[INFO] cloning repository skade/htwg-scratchpad
[INFO] running `"git" "clone" "--bare" "git://github.com/skade/htwg-scratchpad.git" "work/cache/sources/gh/skade/htwg-scratchpad"`
[INFO] [stderr] Cloning into bare repository 'work/cache/sources/gh/skade/htwg-scratchpad'...
[INFO] running `"git" "clone" "work/cache/sources/gh/skade/htwg-scratchpad" "work/ex/pr-58899/sources/master#c0086b9e8972fef9fd4af24bae20d45021ed06c6/gh/skade/htwg-scratchpad"`
[INFO] [stderr] Cloning into 'work/ex/pr-58899/sources/master#c0086b9e8972fef9fd4af24bae20d45021ed06c6/gh/skade/htwg-scratchpad'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/skade/htwg-scratchpad" "work/ex/pr-58899/sources/try#290ac7b29f41ff9fa5232f9a1116ea71a3501063/gh/skade/htwg-scratchpad"`
[INFO] [stderr] Cloning into 'work/ex/pr-58899/sources/try#290ac7b29f41ff9fa5232f9a1116ea71a3501063/gh/skade/htwg-scratchpad'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] e1144441bb210af318d7e23caf586938df7ce40a
[INFO] sha for GitHub repo skade/htwg-scratchpad: e1144441bb210af318d7e23caf586938df7ce40a
[INFO] validating manifest of skade/htwg-scratchpad on toolchain master#c0086b9e8972fef9fd4af24bae20d45021ed06c6
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c0086b9e8972fef9fd4af24bae20d45021ed06c6-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of skade/htwg-scratchpad on toolchain try#290ac7b29f41ff9fa5232f9a1116ea71a3501063
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+290ac7b29f41ff9fa5232f9a1116ea71a3501063-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing skade/htwg-scratchpad
[INFO] finished frobbing skade/htwg-scratchpad
[INFO] frobbed toml for skade/htwg-scratchpad written to work/ex/pr-58899/sources/master#c0086b9e8972fef9fd4af24bae20d45021ed06c6/gh/skade/htwg-scratchpad/Cargo.toml
[INFO] started frobbing skade/htwg-scratchpad
[INFO] finished frobbing skade/htwg-scratchpad
[INFO] frobbed toml for skade/htwg-scratchpad written to work/ex/pr-58899/sources/try#290ac7b29f41ff9fa5232f9a1116ea71a3501063/gh/skade/htwg-scratchpad/Cargo.toml
[INFO] crate skade/htwg-scratchpad has a lockfile. skipping
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c0086b9e8972fef9fd4af24bae20d45021ed06c6-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded tokio-timer v0.1.1
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+290ac7b29f41ff9fa5232f9a1116ea71a3501063-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking skade/htwg-scratchpad against master#c0086b9e8972fef9fd4af24bae20d45021ed06c6 for pr-58899
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-58899/worker-0/master#c0086b9e8972fef9fd4af24bae20d45021ed06c6:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-58899/sources/master#c0086b9e8972fef9fd4af24bae20d45021ed06c6/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" "+c0086b9e8972fef9fd4af24bae20d45021ed06c6-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] a7202e4b4086d0dc43eba182daa5d072e0cbf7a73309ecb107d564201f3a6e20
[INFO] running `"docker" "start" "-a" "a7202e4b4086d0dc43eba182daa5d072e0cbf7a73309ecb107d564201f3a6e20"`
[INFO] [stderr]     Checking iovec v0.1.0
[INFO] [stderr]     Checking num_cpus v1.4.0
[INFO] [stderr]     Checking net2 v0.2.29
[INFO] [stderr]     Checking tokio-timer v0.1.1
[INFO] [stderr]     Checking bytes v0.4.3
[INFO] [stderr]     Checking futures-cpupool v0.1.5
[INFO] [stderr]     Checking mio v0.6.7
[INFO] [stderr]     Checking tokio-io v0.1.1
[INFO] [stderr]     Checking tokio-core v0.1.7
[INFO] [stderr]     Checking htwg-scratchpad v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/bin/read_file.rs:48:5
[INFO] [stderr]    |
[INFO] [stderr] 48 |     cpu_pool.spawn(read_file).wait();
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_must_use)] on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `pass`
[INFO] [stderr]   --> src/bin/select.rs:20:9
[INFO] [stderr]    |
[INFO] [stderr] 20 |     let pass = 900;
[INFO] [stderr]    |         ^^^^ help: consider prefixing with an underscore: `_pass`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/bin/read_file.rs:48:5
[INFO] [stderr]    |
[INFO] [stderr] 48 |     cpu_pool.spawn(read_file).wait();
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_must_use)] on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `pass`
[INFO] [stderr]   --> src/bin/select.rs:20:9
[INFO] [stderr]    |
[INFO] [stderr] 20 |     let pass = 900;
[INFO] [stderr]    |         ^^^^ help: consider prefixing with an underscore: `_pass`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.68s
[INFO] running `"docker" "inspect" "a7202e4b4086d0dc43eba182daa5d072e0cbf7a73309ecb107d564201f3a6e20"`
[INFO] running `"docker" "rm" "-f" "a7202e4b4086d0dc43eba182daa5d072e0cbf7a73309ecb107d564201f3a6e20"`
[INFO] [stdout] a7202e4b4086d0dc43eba182daa5d072e0cbf7a73309ecb107d564201f3a6e20