Oct 13 00:15:18.795 INFO checking boustrophedon/png-concealer against master#5af0bb83044c3fb43d59ad5f49ee5ae1a293901f for pr-54977
Oct 13 00:15:18.795 INFO running `"docker" "create" "-v" "/mnt/big/crater/./work/local/target-dirs/pr-54977/worker-1/master#5af0bb83044c3fb43d59ad5f49ee5ae1a293901f:/target:rw,Z" "-v" "/mnt/big/crater/./work/local/test-source/worker-1/pr-54977/master#5af0bb83044c3fb43d59ad5f49ee5ae1a293901f:/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 +5af0bb83044c3fb43d59ad5f49ee5ae1a293901f-alt check --frozen --all --all-targets" "-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"`
Oct 13 00:15:19.292 INFO blam! bb4a7bbb9c6a56298b6ca26bf09e82d5475a029015353d27e2f5140fe245d5d7
Oct 13 00:15:19.300 INFO running `"docker" "start" "-a" "bb4a7bbb9c6a56298b6ca26bf09e82d5475a029015353d27e2f5140fe245d5d7"`
Oct 13 00:15:20.645 INFO kablam! usermod: no changes
Oct 13 00:15:20.751 INFO kablam!    Compiling syn v0.13.10
Oct 13 00:15:32.004 INFO kablam!    Compiling structopt-derive v0.2.8
Oct 13 00:15:37.136 INFO kablam!     Checking structopt v0.2.8
Oct 13 00:15:38.084 INFO kablam!     Checking png-concealer v0.1.0 (/source)
Oct 13 00:15:39.888 INFO kablam! warning: unused `#[macro_use]` import
Oct 13 00:15:39.888 INFO kablam!  --> src/main.rs:5:1
Oct 13 00:15:39.888 INFO kablam!   |
Oct 13 00:15:39.888 INFO kablam! 5 | #[macro_use]
Oct 13 00:15:39.888 INFO kablam!   | ^^^^^^^^^^^^
Oct 13 00:15:39.888 INFO kablam!   |
Oct 13 00:15:39.888 INFO kablam!   = note: #[warn(unused_imports)] on by default
Oct 13 00:15:39.888 INFO kablam! 
Oct 13 00:15:40.128 INFO kablam! warning: unused variable: `input_png`
Oct 13 00:15:40.128 INFO kablam!    --> src/main.rs:109:16
Oct 13 00:15:40.128 INFO kablam!     |
Oct 13 00:15:40.128 INFO kablam! 109 | fn decode_file(input_png: PathBuf, output: PathBuf) {
Oct 13 00:15:40.128 INFO kablam!     |                ^^^^^^^^^ help: consider using `_input_png` instead
Oct 13 00:15:40.128 INFO kablam!     |
Oct 13 00:15:40.128 INFO kablam!     = note: #[warn(unused_variables)] on by default
Oct 13 00:15:40.128 INFO kablam! 
Oct 13 00:15:40.128 INFO kablam! warning: unused variable: `output`
Oct 13 00:15:40.128 INFO kablam!    --> src/main.rs:109:36
Oct 13 00:15:40.128 INFO kablam!     |
Oct 13 00:15:40.128 INFO kablam! 109 | fn decode_file(input_png: PathBuf, output: PathBuf) {
Oct 13 00:15:40.128 INFO kablam!     |                                    ^^^^^^ help: consider using `_output` instead
Oct 13 00:15:40.128 INFO kablam! 
Oct 13 00:15:40.152 INFO kablam! warning: constant `max_length` should have an upper case name such as `MAX_LENGTH`
Oct 13 00:15:40.152 INFO kablam!   --> src/main.rs:51:5
Oct 13 00:15:40.152 INFO kablam!    |
Oct 13 00:15:40.152 INFO kablam! 51 |     const max_length: usize = (1<<31) - 1; // as defined in png spec
Oct 13 00:15:40.152 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 13 00:15:40.152 INFO kablam!    |
Oct 13 00:15:40.152 INFO kablam!    = note: #[warn(non_upper_case_globals)] on by default
Oct 13 00:15:40.152 INFO kablam! 
Oct 13 00:15:40.272 INFO kablam! warning: unused `#[macro_use]` import
Oct 13 00:15:40.273 INFO kablam!  --> src/main.rs:5:1
Oct 13 00:15:40.273 INFO kablam!   |
Oct 13 00:15:40.274 INFO kablam! 5 | #[macro_use]
Oct 13 00:15:40.274 INFO kablam!   | ^^^^^^^^^^^^
Oct 13 00:15:40.275 INFO kablam!   |
Oct 13 00:15:40.275 INFO kablam!   = note: #[warn(unused_imports)] on by default
Oct 13 00:15:40.276 INFO kablam! 
Oct 13 00:15:40.406 INFO kablam! warning: unused variable: `input_png`
Oct 13 00:15:40.406 INFO kablam!    --> src/main.rs:109:16
Oct 13 00:15:40.406 INFO kablam!     |
Oct 13 00:15:40.406 INFO kablam! 109 | fn decode_file(input_png: PathBuf, output: PathBuf) {
Oct 13 00:15:40.406 INFO kablam!     |                ^^^^^^^^^ help: consider using `_input_png` instead
Oct 13 00:15:40.407 INFO kablam!     |
Oct 13 00:15:40.407 INFO kablam!     = note: #[warn(unused_variables)] on by default
Oct 13 00:15:40.408 INFO kablam! 
Oct 13 00:15:40.409 INFO kablam! warning: unused variable: `output`
Oct 13 00:15:40.409 INFO kablam!    --> src/main.rs:109:36
Oct 13 00:15:40.409 INFO kablam!     |
Oct 13 00:15:40.409 INFO kablam! 109 | fn decode_file(input_png: PathBuf, output: PathBuf) {
Oct 13 00:15:40.409 INFO kablam!     |                                    ^^^^^^ help: consider using `_output` instead
Oct 13 00:15:40.409 INFO kablam! 
Oct 13 00:15:40.425 INFO kablam! warning: constant `max_length` should have an upper case name such as `MAX_LENGTH`
Oct 13 00:15:40.425 INFO kablam!   --> src/main.rs:51:5
Oct 13 00:15:40.425 INFO kablam!    |
Oct 13 00:15:40.425 INFO kablam! 51 |     const max_length: usize = (1<<31) - 1; // as defined in png spec
Oct 13 00:15:40.425 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 13 00:15:40.425 INFO kablam!    |
Oct 13 00:15:40.426 INFO kablam!    = note: #[warn(non_upper_case_globals)] on by default
Oct 13 00:15:40.426 INFO kablam! 
Oct 13 00:15:40.462 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 19.79s
Oct 13 00:15:40.467 INFO kablam! su: No module specific data is present
Oct 13 00:15:42.192 INFO running `"docker" "rm" "-f" "bb4a7bbb9c6a56298b6ca26bf09e82d5475a029015353d27e2f5140fe245d5d7"`
Oct 13 00:15:42.440 INFO blam! bb4a7bbb9c6a56298b6ca26bf09e82d5475a029015353d27e2f5140fe245d5d7