Dec 19 16:21:41.898 INFO checking gshgb/rust_native against try#e70472fc501b855c9080f3772432c10fe20b8866 for pr-56955
Dec 19 16:21:41.898 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-5/try#e70472fc501b855c9080f3772432c10fe20b8866:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/try#e70472fc501b855c9080f3772432c10fe20b8866/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" "+e70472fc501b855c9080f3772432c10fe20b8866-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 19 16:21:42.334 INFO [stdout] f407a3445f1f0c11b8acdaf5735a0052d1de178c6fe0ab65590e4f1b2a87e693
Dec 19 16:21:42.337 INFO running `"docker" "start" "-a" "f407a3445f1f0c11b8acdaf5735a0052d1de178c6fe0ab65590e4f1b2a87e693"`
Dec 19 16:21:43.100 INFO [stderr]     Checking crossbeam-epoch v0.3.1
Dec 19 16:21:43.100 INFO [stderr]    Compiling num-derive v0.2.2
Dec 19 16:21:43.100 INFO [stderr]     Checking png v0.12.0
Dec 19 16:21:43.824 INFO [stderr]     Checking crossbeam-deque v0.2.0
Dec 19 16:21:44.310 INFO [stderr]     Checking rayon-core v1.4.1
Dec 19 16:21:45.023 INFO [stderr]     Checking tiff v0.2.1
Dec 19 16:21:45.042 INFO [stderr]     Checking rayon v1.0.2
Dec 19 16:21:48.129 INFO [stderr]     Checking jpeg-decoder v0.1.15
Dec 19 16:21:49.036 INFO [stderr]     Checking image v0.20.0
Dec 19 16:21:53.985 INFO [stderr]     Checking rust_native v0.1.0 (/opt/crater/workdir)
Dec 19 16:21:54.849 INFO [stderr] warning: value assigned to `new_pixels` is never read
Dec 19 16:21:54.849 INFO [stderr]    --> src/main.rs:210:17
Dec 19 16:21:54.849 INFO [stderr]     |
Dec 19 16:21:54.849 INFO [stderr] 210 |         let mut new_pixels: Vec<u8> = vec! [0; d.len()];
Dec 19 16:21:54.849 INFO [stderr]     |                 ^^^^^^^^^^
Dec 19 16:21:54.849 INFO [stderr]     |
Dec 19 16:21:54.849 INFO [stderr]     = note: #[warn(unused_assignments)] on by default
Dec 19 16:21:54.849 INFO [stderr]     = help: maybe it is overwritten before being read?
Dec 19 16:21:54.849 INFO [stderr] 
Dec 19 16:21:54.849 INFO [stderr] warning: unused variable: `x`
Dec 19 16:21:54.849 INFO [stderr]    --> src/main.rs:223:21
Dec 19 16:21:54.849 INFO [stderr]     |
Dec 19 16:21:54.849 INFO [stderr] 223 |             let mut x = 0; 
Dec 19 16:21:54.849 INFO [stderr]     |                     ^ help: consider using `_x` instead
Dec 19 16:21:54.849 INFO [stderr]     |
Dec 19 16:21:54.849 INFO [stderr]     = note: #[warn(unused_variables)] on by default
Dec 19 16:21:54.849 INFO [stderr] 
Dec 19 16:21:54.849 INFO [stderr] warning: value assigned to `x` is never read
Dec 19 16:21:54.849 INFO [stderr]    --> src/main.rs:227:21
Dec 19 16:21:54.850 INFO [stderr]     |
Dec 19 16:21:54.850 INFO [stderr] 227 |             let mut x = 0; 
Dec 19 16:21:54.850 INFO [stderr]     |                     ^
Dec 19 16:21:54.850 INFO [stderr]     |
Dec 19 16:21:54.850 INFO [stderr]     = help: maybe it is overwritten before being read?
Dec 19 16:21:54.850 INFO [stderr] 
Dec 19 16:21:54.854 INFO [stderr] warning: value assigned to `new_pixels` is never read
Dec 19 16:21:54.854 INFO [stderr]    --> src/main.rs:316:17
Dec 19 16:21:54.854 INFO [stderr]     |
Dec 19 16:21:54.854 INFO [stderr] 316 |         let mut new_pixels: Vec<u8> = vec! [0; d.len()];
Dec 19 16:21:54.854 INFO [stderr]     |                 ^^^^^^^^^^
Dec 19 16:21:54.854 INFO [stderr]     |
Dec 19 16:21:54.854 INFO [stderr]     = help: maybe it is overwritten before being read?
