[INFO] cloning repository https://github.com/phiresky/rga
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/phiresky/rga" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fphiresky%2Frga", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fphiresky%2Frga'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8b4a7ab38c4c8e4feddba98c925c93baa22b330f
[INFO] documenting phiresky/rga against 1.46.0 for beta-1.47-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fphiresky%2Frga" "/workspace/builds/worker-12/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/phiresky/rga on toolchain 1.46.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.46.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/phiresky/rga
[INFO] finished tweaking git repo https://github.com/phiresky/rga
[INFO] tweaked toml for git repo https://github.com/phiresky/rga written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate git repo https://github.com/phiresky/rga already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.46.0" "fetch" "--locked" "--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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.46.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4e7236d60000e73bfb9f695729b16571d315be5762ec3bed9e69916464e76383
[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" "4e7236d60000e73bfb9f695729b16571d315be5762ec3bed9e69916464e76383", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4e7236d60000e73bfb9f695729b16571d315be5762ec3bed9e69916464e76383", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4e7236d60000e73bfb9f695729b16571d315be5762ec3bed9e69916464e76383", kill_on_drop: false }`
[INFO] [stdout] 4e7236d60000e73bfb9f695729b16571d315be5762ec3bed9e69916464e76383
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.46.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8914dd36d31162564833c04ed6dd27ca64aff2439a872628908701b3362b34fd
[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" "8914dd36d31162564833c04ed6dd27ca64aff2439a872628908701b3362b34fd", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.30
[INFO] [stderr]    Compiling version_check v0.9.2
[INFO] [stderr]    Compiling serde v1.0.111
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling either v1.5.3
[INFO] [stderr]    Compiling glob v0.3.0
[INFO] [stderr]    Compiling typenum v1.12.0
[INFO] [stderr]    Compiling encoding_rs v0.8.23
[INFO] [stderr]     Checking ppv-lite86 v0.2.8
[INFO] [stderr]    Compiling anyhow v1.0.31
[INFO] [stderr]     Checking regex-syntax v0.6.18
[INFO] [stderr]    Compiling schemars v0.8.0-alpha-2
[INFO] [stderr]     Checking dyn-clone v1.0.1
[INFO] [stderr]     Checking fixedbitset v0.2.0
[INFO] [stderr]    Compiling proc-macro-hack v0.5.16
[INFO] [stderr]     Checking itoa v0.4.5
[INFO] [stderr]     Checking arrayref v0.3.6
[INFO] [stderr]     Checking fallible-streaming-iterator v0.1.9
[INFO] [stderr]     Checking podio v0.1.7
[INFO] [stderr]     Checking uuid v0.8.1
[INFO] [stderr]     Checking remove_dir_all v0.5.2
[INFO] [stderr]     Checking path-clean v0.1.0
[INFO] [stderr]    Compiling num-traits v0.2.11
[INFO] [stderr]    Compiling indexmap v1.4.0
[INFO] [stderr]    Compiling num-complex v0.2.4
[INFO] [stderr]    Compiling num-iter v0.1.40
[INFO] [stderr]     Checking getopts v0.2.21
[INFO] [stderr]    Compiling itertools v0.9.0
[INFO] [stderr]    Compiling libc v0.2.71
[INFO] [stderr]     Checking idna v0.2.0
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking getrandom v0.1.14
[INFO] [stderr]     Checking term_size v0.3.2
[INFO] [stderr]     Checking time v0.1.43
[INFO] [stderr]     Checking dirs-sys-next v0.1.0
[INFO] [stderr]     Checking xattr v0.2.2
[INFO] [stderr]     Checking filetime v0.2.10
[INFO] [stderr]    Compiling lexical-core v0.6.2
[INFO] [stderr]     Checking flate2 v1.0.14
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.2
[INFO] [stderr]    Compiling proc-macro-error v1.0.2
[INFO] [stderr]    Compiling nom v5.1.1
[INFO] [stderr]     Checking pretty-bytes v0.2.2
[INFO] [stderr]     Checking crossbeam-channel v0.4.2
[INFO] [stderr]     Checking crossbeam-queue v0.2.2
