Dec 11 15:39:18.666 INFO checking keatinge/rust-schedule-optimizer against try#aa9aa79c3c583aab59ac9134542d60a780c35e2e for pr-56677
Dec 11 15:39:18.666 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56677/worker-1/try#aa9aa79c3c583aab59ac9134542d60a780c35e2e:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-1/pr-56677/try#aa9aa79c3c583aab59ac9134542d60a780c35e2e:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +aa9aa79c3c583aab59ac9134542d60a780c35e2e-alt check --frozen --all --all-targets" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 11 15:39:19.259 INFO [stdout] da434ca2854d5905600b3b6be11c25aa97630421cbddf7e60ee532be2248ab2b
Dec 11 15:39:19.261 INFO running `"docker" "start" "-a" "da434ca2854d5905600b3b6be11c25aa97630421cbddf7e60ee532be2248ab2b"`
Dec 11 15:39:20.844 INFO [stderr] usermod: no changes
Dec 11 15:39:21.009 INFO [stderr]    Compiling libc v0.2.36
Dec 11 15:39:22.508 INFO [stderr]    Compiling rand v0.4.2
Dec 11 15:39:25.233 INFO [stderr]    Compiling rand v0.3.22
Dec 11 15:39:25.613 INFO [stderr]    Compiling phf_generator v0.7.21
Dec 11 15:39:26.213 INFO [stderr]    Compiling string_cache_codegen v0.4.0
Dec 11 15:39:26.213 INFO [stderr]    Compiling phf_codegen v0.7.21
Dec 11 15:39:29.036 INFO [stderr]    Compiling string_cache v0.6.2
Dec 11 15:39:29.036 INFO [stderr]    Compiling markup5ever v0.3.2
Dec 11 15:39:37.372 INFO [stderr]     Checking html5ever v0.18.0
Dec 11 15:39:40.338 INFO [stderr]     Checking select v0.4.2
Dec 11 15:39:41.580 INFO [stderr]     Checking sched v0.1.0 (/source)
Dec 11 15:39:43.324 INFO [stderr] warning: unused import: `Equal`
Dec 11 15:39:43.324 INFO [stderr]  --> src/main.rs:5:32
Dec 11 15:39:43.324 INFO [stderr]   |
Dec 11 15:39:43.324 INFO [stderr] 5 | use std::cmp::Ordering::{Less, Equal, Greater};
Dec 11 15:39:43.324 INFO [stderr]   |                                ^^^^^
Dec 11 15:39:43.324 INFO [stderr]   |
Dec 11 15:39:43.324 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 11 15:39:43.324 INFO [stderr] 
Dec 11 15:39:43.324 INFO [stderr] warning: unused imports: `Attr`, `Predicate`
Dec 11 15:39:43.324 INFO [stderr]  --> src/main.rs:8:25
Dec 11 15:39:43.324 INFO [stderr]   |
Dec 11 15:39:43.324 INFO [stderr] 8 | use select::predicate::{Predicate, Attr, Class as HTMLClass, Name, And};
Dec 11 15:39:43.324 INFO [stderr]   |                         ^^^^^^^^^  ^^^^
Dec 11 15:39:43.324 INFO [stderr] 
Dec 11 15:39:43.364 INFO [stderr] warning: unused import: `Equal`
Dec 11 15:39:43.364 INFO [stderr]  --> src/main.rs:5:32
Dec 11 15:39:43.364 INFO [stderr]   |
Dec 11 15:39:43.364 INFO [stderr] 5 | use std::cmp::Ordering::{Less, Equal, Greater};
Dec 11 15:39:43.364 INFO [stderr]   |                                ^^^^^
Dec 11 15:39:43.364 INFO [stderr]   |
Dec 11 15:39:43.364 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 11 15:39:43.364 INFO [stderr] 
Dec 11 15:39:43.364 INFO [stderr] warning: unused imports: `Attr`, `Predicate`
Dec 11 15:39:43.364 INFO [stderr]  --> src/main.rs:8:25
Dec 11 15:39:43.364 INFO [stderr]   |
Dec 11 15:39:43.364 INFO [stderr] 8 | use select::predicate::{Predicate, Attr, Class as HTMLClass, Name, And};
Dec 11 15:39:43.364 INFO [stderr]   |                         ^^^^^^^^^  ^^^^
Dec 11 15:39:43.364 INFO [stderr] 
Dec 11 15:39:43.728 INFO [stderr] warning: constant item is never used: `CRN_INDEX`
Dec 11 15:39:43.728 INFO [stderr]   --> src/main.rs:13:1
Dec 11 15:39:43.728 INFO [stderr]    |
Dec 11 15:39:43.728 INFO [stderr] 13 | const CRN_INDEX:usize = 1_usize;
