[INFO] fetching crate synstructure 0.12.6...
[INFO] testing synstructure-0.12.6 against beta-2022-04-10 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 beta-2022-04-10
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "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" "+beta-2022-04-10" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "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-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" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2f3df202d726d5ddf00520d7f07f40b0dddad8b4d02ac0ae76f238c5c63925d7
[INFO] running `Command { std: "docker" "start" "-a" "2f3df202d726d5ddf00520d7f07f40b0dddad8b4d02ac0ae76f238c5c63925d7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2f3df202d726d5ddf00520d7f07f40b0dddad8b4d02ac0ae76f238c5c63925d7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2f3df202d726d5ddf00520d7f07f40b0dddad8b4d02ac0ae76f238c5c63925d7", kill_on_drop: false }`
[INFO] [stdout] 2f3df202d726d5ddf00520d7f07f40b0dddad8b4d02ac0ae76f238c5c63925d7
[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" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 97495a2619d4134a143cfb8f5f3ec705443ae75c0024fc40e1685de3f63606d5
[INFO] running `Command { std: "docker" "start" "-a" "97495a2619d4134a143cfb8f5f3ec705443ae75c0024fc40e1685de3f63606d5", 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 7.41s
[INFO] running `Command { std: "docker" "inspect" "97495a2619d4134a143cfb8f5f3ec705443ae75c0024fc40e1685de3f63606d5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "97495a2619d4134a143cfb8f5f3ec705443ae75c0024fc40e1685de3f63606d5", kill_on_drop: false }`
[INFO] [stdout] 97495a2619d4134a143cfb8f5f3ec705443ae75c0024fc40e1685de3f63606d5
[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" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2c075a9c2200167428fe9ad04599afbfbb152185a127d2b1d05e26e6d201bbb4
[INFO] running `Command { std: "docker" "start" "-a" "2c075a9c2200167428fe9ad04599afbfbb152185a127d2b1d05e26e6d201bbb4", kill_on_drop: false }`
[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 1.21s
[INFO] [stderr]   Executable unittests src/lib.rs (/opt/rustwide/target/debug/deps/synstructure-8b1ed7d2478813a7)
[INFO] running `Command { std: "docker" "inspect" "2c075a9c2200167428fe9ad04599afbfbb152185a127d2b1d05e26e6d201bbb4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2c075a9c2200167428fe9ad04599afbfbb152185a127d2b1d05e26e6d201bbb4", kill_on_drop: false }`
[INFO] [stdout] 2c075a9c2200167428fe9ad04599afbfbb152185a127d2b1d05e26e6d201bbb4
[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" "+beta-2022-04-10" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 2f81d4d359055dba4ec63da69a6251c6fcaf434d35bf8694b53fcb21f843cfe9
[INFO] running `Command { std: "docker" "start" "-a" "2f81d4d359055dba4ec63da69a6251c6fcaf434d35bf8694b53fcb21f843cfe9", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.19s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/synstructure-8b1ed7d2478813a7)
[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] [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_macro2-75d3b8b1535977c2.rlib --extern quote=/opt/rustwide/target/debug/deps/libquote-113ae6a3a37ff4e4.rlib --extern syn=/opt/rustwide/target/debug/deps/libsyn-7ebac89025256463.rlib --extern synstructure=/opt/rustwide/target/debug/deps/libsynstructure-fe12815c373535e5.rlib --extern synstructure_test_traits=/opt/rustwide/target/debug/deps/libsynstructure_test_traits-c13da6f555c94177.rlib --extern unicode_xid=/opt/rustwide/target/debug/deps/libunicode_xid-11d097b41f2e60a4.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" "2f81d4d359055dba4ec63da69a6251c6fcaf434d35bf8694b53fcb21f843cfe9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2f81d4d359055dba4ec63da69a6251c6fcaf434d35bf8694b53fcb21f843cfe9", kill_on_drop: false }`
[INFO] [stdout] 2f81d4d359055dba4ec63da69a6251c6fcaf434d35bf8694b53fcb21f843cfe9