[INFO] cloning repository https://github.com/FliegendeWurst/nextbike-stats
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/FliegendeWurst/nextbike-stats" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFliegendeWurst%2Fnextbike-stats", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFliegendeWurst%2Fnextbike-stats'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 54ed09884071bf67e99895f17415d37f2dd47165
[INFO] documenting FliegendeWurst/nextbike-stats against 1.75.0 for beta-1.76-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFliegendeWurst%2Fnextbike-stats" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/FliegendeWurst/nextbike-stats on toolchain 1.75.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/FliegendeWurst/nextbike-stats
[INFO] finished tweaking git repo https://github.com/FliegendeWurst/nextbike-stats
[INFO] tweaked toml for git repo https://github.com/FliegendeWurst/nextbike-stats written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/FliegendeWurst/nextbike-stats 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" "+1.75.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded rustls-webpki v0.101.2
[INFO] [stderr]   Downloaded rustls v0.21.5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2f4abf52111e1805053b8d59b4952364311d0286b24994ae6cdac1c2c9cceb37
[INFO] running `Command { std: "docker" "start" "-a" "2f4abf52111e1805053b8d59b4952364311d0286b24994ae6cdac1c2c9cceb37", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2f4abf52111e1805053b8d59b4952364311d0286b24994ae6cdac1c2c9cceb37", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2f4abf52111e1805053b8d59b4952364311d0286b24994ae6cdac1c2c9cceb37", kill_on_drop: false }`
[INFO] [stdout] 2f4abf52111e1805053b8d59b4952364311d0286b24994ae6cdac1c2c9cceb37
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9d1995a549acab415f94fffcbd7c4da5892c68833f1280b9a577cee17183c6f6
[INFO] running `Command { std: "docker" "start" "-a" "9d1995a549acab415f94fffcbd7c4da5892c68833f1280b9a577cee17183c6f6", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.147
[INFO] [stderr]    Compiling cc v1.0.79
[INFO] [stderr]     Checking pin-project-lite v0.2.10
[INFO] [stderr]     Checking bytes v1.4.0
[INFO] [stderr]    Compiling tokio v1.29.1
[INFO] [stderr]    Compiling futures-util v0.3.28
[INFO] [stderr]    Compiling ahash v0.8.3
[INFO] [stderr]    Compiling rustls v0.21.5
[INFO] [stderr]    Compiling futures-channel v0.3.28
[INFO] [stderr]    Compiling serde v1.0.178
[INFO] [stderr]    Compiling syn v2.0.27
[INFO] [stderr]     Checking try-lock v0.2.4
[INFO] [stderr]     Checking log v0.4.19
[INFO] [stderr]    Compiling libsqlite3-sys v0.26.0
[INFO] [stderr]    Compiling serde_json v1.0.104
[INFO] [stderr]     Checking tower-service v0.3.2
[INFO] [stderr]     Checking tracing v0.1.37
[INFO] [stderr]     Checking want v0.3.1
[INFO] [stderr]     Checking rustls-pemfile v1.0.3
[INFO] [stderr]     Checking encoding_rs v0.8.32
[INFO] [stderr]     Checking bitflags v2.3.3
[INFO] [stderr]     Checking fallible-iterator v0.2.0
[INFO] [stderr]     Checking ipnet v2.8.0
[INFO] [stderr]    Compiling serde_derive v1.0.178
[INFO] [stderr]     Checking http v0.2.9
[INFO] [stderr]     Checking hashbrown v0.14.0
[INFO] [stderr]    Compiling ring v0.16.20
[INFO] [stderr]     Checking parking_lot_core v0.9.8
[INFO] [stderr]     Checking signal-hook-registry v1.4.1
[INFO] [stderr]     Checking mio v0.8.8
[INFO] [stderr]     Checking num_cpus v1.16.0
[INFO] [stderr]     Checking socket2 v0.4.9
[INFO] [stderr]     Checking hashlink v0.8.3
[INFO] [stderr]     Checking http-body v0.4.5
[INFO] [stderr]     Checking parking_lot v0.12.1
[INFO] [stderr]     Checking rusqlite v0.29.0
[INFO] [stderr]    Compiling tokio-macros v2.1.0
[INFO] [stderr]    Compiling futures-macro v0.3.28
[INFO] [stderr]     Checking serde_urlencoded v0.7.1
[INFO] [stderr]     Checking sct v0.7.0
[INFO] [stderr]     Checking rustls-webpki v0.101.2
[INFO] [stderr]     Checking webpki v0.22.0
[INFO] [stderr]     Checking webpki-roots v0.22.6
[INFO] [stderr]     Checking tokio-util v0.7.8
[INFO] [stderr]     Checking tokio-rustls v0.24.1
[INFO] [stderr]     Checking h2 v0.3.20
[INFO] [stderr]     Checking hyper v0.14.27
[INFO] [stderr]     Checking hyper-rustls v0.24.1
[INFO] [stderr]     Checking reqwest v0.11.18
[INFO] [stderr]  Documenting nextbike-stats v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/bin/gen_json.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(let_chains)]
[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 `nextbike-stats`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/rustup-home/toolchains/1.75.0-x86_64-unknown-linux-gnu/bin/rustdoc --edition=2021 --crate-type bin --crate-name gen_json src/bin/gen_json.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=c5890051304b9573 -L dependency=/opt/rustwide/target/debug/deps --extern reqwest=/opt/rustwide/target/debug/deps/libreqwest-80a9344425c0ddd0.rmeta --extern rusqlite=/opt/rustwide/target/debug/deps/librusqlite-9f0135723fae6fd4.rmeta --extern serde=/opt/rustwide/target/debug/deps/libserde-53ef520c7715f538.rmeta --extern serde_derive=/opt/rustwide/target/debug/deps/libserde_derive-dc2293938dcc09c2.so --extern serde_json=/opt/rustwide/target/debug/deps/libserde_json-9d23d5c64ce0a719.rmeta --extern tokio=/opt/rustwide/target/debug/deps/libtokio-51e241362cdd00a0.rmeta --cap-lints=warn --crate-version 0.1.0` (exit status: 1)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "9d1995a549acab415f94fffcbd7c4da5892c68833f1280b9a577cee17183c6f6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9d1995a549acab415f94fffcbd7c4da5892c68833f1280b9a577cee17183c6f6", kill_on_drop: false }`
[INFO] [stdout] 9d1995a549acab415f94fffcbd7c4da5892c68833f1280b9a577cee17183c6f6
