[INFO] updating cached repository https://github.com/cardil/rust-guessing-game
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/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 1.44.0 for beta-1.45-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcardil%2Frust-guessing-game" "/workspace/builds/worker-1/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/cardil/rust-guessing-game on toolchain 1.44.0
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "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 /workspace/builds/worker-1/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 `"/workspace/cargo-home/bin/cargo" "+1.44.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-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" "+1.44.0" "build" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 4ffc7cde617fdadc669dcb591d13ad8b50f9377a2a205136051b8e2e39c6987c
[INFO] running `"docker" "start" "-a" "4ffc7cde617fdadc669dcb591d13ad8b50f9377a2a205136051b8e2e39c6987c"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling rand v0.4.2
[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] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.12s
[INFO] running `"docker" "inspect" "4ffc7cde617fdadc669dcb591d13ad8b50f9377a2a205136051b8e2e39c6987c"`
[INFO] running `"docker" "rm" "-f" "4ffc7cde617fdadc669dcb591d13ad8b50f9377a2a205136051b8e2e39c6987c"`
[INFO] [stdout] 4ffc7cde617fdadc669dcb591d13ad8b50f9377a2a205136051b8e2e39c6987c
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-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" "+1.44.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 824bb53ad094a4e77c50a0dcee58b6ae6ffc018262754a464f6436856619af45
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "824bb53ad094a4e77c50a0dcee58b6ae6ffc018262754a464f6436856619af45"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[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:81:9
[INFO] [stderr]    |
[INFO] [stderr] 81 |     let mut out = String::new();
[INFO] [stderr]    |         ^^^^^^^ help: if this is intentional, prefix it 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] warning: 4 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.87s
[INFO] running `"docker" "inspect" "824bb53ad094a4e77c50a0dcee58b6ae6ffc018262754a464f6436856619af45"`
[INFO] running `"docker" "rm" "-f" "824bb53ad094a4e77c50a0dcee58b6ae6ffc018262754a464f6436856619af45"`
[INFO] [stdout] 824bb53ad094a4e77c50a0dcee58b6ae6ffc018262754a464f6436856619af45
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-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" "+1.44.0" "test" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 2e96ddf08ab370c2cf5ea8c574d03a2c127ab58f794b12d00af97903e3204e87
[INFO] running `"docker" "start" "-a" "2e96ddf08ab370c2cf5ea8c574d03a2c127ab58f794b12d00af97903e3204e87"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[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:81:9
[INFO] [stderr]    |
[INFO] [stderr] 81 |     let mut out = String::new();
[INFO] [stderr]    |         ^^^^^^^ help: if this is intentional, prefix it 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] warning: 4 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/guessing_game-c1cb6f75a25e2802
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test game::tests::constr ... ok
[INFO] [stdout] test view::tests::test_print_win_in ... 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" "2e96ddf08ab370c2cf5ea8c574d03a2c127ab58f794b12d00af97903e3204e87"`
[INFO] running `"docker" "rm" "-f" "2e96ddf08ab370c2cf5ea8c574d03a2c127ab58f794b12d00af97903e3204e87"`
[INFO] [stdout] 2e96ddf08ab370c2cf5ea8c574d03a2c127ab58f794b12d00af97903e3204e87