[INFO] fetching crate synstructure 0.12.6...
[INFO] testing synstructure-0.12.6 against 1.60.0 for beta-1.61-1
[INFO] extracting crate synstructure 0.12.6 into /workspace/builds/worker-21/source
[INFO] validating manifest of crates.io crate synstructure 0.12.6 on toolchain 1.60.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate synstructure 0.12.6
[INFO] finished tweaking crates.io crate synstructure 0.12.6
[INFO] tweaked toml for crates.io crate synstructure 0.12.6 written to /workspace/builds/worker-21/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "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-21/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 55986f8e131bc0def2cd2393bb29eb93551ef15f403a374ed4d6fd6cee3eb8de
[INFO] running `Command { std: "docker" "start" "-a" "55986f8e131bc0def2cd2393bb29eb93551ef15f403a374ed4d6fd6cee3eb8de", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "55986f8e131bc0def2cd2393bb29eb93551ef15f403a374ed4d6fd6cee3eb8de", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "55986f8e131bc0def2cd2393bb29eb93551ef15f403a374ed4d6fd6cee3eb8de", kill_on_drop: false }`
[INFO] [stdout] 55986f8e131bc0def2cd2393bb29eb93551ef15f403a374ed4d6fd6cee3eb8de
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 773abc513216e2820124739c351ddf1193b702a88565b3041f6d589990d6e76b
[INFO] running `Command { std: "docker" "start" "-a" "773abc513216e2820124739c351ddf1193b702a88565b3041f6d589990d6e76b", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.37
[INFO] [stderr]    Compiling syn v1.0.91
[INFO] [stderr]    Compiling quote v1.0.18
[INFO] [stderr]    Compiling synstructure v0.12.6 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.90s
[INFO] running `Command { std: "docker" "inspect" "773abc513216e2820124739c351ddf1193b702a88565b3041f6d589990d6e76b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "773abc513216e2820124739c351ddf1193b702a88565b3041f6d589990d6e76b", kill_on_drop: false }`
[INFO] [stdout] 773abc513216e2820124739c351ddf1193b702a88565b3041f6d589990d6e76b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ce090439aad622a0d6a76fc9434f3f6578f86b74850ea980431ada9027238708
[INFO] running `Command { std: "docker" "start" "-a" "ce090439aad622a0d6a76fc9434f3f6578f86b74850ea980431ada9027238708", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling synstructure_test_traits v0.1.0
[INFO] [stderr]    Compiling synstructure v0.12.6 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.30s
[INFO] running `Command { std: "docker" "inspect" "ce090439aad622a0d6a76fc9434f3f6578f86b74850ea980431ada9027238708", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ce090439aad622a0d6a76fc9434f3f6578f86b74850ea980431ada9027238708", kill_on_drop: false }`
[INFO] [stdout] ce090439aad622a0d6a76fc9434f3f6578f86b74850ea980431ada9027238708
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] b96addea1607f048127023c98942f32b18f1e153efc35a48e9c6939cea1a53f7
[INFO] running `Command { std: "docker" "start" "-a" "b96addea1607f048127023c98942f32b18f1e153efc35a48e9c6939cea1a53f7", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/synstructure-3818e4b9556cffe0)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test tests::test_each_enum ... 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] [stderr]    Doc-tests synstructure
[INFO] [stdout] 
[INFO] [stdout] running 42 tests
[INFO] [stdout] test src/lib.rs - Structure::gen_impl (line 2000) ... ignored
[INFO] [stdout] test src/lib.rs - Structure::gen_impl (line 2042) ... ignored
[INFO] [stdout] test src/lib.rs - Structure::gen_impl (line 2055) ... ignored
[INFO] [stdout] test src/lib.rs - (line 10) ... ok
[INFO] [stdout] test src/lib.rs - (line 79) ... ok
[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_macro2-9ffcb17dd2ff4556.rlib --extern quote=/opt/rustwide/target/debug/deps/libquote-1e6c7d494f179647.rlib --extern syn=/opt/rustwide/target/debug/deps/libsyn-43f42c85ad37db51.rlib --extern synstructure=/opt/rustwide/target/debug/deps/libsynstructure-da873d63212030f5.rlib --extern synstructure_test_traits=/opt/rustwide/target/debug/deps/libsynstructure_test_traits-098b9ec3f3a8ebb1.rlib --extern unicode_xid=/opt/rustwide/target/debug/deps/libunicode_xid-d8167d72773bee47.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" "b96addea1607f048127023c98942f32b18f1e153efc35a48e9c6939cea1a53f7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b96addea1607f048127023c98942f32b18f1e153efc35a48e9c6939cea1a53f7", kill_on_drop: false }`
[INFO] [stdout] b96addea1607f048127023c98942f32b18f1e153efc35a48e9c6939cea1a53f7