[INFO] cloning repository https://github.com/PaulGrandperrin/redis-reindex
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/PaulGrandperrin/redis-reindex" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPaulGrandperrin%2Fredis-reindex", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPaulGrandperrin%2Fredis-reindex'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 348739275c0d6ea62ed92f843b15285c14525a16
[INFO] documenting PaulGrandperrin/redis-reindex against beta-2022-05-20 for beta-1.62-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPaulGrandperrin%2Fredis-reindex" "/workspace/builds/worker-28/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-28/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/PaulGrandperrin/redis-reindex on toolchain beta-2022-05-20
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-05-20" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/PaulGrandperrin/redis-reindex
[INFO] finished tweaking git repo https://github.com/PaulGrandperrin/redis-reindex
[INFO] tweaked toml for git repo https://github.com/PaulGrandperrin/redis-reindex written to /workspace/builds/worker-28/source/Cargo.toml
[INFO] crate git repo https://github.com/PaulGrandperrin/redis-reindex already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-05-20" "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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/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" "+beta-2022-05-20" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] eff10875d17fd49ca42937291cfa7a6c5cfb7b3f7b2871dcdcf2f48add6400ba
[INFO] running `Command { std: "docker" "start" "-a" "eff10875d17fd49ca42937291cfa7a6c5cfb7b3f7b2871dcdcf2f48add6400ba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "eff10875d17fd49ca42937291cfa7a6c5cfb7b3f7b2871dcdcf2f48add6400ba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eff10875d17fd49ca42937291cfa7a6c5cfb7b3f7b2871dcdcf2f48add6400ba", kill_on_drop: false }`
[INFO] [stdout] eff10875d17fd49ca42937291cfa7a6c5cfb7b3f7b2871dcdcf2f48add6400ba
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/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" "+beta-2022-05-20" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 97d7aef0ece619693a70917a37c373c3a99b8db554bf589344e7bf586661540d
[INFO] running `Command { std: "docker" "start" "-a" "97d7aef0ece619693a70917a37c373c3a99b8db554bf589344e7bf586661540d", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling libc v0.2.66
[INFO] [stderr]    Compiling autocfg v0.1.7
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]     Checking slab v0.4.2
[INFO] [stderr]    Compiling proc-macro2 v1.0.7
[INFO] [stderr]    Compiling memchr v2.3.0
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling cc v1.0.50
[INFO] [stderr]    Compiling syn v1.0.13
[INFO] [stderr]     Checking futures-core v0.3.1
[INFO] [stderr]    Compiling byteorder v1.3.2
[INFO] [stderr]     Checking scopeguard v1.0.0
[INFO] [stderr]     Checking smallvec v1.1.0
[INFO] [stderr]     Checking either v1.5.3
[INFO] [stderr]     Checking futures-sink v0.3.1
[INFO] [stderr]     Checking matches v0.1.8
[INFO] [stderr]    Compiling rayon-core v1.7.0
[INFO] [stderr]     Checking futures-task v0.3.1
[INFO] [stderr]    Compiling failure_derive v0.1.6
[INFO] [stderr]     Checking pin-project-lite v0.1.2
[INFO] [stderr]     Checking pin-utils v0.1.0-alpha.4
[INFO] [stderr]     Checking fnv v1.0.6
[INFO] [stderr]     Checking bytes v0.5.3
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking rustc-demangle v0.1.16
[INFO] [stderr]     Checking ascii v0.9.3
[INFO] [stderr]     Checking dtoa v0.4.4
[INFO] [stderr]     Checking sha1 v0.6.0
[INFO] [stderr]     Checking itoa v0.4.4
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]     Checking unreachable v1.0.0
[INFO] [stderr]     Checking unicode-bidi v0.3.4
[INFO] [stderr]     Checking futures-util v0.3.1
[INFO] [stderr]     Checking unicode-normalization v0.1.11
[INFO] [stderr]     Checking itertools v0.8.2
[INFO] [stderr]    Compiling crossbeam-utils v0.7.0
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.0
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling backtrace-sys v0.1.32
[INFO] [stderr]    Compiling memoffset v0.5.3
[INFO] [stderr]     Checking net2 v0.2.33
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking num_cpus v1.11.1
[INFO] [stderr]     Checking combine v3.8.1
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]     Checking idna v0.2.0
[INFO] [stderr]     Checking mio v0.6.21
[INFO] [stderr]     Checking crossbeam-queue v0.2.1
[INFO] [stderr]     Checking crossbeam-channel v0.4.0
[INFO] [stderr]     Checking url v2.1.1
[INFO] [stderr]     Checking mio-uds v0.6.7
[INFO] [stderr]     Checking futures-executor v0.3.1
[INFO] [stderr]     Checking crossbeam-deque v0.7.2
[INFO] [stderr]     Checking tokio v0.2.9
[INFO] [stderr]     Checking backtrace v0.3.40
[INFO] [stderr]     Checking rayon v1.3.0
[INFO] [stderr]     Checking tokio-util v0.2.0
[INFO] [stderr]    Compiling synstructure v0.12.3
[INFO] [stderr]     Checking redis v0.14.0
[INFO] [stderr]     Checking failure v0.1.6
[INFO] [stderr]  Documenting redis-reindex v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/main.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(slice_patterns)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove the attribute
[INFO] [stdout]   |
[INFO] [stdout]   = help: the feature `slice_patterns` has been stable since 1.42.0 and no longer requires an attribute to enable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: Compilation failed, aborting rustdoc
[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 `redis-reindex`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type bin --crate-name redis_reindex src/main.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items '-Arustdoc::private-intra-doc-links' -C metadata=29f52549ae13512a -L dependency=/opt/rustwide/target/debug/deps --extern crossbeam_channel=/opt/rustwide/target/debug/deps/libcrossbeam_channel-f39403dc9431b029.rmeta --extern crossbeam_utils=/opt/rustwide/target/debug/deps/libcrossbeam_utils-c4c170b519f1d3e9.rmeta --extern failure=/opt/rustwide/target/debug/deps/libfailure-dd871754f0e5d70b.rmeta --extern itertools=/opt/rustwide/target/debug/deps/libitertools-3436a52b26664e00.rmeta --extern rayon=/opt/rustwide/target/debug/deps/librayon-e6acd0ef33802a1a.rmeta --extern redis=/opt/rustwide/target/debug/deps/libredis-417fed96ca21dede.rmeta --cap-lints=warn --crate-version 0.1.0` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "97d7aef0ece619693a70917a37c373c3a99b8db554bf589344e7bf586661540d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "97d7aef0ece619693a70917a37c373c3a99b8db554bf589344e7bf586661540d", kill_on_drop: false }`
[INFO] [stdout] 97d7aef0ece619693a70917a37c373c3a99b8db554bf589344e7bf586661540d