Dec 01 00:10:15.180 INFO checking cryogen_plugin_json-0.1.0 against master#a49316ddc99d9d595193557fc899f6c52e4d9af9 for pr-56323
Dec 01 00:10:15.180 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56323/worker-5/master#a49316ddc99d9d595193557fc899f6c52e4d9af9:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-5/pr-56323/master#a49316ddc99d9d595193557fc899f6c52e4d9af9:/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 +a49316ddc99d9d595193557fc899f6c52e4d9af9-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 01 00:10:15.484 INFO [stdout] f6be30d8b7939deed309c3a0a0a68013e27f8bfd4dcfa59c2f06be56eb2f48c2
Dec 01 00:10:15.492 INFO running `"docker" "start" "-a" "f6be30d8b7939deed309c3a0a0a68013e27f8bfd4dcfa59c2f06be56eb2f48c2"`
Dec 01 00:10:16.324 INFO [stderr] usermod: no changes
Dec 01 00:10:16.368 INFO [stderr] warning: only one of `license` or `license-file` is necessary
Dec 01 00:10:16.444 INFO [stderr]     Checking cryogen_prelude v0.1.0
Dec 01 00:10:17.540 INFO [stderr]     Checking cryogen_plugin_json v0.1.0 (/source)
Dec 01 00:10:19.792 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.43s
Dec 01 00:10:19.804 INFO [stderr] su: No module specific data is present
Dec 01 00:10:20.314 INFO running `"docker" "inspect" "f6be30d8b7939deed309c3a0a0a68013e27f8bfd4dcfa59c2f06be56eb2f48c2"`
Dec 01 00:10:20.540 INFO running `"docker" "rm" "-f" "f6be30d8b7939deed309c3a0a0a68013e27f8bfd4dcfa59c2f06be56eb2f48c2"`
Dec 01 00:10:20.807 INFO [stdout] f6be30d8b7939deed309c3a0a0a68013e27f8bfd4dcfa59c2f06be56eb2f48c2