[INFO] cloning repository https://github.com/wangrenjun12/rust-haifa [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/wangrenjun12/rust-haifa" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwangrenjun12%2Frust-haifa", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwangrenjun12%2Frust-haifa'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 3bf33877f125c0bad55ec4ed3e6dd4d72a22bde5 [INFO] documenting wangrenjun12/rust-haifa against 1.61.0 for beta-1.62-rustdoc-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwangrenjun12%2Frust-haifa" "/workspace/builds/worker-30/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-30/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/wangrenjun12/rust-haifa 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 git repo https://github.com/wangrenjun12/rust-haifa [INFO] finished tweaking git repo https://github.com/wangrenjun12/rust-haifa [INFO] tweaked toml for git repo https://github.com/wangrenjun12/rust-haifa written to /workspace/builds/worker-30/source/Cargo.toml [INFO] crate git repo https://github.com/wangrenjun12/rust-haifa already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] warning: profiles for the non root package will be ignored, specify profiles at the workspace root: [INFO] [stderr] package: /workspace/builds/worker-30/source/12_merino_sock5/Cargo.toml [INFO] [stderr] workspace: /workspace/builds/worker-30/source/Cargo.toml [INFO] [stderr] warning: /workspace/builds/worker-30/source/16_macro/Cargo.toml: file found to be present in multiple build targets: /workspace/builds/worker-30/source/16_macro/src/hashmap_macro.rs [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded snafu v0.4.4 [INFO] [stderr] Downloaded snafu-derive v0.4.4 [INFO] [stderr] Downloaded structopt v0.3.26 [INFO] [stderr] Downloaded libc v0.2.114 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-30/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-30/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] 5ae31ebb3f0269996ec5ce35423de5006fdf18668fef0840a1436c7909c7e742 [INFO] running `Command { std: "docker" "start" "-a" "5ae31ebb3f0269996ec5ce35423de5006fdf18668fef0840a1436c7909c7e742", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "5ae31ebb3f0269996ec5ce35423de5006fdf18668fef0840a1436c7909c7e742", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5ae31ebb3f0269996ec5ce35423de5006fdf18668fef0840a1436c7909c7e742", kill_on_drop: false }` [INFO] [stdout] 5ae31ebb3f0269996ec5ce35423de5006fdf18668fef0840a1436c7909c7e742 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-30/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-30/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] 33949cf00d656fa5ce7b12e6045d88e097abd3b3564a334d0f75b05af8fb17f2 [INFO] running `Command { std: "docker" "start" "-a" "33949cf00d656fa5ce7b12e6045d88e097abd3b3564a334d0f75b05af8fb17f2", kill_on_drop: false }` [INFO] [stderr] warning: profiles for the non root package will be ignored, specify profiles at the workspace root: [INFO] [stderr] package: /opt/rustwide/workdir/12_merino_sock5/Cargo.toml [INFO] [stderr] workspace: /opt/rustwide/workdir/Cargo.toml [INFO] [stderr] warning: /opt/rustwide/workdir/16_macro/Cargo.toml: file found to be present in multiple build targets: /opt/rustwide/workdir/16_macro/src/hashmap_macro.rs [INFO] [stderr] Compiling syn v1.0.86 [INFO] [stderr] Compiling libc v0.2.114 [INFO] [stderr] Compiling autocfg v1.0.1 [INFO] [stderr] Compiling unicode-segmentation v1.8.0 [INFO] [stderr] Checking vec_map v0.8.2 [INFO] [stderr] Checking strsim v0.8.0 [INFO] [stderr] Compiling futures-core v0.3.19 [INFO] [stderr] Compiling futures-channel v0.3.19 [INFO] [stderr] Compiling futures-task v0.3.19 [INFO] [stderr] Checking futures-sink v0.3.19 [INFO] [stderr] Compiling futures-util v0.3.19 [INFO] [stderr] Compiling parking_lot_core v0.8.5 [INFO] [stderr] Compiling proc-macro2 v0.4.30 [INFO] [stderr] Compiling unicode-xid v0.1.0 [INFO] [stderr] Checking futures-io v0.3.19 [INFO] [stderr] Compiling serde v1.0.135 [INFO] [stderr] Compiling syn v0.15.44 [INFO] [stderr] Compiling cc v1.0.72 [INFO] [stderr] Checking once_cell v1.9.0 [INFO] [stderr] Checking gimli v0.26.1 [INFO] [stderr] Checking quick-error v1.2.3 [INFO] [stderr] Compiling doc-comment v0.3.3 [INFO] [stderr] Checking termcolor v1.1.2 [INFO] [stderr] Checking hashbrown v0.11.2 [INFO] [stderr] Checking regex-automata v0.1.10 [INFO] [stderr] Compiling heck v0.4.0 [INFO] [stderr] Compiling serde_derive v1.0.135 [INFO] [stderr] Checking strsim v0.10.0 [INFO] [stderr] Checking itoa v0.4.8 [INFO] [stderr] Checking ryu v1.0.9 [INFO] [stderr] Checking textwrap v0.14.2 [INFO] [stderr] Checking say_bye v0.1.0 (/opt/rustwide/workdir/13_cargo_01) [INFO] [stderr] Documenting iterators v0.1.0 (/opt/rustwide/workdir/06_iterators) [INFO] [stderr] Documenting convert v0.1.0 (/opt/rustwide/workdir/10_convert) [INFO] [stderr] Documenting string_using v0.1.0 (/opt/rustwide/workdir/02_string) [INFO] [stderr] Documenting errors v0.1.0 (/opt/rustwide/workdir/08_errors) [INFO] [stderr] Documenting std_using v0.1.0 (/opt/rustwide/workdir/01_std_using) [INFO] [stderr] Documenting sp v0.1.0 (/opt/rustwide/workdir/22_smart_pointer) [INFO] [stderr] Documenting closures v0.1.0 (/opt/rustwide/workdir/04_closure) [INFO] [stderr] Documenting static_server v0.1.0 (/opt/rustwide/workdir/11_static_server) [INFO] [stderr] Documenting collection_1 v0.1.0 (/opt/rustwide/workdir/21_collection) [INFO] [stderr] Documenting macro_example v0.1.0 (/opt/rustwide/workdir/16_macro) [INFO] [stderr] Documenting say_bye v0.1.0 (/opt/rustwide/workdir/13_cargo_01) [INFO] [stderr] Documenting std_mic v0.1.0 (/opt/rustwide/workdir/09_std_mic) [INFO] [stderr] Documenting io_test v0.1.0 (/opt/rustwide/workdir/07_io) [INFO] [stderr] Documenting traits v0.1.0 (/opt/rustwide/workdir/05_traits) [INFO] [stderr] Documenting arrays v0.1.0 (/opt/rustwide/workdir/03_array_vec_slice) [INFO] [stderr] Compiling proc-macro2 v1.0.36 [INFO] [stderr] Compiling memchr v2.4.1 [INFO] [stderr] Compiling proc-macro-error-attr v1.0.4 [INFO] [stderr] Compiling proc-macro-error v1.0.4 [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Compiling log v0.4.14 [INFO] [stderr] Checking instant v0.1.12 [INFO] [stderr] Checking lock_api v0.4.5 [INFO] [stderr] Compiling nom v7.1.0 [INFO] [stderr] Checking humantime v1.3.0 [INFO] [stderr] Compiling heck v0.3.3 [INFO] [stderr] Compiling num-traits v0.2.14 [INFO] [stderr] Compiling num-integer v0.1.44 [INFO] [stderr] Compiling miniz_oxide v0.4.4 [INFO] [stderr] Compiling indexmap v1.8.0 [INFO] [stderr] error: could not document `std_using` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `rustdoc --edition=2021 --crate-type bin --crate-name std_using 01_std_using/src/main.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=1de61fb90cabd1b4 -L dependency=/opt/rustwide/target/debug/deps --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 `io_test` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `rustdoc --edition=2021 --crate-type bin --crate-name io_1 07_io/src/io_1.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=c9580c5f706edbce -L dependency=/opt/rustwide/target/debug/deps --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill) [INFO] [stderr] error: could not document `convert` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `rustdoc --edition=2021 --crate-type bin --crate-name asref_1 10_convert/src/asref_1.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=93ed5257f2525089 -L dependency=/opt/rustwide/target/debug/deps --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill) [INFO] [stderr] error: could not document `convert` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `rustdoc --edition=2021 --crate-type bin --crate-name all_convert 10_convert/src/all_convert.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=08e3ca938fc74199 -L dependency=/opt/rustwide/target/debug/deps --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill) [INFO] [stderr] error: could not compile `heck` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `rustc --crate-name heck --edition=2018 /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/heck-0.4.0/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type lib --emit=dep-info,metadata,link -C embed-bitcode=no -C debuginfo=2 --cfg 'feature="default"' -C metadata=101bfbbdccd014e6 -C extra-filename=-101bfbbdccd014e6 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --cap-lints allow` (signal: 9, SIGKILL: kill) [INFO] [stderr] error: could not document `arrays` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `rustdoc --edition=2021 --crate-type bin --crate-name arrays 03_array_vec_slice/src/arrays.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=770f95e477fc225d -L dependency=/opt/rustwide/target/debug/deps --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill) [INFO] [stderr] error: could not compile `cc` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `rustc --crate-name cc --edition=2018 /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/cc-1.0.72/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type lib --emit=dep-info,metadata,link -C embed-bitcode=no -C debuginfo=2 -C metadata=63eda2470f4ba7a6 -C extra-filename=-63eda2470f4ba7a6 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --cap-lints allow` (signal: 9, SIGKILL: kill) [INFO] [stderr] error: could not document `sp` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `rustdoc --edition=2021 --crate-type bin --crate-name box 22_smart_pointer/src/box.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=7387cedfe225f0cd -L dependency=/opt/rustwide/target/debug/deps --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill) [INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel [INFO] [stdout] --> 04_closure/src/simulate_closure.rs:2:1 [INFO] [stdout] | [INFO] [stdout] 2 | #![feature(unboxed_closures,fn_traits)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not document `convert` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `rustdoc --edition=2021 --crate-type bin --crate-name array_1 10_convert/src/array_1.