[INFO] updating cached repository https://github.com/anayelii/rusty-titanic
[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] 4d048da8cdb5b72b05223cdd95dbfeeb512e0dfe
[INFO] testing anayelii/rusty-titanic against master#28742a1146f10a4f09369baad027a464acb7a766 for pr-71274
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fanayelii%2Frusty-titanic" "/workspace/builds/worker-4/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/anayelii/rusty-titanic on toolchain 28742a1146f10a4f09369baad027a464acb7a766
[INFO] running `"/workspace/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/anayelii/rusty-titanic
[INFO] finished tweaking git repo https://github.com/anayelii/rusty-titanic
[INFO] tweaked toml for git repo https://github.com/anayelii/rusty-titanic written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/anayelii/rusty-titanic already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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=forbid" "-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" "+28742a1146f10a4f09369baad027a464acb7a766" "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] 50c1b3681fce3d627766fec75d0252fcd4b2088586462e9fce394529ba1c21ce
[INFO] running `"docker" "start" "-a" "50c1b3681fce3d627766fec75d0252fcd4b2088586462e9fce394529ba1c21ce"`
[INFO] [stderr]    Compiling rust-titanic v0.0.1 (/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:22:57
[INFO] [stderr]    |
[INFO] [stderr] 22 |     Err(why) => panic!("Couldn't open {}: {}", display, Error::description(&why)),
[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:30:45
[INFO] [stderr]    |
[INFO] [stderr] 30 |     Err(why) => panic!("couldn't read {} ", Error::description(&why)),
[INFO] [stderr]    |                                             ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.91s
[INFO] running `"docker" "inspect" "50c1b3681fce3d627766fec75d0252fcd4b2088586462e9fce394529ba1c21ce"`
[INFO] running `"docker" "rm" "-f" "50c1b3681fce3d627766fec75d0252fcd4b2088586462e9fce394529ba1c21ce"`
[INFO] [stdout] 50c1b3681fce3d627766fec75d0252fcd4b2088586462e9fce394529ba1c21ce
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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=forbid" "-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" "+28742a1146f10a4f09369baad027a464acb7a766" "test" "--frozen" "--no-run"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 2b7d38a37965259adb0423d7237bdab605c4f951b6e9cc39cb534458450c977b
[INFO] running `"docker" "start" "-a" "2b7d38a37965259adb0423d7237bdab605c4f951b6e9cc39cb534458450c977b"`
[INFO] [stderr]    Compiling rust-titanic v0.0.1 (/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:22:57
[INFO] [stderr]    |
[INFO] [stderr] 22 |     Err(why) => panic!("Couldn't open {}: {}", display, Error::description(&why)),
[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:30:45
[INFO] [stderr]    |
[INFO] [stderr] 30 |     Err(why) => panic!("couldn't read {} ", Error::description(&why)),
[INFO] [stderr]    |                                             ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.68s
[INFO] running `"docker" "inspect" "2b7d38a37965259adb0423d7237bdab605c4f951b6e9cc39cb534458450c977b"`
[INFO] running `"docker" "rm" "-f" "2b7d38a37965259adb0423d7237bdab605c4f951b6e9cc39cb534458450c977b"`
[INFO] [stdout] 2b7d38a37965259adb0423d7237bdab605c4f951b6e9cc39cb534458450c977b
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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=forbid" "-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" "+28742a1146f10a4f09369baad027a464acb7a766" "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] 9db6efc7ca40df0ef390dd42f3d1d24714e1cffa7d6f9bbd59a54031b3b1df1c
[INFO] running `"docker" "start" "-a" "9db6efc7ca40df0ef390dd42f3d1d24714e1cffa7d6f9bbd59a54031b3b1df1c"`
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]   --> src/main.rs:22:57
[INFO] [stderr]    |
[INFO] [stderr] 22 |     Err(why) => panic!("Couldn't open {}: {}", display, Error::description(&why)),
[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:30:45
[INFO] [stderr]    |
[INFO] [stderr] 30 |     Err(why) => panic!("couldn't read {} ", Error::description(&why)),
[INFO] [stderr]    |                                             ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/rust_titanic-2a719af47e203eda
[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" "9db6efc7ca40df0ef390dd42f3d1d24714e1cffa7d6f9bbd59a54031b3b1df1c"`
[INFO] running `"docker" "rm" "-f" "9db6efc7ca40df0ef390dd42f3d1d24714e1cffa7d6f9bbd59a54031b3b1df1c"`
[INFO] [stdout] 9db6efc7ca40df0ef390dd42f3d1d24714e1cffa7d6f9bbd59a54031b3b1df1c