[INFO] updating cached repository snoyberg/rust-streaming-utf8
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/snoyberg/rust-streaming-utf8
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/snoyberg/rust-streaming-utf8" "work/ex/pr-60914/sources/master#39401465da4ce27aeeb2c2a26133ac35c63aa515/gh/snoyberg/rust-streaming-utf8"`
[INFO] [stderr] Cloning into 'work/ex/pr-60914/sources/master#39401465da4ce27aeeb2c2a26133ac35c63aa515/gh/snoyberg/rust-streaming-utf8'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/snoyberg/rust-streaming-utf8" "work/ex/pr-60914/sources/try#f45cc3094ee337acd688771b9234318046b0572d/gh/snoyberg/rust-streaming-utf8"`
[INFO] [stderr] Cloning into 'work/ex/pr-60914/sources/try#f45cc3094ee337acd688771b9234318046b0572d/gh/snoyberg/rust-streaming-utf8'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] ae254013a17e32ad9783dfffd0c63f42aef9f0fd
[INFO] sha for GitHub repo snoyberg/rust-streaming-utf8: ae254013a17e32ad9783dfffd0c63f42aef9f0fd
[INFO] validating manifest of snoyberg/rust-streaming-utf8 on toolchain master#39401465da4ce27aeeb2c2a26133ac35c63aa515
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+39401465da4ce27aeeb2c2a26133ac35c63aa515-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of snoyberg/rust-streaming-utf8 on toolchain try#f45cc3094ee337acd688771b9234318046b0572d
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+f45cc3094ee337acd688771b9234318046b0572d-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing snoyberg/rust-streaming-utf8
[INFO] finished frobbing snoyberg/rust-streaming-utf8
[INFO] frobbed toml for snoyberg/rust-streaming-utf8 written to work/ex/pr-60914/sources/master#39401465da4ce27aeeb2c2a26133ac35c63aa515/gh/snoyberg/rust-streaming-utf8/Cargo.toml
[INFO] started frobbing snoyberg/rust-streaming-utf8
[INFO] finished frobbing snoyberg/rust-streaming-utf8
[INFO] frobbed toml for snoyberg/rust-streaming-utf8 written to work/ex/pr-60914/sources/try#f45cc3094ee337acd688771b9234318046b0572d/gh/snoyberg/rust-streaming-utf8/Cargo.toml
[INFO] crate snoyberg/rust-streaming-utf8 already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+39401465da4ce27aeeb2c2a26133ac35c63aa515-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+f45cc3094ee337acd688771b9234318046b0572d-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking snoyberg/rust-streaming-utf8 against master#39401465da4ce27aeeb2c2a26133ac35c63aa515 for pr-60914
[INFO] running `"docker" "create" "-v" "/mnt/crater-raid/crater/work/local/target-dirs/pr-60914/worker-1/master#39401465da4ce27aeeb2c2a26133ac35c63aa515:/opt/crater/target:rw,Z" "-v" "/mnt/crater-raid/crater/work/ex/pr-60914/sources/master#39401465da4ce27aeeb2c2a26133ac35c63aa515/gh/snoyberg/rust-streaming-utf8:/opt/crater/workdir:ro,Z" "-v" "/mnt/crater-raid/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/crater-raid/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" "+39401465da4ce27aeeb2c2a26133ac35c63aa515-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 8ae66ada19a03f15ba214700059a94ea04e9d4960f9360a6c6d6b94b47a52c34
[INFO] running `"docker" "start" "-a" "8ae66ada19a03f15ba214700059a94ea04e9d4960f9360a6c6d6b94b47a52c34"`
[INFO] [stderr]     Checking rust-streaming-utf8 v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::cause': replaced by Error::source, which can support downcasting
[INFO] [stderr]   --> src/main.rs:58:41
[INFO] [stderr]    |
[INFO] [stderr] 58 |             MyAppError::IOError(e) => e.cause(),
[INFO] [stderr]    |                                         ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(deprecated)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::cause': replaced by Error::source, which can support downcasting
[INFO] [stderr]   --> src/main.rs:59:49
[INFO] [stderr]    |
[INFO] [stderr] 59 |             MyAppError::DecodeUtf8Error(e) => e.cause(),
[INFO] [stderr]    |                                                 ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::cause': replaced by Error::source, which can support downcasting
[INFO] [stderr]   --> src/main.rs:58:41
[INFO] [stderr]    |
[INFO] [stderr] 58 |             MyAppError::IOError(e) => e.cause(),
[INFO] [stderr]    |                                         ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(deprecated)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::cause': replaced by Error::source, which can support downcasting
[INFO] [stderr]   --> src/main.rs:59:49
[INFO] [stderr]    |
[INFO] [stderr] 59 |             MyAppError::DecodeUtf8Error(e) => e.cause(),
[INFO] [stderr]    |                                                 ^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.42s
[INFO] running `"docker" "inspect" "8ae66ada19a03f15ba214700059a94ea04e9d4960f9360a6c6d6b94b47a52c34"`
[INFO] running `"docker" "rm" "-f" "8ae66ada19a03f15ba214700059a94ea04e9d4960f9360a6c6d6b94b47a52c34"`
[INFO] [stdout] 8ae66ada19a03f15ba214700059a94ea04e9d4960f9360a6c6d6b94b47a52c34