[INFO] cloning repository https://github.com/munckymagik/go-concurrency-patterns-in-rust [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/munckymagik/go-concurrency-patterns-in-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmunckymagik%2Fgo-concurrency-patterns-in-rust", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmunckymagik%2Fgo-concurrency-patterns-in-rust'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 505aedcacf1e11dcc07c955a632ead689e627fb9 [INFO] documenting munckymagik/go-concurrency-patterns-in-rust 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%2Fmunckymagik%2Fgo-concurrency-patterns-in-rust" "/workspace/builds/worker-0/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/munckymagik/go-concurrency-patterns-in-rust 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/munckymagik/go-concurrency-patterns-in-rust [INFO] finished tweaking git repo https://github.com/munckymagik/go-concurrency-patterns-in-rust [INFO] tweaked toml for git repo https://github.com/munckymagik/go-concurrency-patterns-in-rust written to /workspace/builds/worker-0/source/Cargo.toml [INFO] crate git repo https://github.com/munckymagik/go-concurrency-patterns-in-rust 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] Downloading crates ... [INFO] [stderr] Downloaded futures v0.3.1 [INFO] [stderr] Downloaded async-task v1.0.0 [INFO] [stderr] Downloaded futures-executor v0.3.1 [INFO] [stderr] Downloaded futures-io v0.3.1 [INFO] [stderr] Downloaded async-std v1.2.0 [INFO] [stderr] Downloaded async-macros v2.0.0 [INFO] [stderr] Downloaded pin-project-lite v0.1.1 [INFO] [stderr] Downloaded futures-macro v0.3.1 [INFO] [stderr] Downloaded broadcaster v0.2.6 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] 2a34333a5c75791e388327a004f42c59748169963bfe7571af4dfb3ef814ec51 [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" "2a34333a5c75791e388327a004f42c59748169963bfe7571af4dfb3ef814ec51", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "2a34333a5c75791e388327a004f42c59748169963bfe7571af4dfb3ef814ec51", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2a34333a5c75791e388327a004f42c59748169963bfe7571af4dfb3ef814ec51", kill_on_drop: false }` [INFO] [stdout] 2a34333a5c75791e388327a004f42c59748169963bfe7571af4dfb3ef814ec51 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 96ada7b111a61bd6b35ab6a190eb739b9e1f8459644f9247a2cbd2b2d192949c [INFO] running `Command { std: "docker" "start" "-a" "96ada7b111a61bd6b35ab6a190eb739b9e1f8459644f9247a2cbd2b2d192949c", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.6 [INFO] [stderr] Compiling syn v1.0.8 [INFO] [stderr] Checking futures-core v0.3.1 [INFO] [stderr] Compiling getrandom v0.1.13 [INFO] [stderr] Checking futures-sink v0.3.1 [INFO] [stderr] Checking futures-io v0.3.1 [INFO] [stderr] Checking futures-task v0.3.1 [INFO] [stderr] Checking once_cell v1.2.0 [INFO] [stderr] Checking pin-project-lite v0.1.1 [INFO] [stderr] Checking lock_api v0.3.2 [INFO] [stderr] Checking crossbeam-utils v0.6.6 [INFO] [stderr] Checking futures-util-preview v0.3.0-alpha.19 [INFO] [stderr] Checking log v0.4.8 [INFO] [stderr] Checking crossbeam-utils v0.7.0 [INFO] [stderr] Checking net2 v0.2.33 [INFO] [stderr] Checking num_cpus v1.11.1 [INFO] [stderr] Checking smallvec v0.6.13 [INFO] [stderr] Checking async-macros v2.0.0 [INFO] [stderr] Checking futures-channel v0.3.1 [INFO] [stderr] Checking mio v0.6.21 [INFO] [stderr] Checking kv-log-macro v1.0.4 [INFO] [stderr] Checking crossbeam-epoch v0.8.0 [INFO] [stderr] Checking crossbeam-channel v0.4.0 [INFO] [stderr] Checking async-task v1.0.0 [INFO] [stderr] Checking parking_lot_core v0.6.2 [INFO] [stderr] Checking crossbeam-deque v0.7.2 [INFO] [stderr] Checking rand_core v0.5.1 [INFO] [stderr] Checking parking_lot v0.9.0 [INFO] [stderr] Checking rand_chacha v0.2.1 [INFO] [stderr] Checking mio-uds v0.6.7 [INFO] [stderr] Compiling quote v1.0.2 [INFO] [stderr] Checking rand v0.7.2 [INFO] [stderr] Checking broadcaster v0.2.6 [INFO] [stderr] Checking async-std v1.2.0 [INFO] [stderr] Compiling proc-macro-hack v0.5.11 [INFO] [stderr] Compiling futures-macro v0.3.1 [INFO] [stderr] Checking futures-util v0.3.1 [INFO] [stderr] Checking futures-executor v0.3.1 [INFO] [stderr] Checking futures v0.3.1 [INFO] [stderr] Documenting go-concurrency-patterns-in-rust v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] error: could not document `go-concurrency-patterns-in-rust` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `rustdoc --edition=2018 --crate-type bin --crate-name 09_2_timeout_combinator src/bin/09_2_timeout_combinator.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=f3291119dcf6b981 -L dependency=/opt/rustwide/target/debug/deps --extern async_std=/opt/rustwide/target/debug/deps/libasync_std-c137148f0d195c25.rmeta --extern futures=/opt/rustwide/target/debug/deps/libfutures-94e4b4c8c1bda8ce.rmeta --extern futures_timer=/opt/rustwide/target/debug/deps/libfutures_timer-d5cc79533eeba23f.rmeta --extern rand=/opt/rustwide/target/debug/deps/librand-52afef9614650a06.