[INFO] fetching crate padantic 0.1.0...
[INFO] documenting padantic-0.1.0 against 1.69.0 for beta-1.70-rustdoc-1
[INFO] extracting crate padantic 0.1.0 into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate padantic 0.1.0 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] started tweaking crates.io crate padantic 0.1.0
[INFO] finished tweaking crates.io crate padantic 0.1.0
[INFO] tweaked toml for crates.io crate padantic 0.1.0 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate crates.io crate padantic 0.1.0 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 signal-hook v0.1.13
[INFO] [stderr]   Downloaded crossterm_winapi v0.5.1
[INFO] [stderr]   Downloaded arc-swap v0.4.4
[INFO] [stderr]   Downloaded doc-comment v0.3.2
[INFO] [stderr]   Downloaded crossterm_winapi v0.6.1
[INFO] [stderr]   Downloaded simplelog v0.7.4
[INFO] [stderr]   Downloaded snafu v0.6.2
[INFO] [stderr]   Downloaded snafu-derive v0.6.2
[INFO] [stderr]   Downloaded crossterm v0.14.2
[INFO] [stderr]   Downloaded crossterm v0.16.0
[INFO] [stderr]   Downloaded tui v0.8.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 6f53068fd108cf44d4fdf3ece48b46254697b6fd76b8bbaf6eb09d69108726d0
[INFO] running `Command { std: "docker" "start" "-a" "6f53068fd108cf44d4fdf3ece48b46254697b6fd76b8bbaf6eb09d69108726d0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6f53068fd108cf44d4fdf3ece48b46254697b6fd76b8bbaf6eb09d69108726d0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6f53068fd108cf44d4fdf3ece48b46254697b6fd76b8bbaf6eb09d69108726d0", kill_on_drop: false }`
[INFO] [stdout] 6f53068fd108cf44d4fdf3ece48b46254697b6fd76b8bbaf6eb09d69108726d0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 22bacf52ad9a3bc4eee7dc37aa8a0f71b4ddad90aebd14d96ceb99f2c82fe7d3
[INFO] running `Command { std: "docker" "start" "-a" "22bacf52ad9a3bc4eee7dc37aa8a0f71b4ddad90aebd14d96ceb99f2c82fe7d3", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.67
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.9
[INFO] [stderr]     Checking smallvec v1.2.0
[INFO] [stderr]     Checking slab v0.4.2
[INFO] [stderr]     Checking arc-swap v0.4.4
[INFO] [stderr]    Compiling syn v1.0.16
[INFO] [stderr]     Checking unicode-width v0.1.7
[INFO] [stderr]     Checking lock_api v0.3.3
[INFO] [stderr]    Compiling doc-comment v0.3.2
[INFO] [stderr]     Checking either v1.5.3
[INFO] [stderr]     Checking cassowary v0.3.0
[INFO] [stderr]     Checking hex v0.4.2
[INFO] [stderr]     Checking base64 v0.11.0
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking itertools v0.8.2
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling num-traits v0.2.11
[INFO] [stderr]    Compiling num-integer v0.1.42
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling memoffset v0.5.3
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking net2 v0.2.33
[INFO] [stderr]     Checking signal-hook-registry v1.2.0
[INFO] [stderr]     Checking parking_lot_core v0.7.0
[INFO] [stderr]     Checking dirs-sys v0.3.4
[INFO] [stderr]     Checking time v0.1.42
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]     Checking dirs v2.0.2
[INFO] [stderr]     Checking parking_lot v0.10.0
[INFO] [stderr]     Checking mio v0.6.21
[INFO] [stderr]     Checking term v0.6.1
[INFO] [stderr]     Checking crossbeam-channel v0.4.2
[INFO] [stderr]     Checking crossbeam-queue v0.2.1
[INFO] [stderr]     Checking crossbeam-deque v0.7.3
[INFO] [stderr]     Checking chrono v0.4.11
[INFO] [stderr]     Checking crossbeam v0.7.3
[INFO] [stderr]     Checking signal-hook v0.1.13
[INFO] [stderr]     Checking crossterm v0.14.2
[INFO] [stderr]     Checking crossterm v0.16.0
[INFO] [stderr]     Checking simplelog v0.7.4
[INFO] [stderr]     Checking tui v0.8.0
[INFO] [stderr]    Compiling snafu-derive v0.6.2
[INFO] [stderr]     Checking snafu v0.6.2
[INFO] [stderr]  Documenting padantic 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:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(try_find)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/main.rs:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(trait_alias)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^
[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 `padantic`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type bin --crate-name padantic 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=893b630a0596b552 -L dependency=/opt/rustwide/target/debug/deps --extern base64=/opt/rustwide/target/debug/deps/libbase64-cb9a01108fc2a08d.rmeta --extern clap=/opt/rustwide/target/debug/deps/libclap-2c114334df754166.rmeta --extern crossbeam=/opt/rustwide/target/debug/deps/libcrossbeam-a98e30ceed0a9c9c.rmeta --extern crossterm=/opt/rustwide/target/debug/deps/libcrossterm-e9cfb336fce8a279.rmeta --extern hex=/opt/rustwide/target/debug/deps/libhex-24a2ffc4bff8a019.rmeta --extern log=/opt/rustwide/target/debug/deps/liblog-c5df200291fd5380.rmeta --extern simplelog=/opt/rustwide/target/debug/deps/libsimplelog-d58d1f4741326fd9.rmeta --extern snafu=/opt/rustwide/target/debug/deps/libsnafu-4420a083c27e88a9.rmeta --extern tui=/opt/rustwide/target/debug/deps/libtui-fd449e8f137cf9ca.rmeta --cap-lints=warn --crate-version 0.1.0` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "22bacf52ad9a3bc4eee7dc37aa8a0f71b4ddad90aebd14d96ceb99f2c82fe7d3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "22bacf52ad9a3bc4eee7dc37aa8a0f71b4ddad90aebd14d96ceb99f2c82fe7d3", kill_on_drop: false }`
[INFO] [stdout] 22bacf52ad9a3bc4eee7dc37aa8a0f71b4ddad90aebd14d96ceb99f2c82fe7d3
