[INFO] fetching crate optfield 0.1.0...
[INFO] testing optfield-0.1.0 against try#eafdee2dfae8c2233b74f98b123308be7ccefcc6 for pr-79296
[INFO] extracting crate optfield 0.1.0 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate optfield 0.1.0 on toolchain eafdee2dfae8c2233b74f98b123308be7ccefcc6
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate optfield 0.1.0
[INFO] finished tweaking crates.io crate optfield 0.1.0
[INFO] tweaked toml for crates.io crate optfield 0.1.0 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] dd167307a342c5d20614fd7061586f56ccdb76e3e54eb46a314e5836b60ea9e9
[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" "dd167307a342c5d20614fd7061586f56ccdb76e3e54eb46a314e5836b60ea9e9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dd167307a342c5d20614fd7061586f56ccdb76e3e54eb46a314e5836b60ea9e9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dd167307a342c5d20614fd7061586f56ccdb76e3e54eb46a314e5836b60ea9e9", kill_on_drop: false }`
[INFO] [stdout] dd167307a342c5d20614fd7061586f56ccdb76e3e54eb46a314e5836b60ea9e9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "build" "--frozen" "--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] 15bce1a6fceecee643ebff1fe86bb0dc2cba26d35b7925c030fa8c0a0d63a156
[INFO] running `Command { std: "docker" "start" "-a" "15bce1a6fceecee643ebff1fe86bb0dc2cba26d35b7925c030fa8c0a0d63a156", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.52
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling optfield v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 25.34s
[INFO] running `Command { std: "docker" "inspect" "15bce1a6fceecee643ebff1fe86bb0dc2cba26d35b7925c030fa8c0a0d63a156", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "15bce1a6fceecee643ebff1fe86bb0dc2cba26d35b7925c030fa8c0a0d63a156", kill_on_drop: false }`
[INFO] [stdout] 15bce1a6fceecee643ebff1fe86bb0dc2cba26d35b7925c030fa8c0a0d63a156
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "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] 7ec21064d431f7f0e1b8edd88d17123ebb344b3e2205dec3704d2755cf98de0e
[INFO] running `Command { std: "docker" "start" "-a" "7ec21064d431f7f0e1b8edd88d17123ebb344b3e2205dec3704d2755cf98de0e", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro-hack v0.5.19
[INFO] [stderr]    Compiling serde_derive v1.0.117
[INFO] [stderr]    Compiling serde v1.0.117
[INFO] [stderr]    Compiling paste-impl v0.1.18
[INFO] [stderr]    Compiling paste v0.1.18
[INFO] [stderr]    Compiling optfield v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 24.70s
[INFO] running `Command { std: "docker" "inspect" "7ec21064d431f7f0e1b8edd88d17123ebb344b3e2205dec3704d2755cf98de0e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7ec21064d431f7f0e1b8edd88d17123ebb344b3e2205dec3704d2755cf98de0e", kill_on_drop: false }`
[INFO] [stdout] 7ec21064d431f7f0e1b8edd88d17123ebb344b3e2205dec3704d2755cf98de0e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] e730ac1094e9778d36218ad8df531f321386afdef41955b523829a3c1814870e
[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" "e730ac1094e9778d36218ad8df531f321386afdef41955b523829a3c1814870e", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/optfield-5b4523a82339fe0a
[INFO] [stdout] 
[INFO] [stdout] running 44 tests
[INFO] [stdout] test args::tests::parse_doc ... ok
[INFO] [stdout] test args::tests::parse_field_attrs ... ok
[INFO] [stdout] test args::tests::parse_attr_list ... ok
[INFO] [stdout] test args::tests::parse_attrs_test ... ok
[INFO] [stdout] test args::tests::parse_merge_fn ... ok
[INFO] [stdout] test args::tests::parse_name ... ok
[INFO] [stdout] test args::tests::parse_rewrap ... ok
[INFO] [stdout] test args::tests::parse_field_doc ... ok
[INFO] [stdout] test args::tests::parse_visibility ... ok
[INFO] [stdout] test args::tests::parse_no_optional_args ... ok
[INFO] [stdout] test attrs::tests::keep_attrs ... ok
[INFO] [stdout] test attrs::tests::add_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 fields::attrs::tests::add_attrs ... ok
[INFO] [stdout] test fields::attrs::tests::keep_attrs ... ok
[INFO] [stdout] test fields::attrs::tests::remove_attrs ... ok
[INFO] [stdout] test fields::attrs::tests::remove_docs ... ok
