[INFO] cloning repository https://github.com/jupp0r/preschool-planner
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jupp0r/preschool-planner" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjupp0r%2Fpreschool-planner", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjupp0r%2Fpreschool-planner'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ceb1d1f67cd00de1c1b1bc39a3805f7e95e6a4bc
[INFO] checking jupp0r/preschool-planner against master#22572d0994593197593e2a1b7b18d720a9a349a7 for pr-126452-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjupp0r%2Fpreschool-planner" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jupp0r/preschool-planner on toolchain 22572d0994593197593e2a1b7b18d720a9a349a7
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/jupp0r/preschool-planner
[INFO] finished tweaking git repo https://github.com/jupp0r/preschool-planner
[INFO] tweaked toml for git repo https://github.com/jupp0r/preschool-planner written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/jupp0r/preschool-planner already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded proc-macro2 v0.4.11
[INFO] [stderr]   Downloaded cfg-if v0.1.4
[INFO] [stderr]   Downloaded quote v0.6.6
[INFO] [stderr]   Downloaded cc v1.0.18
[INFO] [stderr]   Downloaded serde v1.0.71
[INFO] [stderr]   Downloaded serde_derive v1.0.71
[INFO] [stderr]   Downloaded syn v0.14.8
[INFO] [stderr]   Downloaded backtrace-sys v0.1.23
[INFO] [stderr]   Downloaded csv v1.0.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c7c2d89a8054611fec50fa77b960b4c625f1480c0ad16c3d32d65da8776e39a3
[INFO] running `Command { std: "docker" "start" "-a" "c7c2d89a8054611fec50fa77b960b4c625f1480c0ad16c3d32d65da8776e39a3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c7c2d89a8054611fec50fa77b960b4c625f1480c0ad16c3d32d65da8776e39a3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c7c2d89a8054611fec50fa77b960b4c625f1480c0ad16c3d32d65da8776e39a3", kill_on_drop: false }`
[INFO] [stdout] c7c2d89a8054611fec50fa77b960b4c625f1480c0ad16c3d32d65da8776e39a3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1297df87664a4e67395c5731616b75be6e7a2db8e08b35902b1ad622d2254ebf
[INFO] running `Command { std: "docker" "start" "-a" "1297df87664a4e67395c5731616b75be6e7a2db8e08b35902b1ad622d2254ebf", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021
[INFO] [stderr]    Compiling proc-macro2 v0.4.11
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]     Checking libc v0.2.43
[INFO] [stderr]    Compiling cc v1.0.18
[INFO] [stderr]    Compiling serde v1.0.71
[INFO] [stderr]    Compiling failure_derive v0.1.2
[INFO] [stderr]     Checking rustc-demangle v0.1.9
[INFO] [stderr]     Checking cfg-if v0.1.4
[INFO] [stderr]     Checking memchr v2.0.1
[INFO] [stderr]     Checking csv-core v0.1.4
[INFO] [stderr]    Compiling quote v0.6.6
[INFO] [stderr]    Compiling syn v0.14.8
[INFO] [stderr]    Compiling backtrace-sys v0.1.23
[INFO] [stderr]     Checking backtrace v0.3.9
[INFO] [stderr]    Compiling synstructure v0.9.0
[INFO] [stderr]    Compiling serde_derive v1.0.71
[INFO] [stderr]     Checking csv v1.0.0
[INFO] [stderr]     Checking failure v0.1.2
[INFO] [stderr]     Checking preschool-planner v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused `#[macro_use]` import
[INFO] [stdout]  --> src/main.rs:3:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | #[macro_use] extern crate failure;
[INFO] [stdout]   | ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `#[macro_use]` import
[INFO] [stdout]  --> src/main.rs:3:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | #[macro_use] extern crate failure;
[INFO] [stdout]   | ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `input`
[INFO] [stdout]  --> src/fitness.rs:8:24
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub fn compute_fitness(input: &Input, schedule: &Schedule) -> f64 {
[INFO] [stdout]   |                        ^^^^^ help: if this is intentional, prefix it with an underscore: `_input`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `input`
[INFO] [stdout]  --> src/fitness.rs:8:24
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub fn compute_fitness(input: &Input, schedule: &Schedule) -> f64 {
[INFO] [stdout]   |                        ^^^^^ help: if this is intentional, prefix it with an underscore: `_input`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `ANTIPREFERENCE_COST` is never used
[INFO] [stdout]  --> src/fitness.rs:4:7
[INFO] [stdout]   |
[INFO] [stdout] 4 | const ANTIPREFERENCE_COST: f64 = 1000f64;
[INFO] [stdout]   |       ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `NOT_FIRST_PREFERENCE_COST` is never used
[INFO] [stdout]  --> src/fitness.rs:5:7
[INFO] [stdout]   |
[INFO] [stdout] 5 | const NOT_FIRST_PREFERENCE_COST: f64 = 10f64;
[INFO] [stdout]   |       ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `NOT_SECOND_PREFERENCE_COST` is never used
[INFO] [stdout]  --> src/fitness.rs:6:7
[INFO] [stdout]   |
[INFO] [stdout] 6 | const NOT_SECOND_PREFERENCE_COST: f64 = 5f64;
