[INFO] updating cached repository mklein994/hello
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/mklein994/hello
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/mklein994/hello" "work/ex/pr-58592/sources/master#f66e4697ae286985ddefc53c3a047614568458bb/gh/mklein994/hello"`
[INFO] [stderr] Cloning into 'work/ex/pr-58592/sources/master#f66e4697ae286985ddefc53c3a047614568458bb/gh/mklein994/hello'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/mklein994/hello" "work/ex/pr-58592/sources/try#c3b22200e6f5b70eb1f99ae6944d989ae17a458a/gh/mklein994/hello"`
[INFO] [stderr] Cloning into 'work/ex/pr-58592/sources/try#c3b22200e6f5b70eb1f99ae6944d989ae17a458a/gh/mklein994/hello'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 0e4cca0c894cad3ee33d338428b94d47d541ab45
[INFO] sha for GitHub repo mklein994/hello: 0e4cca0c894cad3ee33d338428b94d47d541ab45
[INFO] validating manifest of mklein994/hello on toolchain master#f66e4697ae286985ddefc53c3a047614568458bb
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+f66e4697ae286985ddefc53c3a047614568458bb-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of mklein994/hello on toolchain try#c3b22200e6f5b70eb1f99ae6944d989ae17a458a
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c3b22200e6f5b70eb1f99ae6944d989ae17a458a-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing mklein994/hello
[INFO] finished frobbing mklein994/hello
[INFO] frobbed toml for mklein994/hello written to work/ex/pr-58592/sources/master#f66e4697ae286985ddefc53c3a047614568458bb/gh/mklein994/hello/Cargo.toml
[INFO] started frobbing mklein994/hello
[INFO] finished frobbing mklein994/hello
[INFO] frobbed toml for mklein994/hello written to work/ex/pr-58592/sources/try#c3b22200e6f5b70eb1f99ae6944d989ae17a458a/gh/mklein994/hello/Cargo.toml
[INFO] crate mklein994/hello has a lockfile. skipping
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+f66e4697ae286985ddefc53c3a047614568458bb-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c3b22200e6f5b70eb1f99ae6944d989ae17a458a-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking mklein994/hello against try#c3b22200e6f5b70eb1f99ae6944d989ae17a458a for pr-58592
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-58592/worker-5/try#c3b22200e6f5b70eb1f99ae6944d989ae17a458a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-58592/sources/try#c3b22200e6f5b70eb1f99ae6944d989ae17a458a/gh/mklein994/hello:/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" "+c3b22200e6f5b70eb1f99ae6944d989ae17a458a-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 9b749b14786f27a4a536c8bf481770b6205b742ec0d7f07dd93f1bd569ce967e
[INFO] running `"docker" "start" "-a" "9b749b14786f27a4a536c8bf481770b6205b742ec0d7f07dd93f1bd569ce967e"`
[INFO] [stderr]     Checking hello v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused variable: `size`
[INFO] [stderr]  --> src/lib.rs:4:16
[INFO] [stderr]   |
[INFO] [stderr] 4 |     pub fn new(size: u32) -> ThreadPool {
[INFO] [stderr]   |                ^^^^ help: consider prefixing with an underscore: `_size`
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `f`
[INFO] [stderr]  --> src/lib.rs:8:30
[INFO] [stderr]   |
[INFO] [stderr] 8 |     pub fn execute<F>(&self, f: F)
[INFO] [stderr]   |                              ^ help: consider prefixing with an underscore: `_f`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `size`
[INFO] [stderr]  --> src/lib.rs:4:16
[INFO] [stderr]   |
[INFO] [stderr] 4 |     pub fn new(size: u32) -> ThreadPool {
[INFO] [stderr]   |                ^^^^ help: consider prefixing with an underscore: `_size`
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `f`
[INFO] [stderr]  --> src/lib.rs:8:30
[INFO] [stderr]   |
[INFO] [stderr] 8 |     pub fn execute<F>(&self, f: F)
[INFO] [stderr]   |                              ^ help: consider prefixing with an underscore: `_f`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.75s
[INFO] running `"docker" "inspect" "9b749b14786f27a4a536c8bf481770b6205b742ec0d7f07dd93f1bd569ce967e"`
[INFO] running `"docker" "rm" "-f" "9b749b14786f27a4a536c8bf481770b6205b742ec0d7f07dd93f1bd569ce967e"`
[INFO] [stdout] 9b749b14786f27a4a536c8bf481770b6205b742ec0d7f07dd93f1bd569ce967e