Dec 19 14:30:06.876 INFO checking keatinge/rust-schedule-optimizer against try#e70472fc501b855c9080f3772432c10fe20b8866 for pr-56955
Dec 19 14:30:06.876 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-3/try#e70472fc501b855c9080f3772432c10fe20b8866:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/try#e70472fc501b855c9080f3772432c10fe20b8866/gh/keatinge/rust-schedule-optimizer:/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" "+e70472fc501b855c9080f3772432c10fe20b8866-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 19 14:30:07.301 INFO [stdout] 3a741526d5c49a0ba07c3a0a466e56465a5a2366288fe29aca40df16741d8e93
Dec 19 14:30:07.308 INFO running `"docker" "start" "-a" "3a741526d5c49a0ba07c3a0a466e56465a5a2366288fe29aca40df16741d8e93"`
Dec 19 14:30:08.972 INFO [stderr]    Compiling rand v0.3.22
Dec 19 14:30:08.972 INFO [stderr]     Checking tendril v0.3.1
Dec 19 14:30:09.545 INFO [stderr]    Compiling phf_generator v0.7.21
Dec 19 14:30:09.972 INFO [stderr]    Compiling string_cache_codegen v0.4.0
Dec 19 14:30:09.972 INFO [stderr]    Compiling phf_codegen v0.7.21
Dec 19 14:30:12.124 INFO [stderr]    Compiling string_cache v0.6.2
Dec 19 14:30:12.124 INFO [stderr]    Compiling markup5ever v0.3.2
Dec 19 14:30:18.688 INFO [stderr]     Checking html5ever v0.18.0
Dec 19 14:30:21.056 INFO [stderr]     Checking select v0.4.2
Dec 19 14:30:21.948 INFO [stderr]     Checking sched v0.1.0 (/opt/crater/workdir)
Dec 19 14:30:22.504 INFO [stderr] warning: unused import: `Equal`
Dec 19 14:30:22.504 INFO [stderr]  --> src/main.rs:5:32
Dec 19 14:30:22.504 INFO [stderr]   |
Dec 19 14:30:22.504 INFO [stderr] 5 | use std::cmp::Ordering::{Less, Equal, Greater};
Dec 19 14:30:22.504 INFO [stderr]   |                                ^^^^^
Dec 19 14:30:22.504 INFO [stderr]   |
Dec 19 14:30:22.504 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 19 14:30:22.504 INFO [stderr] 
Dec 19 14:30:22.504 INFO [stderr] warning: unused imports: `Attr`, `Predicate`
Dec 19 14:30:22.504 INFO [stderr]  --> src/main.rs:8:25
Dec 19 14:30:22.504 INFO [stderr]   |
Dec 19 14:30:22.504 INFO [stderr] 8 | use select::predicate::{Predicate, Attr, Class as HTMLClass, Name, And};
Dec 19 14:30:22.504 INFO [stderr]   |                         ^^^^^^^^^  ^^^^
Dec 19 14:30:22.504 INFO [stderr] 
Dec 19 14:30:22.616 INFO [stderr] warning: unused import: `Equal`
Dec 19 14:30:22.616 INFO [stderr]  --> src/main.rs:5:32
Dec 19 14:30:22.616 INFO [stderr]   |
Dec 19 14:30:22.616 INFO [stderr] 5 | use std::cmp::Ordering::{Less, Equal, Greater};
Dec 19 14:30:22.616 INFO [stderr]   |                                ^^^^^
Dec 19 14:30:22.616 INFO [stderr]   |
Dec 19 14:30:22.616 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 19 14:30:22.616 INFO [stderr] 
Dec 19 14:30:22.616 INFO [stderr] warning: unused imports: `Attr`, `Predicate`
Dec 19 14:30:22.616 INFO [stderr]  --> src/main.rs:8:25
Dec 19 14:30:22.616 INFO [stderr]   |
Dec 19 14:30:22.616 INFO [stderr] 8 | use select::predicate::{Predicate, Attr, Class as HTMLClass, Name, And};
Dec 19 14:30:22.616 INFO [stderr]   |                         ^^^^^^^^^  ^^^^
Dec 19 14:30:22.616 INFO [stderr] 
Dec 19 14:30:23.083 INFO [stderr] warning: constant item is never used: `CRN_INDEX`
Dec 19 14:30:23.083 INFO [stderr]   --> src/main.rs:13:1
Dec 19 14:30:23.083 INFO [stderr]    |
Dec 19 14:30:23.083 INFO [stderr] 13 | const CRN_INDEX:usize = 1_usize;
Dec 19 14:30:23.083 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 14:30:23.083 INFO [stderr]    |
