[INFO] cloning repository https://github.com/mzhou/la-tools
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mzhou/la-tools" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmzhou%2Fla-tools", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmzhou%2Fla-tools'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 673ce8f614a2e25ab9fd8f969c9aba1fec25c4d0
[INFO] documenting mzhou/la-tools 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%2Fmzhou%2Fla-tools" "/workspace/builds/worker-5/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mzhou/la-tools 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/mzhou/la-tools
[INFO] finished tweaking git repo https://github.com/mzhou/la-tools
[INFO] tweaked toml for git repo https://github.com/mzhou/la-tools written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/mzhou/la-tools 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 synstructure v0.12.5
[INFO] [stderr]   Downloaded wasm-bindgen-macro v0.2.75
[INFO] [stderr]   Downloaded wasm-bindgen v0.2.75
[INFO] [stderr]   Downloaded web-sys v0.3.52
[INFO] [stderr]   Downloaded wasm-bindgen-futures v0.4.25
[INFO] [stderr]   Downloaded trust-dns-https v0.20.3
[INFO] [stderr]   Downloaded dlv-list v0.2.3
[INFO] [stderr]   Downloaded wasm-bindgen-backend v0.2.75
[INFO] [stderr]   Downloaded bitflags v1.3.1
[INFO] [stderr]   Downloaded ordered-multimap v0.3.1
[INFO] [stderr]   Downloaded tokio v1.10.0
[INFO] [stderr]   Downloaded zerocopy-derive v0.3.0
[INFO] [stderr]   Downloaded rust-ini v0.17.0
[INFO] [stderr]   Downloaded zerocopy v0.5.0
[INFO] [stderr]   Downloaded trust-dns-proto v0.20.3
[INFO] [stderr]   Downloaded data-encoding v2.3.2
[INFO] [stderr]   Downloaded trust-dns-rustls v0.20.3
[INFO] [stderr]   Downloaded js-sys v0.3.52
[INFO] [stderr]   Downloaded wasm-bindgen-shared v0.2.75
[INFO] [stderr]   Downloaded wasm-bindgen-macro-support v0.2.75
[INFO] [stderr]   Downloaded trust-dns-resolver v0.20.3
[INFO] [stderr]   Downloaded winreg v0.9.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 7ab3aba9870b0dcb2476468077461fb4cf748707ca5b762cff12f3b3d165528a
[INFO] running `Command { std: "docker" "start" "-a" "7ab3aba9870b0dcb2476468077461fb4cf748707ca5b762cff12f3b3d165528a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7ab3aba9870b0dcb2476468077461fb4cf748707ca5b762cff12f3b3d165528a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7ab3aba9870b0dcb2476468077461fb4cf748707ca5b762cff12f3b3d165528a", kill_on_drop: false }`
[INFO] [stdout] 7ab3aba9870b0dcb2476468077461fb4cf748707ca5b762cff12f3b3d165528a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] 1b94450eaf69b7a2114d00f6064a8ede7e40e54ae2057076e4f61987554139e9
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "1b94450eaf69b7a2114d00f6064a8ede7e40e54ae2057076e4f61987554139e9", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.98
[INFO] [stderr]     Checking static_assertions v1.1.0
[INFO] [stderr]    Compiling serde v1.0.127
[INFO] [stderr]     Checking futures-io v0.3.16
[INFO] [stderr]     Checking ahash v0.4.7
[INFO] [stderr]     Checking hex v0.4.3
[INFO] [stderr]     Checking bitflags v1.3.1
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]    Compiling tokio v1.10.0
[INFO] [stderr]    Compiling futures-util v0.3.16
[INFO] [stderr]    Compiling ring v0.16.20
[INFO] [stderr]     Checking textwrap v0.14.2
[INFO] [stderr]     Checking tracing v0.1.26
[INFO] [stderr]     Checking http-body v0.4.3
[INFO] [stderr]     Checking encoding_rs v0.8.28
[INFO] [stderr]     Checking idna v0.2.3
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling synstructure v0.12.5
[INFO] [stderr]    Compiling thiserror-impl v1.0.26
[INFO] [stderr]    Compiling enum-as-inner v0.3.3
[INFO] [stderr]     Checking hashbrown v0.9.1
[INFO] [stderr]     Checking url v2.2.2
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling zerocopy-derive v0.3.0
[INFO] [stderr]    Compiling clap_derive v3.0.0-beta.4
[INFO] [stderr]     Checking parking_lot_core v0.8.3
[INFO] [stderr]     Checking flate2 v1.0.20
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking signal-hook-registry v1.4.0
