Dec 12 06:22:26.097 INFO checking test_double-0.1.1 against try#aa9aa79c3c583aab59ac9134542d60a780c35e2e for pr-56677
Dec 12 06:22:26.097 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56677/worker-2/try#aa9aa79c3c583aab59ac9134542d60a780c35e2e:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/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 12 06:22:26.478 INFO [stdout] 3e3e9802179f6a1374d0e14e2535be9577f90f50f56d73490dc7962ad181fc77
Dec 12 06:22:26.480 INFO running `"docker" "start" "-a" "3e3e9802179f6a1374d0e14e2535be9577f90f50f56d73490dc7962ad181fc77"`
Dec 12 06:22:27.748 INFO [stderr] usermod: no changes
Dec 12 06:22:27.829 INFO [stderr]     Checking proc-macro2 v0.2.3
Dec 12 06:22:28.840 INFO [stderr]     Checking quote v0.4.2
Dec 12 06:22:29.605 INFO [stderr]     Checking syn v0.12.15
Dec 12 06:22:34.390 INFO [stderr]     Checking test_double v0.1.1 (/source)
Dec 12 06:22:35.148 INFO [stderr] warning: the feature `proc_macro` has been stable since 1.29.0 and no longer requires an attribute to enable
Dec 12 06:22:35.148 INFO [stderr]  --> src/lib.rs:1:12
Dec 12 06:22:35.148 INFO [stderr]   |
Dec 12 06:22:35.148 INFO [stderr] 1 | #![feature(proc_macro)]
Dec 12 06:22:35.148 INFO [stderr]   |            ^^^^^^^^^^
Dec 12 06:22:35.148 INFO [stderr]   |
Dec 12 06:22:35.148 INFO [stderr]   = note: #[warn(stable_features)] on by default
Dec 12 06:22:35.148 INFO [stderr] 
Dec 12 06:22:35.628 INFO [stderr] warning: the feature `proc_macro` has been stable since 1.29.0 and no longer requires an attribute to enable
Dec 12 06:22:35.628 INFO [stderr]  --> src/lib.rs:1:12
Dec 12 06:22:35.628 INFO [stderr]   |
Dec 12 06:22:35.628 INFO [stderr] 1 | #![feature(proc_macro)]
Dec 12 06:22:35.628 INFO [stderr]   |            ^^^^^^^^^^
Dec 12 06:22:35.628 INFO [stderr]   |
Dec 12 06:22:35.628 INFO [stderr]   = note: #[warn(stable_features)] on by default
Dec 12 06:22:35.628 INFO [stderr] 
Dec 12 06:22:35.656 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.89s
Dec 12 06:22:35.663 INFO [stderr] su: No module specific data is present
Dec 12 06:22:36.385 INFO running `"docker" "inspect" "3e3e9802179f6a1374d0e14e2535be9577f90f50f56d73490dc7962ad181fc77"`
Dec 12 06:22:36.726 INFO running `"docker" "rm" "-f" "3e3e9802179f6a1374d0e14e2535be9577f90f50f56d73490dc7962ad181fc77"`
Dec 12 06:22:37.160 INFO [stdout] 3e3e9802179f6a1374d0e14e2535be9577f90f50f56d73490dc7962ad181fc77