[INFO] updating cached repository derezzedex/puzzle_solver [INFO] running `"git" "fetch" "--all"` [INFO] [stdout] Fetching origin [INFO] [stderr] From git://github.com/derezzedex/puzzle_solver [INFO] [stderr] * branch HEAD -> FETCH_HEAD [INFO] running `"git" "clone" "work/cache/sources/gh/derezzedex/puzzle_solver" "work/ex/beta-1.37-6/sources/1.36.0/gh/derezzedex/puzzle_solver"` [INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/derezzedex/puzzle_solver'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/derezzedex/puzzle_solver" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/derezzedex/puzzle_solver"` [INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/derezzedex/puzzle_solver'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 12ff182c6baa90371baf565b4980d30c74f7b831 [INFO] sha for GitHub repo derezzedex/puzzle_solver: 12ff182c6baa90371baf565b4980d30c74f7b831 [INFO] validating manifest of derezzedex/puzzle_solver 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 derezzedex/puzzle_solver 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 derezzedex/puzzle_solver [INFO] finished frobbing derezzedex/puzzle_solver [INFO] frobbed toml for derezzedex/puzzle_solver written to work/ex/beta-1.37-6/sources/1.36.0/gh/derezzedex/puzzle_solver/Cargo.toml [INFO] started frobbing derezzedex/puzzle_solver [INFO] finished frobbing derezzedex/puzzle_solver [INFO] frobbed toml for derezzedex/puzzle_solver written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/derezzedex/puzzle_solver/Cargo.toml [INFO] crate derezzedex/puzzle_solver 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 derezzedex/puzzle_solver 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-2/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/derezzedex/puzzle_solver:/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] 4d535f5fabdcf7b1cfd881ff512485187e2881d05a0e437b3903982c50391169 [INFO] running `"docker" "start" "-a" "4d535f5fabdcf7b1cfd881ff512485187e2881d05a0e437b3903982c50391169"` [INFO] [stderr] Compiling libc v0.2.34 [INFO] [stderr] Compiling memchr v2.0.1 [INFO] [stderr] Compiling aho-corasick v0.6.4 [INFO] [stderr] Compiling regex v0.2.3 [INFO] [stderr] Compiling docopt v0.8.1 [INFO] [stderr] Compiling puzzle_solver v0.1.2 (/opt/crater/workdir) [INFO] [stderr] warning: unnecessary parentheses around assigned value [INFO] [stderr] --> src/main.rs:308:13 [INFO] [stderr] | [INFO] [stderr] 308 | let r = (33 + ((i+14)%94)); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ help: remove these parentheses [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_parens)] on by default [INFO] [stderr] [INFO] [stderr] warning: value assigned to `result` is never read [INFO] [stderr] --> src/main.rs:415:10 [INFO] [stderr] | [INFO] [stderr] 415 | let mut result = String::new(); [INFO] [stderr] | ^^^^^^ [INFO] [stderr] | [INFO] [stderr] note: lint level defined here [INFO] [stderr] --> src/main.rs:414:9 [INFO] [stderr] | [INFO] [stderr] 414 | #[warn(unused_assignments)] [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] [INFO] [stderr] warning: unused variable: `j` [INFO] [stderr] --> src/main.rs:228:8 [INFO] [stderr] | [INFO] [stderr] 228 | let j = string.find(i).unwrap(); [INFO] [stderr] | ^ help: consider prefixing with an underscore: `_j` [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:198:10 [INFO] [stderr] | [INFO] [stderr] 198 | let mut separator: usize = 4; [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: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:254:7 [INFO] [stderr] | [INFO] [stderr] 254 | let mut result = self.to_str(); [INFO] [stderr] | ----^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: method is never used: `rot_self` [INFO] [stderr] --> src/main.rs:253:2 [INFO] [stderr] | [INFO] [stderr] 253 | fn rot_self(&self, rot: usize) -> Self{ [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(dead_code)] on by default [INFO] [stderr] [INFO] [stderr] warning: comparison is useless due to type limits [INFO] [stderr] --> src/main.rs:271:21 [INFO] [stderr] | [INFO] [stderr] 271 | if index > 26 || index < 0{ [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_comparisons)] on by default [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 19.92s [INFO] running `"docker" "inspect" "4d535f5fabdcf7b1cfd881ff512485187e2881d05a0e437b3903982c50391169"` [INFO] running `"docker" "rm" "-f" "4d535f5fabdcf7b1cfd881ff512485187e2881d05a0e437b3903982c50391169"` [INFO] [stdout] 4d535f5fabdcf7b1cfd881ff512485187e2881d05a0e437b3903982c50391169 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-2/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/derezzedex/puzzle_solver:/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] 84919cf8bb5241c7ae77643a0755b03faa7c039d1c4acaa1d61671ba951c4651 [INFO] running `"docker" "start" "-a" "84919cf8bb5241c7ae77643a0755b03faa7c039d1c4acaa1d61671ba951c4651"` [INFO] [stderr] Compiling puzzle_solver v0.1.2 (/opt/crater/workdir) [INFO] [stderr] warning: unnecessary parentheses around assigned value [INFO] [stderr] --> src/main.rs:308:13 [INFO] [stderr] | [INFO] [stderr] 308 | let r = (33 + ((i+14)%94)); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ help: remove these parentheses [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_parens)] on by default [INFO] [stderr] [INFO] [stderr] warning: value assigned to `result` is never read [INFO] [stderr] --> src/main.rs:415:10 [INFO] [stderr] | [INFO] [stderr] 415 | let mut result = String::new(); [INFO] [stderr] | ^^^^^^ [INFO] [stderr] | [INFO] [stderr] note: lint level defined here [INFO] [stderr] --> src/main.rs:414:9 [INFO] [stderr] | [INFO] [stderr] 414 | #[warn(unused_assignments)] [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] [INFO] [stderr] warning: unused variable: `j` [INFO] [stderr] --> src/main.rs:228:8 [INFO] [stderr] | [INFO] [stderr] 228 | let j = string.find(i).unwrap(); [INFO] [stderr] | ^ help: consider prefixing with an underscore: `_j` [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:198:10 [INFO] [stderr] | [INFO] [stderr] 198 | let mut separator: usize = 4; [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: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:254:7 [INFO] [stderr] | [INFO] [stderr] 254 | let mut result = self.to_str(); [INFO] [stderr] | ----^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: method is never used: `rot_self` [INFO] [stderr] --> src/main.rs:253:2 [INFO] [stderr] | [INFO] [stderr] 253 | fn rot_self(&self, rot: usize) -> Self{ [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(dead_code)] on by default [INFO] [stderr] [INFO] [stderr] warning: comparison is useless due to type limits [INFO] [stderr] --> src/main.rs:271:21 [INFO] [stderr] | [INFO] [stderr] 271 | if index > 26 || index < 0{ [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_comparisons)] on by default [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1.45s [INFO] running `"docker" "inspect" "84919cf8bb5241c7ae77643a0755b03faa7c039d1c4acaa1d61671ba951c4651"` [INFO] running `"docker" "rm" "-f" "84919cf8bb5241c7ae77643a0755b03faa7c039d1c4acaa1d61671ba951c4651"` [INFO] [stdout] 84919cf8bb5241c7ae77643a0755b03faa7c039d1c4acaa1d61671ba951c4651 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-2/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/derezzedex/puzzle_solver:/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] 176eee0a241d87d519ce399fc96f09d07a098e3cedfceb1f88486fc357881513 [INFO] running `"docker" "start" "-a" "176eee0a241d87d519ce399fc96f09d07a098e3cedfceb1f88486fc357881513"` [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.06s [INFO] [stderr] Running /opt/crater/target/debug/deps/puzzle_solver-3348ae0ede6ba9c0 [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" "176eee0a241d87d519ce399fc96f09d07a098e3cedfceb1f88486fc357881513"` [INFO] running `"docker" "rm" "-f" "176eee0a241d87d519ce399fc96f09d07a098e3cedfceb1f88486fc357881513"` [INFO] [stdout] 176eee0a241d87d519ce399fc96f09d07a098e3cedfceb1f88486fc357881513