[INFO] updating cached repository https://github.com/PeterWarrington/rust-guessing-game-plus-plus
[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] 139a047b89a9a2c6776b4cb2d8cecd55eb84cf31
[INFO] testing PeterWarrington/rust-guessing-game-plus-plus against 1.44.0 for beta-1.45-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPeterWarrington%2Frust-guessing-game-plus-plus" "/workspace/builds/worker-7/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/PeterWarrington/rust-guessing-game-plus-plus 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/PeterWarrington/rust-guessing-game-plus-plus
[INFO] finished tweaking git repo https://github.com/PeterWarrington/rust-guessing-game-plus-plus
[INFO] tweaked toml for git repo https://github.com/PeterWarrington/rust-guessing-game-plus-plus written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/PeterWarrington/rust-guessing-game-plus-plus 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-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] [stdout] 7a59a45fc6057b6d35db2964c8a57d08266217cdcd8b95a11b7d36fe69b4acc0
[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" "7a59a45fc6057b6d35db2964c8a57d08266217cdcd8b95a11b7d36fe69b4acc0"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling colored v1.9.0
[INFO] [stderr]    Compiling guessing_game v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]    --> src/main.rs:101:71
[INFO] [stderr]     |
[INFO] [stderr] 101 |             Err(why) => panic!("couldn't create {}: {}", display, why.description()),
[INFO] [stderr]     |                                                                       ^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]    --> src/main.rs:107:73
[INFO] [stderr]     |
[INFO] [stderr] 107 |             Err(why) => panic!("couldn't write to {}: {}", display, why.description()),
[INFO] [stderr]     |                                                                         ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.19s
[INFO] running `"docker" "inspect" "7a59a45fc6057b6d35db2964c8a57d08266217cdcd8b95a11b7d36fe69b4acc0"`
[INFO] running `"docker" "rm" "-f" "7a59a45fc6057b6d35db2964c8a57d08266217cdcd8b95a11b7d36fe69b4acc0"`
[INFO] [stdout] 7a59a45fc6057b6d35db2964c8a57d08266217cdcd8b95a11b7d36fe69b4acc0
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] 9286cefae014409f5281aaac31b4034677d6431c81d8b5133f45306d46bdd04b
[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" "9286cefae014409f5281aaac31b4034677d6431c81d8b5133f45306d46bdd04b"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling guessing_game v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]    --> src/main.rs:101:71
[INFO] [stderr]     |
[INFO] [stderr] 101 |             Err(why) => panic!("couldn't create {}: {}", display, why.description()),
[INFO] [stderr]     |                                                                       ^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]    --> src/main.rs:107:73
[INFO] [stderr]     |
[INFO] [stderr] 107 |             Err(why) => panic!("couldn't write to {}: {}", display, why.description()),
[INFO] [stderr]     |                                                                         ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.76s
[INFO] running `"docker" "inspect" "9286cefae014409f5281aaac31b4034677d6431c81d8b5133f45306d46bdd04b"`
[INFO] running `"docker" "rm" "-f" "9286cefae014409f5281aaac31b4034677d6431c81d8b5133f45306d46bdd04b"`
[INFO] [stdout] 9286cefae014409f5281aaac31b4034677d6431c81d8b5133f45306d46bdd04b
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] [stdout] de0f9dec30ac3a1b7f95b9df96535df3cff87133fb8d8e18b5a70cc537de02d2
[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" "de0f9dec30ac3a1b7f95b9df96535df3cff87133fb8d8e18b5a70cc537de02d2"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]    --> src/main.rs:101:71
[INFO] [stderr]     |
[INFO] [stderr] 101 |             Err(why) => panic!("couldn't create {}: {}", display, why.description()),
[INFO] [stderr]     |                                                                       ^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]    --> src/main.rs:107:73
[INFO] [stderr]     |
[INFO] [stderr] 107 |             Err(why) => panic!("couldn't write to {}: {}", display, why.description()),
[INFO] [stderr]     |                                                                         ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/guessing_game-5a6a44d092e623bf
[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" "de0f9dec30ac3a1b7f95b9df96535df3cff87133fb8d8e18b5a70cc537de02d2"`
[INFO] running `"docker" "rm" "-f" "de0f9dec30ac3a1b7f95b9df96535df3cff87133fb8d8e18b5a70cc537de02d2"`
[INFO] [stdout] de0f9dec30ac3a1b7f95b9df96535df3cff87133fb8d8e18b5a70cc537de02d2