[INFO] updating cached repository https://github.com/iykekings/rust-iterators
[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] 23d07b11a4c2e5015699f79905b29127b773725e
[INFO] testing iykekings/rust-iterators against beta-2020-06-03 for beta-1.45-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fiykekings%2Frust-iterators" "/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/iykekings/rust-iterators 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/iykekings/rust-iterators
[INFO] finished tweaking git repo https://github.com/iykekings/rust-iterators
[INFO] tweaked toml for git repo https://github.com/iykekings/rust-iterators written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/iykekings/rust-iterators 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] [stdout] 7d1847f214edfb22ac4a5b58b94e555b8e5755f63504d35a51d64c449307913b
[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" "7d1847f214edfb22ac4a5b58b94e555b8e5755f63504d35a51d64c449307913b"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling rust-iterators v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.73s
[INFO] running `"docker" "inspect" "7d1847f214edfb22ac4a5b58b94e555b8e5755f63504d35a51d64c449307913b"`
[INFO] running `"docker" "rm" "-f" "7d1847f214edfb22ac4a5b58b94e555b8e5755f63504d35a51d64c449307913b"`
[INFO] [stdout] 7d1847f214edfb22ac4a5b58b94e555b8e5755f63504d35a51d64c449307913b
[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] e9f4fbba1aafaf13eb4b1b0121df58de7e3a008c0f42c76222e251d860dac224
[INFO] running `"docker" "start" "-a" "e9f4fbba1aafaf13eb4b1b0121df58de7e3a008c0f42c76222e251d860dac224"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling rust-iterators v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.81s
[INFO] running `"docker" "inspect" "e9f4fbba1aafaf13eb4b1b0121df58de7e3a008c0f42c76222e251d860dac224"`
[INFO] running `"docker" "rm" "-f" "e9f4fbba1aafaf13eb4b1b0121df58de7e3a008c0f42c76222e251d860dac224"`
[INFO] [stdout] e9f4fbba1aafaf13eb4b1b0121df58de7e3a008c0f42c76222e251d860dac224
[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] [stdout] e0c1035bf877a383617ce1db2949cb100ae9dd65050594991471fa5b120fb140
[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" "e0c1035bf877a383617ce1db2949cb100ae9dd65050594991471fa5b120fb140"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.00s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/rust_iterators-54af48d84c4af588
[INFO] [stdout] 
[INFO] [stdout] running 37 tests
[INFO] [stdout] test iter1::test::iter_any ... ok
[INFO] [stdout] test iter1::test::iter_find ... ok
[INFO] [stdout] test iter1::test::iter_find_map ... ok
[INFO] [stdout] test iter1::test::iter_flat_map ... ok
[INFO] [stdout] test iter1::test::iter_fold ... ok
[INFO] [stdout] test iter1::test::iter_flatten ... ok
[INFO] [stdout] test iter1::test::iter_max ... ok
[INFO] [stdout] test iter1::test::iter_partition ... ok
[INFO] [stdout] test iter1::test::iter_all ... ok
[INFO] [stdout] test iter1::test::iter_position ... ok
[INFO] [stdout] test iter1::test::iter_min ... ok
[INFO] [stdout] test iter1::test::iter_scan ... ok
[INFO] [stdout] test iter1::test::iter_skip ... ok
[INFO] [stdout] test iter1::test::iter_skip_while ... ok
[INFO] [stdout] test iter1::test::iter_take ... ok
[INFO] [stdout] test iter1::test::iter_take_while ... ok
[INFO] [stdout] test iter2::test::iter_max_by ... ok
[INFO] [stdout] test iter2::test::iter_cycle ... ok
[INFO] [stdout] test iter1::test::iter_try_fold ... ok
[INFO] [stdout] test iter2::test::iter_max_by_key ... ok
[INFO] [stdout] test iter2::test::iter_product ... ok
[INFO] [stdout] test iter2::test::iter_rev ... ok
[INFO] [stdout] test iter2::test::iter_sum ... ok
[INFO] [stdout] test iter2::test::iter_unzip ... ok
[INFO] [stdout] test iter::test::iter_chain ... ok
[INFO] [stdout] test iter::test::iter_count ... ok
[INFO] [stdout] test iter::test::iter_filter ... ok
[INFO] [stdout] test iter::test::iter_filter_map ... ok
[INFO] [stdout] test iter::test::iter_last ... ok
[INFO] [stdout] test iter::test::iter_map ... ok
[INFO] [stdout] test implement::test::count_starts_at_zero ... ok
[INFO] [stdout] test iter::test::iter_zip ... ok
[INFO] [stdout] test iter::test::nth_iter ... ok
[INFO] [stdout] test iter::test::iter_step_by ... ok
[INFO] [stdout] test iter::test::iter_peekable ... ok
[INFO] [stdout] test implement::test::counts_from_1_to_4 ... ok
[INFO] [stdout] test implement::test::count_works_with_iterator_adapters ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 37 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "e0c1035bf877a383617ce1db2949cb100ae9dd65050594991471fa5b120fb140"`
[INFO] running `"docker" "rm" "-f" "e0c1035bf877a383617ce1db2949cb100ae9dd65050594991471fa5b120fb140"`
[INFO] [stdout] e0c1035bf877a383617ce1db2949cb100ae9dd65050594991471fa5b120fb140