[INFO] updating cached repository https://github.com/cardil/rust-guessing-game
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/big/crater/work/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] f326f0a23b4726d2590e83a7a98cafb08042b6b5
[INFO] testing cardil/rust-guessing-game against beta-2019-09-28 for beta-1.39-1
[INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcardil%2Frust-guessing-game" "work/builds/worker-4/source"`
[INFO] [stderr] Cloning into 'work/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/cardil/rust-guessing-game on toolchain beta-2019-09-28
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/cardil/rust-guessing-game
[INFO] finished tweaking git repo https://github.com/cardil/rust-guessing-game
[INFO] tweaked toml for git repo https://github.com/cardil/rust-guessing-game written to work/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/cardil/rust-guessing-game already has a lockfile, it will not be regenerated
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-4/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2019-09-28" "build" "--frozen"`
[INFO] [stdout] fa4553f606476c851f8c99e4beb32579ba1b247be087b38fa5d2b4b78196b26a
[INFO] running `"docker" "start" "-a" "fa4553f606476c851f8c99e4beb32579ba1b247be087b38fa5d2b4b78196b26a"`
[INFO] [stderr]    Compiling guessing_game v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: the item `Output` is imported redundantly
[INFO] [stderr]   --> src/main.rs:22:9
[INFO] [stderr]    |
[INFO] [stderr] 6  | use view::Output;
[INFO] [stderr]    |     ------------ the item `Output` is already imported here
[INFO] [stderr] ...
[INFO] [stderr] 22 |     use view::Output;
[INFO] [stderr]    |         ^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.44s
[INFO] running `"docker" "inspect" "fa4553f606476c851f8c99e4beb32579ba1b247be087b38fa5d2b4b78196b26a"`
[INFO] running `"docker" "rm" "-f" "fa4553f606476c851f8c99e4beb32579ba1b247be087b38fa5d2b4b78196b26a"`
[INFO] [stdout] fa4553f606476c851f8c99e4beb32579ba1b247be087b38fa5d2b4b78196b26a
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-4/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2019-09-28" "test" "--frozen" "--no-run"`
[INFO] [stdout] c9f586c1c2d36a7762995e808b6175e7c43ba32f16009374000bad87c1290561
[INFO] running `"docker" "start" "-a" "c9f586c1c2d36a7762995e808b6175e7c43ba32f16009374000bad87c1290561"`
[INFO] [stderr]    Compiling guessing_game v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused import: `super::View`
[INFO] [stderr]   --> src/view.rs:77:7
[INFO] [stderr]    |
[INFO] [stderr] 77 |   use super::View;
[INFO] [stderr]    |       ^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: the item `Output` is imported redundantly
[INFO] [stderr]   --> src/main.rs:22:9
[INFO] [stderr]    |
[INFO] [stderr] 6  | use view::Output;
[INFO] [stderr]    |     ------------ the item `Output` is already imported here
[INFO] [stderr] ...
[INFO] [stderr] 22 |     use view::Output;
[INFO] [stderr]    |         ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `out`
[INFO] [stderr]   --> src/view.rs:81:13
[INFO] [stderr]    |
[INFO] [stderr] 81 |     let mut out = String::new();
[INFO] [stderr]    |             ^^^ help: consider prefixing with an underscore: `_out`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/view.rs:81:9
[INFO] [stderr]    |
[INFO] [stderr] 81 |     let mut out = String::new();
[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 0.50s
[INFO] running `"docker" "inspect" "c9f586c1c2d36a7762995e808b6175e7c43ba32f16009374000bad87c1290561"`
[INFO] running `"docker" "rm" "-f" "c9f586c1c2d36a7762995e808b6175e7c43ba32f16009374000bad87c1290561"`
[INFO] [stdout] c9f586c1c2d36a7762995e808b6175e7c43ba32f16009374000bad87c1290561
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-4/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2019-09-28" "test" "--frozen"`
[INFO] [stdout] ebe272ed4e79891194d86f760acee6e785ebae37a0190ae9a5819097c73aa746
[INFO] running `"docker" "start" "-a" "ebe272ed4e79891194d86f760acee6e785ebae37a0190ae9a5819097c73aa746"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/guessing_game-f73fa7adaf8a7161
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test view::tests::test_print_win_in ... ok
[INFO] [stdout] test game::tests::constr ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "ebe272ed4e79891194d86f760acee6e785ebae37a0190ae9a5819097c73aa746"`
[INFO] running `"docker" "rm" "-f" "ebe272ed4e79891194d86f760acee6e785ebae37a0190ae9a5819097c73aa746"`
[INFO] [stdout] ebe272ed4e79891194d86f760acee6e785ebae37a0190ae9a5819097c73aa746