[INFO] fetching crate pushgen 0.0.2...
[INFO] testing pushgen-0.0.2 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate pushgen 0.0.2 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate pushgen 0.0.2 on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate pushgen 0.0.2
[INFO] finished tweaking crates.io crate pushgen 0.0.2
[INFO] tweaked toml for crates.io crate pushgen 0.0.2 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate crates.io crate pushgen 0.0.2 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f83588d6a43452bd7a3a7e26d6face4ef5da3a24a9ee8037a0ea8e08497621b2
[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" "f83588d6a43452bd7a3a7e26d6face4ef5da3a24a9ee8037a0ea8e08497621b2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f83588d6a43452bd7a3a7e26d6face4ef5da3a24a9ee8037a0ea8e08497621b2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f83588d6a43452bd7a3a7e26d6face4ef5da3a24a9ee8037a0ea8e08497621b2", kill_on_drop: false }`
[INFO] [stdout] f83588d6a43452bd7a3a7e26d6face4ef5da3a24a9ee8037a0ea8e08497621b2
[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=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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 112b219f914e2957f850a552957acaaed9d3d54719712940eee06462450df4f5
[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" "112b219f914e2957f850a552957acaaed9d3d54719712940eee06462450df4f5", kill_on_drop: false }`
[INFO] [stderr]    Compiling pushgen v0.0.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.83s
[INFO] running `Command { std: "docker" "inspect" "112b219f914e2957f850a552957acaaed9d3d54719712940eee06462450df4f5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "112b219f914e2957f850a552957acaaed9d3d54719712940eee06462450df4f5", kill_on_drop: false }`
[INFO] [stdout] 112b219f914e2957f850a552957acaaed9d3d54719712940eee06462450df4f5
[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=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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2e7231e2bfde8b6d757dacbf8048dd17a96c95591890ce6134629f7aeec9da8c
[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" "2e7231e2bfde8b6d757dacbf8048dd17a96c95591890ce6134629f7aeec9da8c", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]    Compiling syn v1.0.73
[INFO] [stderr]    Compiling plotters v0.3.1
[INFO] [stderr]    Compiling rayon-core v1.9.1
[INFO] [stderr]    Compiling rayon v1.5.1
[INFO] [stderr]    Compiling csv-core v0.1.10
[INFO] [stderr]    Compiling bstr v0.2.16
[INFO] [stderr]    Compiling csv v1.1.6
[INFO] [stderr]    Compiling serde_derive v1.0.126
[INFO] [stderr]    Compiling criterion v0.3.4
[INFO] [stderr]    Compiling pushgen v0.0.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 24.08s
[INFO] running `Command { std: "docker" "inspect" "2e7231e2bfde8b6d757dacbf8048dd17a96c95591890ce6134629f7aeec9da8c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2e7231e2bfde8b6d757dacbf8048dd17a96c95591890ce6134629f7aeec9da8c", kill_on_drop: false }`
[INFO] [stdout] 2e7231e2bfde8b6d757dacbf8048dd17a96c95591890ce6134629f7aeec9da8c
[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=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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] e1d369dd3cb64fccdfa2dc1689f7a3b4209fa8138152f8d0287a8f796ffd2a98
[INFO] running `Command { std: "docker" "start" "-a" "e1d369dd3cb64fccdfa2dc1689f7a3b4209fa8138152f8d0287a8f796ffd2a98", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/pushgen-a986fe7cc5050fef)
[INFO] [stdout] 
[INFO] [stdout] running 70 tests
[INFO] [stdout] test generators::slice_generator::tests::try_advance ... ok
[INFO] [stdout] test generators::slice_generator::tests::try_advance_inside ... ok
[INFO] [stdout] test structs::chain::tests::basic_chain ... ok
[INFO] [stdout] test structs::chain::tests::spuriously_stopping_first ... ok
[INFO] [stdout] test structs::chain::tests::spuriously_stopping_second ... ok
[INFO] [stdout] test structs::cloned::tests::spuriously_stopping ... ok
[INFO] [stdout] test structs::dedup::tests::dedup_nonduplicate ... ok
[INFO] [stdout] test structs::copied::tests::spuriously_stopping ... ok
[INFO] [stdout] test structs::dedup::tests::dedup_all_duplicate ... ok
[INFO] [stdout] test structs::dedup::tests::dedup_some_duplicate ... ok
[INFO] [stdout] test structs::dedup::tests::dedup_stopping_source ... ok
[INFO] [stdout] test structs::enumerate::tests::advance ... ok
[INFO] [stdout] test structs::enumerate::tests::spuriously_stopping_advance ... ok
[INFO] [stdout] test structs::enumerate::tests::enumerate ... ok
[INFO] [stdout] test structs::filter_map::tests::spuriously_stopping ... ok
[INFO] [stdout] test structs::flatten::tests::only_stopping_generators ... ok
[INFO] [stdout] test structs::flatten::tests::stopping_generator ... ok
[INFO] [stdout] test structs::flatten::tests::slice_flatten ... ok
