:20:52.811 INFO [stderr]    |     ^^^^^^^^^^^^^
Dec 04 12:20:52.811 INFO [stderr] 
Dec 04 12:20:52.811 INFO [stderr] warning: variant is never constructed: `LetterError`
Dec 04 12:20:52.811 INFO [stderr]   --> src/main.rs:44:5
Dec 04 12:20:52.811 INFO [stderr]    |
Dec 04 12:20:52.811 INFO [stderr] 44 |     LetterError
Dec 04 12:20:52.811 INFO [stderr]    |     ^^^^^^^^^^^
Dec 04 12:20:52.811 INFO [stderr] 
Dec 04 12:20:52.811 INFO [stderr] warning: function `readDigit` should have a snake case name such as `read_digit`
Dec 04 12:20:52.811 INFO [stderr]   --> src/main.rs:49:1
Dec 04 12:20:52.811 INFO [stderr]    |
Dec 04 12:20:52.811 INFO [stderr] 49 | / fn readDigit(chr: u8) -> u8 {
Dec 04 12:20:52.811 INFO [stderr] 50 | |     if chr < 0x30 || 0x39 < chr {
Dec 04 12:20:52.811 INFO [stderr] 51 | |         panic!("not a digit: {}", chr);
Dec 04 12:20:52.811 INFO [stderr] 52 | |     }
Dec 04 12:20:52.811 INFO [stderr] 53 | |
Dec 04 12:20:52.811 INFO [stderr] 54 | |     chr - 0x30
Dec 04 12:20:52.811 INFO [stderr] 55 | | }
Dec 04 12:20:52.811 INFO [stderr]    | |_^
Dec 04 12:20:52.812 INFO [stderr]    |
Dec 04 12:20:52.812 INFO [stderr]    = note: #[warn(non_snake_case)] on by default
Dec 04 12:20:52.812 INFO [stderr] 
Dec 04 12:20:52.812 INFO [stderr] warning: function `readInt` should have a snake case name such as `read_int`
Dec 04 12:20:52.812 INFO [stderr]   --> src/main.rs:57:1
Dec 04 12:20:52.812 INFO [stderr]    |
Dec 04 12:20:52.812 INFO [stderr] 57 | / fn readInt<T>(seq: T) -> u64 where T: IntoIterator<Item=u8> {
Dec 04 12:20:52.812 INFO [stderr] 58 | |     seq.into_iter().fold(0, |acc, x| (acc*10) + readDigit(x) as u64)
Dec 04 12:20:52.812 INFO [stderr] 59 | | }
Dec 04 12:20:52.812 INFO [stderr]    | |_^
Dec 04 12:20:52.812 INFO [stderr] 
Dec 04 12:20:52.812 INFO [stderr] warning: variable `GameState` should have a snake case name such as `game_state`
Dec 04 12:20:52.812 INFO [stderr]    --> src/main.rs:122:9
Dec 04 12:20:52.812 INFO [stderr]     |
Dec 04 12:20:52.812 INFO [stderr] 122 |     let mut GameState = GameState::Waiting(vec![false; 5]);
Dec 04 12:20:52.812 INFO [stderr]     |         ^^^^^^^^^^^^^
Dec 04 12:20:52.812 INFO [stderr] 
Dec 04 12:20:52.915 INFO [stderr] warning: unused variable: `GameState`
Dec 04 12:20:52.915 INFO [stderr]    --> src/main.rs:122:13
Dec 04 12:20:52.915 INFO [stderr]     |
Dec 04 12:20:52.915 INFO [stderr] 122 |     let mut GameState = GameState::Waiting(vec![false; 5]);
Dec 04 12:20:52.915 INFO [stderr]     |             ^^^^^^^^^ help: consider using `_GameState` instead
Dec 04 12:20:52.915 INFO [stderr]     |
Dec 04 12:20:52.915 INFO [stderr]     = note: #[warn(unused_variables)] on by default
Dec 04 12:20:52.915 INFO [stderr] 
Dec 04 12:20:52.943 INFO [stderr] warning: variable does not need to be mutable
Dec 04 12:20:52.943 INFO [stderr]    --> src/main.rs:122:9
Dec 04 12:20:52.943 INFO [stderr]     |
Dec 04 12:20:52.943 INFO [stderr] 122 |     let mut GameState = GameState::Waiting(vec![false; 5]);
Dec 04 12:20:52.943 INFO [stderr]     |         ----^^^^^^^^^
Dec 04 12:20:52.943 INFO [stderr]     |         |
Dec 04 12:20:52.943 INFO [stderr]     |         help: remove this `mut`
Dec 04 12:20:52.943 INFO [stderr]     |
Dec 04 12:20:52.943 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Dec 04 12:20:52.943 INFO [stderr] 
