Nov 28 10:55:37.992 INFO checking Swoorup/rtasks against master#0b9f19dff1347e29bf4362ab5a8fab84b43023b5 for pr-56074
Nov 28 10:55:37.993 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56074/worker-1/master#0b9f19dff1347e29bf4362ab5a8fab84b43023b5:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-1/pr-56074/master#0b9f19dff1347e29bf4362ab5a8fab84b43023b5:/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 +0b9f19dff1347e29bf4362ab5a8fab84b43023b5-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 28 10:55:38.455 INFO [stdout] 61175f14a7d363051cac5b579b842457cf3525d77dd890011103292462384986
Nov 28 10:55:38.457 INFO running `"docker" "start" "-a" "61175f14a7d363051cac5b579b842457cf3525d77dd890011103292462384986"`
Nov 28 10:55:39.892 INFO [stderr] usermod: no changes
Nov 28 10:55:40.221 INFO [stderr]     Checking futures v0.1.25
Nov 28 10:55:43.851 INFO [stderr]     Checking tokio-io v0.1.9
Nov 28 10:55:43.851 INFO [stderr]     Checking tokio-executor v0.1.5
Nov 28 10:55:43.851 INFO [stderr]     Checking futures-cpupool v0.1.8
Nov 28 10:55:43.851 INFO [stderr]     Checking want v0.0.6
Nov 28 10:55:45.414 INFO [stderr]     Checking tokio-threadpool v0.1.7
Nov 28 10:55:45.415 INFO [stderr]     Checking tokio-timer v0.2.7
Nov 28 10:55:45.416 INFO [stderr]     Checking tokio-current-thread v0.1.3
Nov 28 10:55:47.284 INFO [stderr]     Checking tokio-reactor v0.1.6
Nov 28 10:55:47.284 INFO [stderr]     Checking tokio-codec v0.1.1
Nov 28 10:55:47.284 INFO [stderr]     Checking tokio-async-await v0.1.4
Nov 28 10:55:47.284 INFO [stderr]     Checking h2 v0.1.12
Nov 28 10:55:51.420 INFO [stderr]     Checking tokio-fs v0.1.3
Nov 28 10:55:51.567 INFO [stderr]     Checking tokio-uds v0.2.2
Nov 28 10:55:51.567 INFO [stderr]     Checking tokio-tcp v0.1.2
Nov 28 10:55:51.567 INFO [stderr]     Checking tokio-udp v0.1.2
Nov 28 10:55:58.669 INFO [stderr]     Checking tokio v0.1.11
Nov 28 10:56:01.970 INFO [stderr]     Checking hyper v0.12.11
Nov 28 10:56:07.417 INFO [stderr]     Checking ctr_test v0.1.0 (/source)
Nov 28 10:56:19.584 INFO [stderr] warning: unreachable expression
Nov 28 10:56:19.584 INFO [stderr]   --> src/echo_client.rs:43:5
Nov 28 10:56:19.584 INFO [stderr]    |
Nov 28 10:56:19.584 INFO [stderr] 43 |     Ok(())
Nov 28 10:56:19.584 INFO [stderr]    |     ^^^^^^
Nov 28 10:56:19.584 INFO [stderr]    |
Nov 28 10:56:19.584 INFO [stderr]    = note: #[warn(unreachable_code)] on by default
Nov 28 10:56:19.584 INFO [stderr] 
Nov 28 10:56:19.880 INFO [stderr] warning: variable does not need to be mutable
Nov 28 10:56:19.880 INFO [stderr]   --> src/echo_client.rs:30:13
Nov 28 10:56:19.880 INFO [stderr]    |
Nov 28 10:56:19.880 INFO [stderr] 30 |         let mut input = input.replace("\n", "\0");
Nov 28 10:56:19.880 INFO [stderr]    |             ----^^^^^
Nov 28 10:56:19.880 INFO [stderr]    |             |
Nov 28 10:56:19.880 INFO [stderr]    |             help: remove this `mut`
Nov 28 10:56:19.900 INFO [stderr]    |
Nov 28 10:56:19.900 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Nov 28 10:56:19.900 INFO [stderr] 
Nov 28 10:56:21.720 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 28 10:56:21.720 INFO [stderr]   --> src/chat.rs:64:13
Nov 28 10:56:21.720 INFO [stderr]    |
Nov 28 10:56:21.720 INFO [stderr] 64 |             await!(lines_tx.send_async(line));
Nov 28 10:56:21.720 INFO [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 10:56:21.720 INFO [stderr]    |
Nov 28 10:56:21.720 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Nov 28 10:56:21.720 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 28 10:56:21.721 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 28 10:56:21.721 INFO [stderr] 
Nov 28 10:56:22.243 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 28 10:56:22.244 INFO [stderr]   --> src/chat.rs:64:13
Nov 28 10:56:22.245 INFO [stderr]    |
Nov 28 10:56:22.245 INFO [stderr] 64 |             await!(lines_tx.send_async(line));
Nov 28 10:56:22.246 INFO [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 10:56:22.257 INFO [stderr]    |
Nov 28 10:56:22.257 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Nov 28 10:56:22.258 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 28 10:56:22.259 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 28 10:56:22.259 INFO [stderr] 
Nov 28 10:56:22.347 INFO [stderr] warning: unreachable expression
Nov 28 10:56:22.348 INFO [stderr]   --> src/echo_client.rs:43:5
Nov 28 10:56:22.349 INFO [stderr]    |
Nov 28 10:56:22.349 INFO [stderr] 43 |     Ok(())
Nov 28 10:56:22.350 INFO [stderr]    |     ^^^^^^
Nov 28 10:56:22.350 INFO [stderr]    |
Nov 28 10:56:22.350 INFO [stderr]    = note: #[warn(unreachable_code)] on by default
Nov 28 10:56:22.350 INFO [stderr] 
Nov 28 10:56:22.417 INFO [stderr] warning: variable does not need to be mutable
Nov 28 10:56:22.417 INFO [stderr]   --> src/echo_client.rs:30:13
Nov 28 10:56:22.417 INFO [stderr]    |
Nov 28 10:56:22.417 INFO [stderr] 30 |         let mut input = input.replace("\n", "\0");
Nov 28 10:56:22.417 INFO [stderr]    |             ----^^^^^
Nov 28 10:56:22.417 INFO [stderr]    |             |
Nov 28 10:56:22.417 INFO [stderr]    |             help: remove this `mut`
Nov 28 10:56:22.417 INFO [stderr]    |
Nov 28 10:56:22.417 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Nov 28 10:56:22.417 INFO [stderr] 
Nov 28 10:56:22.546 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 42.62s
Nov 28 10:56:22.563 INFO [stderr] su: No module specific data is present
Nov 28 10:56:23.852 INFO running `"docker" "inspect" "61175f14a7d363051cac5b579b842457cf3525d77dd890011103292462384986"`
Nov 28 10:56:24.273 INFO running `"docker" "rm" "-f" "61175f14a7d363051cac5b579b842457cf3525d77dd890011103292462384986"`
Nov 28 10:56:24.568 INFO [stdout] 61175f14a7d363051cac5b579b842457cf3525d77dd890011103292462384986