[INFO] fetching crate basic-tutorial 0.1.0...
[INFO] documenting basic-tutorial-0.1.0 against 1.61.0 for beta-1.62-rustdoc-1
[INFO] extracting crate basic-tutorial 0.1.0 into /workspace/builds/worker-19/source
[INFO] validating manifest of crates.io crate basic-tutorial 0.1.0 on toolchain 1.61.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate basic-tutorial 0.1.0
[INFO] finished tweaking crates.io crate basic-tutorial 0.1.0
[INFO] tweaked toml for crates.io crate basic-tutorial 0.1.0 written to /workspace/builds/worker-19/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+1.61.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 97c4b82c4c93d8296c81b2acf977f5aa22cd066ce8e1a8f8b1ee6be685afeb01
[INFO] running `Command { std: "docker" "start" "-a" "97c4b82c4c93d8296c81b2acf977f5aa22cd066ce8e1a8f8b1ee6be685afeb01", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "97c4b82c4c93d8296c81b2acf977f5aa22cd066ce8e1a8f8b1ee6be685afeb01", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "97c4b82c4c93d8296c81b2acf977f5aa22cd066ce8e1a8f8b1ee6be685afeb01", kill_on_drop: false }`
[INFO] [stdout] 97c4b82c4c93d8296c81b2acf977f5aa22cd066ce8e1a8f8b1ee6be685afeb01
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/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" "RUSTDOCFLAGS=--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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+1.61.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5ef8d0bf1bbf6e49f01ce6aea03dd8609fa083b02c2dc652df51dfdfe9adb1fd
[INFO] running `Command { std: "docker" "start" "-a" "5ef8d0bf1bbf6e49f01ce6aea03dd8609fa083b02c2dc652df51dfdfe9adb1fd", kill_on_drop: false }`
[INFO] [stderr]  Documenting basic-tutorial v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking basic-tutorial v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] error: could not document `basic-tutorial`
[INFO] [stdout] warning: unnecessary braces around block return value
[INFO] [stdout]   --> src/function_test.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 |     { x + y }
[INFO] [stdout]    |     ^^     ^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_braces)]` on by default
[INFO] [stdout] help: remove these braces
[INFO] [stdout]    |
[INFO] [stdout] 13 -     { x + y }
[INFO] [stdout] 13 +     x + y
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --crate-type bin --crate-name enum_test src/enum_test.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=d92a24c748335973 -L dependency=/opt/rustwide/target/debug/deps --extern basic_tutorial=/opt/rustwide/target/debug/deps/libbasic_tutorial-35162e299d9105f9.rmeta --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not document `basic-tutorial`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --crate-type bin --crate-name traits_test src/traits_test.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=45254cef5eed6dfd -L dependency=/opt/rustwide/target/debug/deps --extern basic_tutorial=/opt/rustwide/target/debug/deps/libbasic_tutorial-35162e299d9105f9.rmeta --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill)
[INFO] [stderr] error: could not document `basic-tutorial`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --crate-type bin --crate-name struct_test src/struct_test.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=0a7396cfde83b7a0 -L dependency=/opt/rustwide/target/debug/deps --extern basic_tutorial=/opt/rustwide/target/debug/deps/libbasic_tutorial-35162e299d9105f9.rmeta --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill)
[INFO] [stderr] error: could not document `basic-tutorial`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --crate-type bin --crate-name map_test src/map_test.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=027bae1f488f1f24 -L dependency=/opt/rustwide/target/debug/deps --extern basic_tutorial=/opt/rustwide/target/debug/deps/libbasic_tutorial-35162e299d9105f9.rmeta --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill)
[INFO] [stderr] error: could not document `basic-tutorial`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --crate-type bin --crate-name panic_test src/panic_test.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=908fd9303f05be3b -L dependency=/opt/rustwide/target/debug/deps --extern basic_tutorial=/opt/rustwide/target/debug/deps/libbasic_tutorial-35162e299d9105f9.rmeta --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill)
[INFO] [stderr] error: could not document `basic-tutorial`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --crate-type bin --crate-name match_test src/match_test.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=99ee12bcb15e7d9a -L dependency=/opt/rustwide/target/debug/deps --extern basic_tutorial=/opt/rustwide/target/debug/deps/libbasic_tutorial-35162e299d9105f9.rmeta --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill)
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "5ef8d0bf1bbf6e49f01ce6aea03dd8609fa083b02c2dc652df51dfdfe9adb1fd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5ef8d0bf1bbf6e49f01ce6aea03dd8609fa083b02c2dc652df51dfdfe9adb1fd", kill_on_drop: false }`
[INFO] [stdout] 5ef8d0bf1bbf6e49f01ce6aea03dd8609fa083b02c2dc652df51dfdfe9adb1fd