[INFO] fetching crate synstructure 0.12.4...
[INFO] testing synstructure-0.12.4 against try#ecabaf78506b7a4668d42dc20268c086b93f0fad for pr-87041
[INFO] extracting crate synstructure 0.12.4 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate synstructure 0.12.4 on toolchain ecabaf78506b7a4668d42dc20268c086b93f0fad
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate synstructure 0.12.4
[INFO] finished tweaking crates.io crate synstructure 0.12.4
[INFO] tweaked toml for crates.io crate synstructure 0.12.4 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded synstructure_test_traits v0.1.0
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7f42cce40479b08caba5ed9340ae0f5d63eb8121d0bd99259951077fffb745ab
[INFO] running `Command { std: "docker" "start" "-a" "7f42cce40479b08caba5ed9340ae0f5d63eb8121d0bd99259951077fffb745ab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7f42cce40479b08caba5ed9340ae0f5d63eb8121d0bd99259951077fffb745ab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7f42cce40479b08caba5ed9340ae0f5d63eb8121d0bd99259951077fffb745ab", kill_on_drop: false }`
[INFO] [stdout] 7f42cce40479b08caba5ed9340ae0f5d63eb8121d0bd99259951077fffb745ab
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 69a44fe98423beaee06051023b5ac28b95dffa61a78492f50ffd018d6fa9c1c0
[INFO] running `Command { std: "docker" "start" "-a" "69a44fe98423beaee06051023b5ac28b95dffa61a78492f50ffd018d6fa9c1c0", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.27
[INFO] [stderr]    Compiling syn v1.0.73
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling synstructure v0.12.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.44s
[INFO] running `Command { std: "docker" "inspect" "69a44fe98423beaee06051023b5ac28b95dffa61a78492f50ffd018d6fa9c1c0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "69a44fe98423beaee06051023b5ac28b95dffa61a78492f50ffd018d6fa9c1c0", kill_on_drop: false }`
[INFO] [stdout] 69a44fe98423beaee06051023b5ac28b95dffa61a78492f50ffd018d6fa9c1c0
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4c5c6f0b10f744255edefec83ee491b813718edc06806d7b5b2576c338308a0a
[INFO] running `Command { std: "docker" "start" "-a" "4c5c6f0b10f744255edefec83ee491b813718edc06806d7b5b2576c338308a0a", kill_on_drop: false }`
[INFO] [stderr]    Compiling synstructure_test_traits v0.1.0
[INFO] [stderr]    Compiling synstructure v0.12.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.96s
[INFO] running `Command { std: "docker" "inspect" "4c5c6f0b10f744255edefec83ee491b813718edc06806d7b5b2576c338308a0a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4c5c6f0b10f744255edefec83ee491b813718edc06806d7b5b2576c338308a0a", kill_on_drop: false }`
[INFO] [stdout] 4c5c6f0b10f744255edefec83ee491b813718edc06806d7b5b2576c338308a0a
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 569e2468be9bef52d071eb1ae68a5df1472cd03d789964a8733ec7dd69049c2e
[INFO] running `Command { std: "docker" "start" "-a" "569e2468be9bef52d071eb1ae68a5df1472cd03d789964a8733ec7dd69049c2e", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/synstructure-be433c62af5d5666)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests synstructure
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 42 tests
[INFO] [stdout] test src/lib.rs - Structure::gen_impl (line 1993) ... ignored
[INFO] [stdout] test src/lib.rs - Structure::gen_impl (line 2035) ... ignored
[INFO] [stdout] test src/lib.rs - Structure::gen_impl (line 2048) ... ignored
[INFO] [stdout] test src/lib.rs - (line 10) ... ok
[INFO] [stdout] test src/lib.rs - (line 79) ... ok
[INFO] [stdout] test src/lib.rs - Structure::add_where_predicate (line 1235) ... FAILED
[INFO] [stderr] error: test failed, to rerun pass '--doc'
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type lib --crate-name synstructure --test /opt/rustwide/workdir/src/lib.rs -L dependency=/opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-5b330f06fc285dbb.rlib --extern quote=/opt/rustwide/target/debug/deps/libquote-0ef54a662d4e5a40.rlib --extern syn=/opt/rustwide/target/debug/deps/libsyn-86920d7e4582be3e.rlib --extern synstructure=/opt/rustwide/target/debug/deps/libsynstructure-34b42f110fe2ce61.rlib --extern synstructure_test_traits=/opt/rustwide/target/debug/deps/libsynstructure_test_traits-23d149b16e177139.rlib --extern unicode_xid=/opt/rustwide/target/debug/deps/libunicode_xid-38987aa89d2b0d41.rlib -C embed-bitcode=no --cfg 'feature="default"' --cfg 'feature="proc-macro"' --error-format human` (signal: 9, SIGKILL: kill)
[INFO] running `Command { std: "docker" "inspect" "569e2468be9bef52d071eb1ae68a5df1472cd03d789964a8733ec7dd69049c2e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "569e2468be9bef52d071eb1ae68a5df1472cd03d789964a8733ec7dd69049c2e", kill_on_drop: false }`
[INFO] [stdout] 569e2468be9bef52d071eb1ae68a5df1472cd03d789964a8733ec7dd69049c2e