[INFO] fetching crate arq 0.1.4...
[INFO] documenting arq-0.1.4 against beta-2020-08-29 for beta-1.47-rustdoc-1
[INFO] extracting crate arq 0.1.4 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate arq 0.1.4 on toolchain beta-2020-08-29
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-3/source/.cargo/config
[INFO] started tweaking crates.io crate arq 0.1.4
[INFO] finished tweaking crates.io crate arq 0.1.4
[INFO] tweaked toml for crates.io crate arq 0.1.4 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded hex-literal-impl v0.2.2
[INFO] [stderr]   Downloaded block-modes v0.4.0
[INFO] [stderr]   Downloaded pbkdf2 v0.4.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "+beta-2020-08-29" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 55e93d218d6e74bb25eebe9f1041c419a2570b78e0becbf914e6c912ab19e509
[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" "55e93d218d6e74bb25eebe9f1041c419a2570b78e0becbf914e6c912ab19e509", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "55e93d218d6e74bb25eebe9f1041c419a2570b78e0becbf914e6c912ab19e509", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "55e93d218d6e74bb25eebe9f1041c419a2570b78e0becbf914e6c912ab19e509", kill_on_drop: false }`
[INFO] [stdout] 55e93d218d6e74bb25eebe9f1041c419a2570b78e0becbf914e6c912ab19e509
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "+beta-2020-08-29" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 20e68018cd4f75d2d2d29b454f9e7eeb43384d56cab823486795bcf35002eb4b
[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" "20e68018cd4f75d2d2d29b454f9e7eeb43384d56cab823486795bcf35002eb4b", kill_on_drop: false }`
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]     Checking ppv-lite86 v0.2.9
[INFO] [stderr]    Compiling serde v1.0.115
[INFO] [stderr]     Checking base64 v0.12.3
[INFO] [stderr]     Checking byte-tools v0.3.1
[INFO] [stderr]     Checking untrusted v0.7.1
[INFO] [stderr]     Checking xml-rs v0.8.3
[INFO] [stderr]     Checking block-padding v0.2.1
[INFO] [stderr]    Compiling ring v0.16.15
[INFO] [stderr]    Compiling lz4-sys v1.9.2
[INFO] [stderr]     Checking line-wrap v0.1.1
[INFO] [stderr]    Compiling hex-literal-impl v0.2.2
[INFO] [stderr]     Checking chrono v0.4.15
[INFO] [stderr]    Compiling serde_derive v1.0.115
[INFO] [stderr]     Checking stream-cipher v0.4.1
[INFO] [stderr]     Checking sha-1 v0.9.1
[INFO] [stderr]     Checking block-padding v0.1.5
[INFO] [stderr]     Checking aesni v0.7.0
[INFO] [stderr]     Checking block-modes v0.4.0
[INFO] [stdout] error: enable aes and ssse3 target features, e.g. with RUSTFLAGS="-C target-feature=+aes,+ssse3" enviromental variable. For x86 target arch additionally enable sse2 target feature.
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/aesni-0.7.0/src/target_checks.rs:13:1
[INFO] [stdout]    |
[INFO] [stdout] 13 | / compile_error!(
[INFO] [stdout] 14 | |     "enable aes and ssse3 target features, e.g. with \
[INFO] [stdout] 15 | |     RUSTFLAGS=\"-C target-feature=+aes,+ssse3\" enviromental variable. \
[INFO] [stdout] 16 | |     For x86 target arch additionally enable sse2 target feature."
[INFO] [stdout] 17 | | );
[INFO] [stdout]    | |__^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `aesni`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "20e68018cd4f75d2d2d29b454f9e7eeb43384d56cab823486795bcf35002eb4b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "20e68018cd4f75d2d2d29b454f9e7eeb43384d56cab823486795bcf35002eb4b", kill_on_drop: false }`
[INFO] [stdout] 20e68018cd4f75d2d2d29b454f9e7eeb43384d56cab823486795bcf35002eb4b