[INFO] updating cached repository ShaunKarran/cab403-rs
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/ShaunKarran/cab403-rs
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/ShaunKarran/cab403-rs" "work/ex/beta-1.38-1/sources/1.37.0/gh/ShaunKarran/cab403-rs"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/ShaunKarran/cab403-rs'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/ShaunKarran/cab403-rs" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/ShaunKarran/cab403-rs"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/ShaunKarran/cab403-rs'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 6b2d984ec05b6180360b84870ed5bfebad85607f
[INFO] sha for GitHub repo ShaunKarran/cab403-rs: 6b2d984ec05b6180360b84870ed5bfebad85607f
[INFO] validating manifest of ShaunKarran/cab403-rs on toolchain 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of ShaunKarran/cab403-rs on toolchain beta-2019-08-13
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing ShaunKarran/cab403-rs
[INFO] finished frobbing ShaunKarran/cab403-rs
[INFO] frobbed toml for ShaunKarran/cab403-rs written to work/ex/beta-1.38-1/sources/1.37.0/gh/ShaunKarran/cab403-rs/Cargo.toml
[INFO] started frobbing ShaunKarran/cab403-rs
[INFO] finished frobbing ShaunKarran/cab403-rs
[INFO] frobbed toml for ShaunKarran/cab403-rs written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/ShaunKarran/cab403-rs/Cargo.toml
[INFO] crate ShaunKarran/cab403-rs already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing ShaunKarran/cab403-rs against beta-2019-08-13 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/ShaunKarran/cab403-rs:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+beta-2019-08-13" "build" "--frozen"`
[INFO] [stdout] ab55346ac16fc17e2ddf1e1ed714d1891dcee41be41b077e92cbc6159558dd13
[INFO] running `"docker" "start" "-a" "ab55346ac16fc17e2ddf1e1ed714d1891dcee41be41b077e92cbc6159558dd13"`
[INFO] [stderr]    Compiling bincode v0.9.2
[INFO] [stderr]    Compiling threadpool v1.7.0
[INFO] [stderr]    Compiling simplelog v0.4.2
[INFO] [stderr]    Compiling cab403-rs v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused variable: `word_set`
[INFO] [stderr]   --> src/hangman.rs:28:20
[INFO] [stderr]    |
[INFO] [stderr] 28 |     fn select_word(word_set: HashSet<String>) -> String {
[INFO] [stderr]    |                    ^^^^^^^^ help: consider prefixing with an underscore: `_word_set`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `word`
[INFO] [stderr]  --> src/hangman.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 |     word: String,
[INFO] [stderr]   |     ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `word_character_set`
[INFO] [stderr]  --> src/hangman.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 |     word_character_set: HashSet<char>,
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `number_allowed_guesses`
[INFO] [stderr]  --> src/hangman.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 |     number_allowed_guesses: usize,
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `ServerMessage`, `State`
[INFO] [stderr]   --> src/bin/server.rs:19:50
[INFO] [stderr]    |
[INFO] [stderr] 19 | use cab403_rs::communication::{Command, Message, ServerMessage, Selection, State, encode_and_write, read_and_decode};
[INFO] [stderr]    |                                                  ^^^^^^^^^^^^^             ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.26s
[INFO] running `"docker" "inspect" "ab55346ac16fc17e2ddf1e1ed714d1891dcee41be41b077e92cbc6159558dd13"`
[INFO] running `"docker" "rm" "-f" "ab55346ac16fc17e2ddf1e1ed714d1891dcee41be41b077e92cbc6159558dd13"`
[INFO] [stdout] ab55346ac16fc17e2ddf1e1ed714d1891dcee41be41b077e92cbc6159558dd13
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/ShaunKarran/cab403-rs:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+beta-2019-08-13" "test" "--frozen" "--no-run"`
[INFO] [stdout] 21b49e7a79077e2192f1e6a703a49fe8c35d65166175fe7631077f73bc15bdbc
[INFO] running `"docker" "start" "-a" "21b49e7a79077e2192f1e6a703a49fe8c35d65166175fe7631077f73bc15bdbc"`
[INFO] [stderr]    Compiling cab403-rs v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `super::Game`
[INFO] [stderr]   --> src/hangman.rs:45:9
[INFO] [stderr]    |
[INFO] [stderr] 45 |     use super::Game;
[INFO] [stderr]    |         ^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `word_set`
[INFO] [stderr]   --> src/hangman.rs:28:20
[INFO] [stderr]    |
[INFO] [stderr] 28 |     fn select_word(word_set: HashSet<String>) -> String {
[INFO] [stderr]    |                    ^^^^^^^^ help: consider prefixing with an underscore: `_word_set`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `word`
[INFO] [stderr]  --> src/hangman.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 |     word: String,
[INFO] [stderr]   |     ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `word_character_set`
[INFO] [stderr]  --> src/hangman.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 |     word_character_set: HashSet<char>,
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `number_allowed_guesses`
[INFO] [stderr]  --> src/hangman.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 |     number_allowed_guesses: usize,
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `ServerMessage`, `State`
[INFO] [stderr]   --> src/bin/server.rs:19:50
[INFO] [stderr]    |
[INFO] [stderr] 19 | use cab403_rs::communication::{Command, Message, ServerMessage, Selection, State, encode_and_write, read_and_decode};
[INFO] [stderr]    |                                                  ^^^^^^^^^^^^^             ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.48s
[INFO] running `"docker" "inspect" "21b49e7a79077e2192f1e6a703a49fe8c35d65166175fe7631077f73bc15bdbc"`
[INFO] running `"docker" "rm" "-f" "21b49e7a79077e2192f1e6a703a49fe8c35d65166175fe7631077f73bc15bdbc"`
[INFO] [stdout] 21b49e7a79077e2192f1e6a703a49fe8c35d65166175fe7631077f73bc15bdbc
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/ShaunKarran/cab403-rs:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+beta-2019-08-13" "test" "--frozen"`
[INFO] [stdout] 08ce73cfb36e187945cc9d3f81a02c7dcd15a72b5cdc26d83f8bb3d426ad6d94
[INFO] running `"docker" "start" "-a" "08ce73cfb36e187945cc9d3f81a02c7dcd15a72b5cdc26d83f8bb3d426ad6d94"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/cab403_rs-606ef85bb6218e27
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test hangman::tests::test ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/crater/target/debug/deps/client-cb093ab9ed416ee3
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/crater/target/debug/deps/server-08ec7ca2a3847609
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests cab403-rs
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "08ce73cfb36e187945cc9d3f81a02c7dcd15a72b5cdc26d83f8bb3d426ad6d94"`
[INFO] running `"docker" "rm" "-f" "08ce73cfb36e187945cc9d3f81a02c7dcd15a72b5cdc26d83f8bb3d426ad6d94"`
[INFO] [stdout] 08ce73cfb36e187945cc9d3f81a02c7dcd15a72b5cdc26d83f8bb3d426ad6d94