[INFO] [stdout] test attrs::tests::replace_docs ... ok
[INFO] [stdout] test fields::attrs::tests::replace_attrs ... ok
[INFO] [stdout] test fields::attrs::tests::keep_docs ... ok
[INFO] [stdout] test fields::tests::test_is_not_option ... ok
[INFO] [stdout] test fields::tests::test_is_option ... ok
[INFO] [stdout] test fields::tests::with_rewrap ... ok
[INFO] [stdout] test fields::tests::without_rewrap ... ok
[INFO] [stdout] test generate::tests::sets_generics ... ok
[INFO] [stdout] test generate::tests::sets_name ... ok
[INFO] [stdout] test generate::tests::sets_visibility ... ok
[INFO] [stdout] test args::tests::doc_first_panics ... ok
[INFO] [stdout] test args::tests::duplicate_merge_fn_panics ... ok
[INFO] [stdout] test args::tests::duplicate_rewrap_panics ... ok
[INFO] [stdout] test args::tests::duplicate_field_doc_panics ... ok
[INFO] [stdout] test args::tests::field_attrs_first_panics ... ok
[INFO] [stdout] test args::tests::attrs_first_panics ... ok
[INFO] [stdout] test args::tests::duplicate_attrs_panics ... ok
[INFO] [stdout] test args::tests::empty_args_panics ... ok
[INFO] [stdout] test args::tests::duplicate_field_attrs_panics ... ok
[INFO] [stdout] test args::tests::field_doc_first_panics ... ok
[INFO] [stdout] test args::tests::merge_fn_first_panics ... ok
[INFO] [stdout] test args::tests::rewrap_first_panics ... ok
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/merge-9c81397e435df6df
[INFO] [stdout] test args::tests::duplicate_doc_panics ... ok
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/multiple-4a86c1d546ef9607
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 44 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test merge_struct ... ok
[INFO] [stdout] test merge_tuple_struct ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[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
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests optfield
[INFO] [stdout] 
[INFO] [stdout] running 36 tests
[INFO] [stdout] test src/lib.rs - (line 205) ... ok
[INFO] [stdout] test src/lib.rs - (line 190) ... ok
[INFO] [stdout] test src/lib.rs - (line 231) ... ok
[INFO] [stdout] test src/lib.rs - (line 166) ... ok
[INFO] [stdout] test src/lib.rs - (line 104) ... ok
[INFO] [stdout] test src/lib.rs - (line 23) ... ok
[INFO] [stdout] test src/lib.rs - (line 215) ... ok
[INFO] [stdout] test src/lib.rs - (line 158) ... ok
[INFO] [stdout] test src/lib.rs - (line 137) ... ok
[INFO] [stdout] test src/lib.rs - (line 115) ... ok
[INFO] [stdout] test src/lib.rs - (line 241) ... ok
[INFO] [stdout] test src/lib.rs - (line 148) ... ok
[INFO] [stdout] test src/lib.rs - (line 225) ... ok
[INFO] [stdout] test src/lib.rs - (line 123) ... ok
[INFO] [stdout] test src/lib.rs - (line 181) ... ok
[INFO] [stdout] test src/lib.rs - (line 17) ... ok
[INFO] [stdout] test src/lib.rs - (line 267) ... ok
[INFO] [stdout] test src/lib.rs - (line 362) ... ok
[INFO] [stdout] test src/lib.rs - (line 29) ... ok
[INFO] [stdout] test src/lib.rs - (line 295) ... ok
[INFO] [stdout] test src/lib.rs - (line 41) ... ok
[INFO] [stdout] test src/lib.rs - (line 58) ... ok
[INFO] [stdout] test src/lib.rs - (line 275) ... ok
[INFO] [stdout] test src/lib.rs - (line 286) ... ok
[INFO] [stdout] test src/lib.rs - (line 256) ... ok
[INFO] [stdout] test src/lib.rs - (line 375) ... ok
[INFO] [stdout] test src/lib.rs - (line 314) ... ok
[INFO] [stdout] test src/lib.rs - (line 50) ... ok
[INFO] [stdout] test src/lib.rs - (line 33) ... ok
[INFO] [stdout] test src/lib.rs - (line 327) ... ok
[INFO] [stdout] test src/lib.rs - (line 77) ... ok
[INFO] [stdout] test src/lib.rs - (line 346) ... ok
[INFO] [stdout] test src/lib.rs - (line 68) ... ok
[INFO] [stdout] test src/lib.rs - (line 8) ... ok
[INFO] [stdout] test src/lib.rs - (line 94) ... ok
[INFO] [stdout] test src/lib.rs - (line 85) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 36 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "e730ac1094e9778d36218ad8df531f321386afdef41955b523829a3c1814870e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e730ac1094e9778d36218ad8df531f321386afdef41955b523829a3c1814870e", kill_on_drop: false }`
[INFO] [stdout] e730ac1094e9778d36218ad8df531f321386afdef41955b523829a3c1814870e