Dec 11 05:32:37.269 INFO checking yoshuawuyts/playground-failure against try#aa9aa79c3c583aab59ac9134542d60a780c35e2e for pr-56677
Dec 11 05:32:37.270 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56677/worker-5/try#aa9aa79c3c583aab59ac9134542d60a780c35e2e:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-5/pr-56677/try#aa9aa79c3c583aab59ac9134542d60a780c35e2e:/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 +aa9aa79c3c583aab59ac9134542d60a780c35e2e-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 11 05:32:37.681 INFO [stdout] a609485ad046678ac5e5c486bb6ead1f35e8ce74460de32eef732107de8aa2a4
Dec 11 05:32:37.686 INFO running `"docker" "start" "-a" "a609485ad046678ac5e5c486bb6ead1f35e8ce74460de32eef732107de8aa2a4"`
Dec 11 05:32:39.072 INFO [stderr] usermod: no changes
Dec 11 05:32:39.181 INFO [stderr]     Checking rustc-demangle v0.1.5
Dec 11 05:32:39.184 INFO [stderr]    Compiling backtrace-sys v0.1.16
Dec 11 05:32:54.004 INFO [stderr]     Checking backtrace v0.3.5
Dec 11 05:32:54.413 INFO [stderr]     Checking failure v0.1.1
Dec 11 05:32:54.853 INFO [stderr]     Checking playground-failure v0.1.0 (/source)
Dec 11 05:32:55.582 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 16.49s
Dec 11 05:32:55.597 INFO [stderr] su: No module specific data is present
Dec 11 05:32:56.709 INFO running `"docker" "inspect" "a609485ad046678ac5e5c486bb6ead1f35e8ce74460de32eef732107de8aa2a4"`
Dec 11 05:32:57.062 INFO running `"docker" "rm" "-f" "a609485ad046678ac5e5c486bb6ead1f35e8ce74460de32eef732107de8aa2a4"`
Dec 11 05:32:57.380 INFO [stdout] a609485ad046678ac5e5c486bb6ead1f35e8ce74460de32eef732107de8aa2a4