[INFO] cloning repository https://github.com/srijs/deps.rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/srijs/deps.rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsrijs%2Fdeps.rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsrijs%2Fdeps.rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c9ae182bf4add23c5a660b98e0fb89341c95f3d3
[INFO] documenting srijs/deps.rs 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%2Fsrijs%2Fdeps.rs" "/workspace/builds/worker-9/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/srijs/deps.rs 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/srijs/deps.rs
[INFO] removed path dependency badge from git repo https://github.com/srijs/deps.rs
[INFO] finished tweaking git repo https://github.com/srijs/deps.rs
[INFO] tweaked toml for git repo https://github.com/srijs/deps.rs written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate git repo https://github.com/srijs/deps.rs 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]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr] error: the lock file /workspace/builds/worker-9/source/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] [stderr] If you want to try to generate the lock file without accessing the network, use the --offline flag.
[INFO] the lockfile is outdated, regenerating it
[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] [stderr]     Blocking waiting for file lock on package cache
[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]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded semver v0.10.0
[INFO] [stderr]   Downloaded maud_htmlescape v0.17.0
[INFO] [stderr]   Downloaded slog-json v2.3.0
[INFO] [stderr]   Downloaded literalext v0.1.1
[INFO] [stderr]   Downloaded stb_truetype v0.2.8
[INFO] [stderr]   Downloaded toml v0.3.2
[INFO] [stderr]   Downloaded cadence v0.13.2
[INFO] [stderr]   Downloaded try_future v0.1.3
[INFO] [stderr]   Downloaded relative-path v0.3.7
[INFO] [stderr]   Downloaded maud_macros v0.17.5
[INFO] [stderr]   Downloaded maud v0.17.5
[INFO] [stderr]   Downloaded rustsec v0.6.0
[INFO] [stderr]   Downloaded hyper-tls v0.1.4
[INFO] [stderr]   Downloaded serde_urlencoded v0.4.3
[INFO] [stderr]   Downloaded shared_failure v0.1.0
[INFO] [stderr]   Downloaded badge v0.2.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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] 5f03c2ca16ee47fa54bf0aff9c14c93e1ea0a5a5c3de36041c63bc078f9b9b4a
[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" "5f03c2ca16ee47fa54bf0aff9c14c93e1ea0a5a5c3de36041c63bc078f9b9b4a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5f03c2ca16ee47fa54bf0aff9c14c93e1ea0a5a5c3de36041c63bc078f9b9b4a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5f03c2ca16ee47fa54bf0aff9c14c93e1ea0a5a5c3de36041c63bc078f9b9b4a", kill_on_drop: false }`
[INFO] [stdout] 5f03c2ca16ee47fa54bf0aff9c14c93e1ea0a5a5c3de36041c63bc078f9b9b4a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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] df7ad1974b4e50c3a1bc37cf46c8224cd0ad186a3505027889ae2295024399e8
[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" "df7ad1974b4e50c3a1bc37cf46c8224cd0ad186a3505027889ae2295024399e8", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.115
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]     Checking safemem v0.3.3
[INFO] [stderr]    Compiling openssl v0.9.24
[INFO] [stderr]     Checking bitflags v0.9.1
[INFO] [stderr]    Compiling syn v1.0.39
[INFO] [stderr]     Checking lazy_static v0.2.11
[INFO] [stderr]     Checking scoped-tls v0.1.2
[INFO] [stderr]     Checking serde v0.9.15
[INFO] [stderr]     Checking typeable v0.1.2
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking traitobject v0.1.0
[INFO] [stderr]    Compiling arrayvec v0.4.12
[INFO] [stderr]     Checking itoa v0.3.4
[INFO] [stderr]     Checking nodrop v0.1.14
[INFO] [stderr]    Compiling slog v2.5.2
[INFO] [stderr]     Checking take v0.1.0
[INFO] [stderr]     Checking semver-parser v0.7.0
[INFO] [stderr]     Checking antidote v1.0.0
[INFO] [stderr]     Checking smallvec v0.2.1
[INFO] [stderr]     Checking slab v0.3.0
[INFO] [stderr]     Checking try-lock v0.1.0
[INFO] [stderr]    Compiling maud_htmlescape v0.17.0
[INFO] [stderr]    Compiling matches v0.1.8
[INFO] [stderr]    Compiling literalext v0.1.1
[INFO] [stderr]     Checking itoa v0.4.6
[INFO] [stderr]     Checking crossbeam v0.2.12
[INFO] [stderr]     Checking route-recognizer v0.1.13
[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/literalext-0.1.1/src/lib.rs:19:37
[INFO] [stdout]    |
[INFO] [stdout] 19 | #![cfg_attr(feature = "proc-macro", feature(proc_macro))]
[INFO] [stdout]    |                                     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling memoffset v0.5.5
[INFO] [stderr]    Compiling num-traits v0.2.12
[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 `literalext`.
[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" "df7ad1974b4e50c3a1bc37cf46c8224cd0ad186a3505027889ae2295024399e8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "df7ad1974b4e50c3a1bc37cf46c8224cd0ad186a3505027889ae2295024399e8", kill_on_drop: false }`
[INFO] [stdout] df7ad1974b4e50c3a1bc37cf46c8224cd0ad186a3505027889ae2295024399e8