[INFO] updating cached repository mv86/hangman-rust
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/mv86/hangman-rust
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/mv86/hangman-rust" "work/ex/beta-1.37-6/sources/1.36.0/gh/mv86/hangman-rust"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/mv86/hangman-rust'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/mv86/hangman-rust" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/mv86/hangman-rust"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/mv86/hangman-rust'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 7c7e8f59f3488cc008ad4e6a33390c24462a3e72
[INFO] sha for GitHub repo mv86/hangman-rust: 7c7e8f59f3488cc008ad4e6a33390c24462a3e72
[INFO] validating manifest of mv86/hangman-rust on toolchain 1.36.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of mv86/hangman-rust on toolchain beta-2019-07-23
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing mv86/hangman-rust
[INFO] finished frobbing mv86/hangman-rust
[INFO] frobbed toml for mv86/hangman-rust written to work/ex/beta-1.37-6/sources/1.36.0/gh/mv86/hangman-rust/Cargo.toml
[INFO] started frobbing mv86/hangman-rust
[INFO] finished frobbing mv86/hangman-rust
[INFO] frobbed toml for mv86/hangman-rust written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/mv86/hangman-rust/Cargo.toml
[INFO] crate mv86/hangman-rust already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing mv86/hangman-rust against 1.36.0 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-7/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/mv86/hangman-rust:/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" "+1.36.0" "build" "--frozen"`
[INFO] [stdout] 4407634b955e838af9b8d8b50c64fd05b52dd227f18c8814458edc58cc69807e
[INFO] running `"docker" "start" "-a" "4407634b955e838af9b8d8b50c64fd05b52dd227f18c8814458edc58cc69807e"`
[INFO] [stderr]    Compiling hangman v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]  --> src/main.rs:5:9
[INFO] [stderr]   |
[INFO] [stderr] 5 |     let mut player1 = player::new_player(String::from("Max"));
[INFO] [stderr]   |         ----^^^^^^^
[INFO] [stderr]   |         |
[INFO] [stderr]   |         help: remove this `mut`
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_mut)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.82s
[INFO] running `"docker" "inspect" "4407634b955e838af9b8d8b50c64fd05b52dd227f18c8814458edc58cc69807e"`
[INFO] running `"docker" "rm" "-f" "4407634b955e838af9b8d8b50c64fd05b52dd227f18c8814458edc58cc69807e"`
[INFO] [stdout] 4407634b955e838af9b8d8b50c64fd05b52dd227f18c8814458edc58cc69807e
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-7/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/mv86/hangman-rust:/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" "+1.36.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 2c4a59cc43f3ded44fb438e900fe40a1a54e587eda4e00f39b226e9f4f68836a
[INFO] running `"docker" "start" "-a" "2c4a59cc43f3ded44fb438e900fe40a1a54e587eda4e00f39b226e9f4f68836a"`
[INFO] [stderr]    Compiling hangman v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]  --> src/main.rs:5:9
[INFO] [stderr]   |
[INFO] [stderr] 5 |     let mut player1 = player::new_player(String::from("Max"));
[INFO] [stderr]   |         ----^^^^^^^
[INFO] [stderr]   |         |
[INFO] [stderr]   |         help: remove this `mut`
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_mut)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.57s
[INFO] running `"docker" "inspect" "2c4a59cc43f3ded44fb438e900fe40a1a54e587eda4e00f39b226e9f4f68836a"`
[INFO] running `"docker" "rm" "-f" "2c4a59cc43f3ded44fb438e900fe40a1a54e587eda4e00f39b226e9f4f68836a"`
[INFO] [stdout] 2c4a59cc43f3ded44fb438e900fe40a1a54e587eda4e00f39b226e9f4f68836a
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-7/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/mv86/hangman-rust:/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" "+1.36.0" "test" "--frozen"`
[INFO] [stdout] 111175c44f448e6d7d175c09c187160e0abd618ad505801afb31c76ebb235cd2
[INFO] running `"docker" "start" "-a" "111175c44f448e6d7d175c09c187160e0abd618ad505801afb31c76ebb235cd2"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/hangman-6d96e0bf1270b978
[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" "111175c44f448e6d7d175c09c187160e0abd618ad505801afb31c76ebb235cd2"`
[INFO] running `"docker" "rm" "-f" "111175c44f448e6d7d175c09c187160e0abd618ad505801afb31c76ebb235cd2"`
[INFO] [stdout] 111175c44f448e6d7d175c09c187160e0abd618ad505801afb31c76ebb235cd2