[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-60039-1/sources/master#e305df1846a6d985315917ae0c81b74af8b4e641/gh/jupp0r/preschool-planner"`
[INFO] [stderr] Cloning into 'work/ex/pr-60039-1/sources/master#e305df1846a6d985315917ae0c81b74af8b4e641/gh/jupp0r/preschool-planner'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/jupp0r/preschool-planner" "work/ex/pr-60039-1/sources/try#99a7498759a22b5684caf798a98b7e90ad9d2443/gh/jupp0r/preschool-planner"`
[INFO] [stderr] Cloning into 'work/ex/pr-60039-1/sources/try#99a7498759a22b5684caf798a98b7e90ad9d2443/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#e305df1846a6d985315917ae0c81b74af8b4e641
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e305df1846a6d985315917ae0c81b74af8b4e641-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of jupp0r/preschool-planner on toolchain try#99a7498759a22b5684caf798a98b7e90ad9d2443
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+99a7498759a22b5684caf798a98b7e90ad9d2443-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-60039-1/sources/master#e305df1846a6d985315917ae0c81b74af8b4e641/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-60039-1/sources/try#99a7498759a22b5684caf798a98b7e90ad9d2443/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" "+e305df1846a6d985315917ae0c81b74af8b4e641-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on the registry index
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+99a7498759a22b5684caf798a98b7e90ad9d2443-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking jupp0r/preschool-planner against master#e305df1846a6d985315917ae0c81b74af8b4e641 for pr-60039-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-60039-1/worker-0/master#e305df1846a6d985315917ae0c81b74af8b4e641:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-60039-1/sources/master#e305df1846a6d985315917ae0c81b74af8b4e641/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" "+e305df1846a6d985315917ae0c81b74af8b4e641-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 2e4bdb6278a14bf6c45482b3e2c8d937787f38746040ddc26d54a3adf3847047
[INFO] running `"docker" "start" "-a" "2e4bdb6278a14bf6c45482b3e2c8d937787f38746040ddc26d54a3adf3847047"`
[INFO] [stderr]    Compiling proc-macro2 v0.4.11
[INFO] [stderr]     Checking memchr v2.0.1
[INFO] [stderr]     Checking backtrace v0.3.9
[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: the item `csv` is imported redundantly
[INFO] [stderr]   --> src/input.rs:78:9
[INFO] [stderr]    |
[INFO] [stderr] 78 |     use csv;
[INFO] [stderr]    |         ^^^
[INFO] [stderr]    | 
[INFO] [stderr]   ::: src/main.rs:1:1
[INFO] [stderr]    |
[INFO] [stderr] 1  | extern crate csv;
[INFO] [stderr]    | ----------------- the item `csv` is already imported here
[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: the item `csv` is imported redundantly
[INFO] [stderr]   --> src/input.rs:78:9
[INFO] [stderr]    |
[INFO] [stderr] 78 |     use csv;
[INFO] [stderr]    |         ^^^
[INFO] [stderr]    | 
[INFO] [stderr]   ::: src/main.rs:1:1
[INFO] [stderr]    |
[INFO] [stderr] 1  | extern crate csv;
[INFO] [stderr]    | ----------------- the item `csv` is already imported here
[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: 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: 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]     Finished dev [unoptimized + debuginfo] target(s) in 37.80s
[INFO] running `"docker" "inspect" "2e4bdb6278a14bf6c45482b3e2c8d937787f38746040ddc26d54a3adf3847047"`
[INFO] running `"docker" "rm" "-f" "2e4bdb6278a14bf6c45482b3e2c8d937787f38746040ddc26d54a3adf3847047"`
[INFO] [stdout] 2e4bdb6278a14bf6c45482b3e2c8d937787f38746040ddc26d54a3adf3847047