[INFO] updating cached repository jupp0r/preschool-planner
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/jupp0r/preschool-planner
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/jupp0r/preschool-planner" "work/ex/pr-58948/sources/master#0f88167f89fffe321590c5148f21b7d51d44388d/gh/jupp0r/preschool-planner"`
[INFO] [stderr] Cloning into 'work/ex/pr-58948/sources/master#0f88167f89fffe321590c5148f21b7d51d44388d/gh/jupp0r/preschool-planner'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/jupp0r/preschool-planner" "work/ex/pr-58948/sources/try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b/gh/jupp0r/preschool-planner"`
[INFO] [stderr] Cloning into 'work/ex/pr-58948/sources/try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b/gh/jupp0r/preschool-planner'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] ceb1d1f67cd00de1c1b1bc39a3805f7e95e6a4bc
[INFO] sha for GitHub repo jupp0r/preschool-planner: ceb1d1f67cd00de1c1b1bc39a3805f7e95e6a4bc
[INFO] validating manifest of jupp0r/preschool-planner on toolchain master#0f88167f89fffe321590c5148f21b7d51d44388d
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+0f88167f89fffe321590c5148f21b7d51d44388d-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of jupp0r/preschool-planner on toolchain try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing jupp0r/preschool-planner
[INFO] finished frobbing jupp0r/preschool-planner
[INFO] frobbed toml for jupp0r/preschool-planner written to work/ex/pr-58948/sources/master#0f88167f89fffe321590c5148f21b7d51d44388d/gh/jupp0r/preschool-planner/Cargo.toml
[INFO] started frobbing jupp0r/preschool-planner
[INFO] finished frobbing jupp0r/preschool-planner
[INFO] frobbed toml for jupp0r/preschool-planner written to work/ex/pr-58948/sources/try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b/gh/jupp0r/preschool-planner/Cargo.toml
[INFO] crate jupp0r/preschool-planner already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+0f88167f89fffe321590c5148f21b7d51d44388d-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking jupp0r/preschool-planner against try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b for pr-58948
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-58948/worker-4/try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-58948/sources/try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b/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" "+a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 33111d44e0c25b073ec667b62528ff1239bf382f13e60d3a20855047aa70be29
[INFO] running `"docker" "start" "-a" "33111d44e0c25b073ec667b62528ff1239bf382f13e60d3a20855047aa70be29"`
[INFO] [stderr]    Compiling proc-macro2 v0.4.11
[INFO] [stderr]     Checking memchr v2.0.1
[INFO] [stderr]     Checking csv-core v0.1.4
[INFO] [stderr]     Checking csv v1.0.0
[INFO] [stderr]    Compiling quote v0.6.6
[INFO] [stderr]    Compiling syn v0.14.8
[INFO] [stderr]    Compiling synstructure v0.9.0
[INFO] [stderr]    Compiling serde_derive v1.0.71
[INFO] [stderr]    Compiling failure_derive v0.1.2
[INFO] [stderr]     Checking failure v0.1.2
[INFO] [stderr]     Checking preschool-planner v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused `#[macro_use]` import
[INFO] [stderr]  --> src/main.rs:3:1
[INFO] [stderr]   |
[INFO] [stderr] 3 | #[macro_use] extern crate failure;
[INFO] [stderr]   | ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused `#[macro_use]` import
[INFO] [stderr]  --> src/main.rs:3:1
[INFO] [stderr]   |
[INFO] [stderr] 3 | #[macro_use] extern crate failure;
[INFO] [stderr]   | ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `input`
[INFO] [stderr]  --> src/fitness.rs:8:24
[INFO] [stderr]   |
[INFO] [stderr] 8 | pub fn compute_fitness(input: &Input, schedule: &Schedule) -> f64 {
[INFO] [stderr]   |                        ^^^^^ help: consider prefixing with an underscore: `_input`
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `input`
[INFO] [stderr]  --> src/fitness.rs:8:24
[INFO] [stderr]   |
[INFO] [stderr] 8 | pub fn compute_fitness(input: &Input, schedule: &Schedule) -> f64 {
[INFO] [stderr]   |                        ^^^^^ help: consider prefixing with an underscore: `_input`
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `ANTIPREFERENCE_COST`
[INFO] [stderr]  --> src/fitness.rs:4:1
[INFO] [stderr]   |
[INFO] [stderr] 4 | const ANTIPREFERENCE_COST: f64 = 1000f64;
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `NOT_FIRST_PREFERENCE_COST`
[INFO] [stderr]  --> src/fitness.rs:5:1
[INFO] [stderr]   |
[INFO] [stderr] 5 | const NOT_FIRST_PREFERENCE_COST: f64 = 10f64;
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `NOT_SECOND_PREFERENCE_COST`
[INFO] [stderr]  --> src/fitness.rs:6:1
[INFO] [stderr]   |
[INFO] [stderr] 6 | const NOT_SECOND_PREFERENCE_COST: f64 = 5f64;
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `compute_fitness`
[INFO] [stderr]  --> src/fitness.rs:8:1
[INFO] [stderr]   |
[INFO] [stderr] 8 | pub fn compute_fitness(input: &Input, schedule: &Schedule) -> f64 {
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `load_from_file`
[INFO] [stderr]   --> src/input.rs:77:1
[INFO] [stderr]    |
[INFO] [stderr] 77 | pub fn load_from_file(path: &str) -> Result<Vec<Record>, Error> {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Schedule`
[INFO] [stderr]    --> src/model.rs:118:1
[INFO] [stderr]     |
[INFO] [stderr] 118 | pub struct Schedule {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `DaySchedule`
[INFO] [stderr]    --> src/model.rs:126:1
[INFO] [stderr]     |
[INFO] [stderr] 126 | pub struct DaySchedule {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `ANTIPREFERENCE_COST`
[INFO] [stderr]  --> src/fitness.rs:4:1
[INFO] [stderr]   |
[INFO] [stderr] 4 | const ANTIPREFERENCE_COST: f64 = 1000f64;
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `NOT_FIRST_PREFERENCE_COST`
[INFO] [stderr]  --> src/fitness.rs:5:1
[INFO] [stderr]   |
[INFO] [stderr] 5 | const NOT_FIRST_PREFERENCE_COST: f64 = 10f64;
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `NOT_SECOND_PREFERENCE_COST`
[INFO] [stderr]  --> src/fitness.rs:6:1
[INFO] [stderr]   |
[INFO] [stderr] 6 | const NOT_SECOND_PREFERENCE_COST: f64 = 5f64;
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `compute_fitness`
[INFO] [stderr]  --> src/fitness.rs:8:1
[INFO] [stderr]   |
[INFO] [stderr] 8 | pub fn compute_fitness(input: &Input, schedule: &Schedule) -> f64 {
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Schedule`
[INFO] [stderr]    --> src/model.rs:118:1
[INFO] [stderr]     |
[INFO] [stderr] 118 | pub struct Schedule {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `DaySchedule`
[INFO] [stderr]    --> src/model.rs:126:1
[INFO] [stderr]     |
[INFO] [stderr] 126 | pub struct DaySchedule {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 39.72s
[INFO] running `"docker" "inspect" "33111d44e0c25b073ec667b62528ff1239bf382f13e60d3a20855047aa70be29"`
[INFO] running `"docker" "rm" "-f" "33111d44e0c25b073ec667b62528ff1239bf382f13e60d3a20855047aa70be29"`
[INFO] [stdout] 33111d44e0c25b073ec667b62528ff1239bf382f13e60d3a20855047aa70be29