[INFO] [stdout]   |       ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `compute_fitness` is never used
[INFO] [stdout]  --> src/fitness.rs:8:8
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub fn compute_fitness(input: &Input, schedule: &Schedule) -> f64 {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Schedule` is never constructed
[INFO] [stdout]    --> src/model.rs:118:12
[INFO] [stdout]     |
[INFO] [stdout] 118 | pub struct Schedule {
[INFO] [stdout]     |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `DaySchedule` is never constructed
[INFO] [stdout]    --> src/model.rs:126:12
[INFO] [stdout]     |
[INFO] [stdout] 126 | pub struct DaySchedule {
[INFO] [stdout]     |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `ANTIPREFERENCE_COST` is never used
[INFO] [stdout]  --> src/fitness.rs:4:7
[INFO] [stdout]   |
[INFO] [stdout] 4 | const ANTIPREFERENCE_COST: f64 = 1000f64;
[INFO] [stdout]   |       ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `NOT_FIRST_PREFERENCE_COST` is never used
[INFO] [stdout]  --> src/fitness.rs:5:7
[INFO] [stdout]   |
[INFO] [stdout] 5 | const NOT_FIRST_PREFERENCE_COST: f64 = 10f64;
[INFO] [stdout]   |       ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `NOT_SECOND_PREFERENCE_COST` is never used
[INFO] [stdout]  --> src/fitness.rs:6:7
[INFO] [stdout]   |
[INFO] [stdout] 6 | const NOT_SECOND_PREFERENCE_COST: f64 = 5f64;
[INFO] [stdout]   |       ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `compute_fitness` is never used
[INFO] [stdout]  --> src/fitness.rs:8:8
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub fn compute_fitness(input: &Input, schedule: &Schedule) -> f64 {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `load_from_file` is never used
[INFO] [stdout]   --> src/input.rs:77:8
[INFO] [stdout]    |
[INFO] [stdout] 77 | pub fn load_from_file(path: &str) -> Result<Vec<Record>, Error> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Schedule` is never constructed
[INFO] [stdout]    --> src/model.rs:118:12
[INFO] [stdout]     |
[INFO] [stdout] 118 | pub struct Schedule {
[INFO] [stdout]     |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `DaySchedule` is never constructed
[INFO] [stdout]    --> src/model.rs:126:12
[INFO] [stdout]     |
[INFO] [stdout] 126 | pub struct DaySchedule {
[INFO] [stdout]     |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 9 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 8.73s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: syn v0.14.8
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] running `Command { std: "docker" "inspect" "1297df87664a4e67395c5731616b75be6e7a2db8e08b35902b1ad622d2254ebf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1297df87664a4e67395c5731616b75be6e7a2db8e08b35902b1ad622d2254ebf", kill_on_drop: false }`
[INFO] [stdout] 1297df87664a4e67395c5731616b75be6e7a2db8e08b35902b1ad622d2254ebf
[INFO] checking jupp0r/preschool-planner against try#6289438dbad80b1a0029c66dd3f6abf57c2c51be for pr-126452-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjupp0r%2Fpreschool-planner" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jupp0r/preschool-planner on toolchain 6289438dbad80b1a0029c66dd3f6abf57c2c51be
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/jupp0r/preschool-planner
[INFO] finished tweaking git repo https://github.com/jupp0r/preschool-planner
[INFO] tweaked toml for git repo https://github.com/jupp0r/preschool-planner written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/jupp0r/preschool-planner already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2387a657008dfd33f5bf82e647201c0e5b34a3519d5d8092072c90ff10bf2bc9
[INFO] running `Command { std: "docker" "start" "-a" "2387a657008dfd33f5bf82e647201c0e5b34a3519d5d8092072c90ff10bf2bc9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2387a657008dfd33f5bf82e647201c0e5b34a3519d5d8092072c90ff10bf2bc9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2387a657008dfd33f5bf82e647201c0e5b34a3519d5d8092072c90ff10bf2bc9", kill_on_drop: false }`
[INFO] [stdout] 2387a657008dfd33f5bf82e647201c0e5b34a3519d5d8092072c90ff10bf2bc9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6efdfebc45358a801b221ee115c115b6eb7e6391966a4a82cdfdb90f3ef42ad1
[INFO] running `Command { std: "docker" "start" "-a" "6efdfebc45358a801b221ee115c115b6eb7e6391966a4a82cdfdb90f3ef42ad1", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021
[INFO] [stderr]    Compiling proc-macro2 v0.4.11
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]     Checking libc v0.2.43
[INFO] [stderr]    Compiling cc v1.0.18
[INFO] [stderr]    Compiling serde v1.0.71
[INFO] [stderr]    Compiling failure_derive v0.1.2
[INFO] [stderr]     Checking cfg-if v0.1.4
[INFO] [stderr]     Checking rustc-demangle v0.1.9
[INFO] [stderr]     Checking memchr v2.0.1
[INFO] [stderr]     Checking csv-core v0.1.4
[INFO] [stderr]    Compiling quote v0.6.6
[INFO] [stderr]    Compiling backtrace-sys v0.1.23
[INFO] [stderr]    Compiling syn v0.14.8
