[INFO] updating cached repository https://github.com/JunSuzukiJapan/circle_buffer
[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] 667474a6d85f4476f25f7683109f60e36a49a4bd
[INFO] testing JunSuzukiJapan/circle_buffer against master#28742a1146f10a4f09369baad027a464acb7a766 for pr-71274
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJunSuzukiJapan%2Fcircle_buffer" "/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/JunSuzukiJapan/circle_buffer 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/JunSuzukiJapan/circle_buffer
[INFO] finished tweaking git repo https://github.com/JunSuzukiJapan/circle_buffer
[INFO] tweaked toml for git repo https://github.com/JunSuzukiJapan/circle_buffer written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] crate git repo https://github.com/JunSuzukiJapan/circle_buffer 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] [stdout] 3f8699e05e3d543d17d6099c2e621c231e2c2e313431325d021c6416857bbc6c
[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" "3f8699e05e3d543d17d6099c2e621c231e2c2e313431325d021c6416857bbc6c"`
[INFO] [stderr]    Compiling num-traits v0.2.6
[INFO] [stderr]    Compiling num-integer v0.1.39
[INFO] [stderr]    Compiling num-bigint v0.2.0
[INFO] [stderr]    Compiling num-rational v0.2.1
[INFO] [stderr]    Compiling num-iter v0.1.37
[INFO] [stderr]    Compiling num-complex v0.2.1
[INFO] [stderr]    Compiling num v0.2.0
[INFO] [stderr]    Compiling circle_buffer v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.90s
[INFO] running `"docker" "inspect" "3f8699e05e3d543d17d6099c2e621c231e2c2e313431325d021c6416857bbc6c"`
[INFO] running `"docker" "rm" "-f" "3f8699e05e3d543d17d6099c2e621c231e2c2e313431325d021c6416857bbc6c"`
[INFO] [stdout] 3f8699e05e3d543d17d6099c2e621c231e2c2e313431325d021c6416857bbc6c
[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] 6ce3b8f66cd2702fdd778c801893776a7d4800e9030543782e9fba6e9e3c48eb
[INFO] running `"docker" "start" "-a" "6ce3b8f66cd2702fdd778c801893776a7d4800e9030543782e9fba6e9e3c48eb"`
[INFO] [stderr]    Compiling circle_buffer v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.72s
[INFO] running `"docker" "inspect" "6ce3b8f66cd2702fdd778c801893776a7d4800e9030543782e9fba6e9e3c48eb"`
[INFO] running `"docker" "rm" "-f" "6ce3b8f66cd2702fdd778c801893776a7d4800e9030543782e9fba6e9e3c48eb"`
[INFO] [stdout] 6ce3b8f66cd2702fdd778c801893776a7d4800e9030543782e9fba6e9e3c48eb
[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] [stdout] 6a327f4535e76cd80375e207aef65c335aebdc62d702d5bdc71c4e9f850cd10b
[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" "6a327f4535e76cd80375e207aef65c335aebdc62d702d5bdc71c4e9f850cd10b"`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/circle_buffer-80aab5dee3a07b43
[INFO] [stdout] 
[INFO] [stdout] running 8 tests
[INFO] [stdout] test tests::test_index ... ok
[INFO] [stdout] test tests::test_index_mut ... ok
[INFO] [stdout] test tests::test_is_empty ... ok
[INFO] [stdout] test tests::test_capacity ... ok
[INFO] [stdout] test tests::test_iter ... ok
[INFO] [stdout] test tests::test_iter_mut ... ok
[INFO] [stdout] test tests::test_len ... ok
[INFO] [stdout] test tests::test_push ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 8 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests circle_buffer
[INFO] [stdout] 
[INFO] [stdout] running 8 tests
[INFO] [stdout] test src/lib.rs - CircleBuffer<T>::capacity (line 36) ... ok
[INFO] [stdout] test src/lib.rs - CircleBuffer<T>::with_capacity (line 19) ... ok
[INFO] [stdout] test src/lib.rs - CircleBuffer<T>::is_empty (line 73) ... ok
[INFO] [stdout] test src/lib.rs - CircleBuffer<T>::zero_clear (line 217) ... ok
[INFO] [stdout] test src/lib.rs - CircleBuffer<T>::len (line 50) ... ok
[INFO] [stdout] test src/lib.rs - CircleBuffer<T>::iter_mut (line 187) ... ok
[INFO] [stdout] test src/lib.rs - CircleBuffer<T>::push (line 91) ... ok
[INFO] [stdout] test src/lib.rs - CircleBuffer<T>::iter (line 163) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 8 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "6a327f4535e76cd80375e207aef65c335aebdc62d702d5bdc71c4e9f850cd10b"`
[INFO] running `"docker" "rm" "-f" "6a327f4535e76cd80375e207aef65c335aebdc62d702d5bdc71c4e9f850cd10b"`
[INFO] [stdout] 6a327f4535e76cd80375e207aef65c335aebdc62d702d5bdc71c4e9f850cd10b