[INFO] fetching crate optfield 0.4.0...
[INFO] testing optfield-0.4.0 against try#b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b for pr-145330-1
[INFO] extracting crate optfield 0.4.0 into /workspace/builds/worker-5-tc2/source
[INFO] started tweaking crates.io crate optfield 0.4.0
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate optfield 0.4.0
[INFO] tweaked toml for crates.io crate optfield 0.4.0 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate optfield 0.4.0 on toolchain b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 8 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5270b764e03ebece57039cafddab0e86d552ce0d82939f7591536b70d8e80697
[INFO] running `Command { std: "docker" "start" "-a" "5270b764e03ebece57039cafddab0e86d552ce0d82939f7591536b70d8e80697", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5270b764e03ebece57039cafddab0e86d552ce0d82939f7591536b70d8e80697", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5270b764e03ebece57039cafddab0e86d552ce0d82939f7591536b70d8e80697", kill_on_drop: false }`
[INFO] [stdout] 5270b764e03ebece57039cafddab0e86d552ce0d82939f7591536b70d8e80697
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bbd4f894ca97bff46ebf736e1c943391011caa19dd03c3384bf7a455dd012ebe
[INFO] running `Command { std: "docker" "start" "-a" "bbd4f894ca97bff46ebf736e1c943391011caa19dd03c3384bf7a455dd012ebe", kill_on_drop: false }`
[INFO] [stderr]    Compiling optfield v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.69s
[INFO] running `Command { std: "docker" "inspect" "bbd4f894ca97bff46ebf736e1c943391011caa19dd03c3384bf7a455dd012ebe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bbd4f894ca97bff46ebf736e1c943391011caa19dd03c3384bf7a455dd012ebe", kill_on_drop: false }`
[INFO] [stdout] bbd4f894ca97bff46ebf736e1c943391011caa19dd03c3384bf7a455dd012ebe
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8975efa5d0bdd109ecf6c035bc527bc2751fd4202939b87b67e11b197636be3c
[INFO] running `Command { std: "docker" "start" "-a" "8975efa5d0bdd109ecf6c035bc527bc2751fd4202939b87b67e11b197636be3c", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v2.0.106
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling optfield v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 11.76s
[INFO] running `Command { std: "docker" "inspect" "8975efa5d0bdd109ecf6c035bc527bc2751fd4202939b87b67e11b197636be3c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8975efa5d0bdd109ecf6c035bc527bc2751fd4202939b87b67e11b197636be3c", kill_on_drop: false }`
[INFO] [stdout] 8975efa5d0bdd109ecf6c035bc527bc2751fd4202939b87b67e11b197636be3c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 4d87ea1c9c0e1a2541abf1f883c82fcb012d0bc25cb4ef5d4dcbfad9a2c83bb1
[INFO] running `Command { std: "docker" "start" "-a" "4d87ea1c9c0e1a2541abf1f883c82fcb012d0bc25cb4ef5d4dcbfad9a2c83bb1", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/optfield-07c505df2ea2e71d)
[INFO] [stdout] 
[INFO] [stdout] running 47 tests
[INFO] [stdout] test args::tests::parse_attrs_test ... ok
[INFO] [stdout] test args::tests::parse_attr_list ... ok
[INFO] [stdout] test args::tests::parse_doc ... ok
[INFO] [stdout] test args::tests::parse_field_attrs ... ok
[INFO] [stdout] test args::tests::parse_from ... ok
[INFO] [stdout] test args::tests::parse_merge_fn ... ok
[INFO] [stdout] test args::tests::parse_name ... ok
[INFO] [stdout] test args::tests::parse_field_doc ... ok
[INFO] [stdout] test args::tests::parse_no_optional_args ... ok
[INFO] [stdout] test args::tests::parse_rewrap ... ok
[INFO] [stdout] test args::tests::parse_visibility ... ok
[INFO] [stdout] test attrs::tests::add_attrs ... ok
[INFO] [stdout] test attrs::tests::keep_attrs ... ok
[INFO] [stdout] test attrs::tests::keep_same_docs ... ok
[INFO] [stdout] test attrs::tests::remove_attrs ... ok
[INFO] [stdout] test attrs::tests::remove_docs ... ok
[INFO] [stdout] test attrs::tests::remove_other_optfield_attrs ... ok
[INFO] [stdout] test attrs::tests::replace_attrs ... ok
[INFO] [stdout] test attrs::tests::replace_docs ... ok
[INFO] [stdout] test fields::attrs::tests::add_attrs ... ok
[INFO] [stdout] test fields::attrs::tests::keep_attrs ... ok
[INFO] [stdout] test fields::attrs::tests::keep_docs ... ok
[INFO] [stdout] test fields::attrs::tests::remove_attrs ... ok
[INFO] [stdout] test fields::attrs::tests::remove_docs ... ok
[INFO] [stdout] test fields::attrs::tests::replace_attrs ... ok
[INFO] [stdout] test fields::tests::test_is_not_option ... ok
[INFO] [stdout] test fields::tests::test_is_option ... ok
[INFO] [stdout] test args::tests::doc_first_panics - should panic ... ok
[INFO] [stdout] test args::tests::attrs_first_panics - should panic ... ok
[INFO] [stdout] test fields::tests::without_rewrap ... ok
