[INFO] updating cached repository pinkisemils/rust_shenanigans
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/pinkisemils/rust_shenanigans
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/pinkisemils/rust_shenanigans" "work/ex/pr-59199/sources/master#bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7/gh/pinkisemils/rust_shenanigans"`
[INFO] [stderr] Cloning into 'work/ex/pr-59199/sources/master#bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7/gh/pinkisemils/rust_shenanigans'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/pinkisemils/rust_shenanigans" "work/ex/pr-59199/sources/try#68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b/gh/pinkisemils/rust_shenanigans"`
[INFO] [stderr] Cloning into 'work/ex/pr-59199/sources/try#68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b/gh/pinkisemils/rust_shenanigans'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 16ae5658ced9ccc30ba25c779d78e17d416ca61b
[INFO] sha for GitHub repo pinkisemils/rust_shenanigans: 16ae5658ced9ccc30ba25c779d78e17d416ca61b
[INFO] validating manifest of pinkisemils/rust_shenanigans on toolchain master#bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of pinkisemils/rust_shenanigans on toolchain try#68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing pinkisemils/rust_shenanigans
[INFO] finished frobbing pinkisemils/rust_shenanigans
[INFO] frobbed toml for pinkisemils/rust_shenanigans written to work/ex/pr-59199/sources/master#bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7/gh/pinkisemils/rust_shenanigans/Cargo.toml
[INFO] started frobbing pinkisemils/rust_shenanigans
[INFO] finished frobbing pinkisemils/rust_shenanigans
[INFO] frobbed toml for pinkisemils/rust_shenanigans written to work/ex/pr-59199/sources/try#68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b/gh/pinkisemils/rust_shenanigans/Cargo.toml
[INFO] crate pinkisemils/rust_shenanigans already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking pinkisemils/rust_shenanigans against master#bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7 for pr-59199
[INFO] running `"docker" "create" "-v" "/mnt/crater-raid/crater/work/local/target-dirs/pr-59199/worker-5/master#bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7:/opt/crater/target:rw,Z" "-v" "/mnt/crater-raid/crater/work/ex/pr-59199/sources/master#bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7/gh/pinkisemils/rust_shenanigans:/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" "+bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 230b9473d5b0c9d207e9443e491f5d384d21f73db49c7ad067e376704bd35c40
[INFO] running `"docker" "start" "-a" "230b9473d5b0c9d207e9443e491f5d384d21f73db49c7ad067e376704bd35c40"`
[INFO] [stderr]     Checking bitflags v0.7.1
[INFO] [stderr]     Checking deque v0.3.1
[INFO] [stderr]     Checking deflate v0.7.4
[INFO] [stderr]    Compiling deco v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Checking num-rational v0.1.35
[INFO] [stderr]     Checking rayon v0.6.0
[INFO] [stderr]     Checking png v0.6.2
[INFO] [stderr]     Checking jpeg-decoder v0.1.11
[INFO] [stderr]     Checking image v0.12.3
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/lib.rs:28:21
[INFO] [stderr]    |
[INFO] [stderr] 28 |                     tx.send(trim(sendable));
[INFO] [stderr]    |                     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_must_use)] on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/lib.rs:28:21
[INFO] [stderr]    |
[INFO] [stderr] 28 |                     tx.send(trim(sendable));
[INFO] [stderr]    |                     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_must_use)] on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `dec_t`
[INFO] [stderr]   --> src/bin/main.rs:32:9
[INFO] [stderr]    |
[INFO] [stderr] 32 |     let dec_t = spawn(||{read_and_send(file, tx)});
[INFO] [stderr]    |         ^^^^^ help: consider prefixing with an underscore: `_dec_t`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `dec_t`
[INFO] [stderr]   --> src/bin/main.rs:32:9
[INFO] [stderr]    |
[INFO] [stderr] 32 |     let dec_t = spawn(||{read_and_send(file, tx)});
[INFO] [stderr]    |         ^^^^^ help: consider prefixing with an underscore: `_dec_t`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10.46s
[INFO] running `"docker" "inspect" "230b9473d5b0c9d207e9443e491f5d384d21f73db49c7ad067e376704bd35c40"`
[INFO] running `"docker" "rm" "-f" "230b9473d5b0c9d207e9443e491f5d384d21f73db49c7ad067e376704bd35c40"`
[INFO] [stdout] 230b9473d5b0c9d207e9443e491f5d384d21f73db49c7ad067e376704bd35c40