[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 beta-2020-06-03 for beta-1.45-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fa-braham%2Fgenerics_traits_lifetimes" "/workspace/builds/worker-6/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/a-braham/generics_traits_lifetimes on toolchain beta-2020-06-03
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "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-6/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" "+beta-2020-06-03" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+beta-2020-06-03" "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] 12c5ca44bec043a6514f405e53e07bc04de003139a691f4157a7be7900107412
[INFO] running `"docker" "start" "-a" "12c5ca44bec043a6514f405e53e07bc04de003139a691f4157a7be7900107412"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[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 0.97s
[INFO] running `"docker" "inspect" "12c5ca44bec043a6514f405e53e07bc04de003139a691f4157a7be7900107412"`
[INFO] running `"docker" "rm" "-f" "12c5ca44bec043a6514f405e53e07bc04de003139a691f4157a7be7900107412"`
[INFO] [stdout] 12c5ca44bec043a6514f405e53e07bc04de003139a691f4157a7be7900107412
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+beta-2020-06-03" "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] 34d4f0e1d910e1ea724f2c4865e4cbcb7dc684452f3c79b92547cd8b9910df56
[INFO] running `"docker" "start" "-a" "34d4f0e1d910e1ea724f2c4865e4cbcb7dc684452f3c79b92547cd8b9910df56"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[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 0.78s
[INFO] running `"docker" "inspect" "34d4f0e1d910e1ea724f2c4865e4cbcb7dc684452f3c79b92547cd8b9910df56"`
[INFO] running `"docker" "rm" "-f" "34d4f0e1d910e1ea724f2c4865e4cbcb7dc684452f3c79b92547cd8b9910df56"`
[INFO] [stdout] 34d4f0e1d910e1ea724f2c4865e4cbcb7dc684452f3c79b92547cd8b9910df56
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+beta-2020-06-03" "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] cc62966ae908b11802fa3d612d4a93005497de614d3a50b75e70f4044cdb4f99
[INFO] running `"docker" "start" "-a" "cc62966ae908b11802fa3d612d4a93005497de614d3a50b75e70f4044cdb4f99"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[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 0.02s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/generics-94b984b76556eb8c
[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" "cc62966ae908b11802fa3d612d4a93005497de614d3a50b75e70f4044cdb4f99"`
[INFO] running `"docker" "rm" "-f" "cc62966ae908b11802fa3d612d4a93005497de614d3a50b75e70f4044cdb4f99"`
[INFO] [stdout] cc62966ae908b11802fa3d612d4a93005497de614d3a50b75e70f4044cdb4f99