Dec 04 21:07:40.868 INFO checking cesare/rust_slack_client against try#1df97983eb2057dc6a8f7eb364e263b51ae23230 for pr-56481
Dec 04 21:07:40.868 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-3/try#1df97983eb2057dc6a8f7eb364e263b51ae23230:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/pr-56481/try#1df97983eb2057dc6a8f7eb364e263b51ae23230:/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 +1df97983eb2057dc6a8f7eb364e263b51ae23230-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 04 21:07:46.107 INFO [stdout] 4b556edfd1f0fde1229e3d22cfd77a2ca11b8105856e1735a47720456c47e876
Dec 04 21:07:46.109 INFO running `"docker" "start" "-a" "4b556edfd1f0fde1229e3d22cfd77a2ca11b8105856e1735a47720456c47e876"`
Dec 04 21:07:47.072 INFO [stderr] usermod: no changes
Dec 04 21:07:47.398 INFO [stderr]     Checking tokio-io v0.1.8
Dec 04 21:07:47.398 INFO [stderr]    Compiling openssl v0.10.11
Dec 04 21:07:47.398 INFO [stderr]    Compiling native-tls v0.2.1
Dec 04 21:07:47.398 INFO [stderr]     Checking tokio-threadpool v0.1.6
Dec 04 21:07:49.324 INFO [stderr]     Checking tokio-reactor v0.1.5
Dec 04 21:07:49.324 INFO [stderr]     Checking tokio-codec v0.1.0
Dec 04 21:07:49.324 INFO [stderr]     Checking h2 v0.1.12
Dec 04 21:07:51.057 INFO [stderr]     Checking tokio-fs v0.1.3
Dec 04 21:07:54.711 INFO [stderr]     Checking tokio-tcp v0.1.1
Dec 04 21:07:54.711 INFO [stderr]     Checking tokio-uds v0.2.1
Dec 04 21:07:54.713 INFO [stderr]     Checking tokio-udp v0.1.2
Dec 04 21:08:01.736 INFO [stderr]     Checking tokio v0.1.8
Dec 04 21:08:04.591 INFO [stderr]     Checking hyper v0.12.9
Dec 04 21:08:10.191 INFO [stderr]     Checking hyper-tls v0.3.0
Dec 04 21:08:13.058 INFO [stderr]     Checking slack_client v0.1.0 (/source)
Dec 04 21:08:18.415 INFO [stderr] warning: field is never used: `client`
Dec 04 21:08:18.415 INFO [stderr]   --> src/conversation.rs:45:5
Dec 04 21:08:18.415 INFO [stderr]    |
Dec 04 21:08:18.415 INFO [stderr] 45 |     client: HttpClient,
Dec 04 21:08:18.415 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^
Dec 04 21:08:18.415 INFO [stderr]    |
Dec 04 21:08:18.415 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 04 21:08:18.415 INFO [stderr] 
Dec 04 21:08:24.199 INFO [stderr] warning: field is never used: `client`
Dec 04 21:08:24.199 INFO [stderr]   --> src/conversation.rs:45:5
Dec 04 21:08:24.199 INFO [stderr]    |
Dec 04 21:08:24.199 INFO [stderr] 45 |     client: HttpClient,
Dec 04 21:08:24.200 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^
Dec 04 21:08:24.200 INFO [stderr]    |
Dec 04 21:08:24.211 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 04 21:08:24.211 INFO [stderr] 
Dec 04 21:08:42.739 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 55.63s
Dec 04 21:08:42.752 INFO [stderr] su: No module specific data is present
Dec 04 21:08:43.811 INFO running `"docker" "inspect" "4b556edfd1f0fde1229e3d22cfd77a2ca11b8105856e1735a47720456c47e876"`
Dec 04 21:08:44.109 INFO running `"docker" "rm" "-f" "4b556edfd1f0fde1229e3d22cfd77a2ca11b8105856e1735a47720456c47e876"`
Dec 04 21:08:44.460 INFO [stdout] 4b556edfd1f0fde1229e3d22cfd77a2ca11b8105856e1735a47720456c47e876