[INFO] cloning repository https://github.com/laruh/learn_rust_by_building_app
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/laruh/learn_rust_by_building_app" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flaruh%2Flearn_rust_by_building_app", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flaruh%2Flearn_rust_by_building_app'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8a16bf95c2c7b6fb3f4c1a5d864c3234f150ba71
[INFO] documenting laruh/learn_rust_by_building_app 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%2Flaruh%2Flearn_rust_by_building_app" "/workspace/builds/worker-1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/laruh/learn_rust_by_building_app 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] removed /workspace/builds/worker-1/source/rust-toolchain.toml
[INFO] started tweaking git repo https://github.com/laruh/learn_rust_by_building_app
[INFO] finished tweaking git repo https://github.com/laruh/learn_rust_by_building_app
[INFO] tweaked toml for git repo https://github.com/laruh/learn_rust_by_building_app written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/laruh/learn_rust_by_building_app 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]     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 crossbeam-channel v0.5.4
[INFO] [stderr]   Downloaded thiserror v1.0.31
[INFO] [stderr]   Downloaded colored v2.0.0
[INFO] [stderr]   Downloaded crossbeam-utils v0.8.8
[INFO] [stderr]   Downloaded syn v1.0.94
[INFO] [stderr]   Downloaded libc v0.2.125
[INFO] [stderr]   Downloaded num-integer v0.1.45
[INFO] [stderr]   Downloaded proc-macro2 v1.0.38
[INFO] [stderr]   Downloaded unicode-xid v0.2.3
[INFO] [stderr]   Downloaded num-traits v0.2.15
[INFO] [stderr]   Downloaded thiserror-impl v1.0.31
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] 942ba30c3504f2dea25474609c3956da4a51b4113601c4c8e7b4c79f899174bf
[INFO] running `Command { std: "docker" "start" "-a" "942ba30c3504f2dea25474609c3956da4a51b4113601c4c8e7b4c79f899174bf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "942ba30c3504f2dea25474609c3956da4a51b4113601c4c8e7b4c79f899174bf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "942ba30c3504f2dea25474609c3956da4a51b4113601c4c8e7b4c79f899174bf", kill_on_drop: false }`
[INFO] [stdout] 942ba30c3504f2dea25474609c3956da4a51b4113601c4c8e7b4c79f899174bf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] 535bf1e7c251b33ae40ef16029e7db1a3a984771d9f926d819355e138d632920
[INFO] running `Command { std: "docker" "start" "-a" "535bf1e7c251b33ae40ef16029e7db1a3a984771d9f926d819355e138d632920", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.38
[INFO] [stderr]    Compiling libc v0.2.125
[INFO] [stderr]    Compiling unicode-xid v0.2.3
[INFO] [stderr]    Compiling syn v1.0.94
[INFO] [stderr]    Compiling crossbeam-utils v0.8.8
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]     Checking crossbeam-channel v0.5.4
[INFO] [stderr]    Compiling quote v1.0.18
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]     Checking colored v2.0.0
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]    Compiling thiserror-impl v1.0.31
[INFO] [stderr]     Checking thiserror v1.0.31
[INFO] [stderr]     Checking learn_rust_by_building_app v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]  Documenting learn_rust_by_building_app v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] error: could not document `learn_rust_by_building_app`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2021 --crate-type bin --crate-name genericts_functions src/bin/genericts_functions.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=711821df138c942a -L dependency=/opt/rustwide/target/debug/deps --extern chrono=/opt/rustwide/target/debug/deps/libchrono-010c1d53553e28bf.rmeta --extern colored=/opt/rustwide/target/debug/deps/libcolored-2fad3d960e01ea5f.rmeta --extern crossbeam_channel=/opt/rustwide/target/debug/deps/libcrossbeam_channel-0828918ca0bde37b.rmeta --extern activity=/opt/rustwide/target/debug/deps/libactivity-00d0251a9cdfaceb.rmeta --extern thiserror=/opt/rustwide/target/debug/deps/libthiserror-e23d21b2308c6e6d.