[INFO] cloning 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" "clone" "--bare" "https://github.com/iykekings/rust-iterators" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fiykekings%2Frust-iterators", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fiykekings%2Frust-iterators'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 23d07b11a4c2e5015699f79905b29127b773725e
[INFO] testing iykekings/rust-iterators against master#a77da2d454e6caa227a85b16410b95f93495e7e0 for pr-91031
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fiykekings%2Frust-iterators" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/iykekings/rust-iterators on toolchain a77da2d454e6caa227a85b16410b95f93495e7e0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", 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-0/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" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "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" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fa322a04fb11d2b7976190e06e0c61e6c2d21f40bdb75b31a3b860d699d4939c
[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" "fa322a04fb11d2b7976190e06e0c61e6c2d21f40bdb75b31a3b860d699d4939c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fa322a04fb11d2b7976190e06e0c61e6c2d21f40bdb75b31a3b860d699d4939c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fa322a04fb11d2b7976190e06e0c61e6c2d21f40bdb75b31a3b860d699d4939c", kill_on_drop: false }`
[INFO] [stdout] fa322a04fb11d2b7976190e06e0c61e6c2d21f40bdb75b31a3b860d699d4939c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "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" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7df265a98aa738f7ff2727f5b75d78a68a19c42b1087e99fc83f44652da0d44d
[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" "7df265a98aa738f7ff2727f5b75d78a68a19c42b1087e99fc83f44652da0d44d", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust-iterators v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.57s
[INFO] running `Command { std: "docker" "inspect" "7df265a98aa738f7ff2727f5b75d78a68a19c42b1087e99fc83f44652da0d44d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7df265a98aa738f7ff2727f5b75d78a68a19c42b1087e99fc83f44652da0d44d", kill_on_drop: false }`
[INFO] [stdout] 7df265a98aa738f7ff2727f5b75d78a68a19c42b1087e99fc83f44652da0d44d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "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" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7713a52c876f278d221a9dfffa6fec1832a63fa45961676f5f147b6118a57e75
[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" "7713a52c876f278d221a9dfffa6fec1832a63fa45961676f5f147b6118a57e75", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust-iterators v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.85s
[INFO] running `Command { std: "docker" "inspect" "7713a52c876f278d221a9dfffa6fec1832a63fa45961676f5f147b6118a57e75", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7713a52c876f278d221a9dfffa6fec1832a63fa45961676f5f147b6118a57e75", kill_on_drop: false }`
[INFO] [stdout] 7713a52c876f278d221a9dfffa6fec1832a63fa45961676f5f147b6118a57e75
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "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" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 863c8ff96255e87315546fa54ea134c0722a56bea542834ec0f9fc8df469f26f
[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" "863c8ff96255e87315546fa54ea134c0722a56bea542834ec0f9fc8df469f26f", 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 unittests (/opt/rustwide/target/debug/deps/rust_iterators-2620151d3fc0eda5)
[INFO] [stdout] test implement::test::count_starts_at_zero ... ok
[INFO] [stdout] test implement::test::count_works_with_iterator_adapters ... ok
[INFO] [stdout] test iter1::test::iter_all ... 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_flat_map ... ok
[INFO] [stdout] test iter1::test::iter_flatten ... 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_partition ... ok
[INFO] [stdout] test iter1::test::iter_position ... 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 iter1::test::iter_try_fold ... ok
[INFO] [stdout] test iter2::test::iter_cycle ... ok
[INFO] [stdout] test iter2::test::iter_max_by ... ok
[INFO] [stdout] test iter2::test::iter_max_by_key ... ok
[INFO] [stdout] test implement::test::counts_from_1_to_4 ... 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 iter::test::iter_peekable ... ok
[INFO] [stdout] test iter::test::iter_step_by ... ok
[INFO] [stdout] test iter::test::iter_zip ... ok
[INFO] [stdout] test iter::test::nth_iter ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 37 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "863c8ff96255e87315546fa54ea134c0722a56bea542834ec0f9fc8df469f26f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "863c8ff96255e87315546fa54ea134c0722a56bea542834ec0f9fc8df469f26f", kill_on_drop: false }`
[INFO] [stdout] 863c8ff96255e87315546fa54ea134c0722a56bea542834ec0f9fc8df469f26f