[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-56896/sources/master#adbfec229ce07ff4b2a7bf2d6dec2d13cb224980/gh/snoyberg/rust-streaming-utf8"`
[INFO] [stderr] Cloning into 'work/ex/pr-56896/sources/master#adbfec229ce07ff4b2a7bf2d6dec2d13cb224980/gh/snoyberg/rust-streaming-utf8'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/snoyberg/rust-streaming-utf8" "work/ex/pr-56896/sources/try#bad365140e1e8233b42b21af70a407f14ce5fec5/gh/snoyberg/rust-streaming-utf8"`
[INFO] [stderr] Cloning into 'work/ex/pr-56896/sources/try#bad365140e1e8233b42b21af70a407f14ce5fec5/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#adbfec229ce07ff4b2a7bf2d6dec2d13cb224980
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+adbfec229ce07ff4b2a7bf2d6dec2d13cb224980-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of snoyberg/rust-streaming-utf8 on toolchain try#bad365140e1e8233b42b21af70a407f14ce5fec5
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+bad365140e1e8233b42b21af70a407f14ce5fec5-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-56896/sources/master#adbfec229ce07ff4b2a7bf2d6dec2d13cb224980/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-56896/sources/try#bad365140e1e8233b42b21af70a407f14ce5fec5/gh/snoyberg/rust-streaming-utf8/Cargo.toml
[INFO] crate snoyberg/rust-streaming-utf8 has a lockfile. skipping
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+adbfec229ce07ff4b2a7bf2d6dec2d13cb224980-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+bad365140e1e8233b42b21af70a407f14ce5fec5-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking snoyberg/rust-streaming-utf8 against master#adbfec229ce07ff4b2a7bf2d6dec2d13cb224980 for pr-56896
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56896/worker-7/master#adbfec229ce07ff4b2a7bf2d6dec2d13cb224980:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56896/sources/master#adbfec229ce07ff4b2a7bf2d6dec2d13cb224980/gh/snoyberg/rust-streaming-utf8:/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" "+adbfec229ce07ff4b2a7bf2d6dec2d13cb224980-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 327fb60a13e8f0bedf71e17eb0a81fa6e4afc199fdad6f3e0c723d4580cce62f
[INFO] running `"docker" "start" "-a" "327fb60a13e8f0bedf71e17eb0a81fa6e4afc199fdad6f3e0c723d4580cce62f"`
[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 0.61s
[INFO] running `"docker" "inspect" "327fb60a13e8f0bedf71e17eb0a81fa6e4afc199fdad6f3e0c723d4580cce62f"`
[INFO] running `"docker" "rm" "-f" "327fb60a13e8f0bedf71e17eb0a81fa6e4afc199fdad6f3e0c723d4580cce62f"`
[INFO] [stdout] 327fb60a13e8f0bedf71e17eb0a81fa6e4afc199fdad6f3e0c723d4580cce62f