Dec 19 14:46:53.467 INFO checking jupp0r/preschool-planner against try#e70472fc501b855c9080f3772432c10fe20b8866 for pr-56955
Dec 19 14:46:53.467 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/jupp0r/preschool-planner:/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 14:46:53.912 INFO [stdout] e97b2270dc7a1cbac9c10d398424fc3989592d36e5622ee4cf15c665cd9f5bbf
Dec 19 14:46:53.918 INFO running `"docker" "start" "-a" "e97b2270dc7a1cbac9c10d398424fc3989592d36e5622ee4cf15c665cd9f5bbf"`
Dec 19 14:46:55.924 INFO [stderr]     Checking memchr v2.0.1
Dec 19 14:46:55.924 INFO [stderr]     Checking backtrace-sys v0.1.23
Dec 19 14:46:55.928 INFO [stderr]    Compiling syn v0.14.8
Dec 19 14:46:56.312 INFO [stderr]     Checking backtrace v0.3.9
Dec 19 14:46:56.560 INFO [stderr]     Checking csv-core v0.1.4
Dec 19 14:46:57.749 INFO [stderr]     Checking csv v1.0.0
Dec 19 14:47:08.864 INFO [stderr]    Compiling synstructure v0.9.0
Dec 19 14:47:08.870 INFO [stderr]    Compiling serde_derive v1.0.71
Dec 19 14:47:13.652 INFO [stderr]    Compiling failure_derive v0.1.2
Dec 19 14:47:17.064 INFO [stderr]     Checking failure v0.1.2
Dec 19 14:47:27.868 INFO [stderr]     Checking preschool-planner v0.1.0 (/opt/crater/workdir)
Dec 19 14:47:28.828 INFO [stderr] warning: unused `#[macro_use]` import
Dec 19 14:47:28.828 INFO [stderr]  --> src/main.rs:3:1
Dec 19 14:47:28.828 INFO [stderr]   |
Dec 19 14:47:28.828 INFO [stderr] 3 | #[macro_use] extern crate failure;
Dec 19 14:47:28.828 INFO [stderr]   | ^^^^^^^^^^^^
Dec 19 14:47:28.828 INFO [stderr]   |
Dec 19 14:47:28.828 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 19 14:47:28.828 INFO [stderr] 
Dec 19 14:47:29.140 INFO [stderr] warning: unused `#[macro_use]` import
Dec 19 14:47:29.140 INFO [stderr]  --> src/main.rs:3:1
Dec 19 14:47:29.140 INFO [stderr]   |
Dec 19 14:47:29.140 INFO [stderr] 3 | #[macro_use] extern crate failure;
Dec 19 14:47:29.140 INFO [stderr]   | ^^^^^^^^^^^^
Dec 19 14:47:29.140 INFO [stderr]   |
Dec 19 14:47:29.140 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 19 14:47:29.140 INFO [stderr] 
Dec 19 14:47:29.852 INFO [stderr] warning: unused variable: `input`
Dec 19 14:47:29.852 INFO [stderr]  --> src/fitness.rs:8:24
Dec 19 14:47:29.852 INFO [stderr]   |
Dec 19 14:47:29.852 INFO [stderr] 8 | pub fn compute_fitness(input: &Input, schedule: &Schedule) -> f64 {
Dec 19 14:47:29.852 INFO [stderr]   |                        ^^^^^ help: consider using `_input` instead
Dec 19 14:47:29.852 INFO [stderr]   |
Dec 19 14:47:29.852 INFO [stderr]   = note: #[warn(unused_variables)] on by default
Dec 19 14:47:29.852 INFO [stderr] 
Dec 19 14:47:30.020 INFO [stderr] warning: unused variable: `input`
Dec 19 14:47:30.020 INFO [stderr]  --> src/fitness.rs:8:24
Dec 19 14:47:30.020 INFO [stderr]   |
Dec 19 14:47:30.020 INFO [stderr] 8 | pub fn compute_fitness(input: &Input, schedule: &Schedule) -> f64 {