Dec 11 15:39:43.728 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 15:39:43.728 INFO [stderr]    |
Dec 11 15:39:43.728 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 11 15:39:43.728 INFO [stderr] 
Dec 11 15:39:43.728 INFO [stderr] warning: constant item is never used: `INSTRUCTOR_INDEX`
Dec 11 15:39:43.728 INFO [stderr]   --> src/main.rs:21:1
Dec 11 15:39:43.728 INFO [stderr]    |
Dec 11 15:39:43.728 INFO [stderr] 21 | const INSTRUCTOR_INDEX:usize = 19_usize;
Dec 11 15:39:43.728 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 15:39:43.728 INFO [stderr] 
Dec 11 15:39:43.728 INFO [stderr] warning: constant item is never used: `LOC_INDEX`
Dec 11 15:39:43.728 INFO [stderr]   --> src/main.rs:22:1
Dec 11 15:39:43.728 INFO [stderr]    |
Dec 11 15:39:43.728 INFO [stderr] 22 | const LOC_INDEX:usize = 21_usize;
Dec 11 15:39:43.728 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 15:39:43.728 INFO [stderr] 
Dec 11 15:39:43.728 INFO [stderr] warning: struct is never constructed: `Class`
Dec 11 15:39:43.728 INFO [stderr]    --> src/main.rs:120:1
Dec 11 15:39:43.728 INFO [stderr]     |
Dec 11 15:39:43.728 INFO [stderr] 120 | struct Class<'a> {
Dec 11 15:39:43.728 INFO [stderr]     | ^^^^^^^^^^^^^^^^
Dec 11 15:39:43.728 INFO [stderr] 
Dec 11 15:39:43.728 INFO [stderr] warning: function is never used: `print_stack`
Dec 11 15:39:43.728 INFO [stderr]    --> src/main.rs:145:1
Dec 11 15:39:43.728 INFO [stderr]     |
Dec 11 15:39:43.728 INFO [stderr] 145 | fn print_stack(stack: &[&Section]) {
Dec 11 15:39:43.728 INFO [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 15:39:43.728 INFO [stderr] 
Dec 11 15:39:43.728 INFO [stderr] warning: comparison is useless due to type limits
Dec 11 15:39:43.728 INFO [stderr]    --> src/main.rs:196:21
Dec 11 15:39:43.728 INFO [stderr]     |
Dec 11 15:39:43.728 INFO [stderr] 196 |             assert!(day >= 0 && day < 7);
Dec 11 15:39:43.728 INFO [stderr]     |                     ^^^^^^^^
Dec 11 15:39:43.728 INFO [stderr]     |
Dec 11 15:39:43.740 INFO [stderr]     = note: #[warn(unused_comparisons)] on by default
Dec 11 15:39:43.740 INFO [stderr] 
Dec 11 15:39:43.740 INFO [stderr] warning: variable `SHOULD_PRUNE` should have a snake case name such as `should_prune`
Dec 11 15:39:43.740 INFO [stderr]    --> src/main.rs:673:9
Dec 11 15:39:43.740 INFO [stderr]     |
Dec 11 15:39:43.740 INFO [stderr] 673 |     let SHOULD_PRUNE = true;
Dec 11 15:39:43.740 INFO [stderr]     |         ^^^^^^^^^^^^
Dec 11 15:39:43.740 INFO [stderr]     |
Dec 11 15:39:43.740 INFO [stderr]     = note: #[warn(non_snake_case)] on by default
Dec 11 15:39:43.740 INFO [stderr] 
Dec 11 15:39:43.740 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 11 15:39:43.740 INFO [stderr]    --> src/main.rs:688:5
Dec 11 15:39:43.740 INFO [stderr]     |
Dec 11 15:39:43.740 INFO [stderr] 688 |     file.write_all(full_data.as_bytes());
Dec 11 15:39:43.740 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 15:39:43.740 INFO [stderr]     |
Dec 11 15:39:43.740 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Dec 11 15:39:43.740 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 11 15:39:43.740 INFO [stderr] 
Dec 11 15:39:43.816 INFO [stderr] warning: constant item is never used: `CRN_INDEX`
Dec 11 15:39:43.816 INFO [stderr]   --> src/main.rs:13:1
Dec 11 15:39:43.816 INFO [stderr]    |
Dec 11 15:39:43.817 INFO [stderr] 13 | const CRN_INDEX:usize = 1_usize;
Dec 11 15:39:43.817 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 15:39:43.817 INFO [stderr]    |