Dec 04 12:20:52.943 INFO [stderr] warning: variant is never constructed: `ProtocolError`
Dec 04 12:20:52.943 INFO [stderr]   --> src/main.rs:42:5
Dec 04 12:20:52.943 INFO [stderr]    |
Dec 04 12:20:52.943 INFO [stderr] 42 |     ProtocolError,
Dec 04 12:20:52.943 INFO [stderr]    |     ^^^^^^^^^^^^^
Dec 04 12:20:52.943 INFO [stderr]    |
Dec 04 12:20:52.943 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 04 12:20:52.943 INFO [stderr] 
Dec 04 12:20:52.944 INFO [stderr] warning: variant is never constructed: `UnexpectedEOF`
Dec 04 12:20:52.944 INFO [stderr]   --> src/main.rs:43:5
Dec 04 12:20:52.944 INFO [stderr]    |
Dec 04 12:20:52.944 INFO [stderr] 43 |     UnexpectedEOF,
Dec 04 12:20:52.944 INFO [stderr]    |     ^^^^^^^^^^^^^
Dec 04 12:20:52.944 INFO [stderr] 
Dec 04 12:20:52.944 INFO [stderr] warning: variant is never constructed: `LetterError`
Dec 04 12:20:52.944 INFO [stderr]   --> src/main.rs:44:5
Dec 04 12:20:52.944 INFO [stderr]    |
Dec 04 12:20:52.944 INFO [stderr] 44 |     LetterError
Dec 04 12:20:52.944 INFO [stderr]    |     ^^^^^^^^^^^
Dec 04 12:20:52.944 INFO [stderr] 
Dec 04 12:20:52.944 INFO [stderr] warning: function `readDigit` should have a snake case name such as `read_digit`
Dec 04 12:20:52.944 INFO [stderr]   --> src/main.rs:49:1
Dec 04 12:20:52.944 INFO [stderr]    |
Dec 04 12:20:52.944 INFO [stderr] 49 | / fn readDigit(chr: u8) -> u8 {
Dec 04 12:20:52.944 INFO [stderr] 50 | |     if chr < 0x30 || 0x39 < chr {
Dec 04 12:20:52.944 INFO [stderr] 51 | |         panic!("not a digit: {}", chr);
Dec 04 12:20:52.944 INFO [stderr] 52 | |     }
Dec 04 12:20:52.944 INFO [stderr] 53 | |
Dec 04 12:20:52.944 INFO [stderr] 54 | |     chr - 0x30
Dec 04 12:20:52.944 INFO [stderr] 55 | | }
Dec 04 12:20:52.944 INFO [stderr]    | |_^
Dec 04 12:20:52.944 INFO [stderr]    |
Dec 04 12:20:52.944 INFO [stderr]    = note: #[warn(non_snake_case)] on by default
Dec 04 12:20:52.944 INFO [stderr] 
Dec 04 12:20:52.944 INFO [stderr] warning: function `readInt` should have a snake case name such as `read_int`
Dec 04 12:20:52.944 INFO [stderr]   --> src/main.rs:57:1
Dec 04 12:20:52.944 INFO [stderr]    |
Dec 04 12:20:52.944 INFO [stderr] 57 | / fn readInt<T>(seq: T) -> u64 where T: IntoIterator<Item=u8> {
Dec 04 12:20:52.944 INFO [stderr] 58 | |     seq.into_iter().fold(0, |acc, x| (acc*10) + readDigit(x) as u64)
Dec 04 12:20:52.944 INFO [stderr] 59 | | }
Dec 04 12:20:52.944 INFO [stderr]    | |_^
Dec 04 12:20:52.944 INFO [stderr] 
Dec 04 12:20:52.944 INFO [stderr] warning: variable `GameState` should have a snake case name such as `game_state`
Dec 04 12:20:52.944 INFO [stderr]    --> src/main.rs:122:9
Dec 04 12:20:52.944 INFO [stderr]     |
Dec 04 12:20:52.944 INFO [stderr] 122 |     let mut GameState = GameState::Waiting(vec![false; 5]);
Dec 04 12:20:52.944 INFO [stderr]     |         ^^^^^^^^^^^^^
Dec 04 12:20:52.944 INFO [stderr] 
Dec 04 12:20:52.969 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.73s
Dec 04 12:20:52.970 INFO [stderr] su: No module specific data is present
Dec 04 12:20:53.645 INFO running `"docker" "inspect" "8dd076038cd5819d3ffdbad07c998cb81a33187cbdc6241bc5e5969c58771677"`
Dec 04 12:20:53.932 INFO running `"docker" "rm" "-f" "8dd076038cd5819d3ffdbad07c998cb81a33187cbdc6241bc5e5969c58771677"`
Dec 04 12:20:54.255 INFO [stdout] 8dd076038cd5819d3ffdbad07c998cb81a33187cbdc6241bc5e5969c58771677