[INFO] [stderr]     Checking backtrace v0.3.9
[INFO] [stderr]    Compiling synstructure v0.9.0
[INFO] [stderr]    Compiling serde_derive v1.0.71
[INFO] [stderr]     Checking csv v1.0.0
[INFO] [stderr]     Checking failure v0.1.2
[INFO] [stderr]     Checking preschool-planner v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused `#[macro_use]` import
[INFO] [stdout]  --> src/main.rs:3:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | #[macro_use] extern crate failure;
[INFO] [stdout]   | ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `#[macro_use]` import
[INFO] [stdout]  --> src/main.rs:3:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | #[macro_use] extern crate failure;
[INFO] [stdout]   | ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `input`
[INFO] [stdout]  --> src/fitness.rs:8:24
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub fn compute_fitness(input: &Input, schedule: &Schedule) -> f64 {
[INFO] [stdout]   |                        ^^^^^ help: if this is intentional, prefix it with an underscore: `_input`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `input`
[INFO] [stdout]  --> src/fitness.rs:8:24
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub fn compute_fitness(input: &Input, schedule: &Schedule) -> f64 {
[INFO] [stdout]   |                        ^^^^^ help: if this is intentional, prefix it with an underscore: `_input`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `ANTIPREFERENCE_COST` is never used
[INFO] [stdout]  --> src/fitness.rs:4:7
[INFO] [stdout]   |
[INFO] [stdout] 4 | const ANTIPREFERENCE_COST: f64 = 1000f64;
[INFO] [stdout]   |       ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `NOT_FIRST_PREFERENCE_COST` is never used
[INFO] [stdout]  --> src/fitness.rs:5:7
[INFO] [stdout]   |
[INFO] [stdout] 5 | const NOT_FIRST_PREFERENCE_COST: f64 = 10f64;
[INFO] [stdout]   |       ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `NOT_SECOND_PREFERENCE_COST` is never used
[INFO] [stdout]  --> src/fitness.rs:6:7
[INFO] [stdout]   |
[INFO] [stdout] 6 | const NOT_SECOND_PREFERENCE_COST: f64 = 5f64;
[INFO] [stdout]   |       ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `compute_fitness` is never used
[INFO] [stdout]  --> src/fitness.rs:8:8
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub fn compute_fitness(input: &Input, schedule: &Schedule) -> f64 {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `load_from_file` is never used
[INFO] [stdout]   --> src/input.rs:77:8
[INFO] [stdout]    |
[INFO] [stdout] 77 | pub fn load_from_file(path: &str) -> Result<Vec<Record>, Error> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Schedule` is never constructed
[INFO] [stdout]    --> src/model.rs:118:12
[INFO] [stdout]     |
[INFO] [stdout] 118 | pub struct Schedule {
[INFO] [stdout]     |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `DaySchedule` is never constructed
[INFO] [stdout]    --> src/model.rs:126:12
[INFO] [stdout]     |
[INFO] [stdout] 126 | pub struct DaySchedule {
[INFO] [stdout]     |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 9 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `ANTIPREFERENCE_COST` is never used
[INFO] [stdout]  --> src/fitness.rs:4:7
[INFO] [stdout]   |
[INFO] [stdout] 4 | const ANTIPREFERENCE_COST: f64 = 1000f64;
[INFO] [stdout]   |       ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `NOT_FIRST_PREFERENCE_COST` is never used
[INFO] [stdout]  --> src/fitness.rs:5:7
[INFO] [stdout]   |
[INFO] [stdout] 5 | const NOT_FIRST_PREFERENCE_COST: f64 = 10f64;
[INFO] [stdout]   |       ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `NOT_SECOND_PREFERENCE_COST` is never used
[INFO] [stdout]  --> src/fitness.rs:6:7
[INFO] [stdout]   |
[INFO] [stdout] 6 | const NOT_SECOND_PREFERENCE_COST: f64 = 5f64;
[INFO] [stdout]   |       ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `compute_fitness` is never used
[INFO] [stdout]  --> src/fitness.rs:8:8
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub fn compute_fitness(input: &Input, schedule: &Schedule) -> f64 {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Schedule` is never constructed
[INFO] [stdout]    --> src/model.rs:118:12
[INFO] [stdout]     |
[INFO] [stdout] 118 | pub struct Schedule {
[INFO] [stdout]     |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `DaySchedule` is never constructed
[INFO] [stdout]    --> src/model.rs:126:12
[INFO] [stdout]     |
[INFO] [stdout] 126 | pub struct DaySchedule {
[INFO] [stdout]     |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 8.88s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: syn v0.14.8
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] running `Command { std: "docker" "inspect" "6efdfebc45358a801b221ee115c115b6eb7e6391966a4a82cdfdb90f3ef42ad1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6efdfebc45358a801b221ee115c115b6eb7e6391966a4a82cdfdb90f3ef42ad1", kill_on_drop: false }`
[INFO] [stdout] 6efdfebc45358a801b221ee115c115b6eb7e6391966a4a82cdfdb90f3ef42ad1