Dec 11 14:08:35.545 INFO checking marshallpierce/base64-serde against master#3a75e80557a103497cffbcab395a2f37061a77ea for pr-56677
Dec 11 14:08:35.545 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56677/worker-2/master#3a75e80557a103497cffbcab395a2f37061a77ea:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/pr-56677/master#3a75e80557a103497cffbcab395a2f37061a77ea:/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 +3a75e80557a103497cffbcab395a2f37061a77ea-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 14:08:35.864 INFO [stdout] ef6bc15475374a05a1ab32701317fceeb600e7a096a5f7d0b3e2af2f410c619b
Dec 11 14:08:35.866 INFO running `"docker" "start" "-a" "ef6bc15475374a05a1ab32701317fceeb600e7a096a5f7d0b3e2af2f410c619b"`
Dec 11 14:08:36.595 INFO [stderr] usermod: no changes
Dec 11 14:08:36.736 INFO [stderr]     Checking serde v1.0.16
Dec 11 14:08:36.740 INFO [stderr]     Checking base64 v0.9.0
Dec 11 14:08:36.741 INFO [stderr]    Compiling serde_derive v1.0.16
Dec 11 14:08:49.924 INFO [stderr]     Checking base64-serde v0.3.0 (/source)
Dec 11 14:08:49.924 INFO [stderr]     Checking serde_json v1.0.4
Dec 11 14:08:53.002 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 16.36s
Dec 11 14:08:53.013 INFO [stderr] su: No module specific data is present
Dec 11 14:08:53.654 INFO running `"docker" "inspect" "ef6bc15475374a05a1ab32701317fceeb600e7a096a5f7d0b3e2af2f410c619b"`
Dec 11 14:08:53.974 INFO running `"docker" "rm" "-f" "ef6bc15475374a05a1ab32701317fceeb600e7a096a5f7d0b3e2af2f410c619b"`
Dec 11 14:08:54.348 INFO [stdout] ef6bc15475374a05a1ab32701317fceeb600e7a096a5f7d0b3e2af2f410c619b