Dec 11 13:03:18.523 INFO checking mxhold/shopping against try#aa9aa79c3c583aab59ac9134542d60a780c35e2e for pr-56677
Dec 11 13:03:18.523 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 13:03:18.896 INFO [stdout] 2cec0a2a1bc9c439f52a294403912bfa8596cd3bbf3bee85180728772ccfbd70
Dec 11 13:03:18.902 INFO running `"docker" "start" "-a" "2cec0a2a1bc9c439f52a294403912bfa8596cd3bbf3bee85180728772ccfbd70"`
Dec 11 13:03:19.959 INFO [stderr] usermod: no changes
Dec 11 13:03:20.124 INFO [stderr]    Compiling num-rational v0.2.1
Dec 11 13:03:20.126 INFO [stderr]     Checking csv v1.0.0
Dec 11 13:03:20.127 INFO [stderr]     Checking backtrace v0.3.8
Dec 11 13:03:21.344 INFO [stderr]     Checking error-chain v0.12.0
Dec 11 13:03:22.746 INFO [stderr]     Checking shopping v0.1.0 (/source)
Dec 11 13:03:26.521 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.52s
Dec 11 13:03:26.527 INFO [stderr] su: No module specific data is present
Dec 11 13:03:26.952 INFO running `"docker" "inspect" "2cec0a2a1bc9c439f52a294403912bfa8596cd3bbf3bee85180728772ccfbd70"`
Dec 11 13:03:27.083 INFO running `"docker" "rm" "-f" "2cec0a2a1bc9c439f52a294403912bfa8596cd3bbf3bee85180728772ccfbd70"`
Dec 11 13:03:27.224 INFO [stdout] 2cec0a2a1bc9c439f52a294403912bfa8596cd3bbf3bee85180728772ccfbd70