Nov 29 20:28:22.534 INFO checking pipct/bananagrams-host against try#32252761328f59ccfadb1bafb8148c685bc830b3 for pr-56323
Nov 29 20:28:22.535 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56323/worker-2/try#32252761328f59ccfadb1bafb8148c685bc830b3:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/pr-56323/try#32252761328f59ccfadb1bafb8148c685bc830b3:/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 +32252761328f59ccfadb1bafb8148c685bc830b3-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"`
Nov 29 20:28:22.996 INFO [stdout] d9c15d345ac0e22258ba8563c85a54b0ed45e8a37a298e9643552461037b1cae
Nov 29 20:28:23.003 INFO running `"docker" "start" "-a" "d9c15d345ac0e22258ba8563c85a54b0ed45e8a37a298e9643552461037b1cae"`
Nov 29 20:28:24.007 INFO [stderr] usermod: no changes
Nov 29 20:28:24.076 INFO [stderr]     Checking bananagrams-host v0.1.0 (/source)
Nov 29 20:28:24.432 INFO [stderr] warning: unused import: `std::io::BufReader`
Nov 29 20:28:24.432 INFO [stderr]  --> src/main.rs:6:5
Nov 29 20:28:24.432 INFO [stderr]   |
Nov 29 20:28:24.432 INFO [stderr] 6 | use std::io::BufReader;
Nov 29 20:28:24.432 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^
Nov 29 20:28:24.432 INFO [stderr]   |
Nov 29 20:28:24.432 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Nov 29 20:28:24.432 INFO [stderr] 
Nov 29 20:28:24.440 INFO [stderr] warning: unused import: `std::io::BufReader`
Nov 29 20:28:24.440 INFO [stderr]  --> src/main.rs:6:5
Nov 29 20:28:24.440 INFO [stderr]   |
Nov 29 20:28:24.440 INFO [stderr] 6 | use std::io::BufReader;
Nov 29 20:28:24.440 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^
Nov 29 20:28:24.440 INFO [stderr]   |
Nov 29 20:28:24.440 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Nov 29 20:28:24.440 INFO [stderr] 
Nov 29 20:28:24.600 INFO [stderr] warning: unused variable: `GameState`
Nov 29 20:28:24.600 INFO [stderr]    --> src/main.rs:122:13
Nov 29 20:28:24.600 INFO [stderr]     |
Nov 29 20:28:24.600 INFO [stderr] 122 |     let mut GameState = GameState::Waiting(vec![false; 5]);
Nov 29 20:28:24.600 INFO [stderr]     |             ^^^^^^^^^ help: consider using `_GameState` instead
Nov 29 20:28:24.600 INFO [stderr]     |
Nov 29 20:28:24.600 INFO [stderr]     = note: #[warn(unused_variables)] on by default
Nov 29 20:28:24.600 INFO [stderr] 
Nov 29 20:28:24.624 INFO [stderr] warning: variable does not need to be mutable
Nov 29 20:28:24.624 INFO [stderr]    --> src/main.rs:122:9
Nov 29 20:28:24.624 INFO [stderr]     |
Nov 29 20:28:24.624 INFO [stderr] 122 |     let mut GameState = GameState::Waiting(vec![false; 5]);
Nov 29 20:28:24.624 INFO [stderr]     |         ----^^^^^^^^^
Nov 29 20:28:24.624 INFO [stderr]     |         |
Nov 29 20:28:24.624 INFO [stderr]     |         help: remove this `mut`
Nov 29 20:28:24.624 INFO [stderr]     |
Nov 29 20:28:24.624 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Nov 29 20:28:24.624 INFO [stderr] 
Nov 29 20:28:24.624 INFO [stderr] warning: variant is never constructed: `ProtocolError`
Nov 29 20:28:24.624 INFO [stderr]   --> src/main.rs:42:5
Nov 29 20:28:24.624 INFO [stderr]    |
Nov 29 20:28:24.624 INFO [stderr] 42 |     ProtocolError,
Nov 29 20:28:24.624 INFO [stderr]    |     ^^^^^^^^^^^^^
Nov 29 20:28:24.627 INFO [stderr]    |
Nov 29 20:28:24.627 INFO [stderr]    = note: #[warn(dead_code)] on by default
Nov 29 20:28:24.627 INFO [stderr] 
Nov 29 20:28:24.627 INFO [stderr] warning: variant is never constructed: `UnexpectedEOF`
