[INFO] updating cached repository henryroyal/cli-fractional-knapsack [INFO] running `"git" "fetch" "--all"` [INFO] [stdout] Fetching origin [INFO] [stderr] From git://github.com/henryroyal/cli-fractional-knapsack [INFO] [stderr] * branch HEAD -> FETCH_HEAD [INFO] running `"git" "clone" "work/cache/sources/gh/henryroyal/cli-fractional-knapsack" "work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/henryroyal/cli-fractional-knapsack"` [INFO] [stderr] Cloning into 'work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/henryroyal/cli-fractional-knapsack'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/henryroyal/cli-fractional-knapsack" "work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/henryroyal/cli-fractional-knapsack"` [INFO] [stderr] Cloning into 'work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/henryroyal/cli-fractional-knapsack'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] aad60f6e27baaad53767c4245a6d82b33105d7fd [INFO] sha for GitHub repo henryroyal/cli-fractional-knapsack: aad60f6e27baaad53767c4245a6d82b33105d7fd [INFO] validating manifest of henryroyal/cli-fractional-knapsack on toolchain master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of henryroyal/cli-fractional-knapsack on toolchain try#7fea0229842e79db1159ea58ad9a653b288efee9 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started frobbing henryroyal/cli-fractional-knapsack [INFO] finished frobbing henryroyal/cli-fractional-knapsack [INFO] frobbed toml for henryroyal/cli-fractional-knapsack written to work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/henryroyal/cli-fractional-knapsack/Cargo.toml [INFO] started frobbing henryroyal/cli-fractional-knapsack [INFO] finished frobbing henryroyal/cli-fractional-knapsack [INFO] frobbed toml for henryroyal/cli-fractional-knapsack written to work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/henryroyal/cli-fractional-knapsack/Cargo.toml [INFO] crate henryroyal/cli-fractional-knapsack has a lockfile. skipping [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] testing henryroyal/cli-fractional-knapsack against try#7fea0229842e79db1159ea58ad9a653b288efee9 for pr-57967 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-3/try#7fea0229842e79db1159ea58ad9a653b288efee9:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/henryroyal/cli-fractional-knapsack:/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" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "build" "--frozen"` [INFO] [stdout] 252b16012ab2741b61a55b7057754795c21befe3599a5162404ed741fa470268 [INFO] running `"docker" "start" "-a" "252b16012ab2741b61a55b7057754795c21befe3599a5162404ed741fa470268"` [INFO] [stderr] Compiling fractional_knapsack v0.1.0 (/opt/crater/workdir) [INFO] [stderr] warning: unused variable: `ix` [INFO] [stderr] --> src/main.rs:67:13 [INFO] [stderr] | [INFO] [stderr] 67 | let mut ix: usize = 0; [INFO] [stderr] | ^^ help: consider prefixing with an underscore: `_ix` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_variables)] on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `remaining_weight` [INFO] [stderr] --> src/main.rs:86:13 [INFO] [stderr] | [INFO] [stderr] 86 | let remaining_weight = max_weight - weight; [INFO] [stderr] | ^^^^^^^^^^^^^^^^ help: consider prefixing with an underscore: `_remaining_weight` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `remaining_count` [INFO] [stderr] --> src/main.rs:87:13 [INFO] [stderr] | [INFO] [stderr] 87 | let remaining_count = max_count - count; [INFO] [stderr] | ^^^^^^^^^^^^^^^ help: consider prefixing with an underscore: `_remaining_count` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `other` [INFO] [stderr] --> src/main.rs:29:18 [INFO] [stderr] | [INFO] [stderr] 29 | fn eq(&self, other: &Item) -> bool { [INFO] [stderr] | ^^^^^ help: consider prefixing with an underscore: `_other` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:67:9 [INFO] [stderr] | [INFO] [stderr] 67 | let mut ix: usize = 0; [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 `DEBUG` should have a snake case name [INFO] [stderr] --> src/main.rs:66:9 [INFO] [stderr] | [INFO] [stderr] 66 | let DEBUG = false; [INFO] [stderr] | ^^^^^ help: convert the identifier to snake case: `debug` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(non_snake_case)] on by default [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/main.rs:123:5 [INFO] [stderr] | [INFO] [stderr] 123 | 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: unused return value of `std::str::::replace` that