[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 1.98.0-beta.8+cargoflags=--release for beta-release-1.99-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fiykekings%2Frust-iterators" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[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-4-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/iykekings/rust-iterators on toolchain 1.98.0-beta.8
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.98.0-beta.8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/iykekings/rust-iterators already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.98.0-beta.8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:8683fc1fc2eb5c9ac98e0d076ab094b2ffac7f99da555d2b6a2e27f346de2ec7" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 2d2c274322a587c04b708b45cae15469f677ea1f9a3cc79ee0c5e52f9aeb817a
[INFO] running `Command { std: "docker" "start" "2d2c274322a587c04b708b45cae15469f677ea1f9a3cc79ee0c5e52f9aeb817a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2d2c274322a587c04b708b45cae15469f677ea1f9a3cc79ee0c5e52f9aeb817a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "2d2c274322a587c04b708b45cae15469f677ea1f9a3cc79ee0c5e52f9aeb817a" "/opt/rustwide/cargo-home/bin/cargo" "+1.98.0-beta.8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2d2c274322a587c04b708b45cae15469f677ea1f9a3cc79ee0c5e52f9aeb817a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "2d2c274322a587c04b708b45cae15469f677ea1f9a3cc79ee0c5e52f9aeb817a" "/opt/rustwide/cargo-home/bin/cargo" "+1.98.0-beta.8" "build" "--frozen" "--message-format=json" "--release", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust-iterators v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `release` profile [optimized] target(s) in 0.68s
[INFO] running `Command { std: "docker" "inspect" "2d2c274322a587c04b708b45cae15469f677ea1f9a3cc79ee0c5e52f9aeb817a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "2d2c274322a587c04b708b45cae15469f677ea1f9a3cc79ee0c5e52f9aeb817a" "/opt/rustwide/cargo-home/bin/cargo" "+1.98.0-beta.8" "test" "--frozen" "--no-run" "--message-format=json" "--release", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust-iterators v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `release` profile [optimized] target(s) in 0.81s
[INFO] running `Command { std: "docker" "inspect" "2d2c274322a587c04b708b45cae15469f677ea1f9a3cc79ee0c5e52f9aeb817a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "2d2c274322a587c04b708b45cae15469f677ea1f9a3cc79ee0c5e52f9aeb817a" "/opt/rustwide/cargo-home/bin/cargo" "+1.98.0-beta.8" "test" "--frozen" "--release", kill_on_drop: false }`
[INFO] [stderr]     Finished `release` profile [optimized] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/release/deps/rust_iterators-a81001dd8d51e432)
[INFO] [stdout] 
[INFO] [stdout] running 37 tests
[INFO] [stdout] test implement::test::count_starts_at_zero ... ok
[INFO] [stdout] test implement::test::count_works_with_iterator_adapters ... ok
[INFO] [stdout] test implement::test::counts_from_1_to_4 ... ok
[INFO] [stdout] test iter1::test::iter_all ... ok
[INFO] [stdout] test iter1::test::iter_any ... ok
[INFO] [stdout] test iter1::test::iter_find_map ... ok
[INFO] [stdout] test iter1::test::iter_fold ... ok
[INFO] [stdout] test iter1::test::iter_find ... ok
[INFO] [stdout] test iter1::test::iter_max ... ok
[INFO] [stdout] test iter1::test::iter_min ... ok
[INFO] [stdout] test iter1::test::iter_position ... 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 iter2::test::iter_max_by ... ok
[INFO] [stdout] test iter2::test::iter_max_by_key ... ok
[INFO] [stdout] test iter2::test::iter_product ... ok
[INFO] [stdout] test iter::test::iter_chain ... ok
[INFO] [stdout] test iter::test::iter_count ... ok
[INFO] [stdout] test iter::test::iter_filter_map ... ok
[INFO] [stdout] test iter::test::iter_filter ... ok
[INFO] [stdout] test iter::test::iter_last ... ok
[INFO] [stdout] test iter::test::iter_peekable ... ok
[INFO] [stdout] test iter::test::iter_map ... ok
[INFO] [stdout] test iter::test::iter_step_by ... ok
[INFO] [stdout] test iter::test::iter_zip ... ok
[INFO] [stdout] test iter1::test::iter_scan ... ok
[INFO] [stdout] test iter1::test::iter_partition ... ok
[INFO] [stdout] test iter::test::nth_iter ... ok
[INFO] [stdout] test iter1::test::iter_flatten ... 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_rev ... ok
[INFO] [stdout] test iter2::test::iter_unzip ... ok
[INFO] [stdout] test iter2::test::iter_sum ... ok
[INFO] [stdout] test iter1::test::iter_flat_map ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 37 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.07s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "2d2c274322a587c04b708b45cae15469f677ea1f9a3cc79ee0c5e52f9aeb817a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2d2c274322a587c04b708b45cae15469f677ea1f9a3cc79ee0c5e52f9aeb817a", kill_on_drop: false }`
[INFO] [stdout] 2d2c274322a587c04b708b45cae15469f677ea1f9a3cc79ee0c5e52f9aeb817a