[INFO] updating cached repository gshgb/rust_native
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/gshgb/rust_native
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/gshgb/rust_native" "work/ex/pr-56896/sources/master#adbfec229ce07ff4b2a7bf2d6dec2d13cb224980/gh/gshgb/rust_native"`
[INFO] [stderr] Cloning into 'work/ex/pr-56896/sources/master#adbfec229ce07ff4b2a7bf2d6dec2d13cb224980/gh/gshgb/rust_native'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/gshgb/rust_native" "work/ex/pr-56896/sources/try#bad365140e1e8233b42b21af70a407f14ce5fec5/gh/gshgb/rust_native"`
[INFO] [stderr] Cloning into 'work/ex/pr-56896/sources/try#bad365140e1e8233b42b21af70a407f14ce5fec5/gh/gshgb/rust_native'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] a60992e06d924cdacceeba07f9434f956bd2f3ab
[INFO] sha for GitHub repo gshgb/rust_native: a60992e06d924cdacceeba07f9434f956bd2f3ab
[INFO] validating manifest of gshgb/rust_native 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 gshgb/rust_native 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 gshgb/rust_native
[INFO] finished frobbing gshgb/rust_native
[INFO] frobbed toml for gshgb/rust_native written to work/ex/pr-56896/sources/master#adbfec229ce07ff4b2a7bf2d6dec2d13cb224980/gh/gshgb/rust_native/Cargo.toml
[INFO] started frobbing gshgb/rust_native
[INFO] finished frobbing gshgb/rust_native
[INFO] frobbed toml for gshgb/rust_native written to work/ex/pr-56896/sources/try#bad365140e1e8233b42b21af70a407f14ce5fec5/gh/gshgb/rust_native/Cargo.toml
[INFO] crate gshgb/rust_native 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 gshgb/rust_native against try#bad365140e1e8233b42b21af70a407f14ce5fec5 for pr-56896
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56896/worker-6/try#bad365140e1e8233b42b21af70a407f14ce5fec5:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56896/sources/try#bad365140e1e8233b42b21af70a407f14ce5fec5/gh/gshgb/rust_native:/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" "+bad365140e1e8233b42b21af70a407f14ce5fec5-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 93769781e538d5c6f6e0d7c2a09dad415d2580de2e61359261b6cd4950c7d275
[INFO] running `"docker" "start" "-a" "93769781e538d5c6f6e0d7c2a09dad415d2580de2e61359261b6cd4950c7d275"`
[INFO] [stderr]     Blocking waiting for file lock on the registry index
[INFO] [stderr]    Compiling num-derive v0.2.2
[INFO] [stderr]     Checking png v0.12.0
[INFO] [stderr]     Checking jpeg-decoder v0.1.15
[INFO] [stderr]     Checking tiff v0.2.1
[INFO] [stderr]     Checking image v0.20.0
[INFO] [stderr]     Checking rust_native v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: value assigned to `new_pixels` is never read
[INFO] [stderr]    --> src/main.rs:210:17
[INFO] [stderr]     |
[INFO] [stderr] 210 |         let mut new_pixels: Vec<u8> = vec! [0; d.len()];
[INFO] [stderr]     |                 ^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_assignments)] on by default
[INFO] [stderr]     = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `x`
[INFO] [stderr]    --> src/main.rs:223:21
[INFO] [stderr]     |
[INFO] [stderr] 223 |             let mut x = 0; 
[INFO] [stderr]     |                     ^ help: consider using `_x` instead
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `x` is never read
[INFO] [stderr]    --> src/main.rs:227:21
[INFO] [stderr]     |
[INFO] [stderr] 227 |             let mut x = 0; 
[INFO] [stderr]     |                     ^
[INFO] [stderr]     |
[INFO] [stderr]     = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `new_pixels` is never read
[INFO] [stderr]    --> src/main.rs:316:17
[INFO] [stderr]     |
[INFO] [stderr] 316 |         let mut new_pixels: Vec<u8> = vec! [0; d.len()];
[INFO] [stderr]     |                 ^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `x` is never read
[INFO] [stderr]    --> src/main.rs:334:21
[INFO] [stderr]     |
[INFO] [stderr] 334 |             let mut x = 0; 
[INFO] [stderr]     |                     ^
[INFO] [stderr]     |
[INFO] [stderr]     = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `new_pixels` is never read
[INFO] [stderr]    --> src/main.rs:210:17
[INFO] [stderr]     |
[INFO] [stderr] 210 |         let mut new_pixels: Vec<u8> = vec! [0; d.len()];
[INFO] [stderr]     |                 ^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_assignments)] on by default
[INFO] [stderr]     = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `x`
[INFO] [stderr]    --> src/main.rs:223:21
[INFO] [stderr]     |
[INFO] [stderr] 223 |             let mut x = 0; 
[INFO] [stderr]     |                     ^ help: consider using `_x` instead
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `x` is never read
[INFO] [stderr]    --> src/main.rs:227:21
[INFO] [stderr]     |
[INFO] [stderr] 227 |             let mut x = 0; 
[INFO] [stderr]     |                     ^
[INFO] [stderr]     |
[INFO] [stderr]     = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `new_pixels` is never read
[INFO] [stderr]    --> src/main.rs:316:17
[INFO] [stderr]     |
[INFO] [stderr] 316 |         let mut new_pixels: Vec<u8> = vec! [0; d.len()];
[INFO] [stderr]     |                 ^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `x` is never read
[INFO] [stderr]    --> src/main.rs:334:21
[INFO] [stderr]     |
[INFO] [stderr] 334 |             let mut x = 0; 
[INFO] [stderr]     |                     ^
[INFO] [stderr]     |
[INFO] [stderr]     = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.66s
[INFO] running `"docker" "inspect" "93769781e538d5c6f6e0d7c2a09dad415d2580de2e61359261b6cd4950c7d275"`
[INFO] running `"docker" "rm" "-f" "93769781e538d5c6f6e0d7c2a09dad415d2580de2e61359261b6cd4950c7d275"`
[INFO] [stdout] 93769781e538d5c6f6e0d7c2a09dad415d2580de2e61359261b6cd4950c7d275