[INFO] fetching crate iter-opt-filter 0.1.0...
[INFO] testing iter-opt-filter-0.1.0 against master#a77da2d454e6caa227a85b16410b95f93495e7e0 for pr-91031
[INFO] extracting crate iter-opt-filter 0.1.0 into /workspace/builds/worker-13/source
[INFO] validating manifest of crates.io crate iter-opt-filter 0.1.0 on toolchain a77da2d454e6caa227a85b16410b95f93495e7e0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "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-13/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "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" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 62491d017fed1d9737489484212fb57529a62cee09fd6a6139c74d67ac2457c0
[INFO] running `Command { std: "docker" "start" "-a" "62491d017fed1d9737489484212fb57529a62cee09fd6a6139c74d67ac2457c0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "62491d017fed1d9737489484212fb57529a62cee09fd6a6139c74d67ac2457c0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "62491d017fed1d9737489484212fb57529a62cee09fd6a6139c74d67ac2457c0", kill_on_drop: false }`
[INFO] [stdout] 62491d017fed1d9737489484212fb57529a62cee09fd6a6139c74d67ac2457c0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 520d4e39463eeea5701292b854a24e08558d8df8e8c80ed5cd354cd44d5f041f
[INFO] running `Command { std: "docker" "start" "-a" "520d4e39463eeea5701292b854a24e08558d8df8e8c80ed5cd354cd44d5f041f", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling iter-opt-filter v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.70s
[INFO] running `Command { std: "docker" "inspect" "520d4e39463eeea5701292b854a24e08558d8df8e8c80ed5cd354cd44d5f041f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "520d4e39463eeea5701292b854a24e08558d8df8e8c80ed5cd354cd44d5f041f", kill_on_drop: false }`
[INFO] [stdout] 520d4e39463eeea5701292b854a24e08558d8df8e8c80ed5cd354cd44d5f041f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ec13c4e2236ccf179e54ddb92e74f5a0580fe54b8a86aaf7c4710940a6c137f3
[INFO] running `Command { std: "docker" "start" "-a" "ec13c4e2236ccf179e54ddb92e74f5a0580fe54b8a86aaf7c4710940a6c137f3", 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 0.96s
[INFO] running `Command { std: "docker" "inspect" "ec13c4e2236ccf179e54ddb92e74f5a0580fe54b8a86aaf7c4710940a6c137f3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ec13c4e2236ccf179e54ddb92e74f5a0580fe54b8a86aaf7c4710940a6c137f3", kill_on_drop: false }`
[INFO] [stdout] ec13c4e2236ccf179e54ddb92e74f5a0580fe54b8a86aaf7c4710940a6c137f3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 3d6793eceebd7f06ff1fb91e13367c535e30ba326778b3d9547ae7008335dbfc
[INFO] running `Command { std: "docker" "start" "-a" "3d6793eceebd7f06ff1fb91e13367c535e30ba326778b3d9547ae7008335dbfc", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.17s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/iter_opt_filter-08dcbe8c4afa4dba)
[INFO] [stdout] 
[INFO] [stdout] running 38 tests
[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_blackbox_boxed ... ok
[INFO] [stdout] test tests::benches::count::disabled_const_boxed ... ok
[INFO] [stdout] test tests::benches::count::enabled_baseline ... ok
[INFO] [stdout] test tests::double_ended_enabled ... ok
[INFO] [stdout] test tests::nested_const ... ok
[INFO] [stdout] test tests::nested_false_false ... ok
[INFO] [stdout] test tests::benches::count::enabled_blackbox ... ok
[INFO] [stdout] test tests::const_disabled ... ok
[INFO] [stdout] test tests::const_enabled ... ok
[INFO] [stdout] test tests::nested_true_true ... ok
[INFO] [stdout] test tests::nested_true_false ... ok
[INFO] [stdout] test tests::nested_false_true ... ok
[INFO] [stdout] test tests::benches::count::enabled_const ... ok
[INFO] [stdout] test tests::benches::sum::disabled_baseline ... ok
[INFO] [stdout] test tests::benches::count::enabled_blackbox_boxed ... ok
[INFO] [stdout] test tests::benches::sum::disabled_blackbox ... ok
[INFO] [stdout] test tests::benches::sum::disabled_blackbox_boxed ... ok
[INFO] [stdout] test tests::benches::sum::disabled_const ... ok
[INFO] [stdout] test tests::benches::sum::disabled_const_boxed ... ok
[INFO] [stdout] test tests::benches::sum::enabled_baseline ... ok
[INFO] [stdout] test tests::benches::collect_vec::disabled_baseline ... ok
[INFO] [stdout] test tests::benches::count::enabled_const_boxed ... ok
[INFO] [stdout] test tests::benches::collect_vec::disabled_const ... ok
[INFO] [stdout] test tests::benches::collect_vec::disabled_blackbox_boxed ... ok
[INFO] [stdout] test tests::benches::collect_vec::disabled_blackbox ... ok
[INFO] [stdout] test tests::benches::sum::enabled_const ... ok
[INFO] [stdout] test tests::benches::sum::enabled_blackbox_boxed ... ok
[INFO] [stdout] test tests::benches::sum::enabled_const_boxed ... ok
[INFO] [stdout] test tests::benches::sum::enabled_blackbox ... ok
[INFO] [stdout] test tests::benches::collect_vec::disabled_const_boxed ... ok
[INFO] [stdout] test tests::benches::collect_vec::enabled_baseline ... ok
[INFO] [stdout] test tests::benches::collect_vec::enabled_blackbox_boxed ... ok
[INFO] [stdout] test tests::benches::collect_vec::enabled_const ... ok
[INFO] [stderr]    Doc-tests iter-opt-filter
[INFO] [stdout] test tests::benches::collect_vec::enabled_const_boxed ... 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 0.23s
[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 0.27s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "3d6793eceebd7f06ff1fb91e13367c535e30ba326778b3d9547ae7008335dbfc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3d6793eceebd7f06ff1fb91e13367c535e30ba326778b3d9547ae7008335dbfc", kill_on_drop: false }`
[INFO] [stdout] 3d6793eceebd7f06ff1fb91e13367c535e30ba326778b3d9547ae7008335dbfc