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking directories-next v1.0.1
[INFO] [stderr]     Checking tar v0.4.28
[INFO] [stderr]     Checking clap v2.33.1
[INFO] [stderr]     Checking url v2.1.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]    Compiling jobserver v0.1.21
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking crossbeam v0.7.3
[INFO] [stderr]    Compiling cc v1.0.54
[INFO] [stderr]     Checking num-integer v0.1.42
[INFO] [stderr]     Checking ordered-float v1.0.2
[INFO] [stderr]     Checking num-rational v0.2.4
[INFO] [stderr]     Checking chrono v0.4.11
[INFO] [stderr]     Checking generic-array v0.12.3
[INFO] [stderr]    Compiling zstd-sys v1.4.16+zstd.1.4.5
[INFO] [stderr]    Compiling bzip2-sys v0.1.9+1.0.8
[INFO] [stderr]    Compiling lmdb-rkv-sys v0.11.0
[INFO] [stderr]    Compiling lzma-sys v0.1.16
[INFO] [stderr]    Compiling libsqlite3-sys v0.18.0
[INFO] [stderr]     Checking encoding_rs_io v0.1.7
[INFO] [stderr]     Checking tempfile v3.1.0
[INFO] [stderr]     Checking num v0.2.1
[INFO] [stderr]     Checking size_format v1.0.2
[INFO] [stderr]     Checking regex v1.3.9
[INFO] [stderr]     Checking xz2 v0.1.6
[INFO] [stderr]     Checking lmdb-rkv v0.14.0
[INFO] [stderr]     Checking env_logger v0.7.1
[INFO] [stderr]     Checking bzip2 v0.3.3
[INFO] [stderr]     Checking zip v0.5.5
[INFO] [stderr]    Compiling syn-mid v0.5.0
[INFO] [stderr]    Compiling synstructure v0.12.4
[INFO] [stderr]    Compiling serde_derive_internals v0.25.0
[INFO] [stderr]    Compiling serde_derive v1.0.111
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]    Compiling schemars_derive v0.8.0-alpha-2
[INFO] [stderr]    Compiling paste-impl v0.1.16
[INFO] [stderr]    Compiling dyn-clonable-impl v0.9.0
[INFO] [stderr]    Compiling derive_more v0.99.7
[INFO] [stderr]     Checking rusqlite v0.23.1
[INFO] [stderr]     Checking dyn-clonable v0.9.0
[INFO] [stderr]     Checking paste v0.1.16
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]    Compiling structopt-derive v0.4.7
[INFO] [stderr]     Checking structopt v0.3.14
[INFO] [stderr]     Checking serde_json v1.0.53
[INFO] [stderr]     Checking bincode v1.2.1
[INFO] [stderr]     Checking rkv v0.10.4
[INFO] [stderr]     Checking petgraph v0.5.1
[INFO] [stderr]     Checking zstd-safe v2.0.4+zstd.1.4.5
[INFO] [stderr]     Checking zstd v0.5.2+zstd.1.4.5
[INFO] [stderr]     Checking tree_magic_mini v1.0.0
[INFO] [stderr]     Checking ripgrep_all v0.9.7-alpha.0 (/opt/rustwide/workdir)
[INFO] [stderr]  Documenting ripgrep_all v0.9.7-alpha.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/lib.rs:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(negative_impls)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/lib.rs:3:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | #![feature(specialization)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/lib.rs:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(negative_impls)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/lib.rs:3:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | #![feature(specialization)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: Could not document `ripgrep_all`.
[INFO] [stdout] error: Compilation failed, aborting rustdoc
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] 
[INFO] [stdout] error: aborting due to 3 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] Caused by:
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type lib --crate-name ripgrep_all src/lib.