Nov 29 20:28:24.627 INFO [stderr]   --> src/main.rs:43:5
Nov 29 20:28:24.627 INFO [stderr]    |
Nov 29 20:28:24.627 INFO [stderr] 43 |     UnexpectedEOF,
Nov 29 20:28:24.628 INFO [stderr]    |     ^^^^^^^^^^^^^
Nov 29 20:28:24.628 INFO [stderr] 
Nov 29 20:28:24.628 INFO [stderr] warning: variant is never constructed: `LetterError`
Nov 29 20:28:24.628 INFO [stderr]   --> src/main.rs:44:5
Nov 29 20:28:24.628 INFO [stderr]    |
Nov 29 20:28:24.628 INFO [stderr] 44 |     LetterError
Nov 29 20:28:24.628 INFO [stderr]    |     ^^^^^^^^^^^
Nov 29 20:28:24.628 INFO [stderr] 
Nov 29 20:28:24.628 INFO [stderr] warning: function `readDigit` should have a snake case name such as `read_digit`
Nov 29 20:28:24.628 INFO [stderr]   --> src/main.rs:49:1
Nov 29 20:28:24.628 INFO [stderr]    |
Nov 29 20:28:24.628 INFO [stderr] 49 | / fn readDigit(chr: u8) -> u8 {
Nov 29 20:28:24.628 INFO [stderr] 50 | |     if chr < 0x30 || 0x39 < chr {
Nov 29 20:28:24.628 INFO [stderr] 51 | |         panic!("not a digit: {}", chr);
Nov 29 20:28:24.628 INFO [stderr] 52 | |     }
Nov 29 20:28:24.628 INFO [stderr] 53 | |
Nov 29 20:28:24.628 INFO [stderr] 54 | |     chr - 0x30
Nov 29 20:28:24.628 INFO [stderr] 55 | | }
Nov 29 20:28:24.628 INFO [stderr]    | |_^
Nov 29 20:28:24.628 INFO [stderr]    |
Nov 29 20:28:24.628 INFO [stderr]    = note: #[warn(non_snake_case)] on by default
Nov 29 20:28:24.628 INFO [stderr] 
Nov 29 20:28:24.628 INFO [stderr] warning: function `readInt` should have a snake case name such as `read_int`
Nov 29 20:28:24.628 INFO [stderr]   --> src/main.rs:57:1
Nov 29 20:28:24.628 INFO [stderr]    |
Nov 29 20:28:24.628 INFO [stderr] 57 | / fn readInt<T>(seq: T) -> u64 where T: IntoIterator<Item=u8> {
Nov 29 20:28:24.628 INFO [stderr] 58 | |     seq.into_iter().fold(0, |acc, x| (acc*10) + readDigit(x) as u64)
Nov 29 20:28:24.628 INFO [stderr] 59 | | }
Nov 29 20:28:24.628 INFO [stderr]    | |_^
Nov 29 20:28:24.628 INFO [stderr] 
Nov 29 20:28:24.628 INFO [stderr] warning: variable `GameState` should have a snake case name such as `game_state`
Nov 29 20:28:24.628 INFO [stderr]    --> src/main.rs:122:9
Nov 29 20:28:24.628 INFO [stderr]     |
Nov 29 20:28:24.628 INFO [stderr] 122 |     let mut GameState = GameState::Waiting(vec![false; 5]);
Nov 29 20:28:24.628 INFO [stderr]     |         ^^^^^^^^^^^^^
Nov 29 20:28:24.628 INFO [stderr] 
Nov 29 20:28:24.652 INFO [stderr] warning: unused variable: `GameState`
Nov 29 20:28:24.652 INFO [stderr]    --> src/main.rs:122:13
Nov 29 20:28:24.652 INFO [stderr]     |
Nov 29 20:28:24.652 INFO [stderr] 122 |     let mut GameState = GameState::Waiting(vec![false; 5]);
Nov 29 20:28:24.652 INFO [stderr]     |             ^^^^^^^^^ help: consider using `_GameState` instead
Nov 29 20:28:24.652 INFO [stderr]     |
Nov 29 20:28:24.652 INFO [stderr]     = note: #[warn(unused_variables)] on by default
Nov 29 20:28:24.652 INFO [stderr] 
Nov 29 20:28:24.688 INFO [stderr] warning: variable does not need to be mutable
Nov 29 20:28:24.688 INFO [stderr]    --> src/main.rs:122:9
Nov 29 20:28:24.688 INFO [stderr]     |
Nov 29 20:28:24.688 INFO [stderr] 122 |     let mut GameState = GameState::Waiting(vec![false; 5]);
Nov 29 20:28:24.688 INFO [stderr]     |         ----^^^^^^^^^
Nov 29 20:28:24.688 INFO [stderr]     |         |
Nov 29 20:28:24.688 INFO [stderr]     |         help: remove this `mut`
Nov 29 20:28:24.688 INFO [stderr]     |
