[INFO] updating cached repository keatinge/rust-schedule-optimizer [INFO] running `"git" "fetch" "--all"` [INFO] [stdout] Fetching origin [INFO] [stderr] From git://github.com/keatinge/rust-schedule-optimizer [INFO] [stderr] * branch HEAD -> FETCH_HEAD [INFO] running `"git" "clone" "work/cache/sources/gh/keatinge/rust-schedule-optimizer" "work/ex/pr-60162/sources/master#a850a426491e14186af2250549bf41256b5938d2/gh/keatinge/rust-schedule-optimizer"` [INFO] [stderr] Cloning into 'work/ex/pr-60162/sources/master#a850a426491e14186af2250549bf41256b5938d2/gh/keatinge/rust-schedule-optimizer'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/keatinge/rust-schedule-optimizer" "work/ex/pr-60162/sources/try#06a150c7d11500b41499224f165e9de1de096768/gh/keatinge/rust-schedule-optimizer"` [INFO] [stderr] Cloning into 'work/ex/pr-60162/sources/try#06a150c7d11500b41499224f165e9de1de096768/gh/keatinge/rust-schedule-optimizer'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 110685c1cdff41914c8ef824555457b549a998da [INFO] sha for GitHub repo keatinge/rust-schedule-optimizer: 110685c1cdff41914c8ef824555457b549a998da [INFO] validating manifest of keatinge/rust-schedule-optimizer on toolchain master#a850a426491e14186af2250549bf41256b5938d2 [INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+a850a426491e14186af2250549bf41256b5938d2-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of keatinge/rust-schedule-optimizer on toolchain try#06a150c7d11500b41499224f165e9de1de096768 [INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+06a150c7d11500b41499224f165e9de1de096768-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started frobbing keatinge/rust-schedule-optimizer [INFO] finished frobbing keatinge/rust-schedule-optimizer [INFO] frobbed toml for keatinge/rust-schedule-optimizer written to work/ex/pr-60162/sources/master#a850a426491e14186af2250549bf41256b5938d2/gh/keatinge/rust-schedule-optimizer/Cargo.toml [INFO] started frobbing keatinge/rust-schedule-optimizer [INFO] finished frobbing keatinge/rust-schedule-optimizer [INFO] frobbed toml for keatinge/rust-schedule-optimizer written to work/ex/pr-60162/sources/try#06a150c7d11500b41499224f165e9de1de096768/gh/keatinge/rust-schedule-optimizer/Cargo.toml [INFO] crate keatinge/rust-schedule-optimizer already has a lockfile, it will not be regenerated [INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+a850a426491e14186af2250549bf41256b5938d2-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+06a150c7d11500b41499224f165e9de1de096768-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] checking keatinge/rust-schedule-optimizer against master#a850a426491e14186af2250549bf41256b5938d2 for pr-60162 [INFO] running `"docker" "create" "-v" "/mnt/crater-raid/crater/work/local/target-dirs/pr-60162/worker-1/master#a850a426491e14186af2250549bf41256b5938d2:/opt/crater/target:rw,Z" "-v" "/mnt/crater-raid/crater/work/ex/pr-60162/sources/master#a850a426491e14186af2250549bf41256b5938d2/gh/keatinge/rust-schedule-optimizer:/opt/crater/workdir:ro,Z" "-v" "/mnt/crater-raid/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/crater-raid/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" "+a850a426491e14186af2250549bf41256b5938d2-alt" "check" "--frozen" "--all" "--all-targets"` [INFO] [stdout] 88f1babf6380bf7ab282ad3b3f57bb9c49ee87b769e93400f8d880223f8e516d [INFO] running `"docker" "start" "-a" "88f1babf6380bf7ab282ad3b3f57bb9c49ee87b769e93400f8d880223f8e516d"` [INFO] [stderr] Compiling string_cache_codegen v0.4.0 [INFO] [stderr] Compiling string_cache v0.6.2 [INFO] [stderr] Compiling markup5ever v0.3.2 [INFO] [stderr] Checking html5ever v0.18.0 [INFO] [stderr] Checking select v0.4.2 [INFO] [stderr] Checking sched v0.1.0 (/opt/crater/workdir) [INFO] [stderr] warning: unused import: `Equal` [INFO] [stderr] --> src/main.rs:5:32 [INFO] [stderr] | [INFO] [stderr] 5 | use std::cmp::Ordering::{Less, Equal, Greater}; [INFO] [stderr] | ^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_imports)] on by default [INFO] [stderr] [INFO] [stderr] warning: unused imports: `Attr`, `Predicate` [INFO] [stderr] --> src/main.rs:8:25 [INFO] [stderr] | [INFO] [stderr] 8 | use select::predicate::{Predicate, Attr, Class as HTMLClass, Name, And}; [INFO] [stderr] | ^^^^^^^^^ ^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `Equal` [INFO] [stderr] --> src/main.rs:5:32 [INFO] [stderr] | [INFO] [stderr] 5 | use std::cmp::Ordering::{Less, Equal, Greater}; [INFO] [stderr] | ^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_imports)] on by default [INFO] [stderr] [INFO] [stderr] warning: unused imports: `Attr`, `Predicate` [INFO] [stderr] --> src/main.rs:8:25 [INFO] [stderr] | [INFO] [stderr] 8 | use select::predicate::{Predicate, Attr, Class as HTMLClass, Name, And}; [INFO] [stderr] | ^^^^^^^^^ ^^^^ [INFO] [stderr] [INFO] [stderr] warning: constant item is never used: `CRN_INDEX` [INFO] [stderr] --> src/main.rs:13:1 [INFO] [stderr] | [INFO] [stderr] 13 | const CRN_INDEX:usize = 1_usize; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(dead_code)] on by default [INFO] [stderr] [INFO] [stderr] warning: constant item is never used: `INSTRUCTOR_INDEX` [INFO] [stderr] --> src/main.rs:21:1 [INFO] [stderr] | [INFO] [stderr] 21 | const INSTRUCTOR_INDEX:usize = 19_usize; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: constant item is never used: `LOC_INDEX` [INFO] [stderr] --> src/main.rs:22:1 [INFO] [stderr] | [INFO] [stderr] 22 | const LOC_INDEX:usize = 21_usize; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: struct is never constructed: `Class` [INFO] [stderr] --> src/main.rs:120:1 [INFO] [stderr] | [INFO] [stderr] 120 | struct Class<'a> { [INFO] [stderr] | ^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `print_stack` [INFO] [stderr] --> src/main.rs:145:1 [INFO] [stderr] | [INFO] [stderr] 145 | fn print_stack(stack: &[&Section]) { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: comparison is useless due to type limits [INFO] [stderr] --> src/main.rs:196:21 [INFO] [stderr] | [INFO] [stderr] 196 | assert!(day >= 0 && day < 7); [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_comparisons)] on by default [INFO] [stderr] [INFO] [stderr] warning: variable `SHOULD_PRUNE` should have a snake case name [INFO] [stderr] --> src/main.rs:673:9 [INFO] [stderr] | [INFO] [stderr] 673 | let SHOULD_PRUNE = true; [INFO] [stderr] | ^^^^^^^^^^^^ help: convert the identifier to snake case: `should_prune` [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:688:5 [INFO] [stderr] | [INFO] [stderr] 688 | file.write_all(full_data.as_bytes()); [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: constant item is never used: `CRN_INDEX` [INFO] [stderr] --> src/main.rs:13:1 [INFO] [stderr] | [INFO] [stderr] 13 | const CRN_INDEX:usize = 1_usize; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(dead_code)] on by default [INFO] [stderr] [INFO] [stderr] warning: constant item is never used: `INSTRUCTOR_INDEX` [INFO] [stderr] --> src/main.rs:21:1 [INFO] [stderr] | [INFO] [stderr] 21 | const INSTRUCTOR_INDEX:usize = 19_usize; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: constant item is never used: `LOC_INDEX` [INFO] [stderr] --> src/main.rs:22:1 [INFO] [stderr] | [INFO] [stderr] 22 | const LOC_INDEX:usize = 21_usize; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: struct is never constructed: `Class` [INFO] [stderr] --> src/main.rs:120:1 [INFO] [stderr] | [INFO] [stderr] 120 | struct Class<'a> { [INFO] [stderr] | ^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `print_stack` [INFO] [stderr] --> src/main.rs:145:1 [INFO] [stderr] | [INFO] [stderr] 145 | fn print_stack(stack: &[&Section]) { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: comparison is useless due to type limits [INFO] [stderr] --> src/main.rs:196:21 [INFO] [stderr] | [INFO] [stderr] 196 | assert!(day >= 0 && day < 7); [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_comparisons)] on by default [INFO] [stderr] [INFO] [stderr] warning: variable `SHOULD_PRUNE` should have a snake case name [INFO] [stderr] --> src/main.rs:673:9 [INFO] [stderr] | [INFO] [stderr] 673 | let SHOULD_PRUNE = true; [INFO] [stderr] | ^^^^^^^^^^^^ help: convert the identifier to snake case: `should_prune` [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:688:5 [INFO] [stderr] | [INFO] [stderr] 688 | file.write_all(full_data.as_bytes()); [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 11.21s [INFO] running `"docker" "inspect" "88f1babf6380bf7ab282ad3b3f57bb9c49ee87b769e93400f8d880223f8e516d"` [INFO] running `"docker" "rm" "-f" "88f1babf6380bf7ab282ad3b3f57bb9c49ee87b769e93400f8d880223f8e516d"` [INFO] [stdout] 88f1babf6380bf7ab282ad3b3f57bb9c49ee87b769e93400f8d880223f8e516d