Nov 04 09:28:33.532 INFO checking boustrophedon/png-concealer against try#e740b9aa0b624fa39feb39613e76d15bdf57e594 for pr-55655
Nov 04 09:28:33.532 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55655/worker-4/try#e740b9aa0b624fa39feb39613e76d15bdf57e594:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-55655/try#e740b9aa0b624fa39feb39613e76d15bdf57e594:/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 +e740b9aa0b624fa39feb39613e76d15bdf57e594-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"`
Nov 04 09:28:34.107 INFO blam! 9402938d6674fb04528325d0574ddc4b21f54a2047e857598b7fecce7820228e
Nov 04 09:28:34.109 INFO running `"docker" "start" "-a" "9402938d6674fb04528325d0574ddc4b21f54a2047e857598b7fecce7820228e"`
Nov 04 09:28:36.410 INFO kablam! usermod: no changes
Nov 04 09:28:36.551 INFO kablam!     Checking structopt v0.2.8
Nov 04 09:28:37.491 INFO kablam!     Checking png-concealer v0.1.0 (/source)
Nov 04 09:28:38.887 INFO kablam! warning: unused `#[macro_use]` import
Nov 04 09:28:38.887 INFO kablam!  --> src/main.rs:5:1
Nov 04 09:28:38.887 INFO kablam!   |
Nov 04 09:28:38.887 INFO kablam! 5 | #[macro_use]
Nov 04 09:28:38.887 INFO kablam!   | ^^^^^^^^^^^^
Nov 04 09:28:38.887 INFO kablam!   |
Nov 04 09:28:38.887 INFO kablam!   = note: #[warn(unused_imports)] on by default
Nov 04 09:28:38.887 INFO kablam! 
Nov 04 09:28:38.999 INFO kablam! warning: unused variable: `input_png`
Nov 04 09:28:38.999 INFO kablam!    --> src/main.rs:109:16
Nov 04 09:28:38.999 INFO kablam!     |
Nov 04 09:28:38.999 INFO kablam! 109 | fn decode_file(input_png: PathBuf, output: PathBuf) {
Nov 04 09:28:38.999 INFO kablam!     |                ^^^^^^^^^ help: consider using `_input_png` instead
Nov 04 09:28:38.999 INFO kablam!     |
Nov 04 09:28:38.999 INFO kablam!     = note: #[warn(unused_variables)] on by default
Nov 04 09:28:38.999 INFO kablam! 
Nov 04 09:28:38.999 INFO kablam! warning: unused variable: `output`
Nov 04 09:28:38.999 INFO kablam!    --> src/main.rs:109:36
Nov 04 09:28:38.999 INFO kablam!     |
Nov 04 09:28:38.999 INFO kablam! 109 | fn decode_file(input_png: PathBuf, output: PathBuf) {
Nov 04 09:28:38.999 INFO kablam!     |                                    ^^^^^^ help: consider using `_output` instead
Nov 04 09:28:38.999 INFO kablam! 
Nov 04 09:28:39.023 INFO kablam! warning: constant `max_length` should have an upper case name such as `MAX_LENGTH`
Nov 04 09:28:39.023 INFO kablam!   --> src/main.rs:51:5
Nov 04 09:28:39.023 INFO kablam!    |
Nov 04 09:28:39.023 INFO kablam! 51 |     const max_length: usize = (1<<31) - 1; // as defined in png spec
Nov 04 09:28:39.023 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 04 09:28:39.023 INFO kablam!    |
Nov 04 09:28:39.023 INFO kablam!    = note: #[warn(non_upper_case_globals)] on by default
Nov 04 09:28:39.023 INFO kablam! 
Nov 04 09:28:39.227 INFO kablam! warning: unused `#[macro_use]` import
Nov 04 09:28:39.227 INFO kablam!  --> src/main.rs:5:1
Nov 04 09:28:39.227 INFO kablam!   |
Nov 04 09:28:39.227 INFO kablam! 5 | #[macro_use]
Nov 04 09:28:39.227 INFO kablam!   | ^^^^^^^^^^^^
Nov 04 09:28:39.227 INFO kablam!   |
Nov 04 09:28:39.227 INFO kablam!   = note: #[warn(unused_imports)] on by default
Nov 04 09:28:39.227 INFO kablam! 
Nov 04 09:28:39.327 INFO kablam! warning: unused variable: `input_png`
Nov 04 09:28:39.328 INFO kablam!    --> src/main.rs:109:16
Nov 04 09:28:39.328 INFO kablam!     |
Nov 04 09:28:39.328 INFO kablam! 109 | fn decode_file(input_png: PathBuf, output: PathBuf) {
Nov 04 09:28:39.329 INFO kablam!     |                ^^^^^^^^^ help: consider using `_input_png` instead
Nov 04 09:28:39.329 INFO kablam!     |
Nov 04 09:28:39.329 INFO kablam!     = note: #[warn(unused_variables)] on by default
Nov 04 09:28:39.330 INFO kablam! 
Nov 04 09:28:39.330 INFO kablam! warning: unused variable: `output`
Nov 04 09:28:39.330 INFO kablam!    --> src/main.rs:109:36
Nov 04 09:28:39.331 INFO kablam!     |
Nov 04 09:28:39.331 INFO kablam! 109 | fn decode_file(input_png: PathBuf, output: PathBuf) {
Nov 04 09:28:39.331 INFO kablam!     |                                    ^^^^^^ help: consider using `_output` instead
Nov 04 09:28:39.332 INFO kablam! 
Nov 04 09:28:39.348 INFO kablam! warning: constant `max_length` should have an upper case name such as `MAX_LENGTH`
Nov 04 09:28:39.349 INFO kablam!   --> src/main.rs:51:5
Nov 04 09:28:39.351 INFO kablam!    |
Nov 04 09:28:39.351 INFO kablam! 51 |     const max_length: usize = (1<<31) - 1; // as defined in png spec
Nov 04 09:28:39.352 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 04 09:28:39.352 INFO kablam!    |
Nov 04 09:28:39.352 INFO kablam!    = note: #[warn(non_upper_case_globals)] on by default
Nov 04 09:28:39.353 INFO kablam! 
Nov 04 09:28:39.376 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 2.93s
Nov 04 09:28:39.381 INFO kablam! su: No module specific data is present
Nov 04 09:28:40.249 INFO running `"docker" "rm" "-f" "9402938d6674fb04528325d0574ddc4b21f54a2047e857598b7fecce7820228e"`
Nov 04 09:28:40.642 INFO blam! 9402938d6674fb04528325d0574ddc4b21f54a2047e857598b7fecce7820228e