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi --document-private-items -L dependency=/opt/rustwide/target/debug/deps --extern anyhow=/opt/rustwide/target/debug/deps/libanyhow-8c061b3ea71c2288.rmeta --extern bincode=/opt/rustwide/target/debug/deps/libbincode-155f75e251ad29b4.rmeta --extern bzip2=/opt/rustwide/target/debug/deps/libbzip2-45f05047c1ae5477.rmeta --extern chrono=/opt/rustwide/target/debug/deps/libchrono-7efba1c73ac11949.rmeta --extern clap=/opt/rustwide/target/debug/deps/libclap-5b2d83c32b1fdcf9.rmeta --extern crossbeam=/opt/rustwide/target/debug/deps/libcrossbeam-ac5c3c491c791796.rmeta --extern crossbeam_channel=/opt/rustwide/target/debug/deps/libcrossbeam_channel-dd430c7c264e2a00.rmeta --extern derive_more=/opt/rustwide/target/debug/deps/libderive_more-023dfd054b21a64c.so --extern directories_next=/opt/rustwide/target/debug/deps/libdirectories_next-b21726b392e030cc.rmeta --extern dyn_clonable=/opt/rustwide/target/debug/deps/libdyn_clonable-90b6d7acb7efbe10.rmeta --extern dyn_clone=/opt/rustwide/target/debug/deps/libdyn_clone-0ba508170a0052e3.rmeta --extern encoding_rs=/opt/rustwide/target/debug/deps/libencoding_rs-76f2d6f2af4b0e3c.rmeta --extern encoding_rs_io=/opt/rustwide/target/debug/deps/libencoding_rs_io-b77e9caaf6e18f14.rmeta --extern env_logger=/opt/rustwide/target/debug/deps/libenv_logger-38e66d1f10a2ff58.rmeta --extern flate2=/opt/rustwide/target/debug/deps/libflate2-8b0d843c18ac8c3f.rmeta --extern glob=/opt/rustwide/target/debug/deps/libglob-91c2b32d0ceb9511.rmeta --extern lazy_static=/opt/rustwide/target/debug/deps/liblazy_static-57a7edc7f441d44c.rmeta --extern log=/opt/rustwide/target/debug/deps/liblog-f96ba0118540bef9.rmeta --extern memchr=/opt/rustwide/target/debug/deps/libmemchr-627133d374ce1598.rmeta --extern paste=/opt/rustwide/target/debug/deps/libpaste-ff7e396997d4bc14.rmeta --extern path_clean=/opt/rustwide/target/debug/deps/libpath_clean-569b016d1f7b40fb.rmeta --extern pretty_bytes=/opt/rustwide/target/debug/deps/libpretty_bytes-1268ca66489311e0.rmeta --extern regex=/opt/rustwide/target/debug/deps/libregex-c79702e3bc96c0bf.rmeta --extern rkv=/opt/rustwide/target/debug/deps/librkv-f4fb7a4a697e8492.rmeta --extern rusqlite=/opt/rustwide/target/debug/deps/librusqlite-eafb9311fd2a2132.rmeta --extern schemars=/opt/rustwide/target/debug/deps/libschemars-e8366d5dd7772acd.rmeta --extern serde=/opt/rustwide/target/debug/deps/libserde-502d9ab89813fe1c.rmeta --extern serde_json=/opt/rustwide/target/debug/deps/libserde_json-c5a05347d2411094.rmeta --extern size_format=/opt/rustwide/target/debug/deps/libsize_format-5873b51aada8739e.rmeta --extern structopt=/opt/rustwide/target/debug/deps/libstructopt-01c3cda20516acb3.rmeta --extern tar=/opt/rustwide/target/debug/deps/libtar-ffb18e9edb4ca717.rmeta --extern tempfile=/opt/rustwide/target/debug/deps/libtempfile-7aae1d02678bb333.rmeta --extern tree_magic=/opt/rustwide/target/debug/deps/libtree_magic_mini-c24281ea48ae4541.rmeta --extern xz2=/opt/rustwide/target/debug/deps/libxz2-c311acda292c0fc1.rmeta --extern zip=/opt/rustwide/target/debug/deps/libzip-a9779c6dd16bacd9.rmeta --extern zstd=/opt/rustwide/target/debug/deps/libzstd-5486a45d285028af.rmeta --cap-lints=warn` (exit code: 1)
[INFO] [stdout] warning: the feature `specialization` is incomplete and may not be safe to use and/or cause compiler crashes
[INFO] [stdout]  --> src/lib.rs:3:12
[INFO] [stdout]   |
[INFO] [stdout] 3 | #![feature(specialization)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(incomplete_features)]` on by default
[INFO] [stdout]   = note: see issue #31844 <https://github.com/rust-lang/rust/issues/31844> for more information
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: unused import: `Context`
[INFO] [stdout]  --> src/adapters/custom.rs:6:14
[INFO] [stdout]   |
[INFO] [stdout] 6 | use anyhow::{Context, Result};
[INFO] [stdout]   |              ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `regex::Regex`
[INFO] [stdout]  --> src/adapters/spawning.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use regex::Regex;
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `CachingWriter`, `print_bytes`
[INFO] [stdout]  --> src/preproc.rs:4:13
[INFO] [stdout]   |
[INFO] [stdout] 4 | use crate::{print_bytes, print_dur, CachingWriter};
[INFO] [stdout]   |             ^^^^^^^^^^^             ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors; 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "8914dd36d31162564833c04ed6dd27ca64aff2439a872628908701b3362b34fd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8914dd36d31162564833c04ed6dd27ca64aff2439a872628908701b3362b34fd", kill_on_drop: false }`
[INFO] [stdout] 8914dd36d31162564833c04ed6dd27ca64aff2439a872628908701b3362b34fd