Nov 17 12:04:06.588 INFO testing SDRust/png-fabuloso against master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c for pr-55982
Nov 17 12:04:06.588 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55982/worker-7/master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-7/pr-55982/master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +6b9b97bd9b704f85f0184f7a213cc4d62bd9654c-alt build --frozen" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Nov 17 12:04:07.168 INFO [stdout] bb07ce18d93e76549d1e9103673e89217c618b748f5f406583e2227ea67b7d1f
Nov 17 12:04:07.170 INFO running `"docker" "start" "-a" "bb07ce18d93e76549d1e9103673e89217c618b748f5f406583e2227ea67b7d1f"`
Nov 17 12:04:08.719 INFO [stderr] usermod: no changes
Nov 17 12:04:08.771 INFO [stderr]    Compiling miniz-sys v0.1.7
Nov 17 12:04:08.771 INFO [stderr]    Compiling crc v1.3.0
Nov 17 12:04:11.323 INFO [stderr]    Compiling flate2 v0.2.14
Nov 17 12:04:12.623 INFO [stderr]    Compiling pngstogram v0.1.0 (/source)
Nov 17 12:04:13.215 INFO [stderr] warning: variable does not need to be mutable
Nov 17 12:04:13.215 INFO [stderr]   --> src/main.rs:86:13
Nov 17 12:04:13.215 INFO [stderr]    |
Nov 17 12:04:13.215 INFO [stderr] 86 |         let mut data_borrow : &mut [u8] = big_data_buf.borrow_mut();
Nov 17 12:04:13.215 INFO [stderr]    |             ----^^^^^^^^^^^
Nov 17 12:04:13.215 INFO [stderr]    |             |
Nov 17 12:04:13.215 INFO [stderr]    |             help: remove this `mut`
Nov 17 12:04:13.215 INFO [stderr]    |
Nov 17 12:04:13.215 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Nov 17 12:04:13.215 INFO [stderr] 
Nov 17 12:04:13.738 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.01s
Nov 17 12:04:13.738 INFO [stderr] su: No module specific data is present
Nov 17 12:04:14.760 INFO running `"docker" "inspect" "bb07ce18d93e76549d1e9103673e89217c618b748f5f406583e2227ea67b7d1f"`
Nov 17 12:04:15.005 INFO running `"docker" "rm" "-f" "bb07ce18d93e76549d1e9103673e89217c618b748f5f406583e2227ea67b7d1f"`
Nov 17 12:04:15.255 INFO [stdout] bb07ce18d93e76549d1e9103673e89217c618b748f5f406583e2227ea67b7d1f
Nov 17 12:04:15.262 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55982/worker-7/master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-7/pr-55982/master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +6b9b97bd9b704f85f0184f7a213cc4d62bd9654c-alt test --frozen --no-run" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Nov 17 12:04:15.705 INFO [stdout] d29ec1f622cca22f06c17540bd331900638036cbd6d9b704af47d2f767e51e67
Nov 17 12:04:15.715 INFO running `"docker" "start" "-a" "d29ec1f622cca22f06c17540bd331900638036cbd6d9b704af47d2f767e51e67"`
Nov 17 12:04:16.823 INFO [stderr] usermod: no changes
Nov 17 12:04:16.871 INFO [stderr]    Compiling pngstogram v0.1.0 (/source)
Nov 17 12:04:17.687 INFO [stderr] warning: variable does not need to be mutable
Nov 17 12:04:17.687 INFO [stderr]   --> src/main.rs:86:13
Nov 17 12:04:17.687 INFO [stderr]    |
Nov 17 12:04:17.687 INFO [stderr] 86 |         let mut data_borrow : &mut [u8] = big_data_buf.borrow_mut();
Nov 17 12:04:17.687 INFO [stderr]    |             ----^^^^^^^^^^^
Nov 17 12:04:17.687 INFO [stderr]    |             |
Nov 17 12:04:17.687 INFO [stderr]    |             help: remove this `mut`
Nov 17 12:04:17.687 INFO [stderr]    |
Nov 17 12:04:17.687 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Nov 17 12:04:17.687 INFO [stderr] 
Nov 17 12:04:18.080 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.24s
Nov 17 12:04:18.091 INFO [stderr] su: No module specific data is present
Nov 17 12:04:18.797 INFO running `"docker" "inspect" "d29ec1f622cca22f06c17540bd331900638036cbd6d9b704af47d2f767e51e67"`
Nov 17 12:04:19.058 INFO running `"docker" "rm" "-f" "d29ec1f622cca22f06c17540bd331900638036cbd6d9b704af47d2f767e51e67"`
Nov 17 12:04:19.346 INFO [stdout] d29ec1f622cca22f06c17540bd331900638036cbd6d9b704af47d2f767e51e67
Nov 17 12:04:19.357 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55982/worker-7/master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-7/pr-55982/master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +6b9b97bd9b704f85f0184f7a213cc4d62bd9654c-alt test --frozen" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Nov 17 12:04:19.728 INFO [stdout] 7954b1861db220a6a61a62f656d1f5a20184d7a90343066edf65a3d2f2e04fb7
Nov 17 12:04:19.733 INFO running `"docker" "start" "-a" "7954b1861db220a6a61a62f656d1f5a20184d7a90343066edf65a3d2f2e04fb7"`
Nov 17 12:04:20.786 INFO [stderr] usermod: no changes
Nov 17 12:04:20.890 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.06s
Nov 17 12:04:20.902 INFO [stderr]      Running /target/debug/deps/pngstogram-107117faa7d5083c
Nov 17 12:04:20.911 INFO [stderr] su: No module specific data is present
Nov 17 12:04:20.912 INFO [stdout] 
Nov 17 12:04:20.912 INFO [stdout] running 0 tests
Nov 17 12:04:20.913 INFO [stdout] 
Nov 17 12:04:20.913 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Nov 17 12:04:20.913 INFO [stdout] 
Nov 17 12:04:21.435 INFO running `"docker" "inspect" "7954b1861db220a6a61a62f656d1f5a20184d7a90343066edf65a3d2f2e04fb7"`
Nov 17 12:04:21.719 INFO running `"docker" "rm" "-f" "7954b1861db220a6a61a62f656d1f5a20184d7a90343066edf65a3d2f2e04fb7"`
Nov 17 12:04:22.011 INFO [stdout] 7954b1861db220a6a61a62f656d1f5a20184d7a90343066edf65a3d2f2e04fb7