[INFO] cloning repository https://github.com/CryptArchy/babylon
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/CryptArchy/babylon" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCryptArchy%2Fbabylon", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCryptArchy%2Fbabylon'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3ec240a7c052b8ee949b33eb3ba8511dd54a75de
[INFO] documenting CryptArchy/babylon 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%2FCryptArchy%2Fbabylon" "/workspace/builds/worker-5/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/CryptArchy/babylon 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/CryptArchy/babylon
[INFO] finished tweaking git repo https://github.com/CryptArchy/babylon
[INFO] tweaked toml for git repo https://github.com/CryptArchy/babylon written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/CryptArchy/babylon 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]  Downloading crates ...
[INFO] [stderr]   Downloaded serde-value v0.2.1
[INFO] [stderr]   Downloaded log4rs v0.4.8
[INFO] [stderr]   Downloaded data-encoding v1.1.2
[INFO] [stderr]   Downloaded error-type v0.1.2
[INFO] [stderr]   Downloaded clap v2.18.0
[INFO] [stderr]   Downloaded ordered-float v0.1.0
[INFO] [stderr]   Downloaded humantime v0.1.3
[INFO] [stderr]   Downloaded version v2.0.1
[INFO] [stderr]   Downloaded redux v0.1.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] 783d972d37b35cc65757b481128b4abee322490a8d270b3da08ca8f7eb5e6fde
[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" "783d972d37b35cc65757b481128b4abee322490a8d270b3da08ca8f7eb5e6fde", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "783d972d37b35cc65757b481128b4abee322490a8d270b3da08ca8f7eb5e6fde", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "783d972d37b35cc65757b481128b4abee322490a8d270b3da08ca8f7eb5e6fde", kill_on_drop: false }`
[INFO] [stdout] 783d972d37b35cc65757b481128b4abee322490a8d270b3da08ca8f7eb5e6fde
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 8ab7bda610b71f7dcfcd3169ba62a42f50dd91589259ea7d99840ffe0cd1ce1f
[INFO] running `Command { std: "docker" "start" "-a" "8ab7bda610b71f7dcfcd3169ba62a42f50dd91589259ea7d99840ffe0cd1ce1f", kill_on_drop: false }`
[INFO] [stderr]     Checking num-traits v0.1.36
[INFO] [stderr]     Checking traitobject v0.0.3
[INFO] [stderr]     Checking serde v0.7.15
[INFO] [stderr]     Checking quick-error v1.1.0
[INFO] [stderr]     Checking log v0.3.6
[INFO] [stderr]     Checking vec_map v0.6.0
[INFO] [stderr]     Checking crossbeam v0.2.10
[INFO] [stderr]     Checking unicode-segmentation v0.1.2
[INFO] [stderr]     Checking unicode-width v0.1.3
[INFO] [stderr]     Checking strsim v0.5.1
[INFO] [stderr]     Checking redux v0.1.0
[INFO] [stderr]     Checking error-type v0.1.2
[INFO] [stderr]     Checking data-encoding v1.1.2
[INFO] [stderr]     Checking version v2.0.1
[INFO] [stderr]     Checking term_size v0.2.1
[INFO] [stderr]     Checking unsafe-any v0.4.1
[INFO] [stderr]     Checking humantime v0.1.3
[INFO] [stderr]     Checking time v0.1.35
[INFO] [stderr]     Checking typemap v0.3.3
[INFO] [stderr]     Checking clap v2.18.0
[INFO] [stdout] error: missing fragment specifier
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/clap-2.18.0/src/macros.rs:510:41
[INFO] [stdout]     |
[INFO] [stdout] 510 |     (@arg ($arg:expr) $modes:tt !$ident $($tail:tt)*) => {
[INFO] [stdout]     |                                         ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking num-integer v0.1.32
[INFO] [stderr]     Checking num-iter v0.1.32
[INFO] [stderr]     Checking num v0.1.36
[INFO] [stderr]     Checking ordered-float v0.1.0
[INFO] [stderr]     Checking chrono v0.2.25
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `clap`.
[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" "8ab7bda610b71f7dcfcd3169ba62a42f50dd91589259ea7d99840ffe0cd1ce1f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8ab7bda610b71f7dcfcd3169ba62a42f50dd91589259ea7d99840ffe0cd1ce1f", kill_on_drop: false }`
[INFO] [stdout] 8ab7bda610b71f7dcfcd3169ba62a42f50dd91589259ea7d99840ffe0cd1ce1f