Nov 30 17:48:41.969 INFO checking prometheus-static-metric-0.1.4 against master#a49316ddc99d9d595193557fc899f6c52e4d9af9 for pr-56323
Nov 30 17:48:41.969 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56323/worker-1/master#a49316ddc99d9d595193557fc899f6c52e4d9af9:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-1/pr-56323/master#a49316ddc99d9d595193557fc899f6c52e4d9af9:/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 +a49316ddc99d9d595193557fc899f6c52e4d9af9-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 17:48:42.229 INFO [stdout] d3a0b209e9ccbdcbecd4d9a6080091a5033e0314bff2cf293b36ec2f8a14c8f4
Nov 30 17:48:42.234 INFO running `"docker" "start" "-a" "d3a0b209e9ccbdcbecd4d9a6080091a5033e0314bff2cf293b36ec2f8a14c8f4"`
Nov 30 17:48:42.808 INFO [stderr] usermod: no changes
Nov 30 17:48:42.886 INFO [stderr]     Checking proc-macro2 v0.3.8
Nov 30 17:48:42.886 INFO [stderr]     Checking prometheus v0.4.2
Nov 30 17:48:47.033 INFO [stderr]     Checking quote v0.5.2
Nov 30 17:48:50.418 INFO [stderr]     Checking syn v0.13.11
Nov 30 17:49:00.302 INFO [stderr]     Checking prometheus-static-metric v0.1.4 (/source)
Nov 30 17:49:03.896 INFO [stderr] warning: unused `#[macro_use]` import
Nov 30 17:49:03.896 INFO [stderr]   --> src/lib.rs:22:1
Nov 30 17:49:03.896 INFO [stderr]    |
Nov 30 17:49:03.896 INFO [stderr] 22 | #[macro_use]
Nov 30 17:49:03.896 INFO [stderr]    | ^^^^^^^^^^^^
Nov 30 17:49:03.896 INFO [stderr]    |
Nov 30 17:49:03.896 INFO [stderr]    = note: #[warn(unused_imports)] on by default
Nov 30 17:49:03.896 INFO [stderr] 
Nov 30 17:49:04.284 INFO [stderr] warning: the feature `proc_macro` has been stable since 1.29.0 and no longer requires an attribute to enable
Nov 30 17:49:04.284 INFO [stderr]   --> src/lib.rs:14:12
Nov 30 17:49:04.284 INFO [stderr]    |
Nov 30 17:49:04.284 INFO [stderr] 14 | #![feature(proc_macro)]
Nov 30 17:49:04.284 INFO [stderr]    |            ^^^^^^^^^^
Nov 30 17:49:04.284 INFO [stderr]    |
Nov 30 17:49:04.284 INFO [stderr]    = note: #[warn(stable_features)] on by default
Nov 30 17:49:04.284 INFO [stderr] 
Nov 30 17:49:04.470 INFO [stderr] warning: unused `#[macro_use]` import
Nov 30 17:49:04.470 INFO [stderr]   --> src/lib.rs:22:1
Nov 30 17:49:04.470 INFO [stderr]    |
Nov 30 17:49:04.470 INFO [stderr] 22 | #[macro_use]
Nov 30 17:49:04.470 INFO [stderr]    | ^^^^^^^^^^^^
Nov 30 17:49:04.470 INFO [stderr]    |
Nov 30 17:49:04.470 INFO [stderr]    = note: #[warn(unused_imports)] on by default
Nov 30 17:49:04.470 INFO [stderr] 
Nov 30 17:49:04.812 INFO [stderr] warning: the feature `proc_macro` has been stable since 1.29.0 and no longer requires an attribute to enable
Nov 30 17:49:04.812 INFO [stderr]   --> src/lib.rs:14:12
Nov 30 17:49:04.812 INFO [stderr]    |
Nov 30 17:49:04.812 INFO [stderr] 14 | #![feature(proc_macro)]
Nov 30 17:49:04.812 INFO [stderr]    |            ^^^^^^^^^^
Nov 30 17:49:04.812 INFO [stderr]    |
Nov 30 17:49:04.812 INFO [stderr]    = note: #[warn(stable_features)] on by default
Nov 30 17:49:04.812 INFO [stderr] 
Nov 30 17:49:04.844 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 22.02s
Nov 30 17:49:04.847 INFO [stderr] su: No module specific data is present
Nov 30 17:49:05.280 INFO running `"docker" "inspect" "d3a0b209e9ccbdcbecd4d9a6080091a5033e0314bff2cf293b36ec2f8a14c8f4"`
Nov 30 17:49:05.406 INFO running `"docker" "rm" "-f" "d3a0b209e9ccbdcbecd4d9a6080091a5033e0314bff2cf293b36ec2f8a14c8f4"`
Nov 30 17:49:05.566 INFO [stdout] d3a0b209e9ccbdcbecd4d9a6080091a5033e0314bff2cf293b36ec2f8a14c8f4