[INFO] updating cached repository OneMoreByte/booths-algorithm-rs [INFO] running `"git" "fetch" "--all"` [INFO] [stdout] Fetching origin [INFO] [stderr] From git://github.com/OneMoreByte/booths-algorithm-rs [INFO] [stderr] * branch HEAD -> FETCH_HEAD [INFO] running `"git" "clone" "work/cache/sources/gh/OneMoreByte/booths-algorithm-rs" "work/ex/beta-1.37-6/sources/1.36.0/gh/OneMoreByte/booths-algorithm-rs"` [INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/OneMoreByte/booths-algorithm-rs'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/OneMoreByte/booths-algorithm-rs" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/OneMoreByte/booths-algorithm-rs"` [INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/OneMoreByte/booths-algorithm-rs'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 1183bda99bf34a22c079aab3c9c040c2b4225d91 [INFO] sha for GitHub repo OneMoreByte/booths-algorithm-rs: 1183bda99bf34a22c079aab3c9c040c2b4225d91 [INFO] validating manifest of OneMoreByte/booths-algorithm-rs on toolchain 1.36.0 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of OneMoreByte/booths-algorithm-rs on toolchain beta-2019-07-23 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started frobbing OneMoreByte/booths-algorithm-rs [INFO] finished frobbing OneMoreByte/booths-algorithm-rs [INFO] frobbed toml for OneMoreByte/booths-algorithm-rs written to work/ex/beta-1.37-6/sources/1.36.0/gh/OneMoreByte/booths-algorithm-rs/Cargo.toml [INFO] started frobbing OneMoreByte/booths-algorithm-rs [INFO] finished frobbing OneMoreByte/booths-algorithm-rs [INFO] frobbed toml for OneMoreByte/booths-algorithm-rs written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/OneMoreByte/booths-algorithm-rs/Cargo.toml [INFO] crate OneMoreByte/booths-algorithm-rs already has a lockfile, it will not be regenerated [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] testing OneMoreByte/booths-algorithm-rs against beta-2019-07-23 for beta-1.37-6 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-4/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/OneMoreByte/booths-algorithm-rs:/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=warn" "-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" "+beta-2019-07-23" "build" "--frozen"` [INFO] [stdout] 2398af634447614097540efd799291a555235cd0cb9172017598da56c93ba405 [INFO] running `"docker" "start" "-a" "2398af634447614097540efd799291a555235cd0cb9172017598da56c93ba405"` [INFO] [stderr] Compiling booths-algorithm v0.1.0 (/opt/crater/workdir) [INFO] [stderr] warning: unnecessary parentheses around assigned value [INFO] [stderr] --> src/main.rs:22:19 [INFO] [stderr] | [INFO] [stderr] 22 | dec = (dec * -1); [INFO] [stderr] | ^^^^^^^^^^ help: remove these parentheses [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_parens)] on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `a` [INFO] [stderr] --> src/main.rs:143:9 [INFO] [stderr] | [INFO] [stderr] 143 | for a in 0..62 { [INFO] [stderr] | ^ help: consider prefixing with an underscore: `_a` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_variables)] on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:264:9 [INFO] [stderr] | [INFO] [stderr] 264 | let mut mult = Term::new(get_numb()); [INFO] [stderr] | ----^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_mut)] on by default [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/main.rs:241:5 [INFO] [stderr] | [INFO] [stderr] 241 | io::stdin().read_line(&mut inp); [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 1.05s [INFO] running `"docker" "inspect" "2398af634447614097540efd799291a555235cd0cb9172017598da56c93ba405"` [INFO] running `"docker" "rm" "-f" "2398af634447614097540efd799291a555235cd0cb9172017598da56c93ba405"` [INFO] [stdout] 2398af634447614097540efd799291a555235cd0cb9172017598da56c93ba405 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-4/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/OneMoreByte/booths-algorithm-rs:/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=warn" "-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" "+beta-2019-07-23" "test" "--frozen" "--no-run"` [INFO] [stdout] 36f97abbd54f2b062ad6bb6157ddc9f4a7061ae584e1a4afa8e337d5a6bbb56a [INFO] running `"docker" "start" "-a" "36f97abbd54f2b062ad6bb6157ddc9f4a7061ae584e1a4afa8e337d5a6bbb56a"` [INFO] [stderr] Compiling booths-algorithm v0.1.0 (/opt/crater/workdir) [INFO] [stderr] warning: unnecessary parentheses around assigned value [INFO] [stderr] --> src/main.rs:22:19 [INFO] [stderr] | [INFO] [stderr] 22 | dec = (dec * -1); [INFO] [stderr] | ^^^^^^^^^^ help: remove these parentheses [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_parens)] on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `a` [INFO] [stderr] --> src/main.rs:143:9 [INFO] [stderr] | [INFO] [stderr] 143 | for a in 0..62 { [INFO] [stderr] | ^ help: consider prefixing with an underscore: `_a` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_variables)] on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:264:9 [INFO] [stderr] | [INFO] [stderr] 264 | let mut mult = Term::new(get_numb()); [INFO] [stderr] | ----^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_mut)] on by default [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/main.rs:241:5 [INFO] [stderr] | [INFO] [stderr] 241 | io::stdin().read_line(&mut inp); [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 0.95s [INFO] running `"docker" "inspect" "36f97abbd54f2b062ad6bb6157ddc9f4a7061ae584e1a4afa8e337d5a6bbb56a"` [INFO] running `"docker" "rm" "-f" "36f97abbd54f2b062ad6bb6157ddc9f4a7061ae584e1a4afa8e337d5a6bbb56a"` [INFO] [stdout] 36f97abbd54f2b062ad6bb6157ddc9f4a7061ae584e1a4afa8e337d5a6bbb56a [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-4/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/OneMoreByte/booths-algorithm-rs:/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=warn" "-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" "+beta-2019-07-23" "test" "--frozen"` [INFO] [stdout] 2f52cc775668d8085707585b84eb1402a37a0ca628cc6c9e73468a6a1d86b46b [INFO] running `"docker" "start" "-a" "2f52cc775668d8085707585b84eb1402a37a0ca628cc6c9e73468a6a1d86b46b"` [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.02s [INFO] [stderr] Running /opt/crater/target/debug/deps/booths_algorithm-9a2402bc8a750d35 [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] running `"docker" "inspect" "2f52cc775668d8085707585b84eb1402a37a0ca628cc6c9e73468a6a1d86b46b"` [INFO] running `"docker" "rm" "-f" "2f52cc775668d8085707585b84eb1402a37a0ca628cc6c9e73468a6a1d86b46b"` [INFO] [stdout] 2f52cc775668d8085707585b84eb1402a37a0ca628cc6c9e73468a6a1d86b46b