[INFO] cloning repository https://github.com/MagnificentPako/rust-sharex-server
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/MagnificentPako/rust-sharex-server" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMagnificentPako%2Frust-sharex-server", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMagnificentPako%2Frust-sharex-server'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 664fb38b3c2284af313c6c1dcc924345b6dd3601
[INFO] documenting MagnificentPako/rust-sharex-server against beta-2020-08-29 for beta-1.47-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMagnificentPako%2Frust-sharex-server" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/MagnificentPako/rust-sharex-server 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] started tweaking git repo https://github.com/MagnificentPako/rust-sharex-server
[INFO] finished tweaking git repo https://github.com/MagnificentPako/rust-sharex-server
[INFO] tweaked toml for git repo https://github.com/MagnificentPako/rust-sharex-server written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/MagnificentPako/rust-sharex-server already has a lockfile, it will not be regenerated
[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]  Downloading crates ...
[INFO] [stderr]   Downloaded typenum v1.5.2
[INFO] [stderr]   Downloaded generic-array v0.7.2
[INFO] [stderr]   Downloaded rocket_contrib v0.2.6
[INFO] [stderr]   Downloaded httparse v1.2.2
[INFO] [stderr]   Downloaded url v0.2.38
[INFO] [stderr]   Downloaded rocket v0.2.6
[INFO] [stderr]   Downloaded rocket_codegen v0.2.6
[INFO] [stderr]   Downloaded idna v0.1.1
[INFO] [stderr]   Downloaded safemem v0.1.1
[INFO] [stderr]   Downloaded cookie v0.6.1
[INFO] [stderr]   Downloaded state v0.2.1
[INFO] [stderr]   Downloaded hyper v0.10.9
[INFO] [stderr]   Downloaded handlebars v0.25.3
[INFO] [stderr]   Downloaded digest-buffer v0.3.0
[INFO] [stderr]   Downloaded serde v0.9.14
[INFO] [stderr]   Downloaded multipart v0.11.0
[INFO] [stderr]   Downloaded digest v0.5.0
[INFO] [stderr]   Downloaded byte-tools v0.1.3
[INFO] [stderr]   Downloaded sha2 v0.5.0
[INFO] [stderr]   Downloaded buf_redux v0.6.1
[INFO] [stderr]   Downloaded tiny_http v0.5.8
[INFO] [stderr]   Downloaded twoway v0.1.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] 20ad081c96a7837c39bbf42a74bc526475c8a3f43bd66f9f5a66650b9ee8b680
[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" "20ad081c96a7837c39bbf42a74bc526475c8a3f43bd66f9f5a66650b9ee8b680", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "20ad081c96a7837c39bbf42a74bc526475c8a3f43bd66f9f5a66650b9ee8b680", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "20ad081c96a7837c39bbf42a74bc526475c8a3f43bd66f9f5a66650b9ee8b680", kill_on_drop: false }`
[INFO] [stdout] 20ad081c96a7837c39bbf42a74bc526475c8a3f43bd66f9f5a66650b9ee8b680
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] e44c6451ded18a9cb84f6f3565ffc1e9d4743811189228e0e1c3612b2bb0a9da
[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" "e44c6451ded18a9cb84f6f3565ffc1e9d4743811189228e0e1c3612b2bb0a9da", kill_on_drop: false }`
[INFO] [stderr]     Checking libc v0.2.21
[INFO] [stderr]     Checking matches v0.1.4
[INFO] [stderr]     Checking log v0.3.7
[INFO] [stderr]     Checking rustc-serialize v0.3.23
[INFO] [stderr]     Checking unicode-normalization v0.1.4
[INFO] [stderr]     Checking traitobject v0.1.0
[INFO] [stderr]     Checking num-traits v0.1.37
[INFO] [stderr]    Compiling ansi_term v0.9.0
[INFO] [stderr]     Checking encoding_index_tests v0.1.4
[INFO] [stderr]    Compiling version_check v0.1.0
[INFO] [stderr]     Checking typeable v0.1.2
[INFO] [stderr]    Compiling siphasher v0.2.2
[INFO] [stderr]     Checking httparse v1.2.2
[INFO] [stderr]    Compiling typenum v1.5.2
[INFO] [stderr]     Checking lazy_static v0.2.8
[INFO] [stderr]    Compiling term v0.4.5
[INFO] [stderr]     Checking regex-syntax v0.4.0
[INFO] [stderr]    Compiling language-tags v0.2.2
[INFO] [stderr]     Checking utf8-ranges v1.0.0
[INFO] [stderr]     Checking dtoa v0.4.1
[INFO] [stderr]     Checking serde v0.9.14
[INFO] [stderr]     Checking itoa v0.3.1
[INFO] [stderr]     Checking state v0.2.1
[INFO] [stderr]     Checking pest v0.3.3
[INFO] [stderr]     Checking ascii v0.7.1
[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-0.2.1/src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(const_fn)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking chunked_transfer v0.3.1
[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 `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] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "e44c6451ded18a9cb84f6f3565ffc1e9d4743811189228e0e1c3612b2bb0a9da", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e44c6451ded18a9cb84f6f3565ffc1e9d4743811189228e0e1c3612b2bb0a9da", kill_on_drop: false }`
[INFO] [stdout] e44c6451ded18a9cb84f6f3565ffc1e9d4743811189228e0e1c3612b2bb0a9da