Dec 19 14:47:30.020 INFO [stderr]   |                        ^^^^^ help: consider using `_input` instead
Dec 19 14:47:30.020 INFO [stderr]   |
Dec 19 14:47:30.020 INFO [stderr]   = note: #[warn(unused_variables)] on by default
Dec 19 14:47:30.020 INFO [stderr] 
Dec 19 14:47:30.236 INFO [stderr] warning: constant item is never used: `ANTIPREFERENCE_COST`
Dec 19 14:47:30.237 INFO [stderr]  --> src/fitness.rs:4:1
Dec 19 14:47:30.237 INFO [stderr]   |
Dec 19 14:47:30.237 INFO [stderr] 4 | const ANTIPREFERENCE_COST: f64 = 1000f64;
Dec 19 14:47:30.237 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 14:47:30.237 INFO [stderr]   |
Dec 19 14:47:30.237 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 19 14:47:30.237 INFO [stderr] 
Dec 19 14:47:30.237 INFO [stderr] warning: constant item is never used: `NOT_FIRST_PREFERENCE_COST`
Dec 19 14:47:30.237 INFO [stderr]  --> src/fitness.rs:5:1
Dec 19 14:47:30.237 INFO [stderr]   |
Dec 19 14:47:30.237 INFO [stderr] 5 | const NOT_FIRST_PREFERENCE_COST: f64 = 10f64;
Dec 19 14:47:30.237 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 14:47:30.237 INFO [stderr] 
Dec 19 14:47:30.237 INFO [stderr] warning: constant item is never used: `NOT_SECOND_PREFERENCE_COST`
Dec 19 14:47:30.237 INFO [stderr]  --> src/fitness.rs:6:1
Dec 19 14:47:30.237 INFO [stderr]   |
Dec 19 14:47:30.237 INFO [stderr] 6 | const NOT_SECOND_PREFERENCE_COST: f64 = 5f64;
Dec 19 14:47:30.237 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 14:47:30.237 INFO [stderr] 
Dec 19 14:47:30.237 INFO [stderr] warning: function is never used: `compute_fitness`
Dec 19 14:47:30.237 INFO [stderr]  --> src/fitness.rs:8:1
Dec 19 14:47:30.237 INFO [stderr]   |
Dec 19 14:47:30.237 INFO [stderr] 8 | pub fn compute_fitness(input: &Input, schedule: &Schedule) -> f64 {
Dec 19 14:47:30.237 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 14:47:30.237 INFO [stderr] 
Dec 19 14:47:30.237 INFO [stderr] warning: struct is never constructed: `Schedule`
Dec 19 14:47:30.237 INFO [stderr]    --> src/model.rs:118:1
Dec 19 14:47:30.237 INFO [stderr]     |
Dec 19 14:47:30.237 INFO [stderr] 118 | pub struct Schedule {
Dec 19 14:47:30.237 INFO [stderr]     | ^^^^^^^^^^^^^^^^^^^
Dec 19 14:47:30.237 INFO [stderr] 
Dec 19 14:47:30.237 INFO [stderr] warning: struct is never constructed: `DaySchedule`
Dec 19 14:47:30.237 INFO [stderr]    --> src/model.rs:126:1
Dec 19 14:47:30.237 INFO [stderr]     |
Dec 19 14:47:30.237 INFO [stderr] 126 | pub struct DaySchedule {
Dec 19 14:47:30.237 INFO [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^
Dec 19 14:47:30.237 INFO [stderr] 
Dec 19 14:47:30.444 INFO [stderr] warning: constant item is never used: `ANTIPREFERENCE_COST`
Dec 19 14:47:30.444 INFO [stderr]  --> src/fitness.rs:4:1
Dec 19 14:47:30.444 INFO [stderr]   |
Dec 19 14:47:30.444 INFO [stderr] 4 | const ANTIPREFERENCE_COST: f64 = 1000f64;