[INFO] [stdout] test generate::tests::sets_generics ... ok
[INFO] [stdout] test args::tests::duplicate_attrs_panics - should panic ... ok
[INFO] [stdout] test generate::tests::sets_name ... ok
[INFO] [stdout] test generate::tests::sets_visibility ... ok
[INFO] [stdout] test fields::tests::with_rewrap ... ok
[INFO] [stdout] test args::tests::duplicate_doc_panics - should panic ... ok
[INFO] [stdout] test args::tests::duplicate_field_attrs_panics - should panic ... ok
[INFO] [stdout] test args::tests::duplicate_field_doc_panics - should panic ... ok
[INFO] [stdout] test args::tests::duplicate_from_panics - should panic ... ok
[INFO] [stdout] test args::tests::duplicate_merge_fn_panics - should panic ... ok
[INFO] [stdout] test args::tests::duplicate_rewrap_panics - should panic ... ok
[INFO] [stdout] test args::tests::field_attrs_first_panics - should panic ... ok
[INFO] [stdout] test args::tests::empty_args_panics - should panic ... ok
[INFO] [stdout] test args::tests::from_first_panics - should panic ... ok
[INFO] [stdout] test args::tests::field_doc_first_panics - should panic ... ok
[INFO] [stdout] test args::tests::rewrap_first_panics - should panic ... ok
[INFO] [stdout] test args::tests::merge_fn_first_panics - should panic ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 47 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.04s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/from.rs (/opt/rustwide/target/debug/deps/from-f840525993bd10c4)
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test from_struct ... ok
[INFO] [stdout] test from_cfg_field ... ok
[INFO] [stdout] test from_tuple_struct ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/merge.rs (/opt/rustwide/target/debug/deps/merge-32e6359df73d91d0)
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test merge_cfg_field ... ok
[INFO] [stdout] test merge_tuple_struct ... ok
[INFO] [stdout] test merge_struct ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/multiple.rs (/opt/rustwide/target/debug/deps/multiple-5419cb738a833d35)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stderr]    Doc-tests optfield
[INFO] [stdout] test multiple_optfield_same_struct ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 39 tests
[INFO] [stdout] test src/lib.rs - (line 159) ... ok
[INFO] [stdout] test src/lib.rs - (line 226) ... ok
[INFO] [stdout] test src/lib.rs - (line 115) ... ok
[INFO] [stdout] test src/lib.rs - (line 216) ... ok
[INFO] [stdout] test src/lib.rs - (line 148) ... ok
[INFO] [stdout] test src/lib.rs - (line 251) ... ok
[INFO] [stdout] test src/lib.rs - (line 241) ... ok
[INFO] [stdout] test src/lib.rs - (line 134) ... ok
[INFO] [stdout] test src/lib.rs - (line 192) ... ok
[INFO] [stdout] test src/lib.rs - (line 234) ... ok
[INFO] [stdout] test src/lib.rs - (line 19) ... ok
[INFO] [stdout] test src/lib.rs - (line 105) ... ok
[INFO] [stdout] test src/lib.rs - (line 201) ... ok
[INFO] [stdout] test src/lib.rs - (line 257) ... ok
[INFO] [stdout] test src/lib.rs - (line 169) ... ok
[INFO] [stdout] test src/lib.rs - (line 267) ... ok
[INFO] [stdout] test src/lib.rs - (line 28) ... ok
[INFO] [stdout] test src/lib.rs - (line 177) ... ok
[INFO] [stdout] test src/lib.rs - (line 353) ... ok
[INFO] [stdout] test src/lib.rs - (line 126) ... ok
[INFO] [stdout] test src/lib.rs - (line 40) ... ok
[INFO] [stdout] test src/lib.rs - (line 34) ... ok
[INFO] [stdout] test src/lib.rs - (line 388) ... ok
[INFO] [stdout] test src/lib.rs - (line 293) ... ok
[INFO] [stdout] test src/lib.rs - (line 312) ... ok
[INFO] [stdout] test src/lib.rs - (line 61) ... ok
[INFO] [stdout] test src/lib.rs - (line 401) ... ok
[INFO] [stdout] test src/lib.rs - (line 340) ... ok
[INFO] [stdout] test src/lib.rs - (line 321) ... ok
[INFO] [stdout] test src/lib.rs - (line 69) ... ok
[INFO] [stdout] test src/lib.rs - (line 44) ... ok
[INFO] [stdout] test src/lib.rs - (line 282) ... ok
[INFO] [stdout] test src/lib.rs - (line 96) ... ok
[INFO] [stdout] test src/lib.rs - (line 52) ... ok
[INFO] [stdout] test src/lib.rs - (line 433) ... ok
[INFO] [stdout] test src/lib.rs - (line 301) ... ok
[INFO] [stdout] test src/lib.rs - (line 79) ... ok
[INFO] [stdout] test src/lib.rs - (line 372) ... ok
[INFO] [stdout] test src/lib.rs - (line 88) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 39 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.58s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "4d87ea1c9c0e1a2541abf1f883c82fcb012d0bc25cb4ef5d4dcbfad9a2c83bb1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4d87ea1c9c0e1a2541abf1f883c82fcb012d0bc25cb4ef5d4dcbfad9a2c83bb1", kill_on_drop: false }`
[INFO] [stdout] 4d87ea1c9c0e1a2541abf1f883c82fcb012d0bc25cb4ef5d4dcbfad9a2c83bb1