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 `go-concurrency-patterns-in-rust` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `rustdoc --edition=2018 --crate-type bin --crate-name 05_channel src/bin/05_channel.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=f1542f7e3968b06e -L dependency=/opt/rustwide/target/debug/deps --extern async_std=/opt/rustwide/target/debug/deps/libasync_std-c137148f0d195c25.rmeta --extern futures=/opt/rustwide/target/debug/deps/libfutures-94e4b4c8c1bda8ce.rmeta --extern futures_timer=/opt/rustwide/target/debug/deps/libfutures_timer-d5cc79533eeba23f.rmeta --extern rand=/opt/rustwide/target/debug/deps/librand-52afef9614650a06.rmeta --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill) [INFO] [stderr] error: could not document `go-concurrency-patterns-in-rust` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `rustdoc --edition=2018 --crate-type bin --crate-name 03_ignore src/bin/03_ignore.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=310bff83c2549545 -L dependency=/opt/rustwide/target/debug/deps --extern async_std=/opt/rustwide/target/debug/deps/libasync_std-c137148f0d195c25.rmeta --extern futures=/opt/rustwide/target/debug/deps/libfutures-94e4b4c8c1bda8ce.rmeta --extern futures_timer=/opt/rustwide/target/debug/deps/libfutures_timer-d5cc79533eeba23f.rmeta --extern rand=/opt/rustwide/target/debug/deps/librand-52afef9614650a06.rmeta --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill) [INFO] [stderr] error: could not document `go-concurrency-patterns-in-rust` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `rustdoc --edition=2018 --crate-type bin --crate-name 06_generator_function src/bin/06_generator_function.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=6785d8103ea90e7f -L dependency=/opt/rustwide/target/debug/deps --extern async_std=/opt/rustwide/target/debug/deps/libasync_std-c137148f0d195c25.rmeta --extern futures=/opt/rustwide/target/debug/deps/libfutures-94e4b4c8c1bda8ce.rmeta --extern futures_timer=/opt/rustwide/target/debug/deps/libfutures_timer-d5cc79533eeba23f.rmeta --extern rand=/opt/rustwide/target/debug/deps/librand-52afef9614650a06.rmeta --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill) [INFO] [stderr] error: could not document `go-concurrency-patterns-in-rust` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `rustdoc --edition=2018 --crate-type bin --crate-name 13_1_fake_google_search src/bin/13_1_fake_google_search.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=ded43ef0bf179aad -L dependency=/opt/rustwide/target/debug/deps --extern async_std=/opt/rustwide/target/debug/deps/libasync_std-c137148f0d195c25.rmeta --extern futures=/opt/rustwide/target/debug/deps/libfutures-94e4b4c8c1bda8ce.rmeta --extern futures_timer=/opt/rustwide/target/debug/deps/libfutures_timer-d5cc79533eeba23f.rmeta --extern rand=/opt/rustwide/target/debug/deps/librand-52afef9614650a06.rmeta --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill) [INFO] [stderr] error: could not document `go-concurrency-patterns-in-rust` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `rustdoc --edition=2018 --crate-type bin --crate-name 13_2_fake_google_search_async src/bin/13_2_fake_google_search_async.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=587a98defc6b1267 -L dependency=/opt/rustwide/target/debug/deps --extern async_std=/opt/rustwide/target/debug/deps/libasync_std-c137148f0d195c25.rmeta --extern futures=/opt/rustwide/target/debug/deps/libfutures-94e4b4c8c1bda8ce.rmeta --extern futures_timer=/opt/rustwide/target/debug/deps/libfutures_timer-d5cc79533eeba23f.rmeta --extern rand=/opt/rustwide/target/debug/deps/librand-52afef9614650a06.rmeta --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill) [INFO] [stderr] error: could not document `go-concurrency-patterns-in-rust` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `rustdoc --edition=2018 --crate-type bin --crate-name 08_1_fan_in_multiplexing src/bin/08_1_fan_in_multiplexing.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=da0f82178fc47af2 -L dependency=/opt/rustwide/target/debug/deps --extern async_std=/opt/rustwide/target/debug/deps/libasync_std-c137148f0d195c25.rmeta --extern futures=/opt/rustwide/target/debug/deps/libfutures-94e4b4c8c1bda8ce.rmeta --extern futures_timer=/opt/rustwide/target/debug/deps/libfutures_timer-d5cc79533eeba23f.rmeta --extern rand=/opt/rustwide/target/debug/deps/librand-52afef9614650a06.rmeta --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill) [INFO] running `Command { std: "docker" "inspect" "96ada7b111a61bd6b35ab6a190eb739b9e1f8459644f9247a2cbd2b2d192949c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "96ada7b111a61bd6b35ab6a190eb739b9e1f8459644f9247a2cbd2b2d192949c", kill_on_drop: false }` [INFO] [stdout] 96ada7b111a61bd6b35ab6a190eb739b9e1f8459644f9247a2cbd2b2d192949c