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 `learn_rust_by_building_app`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2021 --crate-type bin --crate-name interactive_bill_manager src/bin/interactive_bill_manager.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=feaf7a755efee01b -L dependency=/opt/rustwide/target/debug/deps --extern chrono=/opt/rustwide/target/debug/deps/libchrono-010c1d53553e28bf.rmeta --extern colored=/opt/rustwide/target/debug/deps/libcolored-2fad3d960e01ea5f.rmeta --extern crossbeam_channel=/opt/rustwide/target/debug/deps/libcrossbeam_channel-0828918ca0bde37b.rmeta --extern activity=/opt/rustwide/target/debug/deps/libactivity-00d0251a9cdfaceb.rmeta --extern thiserror=/opt/rustwide/target/debug/deps/libthiserror-e23d21b2308c6e6d.rmeta --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill)
[INFO] [stderr] error: could not document `learn_rust_by_building_app`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2021 --crate-type bin --crate-name trait_objects src/bin/trait_objects.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=ab3470a386344bc0 -L dependency=/opt/rustwide/target/debug/deps --extern chrono=/opt/rustwide/target/debug/deps/libchrono-010c1d53553e28bf.rmeta --extern colored=/opt/rustwide/target/debug/deps/libcolored-2fad3d960e01ea5f.rmeta --extern crossbeam_channel=/opt/rustwide/target/debug/deps/libcrossbeam_channel-0828918ca0bde37b.rmeta --extern activity=/opt/rustwide/target/debug/deps/libactivity-00d0251a9cdfaceb.rmeta --extern thiserror=/opt/rustwide/target/debug/deps/libthiserror-e23d21b2308c6e6d.rmeta --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill)
[INFO] [stderr] error: could not document `learn_rust_by_building_app`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2021 --crate-type bin --crate-name result src/bin/result.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=744d2a254ff3c38f -L dependency=/opt/rustwide/target/debug/deps --extern chrono=/opt/rustwide/target/debug/deps/libchrono-010c1d53553e28bf.rmeta --extern colored=/opt/rustwide/target/debug/deps/libcolored-2fad3d960e01ea5f.rmeta --extern crossbeam_channel=/opt/rustwide/target/debug/deps/libcrossbeam_channel-0828918ca0bde37b.rmeta --extern activity=/opt/rustwide/target/debug/deps/libactivity-00d0251a9cdfaceb.rmeta --extern thiserror=/opt/rustwide/target/debug/deps/libthiserror-e23d21b2308c6e6d.rmeta --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill)
[INFO] [stderr] error: could not document `learn_rust_by_building_app`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2021 --crate-type bin --crate-name map src/bin/map.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=44b1036e34da79c6 -L dependency=/opt/rustwide/target/debug/deps --extern chrono=/opt/rustwide/target/debug/deps/libchrono-010c1d53553e28bf.rmeta --extern colored=/opt/rustwide/target/debug/deps/libcolored-2fad3d960e01ea5f.rmeta --extern crossbeam_channel=/opt/rustwide/target/debug/deps/libcrossbeam_channel-0828918ca0bde37b.rmeta --extern activity=/opt/rustwide/target/debug/deps/libactivity-00d0251a9cdfaceb.rmeta --extern thiserror=/opt/rustwide/target/debug/deps/libthiserror-e23d21b2308c6e6d.rmeta --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill)
[INFO] [stderr] error: could not document `learn_rust_by_building_app`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2021 --crate-type bin --crate-name smart_pointers_refcell src/bin/smart_pointers_refcell.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=90cdba77670cfd80 -L dependency=/opt/rustwide/target/debug/deps --extern chrono=/opt/rustwide/target/debug/deps/libchrono-010c1d53553e28bf.rmeta --extern colored=/opt/rustwide/target/debug/deps/libcolored-2fad3d960e01ea5f.rmeta --extern crossbeam_channel=/opt/rustwide/target/debug/deps/libcrossbeam_channel-0828918ca0bde37b.rmeta --extern activity=/opt/rustwide/target/debug/deps/libactivity-00d0251a9cdfaceb.rmeta --extern thiserror=/opt/rustwide/target/debug/deps/libthiserror-e23d21b2308c6e6d.rmeta --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill)
