[INFO] fetching crate iterators-collection 0.3.3...
[INFO] testing iterators-collection-0.3.3 against beta-2021-01-01 for beta-1.50-1
[INFO] extracting crate iterators-collection 0.3.3 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate iterators-collection 0.3.3 on toolchain beta-2021-01-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate iterators-collection 0.3.3
[INFO] finished tweaking crates.io crate iterators-collection 0.3.3
[INFO] tweaked toml for crates.io crate iterators-collection 0.3.3 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+beta-2021-01-01" "metadata" "--no-deps" "--format-version=1", 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] 85c3dea36dce9ec0d5bc57b16c6d5ef540ab7b5de83eea948443a21794d27d5c
[INFO] running `Command { std: "docker" "start" "-a" "85c3dea36dce9ec0d5bc57b16c6d5ef540ab7b5de83eea948443a21794d27d5c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "85c3dea36dce9ec0d5bc57b16c6d5ef540ab7b5de83eea948443a21794d27d5c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "85c3dea36dce9ec0d5bc57b16c6d5ef540ab7b5de83eea948443a21794d27d5c", kill_on_drop: false }`
[INFO] [stdout] 85c3dea36dce9ec0d5bc57b16c6d5ef540ab7b5de83eea948443a21794d27d5c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+beta-2021-01-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6333237cc2db9e6f9414161f4dee538dec89bcfb4c7c23583147ae100a68e0df
[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" "6333237cc2db9e6f9414161f4dee538dec89bcfb4c7c23583147ae100a68e0df", kill_on_drop: false }`
[INFO] [stderr]    Compiling iterators-collection v0.3.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.35s
[INFO] running `Command { std: "docker" "inspect" "6333237cc2db9e6f9414161f4dee538dec89bcfb4c7c23583147ae100a68e0df", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6333237cc2db9e6f9414161f4dee538dec89bcfb4c7c23583147ae100a68e0df", kill_on_drop: false }`
[INFO] [stdout] 6333237cc2db9e6f9414161f4dee538dec89bcfb4c7c23583147ae100a68e0df
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+beta-2021-01-01" "test" "--frozen" "--no-run" "--message-format=json", 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] 820cb0daf22f67c8707baf1eae138d0d3e7310bf7f168665be5b9ffc7b920aa8
[INFO] running `Command { std: "docker" "start" "-a" "820cb0daf22f67c8707baf1eae138d0d3e7310bf7f168665be5b9ffc7b920aa8", kill_on_drop: false }`
[INFO] [stderr]    Compiling iterators-collection v0.3.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.02s
[INFO] running `Command { std: "docker" "inspect" "820cb0daf22f67c8707baf1eae138d0d3e7310bf7f168665be5b9ffc7b920aa8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "820cb0daf22f67c8707baf1eae138d0d3e7310bf7f168665be5b9ffc7b920aa8", kill_on_drop: false }`
[INFO] [stdout] 820cb0daf22f67c8707baf1eae138d0d3e7310bf7f168665be5b9ffc7b920aa8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+beta-2021-01-01" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 3637fbd8bc9c5230c574fc51dde5760b06dd13585170460a3178abc85ee7ae3f
[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" "3637fbd8bc9c5230c574fc51dde5760b06dd13585170460a3178abc85ee7ae3f", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/iterators_collection-caec555e40d771e0
[INFO] [stdout] 
[INFO] [stdout] running 14 tests
[INFO] [stdout] test filter::tests::exclude ... ok
[INFO] [stdout] test share::tests::double_iterator_never_get_the_same_value ... ok
[INFO] [stdout] test share::tests::double_iterator_set ... ok
[INFO] [stdout] test share::tests::double_iterator_does_not_loop ... ok
[INFO] [stdout] test share::tests::double_iterator_safe_for_each ... ok
[INFO] [stdout] test share::tests::double_iterator_get_all_the_possible_values ... ok
[INFO] [stdout] test share::tests::double_iterator_reset ... ok
[INFO] [stdout] test share::tests::single_line_iterator_from_double_iterator_works ... ok
[INFO] [stdout] test share::tests::single_line_iterator_iterates_well ... ok
[INFO] [stdout] test share::tests::single_line_iterator_safe_for_each ... ok
[INFO] [stdout] test filter::tests::exclude_construction ... ok
[INFO] [stdout] test share::tests::double_iterator_set_panics_for_overflow ... ok
[INFO] [stdout] test share::tests::double_iterator_set_panics_with_same_values ... ok
[INFO] [stdout] test share::tests::single_line_iterator_new_panics_when_out_of_range ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 14 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.05s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests iterators-collection
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test src/share/mod.rs - share::DoubleIterator::safe_for_each (line 108) ... ok
[INFO] [stdout] test src/share/mod.rs - share::DoubleIterator (line 40) ... ok
[INFO] [stdout] test src/share/mod.rs - share::DoubleIterator (line 21) ... ok
[INFO] [stdout] test src/share/mod.rs - share::SingleLineIterator::safe_for_each (line 230) ... ok
[INFO] [stdout] test src/share/mod.rs - share::DoubleIterator (line 8) ... ok
[INFO] [stdout] test src/filter/mod.rs - filter::Exclude (line 6) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.04s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "3637fbd8bc9c5230c574fc51dde5760b06dd13585170460a3178abc85ee7ae3f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3637fbd8bc9c5230c574fc51dde5760b06dd13585170460a3178abc85ee7ae3f", kill_on_drop: false }`
[INFO] [stdout] 3637fbd8bc9c5230c574fc51dde5760b06dd13585170460a3178abc85ee7ae3f