Oct 13 10:38:04.048 INFO checking prometheus-static-metric-0.1.4 against try#4021bd0b3c5815b087d6db10ce461e7e4854ade7 for pr-54977
Oct 13 10:38:04.048 INFO running `"docker" "create" "-v" "/mnt/big/crater/./work/local/target-dirs/pr-54977/worker-3/try#4021bd0b3c5815b087d6db10ce461e7e4854ade7:/target:rw,Z" "-v" "/mnt/big/crater/./work/local/test-source/worker-3/pr-54977/try#4021bd0b3c5815b087d6db10ce461e7e4854ade7:/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 +4021bd0b3c5815b087d6db10ce461e7e4854ade7-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"`
Oct 13 10:38:04.390 INFO blam! 597f6a0f2ff8bfddab87c236c18cfbca60c09318013e14b8425c665e074fb152
Oct 13 10:38:04.392 INFO running `"docker" "start" "-a" "597f6a0f2ff8bfddab87c236c18cfbca60c09318013e14b8425c665e074fb152"`
Oct 13 10:38:05.200 INFO kablam! usermod: no changes
Oct 13 10:38:05.265 INFO kablam!    Compiling prometheus v0.4.2
Oct 13 10:38:05.268 INFO kablam!     Checking fnv v1.0.6
Oct 13 10:38:05.269 INFO kablam!     Checking quick-error v0.2.2
Oct 13 10:38:05.269 INFO kablam!     Checking lazy_static v0.2.11
Oct 13 10:38:05.269 INFO kablam!     Checking spin v0.4.9
Oct 13 10:38:05.277 INFO kablam!     Checking protobuf v2.1.1
Oct 13 10:38:05.278 INFO kablam!     Checking syn v0.13.11
Oct 13 10:38:18.660 INFO kablam!     Checking prometheus-static-metric v0.1.4 (/source)
Oct 13 10:38:22.602 INFO kablam! warning: unused `#[macro_use]` import
Oct 13 10:38:22.602 INFO kablam!   --> src/lib.rs:22:1
Oct 13 10:38:22.602 INFO kablam!    |
Oct 13 10:38:22.602 INFO kablam! 22 | #[macro_use]
Oct 13 10:38:22.602 INFO kablam!    | ^^^^^^^^^^^^
Oct 13 10:38:22.602 INFO kablam!    |
Oct 13 10:38:22.602 INFO kablam!    = note: #[warn(unused_imports)] on by default
Oct 13 10:38:22.602 INFO kablam! 
Oct 13 10:38:23.216 INFO kablam! warning: the feature `proc_macro` has been stable since 1.29.0 and no longer requires an attribute to enable
Oct 13 10:38:23.216 INFO kablam!   --> src/lib.rs:14:12
Oct 13 10:38:23.216 INFO kablam!    |
Oct 13 10:38:23.216 INFO kablam! 14 | #![feature(proc_macro)]
Oct 13 10:38:23.216 INFO kablam!    |            ^^^^^^^^^^
Oct 13 10:38:23.216 INFO kablam!    |
Oct 13 10:38:23.216 INFO kablam!    = note: #[warn(stable_features)] on by default
Oct 13 10:38:23.216 INFO kablam! 
Oct 13 10:38:23.284 INFO kablam! warning: unused `#[macro_use]` import
Oct 13 10:38:23.284 INFO kablam!   --> src/lib.rs:22:1
Oct 13 10:38:23.284 INFO kablam!    |
Oct 13 10:38:23.284 INFO kablam! 22 | #[macro_use]
Oct 13 10:38:23.284 INFO kablam!    | ^^^^^^^^^^^^
Oct 13 10:38:23.284 INFO kablam!    |
Oct 13 10:38:23.284 INFO kablam!    = note: #[warn(unused_imports)] on by default
Oct 13 10:38:23.284 INFO kablam! 
Oct 13 10:38:23.632 INFO kablam! warning: the feature `proc_macro` has been stable since 1.29.0 and no longer requires an attribute to enable
Oct 13 10:38:23.632 INFO kablam!   --> src/lib.rs:14:12
Oct 13 10:38:23.632 INFO kablam!    |
Oct 13 10:38:23.632 INFO kablam! 14 | #![feature(proc_macro)]
Oct 13 10:38:23.632 INFO kablam!    |            ^^^^^^^^^^
Oct 13 10:38:23.632 INFO kablam!    |
Oct 13 10:38:23.632 INFO kablam!    = note: #[warn(stable_features)] on by default
Oct 13 10:38:23.632 INFO kablam! 
Oct 13 10:38:23.709 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 18.47s
Oct 13 10:38:23.709 INFO kablam! su: No module specific data is present
Oct 13 10:38:24.360 INFO running `"docker" "rm" "-f" "597f6a0f2ff8bfddab87c236c18cfbca60c09318013e14b8425c665e074fb152"`
Oct 13 10:38:24.624 INFO blam! 597f6a0f2ff8bfddab87c236c18cfbca60c09318013e14b8425c665e074fb152