[INFO] updating cached repository https://github.com/a-braham/generics_traits_lifetimes
[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] 4a4ffc5a5f386886e68c899d8787ad1771f97674
[INFO] testing a-braham/generics_traits_lifetimes against master#28742a1146f10a4f09369baad027a464acb7a766 for pr-71274
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fa-braham%2Fgenerics_traits_lifetimes" "/workspace/builds/worker-10/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-10/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/a-braham/generics_traits_lifetimes 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/a-braham/generics_traits_lifetimes
[INFO] finished tweaking git repo https://github.com/a-braham/generics_traits_lifetimes
[INFO] tweaked toml for git repo https://github.com/a-braham/generics_traits_lifetimes written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] crate git repo https://github.com/a-braham/generics_traits_lifetimes 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-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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] 23acfd2a323dccb12a52e46bf6a05608b5b80bed3ab0010206105909a5ba6ffb
[INFO] running `"docker" "start" "-a" "23acfd2a323dccb12a52e46bf6a05608b5b80bed3ab0010206105909a5ba6ffb"`
[INFO] [stderr]    Compiling generics v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: function is never used: `longest_announcement`
[INFO] [stderr]    --> src/main.rs:106:4
[INFO] [stderr]     |
[INFO] [stderr] 106 | fn longest_announcement<'a, T>(x: &'a str, y: &'a str, ann: T) -> &'a str where T: Display {
[INFO] [stderr]     |    ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.91s
[INFO] running `"docker" "inspect" "23acfd2a323dccb12a52e46bf6a05608b5b80bed3ab0010206105909a5ba6ffb"`
[INFO] running `"docker" "rm" "-f" "23acfd2a323dccb12a52e46bf6a05608b5b80bed3ab0010206105909a5ba6ffb"`
[INFO] [stdout] 23acfd2a323dccb12a52e46bf6a05608b5b80bed3ab0010206105909a5ba6ffb
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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] 315fa32219651abebe1a78888a257b355afd35cf64dae76ea56d43db46235ec7
[INFO] running `"docker" "start" "-a" "315fa32219651abebe1a78888a257b355afd35cf64dae76ea56d43db46235ec7"`
[INFO] [stderr]    Compiling generics v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: function is never used: `longest_announcement`
[INFO] [stderr]    --> src/main.rs:106:4
[INFO] [stderr]     |
[INFO] [stderr] 106 | fn longest_announcement<'a, T>(x: &'a str, y: &'a str, ann: T) -> &'a str where T: Display {
[INFO] [stderr]     |    ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.67s
[INFO] running `"docker" "inspect" "315fa32219651abebe1a78888a257b355afd35cf64dae76ea56d43db46235ec7"`
[INFO] running `"docker" "rm" "-f" "315fa32219651abebe1a78888a257b355afd35cf64dae76ea56d43db46235ec7"`
[INFO] [stdout] 315fa32219651abebe1a78888a257b355afd35cf64dae76ea56d43db46235ec7
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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] 7c9774cbe9be606023ad7e8e9c31cddf842a25c8d99143b4ea32e812d173bd0e
[INFO] running `"docker" "start" "-a" "7c9774cbe9be606023ad7e8e9c31cddf842a25c8d99143b4ea32e812d173bd0e"`
[INFO] [stderr] warning: function is never used: `longest_announcement`
[INFO] [stderr]    --> src/main.rs:106:4
[INFO] [stderr]     |
[INFO] [stderr] 106 | fn longest_announcement<'a, T>(x: &'a str, y: &'a str, ann: T) -> &'a str where T: Display {
[INFO] [stderr]     |    ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.13s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/generics-7005c8f20ffe8b05
[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" "7c9774cbe9be606023ad7e8e9c31cddf842a25c8d99143b4ea32e812d173bd0e"`
[INFO] running `"docker" "rm" "-f" "7c9774cbe9be606023ad7e8e9c31cddf842a25c8d99143b4ea32e812d173bd0e"`
[INFO] [stdout] 7c9774cbe9be606023ad7e8e9c31cddf842a25c8d99143b4ea32e812d173bd0e