[INFO] [stderr] error: could not document `learn_rust_by_building_app`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2021 --crate-type bin --crate-name channels src/bin/channels.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=c6d183f9ceab7302 -L dependency=/opt/rustwide/target/debug/deps --extern chrono=/opt/rustwide/target/debug/deps/libchrono-010c1d53553e28bf.rmeta --extern colored=/opt/rustwide/target/debug/deps/libcolored-2fad3d960e01ea5f.rmeta --extern crossbeam_channel=/opt/rustwide/target/debug/deps/libcrossbeam_channel-0828918ca0bde37b.rmeta --extern activity=/opt/rustwide/target/debug/deps/libactivity-00d0251a9cdfaceb.rmeta --extern thiserror=/opt/rustwide/target/debug/deps/libthiserror-e23d21b2308c6e6d.rmeta --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill)
[INFO] [stderr] error: could not document `learn_rust_by_building_app`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2021 --crate-type bin --crate-name hashmap src/bin/hashmap.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=b746371b85b9c191 -L dependency=/opt/rustwide/target/debug/deps --extern chrono=/opt/rustwide/target/debug/deps/libchrono-010c1d53553e28bf.rmeta --extern colored=/opt/rustwide/target/debug/deps/libcolored-2fad3d960e01ea5f.rmeta --extern crossbeam_channel=/opt/rustwide/target/debug/deps/libcrossbeam_channel-0828918ca0bde37b.rmeta --extern activity=/opt/rustwide/target/debug/deps/libactivity-00d0251a9cdfaceb.rmeta --extern thiserror=/opt/rustwide/target/debug/deps/libthiserror-e23d21b2308c6e6d.rmeta --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill)
[INFO] [stderr] error: could not document `learn_rust_by_building_app`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2021 --crate-type bin --crate-name imp src/bin/imp.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=ffb90d57f24ec339 -L dependency=/opt/rustwide/target/debug/deps --extern chrono=/opt/rustwide/target/debug/deps/libchrono-010c1d53553e28bf.rmeta --extern colored=/opt/rustwide/target/debug/deps/libcolored-2fad3d960e01ea5f.rmeta --extern crossbeam_channel=/opt/rustwide/target/debug/deps/libcrossbeam_channel-0828918ca0bde37b.rmeta --extern activity=/opt/rustwide/target/debug/deps/libactivity-00d0251a9cdfaceb.rmeta --extern thiserror=/opt/rustwide/target/debug/deps/libthiserror-e23d21b2308c6e6d.rmeta --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill)
[INFO] [stderr] error: could not document `learn_rust_by_building_app`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2021 --crate-type bin --crate-name tryfrom_tryinto src/bin/tryfrom_tryinto.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=4fff79d6cc1c9888 -L dependency=/opt/rustwide/target/debug/deps --extern chrono=/opt/rustwide/target/debug/deps/libchrono-010c1d53553e28bf.rmeta --extern colored=/opt/rustwide/target/debug/deps/libcolored-2fad3d960e01ea5f.rmeta --extern crossbeam_channel=/opt/rustwide/target/debug/deps/libcrossbeam_channel-0828918ca0bde37b.rmeta --extern activity=/opt/rustwide/target/debug/deps/libactivity-00d0251a9cdfaceb.rmeta --extern thiserror=/opt/rustwide/target/debug/deps/libthiserror-e23d21b2308c6e6d.rmeta --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill)
[INFO] [stderr] error: could not document `learn_rust_by_building_app`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2021 --crate-type bin --crate-name match_guards_binding src/bin/match_guards_binding.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=57863e846d3dcad9 -L dependency=/opt/rustwide/target/debug/deps --extern chrono=/opt/rustwide/target/debug/deps/libchrono-010c1d53553e28bf.rmeta --extern colored=/opt/rustwide/target/debug/deps/libcolored-2fad3d960e01ea5f.rmeta --extern crossbeam_channel=/opt/rustwide/target/debug/deps/libcrossbeam_channel-0828918ca0bde37b.rmeta --extern activity=/opt/rustwide/target/debug/deps/libactivity-00d0251a9cdfaceb.rmeta --extern thiserror=/opt/rustwide/target/debug/deps/libthiserror-e23d21b2308c6e6d.rmeta --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill)
[INFO] [stderr] error: could not document `learn_rust_by_building_app`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2021 --crate-type bin --crate-name traits src/bin/traits.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=ad167edebbbf3bf7 -L dependency=/opt/rustwide/target/debug/deps --extern chrono=/opt/rustwide/target/debug/deps/libchrono-010c1d53553e28bf.rmeta --extern colored=/opt/rustwide/target/debug/deps/libcolored-2fad3d960e01ea5f.rmeta --extern crossbeam_channel=/opt/rustwide/target/debug/deps/libcrossbeam_channel-0828918ca0bde37b.rmeta --extern activity=/opt/rustwide/target/debug/deps/libactivity-00d0251a9cdfaceb.rmeta --extern thiserror=/opt/rustwide/target/debug/deps/libthiserror-e23d21b2308c6e6d.rmeta --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill)