Dec 19 14:47:30.444 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 14:47:30.444 INFO [stderr]   |
Dec 19 14:47:30.444 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 19 14:47:30.444 INFO [stderr] 
Dec 19 14:47:30.444 INFO [stderr] warning: constant item is never used: `NOT_FIRST_PREFERENCE_COST`
Dec 19 14:47:30.444 INFO [stderr]  --> src/fitness.rs:5:1
Dec 19 14:47:30.444 INFO [stderr]   |
Dec 19 14:47:30.444 INFO [stderr] 5 | const NOT_FIRST_PREFERENCE_COST: f64 = 10f64;
Dec 19 14:47:30.444 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 14:47:30.444 INFO [stderr] 
Dec 19 14:47:30.444 INFO [stderr] warning: constant item is never used: `NOT_SECOND_PREFERENCE_COST`
Dec 19 14:47:30.444 INFO [stderr]  --> src/fitness.rs:6:1
Dec 19 14:47:30.444 INFO [stderr]   |
Dec 19 14:47:30.444 INFO [stderr] 6 | const NOT_SECOND_PREFERENCE_COST: f64 = 5f64;
Dec 19 14:47:30.444 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 14:47:30.444 INFO [stderr] 
Dec 19 14:47:30.444 INFO [stderr] warning: function is never used: `compute_fitness`
Dec 19 14:47:30.444 INFO [stderr]  --> src/fitness.rs:8:1
Dec 19 14:47:30.444 INFO [stderr]   |
Dec 19 14:47:30.444 INFO [stderr] 8 | pub fn compute_fitness(input: &Input, schedule: &Schedule) -> f64 {
Dec 19 14:47:30.444 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 14:47:30.444 INFO [stderr] 
Dec 19 14:47:30.444 INFO [stderr] warning: function is never used: `load_from_file`
Dec 19 14:47:30.444 INFO [stderr]   --> src/input.rs:77:1
Dec 19 14:47:30.444 INFO [stderr]    |
Dec 19 14:47:30.444 INFO [stderr] 77 | pub fn load_from_file(path: &str) -> Result<Vec<Record>, Error> {
Dec 19 14:47:30.444 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 14:47:30.444 INFO [stderr] 
Dec 19 14:47:30.444 INFO [stderr] warning: struct is never constructed: `Schedule`
Dec 19 14:47:30.444 INFO [stderr]    --> src/model.rs:118:1
Dec 19 14:47:30.444 INFO [stderr]     |
Dec 19 14:47:30.444 INFO [stderr] 118 | pub struct Schedule {
Dec 19 14:47:30.444 INFO [stderr]     | ^^^^^^^^^^^^^^^^^^^
Dec 19 14:47:30.444 INFO [stderr] 
Dec 19 14:47:30.444 INFO [stderr] warning: struct is never constructed: `DaySchedule`
Dec 19 14:47:30.444 INFO [stderr]    --> src/model.rs:126:1
Dec 19 14:47:30.444 INFO [stderr]     |
Dec 19 14:47:30.444 INFO [stderr] 126 | pub struct DaySchedule {
Dec 19 14:47:30.444 INFO [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^
Dec 19 14:47:30.444 INFO [stderr] 
Dec 19 14:47:30.483 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 34.67s
Dec 19 14:47:31.030 INFO running `"docker" "inspect" "e97b2270dc7a1cbac9c10d398424fc3989592d36e5622ee4cf15c665cd9f5bbf"`
Dec 19 14:47:31.494 INFO running `"docker" "rm" "-f" "e97b2270dc7a1cbac9c10d398424fc3989592d36e5622ee4cf15c665cd9f5bbf"`
Dec 19 14:47:31.828 INFO [stdout] e97b2270dc7a1cbac9c10d398424fc3989592d36e5622ee4cf15c665cd9f5bbf