Dec 19 17:43:09.259 INFO checking dthg/tower-hello against master#d99a320cba42f661aebfa1293b7b2ec3603dda75 for pr-56955
Dec 19 17:43:09.259 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-3/master#d99a320cba42f661aebfa1293b7b2ec3603dda75:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/master#d99a320cba42f661aebfa1293b7b2ec3603dda75/gh/dthg/tower-hello:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+d99a320cba42f661aebfa1293b7b2ec3603dda75-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 19 17:43:09.636 INFO [stdout] 74058d9d4c687e08b128ae6beee626f5a1086952d82728b454568125c531d035
Dec 19 17:43:09.638 INFO running `"docker" "start" "-a" "74058d9d4c687e08b128ae6beee626f5a1086952d82728b454568125c531d035"`
Dec 19 17:43:11.423 INFO [stderr]     Checking tower-service v0.1.0
Dec 19 17:43:11.423 INFO [stderr]    Compiling iovec v0.1.2
Dec 19 17:43:11.423 INFO [stderr]    Compiling miniz-sys v0.1.10
Dec 19 17:43:11.439 INFO [stderr]     Checking http v0.1.12
Dec 19 17:43:11.451 INFO [stderr]     Checking atoi v0.2.3
Dec 19 17:43:11.457 INFO [stderr]     Checking serde_plain v0.3.0
Dec 19 17:43:11.460 INFO [stderr]    Compiling syn v0.14.9
Dec 19 17:43:12.788 INFO [stderr]    Compiling bytes v0.4.10
Dec 19 17:43:15.920 INFO [stderr]     Checking flate2 v1.0.2
Dec 19 17:43:19.616 INFO [stderr]     Checking h2 v0.1.12
Dec 19 17:43:27.390 INFO [stderr]     Checking hyper v0.12.9
Dec 19 17:43:47.234 INFO [stderr]    Compiling tower-web-macros v0.2.1
Dec 19 17:44:05.469 INFO [stderr]     Checking tower-web v0.2.2
Dec 19 17:44:13.190 INFO [stderr]     Checking tower-hello v0.1.0 (/opt/crater/workdir)
Dec 19 17:44:15.980 INFO [stderr] warning: unused `#[macro_use]` import
Dec 19 17:44:15.980 INFO [stderr]  --> src/main.rs:4:1
Dec 19 17:44:15.980 INFO [stderr]   |
Dec 19 17:44:15.980 INFO [stderr] 4 | #[macro_use]
Dec 19 17:44:15.980 INFO [stderr]   | ^^^^^^^^^^^^
Dec 19 17:44:15.980 INFO [stderr]   |
Dec 19 17:44:15.980 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 19 17:44:15.980 INFO [stderr] 
Dec 19 17:44:16.008 INFO [stderr] warning: unused `#[macro_use]` import
Dec 19 17:44:16.008 INFO [stderr]  --> src/main.rs:4:1
Dec 19 17:44:16.008 INFO [stderr]   |
Dec 19 17:44:16.008 INFO [stderr] 4 | #[macro_use]
Dec 19 17:44:16.008 INFO [stderr]   | ^^^^^^^^^^^^
Dec 19 17:44:16.008 INFO [stderr]   |
Dec 19 17:44:16.008 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 19 17:44:16.008 INFO [stderr] 
Dec 19 17:44:16.244 INFO [stderr] warning: unused import: `tokio::prelude`
Dec 19 17:44:16.244 INFO [stderr]  --> src/main.rs:8:5
Dec 19 17:44:16.244 INFO [stderr]   |
Dec 19 17:44:16.244 INFO [stderr] 8 | use tokio::prelude::*;
Dec 19 17:44:16.244 INFO [stderr]   |     ^^^^^^^^^^^^^^
Dec 19 17:44:16.244 INFO [stderr] 
Dec 19 17:44:16.276 INFO [stderr] warning: unused import: `tokio::prelude`
Dec 19 17:44:16.276 INFO [stderr]  --> src/main.rs:8:5
Dec 19 17:44:16.276 INFO [stderr]   |
Dec 19 17:44:16.276 INFO [stderr] 8 | use tokio::prelude::*;
Dec 19 17:44:16.276 INFO [stderr]   |     ^^^^^^^^^^^^^^
Dec 19 17:44:16.296 INFO [stderr] 
Dec 19 17:44:16.464 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 05s
Dec 19 17:44:17.360 INFO running `"docker" "inspect" "74058d9d4c687e08b128ae6beee626f5a1086952d82728b454568125c531d035"`
Dec 19 17:44:17.624 INFO running `"docker" "rm" "-f" "74058d9d4c687e08b128ae6beee626f5a1086952d82728b454568125c531d035"`
Dec 19 17:44:17.859 INFO [stdout] 74058d9d4c687e08b128ae6beee626f5a1086952d82728b454568125c531d035