[INFO] cloning repository https://github.com/FabioBatSilva/xpq
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/FabioBatSilva/xpq" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFabioBatSilva%2Fxpq", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFabioBatSilva%2Fxpq'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4a11065dfc97b633d8af2edf9c27d2e14c1007eb
[INFO] documenting FabioBatSilva/xpq against beta-2021-08-01 for beta-1.55-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFabioBatSilva%2Fxpq" "/workspace/builds/worker-104/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-104/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/FabioBatSilva/xpq on toolchain beta-2021-08-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-104/source/rust-toolchain
[INFO] started tweaking git repo https://github.com/FabioBatSilva/xpq
[INFO] finished tweaking git repo https://github.com/FabioBatSilva/xpq
[INFO] tweaked toml for git repo https://github.com/FabioBatSilva/xpq written to /workspace/builds/worker-104/source/Cargo.toml
[INFO] crate git repo https://github.com/FabioBatSilva/xpq already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "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 thrift v0.13.0
[INFO] [stderr]   Downloaded lz4 v1.23.2
[INFO] [stderr]   Downloaded num v0.3.0
[INFO] [stderr]   Downloaded flatbuffers v0.6.1
[INFO] [stderr]   Downloaded lz4-sys v1.9.2
[INFO] [stderr]   Downloaded arrow v1.0.1
[INFO] [stderr]   Downloaded num-bigint v0.3.0
[INFO] [stderr]   Downloaded num-rational v0.3.1
[INFO] [stderr]   Downloaded streaming-stats v0.2.3
[INFO] [stderr]   Downloaded parquet v1.0.1
[INFO] [stderr]   Downloaded integer-encoding v1.1.5
[INFO] [stderr]   Downloaded snap v1.0.1
[INFO] [stderr]   Downloaded parquet-format v2.6.1
[INFO] [stderr]   Downloaded tabwriter v1.2.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-104/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-104/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 856a288f5c6e65efb0b61f6530dfaceabac2ea6f62d86923c2cbef004d4e0fea
[INFO] running `Command { std: "docker" "start" "-a" "856a288f5c6e65efb0b61f6530dfaceabac2ea6f62d86923c2cbef004d4e0fea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "856a288f5c6e65efb0b61f6530dfaceabac2ea6f62d86923c2cbef004d4e0fea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "856a288f5c6e65efb0b61f6530dfaceabac2ea6f62d86923c2cbef004d4e0fea", kill_on_drop: false }`
[INFO] [stdout] 856a288f5c6e65efb0b61f6530dfaceabac2ea6f62d86923c2cbef004d4e0fea
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-104/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-104/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fab82c80c14500d3dd79750704270cb2db7ce8d6e67111aed8eeebf87cb89ed2
[INFO] running `Command { std: "docker" "start" "-a" "fab82c80c14500d3dd79750704270cb2db7ce8d6e67111aed8eeebf87cb89ed2", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.80
[INFO] [stderr]    Compiling getrandom v0.1.15
[INFO] [stderr]    Compiling serde v1.0.117
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]    Compiling glob v0.3.0
[INFO] [stderr]    Compiling syn v1.0.48
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]    Compiling serde_json v1.0.59
[INFO] [stderr]     Checking itoa v0.4.6
[INFO] [stderr]     Checking ppv-lite86 v0.2.9
[INFO] [stderr]    Compiling crc32fast v1.2.1
[INFO] [stderr]    Compiling serde_derive v1.0.117
[INFO] [stderr]     Checking alloc-no-stdlib v2.0.1
[INFO] [stderr]    Compiling snap v1.0.1
[INFO] [stderr]     Checking integer-encoding v1.1.5
[INFO] [stderr]    Compiling parquet v1.0.1
[INFO] [stderr]     Checking same-file v1.0.6
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling num-bigint v0.3.0
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]    Compiling num-rational v0.3.1
[INFO] [stderr]    Compiling miniz_oxide v0.4.3
[INFO] [stderr]     Checking flatbuffers v0.6.1
[INFO] [stderr]     Checking tabwriter v1.2.1
[INFO] [stderr]     Checking aho-corasick v0.7.14
[INFO] [stderr]    Compiling itertools v0.9.0
[INFO] [stderr]     Checking alloc-stdlib v0.2.1
[INFO] [stderr]     Checking walkdir v2.3.1
[INFO] [stderr]     Checking regex v1.4.2
[INFO] [stderr]     Checking brotli-decompressor v2.3.1
[INFO] [stderr]     Checking brotli v3.3.0
[INFO] [stderr]    Compiling jobserver v0.1.21
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking threadpool v1.8.1
[INFO] [stderr]    Compiling cc v1.0.61
[INFO] [stderr]     Checking ordered-float v1.1.0
[INFO] [stderr]     Checking num-complex v0.3.1
[INFO] [stderr]     Checking streaming-stats v0.2.3
[INFO] [stderr]     Checking flate2 v1.0.18
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking bstr v0.2.14
[INFO] [stderr]     Checking thrift v0.13.0
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking csv v1.1.3
[INFO] [stderr]    Compiling zstd-sys v1.4.17+zstd.1.4.5
[INFO] [stderr]    Compiling lz4-sys v1.9.2
[INFO] [stderr]     Checking parquet-format v2.6.1
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking num v0.3.0
[INFO] [stderr]     Checking arrow v1.0.1
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/arrow-1.0.1/src/lib.rs:24:1
[INFO] [stdout]    |
[INFO] [stdout] 24 | #![feature(specialization)]
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking lz4 v1.23.2
[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 `arrow` due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "fab82c80c14500d3dd79750704270cb2db7ce8d6e67111aed8eeebf87cb89ed2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fab82c80c14500d3dd79750704270cb2db7ce8d6e67111aed8eeebf87cb89ed2", kill_on_drop: false }`
[INFO] [stdout] fab82c80c14500d3dd79750704270cb2db7ce8d6e67111aed8eeebf87cb89ed2
