[INFO] cloning repository https://github.com/Ruin0x11/borscht
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Ruin0x11/borscht" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRuin0x11%2Fborscht", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRuin0x11%2Fborscht'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 2629ef4b2407858c83edafb73dbe765acb44384f
[INFO] documenting Ruin0x11/borscht 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%2FRuin0x11%2Fborscht" "/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/Ruin0x11/borscht 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/Ruin0x11/borscht
[INFO] finished tweaking git repo https://github.com/Ruin0x11/borscht
[INFO] tweaked toml for git repo https://github.com/Ruin0x11/borscht written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/Ruin0x11/borscht 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]  Downloading crates ...
[INFO] [stderr]   Downloaded no-std-compat v0.4.1
[INFO] [stderr]   Downloaded enum-utils-from-str v0.1.2
[INFO] [stderr]   Downloaded enum-utils v0.1.2
[INFO] [stderr]   Downloaded dataview v0.1.1
[INFO] [stderr]   Downloaded derive_pod v0.1.0
[INFO] [stderr]   Downloaded pelite-macros v0.1.1
[INFO] [stderr]   Downloaded hexyl v0.8.0
[INFO] [stderr]   Downloaded pelite v0.9.0
[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] 51969af2c02317e0b1615c3aae430f120ac7a60fa7a7f123eb6d32f832cbf36e
[INFO] running `Command { std: "docker" "start" "-a" "51969af2c02317e0b1615c3aae430f120ac7a60fa7a7f123eb6d32f832cbf36e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "51969af2c02317e0b1615c3aae430f120ac7a60fa7a7f123eb6d32f832cbf36e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "51969af2c02317e0b1615c3aae430f120ac7a60fa7a7f123eb6d32f832cbf36e", kill_on_drop: false }`
[INFO] [stdout] 51969af2c02317e0b1615c3aae430f120ac7a60fa7a7f123eb6d32f832cbf36e
[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] 2df20b4249d74e719158d87f55f7e06e71d2e15c60c754a7414e773d0c2fe617
[INFO] running `Command { std: "docker" "start" "-a" "2df20b4249d74e719158d87f55f7e06e71d2e15c60c754a7414e773d0c2fe617", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.26
[INFO] [stderr]    Compiling libc v0.2.98
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.70
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling serde_derive v1.0.126
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling serde v1.0.126
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]    Compiling gimli v0.23.0
[INFO] [stderr]    Compiling proc-macro-hack v0.5.19
[INFO] [stderr]    Compiling adler v1.0.2
[INFO] [stderr]    Compiling typenum v1.13.0
[INFO] [stderr]    Compiling object v0.23.0
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling rustc-demangle v0.1.18
[INFO] [stderr]    Compiling encoding_rs v0.8.28
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]    Compiling anyhow v1.0.42
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling derive_pod v0.1.0
[INFO] [stderr]    Compiling unicode-segmentation v1.8.0
[INFO] [stderr]     Checking no-std-compat v0.4.1
[INFO] [stderr]    Compiling pelite-macros v0.1.1
[INFO] [stderr]     Checking itoa v0.4.7
[INFO] [stderr]     Checking unicode-width v0.1.8
[INFO] [stderr]     Checking base64 v0.13.0
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]     Checking opaque-debug v0.3.0
[INFO] [stderr]     Checking cpufeatures v0.1.5
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking vec_map v0.8.2
[INFO] [stderr]     Checking regex-syntax v0.6.23
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking ansi_term v0.12.1
[INFO] [stderr]     Checking humantime v2.1.0
[INFO] [stderr]     Checking termcolor v1.1.2
[INFO] [stderr]     Checking regex-automata v0.1.9
[INFO] [stderr]    Compiling generic-array v0.14.4
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]     Checking dataview v0.1.1
[INFO] [stderr]     Checking csv-core v0.1.10
[INFO] [stderr]     Checking aho-corasick v0.7.15
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking regex v1.4.6
[INFO] [stderr]     Checking pelite v0.9.0
[INFO] [stderr]     Checking term_size v0.3.2
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]    Compiling enum-utils-from-str v0.1.2
[INFO] [stderr]    Compiling paste-impl v0.1.18
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking digest v0.9.0
[INFO] [stderr]     Checking block-buffer v0.9.0
[INFO] [stderr]     Checking encoding_rs_io v0.1.7
[INFO] [stderr]     Checking sha2 v0.9.5
[INFO] [stderr]     Checking paste v0.1.18
[INFO] [stderr]     Checking env_logger v0.8.3
[INFO] [stderr]    Compiling addr2line v0.14.1
[INFO] [stderr]    Compiling backtrace v0.3.57
[INFO] [stderr]    Compiling failure v0.1.8
[INFO] [stderr]    Compiling serde_derive_internals v0.25.0
[INFO] [stderr]     Checking hexyl v0.8.0
[INFO] [stderr]    Compiling enum-as-inner v0.3.3
[INFO] [stderr]    Compiling enum-utils v0.1.2
[INFO] [stderr]     Checking bstr v0.2.15
[INFO] [stderr]     Checking ron v0.6.4
[INFO] [stderr]     Checking csv v1.1.6
[INFO] [stderr]     Checking exe2ax v0.0.1 (/opt/rustwide/workdir/exe2ax)
[INFO] [stderr]  Documenting exe2ax v0.0.1 (/opt/rustwide/workdir/exe2ax)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> exe2ax/src/lib.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(seek_stream_len)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> exe2ax/src/lib.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(seek_stream_len)]
[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 compile `exe2ax` due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[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 `exe2ax`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --crate-type lib --crate-name exe2ax exe2ax/src/lib.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=4e3cf4734013d6ef -L dependency=/opt/rustwide/target/debug/deps --extern anyhow=/opt/rustwide/target/debug/deps/libanyhow-d63c37c8cbabae71.rmeta --extern bitflags=/opt/rustwide/target/debug/deps/libbitflags-98bef8f72a2f9fbc.rmeta --extern byteorder=/opt/rustwide/target/debug/deps/libbyteorder-7c274f399d426ec2.rmeta --extern csv=/opt/rustwide/target/debug/deps/libcsv-4eaa4490e9570f46.rmeta --extern encoding_rs=/opt/rustwide/target/debug/deps/libencoding_rs-273d2c5ab30884df.rmeta --extern encoding_rs_io=/opt/rustwide/target/debug/deps/libencoding_rs_io-54c1cba985e409a7.rmeta --extern enum_as_inner=/opt/rustwide/target/debug/deps/libenum_as_inner-2fd9faf82f2e1ed0.so --extern enum_utils=/opt/rustwide/target/debug/deps/libenum_utils-c944eba13b5c6a7b.so --extern paste=/opt/rustwide/target/debug/deps/libpaste-41be4954267ff1d2.rmeta --extern pelite=/opt/rustwide/target/debug/deps/libpelite-24e76eb5dd21a7a0.rmeta --cap-lints=warn --crate-version 0.0.1` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "2df20b4249d74e719158d87f55f7e06e71d2e15c60c754a7414e773d0c2fe617", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2df20b4249d74e719158d87f55f7e06e71d2e15c60c754a7414e773d0c2fe617", kill_on_drop: false }`
[INFO] [stdout] 2df20b4249d74e719158d87f55f7e06e71d2e15c60c754a7414e773d0c2fe617