Dec 04 08:25:38.675 INFO checking tobybot11/echo-proto against try#1df97983eb2057dc6a8f7eb364e263b51ae23230 for pr-56481
Dec 04 08:25:38.675 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 04 08:25:39.168 INFO [stdout] c8ffcc7a4e4b8e91d28a8916168556cbc25637bc52d665aa7c8a678d09664c94
Dec 04 08:25:39.170 INFO running `"docker" "start" "-a" "c8ffcc7a4e4b8e91d28a8916168556cbc25637bc52d665aa7c8a678d09664c94"`
Dec 04 08:25:41.039 INFO [stderr] usermod: no changes
Dec 04 08:25:41.135 INFO [stderr]     Checking mio v0.6.12
Dec 04 08:25:41.135 INFO [stderr]     Checking tokio-io v0.1.4
Dec 04 08:25:42.600 INFO [stderr]     Checking tokio-core v0.1.12
Dec 04 08:25:43.748 INFO [stderr]     Checking tokio-proto v0.1.1
Dec 04 08:25:45.787 INFO [stderr]     Checking echo-proto v0.1.0 (/source)
Dec 04 08:25:46.415 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.33s
Dec 04 08:25:46.423 INFO [stderr] su: No module specific data is present
Dec 04 08:25:47.159 INFO running `"docker" "inspect" "c8ffcc7a4e4b8e91d28a8916168556cbc25637bc52d665aa7c8a678d09664c94"`
Dec 04 08:25:47.424 INFO running `"docker" "rm" "-f" "c8ffcc7a4e4b8e91d28a8916168556cbc25637bc52d665aa7c8a678d09664c94"`
Dec 04 08:25:47.719 INFO [stdout] c8ffcc7a4e4b8e91d28a8916168556cbc25637bc52d665aa7c8a678d09664c94