Nov 30 08:28:00.638 INFO checking Swoorup/rtasks against master#a49316ddc99d9d595193557fc899f6c52e4d9af9 for pr-56323 Nov 30 08:28:00.638 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56323/worker-5/master#a49316ddc99d9d595193557fc899f6c52e4d9af9:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-5/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 08:28:00.804 INFO [stdout] 1421e75d83b28c91b2b47942aebc23fa7402dddd7a38ee2fe6212b1f062de668 Nov 30 08:28:00.806 INFO running `"docker" "start" "-a" "1421e75d83b28c91b2b47942aebc23fa7402dddd7a38ee2fe6212b1f062de668"` Nov 30 08:28:01.200 INFO [stderr] usermod: no changes Nov 30 08:28:01.368 INFO [stderr] Checking futures v0.1.25 Nov 30 08:28:04.467 INFO [stderr] Checking tokio-executor v0.1.5 Nov 30 08:28:04.467 INFO [stderr] Checking tokio-io v0.1.9 Nov 30 08:28:04.467 INFO [stderr] Checking futures-cpupool v0.1.8 Nov 30 08:28:04.467 INFO [stderr] Checking want v0.0.6 Nov 30 08:28:06.228 INFO [stderr] Checking tokio-threadpool v0.1.7 Nov 30 08:28:06.228 INFO [stderr] Checking tokio-current-thread v0.1.3 Nov 30 08:28:06.228 INFO [stderr] Checking tokio-timer v0.2.7 Nov 30 08:28:07.913 INFO [stderr] Checking tokio-reactor v0.1.6 Nov 30 08:28:07.913 INFO [stderr] Checking tokio-codec v0.1.1 Nov 30 08:28:07.913 INFO [stderr] Checking tokio-async-await v0.1.4 Nov 30 08:28:07.913 INFO [stderr] Checking h2 v0.1.12 Nov 30 08:28:12.392 INFO [stderr] Checking tokio-fs v0.1.3 Nov 30 08:28:13.024 INFO [stderr] Checking tokio-tcp v0.1.2 Nov 30 08:28:13.024 INFO [stderr] Checking tokio-uds v0.2.2 Nov 30 08:28:13.024 INFO [stderr] Checking tokio-udp v0.1.2 Nov 30 08:28:18.302 INFO [stderr] Checking tokio v0.1.11 Nov 30 08:28:20.953 INFO [stderr] Checking hyper v0.12.11 Nov 30 08:28:26.618 INFO [stderr] Checking ctr_test v0.1.0 (/source) Nov 30 08:28:39.455 INFO [stderr] warning: unused `std::result::Result` that must be used Nov 30 08:28:39.455 INFO [stderr] --> src/chat.rs:64:13 Nov 30 08:28:39.455 INFO [stderr] | Nov 30 08:28:39.455 INFO [stderr] 64 | await!(lines_tx.send_async(line)); Nov 30 08:28:39.455 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Nov 30 08:28:39.455 INFO [stderr] | Nov 30 08:28:39.455 INFO [stderr] = note: #[warn(unused_must_use)] on by default Nov 30 08:28:39.455 INFO [stderr] = note: this `Result` may be an `Err` variant, which should be handled Nov 30 08:28:39.455 INFO [stderr] = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info) Nov 30 08:28:39.455 INFO [stderr] Nov 30 08:28:41.508 INFO [stderr] warning: unreachable expression Nov 30 08:28:41.508 INFO [stderr] --> src/echo_client.rs:43:5 Nov 30 08:28:41.508 INFO [stderr] | Nov 30 08:28:41.508 INFO [stderr] 43 | Ok(()) Nov 30 08:28:41.508 INFO [stderr] | ^^^^^^ Nov 30 08:28:41.508 INFO [stderr] | Nov 30 08:28:41.508 INFO [stderr] = note: #[warn(unreachable_code)] on by default Nov 30 08:28:41.508 INFO [stderr] Nov 30 08:28:41.600 INFO [stderr] warning: variable does not need to be mutable Nov 30 08:28:41.600 INFO [stderr] --> src/echo_client.rs:30:13 Nov 30 08:28:41.600 INFO [stderr] | Nov 30 08:28:41.600 INFO [stderr] 30 | let mut input = input.replace("\n", "\0"); Nov 30 08:28:41.600 INFO [stderr] | ----^^^^^ Nov 30 08:28:41.600 INFO [stderr] | | Nov 30 08:28:41.600 INFO [stderr] | help: remove this `mut` Nov 30 08:28:41.600 INFO [stderr] | Nov 30 08:28:41.600 INFO [stderr] = note: #[warn(unused_mut)] on by default Nov 30 08:28:41.600 INFO [stderr] Nov 30 08:28:41.696 INFO [stderr] warning: unreachable expression Nov 30 08:28:41.696 INFO [stderr] --> src/echo_client.rs:43:5 Nov 30 08:28:41.696 INFO [stderr] | Nov 30 08:28:41.696 INFO [stderr] 43 | Ok(()) Nov 30 08:28:41.696 INFO [stderr] | ^^^^^^ Nov 30 08:28:41.696 INFO [stderr] | Nov 30 08:28:41.696 INFO [stderr] = note: #[warn(unreachable_code)] on by default Nov 30 08:28:41.696 INFO [stderr] Nov 30 08:28:41.760 INFO [stderr] warning: variable does not need to be mutable Nov 30 08:28:41.760 INFO [stderr] --> src/echo_client.rs:30:13 Nov 30 08:28:41.760 INFO [stderr] | Nov 30 08:28:41.760 INFO [stderr] 30 | let mut input = input.replace("\n", "\0"); Nov 30 08:28:41.760 INFO [stderr] | ----^^^^^ Nov 30 08:28:41.760 INFO [stderr] | | Nov 30 08:28:41.760 INFO [stderr] | help: remove this `mut` Nov 30 08:28:41.760 INFO [stderr] | Nov 30 08:28:41.760 INFO [stderr] = note: #[warn(unused_mut)] on by default Nov 30 08:28:41.760 INFO [stderr] Nov 30 08:28:41.896 INFO [stderr] warning: unused `std::result::Result` that must be used Nov 30 08:28:41.896 INFO [stderr] --> src/chat.rs:64:13 Nov 30 08:28:41.896 INFO [stderr] | Nov 30 08:28:41.896 INFO [stderr] 64 | await!(lines_tx.send_async(line)); Nov 30 08:28:41.896 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Nov 30 08:28:41.896 INFO [stderr] | Nov 30 08:28:41.896 INFO [stderr] = note: #[warn(unused_must_use)] on by default Nov 30 08:28:41.896 INFO [stderr] = note: this `Result` may be an `Err` variant, which should be handled Nov 30 08:28:41.896 INFO [stderr] = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info) Nov 30 08:28:41.896 INFO [stderr] Nov 30 08:28:42.928 INFO [stderr] Finished dev [unoptimized + debuginfo] target(s) in 41.71s Nov 30 08:28:42.949 INFO [stderr] su: No module specific data is present Nov 30 08:28:43.913 INFO running `"docker" "inspect" "1421e75d83b28c91b2b47942aebc23fa7402dddd7a38ee2fe6212b1f062de668"` Nov 30 08:28:44.286 INFO running `"docker" "rm" "-f" "1421e75d83b28c91b2b47942aebc23fa7402dddd7a38ee2fe6212b1f062de668"` Nov 30 08:28:44.524 INFO [stdout] 1421e75d83b28c91b2b47942aebc23fa7402dddd7a38ee2fe6212b1f062de668