[INFO] updating cached repository https://github.com/iykekings/rust-iterators
[INFO] running `Command { std: "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", kill_on_drop: false }`
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 23d07b11a4c2e5015699f79905b29127b773725e
[INFO] testing iykekings/rust-iterators against master#8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e for pr-74409
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fiykekings%2Frust-iterators" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/iykekings/rust-iterators on toolchain 8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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-7/source/Cargo.toml
[INFO] crate git repo https://github.com/iykekings/rust-iterators already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "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_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 77bb98e2330ba5f00822c406325743934824fdfd77d9c22e397977c83c7d9c9b
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "77bb98e2330ba5f00822c406325743934824fdfd77d9c22e397977c83c7d9c9b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "77bb98e2330ba5f00822c406325743934824fdfd77d9c22e397977c83c7d9c9b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "77bb98e2330ba5f00822c406325743934824fdfd77d9c22e397977c83c7d9c9b", kill_on_drop: false }`
[INFO] [stdout] 77bb98e2330ba5f00822c406325743934824fdfd77d9c22e397977c83c7d9c9b
[INFO] running `Command { std: "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=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@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6a6051dd9bfd20852b451c70fc9cfafcd8eeaab0eca5d73730c12fe06e0d506c
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "6a6051dd9bfd20852b451c70fc9cfafcd8eeaab0eca5d73730c12fe06e0d506c", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust-iterators v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.67s
[INFO] running `Command { std: "docker" "inspect" "6a6051dd9bfd20852b451c70fc9cfafcd8eeaab0eca5d73730c12fe06e0d506c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6a6051dd9bfd20852b451c70fc9cfafcd8eeaab0eca5d73730c12fe06e0d506c", kill_on_drop: false }`
[INFO] [stdout] 6a6051dd9bfd20852b451c70fc9cfafcd8eeaab0eca5d73730c12fe06e0d506c
[INFO] running `Command { std: "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=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@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 98f058d6db494ad9372f4025638da3e00e2fe43f8e7c158a93acd091571c7b13
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "98f058d6db494ad9372f4025638da3e00e2fe43f8e7c158a93acd091571c7b13", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust-iterators v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.91s
[INFO] running `Command { std: "docker" "inspect" "98f058d6db494ad9372f4025638da3e00e2fe43f8e7c158a93acd091571c7b13", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "98f058d6db494ad9372f4025638da3e00e2fe43f8e7c158a93acd091571c7b13", kill_on_drop: false }`
[INFO] [stdout] 98f058d6db494ad9372f4025638da3e00e2fe43f8e7c158a93acd091571c7b13
[INFO] running `Command { std: "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=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@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] abcad34b118f58f22fb9826ba221aa2a62a6401b386cbc2c0c9e15b11bb9349b
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "abcad34b118f58f22fb9826ba221aa2a62a6401b386cbc2c0c9e15b11bb9349b", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stdout] running 37 tests
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/rust_iterators-6165ad56624085f1
[INFO] [stdout] test implement::test::count_starts_at_zero ... ok
[INFO] [stdout] test implement::test::counts_from_1_to_4 ... ok
[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_flatten ... ok
[INFO] [stdout] test iter1::test::iter_flat_map ... ok
[INFO] [stdout] test iter1::test::iter_fold ... ok
[INFO] [stdout] test iter1::test::iter_max ... 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_partition ... ok
[INFO] [stdout] test iter1::test::iter_try_fold ... ok
[INFO] [stdout] test iter1::test::iter_take_while ... ok
[INFO] [stdout] test iter2::test::iter_cycle ... ok
[INFO] [stdout] test iter1::test::iter_position ... ok
[INFO] [stdout] test iter2::test::iter_max_by ... ok
[INFO] [stdout] test iter2::test::iter_product ... ok
[INFO] [stdout] test iter2::test::iter_max_by_key ... ok
[INFO] [stdout] test iter2::test::iter_rev ... ok
[INFO] [stdout] test iter2::test::iter_sum ... 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 iter::test::iter_peekable ... ok
[INFO] [stdout] test iter2::test::iter_unzip ... ok
[INFO] [stdout] test iter::test::iter_zip ... ok
[INFO] [stdout] test iter::test::iter_step_by ... ok
[INFO] [stdout] test iter::test::nth_iter ... ok
[INFO] [stdout] test iter1::test::iter_all ... 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 `Command { std: "docker" "inspect" "abcad34b118f58f22fb9826ba221aa2a62a6401b386cbc2c0c9e15b11bb9349b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "abcad34b118f58f22fb9826ba221aa2a62a6401b386cbc2c0c9e15b11bb9349b", kill_on_drop: false }`
[INFO] [stdout] abcad34b118f58f22fb9826ba221aa2a62a6401b386cbc2c0c9e15b11bb9349b