[INFO] [stderr] error: could not document `learn_rust_by_building_app`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2021 --crate-type bin --crate-name advanced_match src/bin/advanced_match.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=4756a698e951ab9a -L dependency=/opt/rustwide/target/debug/deps --extern chrono=/opt/rustwide/target/debug/deps/libchrono-010c1d53553e28bf.rmeta --extern colored=/opt/rustwide/target/debug/deps/libcolored-2fad3d960e01ea5f.rmeta --extern crossbeam_channel=/opt/rustwide/target/debug/deps/libcrossbeam_channel-0828918ca0bde37b.rmeta --extern activity=/opt/rustwide/target/debug/deps/libactivity-00d0251a9cdfaceb.rmeta --extern thiserror=/opt/rustwide/target/debug/deps/libthiserror-e23d21b2308c6e6d.rmeta --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill)
[INFO] [stderr] error: could not document `learn_rust_by_building_app`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2021 --crate-type bin --crate-name testing src/bin/testing.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=4264d619857b0d8f -L dependency=/opt/rustwide/target/debug/deps --extern chrono=/opt/rustwide/target/debug/deps/libchrono-010c1d53553e28bf.rmeta --extern colored=/opt/rustwide/target/debug/deps/libcolored-2fad3d960e01ea5f.rmeta --extern crossbeam_channel=/opt/rustwide/target/debug/deps/libcrossbeam_channel-0828918ca0bde37b.rmeta --extern activity=/opt/rustwide/target/debug/deps/libactivity-00d0251a9cdfaceb.rmeta --extern thiserror=/opt/rustwide/target/debug/deps/libthiserror-e23d21b2308c6e6d.rmeta --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill)
[INFO] [stderr] error: could not document `learn_rust_by_building_app`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2021 --crate-type bin --crate-name tuples src/bin/tuples.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=3af399d56de08829 -L dependency=/opt/rustwide/target/debug/deps --extern chrono=/opt/rustwide/target/debug/deps/libchrono-010c1d53553e28bf.rmeta --extern colored=/opt/rustwide/target/debug/deps/libcolored-2fad3d960e01ea5f.rmeta --extern crossbeam_channel=/opt/rustwide/target/debug/deps/libcrossbeam_channel-0828918ca0bde37b.rmeta --extern activity=/opt/rustwide/target/debug/deps/libactivity-00d0251a9cdfaceb.rmeta --extern thiserror=/opt/rustwide/target/debug/deps/libthiserror-e23d21b2308c6e6d.rmeta --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill)
[INFO] [stderr] error: could not document `learn_rust_by_building_app`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2021 --crate-type bin --crate-name multithreading src/bin/multithreading.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=e710bc0d2a3139f1 -L dependency=/opt/rustwide/target/debug/deps --extern chrono=/opt/rustwide/target/debug/deps/libchrono-010c1d53553e28bf.rmeta --extern colored=/opt/rustwide/target/debug/deps/libcolored-2fad3d960e01ea5f.rmeta --extern crossbeam_channel=/opt/rustwide/target/debug/deps/libcrossbeam_channel-0828918ca0bde37b.rmeta --extern activity=/opt/rustwide/target/debug/deps/libactivity-00d0251a9cdfaceb.rmeta --extern thiserror=/opt/rustwide/target/debug/deps/libthiserror-e23d21b2308c6e6d.rmeta --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill)
[INFO] [stderr] error: could not document `learn_rust_by_building_app`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2021 --crate-type bin --crate-name question_mark_operator src/bin/question_mark_operator.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=45e9aa52d3fb483c -L dependency=/opt/rustwide/target/debug/deps --extern chrono=/opt/rustwide/target/debug/deps/libchrono-010c1d53553e28bf.rmeta --extern colored=/opt/rustwide/target/debug/deps/libcolored-2fad3d960e01ea5f.rmeta --extern crossbeam_channel=/opt/rustwide/target/debug/deps/libcrossbeam_channel-0828918ca0bde37b.rmeta --extern activity=/opt/rustwide/target/debug/deps/libactivity-00d0251a9cdfaceb.rmeta --extern thiserror=/opt/rustwide/target/debug/deps/libthiserror-e23d21b2308c6e6d.rmeta --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill)
