[INFO] updating cached repository theboginator/drink-bleach [INFO] running `"git" "fetch" "--all"` [INFO] [stdout] Fetching origin [INFO] [stderr] From git://github.com/theboginator/drink-bleach [INFO] [stderr] * branch HEAD -> FETCH_HEAD [INFO] running `"git" "clone" "work/cache/sources/gh/theboginator/drink-bleach" "work/ex/beta-1.38-1/sources/1.37.0/gh/theboginator/drink-bleach"` [INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/theboginator/drink-bleach'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/theboginator/drink-bleach" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/theboginator/drink-bleach"` [INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/theboginator/drink-bleach'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 5a66c869b6ad6b8cf4ca4b988b7977d4dd40d561 [INFO] sha for GitHub repo theboginator/drink-bleach: 5a66c869b6ad6b8cf4ca4b988b7977d4dd40d561 [INFO] validating manifest of theboginator/drink-bleach on toolchain 1.37.0 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of theboginator/drink-bleach on toolchain beta-2019-08-13 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started frobbing theboginator/drink-bleach [INFO] finished frobbing theboginator/drink-bleach [INFO] frobbed toml for theboginator/drink-bleach written to work/ex/beta-1.38-1/sources/1.37.0/gh/theboginator/drink-bleach/Cargo.toml [INFO] started frobbing theboginator/drink-bleach [INFO] finished frobbing theboginator/drink-bleach [INFO] frobbed toml for theboginator/drink-bleach written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/theboginator/drink-bleach/Cargo.toml [INFO] crate theboginator/drink-bleach already has a lockfile, it will not be regenerated [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] testing theboginator/drink-bleach against beta-2019-08-13 for beta-1.38-1 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/theboginator/drink-bleach:/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-2019-08-13" "build" "--frozen"` [INFO] [stdout] a36eac72429be7ce22f988f2710ca13e6363def7f0962c2bc9b395d00aaf8fb9 [INFO] running `"docker" "start" "-a" "a36eac72429be7ce22f988f2710ca13e6363def7f0962c2bc9b395d00aaf8fb9"` [INFO] [stderr] Compiling drinkbleach v0.1.0 (/opt/crater/workdir) [INFO] [stderr] warning: unused variable: `word_map` [INFO] [stderr] --> src/main.rs:54:21 [INFO] [stderr] | [INFO] [stderr] 54 | fn writeResults(mut word_map: HashMap, filename: &str) { [INFO] [stderr] | ^^^^^^^^ help: consider prefixing with an underscore: `_word_map` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `filename` [INFO] [stderr] --> src/main.rs:54:53 [INFO] [stderr] | [INFO] [stderr] 54 | fn writeResults(mut word_map: HashMap, filename: &str) { [INFO] [stderr] | ^^^^^^^^ help: consider prefixing with an underscore: `_filename` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:30:9 [INFO] [stderr] | [INFO] [stderr] 30 | let mut word_count = word_count(&contents); [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:47:9 [INFO] [stderr] | [INFO] [stderr] 47 | let mut word_map = word_string.split(|c: char| !c.is_alphanumeric()) [INFO] [stderr] | ----^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:54:17 [INFO] [stderr] | [INFO] [stderr] 54 | fn writeResults(mut word_map: HashMap, filename: &str) { [INFO] [stderr] | ----^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: function is never used: `writeResults` [INFO] [stderr] --> src/main.rs:54:1 [INFO] [stderr] | [INFO] [stderr] 54 | fn writeResults(mut word_map: HashMap, filename: &str) { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: function `writeResults` should have a snake case name [INFO] [stderr] --> src/main.rs:54:4 [INFO] [stderr] | [INFO] [stderr] 54 | fn writeResults(mut word_map: HashMap, filename: &str) { [INFO] [stderr] | ^^^^^^^^^^^^ help: convert the identifier to snake case: `write_results` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(non_snake_case)]` on by default [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 2.15s [INFO] running `"docker" "inspect" "a36eac72429be7ce22f988f2710ca13e6363def7f0962c2bc9b395d00aaf8fb9"` [INFO] running `"docker" "rm" "-f" "a36eac72429be7ce22f988f2710ca13e6363def7f0962c2bc9b395d00aaf8fb9"` [INFO] [stdout] a36eac72429be7ce22f988f2710ca13e6363def7f0962c2bc9b395d00aaf8fb9 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/theboginator/drink-bleach:/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-2019-08-13" "test" "--frozen" "--no-run"` [INFO] [stdout] 8189bbecb29c7d0efc199f3bfaf036dd5be9250695da955edeab0428b7b0f9ee [INFO] running `"docker" "start" "-a" "8189bbecb29c7d0efc199f3bfaf036dd5be9250695da955edeab0428b7b0f9ee"` [INFO] [stderr] Compiling drinkbleach v0.1.0 (/opt/crater/workdir) [INFO] [stderr] warning: unused variable: `word_map` [INFO] [stderr] --> src/main.rs:54:21 [INFO] [stderr] | [INFO] [stderr] 54 | fn writeResults(mut word_map: HashMap, filename: &str) { [INFO] [stderr] | ^^^^^^^^ help: consider prefixing with an underscore: `_word_map` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `filename` [INFO] [stderr] --> src/main.rs:54:53 [INFO] [stderr] | [INFO] [stderr] 54 | fn writeResults(mut word_map: HashMap, filename: &str) { [INFO] [stderr] | ^^^^^^^^ help: consider prefixing with an underscore: `_filename` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:30:9 [INFO] [stderr] | [INFO] [stderr] 30 | let mut word_count = word_count(&contents); [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:47:9 [INFO] [stderr] | [INFO] [stderr] 47 | let mut word_map = word_string.split(|c: char| !c.is_alphanumeric()) [INFO] [stderr] | ----^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:54:17 [INFO] [stderr] | [INFO] [stderr] 54 | fn writeResults(mut word_map: HashMap, filename: &str) { [INFO] [stderr] | ----^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: function is never used: `writeResults` [INFO] [stderr] --> src/main.rs:54:1 [INFO] [stderr] | [INFO] [stderr] 54 | fn writeResults(mut word_map: HashMap, filename: &str) { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: function `writeResults` should have a snake case name [INFO] [stderr] --> src/main.rs:54:4 [INFO] [stderr] | [INFO] [stderr] 54 | fn writeResults(mut word_map: HashMap, filename: &str) { [INFO] [stderr] | ^^^^^^^^^^^^ help: convert the identifier to snake case: `write_results` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(non_snake_case)]` on by default [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.64s [INFO] running `"docker" "inspect" "8189bbecb29c7d0efc199f3bfaf036dd5be9250695da955edeab0428b7b0f9ee"` [INFO] running `"docker" "rm" "-f" "8189bbecb29c7d0efc199f3bfaf036dd5be9250695da955edeab0428b7b0f9ee"` [INFO] [stdout] 8189bbecb29c7d0efc199f3bfaf036dd5be9250695da955edeab0428b7b0f9ee [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/theboginator/drink-bleach:/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-2019-08-13" "test" "--frozen"` [INFO] [stdout] f248a9287dc92b6f3a3c2ea7fcba01e8c3c28a10f09855834fdbc8bfc0241f36 [INFO] running `"docker" "start" "-a" "f248a9287dc92b6f3a3c2ea7fcba01e8c3c28a10f09855834fdbc8bfc0241f36"` [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.03s [INFO] [stderr] Running /opt/crater/target/debug/deps/drinkbleach-0c5dfa41659a7ee8 [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" "f248a9287dc92b6f3a3c2ea7fcba01e8c3c28a10f09855834fdbc8bfc0241f36"` [INFO] running `"docker" "rm" "-f" "f248a9287dc92b6f3a3c2ea7fcba01e8c3c28a10f09855834fdbc8bfc0241f36"` [INFO] [stdout] f248a9287dc92b6f3a3c2ea7fcba01e8c3c28a10f09855834fdbc8bfc0241f36