Dec 11 15:39:43.817 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 11 15:39:43.817 INFO [stderr] 
Dec 11 15:39:43.818 INFO [stderr] warning: constant item is never used: `INSTRUCTOR_INDEX`
Dec 11 15:39:43.818 INFO [stderr]   --> src/main.rs:21:1
Dec 11 15:39:43.818 INFO [stderr]    |
Dec 11 15:39:43.818 INFO [stderr] 21 | const INSTRUCTOR_INDEX:usize = 19_usize;
Dec 11 15:39:43.818 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 15:39:43.818 INFO [stderr] 
Dec 11 15:39:43.818 INFO [stderr] warning: constant item is never used: `LOC_INDEX`
Dec 11 15:39:43.819 INFO [stderr]   --> src/main.rs:22:1
Dec 11 15:39:43.819 INFO [stderr]    |
Dec 11 15:39:43.819 INFO [stderr] 22 | const LOC_INDEX:usize = 21_usize;
Dec 11 15:39:43.819 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 15:39:43.819 INFO [stderr] 
Dec 11 15:39:43.819 INFO [stderr] warning: struct is never constructed: `Class`
Dec 11 15:39:43.820 INFO [stderr]    --> src/main.rs:120:1
Dec 11 15:39:43.820 INFO [stderr]     |
Dec 11 15:39:43.820 INFO [stderr] 120 | struct Class<'a> {
Dec 11 15:39:43.820 INFO [stderr]     | ^^^^^^^^^^^^^^^^
Dec 11 15:39:43.820 INFO [stderr] 
Dec 11 15:39:43.820 INFO [stderr] warning: function is never used: `print_stack`
Dec 11 15:39:43.821 INFO [stderr]    --> src/main.rs:145:1
Dec 11 15:39:43.821 INFO [stderr]     |
Dec 11 15:39:43.821 INFO [stderr] 145 | fn print_stack(stack: &[&Section]) {
Dec 11 15:39:43.821 INFO [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 15:39:43.821 INFO [stderr] 
Dec 11 15:39:43.833 INFO [stderr] warning: comparison is useless due to type limits
Dec 11 15:39:43.833 INFO [stderr]    --> src/main.rs:196:21
Dec 11 15:39:43.833 INFO [stderr]     |
Dec 11 15:39:43.833 INFO [stderr] 196 |             assert!(day >= 0 && day < 7);
Dec 11 15:39:43.833 INFO [stderr]     |                     ^^^^^^^^
Dec 11 15:39:43.833 INFO [stderr]     |
Dec 11 15:39:43.833 INFO [stderr]     = note: #[warn(unused_comparisons)] on by default
Dec 11 15:39:43.833 INFO [stderr] 
Dec 11 15:39:43.833 INFO [stderr] warning: variable `SHOULD_PRUNE` should have a snake case name such as `should_prune`
Dec 11 15:39:43.833 INFO [stderr]    --> src/main.rs:673:9
Dec 11 15:39:43.833 INFO [stderr]     |
Dec 11 15:39:43.833 INFO [stderr] 673 |     let SHOULD_PRUNE = true;
Dec 11 15:39:43.833 INFO [stderr]     |         ^^^^^^^^^^^^
Dec 11 15:39:43.833 INFO [stderr]     |
Dec 11 15:39:43.833 INFO [stderr]     = note: #[warn(non_snake_case)] on by default
Dec 11 15:39:43.833 INFO [stderr] 
Dec 11 15:39:43.833 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 11 15:39:43.833 INFO [stderr]    --> src/main.rs:688:5
Dec 11 15:39:43.833 INFO [stderr]     |
Dec 11 15:39:43.833 INFO [stderr] 688 |     file.write_all(full_data.as_bytes());
Dec 11 15:39:43.833 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 15:39:43.833 INFO [stderr]     |
Dec 11 15:39:43.833 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Dec 11 15:39:43.833 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 11 15:39:43.833 INFO [stderr] 
Dec 11 15:39:43.869 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 23.00s
Dec 11 15:39:43.872 INFO [stderr] su: No module specific data is present
Dec 11 15:39:45.038 INFO running `"docker" "inspect" "da434ca2854d5905600b3b6be11c25aa97630421cbddf7e60ee532be2248ab2b"`
Dec 11 15:39:45.398 INFO running `"docker" "rm" "-f" "da434ca2854d5905600b3b6be11c25aa97630421cbddf7e60ee532be2248ab2b"`
Dec 11 15:39:45.744 INFO [stdout] da434ca2854d5905600b3b6be11c25aa97630421cbddf7e60ee532be2248ab2b