[INFO] updating cached repository Ragnyll/rust_variables [INFO] running `"git" "fetch" "--all"` [INFO] [stdout] Fetching origin [INFO] [stderr] From git://github.com/Ragnyll/rust_variables [INFO] [stderr] * branch HEAD -> FETCH_HEAD [INFO] running `"git" "clone" "work/cache/sources/gh/Ragnyll/rust_variables" "work/ex/pr-58948/sources/master#0f88167f89fffe321590c5148f21b7d51d44388d/gh/Ragnyll/rust_variables"` [INFO] [stderr] Cloning into 'work/ex/pr-58948/sources/master#0f88167f89fffe321590c5148f21b7d51d44388d/gh/Ragnyll/rust_variables'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/Ragnyll/rust_variables" "work/ex/pr-58948/sources/try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b/gh/Ragnyll/rust_variables"` [INFO] [stderr] Cloning into 'work/ex/pr-58948/sources/try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b/gh/Ragnyll/rust_variables'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] b02e8595809a2dca3ba21af362c3cbb664c264de [INFO] sha for GitHub repo Ragnyll/rust_variables: b02e8595809a2dca3ba21af362c3cbb664c264de [INFO] validating manifest of Ragnyll/rust_variables 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 Ragnyll/rust_variables 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 Ragnyll/rust_variables [INFO] finished frobbing Ragnyll/rust_variables [INFO] frobbed toml for Ragnyll/rust_variables written to work/ex/pr-58948/sources/master#0f88167f89fffe321590c5148f21b7d51d44388d/gh/Ragnyll/rust_variables/Cargo.toml [INFO] started frobbing Ragnyll/rust_variables [INFO] finished frobbing Ragnyll/rust_variables [INFO] frobbed toml for Ragnyll/rust_variables written to work/ex/pr-58948/sources/try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b/gh/Ragnyll/rust_variables/Cargo.toml [INFO] crate Ragnyll/rust_variables 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 Ragnyll/rust_variables against try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b for pr-58948 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-58948/worker-1/try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-58948/sources/try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b/gh/Ragnyll/rust_variables:/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] cb6175c5aa9aad5c2bc3cc2f3e6668f380e29e4fd0a2c6eaf264ae6d544d9b8c [INFO] running `"docker" "start" "-a" "cb6175c5aa9aad5c2bc3cc2f3e6668f380e29e4fd0a2c6eaf264ae6d544d9b8c"` [INFO] [stderr] Checking variables v0.1.0 (/opt/crater/workdir) [INFO] [stderr] warning: unused variable: `difference` [INFO] [stderr] --> src/main.rs:41:9 [INFO] [stderr] | [INFO] [stderr] 41 | let difference = 95.5 - 4.3; [INFO] [stderr] | ^^^^^^^^^^ help: consider prefixing with an underscore: `_difference` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_variables)] on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `product` [INFO] [stderr] --> src/main.rs:44:9 [INFO] [stderr] | [INFO] [stderr] 44 | let product = 4 * 30; [INFO] [stderr] | ^^^^^^^ help: consider prefixing with an underscore: `_product` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `quotient` [INFO] [stderr] --> src/main.rs:47:9 [INFO] [stderr] | [INFO] [stderr] 47 | let quotient = 56.7 / 32.2; [INFO] [stderr] | ^^^^^^^^ help: consider prefixing with an underscore: `_quotient` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `remainder` [INFO] [stderr] --> src/main.rs:50:9 [INFO] [stderr] | [INFO] [stderr] 50 | let remainder = 43 % 5; [INFO] [stderr] | ^^^^^^^^^ help: consider prefixing with an underscore: `_remainder` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `t` [INFO] [stderr] --> src/main.rs:53:9 [INFO] [stderr] | [INFO] [stderr] 53 | let t = true; // without explicit type annotation [INFO] [stderr] | ^ help: consider prefixing with an underscore: `_t` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `f` [INFO] [stderr] --> src/main.rs:55:9 [INFO] [stderr] | [INFO] [stderr] 55 | let f: bool = false; // with explicit type annotation [INFO] [stderr] | ^ help: consider prefixing with an underscore: `_f` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `x` [INFO] [stderr] --> src/main.rs:59:10 [INFO] [stderr] | [INFO] [stderr] 59 | let (x, y, z) = tup; [INFO] [stderr] | ^ help: consider prefixing with an underscore: `_x` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `z` [INFO] [stderr] --> src/main.rs:59:16 [INFO] [stderr] | [INFO] [stderr] 59 | let (x, y, z) = tup; [INFO] [stderr] | ^ help: consider prefixing with an underscore: `_z` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `first` [INFO] [stderr] --> src/main.rs:67:9 [INFO] [stderr] | [INFO] [stderr] 67 | let first = months[0]; [INFO] [stderr] | ^^^^^ help: consider prefixing with an underscore: `_first` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `difference` [INFO] [stderr] --> src/main.rs:41:9 [INFO] [stderr] | [INFO] [stderr] 41 | let difference = 95.5 - 4.3; [INFO] [stderr] | ^^^^^^^^^^ help: consider prefixing with an underscore: `_difference` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_variables)] on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `product` [INFO] [stderr] --> src/main.rs:44:9 [INFO] [stderr] | [INFO] [stderr] 44 | let product = 4 * 30; [INFO] [stderr] | ^^^^^^^ help: consider prefixing with an underscore: `_product` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `quotient` [INFO] [stderr] --> src/main.rs:47:9 [INFO] [stderr] | [INFO] [stderr] 47 | let quotient = 56.7 / 32.2; [INFO] [stderr] | ^^^^^^^^ help: consider prefixing with an underscore: `_quotient` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `remainder` [INFO] [stderr] --> src/main.rs:50:9 [INFO] [stderr] | [INFO] [stderr] 50 | let remainder = 43 % 5; [INFO] [stderr] | ^^^^^^^^^ help: consider prefixing with an underscore: `_remainder` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `t` [INFO] [stderr] --> src/main.rs:53:9 [INFO] [stderr] | [INFO] [stderr] 53 | let t = true; // without explicit type annotation [INFO] [stderr] | ^ help: consider prefixing with an underscore: `_t` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `f` [INFO] [stderr] --> src/main.rs:55:9 [INFO] [stderr] | [INFO] [stderr] 55 | let f: bool = false; // with explicit type annotation [INFO] [stderr] | ^ help: consider prefixing with an underscore: `_f` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `x` [INFO] [stderr] --> src/main.rs:59:10 [INFO] [stderr] | [INFO] [stderr] 59 | let (x, y, z) = tup; [INFO] [stderr] | ^ help: consider prefixing with an underscore: `_x` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `z` [INFO] [stderr] --> src/main.rs:59:16 [INFO] [stderr] | [INFO] [stderr] 59 | let (x, y, z) = tup; [INFO] [stderr] | ^ help: consider prefixing with an underscore: `_z` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `first` [INFO] [stderr] --> src/main.rs:67:9 [INFO] [stderr] | [INFO] [stderr] 67 | let first = months[0]; [INFO] [stderr] | ^^^^^ help: consider prefixing with an underscore: `_first` [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.78s [INFO] running `"docker" "inspect" "cb6175c5aa9aad5c2bc3cc2f3e6668f380e29e4fd0a2c6eaf264ae6d544d9b8c"` [INFO] running `"docker" "rm" "-f" "cb6175c5aa9aad5c2bc3cc2f3e6668f380e29e4fd0a2c6eaf264ae6d544d9b8c"` [INFO] [stdout] cb6175c5aa9aad5c2bc3cc2f3e6668f380e29e4fd0a2c6eaf264ae6d544d9b8c