[INFO] updating cached repository henryroyal/cli-pairwise-product
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/henryroyal/cli-pairwise-product
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/henryroyal/cli-pairwise-product" "work/ex/pr-58948/sources/master#0f88167f89fffe321590c5148f21b7d51d44388d/gh/henryroyal/cli-pairwise-product"`
[INFO] [stderr] Cloning into 'work/ex/pr-58948/sources/master#0f88167f89fffe321590c5148f21b7d51d44388d/gh/henryroyal/cli-pairwise-product'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/henryroyal/cli-pairwise-product" "work/ex/pr-58948/sources/try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b/gh/henryroyal/cli-pairwise-product"`
[INFO] [stderr] Cloning into 'work/ex/pr-58948/sources/try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b/gh/henryroyal/cli-pairwise-product'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] ca0c34ddc07fa7bdd3ccf1c454e2ea7708909991
[INFO] sha for GitHub repo henryroyal/cli-pairwise-product: ca0c34ddc07fa7bdd3ccf1c454e2ea7708909991
[INFO] validating manifest of henryroyal/cli-pairwise-product on toolchain master#0f88167f89fffe321590c5148f21b7d51d44388d
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+0f88167f89fffe321590c5148f21b7d51d44388d-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of henryroyal/cli-pairwise-product on toolchain try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing henryroyal/cli-pairwise-product
[INFO] finished frobbing henryroyal/cli-pairwise-product
[INFO] frobbed toml for henryroyal/cli-pairwise-product written to work/ex/pr-58948/sources/master#0f88167f89fffe321590c5148f21b7d51d44388d/gh/henryroyal/cli-pairwise-product/Cargo.toml
[INFO] started frobbing henryroyal/cli-pairwise-product
[INFO] finished frobbing henryroyal/cli-pairwise-product
[INFO] frobbed toml for henryroyal/cli-pairwise-product written to work/ex/pr-58948/sources/try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b/gh/henryroyal/cli-pairwise-product/Cargo.toml
[INFO] crate henryroyal/cli-pairwise-product already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+0f88167f89fffe321590c5148f21b7d51d44388d-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking henryroyal/cli-pairwise-product against try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b for pr-58948
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-58948/worker-4/try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-58948/sources/try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b/gh/henryroyal/cli-pairwise-product:/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" "+a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] fcacaa7690bbe2c8adfd55d2247d528102cf2590f273515ba676bfcb9fb503bf
[INFO] running `"docker" "start" "-a" "fcacaa7690bbe2c8adfd55d2247d528102cf2590f273515ba676bfcb9fb503bf"`
[INFO] [stderr]     Checking pairwise_product v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: value assigned to `value` is never read
[INFO] [stderr]   --> src/main.rs:24:13
[INFO] [stderr]    |
[INFO] [stderr] 24 |     let mut value = 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 `std::result::Result` that must be used
[INFO] [stderr]   --> src/main.rs:45:5
[INFO] [stderr]    |
[INFO] [stderr] 45 |     std::io::stdin().read_line(&mut stdin);
[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: value assigned to `value` is never read
[INFO] [stderr]   --> src/main.rs:24:13
[INFO] [stderr]    |
[INFO] [stderr] 24 |     let mut value = 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 `std::result::Result` that must be used
[INFO] [stderr]   --> src/main.rs:45:5
[INFO] [stderr]    |
[INFO] [stderr] 45 |     std::io::stdin().read_line(&mut stdin);
[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]     Finished dev [unoptimized + debuginfo] target(s) in 0.49s
[INFO] running `"docker" "inspect" "fcacaa7690bbe2c8adfd55d2247d528102cf2590f273515ba676bfcb9fb503bf"`
[INFO] running `"docker" "rm" "-f" "fcacaa7690bbe2c8adfd55d2247d528102cf2590f273515ba676bfcb9fb503bf"`
[INFO] [stdout] fcacaa7690bbe2c8adfd55d2247d528102cf2590f273515ba676bfcb9fb503bf