Nov 30 16:00:30.645 INFO checking safety-0.1.0 against try#32252761328f59ccfadb1bafb8148c685bc830b3 for pr-56323
Nov 30 16:00:30.645 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56323/worker-3/try#32252761328f59ccfadb1bafb8148c685bc830b3:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/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"`
Nov 30 16:00:31.150 INFO [stdout] 327760367fcd83d5d5bf0455cf12f430fc1cc581c150f1cb471e56a11992e501
Nov 30 16:00:31.160 INFO running `"docker" "start" "-a" "327760367fcd83d5d5bf0455cf12f430fc1cc581c150f1cb471e56a11992e501"`
Nov 30 16:00:32.280 INFO [stderr] usermod: no changes
Nov 30 16:00:32.467 INFO [stderr]     Checking syntex_pos v0.52.0
Nov 30 16:00:32.467 INFO [stderr]    Compiling syn v0.10.8
Nov 30 16:00:33.769 INFO [stderr]     Checking syntex_errors v0.52.0
Nov 30 16:00:36.061 INFO [stderr]     Checking syntex_syntax v0.52.0
Nov 30 16:00:41.452 INFO [stderr]    Compiling serde_codegen_internals v0.11.3
Nov 30 16:00:44.368 INFO [stderr]    Compiling serde_codegen v0.8.23
Nov 30 16:00:49.051 INFO [stderr]    Compiling serde_derive v0.8.23
Nov 30 16:01:00.156 INFO [stderr]     Checking syntex v0.52.0
Nov 30 16:01:01.456 INFO [stderr]     Checking safety v0.1.0 (/source)
Nov 30 16:01:04.732 INFO [stderr] warning: the feature `proc_macro` has been stable since 1.29.0 and no longer requires an attribute to enable
Nov 30 16:01:04.732 INFO [stderr]  --> src/lib.rs:1:12
Nov 30 16:01:04.732 INFO [stderr]   |
Nov 30 16:01:04.732 INFO [stderr] 1 | #![feature(proc_macro)]
Nov 30 16:01:04.732 INFO [stderr]   |            ^^^^^^^^^^
Nov 30 16:01:04.732 INFO [stderr]   |
Nov 30 16:01:04.732 INFO [stderr]   = note: #[warn(stable_features)] on by default
Nov 30 16:01:04.732 INFO [stderr] 
Nov 30 16:01:06.289 INFO [stderr] warning: the feature `proc_macro` has been stable since 1.29.0 and no longer requires an attribute to enable
Nov 30 16:01:06.289 INFO [stderr]  --> src/lib.rs:1:12
Nov 30 16:01:06.289 INFO [stderr]   |
Nov 30 16:01:06.289 INFO [stderr] 1 | #![feature(proc_macro)]
Nov 30 16:01:06.289 INFO [stderr]   |            ^^^^^^^^^^
Nov 30 16:01:06.289 INFO [stderr]   |
Nov 30 16:01:06.289 INFO [stderr]   = note: #[warn(stable_features)] on by default
Nov 30 16:01:06.289 INFO [stderr] 
Nov 30 16:01:08.740 INFO [stderr] warning: the feature `proc_macro` has been stable since 1.29.0 and no longer requires an attribute to enable
Nov 30 16:01:08.740 INFO [stderr]  --> src/main.rs:1:12
Nov 30 16:01:08.740 INFO [stderr]   |
Nov 30 16:01:08.740 INFO [stderr] 1 | #![feature(proc_macro)]
Nov 30 16:01:08.740 INFO [stderr]   |            ^^^^^^^^^^
Nov 30 16:01:08.740 INFO [stderr]   |
Nov 30 16:01:08.740 INFO [stderr]   = note: #[warn(stable_features)] on by default
Nov 30 16:01:08.740 INFO [stderr] 
Nov 30 16:01:09.444 INFO [stderr] warning: the feature `proc_macro` has been stable since 1.29.0 and no longer requires an attribute to enable
Nov 30 16:01:09.444 INFO [stderr]  --> src/main.rs:1:12
Nov 30 16:01:09.444 INFO [stderr]   |
Nov 30 16:01:09.444 INFO [stderr] 1 | #![feature(proc_macro)]
Nov 30 16:01:09.444 INFO [stderr]   |            ^^^^^^^^^^
Nov 30 16:01:09.444 INFO [stderr]   |
Nov 30 16:01:09.444 INFO [stderr]   = note: #[warn(stable_features)] on by default
Nov 30 16:01:09.444 INFO [stderr] 
Nov 30 16:01:09.484 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 37.17s
Nov 30 16:01:09.492 INFO [stderr] su: No module specific data is present
Nov 30 16:01:10.663 INFO running `"docker" "inspect" "327760367fcd83d5d5bf0455cf12f430fc1cc581c150f1cb471e56a11992e501"`
Nov 30 16:01:11.024 INFO running `"docker" "rm" "-f" "327760367fcd83d5d5bf0455cf12f430fc1cc581c150f1cb471e56a11992e501"`
Nov 30 16:01:11.360 INFO [stdout] 327760367fcd83d5d5bf0455cf12f430fc1cc581c150f1cb471e56a11992e501