[INFO] [stderr] error: could not document `learn_rust_by_building_app`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2021 --crate-type bin --crate-name iterator src/bin/iterator.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=bf23be5b66be3992 -L dependency=/opt/rustwide/target/debug/deps --extern chrono=/opt/rustwide/target/debug/deps/libchrono-010c1d53553e28bf.rmeta --extern colored=/opt/rustwide/target/debug/deps/libcolored-2fad3d960e01ea5f.rmeta --extern crossbeam_channel=/opt/rustwide/target/debug/deps/libcrossbeam_channel-0828918ca0bde37b.rmeta --extern activity=/opt/rustwide/target/debug/deps/libactivity-00d0251a9cdfaceb.rmeta --extern thiserror=/opt/rustwide/target/debug/deps/libthiserror-e23d21b2308c6e6d.rmeta --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill)
[INFO] [stderr] error: could not document `learn_rust_by_building_app`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2021 --crate-type bin --crate-name strings src/bin/strings.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=126b20a58b0b7622 -L dependency=/opt/rustwide/target/debug/deps --extern chrono=/opt/rustwide/target/debug/deps/libchrono-010c1d53553e28bf.rmeta --extern colored=/opt/rustwide/target/debug/deps/libcolored-2fad3d960e01ea5f.rmeta --extern crossbeam_channel=/opt/rustwide/target/debug/deps/libcrossbeam_channel-0828918ca0bde37b.rmeta --extern activity=/opt/rustwide/target/debug/deps/libactivity-00d0251a9cdfaceb.rmeta --extern thiserror=/opt/rustwide/target/debug/deps/libthiserror-e23d21b2308c6e6d.rmeta --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill)
[INFO] [stderr] error: could not document `learn_rust_by_building_app`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2021 --crate-type bin --crate-name ownership src/bin/ownership.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=fcffc63e9316dfb4 -L dependency=/opt/rustwide/target/debug/deps --extern chrono=/opt/rustwide/target/debug/deps/libchrono-010c1d53553e28bf.rmeta --extern colored=/opt/rustwide/target/debug/deps/libcolored-2fad3d960e01ea5f.rmeta --extern crossbeam_channel=/opt/rustwide/target/debug/deps/libcrossbeam_channel-0828918ca0bde37b.rmeta --extern activity=/opt/rustwide/target/debug/deps/libactivity-00d0251a9cdfaceb.rmeta --extern thiserror=/opt/rustwide/target/debug/deps/libthiserror-e23d21b2308c6e6d.rmeta --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill)
[INFO] [stderr] error: could not document `learn_rust_by_building_app`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2021 --crate-type bin --crate-name option src/bin/option.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=002572cc3be6ea6a -L dependency=/opt/rustwide/target/debug/deps --extern chrono=/opt/rustwide/target/debug/deps/libchrono-010c1d53553e28bf.rmeta --extern colored=/opt/rustwide/target/debug/deps/libcolored-2fad3d960e01ea5f.rmeta --extern crossbeam_channel=/opt/rustwide/target/debug/deps/libcrossbeam_channel-0828918ca0bde37b.rmeta --extern activity=/opt/rustwide/target/debug/deps/libactivity-00d0251a9cdfaceb.rmeta --extern thiserror=/opt/rustwide/target/debug/deps/libthiserror-e23d21b2308c6e6d.rmeta --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill)
[INFO] [stderr] error: could not document `learn_rust_by_building_app`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2021 --crate-type bin --crate-name std src/bin/std.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=8d95b6265179eff6 -L dependency=/opt/rustwide/target/debug/deps --extern chrono=/opt/rustwide/target/debug/deps/libchrono-010c1d53553e28bf.rmeta --extern colored=/opt/rustwide/target/debug/deps/libcolored-2fad3d960e01ea5f.rmeta --extern crossbeam_channel=/opt/rustwide/target/debug/deps/libcrossbeam_channel-0828918ca0bde37b.rmeta --extern activity=/opt/rustwide/target/debug/deps/libactivity-00d0251a9cdfaceb.rmeta --extern thiserror=/opt/rustwide/target/debug/deps/libthiserror-e23d21b2308c6e6d.rmeta --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill)