Nov 29 20:28:24.688 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Nov 29 20:28:24.688 INFO [stderr] 
Nov 29 20:28:24.688 INFO [stderr] warning: variant is never constructed: `ProtocolError`
Nov 29 20:28:24.688 INFO [stderr]   --> src/main.rs:42:5
Nov 29 20:28:24.688 INFO [stderr]    |
Nov 29 20:28:24.688 INFO [stderr] 42 |     ProtocolError,
Nov 29 20:28:24.688 INFO [stderr]    |     ^^^^^^^^^^^^^
Nov 29 20:28:24.688 INFO [stderr]    |
Nov 29 20:28:24.688 INFO [stderr]    = note: #[warn(dead_code)] on by default
Nov 29 20:28:24.688 INFO [stderr] 
Nov 29 20:28:24.688 INFO [stderr] warning: variant is never constructed: `UnexpectedEOF`
Nov 29 20:28:24.688 INFO [stderr]   --> src/main.rs:43:5
Nov 29 20:28:24.688 INFO [stderr]    |
Nov 29 20:28:24.688 INFO [stderr] 43 |     UnexpectedEOF,
Nov 29 20:28:24.688 INFO [stderr]    |     ^^^^^^^^^^^^^
Nov 29 20:28:24.688 INFO [stderr] 
Nov 29 20:28:24.688 INFO [stderr] warning: variant is never constructed: `LetterError`
Nov 29 20:28:24.688 INFO [stderr]   --> src/main.rs:44:5
Nov 29 20:28:24.688 INFO [stderr]    |
Nov 29 20:28:24.688 INFO [stderr] 44 |     LetterError
Nov 29 20:28:24.688 INFO [stderr]    |     ^^^^^^^^^^^
Nov 29 20:28:24.688 INFO [stderr] 
Nov 29 20:28:24.688 INFO [stderr] warning: function `readDigit` should have a snake case name such as `read_digit`
Nov 29 20:28:24.688 INFO [stderr]   --> src/main.rs:49:1
Nov 29 20:28:24.688 INFO [stderr]    |
Nov 29 20:28:24.688 INFO [stderr] 49 | / fn readDigit(chr: u8) -> u8 {
Nov 29 20:28:24.688 INFO [stderr] 50 | |     if chr < 0x30 || 0x39 < chr {
Nov 29 20:28:24.688 INFO [stderr] 51 | |         panic!("not a digit: {}", chr);
Nov 29 20:28:24.688 INFO [stderr] 52 | |     }
Nov 29 20:28:24.688 INFO [stderr] 53 | |
Nov 29 20:28:24.688 INFO [stderr] 54 | |     chr - 0x30
Nov 29 20:28:24.688 INFO [stderr] 55 | | }
Nov 29 20:28:24.688 INFO [stderr]    | |_^
Nov 29 20:28:24.688 INFO [stderr]    |
Nov 29 20:28:24.688 INFO [stderr]    = note: #[warn(non_snake_case)] on by default
Nov 29 20:28:24.688 INFO [stderr] 
Nov 29 20:28:24.689 INFO [stderr] warning: function `readInt` should have a snake case name such as `read_int`
Nov 29 20:28:24.689 INFO [stderr]   --> src/main.rs:57:1
Nov 29 20:28:24.689 INFO [stderr]    |
Nov 29 20:28:24.689 INFO [stderr] 57 | / fn readInt<T>(seq: T) -> u64 where T: IntoIterator<Item=u8> {
Nov 29 20:28:24.689 INFO [stderr] 58 | |     seq.into_iter().fold(0, |acc, x| (acc*10) + readDigit(x) as u64)
Nov 29 20:28:24.689 INFO [stderr] 59 | | }
Nov 29 20:28:24.689 INFO [stderr]    | |_^
Nov 29 20:28:24.689 INFO [stderr] 
Nov 29 20:28:24.689 INFO [stderr] warning: variable `GameState` should have a snake case name such as `game_state`
Nov 29 20:28:24.689 INFO [stderr]    --> src/main.rs:122:9
Nov 29 20:28:24.689 INFO [stderr]     |
Nov 29 20:28:24.689 INFO [stderr] 122 |     let mut GameState = GameState::Waiting(vec![false; 5]);
Nov 29 20:28:24.689 INFO [stderr]     |         ^^^^^^^^^^^^^
Nov 29 20:28:24.689 INFO [stderr] 
Nov 29 20:28:24.716 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.67s
Nov 29 20:28:24.716 INFO [stderr] su: No module specific data is present
Nov 29 20:28:25.214 INFO running `"docker" "inspect" "d9c15d345ac0e22258ba8563c85a54b0ed45e8a37a298e9643552461037b1cae"`
Nov 29 20:28:25.474 INFO running `"docker" "rm" "-f" "d9c15d345ac0e22258ba8563c85a54b0ed45e8a37a298e9643552461037b1cae"`
Nov 29 20:28:25.716 INFO [stdout] d9c15d345ac0e22258ba8563c85a54b0ed45e8a37a298e9643552461037b1cae