[INFO] updating cached repository https://github.com/furuhama/open_data_structures_in_rust
[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] b48012e701a6656e0e2284a20143d4abcc7e9c0a
[INFO] testing furuhama/open_data_structures_in_rust against beta-2020-06-03 for beta-1.45-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffuruhama%2Fopen_data_structures_in_rust" "/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/furuhama/open_data_structures_in_rust 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/furuhama/open_data_structures_in_rust
[INFO] finished tweaking git repo https://github.com/furuhama/open_data_structures_in_rust
[INFO] tweaked toml for git repo https://github.com/furuhama/open_data_structures_in_rust written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/furuhama/open_data_structures_in_rust 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-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" "+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] b8d9540abc7417d1cee8f9f0f6e656101d5477a8feeb99d3b0ebf3af0ee1d94c
[INFO] running `"docker" "start" "-a" "b8d9540abc7417d1cee8f9f0f6e656101d5477a8feeb99d3b0ebf3af0ee1d94c"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling open_data_structures_in_rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.39s
[INFO] running `"docker" "inspect" "b8d9540abc7417d1cee8f9f0f6e656101d5477a8feeb99d3b0ebf3af0ee1d94c"`
[INFO] running `"docker" "rm" "-f" "b8d9540abc7417d1cee8f9f0f6e656101d5477a8feeb99d3b0ebf3af0ee1d94c"`
[INFO] [stdout] b8d9540abc7417d1cee8f9f0f6e656101d5477a8feeb99d3b0ebf3af0ee1d94c
[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" "+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] 3b37291fc86e6d16064119855fe0f61dae928976ac853efd676228ce22da1827
[INFO] running `"docker" "start" "-a" "3b37291fc86e6d16064119855fe0f61dae928976ac853efd676228ce22da1827"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling open_data_structures_in_rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.81s
[INFO] running `"docker" "inspect" "3b37291fc86e6d16064119855fe0f61dae928976ac853efd676228ce22da1827"`
[INFO] running `"docker" "rm" "-f" "3b37291fc86e6d16064119855fe0f61dae928976ac853efd676228ce22da1827"`
[INFO] [stdout] 3b37291fc86e6d16064119855fe0f61dae928976ac853efd676228ce22da1827
[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" "+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] 6de7f22ac5865a7ac439c585682ab61c88ffb94a7ab60510f550d9985e42bd87
[INFO] running `"docker" "start" "-a" "6de7f22ac5865a7ac439c585682ab61c88ffb94a7ab60510f550d9985e42bd87"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/open_data_structures_in_rust-1ca5a077e9e4f02e
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test modules::list_container::test::push_to_first_pop_from_last ... ok
[INFO] [stdout] test modules::list_container::test::push_and_pop_randomly ... ok
[INFO] [stdout] test modules::list_container::test::push_to_first_pop_from_first ... ok
[INFO] [stdout] test modules::list_container::test::push_to_last_pop_from_last ... ok
[INFO] [stdout] test modules::list_container::test::push_to_last_pop_from_first ... ok
[INFO] [stdout] test modules::uniq_set::test::basic ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/open_data_structures_in_rust-07bfd919762f79b5
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test modules::list_container::test::push_to_last_pop_from_last ... ok
[INFO] [stdout] test modules::uniq_set::test::basic ... ok
[INFO] [stdout] test modules::list_container::test::push_to_first_pop_from_first ... ok
[INFO] [stdout] test modules::list_container::test::push_to_last_pop_from_first ... ok
[INFO] [stdout] test modules::list_container::test::push_and_pop_randomly ... ok
[INFO] [stdout] test modules::list_container::test::push_to_first_pop_from_last ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests open_data_structures_in_rust
[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" "6de7f22ac5865a7ac439c585682ab61c88ffb94a7ab60510f550d9985e42bd87"`
[INFO] running `"docker" "rm" "-f" "6de7f22ac5865a7ac439c585682ab61c88ffb94a7ab60510f550d9985e42bd87"`
[INFO] [stdout] 6de7f22ac5865a7ac439c585682ab61c88ffb94a7ab60510f550d9985e42bd87