[INFO] crate sonnerie 0.4.2 is already in cache
[INFO] testing sonnerie-0.4.2 against 1.38.0 for beta-1.39-1
[INFO] extracting crate sonnerie 0.4.2 into work/builds/worker-2/source
[INFO] validating manifest of crates.io crate sonnerie 0.4.2 on toolchain 1.38.0
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate sonnerie 0.4.2
[INFO] finished tweaking crates.io crate sonnerie 0.4.2
[INFO] tweaked toml for crates.io crate sonnerie 0.4.2 written to work/builds/worker-2/source/Cargo.toml
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-2/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-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" "+1.38.0" "build" "--frozen"`
[INFO] [stdout] 7af85f0eac8adab8ed69ec02f1cb3bd2d1b89893de56375ee64c28cdc5c59a57
[INFO] running `"docker" "start" "-a" "7af85f0eac8adab8ed69ec02f1cb3bd2d1b89893de56375ee64c28cdc5c59a57"`
[INFO] [stderr]    Compiling escape_string v0.1.1
[INFO] [stderr]    Compiling range v0.3.1
[INFO] [stderr]    Compiling intrusive-collections v0.7.8
[INFO] [stderr]    Compiling libsqlite3-sys v0.9.3
[INFO] [stderr]    Compiling linestream v0.1.0
[INFO] [stderr]    Compiling rustyline v2.1.0
[INFO] [stderr]    Compiling sonnerie-api v0.4.1
[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" "7af85f0eac8adab8ed69ec02f1cb3bd2d1b89893de56375ee64c28cdc5c59a57"`
[INFO] running `"docker" "rm" "-f" "7af85f0eac8adab8ed69ec02f1cb3bd2d1b89893de56375ee64c28cdc5c59a57"`
[INFO] [stdout] 7af85f0eac8adab8ed69ec02f1cb3bd2d1b89893de56375ee64c28cdc5c59a57