[INFO] fetching crate byml 0.1.4...
[INFO] documenting byml-0.1.4 against 1.69.0 for beta-1.70-rustdoc-1
[INFO] extracting crate byml 0.1.4 into /workspace/builds/worker-2-tc1/source
[INFO] validating manifest of crates.io crate byml 0.1.4 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 byml 0.1.4
[INFO] finished tweaking crates.io crate byml 0.1.4
[INFO] tweaked toml for crates.io crate byml 0.1.4 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" __CARGO_TEST_CHANNEL_OVERRIDE_DO_NOT_USE_THIS="nightly" "/workspace/cargo-home/bin/cargo" "+1.69.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[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 binwrite_derive v0.2.1
[INFO] [stderr]   Downloaded binread_derive v1.4.3
[INFO] [stderr]   Downloaded binwrite v0.2.1
[INFO] [stderr]   Downloaded cached v0.20.0
[INFO] [stderr]   Downloaded parse_int v0.4.0
[INFO] [stderr]   Downloaded binread v1.4.1
[INFO] [stderr]   Downloaded async-mutex v1.4.0
[INFO] [stderr]   Downloaded cached_proc_macro v0.4.0
[INFO] [stderr]   Downloaded yaz0 v0.1.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 7bf7d7acacaf1e6395fd9ea3f2cc77272bf675e6c94e6239e31ec0d8d9fafff3
[INFO] running `Command { std: "docker" "start" "-a" "7bf7d7acacaf1e6395fd9ea3f2cc77272bf675e6c94e6239e31ec0d8d9fafff3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7bf7d7acacaf1e6395fd9ea3f2cc77272bf675e6c94e6239e31ec0d8d9fafff3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7bf7d7acacaf1e6395fd9ea3f2cc77272bf675e6c94e6239e31ec0d8d9fafff3", kill_on_drop: false }`
[INFO] [stdout] 7bf7d7acacaf1e6395fd9ea3f2cc77272bf675e6c94e6239e31ec0d8d9fafff3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 2c98f7248a2e79c8a2112c13fcbeb913767ff3a891f4079f096bbc94693ce4d2
[INFO] running `Command { std: "docker" "start" "-a" "2c98f7248a2e79c8a2112c13fcbeb913767ff3a891f4079f096bbc94693ce4d2", kill_on_drop: false }`
[INFO] [stderr]    Compiling futures-channel v0.3.28
[INFO] [stderr]    Compiling strsim v0.9.3
[INFO] [stderr]    Compiling futures-macro v0.3.28
[INFO] [stderr]    Compiling event-listener v2.5.3
[INFO] [stderr]    Compiling arrayvec v0.4.12
[INFO] [stderr]    Compiling paste-impl v0.1.18
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]     Checking nodrop v0.1.14
[INFO] [stderr]     Checking async-mutex v1.4.0
[INFO] [stderr]    Compiling darling_core v0.10.2
[INFO] [stderr]    Compiling binwrite_derive v0.2.1
[INFO] [stderr]    Compiling binread_derive v1.4.3
[INFO] [stderr]    Compiling thiserror-impl v1.0.40
[INFO] [stderr]     Checking paste v0.1.18
[INFO] [stderr]     Checking yaz0 v0.1.2
[INFO] [stderr]     Checking parse_int v0.4.0
[INFO] [stderr]     Checking base64 v0.12.3
[INFO] [stderr]     Checking futures-util v0.3.28
[INFO] [stderr]     Checking binwrite v0.2.1
[INFO] [stderr]    Compiling darling_macro v0.10.2
[INFO] [stderr]     Checking thiserror v1.0.40
[INFO] [stderr]    Compiling darling v0.10.2
[INFO] [stderr]     Checking binread v1.4.1
[INFO] [stderr]    Compiling cached_proc_macro v0.4.0
[INFO] [stderr]     Checking futures-executor v0.3.28
[INFO] [stderr]     Checking futures v0.3.28
[INFO] [stderr]     Checking cached v0.20.0
[INFO] [stderr]  Documenting byml v0.1.4 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/lib.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(seek_convenience)]
[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 `byml`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type lib --crate-name byml src/lib.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=7399bac3f0cee4d5 -L dependency=/opt/rustwide/target/debug/deps --extern base64=/opt/rustwide/target/debug/deps/libbase64-a107f69acacc704c.rmeta --extern binread=/opt/rustwide/target/debug/deps/libbinread-22fa4e45b9e37062.rmeta --extern binwrite=/opt/rustwide/target/debug/deps/libbinwrite-61d05ee010595ec3.rmeta --extern byteorder=/opt/rustwide/target/debug/deps/libbyteorder-f66b59f6631a5df0.rmeta --extern cached=/opt/rustwide/target/debug/deps/libcached-71ca1eb9408e07ff.rmeta --extern indexmap=/opt/rustwide/target/debug/deps/libindexmap-7b7b6de621cd6a06.rmeta --extern parse_int=/opt/rustwide/target/debug/deps/libparse_int-91f15c297a768012.rmeta --extern rayon=/opt/rustwide/target/debug/deps/librayon-47cbaa357abc78da.rmeta --extern thiserror=/opt/rustwide/target/debug/deps/libthiserror-ef8ec6e81891414c.rmeta --extern yaz0=/opt/rustwide/target/debug/deps/libyaz0-258d44b82295c0ef.rmeta --cap-lints=warn --crate-version 0.1.4` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "2c98f7248a2e79c8a2112c13fcbeb913767ff3a891f4079f096bbc94693ce4d2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2c98f7248a2e79c8a2112c13fcbeb913767ff3a891f4079f096bbc94693ce4d2", kill_on_drop: false }`
[INFO] [stdout] 2c98f7248a2e79c8a2112c13fcbeb913767ff3a891f4079f096bbc94693ce4d2