Dec 19 14:30:23.083 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 19 14:30:23.083 INFO [stderr] 
Dec 19 14:30:23.083 INFO [stderr] warning: constant item is never used: `INSTRUCTOR_INDEX`
Dec 19 14:30:23.083 INFO [stderr]   --> src/main.rs:21:1
Dec 19 14:30:23.083 INFO [stderr]    |
Dec 19 14:30:23.083 INFO [stderr] 21 | const INSTRUCTOR_INDEX:usize = 19_usize;
Dec 19 14:30:23.083 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 14:30:23.083 INFO [stderr] 
Dec 19 14:30:23.083 INFO [stderr] warning: constant item is never used: `LOC_INDEX`
Dec 19 14:30:23.083 INFO [stderr]   --> src/main.rs:22:1
Dec 19 14:30:23.083 INFO [stderr]    |
Dec 19 14:30:23.083 INFO [stderr] 22 | const LOC_INDEX:usize = 21_usize;
Dec 19 14:30:23.083 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 14:30:23.083 INFO [stderr] 
Dec 19 14:30:23.083 INFO [stderr] warning: struct is never constructed: `Class`
Dec 19 14:30:23.083 INFO [stderr]    --> src/main.rs:120:1
Dec 19 14:30:23.083 INFO [stderr]     |
Dec 19 14:30:23.083 INFO [stderr] 120 | struct Class<'a> {
Dec 19 14:30:23.083 INFO [stderr]     | ^^^^^^^^^^^^^^^^
Dec 19 14:30:23.083 INFO [stderr] 
Dec 19 14:30:23.083 INFO [stderr] warning: function is never used: `print_stack`
Dec 19 14:30:23.083 INFO [stderr]    --> src/main.rs:145:1
Dec 19 14:30:23.083 INFO [stderr]     |
Dec 19 14:30:23.083 INFO [stderr] 145 | fn print_stack(stack: &[&Section]) {
Dec 19 14:30:23.083 INFO [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 14:30:23.083 INFO [stderr] 
Dec 19 14:30:23.083 INFO [stderr] warning: comparison is useless due to type limits
Dec 19 14:30:23.083 INFO [stderr]    --> src/main.rs:196:21
Dec 19 14:30:23.083 INFO [stderr]     |
Dec 19 14:30:23.083 INFO [stderr] 196 |             assert!(day >= 0 && day < 7);
Dec 19 14:30:23.083 INFO [stderr]     |                     ^^^^^^^^
Dec 19 14:30:23.083 INFO [stderr]     |
Dec 19 14:30:23.083 INFO [stderr]     = note: #[warn(unused_comparisons)] on by default
Dec 19 14:30:23.083 INFO [stderr] 
Dec 19 14:30:23.088 INFO [stderr] warning: variable `SHOULD_PRUNE` should have a snake case name such as `should_prune`
Dec 19 14:30:23.088 INFO [stderr]    --> src/main.rs:673:9
Dec 19 14:30:23.088 INFO [stderr]     |
Dec 19 14:30:23.088 INFO [stderr] 673 |     let SHOULD_PRUNE = true;
Dec 19 14:30:23.088 INFO [stderr]     |         ^^^^^^^^^^^^
Dec 19 14:30:23.088 INFO [stderr]     |
Dec 19 14:30:23.088 INFO [stderr]     = note: #[warn(non_snake_case)] on by default
Dec 19 14:30:23.088 INFO [stderr] 
Dec 19 14:30:23.088 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 14:30:23.088 INFO [stderr]    --> src/main.rs:688:5
Dec 19 14:30:23.088 INFO [stderr]     |
Dec 19 14:30:23.088 INFO [stderr] 688 |     file.write_all(full_data.as_bytes());
Dec 19 14:30:23.088 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 14:30:23.088 INFO [stderr]     |
Dec 19 14:30:23.088 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Dec 19 14:30:23.088 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 14:30:23.088 INFO [stderr] 
Dec 19 14:30:23.212 INFO [stderr] warning: constant item is never used: `CRN_INDEX`
Dec 19 14:30:23.212 INFO [stderr]   --> src/main.rs:13:1
Dec 19 14:30:23.212 INFO [stderr]    |
Dec 19 14:30:23.212 INFO [stderr] 13 | const CRN_INDEX:usize = 1_usize;
Dec 19 14:30:23.212 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 14:30:23.212 INFO [stderr]    |
