[INFO] fetching crate iter-opt-filter 0.1.0...
[INFO] testing iter-opt-filter-0.1.0 against master#b70888601af92f6cdc0364abab3446e418b91d36 for pr-86479
[INFO] extracting crate iter-opt-filter 0.1.0 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate iter-opt-filter 0.1.0 on toolchain b70888601af92f6cdc0364abab3446e418b91d36
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate iter-opt-filter 0.1.0
[INFO] finished tweaking crates.io crate iter-opt-filter 0.1.0
[INFO] tweaked toml for crates.io crate iter-opt-filter 0.1.0 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9beb28760ab7e09d05fe2f521a25172eb074a12fafc34d6a536548fab3fb3904
[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" "9beb28760ab7e09d05fe2f521a25172eb074a12fafc34d6a536548fab3fb3904", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9beb28760ab7e09d05fe2f521a25172eb074a12fafc34d6a536548fab3fb3904", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9beb28760ab7e09d05fe2f521a25172eb074a12fafc34d6a536548fab3fb3904", kill_on_drop: false }`
[INFO] [stdout] 9beb28760ab7e09d05fe2f521a25172eb074a12fafc34d6a536548fab3fb3904
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6b1e902d531e0ab2a8813062f14fb9a971927d2a2632c306778e35d700a62c66
[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" "6b1e902d531e0ab2a8813062f14fb9a971927d2a2632c306778e35d700a62c66", kill_on_drop: false }`
[INFO] [stderr]    Compiling iter-opt-filter v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.11s
[INFO] running `Command { std: "docker" "inspect" "6b1e902d531e0ab2a8813062f14fb9a971927d2a2632c306778e35d700a62c66", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6b1e902d531e0ab2a8813062f14fb9a971927d2a2632c306778e35d700a62c66", kill_on_drop: false }`
[INFO] [stdout] 6b1e902d531e0ab2a8813062f14fb9a971927d2a2632c306778e35d700a62c66
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 17d633f84c8d0e76e4e566b10e38514b2d7bd84887806f0df1267e1333c61222
[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" "17d633f84c8d0e76e4e566b10e38514b2d7bd84887806f0df1267e1333c61222", kill_on_drop: false }`
[INFO] [stderr]    Compiling iter-opt-filter v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.74s
[INFO] running `Command { std: "docker" "inspect" "17d633f84c8d0e76e4e566b10e38514b2d7bd84887806f0df1267e1333c61222", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "17d633f84c8d0e76e4e566b10e38514b2d7bd84887806f0df1267e1333c61222", kill_on_drop: false }`
[INFO] [stdout] 17d633f84c8d0e76e4e566b10e38514b2d7bd84887806f0df1267e1333c61222
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] f305ec64b08a4f1af48d00481c276da5018d6523255a567c9559b073008a557a
[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" "f305ec64b08a4f1af48d00481c276da5018d6523255a567c9559b073008a557a", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/iter_opt_filter-82b3e78156f6d665)
[INFO] [stdout] 
[INFO] [stdout] running 38 tests
[INFO] [stdout] test tests::benches::count::disabled_blackbox_boxed ... ok
[INFO] [stdout] test tests::benches::count::disabled_const ... ok
[INFO] [stdout] test tests::benches::count::disabled_blackbox ... ok
[INFO] [stdout] test tests::benches::count::disabled_baseline ... ok
[INFO] [stdout] test tests::benches::count::disabled_const_boxed ... ok
[INFO] [stdout] test tests::benches::count::enabled_baseline ... ok
[INFO] [stdout] test tests::benches::count::enabled_blackbox ... ok
[INFO] [stdout] test tests::benches::count::enabled_const ... ok
[INFO] [stdout] test tests::benches::count::enabled_blackbox_boxed ... ok
[INFO] [stdout] test tests::benches::sum::disabled_baseline ... ok
[INFO] [stdout] test tests::benches::sum::disabled_blackbox ... ok
[INFO] [stdout] test tests::benches::collect_vec::disabled_baseline ... ok
[INFO] [stdout] test tests::benches::collect_vec::disabled_blackbox_boxed ... ok
[INFO] [stdout] test tests::benches::collect_vec::disabled_const_boxed ... ok
[INFO] [stdout] test tests::benches::sum::enabled_baseline ... ok
[INFO] [stdout] test tests::benches::sum::disabled_const ... ok
[INFO] [stdout] test tests::benches::count::enabled_const_boxed ... ok
[INFO] [stdout] test tests::benches::sum::disabled_blackbox_boxed ... ok
[INFO] [stdout] test tests::benches::sum::disabled_const_boxed ... ok
[INFO] [stdout] test tests::const_disabled ... ok
[INFO] [stdout] test tests::benches::sum::enabled_blackbox_boxed ... ok
[INFO] [stdout] test tests::const_enabled ... ok
[INFO] [stdout] test tests::nested_false_false ... ok
[INFO] [stdout] test tests::nested_false_true ... ok
[INFO] [stdout] test tests::nested_true_false ... ok
[INFO] [stdout] test tests::double_ended_enabled ... ok
[INFO] [stdout] test tests::nested_const ... ok
[INFO] [stdout] test tests::benches::sum::enabled_const ... ok
[INFO] [stdout] test tests::nested_true_true ... ok
[INFO] [stdout] test tests::benches::collect_vec::disabled_const ... ok
[INFO] [stdout] test tests::benches::collect_vec::disabled_blackbox ... ok
[INFO] [stdout] test tests::benches::sum::enabled_blackbox ... ok
[INFO] [stdout] test tests::benches::collect_vec::enabled_blackbox_boxed ... ok
[INFO] [stdout] test tests::benches::collect_vec::enabled_baseline ... ok
[INFO] [stdout] test tests::benches::sum::enabled_const_boxed ... ok
[INFO] [stdout] test tests::benches::collect_vec::enabled_const_boxed ... ok
[INFO] [stderr]    Doc-tests iter-opt-filter
[INFO] [stdout] test tests::benches::collect_vec::enabled_const ... ok
[INFO] [stdout] test tests::benches::collect_vec::enabled_blackbox ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 38 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.82s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/lib.rs - IteratorOptionalFilterExt::optional_filter (line 24) ... ok
[INFO] [stdout] test src/lib.rs - IteratorOptionalFilterExt::optional_filter (line 41) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.40s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "f305ec64b08a4f1af48d00481c276da5018d6523255a567c9559b073008a557a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f305ec64b08a4f1af48d00481c276da5018d6523255a567c9559b073008a557a", kill_on_drop: false }`
[INFO] [stdout] f305ec64b08a4f1af48d00481c276da5018d6523255a567c9559b073008a557a