[INFO] cloning repository https://github.com/SnapLock/facelock-backend
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/SnapLock/facelock-backend" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSnapLock%2Ffacelock-backend", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSnapLock%2Ffacelock-backend'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 69fd48ba8ee086a7b83be0d1444c3faf76ac4dba
[INFO] documenting SnapLock/facelock-backend against beta-2020-10-09 for beta-1.48-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSnapLock%2Ffacelock-backend" "/workspace/builds/worker-10/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-10/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/SnapLock/facelock-backend on toolchain beta-2020-10-09
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/SnapLock/facelock-backend
[INFO] finished tweaking git repo https://github.com/SnapLock/facelock-backend
[INFO] tweaked toml for git repo https://github.com/SnapLock/facelock-backend written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] crate git repo https://github.com/SnapLock/facelock-backend already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded tiny_http v0.5.8
[INFO] [stderr]   Downloaded cookie v0.6.2
[INFO] [stderr]   Downloaded redox_syscall v0.1.18
[INFO] [stderr]   Downloaded hyper v0.10.12
[INFO] [stderr]   Downloaded ascii v0.7.1
[INFO] [stderr]   Downloaded safemem v0.1.1
[INFO] [stderr]   Downloaded rocket v0.2.8
[INFO] [stderr]   Downloaded url v0.2.38
[INFO] [stderr]   Downloaded state v0.2.2
[INFO] [stderr]   Downloaded rocket_codegen v0.2.8
[INFO] [stderr]   Downloaded buf_redux v0.6.1
[INFO] [stderr]   Downloaded mime_guess v1.8.1
[INFO] [stderr]   Downloaded uuid v0.1.18
[INFO] [stderr]   Downloaded num-traits v0.1.39
[INFO] [stderr]   Downloaded num v0.1.39
[INFO] [stderr]   Downloaded version_check v0.1.2
[INFO] [stderr]   Downloaded twoway v0.1.3
[INFO] [stderr]   Downloaded multipart v0.13.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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-2020-10-09" "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] 0b5c18e75e052c59bfb7311cb71ea2b77daa5246d7a746f7d159faf29d43a53e
[INFO] running `Command { std: "docker" "start" "-a" "0b5c18e75e052c59bfb7311cb71ea2b77daa5246d7a746f7d159faf29d43a53e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0b5c18e75e052c59bfb7311cb71ea2b77daa5246d7a746f7d159faf29d43a53e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0b5c18e75e052c59bfb7311cb71ea2b77daa5246d7a746f7d159faf29d43a53e", kill_on_drop: false }`
[INFO] [stdout] 0b5c18e75e052c59bfb7311cb71ea2b77daa5246d7a746f7d159faf29d43a53e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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-2020-10-09" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 275f0f00ae301bc7b2f9a95cf3520c0aea5604192f57e452f4b15903e54b9606
[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" "275f0f00ae301bc7b2f9a95cf3520c0aea5604192f57e452f4b15903e54b9606", kill_on_drop: false }`
[INFO] [stderr]    Compiling ansi_term v0.9.0
[INFO] [stderr]    Compiling percent-encoding v1.0.0
[INFO] [stderr]    Compiling log v0.3.8
[INFO] [stderr]    Compiling httparse v1.2.3
[INFO] [stderr]     Checking safemem v0.1.1
[INFO] [stderr]    Compiling state v0.2.2
[INFO] [stderr]     Checking toml v0.2.1
[INFO] [stderr]     Checking time v0.1.37
[INFO] [stderr]    Compiling rand v0.3.15
[INFO] [stderr]     Checking num_cpus v1.6.2
[INFO] [stderr]     Checking memchr v0.1.11
[INFO] [stderr]    Compiling memchr 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/state-0.2.2/src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(const_fn)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[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] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/state-0.2.2/src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(const_fn)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `state`
[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] [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: build failed
[INFO] running `Command { std: "docker" "inspect" "275f0f00ae301bc7b2f9a95cf3520c0aea5604192f57e452f4b15903e54b9606", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "275f0f00ae301bc7b2f9a95cf3520c0aea5604192f57e452f4b15903e54b9606", kill_on_drop: false }`
[INFO] [stdout] 275f0f00ae301bc7b2f9a95cf3520c0aea5604192f57e452f4b15903e54b9606
