[INFO] cloning repository https://github.com/jneumann/Rust-RSS-Reader
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jneumann/Rust-RSS-Reader" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjneumann%2FRust-RSS-Reader", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjneumann%2FRust-RSS-Reader'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 90935ac7313e5bd7b40ebeb8374f9786654254b4
[INFO] documenting jneumann/Rust-RSS-Reader against 1.46.0 for beta-1.47-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjneumann%2FRust-RSS-Reader" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jneumann/Rust-RSS-Reader on toolchain 1.46.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.46.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/jneumann/Rust-RSS-Reader
[INFO] finished tweaking git repo https://github.com/jneumann/Rust-RSS-Reader
[INFO] tweaked toml for git repo https://github.com/jneumann/Rust-RSS-Reader written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/jneumann/Rust-RSS-Reader already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.46.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+1.46.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ef88f172675f98d56943281df721e71f7c205dd404e77f1979e7fb72853dc443
[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" "ef88f172675f98d56943281df721e71f7c205dd404e77f1979e7fb72853dc443", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ef88f172675f98d56943281df721e71f7c205dd404e77f1979e7fb72853dc443", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ef88f172675f98d56943281df721e71f7c205dd404e77f1979e7fb72853dc443", kill_on_drop: false }`
[INFO] [stdout] ef88f172675f98d56943281df721e71f7c205dd404e77f1979e7fb72853dc443
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+1.46.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 79995f278e3d20373d72e34d7c46f762fb0085a15cc4737958b12d8f235d9f36
[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" "79995f278e3d20373d72e34d7c46f762fb0085a15cc4737958b12d8f235d9f36", kill_on_drop: false }`
[INFO] [stderr]    Compiling gcc v0.3.46
[INFO] [stderr]     Checking libc v0.2.22
[INFO] [stderr]    Compiling semver v0.1.20
[INFO] [stderr]     Checking matches v0.1.4
[INFO] [stderr]     Checking num-traits v0.1.39
[INFO] [stderr]     Checking unicode-normalization v0.1.4
[INFO] [stderr]    Compiling openssl v0.9.12
[INFO] [stderr]     Checking byteorder v1.0.0
[INFO] [stderr]     Checking log v0.3.7
[INFO] [stderr]     Checking bitflags v0.8.2
[INFO] [stderr]     Checking lazy_static v0.2.8
[INFO] [stderr]     Checking cfg-if v0.1.1
[INFO] [stderr]     Checking foreign-types v0.2.0
[INFO] [stderr]     Checking rustc-demangle v0.1.4
[INFO] [stderr]     Checking dtoa v0.4.1
[INFO] [stderr]     Checking httparse v1.2.2
[INFO] [stderr]     Checking itoa v0.3.1
[INFO] [stderr]     Checking serde v1.0.9
[INFO] [stderr]     Checking antidote v1.0.0
[INFO] [stderr]     Checking openssl-probe v0.1.1
[INFO] [stderr]     Checking encoding_rs v0.6.11
[INFO] [stderr]     Checking unicode-bidi v0.2.5
[INFO] [stderr]     Checking xml-rs v0.4.1
[INFO] [stderr]     Checking mime v0.2.4
[INFO] [stderr]     Checking base64 v0.5.2
[INFO] [stderr]     Checking libflate v0.1.8
[INFO] [stderr]     Checking num-integer v0.1.34
[INFO] [stderr]    Compiling rustc_version v0.1.7
[INFO] [stdout] error[E0214]: parenthesized type parameters may only be used with a `Fn` trait
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/encoding_rs-0.6.11/src/utf_16.rs:33:44
[INFO] [stdout]    |
[INFO] [stdout] 33 |     pub fn additional_from_state(&self) -> usize() {
[INFO] [stdout]    |                                            ^^^^^^^ only `Fn` traits may use parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking time v0.1.37
[INFO] [stderr]     Checking num_cpus v1.4.0
[INFO] [stderr]     Checking num-iter v0.1.33
[INFO] [stderr]     Checking num v0.1.39
[INFO] [stderr]    Compiling unicase v1.4.0
[INFO] [stderr]    Compiling hyper v0.10.10
[INFO] [stderr]    Compiling unicase v2.0.0
[INFO] [stderr]    Compiling openssl-sys v0.9.12
[INFO] [stderr]    Compiling backtrace-sys v0.1.11
[INFO] [stderr]    Compiling libz-sys v1.0.13
[INFO] [stderr]    Compiling curl-sys v0.3.11
[INFO] [stderr]     Checking chrono v0.4.0
[INFO] [stderr]     Checking idna v0.1.1
[INFO] [stderr]     Checking mime v0.3.2
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0214`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `encoding_rs`.
[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" "79995f278e3d20373d72e34d7c46f762fb0085a15cc4737958b12d8f235d9f36", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "79995f278e3d20373d72e34d7c46f762fb0085a15cc4737958b12d8f235d9f36", kill_on_drop: false }`
[INFO] [stdout] 79995f278e3d20373d72e34d7c46f762fb0085a15cc4737958b12d8f235d9f36