[INFO] fetching crate option-filter 1.0.2...
[INFO] testing option-filter-1.0.2 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate option-filter 1.0.2 into /workspace/builds/worker-11/source
[INFO] validating manifest of crates.io crate option-filter 1.0.2 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 option-filter 1.0.2
[INFO] finished tweaking crates.io crate option-filter 1.0.2
[INFO] tweaked toml for crates.io crate option-filter 1.0.2 written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[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-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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] 532dec599b2e42d9708d10f59b32888e8b3a1854d1a59294c62039d398bb1441
[INFO] running `Command { std: "docker" "start" "-a" "532dec599b2e42d9708d10f59b32888e8b3a1854d1a59294c62039d398bb1441", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "532dec599b2e42d9708d10f59b32888e8b3a1854d1a59294c62039d398bb1441", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "532dec599b2e42d9708d10f59b32888e8b3a1854d1a59294c62039d398bb1441", kill_on_drop: false }`
[INFO] [stdout] 532dec599b2e42d9708d10f59b32888e8b3a1854d1a59294c62039d398bb1441
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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] a377053c105d18127c0df542739d4a6cfeef41d2c9fd895487b3e70087c89e3b
[INFO] running `Command { std: "docker" "start" "-a" "a377053c105d18127c0df542739d4a6cfeef41d2c9fd895487b3e70087c89e3b", kill_on_drop: false }`
[INFO] [stderr]    Compiling option-filter v1.0.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition.
[INFO] [stdout]   --> lib.rs:48:66
[INFO] [stdout]    |
[INFO] [stdout] 48 |     fn filter<F: FnOnce(&Self::OptionFilterInner) -> bool>(self, F) -> Self;
[INFO] [stdout]    |                                                                  ^ help: try naming the parameter or explicitly ignoring it: `_: F`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(anonymous_parameters)]` on by default
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]    = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.93s
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "a377053c105d18127c0df542739d4a6cfeef41d2c9fd895487b3e70087c89e3b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a377053c105d18127c0df542739d4a6cfeef41d2c9fd895487b3e70087c89e3b", kill_on_drop: false }`
[INFO] [stdout] a377053c105d18127c0df542739d4a6cfeef41d2c9fd895487b3e70087c89e3b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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] f5fbf4a8ecfd451b2c8df7c072157eea8794af41f1cee559148b6de8e9604cff
[INFO] running `Command { std: "docker" "start" "-a" "f5fbf4a8ecfd451b2c8df7c072157eea8794af41f1cee559148b6de8e9604cff", kill_on_drop: false }`
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition.
[INFO] [stdout]   --> lib.rs:48:66
[INFO] [stdout]    |
[INFO] [stdout] 48 |     fn filter<F: FnOnce(&Self::OptionFilterInner) -> bool>(self, F) -> Self;
[INFO] [stdout]    |                                                                  ^ help: try naming the parameter or explicitly ignoring it: `_: F`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(anonymous_parameters)]` on by default
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]    = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling option-filter v1.0.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition.
[INFO] [stdout]   --> lib.rs:48:66
[INFO] [stdout]    |
[INFO] [stdout] 48 |     fn filter<F: FnOnce(&Self::OptionFilterInner) -> bool>(self, F) -> Self;
[INFO] [stdout]    |                                                                  ^ help: try naming the parameter or explicitly ignoring it: `_: F`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(anonymous_parameters)]` on by default
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]    = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.58s
[INFO] running `Command { std: "docker" "inspect" "f5fbf4a8ecfd451b2c8df7c072157eea8794af41f1cee559148b6de8e9604cff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f5fbf4a8ecfd451b2c8df7c072157eea8794af41f1cee559148b6de8e9604cff", kill_on_drop: false }`
[INFO] [stdout] f5fbf4a8ecfd451b2c8df7c072157eea8794af41f1cee559148b6de8e9604cff
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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] [stdout] f4816118d5c6885597090edc58c8f134aa1f897bad840b339b8eff103c68eaf5
[INFO] running `Command { std: "docker" "start" "-a" "f4816118d5c6885597090edc58c8f134aa1f897bad840b339b8eff103c68eaf5", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr] warning: anonymous parameters are deprecated and will be removed in the next edition.
[INFO] [stdout] running 0 tests
[INFO] [stderr]   --> lib.rs:48:66
[INFO] [stdout] 
[INFO] [stderr]    |
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr] 48 |     fn filter<F: FnOnce(&Self::OptionFilterInner) -> bool>(self, F) -> Self;
[INFO] [stdout] 
[INFO] [stderr]    |                                                                  ^ help: try naming the parameter or explicitly ignoring it: `_: F`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(anonymous_parameters)]` on by default
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stderr]    = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stderr] 
[INFO] [stderr] warning: `option-filter` (lib) generated 1 warning
[INFO] [stderr] warning: `option-filter` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/option_filter-9d1c31a3ea04082e)
[INFO] [stderr]    Doc-tests option-filter
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test lib.rs - (line 22) ... ignored
[INFO] [stdout] test lib.rs - (line 29) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 1 ignored; 0 measured; 0 filtered out; finished in 0.38s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "f4816118d5c6885597090edc58c8f134aa1f897bad840b339b8eff103c68eaf5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f4816118d5c6885597090edc58c8f134aa1f897bad840b339b8eff103c68eaf5", kill_on_drop: false }`
[INFO] [stdout] f4816118d5c6885597090edc58c8f134aa1f897bad840b339b8eff103c68eaf5