[INFO] cloning repository https://github.com/barzamin/abandoned
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/barzamin/abandoned" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbarzamin%2Fabandoned", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbarzamin%2Fabandoned'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c31c105407adedc8eaf38e3b90554eed927f3258
[INFO] documenting barzamin/abandoned 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%2Fbarzamin%2Fabandoned" "/workspace/builds/worker-8/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/barzamin/abandoned 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/barzamin/abandoned
[INFO] finished tweaking git repo https://github.com/barzamin/abandoned
[INFO] tweaked toml for git repo https://github.com/barzamin/abandoned written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/barzamin/abandoned 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]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded maud_htmlescape v0.17.0
[INFO] [stderr]   Downloaded proc-macro-error v0.4.11
[INFO] [stderr]   Downloaded proc-macro-error-attr v0.4.11
[INFO] [stderr]   Downloaded structopt v0.3.11
[INFO] [stderr]   Downloaded protobuf-codegen-pure v2.10.2
[INFO] [stderr]   Downloaded regex-syntax v0.6.16
[INFO] [stderr]   Downloaded maud_macros v0.21.0
[INFO] [stderr]   Downloaded maud v0.21.0
[INFO] [stderr]   Downloaded protobuf-codegen v2.10.2
[INFO] [stderr]   Downloaded ron v0.5.1
[INFO] [stderr]   Downloaded osmpbfreader v0.13.4
[INFO] [stderr]   Downloaded protobuf v2.10.2
[INFO] [stderr]   Downloaded structopt-derive v0.4.4
[INFO] [stderr]   Downloaded par-map v0.1.4
[INFO] [stderr]   Downloaded pub-iterator-type v0.1.1
[INFO] [stderr]   Downloaded flat_map v0.0.9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] [stdout] edc4f3041f911957f7887118c24135d8e1db0602aa654239b89c7e9132ea7c3a
[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" "edc4f3041f911957f7887118c24135d8e1db0602aa654239b89c7e9132ea7c3a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "edc4f3041f911957f7887118c24135d8e1db0602aa654239b89c7e9132ea7c3a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "edc4f3041f911957f7887118c24135d8e1db0602aa654239b89c7e9132ea7c3a", kill_on_drop: false }`
[INFO] [stdout] edc4f3041f911957f7887118c24135d8e1db0602aa654239b89c7e9132ea7c3a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] 0e44e0e08f6f84f45f40eb59a2fd01be3356c31df3b94918f5d14888dbe13bb2
[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" "0e44e0e08f6f84f45f40eb59a2fd01be3356c31df3b94918f5d14888dbe13bb2", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.16
[INFO] [stderr]    Compiling protobuf v2.10.2
[INFO] [stderr]    Compiling serde v1.0.104
[INFO] [stderr]     Checking futures v0.1.29
[INFO] [stderr]    Compiling maud_htmlescape v0.17.0
[INFO] [stderr]     Checking stable_deref_trait v1.1.1
[INFO] [stderr]     Checking pub-iterator-type v0.1.1
[INFO] [stderr]     Checking regex-syntax v0.6.16
[INFO] [stderr]    Compiling proc-macro-error-attr v0.4.11
[INFO] [stderr]    Compiling proc-macro-error v0.4.11
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]     Checking flate2 v1.0.13
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]     Checking futures-cpupool v0.1.8
[INFO] [stderr]     Checking par-map v0.1.4
[INFO] [stderr]     Checking regex v1.3.4
[INFO] [stderr]    Compiling maud_macros v0.21.0
[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/maud_macros-0.21.0/src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(proc_macro_def_site)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[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/maud_macros-0.21.0/src/lib.rs:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(proc_macro_diagnostic)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[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/maud_macros-0.21.0/src/lib.rs:3:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | #![feature(proc_macro_hygiene)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[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/maud_macros-0.21.0/src/lib.rs:4:1
[INFO] [stdout]   |
[INFO] [stdout] 4 | #![feature(proc_macro_quote)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[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/maud_macros-0.21.0/src/lib.rs:5:1
[INFO] [stdout]   |
[INFO] [stdout] 5 | #![feature(proc_macro_span)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 5 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `maud_macros`
[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" "0e44e0e08f6f84f45f40eb59a2fd01be3356c31df3b94918f5d14888dbe13bb2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0e44e0e08f6f84f45f40eb59a2fd01be3356c31df3b94918f5d14888dbe13bb2", kill_on_drop: false }`
[INFO] [stdout] 0e44e0e08f6f84f45f40eb59a2fd01be3356c31df3b94918f5d14888dbe13bb2
