Dec 12 13:05:22.310 INFO checking hydrogen-0.1.4 against master#3a75e80557a103497cffbcab395a2f37061a77ea for pr-56677
Dec 12 13:05:22.310 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 13:05:22.552 INFO [stdout] 22349c51017b9d3c83725cb90b89a5a838c687a054caee7b64627d3ffe0acef7
Dec 12 13:05:22.558 INFO running `"docker" "start" "-a" "22349c51017b9d3c83725cb90b89a5a838c687a054caee7b64627d3ffe0acef7"`
Dec 12 13:05:23.189 INFO [stderr] usermod: no changes
Dec 12 13:05:23.244 INFO [stderr]     Checking threadpool v1.0.2
Dec 12 13:05:23.244 INFO [stderr]     Checking simple-slab v0.2.3
Dec 12 13:05:23.923 INFO [stderr]     Checking hydrogen v0.1.4 (/source)
Dec 12 13:05:24.776 INFO [stderr] warning: unused import: `Stream`
Dec 12 13:05:24.776 INFO [stderr]   --> src/server.rs:25:13
Dec 12 13:05:24.776 INFO [stderr]    |
Dec 12 13:05:24.776 INFO [stderr] 25 | use super::{Stream, Handler};
Dec 12 13:05:24.776 INFO [stderr]    |             ^^^^^^
Dec 12 13:05:24.776 INFO [stderr]    |
Dec 12 13:05:24.776 INFO [stderr]    = note: #[warn(unused_imports)] on by default
Dec 12 13:05:24.776 INFO [stderr] 
Dec 12 13:05:24.859 INFO [stderr] warning: static variable `epfd` should have an upper case name such as `EPFD`
Dec 12 13:05:24.859 INFO [stderr]   --> src/server.rs:45:1
Dec 12 13:05:24.859 INFO [stderr]    |
Dec 12 13:05:24.859 INFO [stderr] 45 | static mut epfd: RawFd = 0 as RawFd;
Dec 12 13:05:24.859 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 13:05:24.859 INFO [stderr]    |
Dec 12 13:05:24.859 INFO [stderr]    = note: #[warn(non_upper_case_globals)] on by default
Dec 12 13:05:24.859 INFO [stderr] 
Dec 12 13:05:24.900 INFO [stderr] warning: unused import: `Stream`
Dec 12 13:05:24.900 INFO [stderr]   --> src/server.rs:25:13
Dec 12 13:05:24.900 INFO [stderr]    |
Dec 12 13:05:24.900 INFO [stderr] 25 | use super::{Stream, Handler};
Dec 12 13:05:24.900 INFO [stderr]    |             ^^^^^^
Dec 12 13:05:24.900 INFO [stderr]    |
Dec 12 13:05:24.900 INFO [stderr]    = note: #[warn(unused_imports)] on by default
Dec 12 13:05:24.900 INFO [stderr] 
Dec 12 13:05:24.992 INFO [stderr] warning: static variable `epfd` should have an upper case name such as `EPFD`
Dec 12 13:05:24.992 INFO [stderr]   --> src/server.rs:45:1
Dec 12 13:05:24.992 INFO [stderr]    |
Dec 12 13:05:24.992 INFO [stderr] 45 | static mut epfd: RawFd = 0 as RawFd;
Dec 12 13:05:24.992 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 13:05:24.992 INFO [stderr]    |
Dec 12 13:05:24.992 INFO [stderr]    = note: #[warn(non_upper_case_globals)] on by default
Dec 12 13:05:24.992 INFO [stderr] 
Dec 12 13:05:25.012 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.80s
Dec 12 13:05:25.016 INFO [stderr] su: No module specific data is present
Dec 12 13:05:25.326 INFO running `"docker" "inspect" "22349c51017b9d3c83725cb90b89a5a838c687a054caee7b64627d3ffe0acef7"`
Dec 12 13:05:25.446 INFO running `"docker" "rm" "-f" "22349c51017b9d3c83725cb90b89a5a838c687a054caee7b64627d3ffe0acef7"`
Dec 12 13:05:25.567 INFO [stdout] 22349c51017b9d3c83725cb90b89a5a838c687a054caee7b64627d3ffe0acef7