Dec 05 15:54:16.137 INFO checking canvas-1.0.1 against try#1df97983eb2057dc6a8f7eb364e263b51ae23230 for pr-56481
Dec 05 15:54:16.137 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-4/try#1df97983eb2057dc6a8f7eb364e263b51ae23230:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-56481/try#1df97983eb2057dc6a8f7eb364e263b51ae23230:/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 +1df97983eb2057dc6a8f7eb364e263b51ae23230-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"`
Dec 05 15:54:16.467 INFO [stdout] c673cf4cbcd3cef65e7cd04d5739c607e936e196e31f4f28eaf1f6fbe216420c
Dec 05 15:54:16.473 INFO running `"docker" "start" "-a" "c673cf4cbcd3cef65e7cd04d5739c607e936e196e31f4f28eaf1f6fbe216420c"`
Dec 05 15:54:17.005 INFO [stderr] usermod: no changes
Dec 05 15:54:17.197 INFO [stderr]     Checking websocket v0.20.4
Dec 05 15:54:23.528 INFO [stderr]     Checking canvas v1.0.1 (/source)
Dec 05 15:54:31.840 INFO [stderr] warning: use of deprecated item 'std::ascii::AsciiExt': use inherent methods instead
Dec 05 15:54:31.840 INFO [stderr]  --> src/api.rs:2:5
Dec 05 15:54:31.840 INFO [stderr]   |
Dec 05 15:54:31.840 INFO [stderr] 2 | use std::ascii::AsciiExt;
Dec 05 15:54:31.840 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^
Dec 05 15:54:31.840 INFO [stderr]   |
Dec 05 15:54:31.840 INFO [stderr]   = note: #[warn(deprecated)] on by default
Dec 05 15:54:31.840 INFO [stderr] 
Dec 05 15:54:31.943 INFO [stderr] warning: unused import: `super::*`
Dec 05 15:54:31.943 INFO [stderr]    --> src/lib.rs:309:9
Dec 05 15:54:31.943 INFO [stderr]     |
Dec 05 15:54:31.943 INFO [stderr] 309 |     use super::*;
Dec 05 15:54:31.943 INFO [stderr]     |         ^^^^^^^^
Dec 05 15:54:31.943 INFO [stderr]     |
Dec 05 15:54:31.943 INFO [stderr]     = note: #[warn(unused_imports)] on by default
Dec 05 15:54:31.943 INFO [stderr] 
Dec 05 15:54:31.959 INFO [stderr] warning: use of deprecated item 'std::ascii::AsciiExt': use inherent methods instead
Dec 05 15:54:31.959 INFO [stderr]  --> src/api.rs:2:5
Dec 05 15:54:31.959 INFO [stderr]   |
Dec 05 15:54:31.959 INFO [stderr] 2 | use std::ascii::AsciiExt;
Dec 05 15:54:31.959 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^
Dec 05 15:54:31.959 INFO [stderr]   |
Dec 05 15:54:31.959 INFO [stderr]   = note: #[warn(deprecated)] on by default
Dec 05 15:54:31.959 INFO [stderr] 
Dec 05 15:54:32.011 INFO [stderr] warning: unused import: `std::ascii::AsciiExt`
Dec 05 15:54:32.011 INFO [stderr]  --> src/api.rs:2:5
Dec 05 15:54:32.011 INFO [stderr]   |
Dec 05 15:54:32.011 INFO [stderr] 2 | use std::ascii::AsciiExt;
Dec 05 15:54:32.011 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^
Dec 05 15:54:32.011 INFO [stderr]   |
Dec 05 15:54:32.011 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 05 15:54:32.011 INFO [stderr] 
Dec 05 15:54:32.139 INFO [stderr] warning: unused import: `std::ascii::AsciiExt`
Dec 05 15:54:32.139 INFO [stderr]  --> src/api.rs:2:5
Dec 05 15:54:32.139 INFO [stderr]   |
Dec 05 15:54:32.139 INFO [stderr] 2 | use std::ascii::AsciiExt;
Dec 05 15:54:32.139 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^
Dec 05 15:54:32.139 INFO [stderr] 
Dec 05 15:54:32.267 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 15.23s
Dec 05 15:54:32.283 INFO [stderr] su: No module specific data is present
Dec 05 15:54:33.153 INFO running `"docker" "inspect" "c673cf4cbcd3cef65e7cd04d5739c607e936e196e31f4f28eaf1f6fbe216420c"`
Dec 05 15:54:33.503 INFO running `"docker" "rm" "-f" "c673cf4cbcd3cef65e7cd04d5739c607e936e196e31f4f28eaf1f6fbe216420c"`
Dec 05 15:54:33.865 INFO [stdout] c673cf4cbcd3cef65e7cd04d5739c607e936e196e31f4f28eaf1f6fbe216420c