[INFO] fetching crate podchamp 0.4.0...
[INFO] documenting podchamp-0.4.0 against 1.54.0 for beta-1.55-rustdoc-1
[INFO] extracting crate podchamp 0.4.0 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate podchamp 0.4.0 on toolchain 1.54.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate podchamp 0.4.0
[INFO] finished tweaking crates.io crate podchamp 0.4.0
[INFO] tweaked toml for crates.io crate podchamp 0.4.0 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate crates.io crate podchamp 0.4.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded migrations_macros v1.4.2
[INFO] [stderr]   Downloaded migrations_internals v1.4.1
[INFO] [stderr]   Downloaded diesel_migrations v1.4.0
[INFO] [stderr]   Downloaded diesel v1.4.6
[INFO] [stderr]   Downloaded libsqlite3-sys v0.20.1
[INFO] [stderr]   Downloaded feed-rs v0.6.0
[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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ed85bee6e62e7b51b98fa73debada790546e066527f41f70f8df32c8a340939f
[INFO] running `Command { std: "docker" "start" "-a" "ed85bee6e62e7b51b98fa73debada790546e066527f41f70f8df32c8a340939f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ed85bee6e62e7b51b98fa73debada790546e066527f41f70f8df32c8a340939f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ed85bee6e62e7b51b98fa73debada790546e066527f41f70f8df32c8a340939f", kill_on_drop: false }`
[INFO] [stdout] ed85bee6e62e7b51b98fa73debada790546e066527f41f70f8df32c8a340939f
[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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cbefacbd1526aaeec0a35446f8188fe7bc4711a2fd116bbc39c7f31557af6c99
[INFO] running `Command { std: "docker" "start" "-a" "cbefacbd1526aaeec0a35446f8188fe7bc4711a2fd116bbc39c7f31557af6c99", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.71
[INFO] [stderr]     Checking futures-io v0.3.14
[INFO] [stderr]     Checking futures-task v0.3.14
[INFO] [stderr]    Compiling tokio v1.5.0
[INFO] [stderr]     Checking futures-channel v0.3.14
[INFO] [stderr]     Checking openssl-sys v0.9.62
[INFO] [stderr]     Checking time v0.1.43
[INFO] [stderr]     Checking dirs-sys v0.3.6
[INFO] [stderr]     Checking quick-xml v0.20.0
[INFO] [stderr]     Checking uuid v0.8.2
[INFO] [stderr]     Checking directories v3.0.2
[INFO] [stderr]    Compiling chrono v0.4.19
[INFO] [stderr]     Checking openssl v0.10.34
[INFO] [stderr]     Checking native-tls v0.2.7
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling tokio-macros v1.1.0
[INFO] [stderr]    Compiling futures-macro v0.3.14
[INFO] [stderr]    Compiling diesel_derives v1.4.1
[INFO] [stderr]    Compiling serde_derive v1.0.125
[INFO] [stderr]    Compiling pin-project-internal v1.0.7
[INFO] [stderr]    Compiling clap_derive v3.0.0-beta.2
[INFO] [stderr]     Checking futures-util v0.3.14
[INFO] [stderr]     Checking pin-project v1.0.7
[INFO] [stderr]     Checking clap v3.0.0-beta.2
[INFO] [stderr]     Checking tokio-util v0.6.6
[INFO] [stderr]     Checking tokio-native-tls v0.3.0
[INFO] [stderr]     Checking serde v1.0.125
[INFO] [stderr]     Checking futures-executor v0.3.14
[INFO] [stderr]     Checking futures v0.3.14
[INFO] [stderr]     Checking h2 v0.3.2
[INFO] [stderr]    Compiling diesel v1.4.6
[INFO] [stderr]     Checking serde_urlencoded v0.7.0
[INFO] [stderr]     Checking serde_json v1.0.64
[INFO] [stderr]     Checking hyper v0.14.7
[INFO] [stderr]     Checking feed-rs v0.6.0
[INFO] [stderr]     Checking hyper-tls v0.5.0
[INFO] [stderr]     Checking reqwest v0.11.3
[INFO] [stderr]     Checking migrations_internals v1.4.1
[INFO] [stderr]    Compiling migrations_macros v1.4.2
[INFO] [stderr]     Checking diesel_migrations v1.4.0
[INFO] [stderr]  Documenting podchamp v0.4.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/main.rs:3:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | #![feature(try_blocks)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: Compilation failed, aborting rustdoc
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not document `podchamp`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type bin --crate-name podchamp src/main.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi --document-private-items -L dependency=/opt/rustwide/target/debug/deps --extern anyhow=/opt/rustwide/target/debug/deps/libanyhow-ed234740686b5bee.rmeta --extern bytes=/opt/rustwide/target/debug/deps/libbytes-7b9084f8ae89ce82.rmeta --extern chrono=/opt/rustwide/target/debug/deps/libchrono-c50c7a76418e631d.rmeta --extern clap=/opt/rustwide/target/debug/deps/libclap-2be57020eb51b669.rmeta --extern diesel=/opt/rustwide/target/debug/deps/libdiesel-72b4574e52c9117d.rmeta --extern diesel_migrations=/opt/rustwide/target/debug/deps/libdiesel_migrations-fd58f58e48d0fdaa.rmeta --extern directories=/opt/rustwide/target/debug/deps/libdirectories-81c1965d586a4c62.rmeta --extern feed_rs=/opt/rustwide/target/debug/deps/libfeed_rs-72d39a5b178ecfba.rmeta --extern futures=/opt/rustwide/target/debug/deps/libfutures-a34600cdf2821796.rmeta --extern reqwest=/opt/rustwide/target/debug/deps/libreqwest-decdbe78f4a51e0e.rmeta --extern tokio=/opt/rustwide/target/debug/deps/libtokio-34ddbfbbe68b45bc.rmeta --extern url=/opt/rustwide/target/debug/deps/liburl-e2a5a775ed5a5445.rmeta --cap-lints=warn --crate-version 0.4.0` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "cbefacbd1526aaeec0a35446f8188fe7bc4711a2fd116bbc39c7f31557af6c99", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cbefacbd1526aaeec0a35446f8188fe7bc4711a2fd116bbc39c7f31557af6c99", kill_on_drop: false }`
[INFO] [stdout] cbefacbd1526aaeec0a35446f8188fe7bc4711a2fd116bbc39c7f31557af6c99