[INFO] [stderr] error: could not document `learn_rust_by_building_app`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2021 --crate-type bin --crate-name inline_modules src/bin/inline_modules.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=092debe7484aca0f -L dependency=/opt/rustwide/target/debug/deps --extern chrono=/opt/rustwide/target/debug/deps/libchrono-010c1d53553e28bf.rmeta --extern colored=/opt/rustwide/target/debug/deps/libcolored-2fad3d960e01ea5f.rmeta --extern crossbeam_channel=/opt/rustwide/target/debug/deps/libcrossbeam_channel-0828918ca0bde37b.rmeta --extern activity=/opt/rustwide/target/debug/deps/libactivity-00d0251a9cdfaceb.rmeta --extern thiserror=/opt/rustwide/target/debug/deps/libthiserror-e23d21b2308c6e6d.rmeta --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill)
[INFO] [stderr] error: could not document `learn_rust_by_building_app`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2021 --crate-type bin --crate-name new_type_pattern src/bin/new_type_pattern.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=035880ca677ec93f -L dependency=/opt/rustwide/target/debug/deps --extern chrono=/opt/rustwide/target/debug/deps/libchrono-010c1d53553e28bf.rmeta --extern colored=/opt/rustwide/target/debug/deps/libcolored-2fad3d960e01ea5f.rmeta --extern crossbeam_channel=/opt/rustwide/target/debug/deps/libcrossbeam_channel-0828918ca0bde37b.rmeta --extern activity=/opt/rustwide/target/debug/deps/libactivity-00d0251a9cdfaceb.rmeta --extern thiserror=/opt/rustwide/target/debug/deps/libthiserror-e23d21b2308c6e6d.rmeta --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill)
[INFO] [stderr] error: could not document `learn_rust_by_building_app`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2021 --crate-type bin --crate-name generics_structures src/bin/generics_structures.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=0c63f1a5a597b326 -L dependency=/opt/rustwide/target/debug/deps --extern chrono=/opt/rustwide/target/debug/deps/libchrono-010c1d53553e28bf.rmeta --extern colored=/opt/rustwide/target/debug/deps/libcolored-2fad3d960e01ea5f.rmeta --extern crossbeam_channel=/opt/rustwide/target/debug/deps/libcrossbeam_channel-0828918ca0bde37b.rmeta --extern activity=/opt/rustwide/target/debug/deps/libactivity-00d0251a9cdfaceb.rmeta --extern thiserror=/opt/rustwide/target/debug/deps/libthiserror-e23d21b2308c6e6d.rmeta --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill)
[INFO] [stderr] error: could not document `learn_rust_by_building_app`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2021 --crate-type bin --crate-name typestates src/bin/typestates.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=349be9ae0698fd35 -L dependency=/opt/rustwide/target/debug/deps --extern chrono=/opt/rustwide/target/debug/deps/libchrono-010c1d53553e28bf.rmeta --extern colored=/opt/rustwide/target/debug/deps/libcolored-2fad3d960e01ea5f.rmeta --extern crossbeam_channel=/opt/rustwide/target/debug/deps/libcrossbeam_channel-0828918ca0bde37b.rmeta --extern activity=/opt/rustwide/target/debug/deps/libactivity-00d0251a9cdfaceb.rmeta --extern thiserror=/opt/rustwide/target/debug/deps/libthiserror-e23d21b2308c6e6d.rmeta --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill)
[INFO] [stderr] error: could not document `learn_rust_by_building_app`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2021 --crate-type bin --crate-name custom_error_types src/bin/custom_error_types.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=9ea4f8781fbd9e12 -L dependency=/opt/rustwide/target/debug/deps --extern chrono=/opt/rustwide/target/debug/deps/libchrono-010c1d53553e28bf.rmeta --extern colored=/opt/rustwide/target/debug/deps/libcolored-2fad3d960e01ea5f.rmeta --extern crossbeam_channel=/opt/rustwide/target/debug/deps/libcrossbeam_channel-0828918ca0bde37b.rmeta --extern activity=/opt/rustwide/target/debug/deps/libactivity-00d0251a9cdfaceb.rmeta --extern thiserror=/opt/rustwide/target/debug/deps/libthiserror-e23d21b2308c6e6d.rmeta --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill)
[INFO] running `Command { std: "docker" "inspect" "535bf1e7c251b33ae40ef16029e7db1a3a984771d9f926d819355e138d632920", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "535bf1e7c251b33ae40ef16029e7db1a3a984771d9f926d819355e138d632920", kill_on_drop: false }`
[INFO] [stdout] 535bf1e7c251b33ae40ef16029e7db1a3a984771d9f926d819355e138d632920