[INFO] cloning repository https://github.com/acmcarther/next_space_coop
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/acmcarther/next_space_coop" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Facmcarther%2Fnext_space_coop", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Facmcarther%2Fnext_space_coop'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 05828fa3281ff433093bbd1abadeed69503cc729
[INFO] documenting acmcarther/next_space_coop 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%2Facmcarther%2Fnext_space_coop" "/workspace/builds/worker-3/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/acmcarther/next_space_coop 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/acmcarther/next_space_coop
[INFO] finished tweaking git repo https://github.com/acmcarther/next_space_coop
[INFO] tweaked toml for git repo https://github.com/acmcarther/next_space_coop written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/acmcarther/next_space_coop 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 siphasher v0.2.1
[INFO] [stderr]   Downloaded serde v0.9.7
[INFO] [stderr]   Downloaded lazycell v0.4.0
[INFO] [stderr]   Downloaded env_logger v0.4.0
[INFO] [stderr]   Downloaded gaffer_udp v0.1.4
[INFO] [stderr]   Downloaded term_size v0.2.2
[INFO] [stderr]   Downloaded itertools v0.5.9
[INFO] [stderr]   Downloaded nphysics3d v0.5.0
[INFO] [stderr]   Downloaded clap v2.20.3
[INFO] [stderr]   Downloaded libloading v0.3.2
[INFO] [stderr]   Downloaded protobuf v1.2.1
[INFO] [stderr]   Downloaded atom v0.3.4
[INFO] [stderr]   Downloaded miow v0.2.0
[INFO] [stderr]   Downloaded mio v0.6.4
[INFO] [stderr]   Downloaded either v1.0.3
[INFO] [stderr]   Downloaded serde_json v0.9.6
[INFO] [stderr]   Downloaded threadpool v1.3.2
[INFO] [stderr]   Downloaded ncollide_geometry v0.2.0
[INFO] [stderr]   Downloaded nalgebra v0.9.0
[INFO] [stderr]   Downloaded ncollide_pipeline v0.9.0
[INFO] [stderr]   Downloaded ncollide v0.10.0
[INFO] [stderr]   Downloaded ncollide_math v0.5.0
[INFO] [stderr]   Downloaded ncollide_transformation v0.5.0
[INFO] [stderr]   Downloaded ash v0.14.2
[INFO] [stderr]   Downloaded capnp v0.7.5
[INFO] [stderr]   Downloaded specs v0.7.1
[INFO] [stderr]   Downloaded ncollide_procedural v0.5.0
[INFO] [stderr]   Downloaded ncollide_utils v0.5.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] 58449f93c094db947f38e8e4374cc390959377da75bda2b8c6a9d552db3e1e1e
[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" "58449f93c094db947f38e8e4374cc390959377da75bda2b8c6a9d552db3e1e1e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "58449f93c094db947f38e8e4374cc390959377da75bda2b8c6a9d552db3e1e1e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "58449f93c094db947f38e8e4374cc390959377da75bda2b8c6a9d552db3e1e1e", kill_on_drop: false }`
[INFO] [stdout] 58449f93c094db947f38e8e4374cc390959377da75bda2b8c6a9d552db3e1e1e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] f931e9619b6f6dea00ecdfeb07737f5b579bc218f6780e9abb18112a8ea87117
[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" "f931e9619b6f6dea00ecdfeb07737f5b579bc218f6780e9abb18112a8ea87117", kill_on_drop: false }`
[INFO] [stderr]    Compiling siphasher v0.2.1
[INFO] [stderr]    Compiling serde v0.9.7
[INFO] [stderr]     Checking lazycell v0.4.0
[INFO] [stderr]     Checking either v1.0.3
[INFO] [stderr]     Checking threadpool v1.3.2
[INFO] [stderr]     Checking error-chain v0.8.1
[INFO] [stderr]     Checking protobuf v1.2.1
[INFO] [stderr]     Checking fern v0.3.5
[INFO] [stderr]     Checking thread-id v3.0.0
[INFO] [stderr]     Checking memchr v1.0.1
[INFO] [stderr]     Checking net2 v0.2.26
[INFO] [stderr]     Checking term_size v0.2.2
[INFO] [stderr]     Checking num-complex v0.1.35
[INFO] [stderr]     Checking capnp v0.7.5
[INFO] [stderr]     Checking pulse v0.5.3
[INFO] [stderr]     Checking ash v0.14.2
[INFO] [stderr]     Checking itertools v0.5.9
[INFO] [stderr]     Checking thread_local v0.3.2
[INFO] [stderr]     Checking clap v2.20.3
[INFO] [stderr]     Checking aho-corasick v0.6.2
[INFO] [stderr]     Checking specs v0.7.1
[INFO] [stderr]     Checking mio v0.6.4
[INFO] [stderr]    Compiling phf_shared v0.7.21
[INFO] [stdout] error: missing fragment specifier
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/clap-2.20.3/src/macros.rs:628:41
[INFO] [stdout]     |
[INFO] [stdout] 628 |     (@arg ($arg:expr) $modes:tt !$ident $($tail:tt)*) => {
[INFO] [stdout]     |                                         ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling phf_generator v0.7.21
[INFO] [stderr]    Compiling phf v0.7.21
[INFO] [stderr]     Checking regex v0.2.1
[INFO] [stderr]     Checking num v0.1.36
[INFO] [stdout] error[E0502]: cannot borrow `*reff` as immutable because it is also borrowed as mutable
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/capnp-0.7.5/src/private/layout.rs:643:47
[INFO] [stdout]     |
[INFO] [stdout] 643 |         let ptr = try!(follow_fars(&mut reff, (*reff).target(), &mut segment));
[INFO] [stdout]     |                        ----------- ---------  ^^^^^^^ immutable borrow occurs here
[INFO] [stdout]     |                        |           |
[INFO] [stdout]     |                        |           mutable borrow occurs here
[INFO] [stdout]     |                        mutable borrow later used by call
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0502`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `capnp`.
[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] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "f931e9619b6f6dea00ecdfeb07737f5b579bc218f6780e9abb18112a8ea87117", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f931e9619b6f6dea00ecdfeb07737f5b579bc218f6780e9abb18112a8ea87117", kill_on_drop: false }`
[INFO] [stdout] f931e9619b6f6dea00ecdfeb07737f5b579bc218f6780e9abb18112a8ea87117