Dec 11 16:23:51.291 INFO checking jhbabon/scout against try#aa9aa79c3c583aab59ac9134542d60a780c35e2e for pr-56677
Dec 11 16:23:51.291 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56677/worker-0/try#aa9aa79c3c583aab59ac9134542d60a780c35e2e:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/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 16:23:51.684 INFO [stdout] 5daa5bf1371106ce69c4060f20aa69b4035dcf703329dcc4f6fb3fd5cbea397e
Dec 11 16:23:51.686 INFO running `"docker" "start" "-a" "5daa5bf1371106ce69c4060f20aa69b4035dcf703329dcc4f6fb3fd5cbea397e"`
Dec 11 16:23:53.359 INFO [stderr] usermod: no changes
Dec 11 16:23:53.488 INFO [stderr]     Checking termios v0.2.2
Dec 11 16:23:53.489 INFO [stderr]    Compiling serde_derive v1.0.20
Dec 11 16:24:00.278 INFO [stderr]     Checking docopt v0.8.1
Dec 11 16:24:01.884 INFO [stderr]     Checking scout v1.3.0 (/source)
Dec 11 16:24:06.280 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 12.88s
Dec 11 16:24:06.284 INFO [stderr] su: No module specific data is present
Dec 11 16:24:06.551 INFO running `"docker" "inspect" "5daa5bf1371106ce69c4060f20aa69b4035dcf703329dcc4f6fb3fd5cbea397e"`
Dec 11 16:24:06.681 INFO running `"docker" "rm" "-f" "5daa5bf1371106ce69c4060f20aa69b4035dcf703329dcc4f6fb3fd5cbea397e"`
Dec 11 16:24:06.807 INFO [stdout] 5daa5bf1371106ce69c4060f20aa69b4035dcf703329dcc4f6fb3fd5cbea397e