Dec 11 14:04:07.557 INFO checking maseb/knave against master#3a75e80557a103497cffbcab395a2f37061a77ea for pr-56677
Dec 11 14:04:07.557 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56677/worker-0/master#3a75e80557a103497cffbcab395a2f37061a77ea:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/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 11 14:04:08.052 INFO [stdout] 000a8874e0881499846509f5f6dba2156ccee56707626320eee7f963f76e1245
Dec 11 14:04:08.058 INFO running `"docker" "start" "-a" "000a8874e0881499846509f5f6dba2156ccee56707626320eee7f963f76e1245"`
Dec 11 14:04:09.728 INFO [stderr] usermod: no changes
Dec 11 14:04:10.313 INFO [stderr]    Compiling actix-web v0.6.10
Dec 11 14:04:10.320 INFO [stderr]    Compiling proc-macro2 v0.4.5
Dec 11 14:04:10.367 INFO [stderr]     Checking mio v0.6.14
Dec 11 14:04:10.369 INFO [stderr]     Checking tokio-io v0.1.6
Dec 11 14:04:10.369 INFO [stderr]     Checking parking_lot v0.5.5
Dec 11 14:04:10.369 INFO [stderr]     Checking regex v1.0.0
Dec 11 14:04:10.370 INFO [stderr]     Checking tokio-threadpool v0.1.3
Dec 11 14:04:14.893 INFO [stderr]     Checking crossbeam-channel v0.1.3
Dec 11 14:04:16.204 INFO [stderr]     Checking h2 v0.1.9
Dec 11 14:04:19.032 INFO [stderr]     Checking tokio-fs v0.1.0
Dec 11 14:04:19.214 INFO [stderr]    Compiling quote v0.6.3
Dec 11 14:04:20.425 INFO [stderr]     Checking tokio-reactor v0.1.1
Dec 11 14:04:20.425 INFO [stderr]     Checking mio-uds v0.6.6
Dec 11 14:04:22.454 INFO [stderr]    Compiling syn v0.14.2
Dec 11 14:04:24.866 INFO [stderr]     Checking tokio-tcp v0.1.0
Dec 11 14:04:24.868 INFO [stderr]     Checking tokio-udp v0.1.0
Dec 11 14:04:27.293 INFO [stderr]     Checking tokio v0.1.6
Dec 11 14:04:30.477 INFO [stderr]     Checking tokio-core v0.1.17
Dec 11 14:04:34.197 INFO [stderr]     Checking trust-dns-proto v0.3.3
Dec 11 14:04:34.197 INFO [stderr]     Checking tokio-signal v0.1.5
Dec 11 14:04:40.714 INFO [stderr]    Compiling serde_derive v1.0.66
Dec 11 14:04:44.615 INFO [stderr]     Checking trust-dns-resolver v0.8.2
Dec 11 14:04:59.077 INFO [stderr]    Compiling cargo_metadata v0.5.5
Dec 11 14:05:03.420 INFO [stderr]    Compiling skeptic v0.13.3
Dec 11 14:05:08.420 INFO [stderr]    Compiling actix v0.5.7
Dec 11 14:05:26.160 INFO [stderr]     Checking knave v0.1.0 (/source)
Dec 11 14:05:28.601 INFO [stderr] warning: unused import: `future`
Dec 11 14:05:28.601 INFO [stderr]  --> src/main.rs:4:15
Dec 11 14:05:28.601 INFO [stderr]   |
Dec 11 14:05:28.601 INFO [stderr] 4 | use futures::{future, Future};
Dec 11 14:05:28.601 INFO [stderr]   |               ^^^^^^
Dec 11 14:05:28.601 INFO [stderr]   |
Dec 11 14:05:28.601 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 11 14:05:28.601 INFO [stderr] 
Dec 11 14:05:29.600 INFO [stderr] warning: unused import: `future`
Dec 11 14:05:29.600 INFO [stderr]  --> src/main.rs:4:15
Dec 11 14:05:29.600 INFO [stderr]   |
Dec 11 14:05:29.600 INFO [stderr] 4 | use futures::{future, Future};
Dec 11 14:05:29.600 INFO [stderr]   |               ^^^^^^
Dec 11 14:05:29.600 INFO [stderr]   |
Dec 11 14:05:29.600 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 11 14:05:29.600 INFO [stderr] 
Dec 11 14:05:29.661 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 19s
Dec 11 14:05:29.677 INFO [stderr] su: No module specific data is present
Dec 11 14:05:30.710 INFO running `"docker" "inspect" "000a8874e0881499846509f5f6dba2156ccee56707626320eee7f963f76e1245"`
Dec 11 14:05:31.042 INFO running `"docker" "rm" "-f" "000a8874e0881499846509f5f6dba2156ccee56707626320eee7f963f76e1245"`
Dec 11 14:05:31.363 INFO [stdout] 000a8874e0881499846509f5f6dba2156ccee56707626320eee7f963f76e1245