[INFO] [stdout] test structs::flatten::tests::vector_flatten ... ok
[INFO] [stdout] test structs::flatten::tests::stopping_nested_generator ... ok
[INFO] [stdout] test structs::inspect::tests::inspect ... ok
[INFO] [stdout] test structs::iterator::tests::fold ... ok
[INFO] [stdout] test structs::skip::tests::spuriously_stopping_skip ... ok
[INFO] [stdout] test structs::skip::tests::spuriously_stopping_skip_while ... ok
[INFO] [stdout] test structs::skip::tests::try_advance ... ok
[INFO] [stdout] test structs::skip::tests::try_advance_max ... ok
[INFO] [stdout] test structs::skip::tests::try_advance_stopping ... ok
[INFO] [stdout] test structs::skip::tests::try_advance_stopping_skip_region ... ok
[INFO] [stdout] test structs::step_by::tests::basic_test ... ok
[INFO] [stdout] test structs::step_by::tests::spuriously_multi_stopping ... ok
[INFO] [stdout] test structs::step_by::tests::spuriously_stopping ... ok
[INFO] [stdout] test structs::step_by::tests::step_next ... ok
[INFO] [stdout] test structs::take::tests::spuriously_stopping_take ... ok
[INFO] [stdout] test structs::step_by::tests::step_one ... ok
[INFO] [stdout] test structs::take::tests::take ... ok
[INFO] [stdout] test structs::zip::tests::same_length ... ok
[INFO] [stdout] test structs::zip::tests::shorter_left_side ... ok
[INFO] [stdout] test structs::zip::tests::spuriously_stopped_left ... ok
[INFO] [stdout] test structs::zip::tests::spuriously_stopped_right ... ok
[INFO] [stdout] test traits::accum::tests::product ... ok
[INFO] [stdout] test traits::generator_ext::tests::collect_string ... ok
[INFO] [stdout] test traits::generator_ext::tests::collect_vec ... ok
[INFO] [stdout] test traits::generator_ext::tests::basic_all ... ok
[INFO] [stdout] test traits::generator_ext::tests::double_stop_try_reduce ... ok
[INFO] [stdout] test traits::generator_ext::tests::empty_any ... ok
[INFO] [stdout] test traits::generator_ext::tests::empty_reduce ... ok
[INFO] [stdout] test traits::generator_ext::tests::empty_try_reduce ... ok
[INFO] [stdout] test structs::filter::tests::spuriously_stopping ... ok
[INFO] [stdout] test traits::generator_ext::tests::for_each_stopped ... ok
[INFO] [stdout] test traits::generator_ext::tests::shortcircuit_all ... ok
[INFO] [stdout] test traits::generator_ext::tests::single_element_reduce ... ok
[INFO] [stdout] test structs::map::tests::spuriously_stopping ... ok
[INFO] [stdout] test structs::skip::tests::skip ... ok
[INFO] [stdout] test structs::skip::tests::skip_while ... ok
[INFO] [stdout] test traits::generator_ext::tests::single_element_try_reduce ... ok
[INFO] [stdout] test traits::generator_ext::tests::stop_at_start_try_reduce ... ok
[INFO] [stdout] test traits::generator_ext::tests::two_element_reduce ... ok
[INFO] [stdout] test traits::generator_ext::tests::two_element_try_reduce ... ok
[INFO] [stdout] test traits::generator_ext::tests::spuriously_stopping_try_fold ... ok
[INFO] [stdout] test generators::slice_generator::tests::try_advance_more_than_available ... ok
[INFO] [stdout] test traits::generator_ext::tests::empty_all ... ok
[INFO] [stdout] test generators::slice_generator::tests::try_advance_available ... ok
[INFO] [stdout] test structs::iterator::tests::iter_over_slice ... ok
[INFO] [stdout] test structs::take::tests::spuriously_stopping_take_while ... ok
[INFO] [stdout] test structs::take::tests::take_restart ... ok
[INFO] [stdout] test structs::take::tests::take_while ... ok
[INFO] [stdout] test traits::accum::tests::sum ... ok
[INFO] [stdout] test structs::take::tests::take_while_with_restart ... ok
[INFO] [stdout] test structs::zip::tests::shorter_right_side ... ok
[INFO] [stdout] test structs::step_by::tests::zero_step_size - should panic ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 70 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests pushgen
[INFO] [stdout] 
[INFO] [stdout] running 63 tests
[INFO] [stderr] error: test failed, to rerun pass '--doc'
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type lib --crate-name pushgen --test /opt/rustwide/workdir/src/lib.rs -L dependency=/opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern criterion=/opt/rustwide/target/debug/deps/libcriterion-4e0d169c9a94fc27.rlib --extern either=/opt/rustwide/target/debug/deps/libeither-1fa9e7dc99f602fc.rlib --extern itertools=/opt/rustwide/target/debug/deps/libitertools-4584bcfa222d8e0a.rlib --extern pushgen=/opt/rustwide/target/debug/deps/libpushgen-20b1c59f1dbb95d2.rlib -C embed-bitcode=no --cfg 'feature="default"' --cfg 'feature="std"' --error-format human` (signal: 9, SIGKILL: kill)
[INFO] running `Command { std: "docker" "inspect" "e1d369dd3cb64fccdfa2dc1689f7a3b4209fa8138152f8d0287a8f796ffd2a98", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e1d369dd3cb64fccdfa2dc1689f7a3b4209fa8138152f8d0287a8f796ffd2a98", kill_on_drop: false }`
[INFO] [stdout] e1d369dd3cb64fccdfa2dc1689f7a3b4209fa8138152f8d0287a8f796ffd2a98