[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 1.49.0 for beta-1.50-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fiykekings%2Frust-iterators" "/workspace/builds/worker-9/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/iykekings/rust-iterators on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "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-9/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" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] af03adb38f6d1eb441acc67dccb94d0abfb55f473acc22a221ba16179d974f14
[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" "af03adb38f6d1eb441acc67dccb94d0abfb55f473acc22a221ba16179d974f14", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "af03adb38f6d1eb441acc67dccb94d0abfb55f473acc22a221ba16179d974f14", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "af03adb38f6d1eb441acc67dccb94d0abfb55f473acc22a221ba16179d974f14", kill_on_drop: false }`
[INFO] [stdout] af03adb38f6d1eb441acc67dccb94d0abfb55f473acc22a221ba16179d974f14
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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=warn" "-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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 02e0ce5ea83b3bb2aae8bf5081c51ed0463e91922b74019b69d0ae7e1b7fe86b
[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" "02e0ce5ea83b3bb2aae8bf5081c51ed0463e91922b74019b69d0ae7e1b7fe86b", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust-iterators v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.78s
[INFO] running `Command { std: "docker" "inspect" "02e0ce5ea83b3bb2aae8bf5081c51ed0463e91922b74019b69d0ae7e1b7fe86b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "02e0ce5ea83b3bb2aae8bf5081c51ed0463e91922b74019b69d0ae7e1b7fe86b", kill_on_drop: false }`
[INFO] [stdout] 02e0ce5ea83b3bb2aae8bf5081c51ed0463e91922b74019b69d0ae7e1b7fe86b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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=warn" "-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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6f2d3662fa0cd528881347bd778f32ff77debf7dd79d7f72a6dbd6aed54ebcb1
[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" "6f2d3662fa0cd528881347bd778f32ff77debf7dd79d7f72a6dbd6aed54ebcb1", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust-iterators v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.17s
[INFO] running `Command { std: "docker" "inspect" "6f2d3662fa0cd528881347bd778f32ff77debf7dd79d7f72a6dbd6aed54ebcb1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6f2d3662fa0cd528881347bd778f32ff77debf7dd79d7f72a6dbd6aed54ebcb1", kill_on_drop: false }`
[INFO] [stdout] 6f2d3662fa0cd528881347bd778f32ff77debf7dd79d7f72a6dbd6aed54ebcb1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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=warn" "-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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] e6ac1447d49d0008763d28fd198025c4e1ee00ecb9a20816d830e143ebd9abbf
[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" "e6ac1447d49d0008763d28fd198025c4e1ee00ecb9a20816d830e143ebd9abbf", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/rust_iterators-280010d143d52d60
[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 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_max ... ok
[INFO] [stdout] test iter1::test::iter_min ... ok
[INFO] [stdout] test iter1::test::iter_partition ... 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 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_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::nth_iter ... ok
[INFO] [stdout] test iter1::test::iter_any ... ok
[INFO] [stdout] test iter1::test::iter_flatten ... ok
[INFO] [stdout] test implement::test::counts_from_1_to_4 ... ok
[INFO] [stdout] test iter1::test::iter_fold ... ok
[INFO] [stdout] test iter::test::iter_zip ... ok
[INFO] [stdout] test iter::test::iter_chain ... ok
[INFO] [stdout] test iter1::test::iter_position ... ok
[INFO] [stdout] test iter1::test::iter_all ... 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" "e6ac1447d49d0008763d28fd198025c4e1ee00ecb9a20816d830e143ebd9abbf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e6ac1447d49d0008763d28fd198025c4e1ee00ecb9a20816d830e143ebd9abbf", kill_on_drop: false }`
[INFO] [stdout] e6ac1447d49d0008763d28fd198025c4e1ee00ecb9a20816d830e143ebd9abbf