Dec 01 02:10:20.410 INFO checking alloc-singleton-0.1.0 against try#32252761328f59ccfadb1bafb8148c685bc830b3 for pr-56323
Dec 01 02:10:20.410 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56323/worker-6/try#32252761328f59ccfadb1bafb8148c685bc830b3:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/pr-56323/try#32252761328f59ccfadb1bafb8148c685bc830b3:/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 +32252761328f59ccfadb1bafb8148c685bc830b3-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 02:10:20.565 INFO [stdout] 0ef082c0a180a932c9b2aa1b401af296f0c986ef3ac14d5402de7af2e8d675e9
Dec 01 02:10:20.569 INFO running `"docker" "start" "-a" "0ef082c0a180a932c9b2aa1b401af296f0c986ef3ac14d5402de7af2e8d675e9"`
Dec 01 02:10:21.093 INFO [stderr] usermod: no changes
Dec 01 02:10:21.145 INFO [stderr]     Checking stable_deref_trait v1.1.1
Dec 01 02:10:21.145 INFO [stderr]    Compiling owned-singleton-macros v0.1.0
Dec 01 02:10:21.304 INFO [stderr]     Checking as-slice v0.1.0
Dec 01 02:10:28.188 INFO [stderr]     Checking owned-singleton v0.1.0
Dec 01 02:10:28.376 INFO [stderr]     Checking alloc-singleton v0.1.0 (/source)
Dec 01 02:10:30.506 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.40s
Dec 01 02:10:30.509 INFO [stderr] su: No module specific data is present
Dec 01 02:10:30.961 INFO running `"docker" "inspect" "0ef082c0a180a932c9b2aa1b401af296f0c986ef3ac14d5402de7af2e8d675e9"`
Dec 01 02:10:31.110 INFO running `"docker" "rm" "-f" "0ef082c0a180a932c9b2aa1b401af296f0c986ef3ac14d5402de7af2e8d675e9"`
Dec 01 02:10:31.287 INFO [stdout] 0ef082c0a180a932c9b2aa1b401af296f0c986ef3ac14d5402de7af2e8d675e9