[INFO] cloning repository https://github.com/brdgme/api
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/brdgme/api" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbrdgme%2Fapi", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbrdgme%2Fapi'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ec326e9e527a07c836fc0cf541a30461eb05fa97
[INFO] documenting brdgme/api 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%2Fbrdgme%2Fapi" "/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/brdgme/api 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/brdgme/api
[INFO] finished tweaking git repo https://github.com/brdgme/api
[INFO] tweaked toml for git repo https://github.com/brdgme/api written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate git repo https://github.com/brdgme/api 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]  Downloading crates ...
[INFO] [stderr]   Downloaded state v0.3.2
[INFO] [stderr]   Downloaded uuid v0.4.0
[INFO] [stderr]   Downloaded redis v0.8.0
[INFO] [stderr]   Downloaded openssl-sys v0.9.23
[INFO] [stderr]   Downloaded regex v0.2.3
[INFO] [stderr]   Downloaded email v0.0.17
[INFO] [stderr]   Downloaded rocket_codegen v0.3.3
[INFO] [stderr]   Downloaded pq-sys v0.4.4
[INFO] [stderr]   Downloaded diesel v0.99.0
[INFO] [stderr]   Downloaded r2d2 v0.7.4
[INFO] [stderr]   Downloaded r2d2-diesel v0.12.0
[INFO] [stderr]   Downloaded diesel_derives v0.99.0
[INFO] [stderr]   Downloaded rustls v0.9.0
[INFO] [stderr]   Downloaded rocket v0.3.3
[INFO] [stderr]   Downloaded backtrace v0.3.4
[INFO] [stderr]   Downloaded serde v1.0.24
[INFO] [stderr]   Downloaded rocket_contrib v0.3.3
[INFO] [stderr]   Downloaded serde_derive v1.0.24
[INFO] [stderr]   Downloaded redox_syscall v0.1.32
[INFO] [stderr]   Downloaded webpki-roots v0.11.0
[INFO] [stderr]   Downloaded scheduled-thread-pool v0.1.0
[INFO] [stderr]   Downloaded lettre v0.6.2
[INFO] [stderr]   Downloaded rand v0.3.18
[INFO] [stderr]   Downloaded webpki v0.14.0
[INFO] [stderr]   Downloaded serde_derive_internals v0.18.0
[INFO] [stderr]   Downloaded hyper-rustls v0.6.1
[INFO] [stderr]   Downloaded email v0.0.18
[INFO] [stderr]   Downloaded diesel v0.12.1
[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-2020-10-09" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8f49d57b5194b4cefa332639e4f1da1035ce98dffc890b3d9c0b909a7fa8508c
[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" "8f49d57b5194b4cefa332639e4f1da1035ce98dffc890b3d9c0b909a7fa8508c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8f49d57b5194b4cefa332639e4f1da1035ce98dffc890b3d9c0b909a7fa8508c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8f49d57b5194b4cefa332639e4f1da1035ce98dffc890b3d9c0b909a7fa8508c", kill_on_drop: false }`
[INFO] [stdout] 8f49d57b5194b4cefa332639e4f1da1035ce98dffc890b3d9c0b909a7fa8508c
[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-2020-10-09" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b66531dc859f4de4890e8b901e37475eae9f72f368fc23b927d188188d64661e
[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" "b66531dc859f4de4890e8b901e37475eae9f72f368fc23b927d188188d64661e", kill_on_drop: false }`
[INFO] [stderr]     Checking libc v0.2.34
[INFO] [stderr]    Compiling gcc v0.3.54
[INFO] [stderr]     Checking byteorder v1.2.1
[INFO] [stderr]    Compiling rayon-core v1.3.0
[INFO] [stderr]    Compiling either v1.4.0
[INFO] [stderr]    Compiling scopeguard v0.3.3
[INFO] [stderr]    Compiling version_check v0.1.3
[INFO] [stderr]    Compiling lazy_static v0.2.11
[INFO] [stderr]    Compiling cc v1.0.3
[INFO] [stderr]    Compiling unicode-xid v0.0.4
[INFO] [stderr]     Checking num-traits v0.1.41
[INFO] [stderr]     Checking serde v1.0.24
[INFO] [stderr]    Compiling quote v0.3.15
[INFO] [stderr]     Checking log v0.3.8
[INFO] [stderr]     Checking encoding_index_tests v0.1.4
[INFO] [stderr]     Checking matches v0.1.6
[INFO] [stderr]     Checking safemem v0.2.0
[INFO] [stderr]     Checking lazy_static v1.0.0
[INFO] [stderr]    Compiling yansi v0.3.4
[INFO] [stderr]    Compiling semver v0.1.20
[INFO] [stderr]     Checking untrusted v0.5.1
[INFO] [stderr]     Checking unicode-normalization v0.1.5
[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/yansi-0.3.4/src/lib.rs:1:32
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![cfg_attr(feature="nightly", feature(const_atomic_bool_new))]
[INFO] [stdout]   |                                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling pkg-config v0.3.9
[INFO] [stderr]     Checking regex-syntax v0.4.1
[INFO] [stderr]     Checking rustc-demangle v0.1.5
[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 `yansi`
[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" "b66531dc859f4de4890e8b901e37475eae9f72f368fc23b927d188188d64661e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b66531dc859f4de4890e8b901e37475eae9f72f368fc23b927d188188d64661e", kill_on_drop: false }`
[INFO] [stdout] b66531dc859f4de4890e8b901e37475eae9f72f368fc23b927d188188d64661e