[INFO] [stderr]     Checking mio v0.7.13
[INFO] [stderr]     Checking getrandom v0.2.3
[INFO] [stderr]     Checking socket2 v0.4.1
[INFO] [stderr]     Checking hostname v0.3.1
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking memmap2 v0.3.1
[INFO] [stderr]     Checking resolv-conf v0.7.0
[INFO] [stderr]     Checking parking_lot v0.11.1
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking thiserror v1.0.26
[INFO] [stderr]     Checking rand v0.8.4
[INFO] [stderr]     Checking zerocopy v0.5.0
[INFO] [stderr]     Checking dlv-list v0.2.3
[INFO] [stderr]     Checking ordered-multimap v0.3.1
[INFO] [stderr]     Checking webpki v0.21.4
[INFO] [stderr]     Checking sct v0.6.1
[INFO] [stderr]     Checking la-tools v0.1.0 (/opt/rustwide/workdir/la-tools)
[INFO] [stderr]  Documenting la-tools v0.1.0 (/opt/rustwide/workdir/la-tools)
[INFO] [stderr]     Checking serde_urlencoded v0.7.0
[INFO] [stderr]     Checking rust-ini v0.17.0
[INFO] [stderr]     Checking clap v3.0.0-beta.4
[INFO] [stderr]     Checking extract-git-object v0.1.0 (/opt/rustwide/workdir/extract-git-object)
[INFO] [stderr]     Checking hash-git-object v0.1.0 (/opt/rustwide/workdir/hash-git-object)
[INFO] [stderr]     Checking patch-git-index v0.1.0 (/opt/rustwide/workdir/patch-git-index)
[INFO] [stderr]     Checking make-git-object v0.1.0 (/opt/rustwide/workdir/make-git-object)
[INFO] [stderr]  Documenting patch-git-index v0.1.0 (/opt/rustwide/workdir/patch-git-index)
[INFO] [stderr]  Documenting make-git-object v0.1.0 (/opt/rustwide/workdir/make-git-object)
[INFO] [stderr]  Documenting extract-git-object v0.1.0 (/opt/rustwide/workdir/extract-git-object)
[INFO] [stderr]  Documenting hash-git-object v0.1.0 (/opt/rustwide/workdir/hash-git-object)
[INFO] [stderr]     Checking rustls v0.19.1
[INFO] [stderr]     Checking webpki-roots v0.21.1
[INFO] [stderr]  Documenting la-tools-multi v0.1.0 (/opt/rustwide/workdir/la-tools-multi)
[INFO] [stderr]     Checking tokio-util v0.6.7
[INFO] [stderr]     Checking trust-dns-proto v0.20.3
[INFO] [stderr]     Checking tokio-rustls v0.22.0
[INFO] [stderr]     Checking h2 v0.3.3
[INFO] [stderr]     Checking trust-dns-rustls v0.20.3
[INFO] [stderr]     Checking trust-dns-https v0.20.3
[INFO] [stderr]     Checking hyper v0.14.11
[INFO] [stderr]     Checking trust-dns-resolver v0.20.3
[INFO] [stderr]     Checking reqwest v0.11.4
[INFO] [stderr]  Documenting fast-dl v0.1.0 (/opt/rustwide/workdir/fast-dl)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> fast-dl/src/lib.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(duration_consts_2)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> fast-dl/src/lib.rs:2:12
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(iter_zip)]
[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 `fast-dl`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type lib --crate-name fast_dl fast-dl/src/lib.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=c947f7d637c999cd -L dependency=/opt/rustwide/target/debug/deps --extern clap=/opt/rustwide/target/debug/deps/libclap-b1618bead75d1e74.rmeta --extern generic_array=/opt/rustwide/target/debug/deps/libgeneric_array-3b114798989562b6.rmeta --extern la_tools=/opt/rustwide/target/debug/deps/libla_tools-c1b48eed534acbfd.rmeta --extern memmap2=/opt/rustwide/target/debug/deps/libmemmap2-042826f9e4161242.rmeta --extern reqwest=/opt/rustwide/target/debug/deps/libreqwest-56852f37b9190c41.rmeta --extern ini=/opt/rustwide/target/debug/deps/libini-5e6c5799db6f935c.rmeta --extern tokio=/opt/rustwide/target/debug/deps/libtokio-0445e16e48e9037b.rmeta --extern trust_dns_resolver=/opt/rustwide/target/debug/deps/libtrust_dns_resolver-d75cd9b9ce05ea1c.rmeta --cap-lints=warn --crate-version 0.1.0` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "1b94450eaf69b7a2114d00f6064a8ede7e40e54ae2057076e4f61987554139e9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1b94450eaf69b7a2114d00f6064a8ede7e40e54ae2057076e4f61987554139e9", kill_on_drop: false }`
[INFO] [stdout] 1b94450eaf69b7a2114d00f6064a8ede7e40e54ae2057076e4f61987554139e9