must be used [INFO] [stderr] --> src/main.rs:124:5 [INFO] [stderr] | [INFO] [stderr] 124 | stdin.replace("\n", ""); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this returns the replaced string as a new allocation, without modifying the original [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.71s [INFO] running `"docker" "inspect" "252b16012ab2741b61a55b7057754795c21befe3599a5162404ed741fa470268"` [INFO] running `"docker" "rm" "-f" "252b16012ab2741b61a55b7057754795c21befe3599a5162404ed741fa470268"` [INFO] [stdout] 252b16012ab2741b61a55b7057754795c21befe3599a5162404ed741fa470268 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-3/try#7fea0229842e79db1159ea58ad9a653b288efee9:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/henryroyal/cli-fractional-knapsack:/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" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "test" "--frozen" "--no-run"` [INFO] [stdout] 8db83dec09de75abb22c5259bf644995008a4c85a04436d05298acebe0415b84 [INFO] running `"docker" "start" "-a" "8db83dec09de75abb22c5259bf644995008a4c85a04436d05298acebe0415b84"` [INFO] [stderr] Compiling fractional_knapsack v0.1.0 (/opt/crater/workdir) [INFO] [stderr] warning: unused variable: `ix` [INFO] [stderr] --> src/main.rs:67:13 [INFO] [stderr] | [INFO] [stderr] 67 | let mut ix: usize = 0; [INFO] [stderr] | ^^ help: consider prefixing with an underscore: `_ix` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_variables)] on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `remaining_weight` [INFO] [stderr] --> src/main.rs:86:13 [INFO] [stderr] | [INFO] [stderr] 86 | let remaining_weight = max_weight - weight; [INFO] [stderr] | ^^^^^^^^^^^^^^^^ help: consider prefixing with an underscore: `_remaining_weight` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `remaining_count` [INFO] [stderr] --> src/main.rs:87:13 [INFO] [stderr] | [INFO] [stderr] 87 | let remaining_count = max_count - count; [INFO] [stderr] | ^^^^^^^^^^^^^^^ help: consider prefixing with an underscore: `_remaining_count` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `other` [INFO] [stderr] --> src/main.rs:29:18 [INFO] [stderr] | [INFO] [stderr] 29 | fn eq(&self, other: &Item) -> bool { [INFO] [stderr] | ^^^^^ help: consider prefixing with an underscore: `_other` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:67:9 [INFO] [stderr] | [INFO] [stderr] 67 | let mut ix: usize = 0; [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 `DEBUG` should have a snake case name [INFO] [stderr] --> src/main.rs:66:9 [INFO] [stderr] | [INFO] [stderr] 66 | let DEBUG = false; [INFO] [stderr] | ^^^^^ help: convert the identifier to snake case: `debug` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(non_snake_case)] on by default [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/main.rs:123:5 [INFO] [stderr] | [INFO] [stderr] 123 | 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: unused return value of `std::str::::replace` that must be used [INFO] [stderr] --> src/main.rs:124:5 [INFO] [stderr] | [INFO] [stderr] 124 | stdin.replace("\n", ""); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this returns the replaced string as a new allocation, without modifying the original [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.39s [INFO] running `"docker" "inspect" "8db83dec09de75abb22c5259bf644995008a4c85a04436d05298acebe0415b84"` [INFO] running `"docker" "rm" "-f" "8db83dec09de75abb22c5259bf644995008a4c85a04436d05298acebe0415b84"` [INFO] [stdout] 8db83dec09de75abb22c5259bf644995008a4c85a04436d05298acebe0415b84 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-3/try#7fea0229842e79db1159ea58ad9a653b288efee9:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/henryroyal/cli-fractional-knapsack:/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" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "test" "--frozen"` [INFO] [stdout] bc2c984c517738da7e827e475d5c662f13f236acb6027ed0ae93de78daa621b5 [INFO] running `"docker" "start" "-a" "bc2c984c517738da7e827e475d5c662f13f236acb6027ed0ae93de78daa621b5"` [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.01s [INFO] [stderr] Running /opt/crater/target/debug/deps/fractional_knapsack-1773b0da94a8b3ab [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" "bc2c984c517738da7e827e475d5c662f13f236acb6027ed0ae93de78daa621b5"` [INFO] running `"docker" "rm" "-f" "bc2c984c517738da7e827e475d5c662f13f236acb6027ed0ae93de78daa621b5"` [INFO] [stdout] bc2c984c517738da7e827e475d5c662f13f236acb6027ed0ae93de78daa621b5