Dec 19 16:21:54.854 INFO [stderr] 
Dec 19 16:21:54.854 INFO [stderr] warning: value assigned to `x` is never read
Dec 19 16:21:54.854 INFO [stderr]    --> src/main.rs:334:21
Dec 19 16:21:54.854 INFO [stderr]     |
Dec 19 16:21:54.854 INFO [stderr] 334 |             let mut x = 0; 
Dec 19 16:21:54.854 INFO [stderr]     |                     ^
Dec 19 16:21:54.854 INFO [stderr]     |
Dec 19 16:21:54.854 INFO [stderr]     = help: maybe it is overwritten before being read?
Dec 19 16:21:54.854 INFO [stderr] 
Dec 19 16:21:54.977 INFO [stderr] warning: value assigned to `new_pixels` is never read
Dec 19 16:21:54.977 INFO [stderr]    --> src/main.rs:210:17
Dec 19 16:21:54.977 INFO [stderr]     |
Dec 19 16:21:54.977 INFO [stderr] 210 |         let mut new_pixels: Vec<u8> = vec! [0; d.len()];
Dec 19 16:21:54.977 INFO [stderr]     |                 ^^^^^^^^^^
Dec 19 16:21:54.977 INFO [stderr]     |
Dec 19 16:21:54.977 INFO [stderr]     = note: #[warn(unused_assignments)] on by default
Dec 19 16:21:54.977 INFO [stderr]     = help: maybe it is overwritten before being read?
Dec 19 16:21:54.977 INFO [stderr] 
Dec 19 16:21:54.977 INFO [stderr] warning: unused variable: `x`
Dec 19 16:21:54.977 INFO [stderr]    --> src/main.rs:223:21
Dec 19 16:21:54.977 INFO [stderr]     |
Dec 19 16:21:54.977 INFO [stderr] 223 |             let mut x = 0; 
Dec 19 16:21:54.977 INFO [stderr]     |                     ^ help: consider using `_x` instead
Dec 19 16:21:54.977 INFO [stderr]     |
Dec 19 16:21:54.977 INFO [stderr]     = note: #[warn(unused_variables)] on by default
Dec 19 16:21:54.977 INFO [stderr] 
Dec 19 16:21:54.977 INFO [stderr] warning: value assigned to `x` is never read
Dec 19 16:21:54.977 INFO [stderr]    --> src/main.rs:227:21
Dec 19 16:21:54.977 INFO [stderr]     |
Dec 19 16:21:54.977 INFO [stderr] 227 |             let mut x = 0; 
Dec 19 16:21:54.977 INFO [stderr]     |                     ^
Dec 19 16:21:54.977 INFO [stderr]     |
Dec 19 16:21:54.977 INFO [stderr]     = help: maybe it is overwritten before being read?
Dec 19 16:21:54.977 INFO [stderr] 
Dec 19 16:21:54.977 INFO [stderr] warning: value assigned to `new_pixels` is never read
Dec 19 16:21:54.978 INFO [stderr]    --> src/main.rs:316:17
Dec 19 16:21:54.978 INFO [stderr]     |
Dec 19 16:21:54.978 INFO [stderr] 316 |         let mut new_pixels: Vec<u8> = vec! [0; d.len()];
Dec 19 16:21:54.978 INFO [stderr]     |                 ^^^^^^^^^^
Dec 19 16:21:54.978 INFO [stderr]     |
Dec 19 16:21:54.978 INFO [stderr]     = help: maybe it is overwritten before being read?
Dec 19 16:21:54.978 INFO [stderr] 
Dec 19 16:21:54.985 INFO [stderr] warning: value assigned to `x` is never read
Dec 19 16:21:54.985 INFO [stderr]    --> src/main.rs:334:21
Dec 19 16:21:54.985 INFO [stderr]     |
Dec 19 16:21:54.985 INFO [stderr] 334 |             let mut x = 0; 
Dec 19 16:21:54.985 INFO [stderr]     |                     ^
Dec 19 16:21:54.985 INFO [stderr]     |
Dec 19 16:21:54.985 INFO [stderr]     = help: maybe it is overwritten before being read?
Dec 19 16:21:54.985 INFO [stderr] 
Dec 19 16:21:55.072 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 12.15s
Dec 19 16:21:55.800 INFO running `"docker" "inspect" "f407a3445f1f0c11b8acdaf5735a0052d1de178c6fe0ab65590e4f1b2a87e693"`
Dec 19 16:21:56.165 INFO running `"docker" "rm" "-f" "f407a3445f1f0c11b8acdaf5735a0052d1de178c6fe0ab65590e4f1b2a87e693"`
Dec 19 16:21:56.443 INFO [stdout] f407a3445f1f0c11b8acdaf5735a0052d1de178c6fe0ab65590e4f1b2a87e693