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=04e81ef9170a6b97 -L dependency=/opt/rustwide/target/debug/deps --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill) [INFO] [stderr] error: could not document `static_server` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `rustdoc --edition=2021 --crate-type bin --crate-name static_server 11_static_server/src/http_server.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=db31155c268a86a1 -L dependency=/opt/rustwide/target/debug/deps --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill) [INFO] [stderr] error: could not document `macro_example` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `rustdoc --edition=2021 --crate-type bin --crate-name macro_2 16_macro/src/macro_2.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=82a08dd9d562ca40 -L dependency=/opt/rustwide/target/debug/deps --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill) [INFO] [stderr] error: could not document `closures` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `rustdoc --edition=2021 --crate-type bin --crate-name fn_counter 04_closure/src/fn_counter.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=eb154d9ba8bc24c0 -L dependency=/opt/rustwide/target/debug/deps --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill) [INFO] [stderr] error: could not document `convert` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `rustdoc --edition=2021 --crate-type bin --crate-name into_1 10_convert/src/into_1.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=36c4df7c4d852010 -L dependency=/opt/rustwide/target/debug/deps --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill) [INFO] [stderr] error: could not document `std_using` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `rustdoc --edition=2021 --crate-type bin --crate-name rc 01_std_using/src/rc.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=2753d83bce54847f -L dependency=/opt/rustwide/target/debug/deps --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill) [INFO] [stderr] error: could not document `iterators` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `rustdoc --edition=2021 --crate-type bin --crate-name iterators_01 06_iterators/src/iterators_01.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=d2aff33e39e872e0 -L dependency=/opt/rustwide/target/debug/deps --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill) [INFO] [stderr] error: could not document `sp` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `rustdoc --edition=2021 --crate-type bin --crate-name cellv2 22_smart_pointer/src/CellV2.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=fc9eefa0a4413faa -L dependency=/opt/rustwide/target/debug/deps --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill) [INFO] [stderr] error: could not document `collection_1` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `rustdoc --edition=2021 --crate-type bin --crate-name hashmap 21_collection/src/hashmap.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=e1c26f7f35fc5346 -L dependency=/opt/rustwide/target/debug/deps --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill) [INFO] [stderr] error: could not document `closures` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `rustdoc --edition=2021 --crate-type bin --crate-name closure_size 04_closure/src/closure_size.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=c8e9363aec6debb3 -L dependency=/opt/rustwide/target/debug/deps --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill) [INFO] [stderr] error: could not document `iterators` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `rustdoc --edition=2021 --crate-type bin --crate-name counter_iterator 06_iterators/src/counter_iterator.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=e7f9818e565bf66f -L dependency=/opt/rustwide/target/debug/deps --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill) [INFO] [stdout] error: Compilation failed, aborting rustdoc [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not document `string_using` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `rustdoc --edition=2021 --crate-type bin --crate-name string_using 02_string/src/string1.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=c9a1556c988c21b4 -L dependency=/opt/rustwide/target/debug/deps --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill) [INFO] [stdout] error: aborting due to 2 previous errors [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0554`. [INFO] [stdout] [INFO] [stderr] error: could not document `closures` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `rustdoc --edition=2021 --crate-type bin --crate-name simulate_closure 04_closure/src/simulate_closure.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=dae4d7efcda4f762 -L dependency=/opt/rustwide/target/debug/deps --cap-lints=warn --crate-version 0.1.0` (exit status: 1) [INFO] [stderr] error: could not document `std_using` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `rustdoc --edition=2021 --crate-type bin --crate-name panic_1 01_std_using/src/panic_1.