[INFO] fetching crate tudor-sql 0.2.0...
[INFO] documenting tudor-sql-0.2.0 against 1.54.0 for beta-1.55-rustdoc-1
[INFO] extracting crate tudor-sql 0.2.0 into /workspace/builds/worker-11/source
[INFO] validating manifest of crates.io crate tudor-sql 0.2.0 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 tudor-sql 0.2.0
[INFO] finished tweaking crates.io crate tudor-sql 0.2.0
[INFO] tweaked toml for crates.io crate tudor-sql 0.2.0 written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] crate crates.io crate tudor-sql 0.2.0 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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] f31b913f14fac64b220dc15f4a90295724bc67869ba32ce643eec9cb7bc99802
[INFO] running `Command { std: "docker" "start" "-a" "f31b913f14fac64b220dc15f4a90295724bc67869ba32ce643eec9cb7bc99802", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f31b913f14fac64b220dc15f4a90295724bc67869ba32ce643eec9cb7bc99802", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f31b913f14fac64b220dc15f4a90295724bc67869ba32ce643eec9cb7bc99802", kill_on_drop: false }`
[INFO] [stdout] f31b913f14fac64b220dc15f4a90295724bc67869ba32ce643eec9cb7bc99802
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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] 74ca31c3869168d2cf25355cd1c0b2af34e15407e0ca4684def8b9c7f4b63e03
[INFO] running `Command { std: "docker" "start" "-a" "74ca31c3869168d2cf25355cd1c0b2af34e15407e0ca4684def8b9c7f4b63e03", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling syn v1.0.57
[INFO] [stderr]    Compiling libc v0.2.81
[INFO] [stderr]    Compiling standback v0.2.14
[INFO] [stderr]    Compiling time v0.2.23
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking rand v0.6.5
[INFO] [stderr]     Checking nanoid v0.3.0
[INFO] [stderr]    Compiling pest_generator v2.1.3
[INFO] [stderr]    Compiling time-macros-impl v0.1.1
[INFO] [stderr]    Compiling pest_consume_macros v1.0.6
[INFO] [stderr]    Compiling pest_derive v2.1.0
[INFO] [stderr]    Compiling typed-builder v0.8.0
[INFO] [stderr]     Checking time-macros v0.1.1
[INFO] [stderr]     Checking pest_consume v1.0.6
[INFO] [stderr]  Documenting tudor-sql v0.2.0 (/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(or_patterns, map_first_last)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = help: the feature `or_patterns` has been stable since 1.53.0 and no longer requires an attribute to enable
[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 `tudor-sql`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type lib --crate-name tudor_sql src/lib.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi --document-private-items -L dependency=/opt/rustwide/target/debug/deps --extern clap=/opt/rustwide/target/debug/deps/libclap-1c4ba648c48544c2.rmeta --extern log=/opt/rustwide/target/debug/deps/liblog-ad9dab5804e289b3.rmeta --extern nanoid=/opt/rustwide/target/debug/deps/libnanoid-df8d392c1d9e78a1.rmeta --extern pest=/opt/rustwide/target/debug/deps/libpest-623493691dac33aa.rmeta --extern pest_consume=/opt/rustwide/target/debug/deps/libpest_consume-8fd10d7cc84e17ae.rmeta --extern pest_derive=/opt/rustwide/target/debug/deps/libpest_derive-c2f6edee780bc4ad.so --extern time=/opt/rustwide/target/debug/deps/libtime-90e96865173a5381.rmeta --extern typed_builder=/opt/rustwide/target/debug/deps/libtyped_builder-28e874890e20e864.so --cap-lints=warn --crate-version 0.2.0` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "74ca31c3869168d2cf25355cd1c0b2af34e15407e0ca4684def8b9c7f4b63e03", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "74ca31c3869168d2cf25355cd1c0b2af34e15407e0ca4684def8b9c7f4b63e03", kill_on_drop: false }`
[INFO] [stdout] 74ca31c3869168d2cf25355cd1c0b2af34e15407e0ca4684def8b9c7f4b63e03
