Nov 30 10:31:23.528 INFO checking JWorthe/rust_channels_example against master#a49316ddc99d9d595193557fc899f6c52e4d9af9 for pr-56323
Nov 30 10:31:23.528 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56323/worker-2/master#a49316ddc99d9d595193557fc899f6c52e4d9af9:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/pr-56323/master#a49316ddc99d9d595193557fc899f6c52e4d9af9:/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 +a49316ddc99d9d595193557fc899f6c52e4d9af9-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 30 10:31:24.139 INFO [stdout] 5f8844bef5981efc1b2f0f2da4601d8c4e571dcd6242a878c7b975116868d246
Nov 30 10:31:24.144 INFO running `"docker" "start" "-a" "5f8844bef5981efc1b2f0f2da4601d8c4e571dcd6242a878c7b975116868d246"`
Nov 30 10:31:25.604 INFO [stderr] usermod: no changes
Nov 30 10:31:25.974 INFO [stderr]     Checking png v0.7.0
Nov 30 10:31:26.010 INFO [stderr]     Checking pistoncore-glutin_window v0.37.0
Nov 30 10:31:28.447 INFO [stderr]     Checking image v0.13.0
Nov 30 10:31:33.089 INFO [stderr]     Checking piston2d-opengl_graphics v0.43.1
Nov 30 10:31:35.768 INFO [stderr]     Checking piston-demo v0.1.0 (/source)
Nov 30 10:31:40.700 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 15.06s
Nov 30 10:31:40.708 INFO [stderr] su: No module specific data is present
Nov 30 10:31:41.010 INFO running `"docker" "inspect" "5f8844bef5981efc1b2f0f2da4601d8c4e571dcd6242a878c7b975116868d246"`
Nov 30 10:31:41.100 INFO running `"docker" "rm" "-f" "5f8844bef5981efc1b2f0f2da4601d8c4e571dcd6242a878c7b975116868d246"`
Nov 30 10:31:41.196 INFO [stdout] 5f8844bef5981efc1b2f0f2da4601d8c4e571dcd6242a878c7b975116868d246