[INFO] fetching crate quotick 0.2.3...
[INFO] documenting quotick-0.2.3 against 1.76.0 for beta-1.77-rustdoc-1
[INFO] extracting crate quotick 0.2.3 into /workspace/builds/worker-5-tc1/source
[INFO] validating manifest of crates.io crate quotick 0.2.3 on toolchain 1.76.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.76.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate quotick 0.2.3
[INFO] finished tweaking crates.io crate quotick 0.2.3
[INFO] tweaked toml for crates.io crate quotick 0.2.3 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] crate crates.io crate quotick 0.2.3 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" "+1.76.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded ppv-lite86 v0.2.14
[INFO] [stderr]   Downloaded serde_test v1.0.130
[INFO] [stderr]   Downloaded miniz_oxide v0.5.1
[INFO] [stderr]   Downloaded libc v0.2.103
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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" "+1.76.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6ebaf858ee5d670e4ff659489632ba0a8d99336cc7e559380e27fee22862341d
[INFO] running `Command { std: "docker" "start" "-a" "6ebaf858ee5d670e4ff659489632ba0a8d99336cc7e559380e27fee22862341d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6ebaf858ee5d670e4ff659489632ba0a8d99336cc7e559380e27fee22862341d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6ebaf858ee5d670e4ff659489632ba0a8d99336cc7e559380e27fee22862341d", kill_on_drop: false }`
[INFO] [stdout] 6ebaf858ee5d670e4ff659489632ba0a8d99336cc7e559380e27fee22862341d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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" "+1.76.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] df969d26c56d370853e35734fefea69e84574d0ed63f1fba9264226732dc8e49
[INFO] running `Command { std: "docker" "start" "-a" "df969d26c56d370853e35734fefea69e84574d0ed63f1fba9264226732dc8e49", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.103
[INFO] [stderr]    Compiling proc-macro2 v1.0.30
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling serde v1.0.130
[INFO] [stderr]    Compiling syn v1.0.80
[INFO] [stderr]     Checking ppv-lite86 v0.2.14
[INFO] [stderr]    Compiling serde_derive v1.0.130
[INFO] [stderr]     Checking smallvec v1.7.0
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]     Checking uuid v0.8.2
[INFO] [stderr]     Checking endian-type v0.1.2
[INFO] [stderr]     Checking miniz_oxide v0.5.1
[INFO] [stderr]     Checking nibble_vec v0.1.0
[INFO] [stderr]    Compiling quote v1.0.10
[INFO] [stderr]     Checking getrandom v0.2.3
[INFO] [stderr]     Checking memmap v0.7.0
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.4
[INFO] [stderr]     Checking bincode v1.3.3
[INFO] [stderr]     Checking serde_test v1.0.130
[INFO] [stderr]  Documenting quotick v0.2.3 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(nll)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^ help: remove the attribute
[INFO] [stdout]   |
[INFO] [stdout]   = help: the feature `nll` has been stable since `1.63.0` and no longer requires an attribute to enable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 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 `quotick`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/rustup-home/toolchains/1.76.0-x86_64-unknown-linux-gnu/bin/rustdoc --edition=2018 --crate-type lib --crate-name quotick src/lib.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=f941c83e1e833de4 -L dependency=/opt/rustwide/target/debug/deps --extern bincode=/opt/rustwide/target/debug/deps/libbincode-073a0d0bea6ddb8f.rmeta --extern byteorder=/opt/rustwide/target/debug/deps/libbyteorder-d32e76d11d766655.rmeta --extern endian_type=/opt/rustwide/target/debug/deps/libendian_type-5c61bc5acafefef0.rmeta --extern memmap=/opt/rustwide/target/debug/deps/libmemmap-0c38d4c2166914dd.rmeta --extern miniz_oxide=/opt/rustwide/target/debug/deps/libminiz_oxide-c2d39485bafe2f87.rmeta --extern nibble_vec=/opt/rustwide/target/debug/deps/libnibble_vec-eca03df076ab2ceb.rmeta --extern rand=/opt/rustwide/target/debug/deps/librand-54eda03ed3b13291.rmeta --extern serde=/opt/rustwide/target/debug/deps/libserde-9d25afdda3db7b41.rmeta --extern serde_derive=/opt/rustwide/target/debug/deps/libserde_derive-fdd0d8132a050471.so --extern serde_test=/opt/rustwide/target/debug/deps/libserde_test-f35671b97e8b8779.rmeta --extern uuid=/opt/rustwide/target/debug/deps/libuuid-1d3e4975c42a4baa.rmeta --cap-lints=warn --crate-version 0.2.3` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "df969d26c56d370853e35734fefea69e84574d0ed63f1fba9264226732dc8e49", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "df969d26c56d370853e35734fefea69e84574d0ed63f1fba9264226732dc8e49", kill_on_drop: false }`
[INFO] [stdout] df969d26c56d370853e35734fefea69e84574d0ed63f1fba9264226732dc8e49
