[INFO] fetching crate synstructure 0.12.4...
[INFO] testing synstructure-0.12.4 against master#99e3aef02079e9c10583638520cd0c134dc3a01d for pr-85530
[INFO] extracting crate synstructure 0.12.4 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate synstructure 0.12.4 on toolchain 99e3aef02079e9c10583638520cd0c134dc3a01d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "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-5/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 38375bbf76481295349dbce8bb960dbe08a60fe19b738bc0682603ceae50358d
[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" "38375bbf76481295349dbce8bb960dbe08a60fe19b738bc0682603ceae50358d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "38375bbf76481295349dbce8bb960dbe08a60fe19b738bc0682603ceae50358d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "38375bbf76481295349dbce8bb960dbe08a60fe19b738bc0682603ceae50358d", kill_on_drop: false }`
[INFO] [stdout] 38375bbf76481295349dbce8bb960dbe08a60fe19b738bc0682603ceae50358d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a08b64c3ea3c0e7e1b5e7e3be853a507c677cd1d6f30c8069352638f88b62f16
[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" "a08b64c3ea3c0e7e1b5e7e3be853a507c677cd1d6f30c8069352638f88b62f16", kill_on_drop: false }`
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.72
[INFO] [stderr]    Compiling proc-macro2 v1.0.27
[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 13.92s
[INFO] running `Command { std: "docker" "inspect" "a08b64c3ea3c0e7e1b5e7e3be853a507c677cd1d6f30c8069352638f88b62f16", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a08b64c3ea3c0e7e1b5e7e3be853a507c677cd1d6f30c8069352638f88b62f16", kill_on_drop: false }`
[INFO] [stdout] a08b64c3ea3c0e7e1b5e7e3be853a507c677cd1d6f30c8069352638f88b62f16
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "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] 4c18c983d27c685f4f57fb61327c8cabeeb9c4cac0bb8a70f75e0bde04b68b41
[INFO] running `Command { std: "docker" "start" "-a" "4c18c983d27c685f4f57fb61327c8cabeeb9c4cac0bb8a70f75e0bde04b68b41", 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 1.88s
[INFO] running `Command { std: "docker" "inspect" "4c18c983d27c685f4f57fb61327c8cabeeb9c4cac0bb8a70f75e0bde04b68b41", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4c18c983d27c685f4f57fb61327c8cabeeb9c4cac0bb8a70f75e0bde04b68b41", kill_on_drop: false }`
[INFO] [stdout] 4c18c983d27c685f4f57fb61327c8cabeeb9c4cac0bb8a70f75e0bde04b68b41
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 3faf39b685f76345e3bfbc1680f160d35019cda0bb64dde06323ddc2b2b3a2d3
[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" "3faf39b685f76345e3bfbc1680f160d35019cda0bb64dde06323ddc2b2b3a2d3", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/synstructure-63ce23f0fcd257c0)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests synstructure
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[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 - (line 10) ... ok
[INFO] [stdout] test src/lib.rs - (line 79) ... ok
[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] [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-db72e2595f0b4d31.rlib --extern quote=/opt/rustwide/target/debug/deps/libquote-5a0284932d3145c7.rlib --extern syn=/opt/rustwide/target/debug/deps/libsyn-4b44f893011d732d.rlib --extern synstructure=/opt/rustwide/target/debug/deps/libsynstructure-849d82088dba679a.rlib --extern synstructure_test_traits=/opt/rustwide/target/debug/deps/libsynstructure_test_traits-b44619ba9c6401ff.rlib --extern unicode_xid=/opt/rustwide/target/debug/deps/libunicode_xid-44670c754cca1080.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" "3faf39b685f76345e3bfbc1680f160d35019cda0bb64dde06323ddc2b2b3a2d3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3faf39b685f76345e3bfbc1680f160d35019cda0bb64dde06323ddc2b2b3a2d3", kill_on_drop: false }`
[INFO] [stdout] 3faf39b685f76345e3bfbc1680f160d35019cda0bb64dde06323ddc2b2b3a2d3