Dec 12 14:59:58.115 INFO checking fixed_width_derive-0.1.0 against master#3a75e80557a103497cffbcab395a2f37061a77ea for pr-56677
Dec 12 14:59:58.115 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56677/worker-3/master#3a75e80557a103497cffbcab395a2f37061a77ea:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/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 12 14:59:58.396 INFO [stdout] ed0a080f4d7aa1fd7556f70584438e4ec9fda51109f7fd3f2dae2e2139efc18b
Dec 12 14:59:58.402 INFO running `"docker" "start" "-a" "ed0a080f4d7aa1fd7556f70584438e4ec9fda51109f7fd3f2dae2e2139efc18b"`
Dec 12 14:59:59.193 INFO [stderr] usermod: no changes
Dec 12 14:59:59.283 INFO [stderr]    Compiling fixed_width v0.1.0
Dec 12 14:59:59.283 INFO [stderr]     Checking syn v0.14.9
Dec 12 15:00:00.858 INFO [stderr]    Compiling fixed_width_derive v0.1.0 (/source)
Dec 12 15:00:02.132 INFO [stderr] warning: the feature `proc_macro` has been stable since 1.29.0 and no longer requires an attribute to enable
Dec 12 15:00:02.132 INFO [stderr]   --> src/lib.rs:89:12
Dec 12 15:00:02.132 INFO [stderr]    |
Dec 12 15:00:02.132 INFO [stderr] 89 | #![feature(proc_macro)]
Dec 12 15:00:02.132 INFO [stderr]    |            ^^^^^^^^^^
Dec 12 15:00:02.132 INFO [stderr]    |
Dec 12 15:00:02.132 INFO [stderr]    = note: #[warn(stable_features)] on by default
Dec 12 15:00:02.132 INFO [stderr] 
Dec 12 15:00:02.132 INFO [stderr] warning: the feature `extern_prelude` has been stable since 1.30.0 and no longer requires an attribute to enable
Dec 12 15:00:02.132 INFO [stderr]   --> src/lib.rs:90:12
Dec 12 15:00:02.132 INFO [stderr]    |
Dec 12 15:00:02.132 INFO [stderr] 90 | #![feature(extern_prelude)]
Dec 12 15:00:02.132 INFO [stderr]    |            ^^^^^^^^^^^^^^
Dec 12 15:00:02.132 INFO [stderr] 
Dec 12 15:00:05.564 INFO [stderr] warning: the feature `proc_macro` has been stable since 1.29.0 and no longer requires an attribute to enable
Dec 12 15:00:05.564 INFO [stderr]   --> src/lib.rs:89:12
Dec 12 15:00:05.564 INFO [stderr]    |
Dec 12 15:00:05.564 INFO [stderr] 89 | #![feature(proc_macro)]
Dec 12 15:00:05.564 INFO [stderr]    |            ^^^^^^^^^^
Dec 12 15:00:05.564 INFO [stderr]    |
Dec 12 15:00:05.564 INFO [stderr]    = note: #[warn(stable_features)] on by default
Dec 12 15:00:05.564 INFO [stderr] 
Dec 12 15:00:05.564 INFO [stderr] warning: the feature `extern_prelude` has been stable since 1.30.0 and no longer requires an attribute to enable
Dec 12 15:00:05.564 INFO [stderr]   --> src/lib.rs:90:12
Dec 12 15:00:05.564 INFO [stderr]    |
Dec 12 15:00:05.564 INFO [stderr] 90 | #![feature(extern_prelude)]
Dec 12 15:00:05.564 INFO [stderr]    |            ^^^^^^^^^^^^^^
Dec 12 15:00:05.564 INFO [stderr] 
Dec 12 15:00:05.643 INFO [stderr] warning: the feature `proc_macro` has been stable since 1.29.0 and no longer requires an attribute to enable
Dec 12 15:00:05.643 INFO [stderr]   --> src/lib.rs:89:12
Dec 12 15:00:05.643 INFO [stderr]    |
Dec 12 15:00:05.643 INFO [stderr] 89 | #![feature(proc_macro)]
Dec 12 15:00:05.643 INFO [stderr]    |            ^^^^^^^^^^
Dec 12 15:00:05.643 INFO [stderr]    |
Dec 12 15:00:05.643 INFO [stderr]    = note: #[warn(stable_features)] on by default
Dec 12 15:00:05.643 INFO [stderr] 
Dec 12 15:00:05.643 INFO [stderr] warning: the feature `extern_prelude` has been stable since 1.30.0 and no longer requires an attribute to enable
Dec 12 15:00:05.643 INFO [stderr]   --> src/lib.rs:90:12
Dec 12 15:00:05.643 INFO [stderr]    |
Dec 12 15:00:05.643 INFO [stderr] 90 | #![feature(extern_prelude)]
Dec 12 15:00:05.643 INFO [stderr]    |            ^^^^^^^^^^^^^^
Dec 12 15:00:05.643 INFO [stderr] 
Dec 12 15:00:05.923 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.71s
Dec 12 15:00:05.936 INFO [stderr] su: No module specific data is present
Dec 12 15:00:06.259 INFO running `"docker" "inspect" "ed0a080f4d7aa1fd7556f70584438e4ec9fda51109f7fd3f2dae2e2139efc18b"`
Dec 12 15:00:06.370 INFO running `"docker" "rm" "-f" "ed0a080f4d7aa1fd7556f70584438e4ec9fda51109f7fd3f2dae2e2139efc18b"`
Dec 12 15:00:06.544 INFO [stdout] ed0a080f4d7aa1fd7556f70584438e4ec9fda51109f7fd3f2dae2e2139efc18b