Dec 11 06:30:38.093 INFO checking wagenet/helix-hello-world-rails against try#aa9aa79c3c583aab59ac9134542d60a780c35e2e for pr-56677
Dec 11 06:30:38.093 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56677/worker-2/try#aa9aa79c3c583aab59ac9134542d60a780c35e2e:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/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 06:30:38.528 INFO [stdout] b8b4d2fc7d9b83a15b0df4e545476c8d8397636bcfe56a337629642b57c8986a
Dec 11 06:30:38.532 INFO running `"docker" "start" "-a" "b8b4d2fc7d9b83a15b0df4e545476c8d8397636bcfe56a337629642b57c8986a"`
Dec 11 06:30:40.160 INFO [stderr] usermod: no changes
Dec 11 06:30:40.264 INFO [stderr]    Compiling libcruby-sys v0.5.0-alpha-1
Dec 11 06:30:40.264 INFO [stderr]     Checking cslice v0.2.0
Dec 11 06:30:40.272 INFO [stderr]     Checking cstr-macro v0.1.0
Dec 11 06:30:42.103 INFO [stderr]     Checking helix_runtime v0.5.0-alpha-1
Dec 11 06:30:42.570 INFO [stderr]     Checking helix_hello_world_rails v0.1.0 (/source)
Dec 11 06:30:43.117 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.92s
Dec 11 06:30:43.125 INFO [stderr] su: No module specific data is present
Dec 11 06:30:44.516 INFO running `"docker" "inspect" "b8b4d2fc7d9b83a15b0df4e545476c8d8397636bcfe56a337629642b57c8986a"`
Dec 11 06:30:44.756 INFO running `"docker" "rm" "-f" "b8b4d2fc7d9b83a15b0df4e545476c8d8397636bcfe56a337629642b57c8986a"`
Dec 11 06:30:44.932 INFO [stdout] b8b4d2fc7d9b83a15b0df4e545476c8d8397636bcfe56a337629642b57c8986a