Dec 19 14:30:23.212 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 19 14:30:23.212 INFO [stderr] 
Dec 19 14:30:23.212 INFO [stderr] warning: constant item is never used: `INSTRUCTOR_INDEX`
Dec 19 14:30:23.212 INFO [stderr]   --> src/main.rs:21:1
Dec 19 14:30:23.212 INFO [stderr]    |
Dec 19 14:30:23.212 INFO [stderr] 21 | const INSTRUCTOR_INDEX:usize = 19_usize;
Dec 19 14:30:23.212 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 14:30:23.212 INFO [stderr] 
Dec 19 14:30:23.212 INFO [stderr] warning: constant item is never used: `LOC_INDEX`
Dec 19 14:30:23.212 INFO [stderr]   --> src/main.rs:22:1
Dec 19 14:30:23.212 INFO [stderr]    |
Dec 19 14:30:23.212 INFO [stderr] 22 | const LOC_INDEX:usize = 21_usize;
Dec 19 14:30:23.212 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 14:30:23.212 INFO [stderr] 
Dec 19 14:30:23.212 INFO [stderr] warning: struct is never constructed: `Class`
Dec 19 14:30:23.212 INFO [stderr]    --> src/main.rs:120:1
Dec 19 14:30:23.212 INFO [stderr]     |
Dec 19 14:30:23.212 INFO [stderr] 120 | struct Class<'a> {
Dec 19 14:30:23.212 INFO [stderr]     | ^^^^^^^^^^^^^^^^
Dec 19 14:30:23.212 INFO [stderr] 
Dec 19 14:30:23.212 INFO [stderr] warning: function is never used: `print_stack`
Dec 19 14:30:23.212 INFO [stderr]    --> src/main.rs:145:1
Dec 19 14:30:23.212 INFO [stderr]     |
Dec 19 14:30:23.212 INFO [stderr] 145 | fn print_stack(stack: &[&Section]) {
Dec 19 14:30:23.212 INFO [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 14:30:23.212 INFO [stderr] 
Dec 19 14:30:23.216 INFO [stderr] warning: comparison is useless due to type limits
Dec 19 14:30:23.216 INFO [stderr]    --> src/main.rs:196:21
Dec 19 14:30:23.216 INFO [stderr]     |
Dec 19 14:30:23.216 INFO [stderr] 196 |             assert!(day >= 0 && day < 7);
Dec 19 14:30:23.216 INFO [stderr]     |                     ^^^^^^^^
Dec 19 14:30:23.216 INFO [stderr]     |
Dec 19 14:30:23.216 INFO [stderr]     = note: #[warn(unused_comparisons)] on by default
Dec 19 14:30:23.216 INFO [stderr] 
Dec 19 14:30:23.216 INFO [stderr] warning: variable `SHOULD_PRUNE` should have a snake case name such as `should_prune`
Dec 19 14:30:23.216 INFO [stderr]    --> src/main.rs:673:9
Dec 19 14:30:23.216 INFO [stderr]     |
Dec 19 14:30:23.216 INFO [stderr] 673 |     let SHOULD_PRUNE = true;
Dec 19 14:30:23.216 INFO [stderr]     |         ^^^^^^^^^^^^
Dec 19 14:30:23.216 INFO [stderr]     |
Dec 19 14:30:23.216 INFO [stderr]     = note: #[warn(non_snake_case)] on by default
Dec 19 14:30:23.216 INFO [stderr] 
Dec 19 14:30:23.216 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 14:30:23.216 INFO [stderr]    --> src/main.rs:688:5
Dec 19 14:30:23.216 INFO [stderr]     |
Dec 19 14:30:23.216 INFO [stderr] 688 |     file.write_all(full_data.as_bytes());
Dec 19 14:30:23.216 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 14:30:23.216 INFO [stderr]     |
Dec 19 14:30:23.216 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Dec 19 14:30:23.216 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 14:30:23.216 INFO [stderr] 
Dec 19 14:30:23.269 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 14.46s
Dec 19 14:30:24.488 INFO running `"docker" "inspect" "3a741526d5c49a0ba07c3a0a466e56465a5a2366288fe29aca40df16741d8e93"`
Dec 19 14:30:24.886 INFO running `"docker" "rm" "-f" "3a741526d5c49a0ba07c3a0a466e56465a5a2366288fe29aca40df16741d8e93"`
Dec 19 14:30:25.284 INFO [stdout] 3a741526d5c49a0ba07c3a0a466e56465a5a2366288fe29aca40df16741d8e93