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=43b94cb1a2d77e2e -L dependency=/opt/rustwide/target/debug/deps --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill) [INFO] [stderr] error: could not document `convert` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `rustdoc --edition=2021 --crate-type bin --crate-name str_1 10_convert/src/str_1.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=fced41ccea2caf91 -L dependency=/opt/rustwide/target/debug/deps --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill) [INFO] [stderr] error: could not document `static_server` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `rustdoc --edition=2021 --crate-type bin --crate-name static_server_2 11_static_server/src/http_server_2.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=e4551bf573d88461 -L dependency=/opt/rustwide/target/debug/deps --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill) [INFO] [stderr] error: could not document `say_bye` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `rustdoc --edition=2021 --crate-type dylib --crate-type staticlib --crate-name say_bye 13_cargo_01/src/lib.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=d37bc5190d92b9c5 -L dependency=/opt/rustwide/target/debug/deps --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill) [INFO] [stderr] error: could not document `closures` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `rustdoc --edition=2021 --crate-type bin --crate-name thread_spawn 04_closure/src/thread_spawn.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=7ddc531bb9165a61 -L dependency=/opt/rustwide/target/debug/deps --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill) [INFO] [stderr] error: could not document `errors` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `rustdoc --edition=2021 --crate-type bin --crate-name errors 08_errors/src/errors.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=974f9e7f8fb32c3a -L dependency=/opt/rustwide/target/debug/deps --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill) [INFO] [stderr] error: could not document `convert` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `rustdoc --edition=2021 --crate-type bin --crate-name iterator_1 10_convert/src/iterator_1.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=52cd74791b09426a -L dependency=/opt/rustwide/target/debug/deps --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill) [INFO] [stderr] error: could not document `sp` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `rustdoc --edition=2021 --crate-type bin --crate-name cell 22_smart_pointer/src/cell.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=9ebdfa0d6d913b99 -L dependency=/opt/rustwide/target/debug/deps --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill) [INFO] [stderr] error: could not document `sp` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `rustdoc --edition=2021 --crate-type bin --crate-name sp_1 22_smart_pointer/src/sp_1.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=eccbbe7979848ed0 -L dependency=/opt/rustwide/target/debug/deps --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill) [INFO] [stderr] error: could not document `traits` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `rustdoc --edition=2021 --crate-type bin --crate-name trait_main 05_traits/src/main.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=191936d821901309 -L dependency=/opt/rustwide/target/debug/deps --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill) [INFO] [stderr] error: could not document `arrays` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `rustdoc --edition=2021 --crate-type bin --crate-name vec_1 03_array_vec_slice/src/vec_1.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=a83184270f941f32 -L dependency=/opt/rustwide/target/debug/deps --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill) [INFO] [stderr] error: could not document `macro_example` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `rustdoc --edition=2021 --crate-type bin --crate-name macro_1 16_macro/src/macro_1.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=1b0d20a83ee09cc6 -L dependency=/opt/rustwide/target/debug/deps --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill) [INFO] [stderr] error: could not document `arrays` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `rustdoc --edition=2021 --crate-type bin --crate-name slice_1 03_array_vec_slice/src/slice_1.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=e266633dff180acd -L dependency=/opt/rustwide/target/debug/deps --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill) [INFO] running `Command { std: "docker" "inspect" "33949cf00d656fa5ce7b12e6045d88e097abd3b3564a334d0f75b05af8fb17f2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "33949cf00d656fa5ce7b12e6045d88e097abd3b3564a334d0f75b05af8fb17f2", kill_on_drop: false }` [INFO] [stdout] 33949cf00d656fa5ce7b12e6045d88e097abd3b3564a334d0f75b05af8fb17f2