[INFO] crate sonnerie 0.4.2 is already in cache
[INFO] extracting crate sonnerie 0.4.2 into work/ex/pr-63247/sources/master#452087b4bf18cece2d52d7cd8c9147195e5404bf/reg/sonnerie/0.4.2
[INFO] extracting crate sonnerie 0.4.2 into work/ex/pr-63247/sources/try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab/reg/sonnerie/0.4.2
[INFO] validating manifest of sonnerie-0.4.2 on toolchain master#452087b4bf18cece2d52d7cd8c9147195e5404bf
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+452087b4bf18cece2d52d7cd8c9147195e5404bf-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of sonnerie-0.4.2 on toolchain try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+757dacae0a9f1b46b3ab58a1f1232332e8fc7dab-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing sonnerie-0.4.2
[INFO] finished frobbing sonnerie-0.4.2
[INFO] frobbed toml for sonnerie-0.4.2 written to work/ex/pr-63247/sources/master#452087b4bf18cece2d52d7cd8c9147195e5404bf/reg/sonnerie/0.4.2/Cargo.toml
[INFO] started frobbing sonnerie-0.4.2
[INFO] finished frobbing sonnerie-0.4.2
[INFO] frobbed toml for sonnerie-0.4.2 written to work/ex/pr-63247/sources/try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab/reg/sonnerie/0.4.2/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+452087b4bf18cece2d52d7cd8c9147195e5404bf-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+757dacae0a9f1b46b3ab58a1f1232332e8fc7dab-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+452087b4bf18cece2d52d7cd8c9147195e5404bf-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+757dacae0a9f1b46b3ab58a1f1232332e8fc7dab-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking sonnerie-0.4.2 against master#452087b4bf18cece2d52d7cd8c9147195e5404bf for pr-63247
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-63247/worker-6/master#452087b4bf18cece2d52d7cd8c9147195e5404bf:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-63247/sources/master#452087b4bf18cece2d52d7cd8c9147195e5404bf/reg/sonnerie/0.4.2:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+452087b4bf18cece2d52d7cd8c9147195e5404bf-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 5a6ebaaa467ceea1e6c0a91a884e6a6760f5d2500c862197b93ec9d0c7e8afa0
[INFO] running `"docker" "start" "-a" "5a6ebaaa467ceea1e6c0a91a884e6a6760f5d2500c862197b93ec9d0c7e8afa0"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking escape_string v0.1.1
[INFO] [stderr]     Checking intrusive-collections v0.7.8
[INFO] [stderr]     Checking range v0.3.1
[INFO] [stderr]     Checking linestream v0.1.0
[INFO] [stderr]     Checking daemonize v0.3.0
[INFO] [stderr]     Checking rustyline v2.1.0
[INFO] [stderr]     Checking sonnerie-api v0.4.1
[INFO] [stderr] error[E0283]: type annotations required: cannot resolve `std::string::String: std::convert::AsRef<_>`
[INFO] [stderr]    --> /opt/crater/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" "5a6ebaaa467ceea1e6c0a91a884e6a6760f5d2500c862197b93ec9d0c7e8afa0"`
[INFO] running `"docker" "rm" "-f" "5a6ebaaa467ceea1e6c0a91a884e6a6760f5d2500c862197b93ec9d0c7e8afa0"`
[INFO] [stdout] 5a6ebaaa467ceea1e6c0a91a884e6a6760f5d2500c862197b93ec9d0c7e8afa0