[INFO] cloning repository https://github.com/PsychicNoodles/khal-notify
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/PsychicNoodles/khal-notify" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPsychicNoodles%2Fkhal-notify", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPsychicNoodles%2Fkhal-notify'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5122213c1c052cfdd57d8748107bf8c02d6d4fb4
[INFO] documenting PsychicNoodles/khal-notify against beta-2022-05-20 for beta-1.62-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPsychicNoodles%2Fkhal-notify" "/workspace/builds/worker-34/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-34/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/PsychicNoodles/khal-notify on toolchain beta-2022-05-20
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-05-20" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/PsychicNoodles/khal-notify
[INFO] finished tweaking git repo https://github.com/PsychicNoodles/khal-notify
[INFO] tweaked toml for git repo https://github.com/PsychicNoodles/khal-notify written to /workspace/builds/worker-34/source/Cargo.toml
[INFO] crate git repo https://github.com/PsychicNoodles/khal-notify already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-05-20" "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-34/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-34/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" "+beta-2022-05-20" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5890b8c3e2eb48bf9615dabc5388fac30ed6b062fd3b551f94dc20c1fffb29bd
[INFO] running `Command { std: "docker" "start" "-a" "5890b8c3e2eb48bf9615dabc5388fac30ed6b062fd3b551f94dc20c1fffb29bd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5890b8c3e2eb48bf9615dabc5388fac30ed6b062fd3b551f94dc20c1fffb29bd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5890b8c3e2eb48bf9615dabc5388fac30ed6b062fd3b551f94dc20c1fffb29bd", kill_on_drop: false }`
[INFO] [stdout] 5890b8c3e2eb48bf9615dabc5388fac30ed6b062fd3b551f94dc20c1fffb29bd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-34/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-34/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" "+beta-2022-05-20" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a7f917586570160a0b076761b6dd8b05558789d67d690e86ce832d1e30d8fa21
[INFO] running `Command { std: "docker" "start" "-a" "a7f917586570160a0b076761b6dd8b05558789d67d690e86ce832d1e30d8fa21", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.26
[INFO] [stderr]    Compiling syn v1.0.72
[INFO] [stderr]    Compiling libc v0.2.94
[INFO] [stderr]    Compiling proc-macro-hack v0.5.19
[INFO] [stderr]    Compiling serde_derive v1.0.125
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]    Compiling serde v1.0.125
[INFO] [stderr]    Compiling const_fn v0.4.7
[INFO] [stderr]    Compiling serde_json v1.0.64
[INFO] [stderr]     Checking itoa v0.4.7
[INFO] [stderr]     Checking opener v0.4.1
[INFO] [stderr]     Checking unicode-segmentation v1.7.1
[INFO] [stderr]    Compiling standback v0.2.17
[INFO] [stderr]    Compiling time v0.2.26
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking aho-corasick v0.7.18
[INFO] [stderr]     Checking dirs-sys v0.3.6
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking directories v3.0.2
[INFO] [stderr]     Checking regex v1.5.4
[INFO] [stderr]    Compiling time-macros-impl v0.1.1
[INFO] [stderr]     Checking time-macros v0.1.1
[INFO] [stderr]  Documenting khal-notify v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/main.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(iter_intersperse)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not document `khal-notify`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type bin --crate-name khal_notify src/main.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items '-Arustdoc::private-intra-doc-links' -C metadata=40a0eebc68b87fdf -L dependency=/opt/rustwide/target/debug/deps --extern clap=/opt/rustwide/target/debug/deps/libclap-e6e8506939bfb1c5.rmeta --extern directories=/opt/rustwide/target/debug/deps/libdirectories-cdddb9188715aa03.rmeta --extern opener=/opt/rustwide/target/debug/deps/libopener-bf314fe4cba660ff.rmeta --extern regex=/opt/rustwide/target/debug/deps/libregex-7313f661094e7418.rmeta --extern serde=/opt/rustwide/target/debug/deps/libserde-48719291c5d5c63e.rmeta --extern serde_json=/opt/rustwide/target/debug/deps/libserde_json-d1023c78caeada17.rmeta --extern time=/opt/rustwide/target/debug/deps/libtime-3df8932596af6b90.rmeta --extern unicode_segmentation=/opt/rustwide/target/debug/deps/libunicode_segmentation-6d97eeec991e9486.rmeta --cap-lints=warn --crate-version 0.1.0` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "a7f917586570160a0b076761b6dd8b05558789d67d690e86ce832d1e30d8fa21", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a7f917586570160a0b076761b6dd8b05558789d67d690e86ce832d1e30d8fa21", kill_on_drop: false }`
[INFO] [stdout] a7f917586570160a0b076761b6dd8b05558789d67d690e86ce832d1e30d8fa21