Dec 19 08:39:53.824 INFO checking skade/htwg-scratchpad against master#d99a320cba42f661aebfa1293b7b2ec3603dda75 for pr-56955
Dec 19 08:39:53.825 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-4/master#d99a320cba42f661aebfa1293b7b2ec3603dda75:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/master#d99a320cba42f661aebfa1293b7b2ec3603dda75/gh/skade/htwg-scratchpad:/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 08:39:54.176 INFO [stdout] e95f09a9e3315eb5ab0978c13848258eabb30d7af311dc7d56f0f08f08e75d6d
Dec 19 08:39:54.184 INFO running `"docker" "start" "-a" "e95f09a9e3315eb5ab0978c13848258eabb30d7af311dc7d56f0f08f08e75d6d"`
Dec 19 08:39:56.404 INFO [stderr]     Checking futures v0.1.13
Dec 19 08:39:56.404 INFO [stderr]     Checking iovec v0.1.0
Dec 19 08:39:56.420 INFO [stderr]     Checking net2 v0.2.29
Dec 19 08:39:56.867 INFO [stderr]     Checking bytes v0.4.3
Dec 19 08:39:57.290 INFO [stderr]     Checking mio v0.6.7
Dec 19 08:40:00.236 INFO [stderr]     Checking tokio-io v0.1.1
Dec 19 08:40:00.241 INFO [stderr]     Checking futures-cpupool v0.1.5
Dec 19 08:40:00.242 INFO [stderr]     Checking tokio-timer v0.1.1
Dec 19 08:40:01.232 INFO [stderr]     Checking tokio-core v0.1.7
Dec 19 08:40:02.347 INFO [stderr]     Checking htwg-scratchpad v0.1.0 (/opt/crater/workdir)
Dec 19 08:40:03.312 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 08:40:03.312 INFO [stderr]   --> src/bin/read_file.rs:48:5
Dec 19 08:40:03.312 INFO [stderr]    |
Dec 19 08:40:03.312 INFO [stderr] 48 |     cpu_pool.spawn(read_file).wait();
Dec 19 08:40:03.312 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 08:40:03.312 INFO [stderr]    |
Dec 19 08:40:03.312 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 19 08:40:03.312 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 08:40:03.312 INFO [stderr] 
Dec 19 08:40:03.786 INFO [stderr] warning: unused variable: `pass`
Dec 19 08:40:03.786 INFO [stderr]   --> src/bin/select.rs:20:9
Dec 19 08:40:03.786 INFO [stderr]    |
Dec 19 08:40:03.786 INFO [stderr] 20 |     let pass = 900;
Dec 19 08:40:03.786 INFO [stderr]    |         ^^^^ help: consider using `_pass` instead
Dec 19 08:40:03.786 INFO [stderr]    |
Dec 19 08:40:03.786 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 19 08:40:03.786 INFO [stderr] 
Dec 19 08:40:03.964 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 08:40:03.964 INFO [stderr]   --> src/bin/read_file.rs:48:5
Dec 19 08:40:03.964 INFO [stderr]    |
Dec 19 08:40:03.964 INFO [stderr] 48 |     cpu_pool.spawn(read_file).wait();
Dec 19 08:40:03.964 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 08:40:03.964 INFO [stderr]    |
Dec 19 08:40:03.964 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 19 08:40:03.964 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 08:40:03.964 INFO [stderr] 
Dec 19 08:40:03.991 INFO [stderr] warning: unused variable: `pass`
Dec 19 08:40:03.997 INFO [stderr]   --> src/bin/select.rs:20:9
Dec 19 08:40:03.997 INFO [stderr]    |
Dec 19 08:40:03.997 INFO [stderr] 20 |     let pass = 900;
Dec 19 08:40:03.997 INFO [stderr]    |         ^^^^ help: consider using `_pass` instead
Dec 19 08:40:03.997 INFO [stderr]    |
Dec 19 08:40:03.997 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 19 08:40:03.997 INFO [stderr] 
Dec 19 08:40:04.119 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.82s
Dec 19 08:40:04.509 INFO running `"docker" "inspect" "e95f09a9e3315eb5ab0978c13848258eabb30d7af311dc7d56f0f08f08e75d6d"`
Dec 19 08:40:04.629 INFO running `"docker" "rm" "-f" "e95f09a9e3315eb5ab0978c13848258eabb30d7af311dc7d56f0f08f08e75d6d"`
Dec 19 08:40:04.738 INFO [stdout] e95f09a9e3315eb5ab0978c13848258eabb30d7af311dc7d56f0f08f08e75d6d