[INFO] cloning repository https://github.com/oxy/banyan
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/oxy/banyan" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Foxy%2Fbanyan", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Foxy%2Fbanyan'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 7a0dea906e18fa4b76407f3a699dbb94e55f1402
[INFO] documenting oxy/banyan against 1.61.0 for beta-1.62-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Foxy%2Fbanyan" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/oxy/banyan on toolchain 1.61.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/oxy/banyan
[INFO] finished tweaking git repo https://github.com/oxy/banyan
[INFO] tweaked toml for git repo https://github.com/oxy/banyan written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/oxy/banyan already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded clap_derive v3.1.4
[INFO] [stderr]   Downloaded backtrace v0.3.64
[INFO] [stderr]   Downloaded parking_lot_core v0.9.1
[INFO] [stderr]   Downloaded clap v3.1.6
[INFO] [stderr]   Downloaded thousands v0.2.0
[INFO] [stderr]   Downloaded dhat v0.3.0
[INFO] [stderr]   Downloaded syn v1.0.78
[INFO] [stderr]   Downloaded windows-sys v0.32.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+1.61.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 83fe9f1982f0f55bfd0a7ccb37287754d7b93d572ec7730e22873d9630b47803
[INFO] running `Command { std: "docker" "start" "-a" "83fe9f1982f0f55bfd0a7ccb37287754d7b93d572ec7730e22873d9630b47803", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "83fe9f1982f0f55bfd0a7ccb37287754d7b93d572ec7730e22873d9630b47803", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "83fe9f1982f0f55bfd0a7ccb37287754d7b93d572ec7730e22873d9630b47803", kill_on_drop: false }`
[INFO] [stdout] 83fe9f1982f0f55bfd0a7ccb37287754d7b93d572ec7730e22873d9630b47803
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+1.61.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e9b6c7b992927fcc17661a16be0224d0a8cb691019a9b80b1ee324d50b365fa5
[INFO] running `Command { std: "docker" "start" "-a" "e9b6c7b992927fcc17661a16be0224d0a8cb691019a9b80b1ee324d50b365fa5", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]    Compiling proc-macro2 v1.0.29
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.78
[INFO] [stderr]    Compiling libc v0.2.97
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling cc v1.0.68
[INFO] [stderr]    Compiling serde_derive v1.0.126
[INFO] [stderr]    Compiling serde v1.0.126
[INFO] [stderr]     Checking smallvec v1.8.0
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling parking_lot_core v0.8.5
[INFO] [stderr]    Compiling parking_lot_core v0.9.1
[INFO] [stderr]    Compiling crossbeam-utils v0.8.5
[INFO] [stderr]     Checking gimli v0.26.1
[INFO] [stderr]     Checking rustc-demangle v0.1.21
[INFO] [stderr]    Compiling heck v0.4.0
[INFO] [stderr]     Checking thousands v0.2.0
[INFO] [stderr]     Checking termcolor v1.1.2
[INFO] [stderr]     Checking rustc-hash v1.1.0
[INFO] [stderr]     Checking strsim v0.10.0
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking textwrap v0.15.0
[INFO] [stderr]     Checking base64 v0.13.0
[INFO] [stderr]    Compiling typenum v1.13.0
[INFO] [stderr]     Checking object v0.27.1
[INFO] [stderr]     Checking os_str_bytes v6.0.0
[INFO] [stderr]     Checking instant v0.1.12
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling generic-array v0.14.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]     Checking crossbeam-channel v0.5.1
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]    Compiling indexmap v1.7.0
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling backtrace v0.3.64
[INFO] [stderr]    Compiling blake3 v0.3.8
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking crypto-mac v0.8.0
[INFO] [stderr]     Checking digest v0.9.0
[INFO] [stderr]     Checking parking_lot v0.11.2
[INFO] [stderr]     Checking parking_lot v0.12.0
[INFO] [stderr]     Checking addr2line v0.17.0
[INFO] [stderr]    Compiling clap_derive v3.1.4
[INFO] [stderr]     Checking clap v3.1.6
[INFO] [stderr]     Checking serde_json v1.0.78
[INFO] [stderr]     Checking bincode v1.3.3
[INFO] [stderr]     Checking dhat v0.3.0
[INFO] [stderr]  Documenting banyan 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:8:1
[INFO] [stdout]   |
[INFO] [stdout] 8 | #![feature(decl_macro)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]    --> src/repo/layer.rs:250:22
[INFO] [stdout]     |
[INFO] [stdout] 250 |     let threads = if (threads > 4) {
[INFO] [stdout]     |                      ^           ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 250 -     let threads = if (threads > 4) {
[INFO] [stdout] 250 +     let threads = if threads > 4 {
[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; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not document `banyan`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type bin --crate-name banyan src/main.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=92717fe3e91cca0f -L dependency=/opt/rustwide/target/debug/deps --extern base64=/opt/rustwide/target/debug/deps/libbase64-8bcb81a96746c276.rmeta --extern bincode=/opt/rustwide/target/debug/deps/libbincode-b1c9f54b052d4997.rmeta --extern blake3=/opt/rustwide/target/debug/deps/libblake3-91b3e3532ee2b7d3.rmeta --extern clap=/opt/rustwide/target/debug/deps/libclap-f7daa8f0ea94c6e1.rmeta --extern crossbeam_channel=/opt/rustwide/target/debug/deps/libcrossbeam_channel-0f9cc3f156718306.rmeta --extern crossbeam_utils=/opt/rustwide/target/debug/deps/libcrossbeam_utils-39ed8930f34c66c3.rmeta --extern dhat=/opt/rustwide/target/debug/deps/libdhat-69473c0fca21f913.rmeta --extern libc=/opt/rustwide/target/debug/deps/liblibc-db1950ce522c57e7.rmeta --extern parking_lot=/opt/rustwide/target/debug/deps/libparking_lot-b857f077921c4ddf.rmeta --extern serde=/opt/rustwide/target/debug/deps/libserde-27e264458b85eded.rmeta --cap-lints=warn --crate-version 0.1.0` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "e9b6c7b992927fcc17661a16be0224d0a8cb691019a9b80b1ee324d50b365fa5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e9b6c7b992927fcc17661a16be0224d0a8cb691019a9b80b1ee324d50b365fa5", kill_on_drop: false }`
[INFO] [stdout] e9b6c7b992927fcc17661a16be0224d0a8cb691019a9b80b1ee324d50b365fa5