[INFO] cloning repository https://github.com/adolfohw/journal-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/adolfohw/journal-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fadolfohw%2Fjournal-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fadolfohw%2Fjournal-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a41f7099a9520a5e2aedfb63583f0e15cf0327f9
[INFO] documenting adolfohw/journal-rs against 1.69.0 for beta-1.70-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fadolfohw%2Fjournal-rs" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/adolfohw/journal-rs on toolchain 1.69.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.69.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-2-tc1/source/rust-toolchain
[INFO] started tweaking git repo https://github.com/adolfohw/journal-rs
[INFO] finished tweaking git repo https://github.com/adolfohw/journal-rs
[INFO] tweaked toml for git repo https://github.com/adolfohw/journal-rs written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/adolfohw/journal-rs already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.69.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded hermit-abi v0.1.7
[INFO] [stderr]   Downloaded hostname v0.3.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+1.69.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] eb73ddb553aaf542d9ed674cbed24f6b783559f98ff3651bf6f189a76918afcb
[INFO] running `Command { std: "docker" "start" "-a" "eb73ddb553aaf542d9ed674cbed24f6b783559f98ff3651bf6f189a76918afcb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "eb73ddb553aaf542d9ed674cbed24f6b783559f98ff3651bf6f189a76918afcb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eb73ddb553aaf542d9ed674cbed24f6b783559f98ff3651bf6f189a76918afcb", kill_on_drop: false }`
[INFO] [stdout] eb73ddb553aaf542d9ed674cbed24f6b783559f98ff3651bf6f189a76918afcb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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" "RUSTFLAGS=--cap-lints=warn" "-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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+1.69.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 50d6b871a1fb4f311a08a3fd78eef28f698a8d2b4ab087185f0f89d1302edbe8
[INFO] running `Command { std: "docker" "start" "-a" "50d6b871a1fb4f311a08a3fd78eef28f698a8d2b4ab087185f0f89d1302edbe8", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.66
[INFO] [stderr]    Compiling proc-macro2 v1.0.8
[INFO] [stderr]    Compiling syn v1.0.14
[INFO] [stderr]    Compiling serde v1.0.104
[INFO] [stderr]    Compiling ryu v1.0.2
[INFO] [stderr]     Checking match_cfg v0.1.0
[INFO] [stderr]     Checking itoa v0.4.5
[INFO] [stderr]    Compiling num-traits v0.2.11
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]     Checking time v0.1.42
[INFO] [stderr]     Checking dirs-sys v0.3.4
[INFO] [stderr]     Checking hostname v0.3.0
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]     Checking dirs v2.0.2
[INFO] [stderr]     Checking num-integer v0.1.42
[INFO] [stderr]    Compiling serde_derive v1.0.104
[INFO] [stderr]     Checking serde_json v1.0.48
[INFO] [stderr]     Checking chrono v0.4.10
[INFO] [stderr]  Documenting jn v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/main.rs:2:12
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(map_first_last)]
[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 `jn`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type bin --crate-name jn 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=d10132331bd90a93 -L dependency=/opt/rustwide/target/debug/deps --extern chrono=/opt/rustwide/target/debug/deps/libchrono-c1a014b1992e5579.rmeta --extern clap=/opt/rustwide/target/debug/deps/libclap-44f5575458fe3d2e.rmeta --extern dirs=/opt/rustwide/target/debug/deps/libdirs-144c5c8f692e39f1.rmeta --extern hostname=/opt/rustwide/target/debug/deps/libhostname-041babdf5b35dcf6.rmeta --extern serde=/opt/rustwide/target/debug/deps/libserde-2e7be6a42024eddd.rmeta --extern serde_json=/opt/rustwide/target/debug/deps/libserde_json-a97d65d2d6fff456.rmeta --cap-lints=warn --crate-version 0.1.0` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "50d6b871a1fb4f311a08a3fd78eef28f698a8d2b4ab087185f0f89d1302edbe8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "50d6b871a1fb4f311a08a3fd78eef28f698a8d2b4ab087185f0f89d1302edbe8", kill_on_drop: false }`
[INFO] [stdout] 50d6b871a1fb4f311a08a3fd78eef28f698a8d2b4ab087185f0f89d1302edbe8
