[INFO] updating cached repository cameron-justice/Rust_High_Or_Low
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/cameron-justice/Rust_High_Or_Low
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/cameron-justice/Rust_High_Or_Low" "work/ex/pr-60039/sources/master#efe2f32a6b8217425f361ec7c206910c611c03ee/gh/cameron-justice/Rust_High_Or_Low"`
[INFO] [stderr] Cloning into 'work/ex/pr-60039/sources/master#efe2f32a6b8217425f361ec7c206910c611c03ee/gh/cameron-justice/Rust_High_Or_Low'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/cameron-justice/Rust_High_Or_Low" "work/ex/pr-60039/sources/try#78b0bd8441ef961f6475e3d47fe3bca38cb83432/gh/cameron-justice/Rust_High_Or_Low"`
[INFO] [stderr] Cloning into 'work/ex/pr-60039/sources/try#78b0bd8441ef961f6475e3d47fe3bca38cb83432/gh/cameron-justice/Rust_High_Or_Low'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] e3fdcdb18cf90c6aec19fea4dc1e23b108b8e2f9
[INFO] sha for GitHub repo cameron-justice/Rust_High_Or_Low: e3fdcdb18cf90c6aec19fea4dc1e23b108b8e2f9
[INFO] validating manifest of cameron-justice/Rust_High_Or_Low on toolchain master#efe2f32a6b8217425f361ec7c206910c611c03ee
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+efe2f32a6b8217425f361ec7c206910c611c03ee-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of cameron-justice/Rust_High_Or_Low on toolchain try#78b0bd8441ef961f6475e3d47fe3bca38cb83432
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+78b0bd8441ef961f6475e3d47fe3bca38cb83432-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing cameron-justice/Rust_High_Or_Low
[INFO] finished frobbing cameron-justice/Rust_High_Or_Low
[INFO] frobbed toml for cameron-justice/Rust_High_Or_Low written to work/ex/pr-60039/sources/master#efe2f32a6b8217425f361ec7c206910c611c03ee/gh/cameron-justice/Rust_High_Or_Low/Cargo.toml
[INFO] started frobbing cameron-justice/Rust_High_Or_Low
[INFO] finished frobbing cameron-justice/Rust_High_Or_Low
[INFO] frobbed toml for cameron-justice/Rust_High_Or_Low written to work/ex/pr-60039/sources/try#78b0bd8441ef961f6475e3d47fe3bca38cb83432/gh/cameron-justice/Rust_High_Or_Low/Cargo.toml
[INFO] crate cameron-justice/Rust_High_Or_Low already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+efe2f32a6b8217425f361ec7c206910c611c03ee-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+78b0bd8441ef961f6475e3d47fe3bca38cb83432-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking cameron-justice/Rust_High_Or_Low against master#efe2f32a6b8217425f361ec7c206910c611c03ee for pr-60039
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-60039/worker-4/master#efe2f32a6b8217425f361ec7c206910c611c03ee:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-60039/sources/master#efe2f32a6b8217425f361ec7c206910c611c03ee/gh/cameron-justice/Rust_High_Or_Low:/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" "+efe2f32a6b8217425f361ec7c206910c611c03ee-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 19d0852cbaf3a0d3cc363d4f75f55354c7bb50a36c89b4f5f25525d016805e06
[INFO] running `"docker" "start" "-a" "19d0852cbaf3a0d3cc363d4f75f55354c7bb50a36c89b4f5f25525d016805e06"`
[INFO] [stderr]     Checking high_or_low v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused variable: `i`
[INFO] [stderr]   --> src/main.rs:25:16
[INFO] [stderr]    |
[INFO] [stderr] 25 |             Ok(i) =>{
[INFO] [stderr]    |                ^ help: consider prefixing with an underscore: `_i`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `guess` is never read
[INFO] [stderr]   --> src/main.rs:34:13
[INFO] [stderr]    |
[INFO] [stderr] 34 |     let mut guess: u8 = 0;
[INFO] [stderr]    |             ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_assignments)] on by default
[INFO] [stderr]    = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `i`
[INFO] [stderr]   --> src/main.rs:25:16
[INFO] [stderr]    |
[INFO] [stderr] 25 |             Ok(i) =>{
[INFO] [stderr]    |                ^ help: consider prefixing with an underscore: `_i`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `guess` is never read
[INFO] [stderr]   --> src/main.rs:34:13
[INFO] [stderr]    |
[INFO] [stderr] 34 |     let mut guess: u8 = 0;
[INFO] [stderr]    |             ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_assignments)] on by default
[INFO] [stderr]    = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.76s
[INFO] running `"docker" "inspect" "19d0852cbaf3a0d3cc363d4f75f55354c7bb50a36c89b4f5f25525d016805e06"`
[INFO] running `"docker" "rm" "-f" "19d0852cbaf3a0d3cc363d4f75f55354c7bb50a36c89b4f5f25525d016805e06"`
[INFO] [stdout] 19d0852cbaf3a0d3cc363d4f75f55354c7bb50a36c89b4f5f25525d016805e06