[INFO] crate beast 1.0.0-alpha.2 is already in cache
[INFO] checking beast-1.0.0-alpha.2 against beta-2019-10-27 for pr-65897
[INFO] extracting crate beast 1.0.0-alpha.2 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate beast 1.0.0-alpha.2 on toolchain beta-2019-10-27
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2019-10-27" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate beast 1.0.0-alpha.2
[INFO] finished tweaking crates.io crate beast 1.0.0-alpha.2
[INFO] tweaked toml for crates.io crate beast 1.0.0-alpha.2 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2019-10-27" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2019-10-27" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=allow" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2019-10-27" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 2e02357e0ee1df99af72e85929f740117f6e423cab89aed588517a5cb3b14e4e
[INFO] running `"docker" "start" "-a" "2e02357e0ee1df99af72e85929f740117f6e423cab89aed588517a5cb3b14e4e"`
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling winapi v0.3.8
[INFO] [stderr]    Compiling cgmath v0.16.1
[INFO] [stderr]     Checking approx v0.1.1
[INFO] [stderr]    Compiling nix v0.11.1
[INFO] [stderr]    Compiling unicode-segmentation v1.4.0
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking rgb v0.8.14
[INFO] [stderr]     Checking utf8parse v0.1.1
[INFO] [stderr]    Compiling pest v1.0.6
[INFO] [stderr]     Checking rand_core v0.3.1
[INFO] [stderr]     Checking crc32fast v1.2.0
[INFO] [stderr]     Checking memchr v2.2.1
[INFO] [stderr]    Compiling syn v0.11.11
[INFO] [stderr]     Checking dirs v1.0.5
[INFO] [stderr]     Checking toml v0.4.10
[INFO] [stderr]     Checking rand v0.5.6
[INFO] [stderr]     Checking flate2 v1.0.12
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]    Compiling heck v0.3.1
[INFO] [stderr]     Checking rmp v0.8.8
[INFO] [stderr]     Checking rmp-serde v0.13.7
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]    Compiling pest_derive v1.0.8
[INFO] [stderr]     Checking rustyline v2.1.0
[INFO] [stderr] error[E0283]: type annotations required: cannot resolve `std::string::String: std::convert::AsRef<_>`
[INFO] [stderr]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rustyline-2.1.0/src/lib.rs:639:43
[INFO] [stderr]     |
[INFO] [stderr] 639 |             editor.add_history_entry(line.as_ref());
[INFO] [stderr]     |                                           ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0283`.
[INFO] [stderr] error: could not compile `rustyline`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "2e02357e0ee1df99af72e85929f740117f6e423cab89aed588517a5cb3b14e4e"`
[INFO] running `"docker" "rm" "-f" "2e02357e0ee1df99af72e85929f740117f6e423cab89aed588517a5cb3b14e4e"`
[INFO] [stdout] 2e02357e0ee1df99af72e85929f740117f6e423cab89aed588517a5cb3b14e4e