[INFO] cloning repository https://github.com/ahmadyovan/optimization-schedule-app-new-update-ruangan
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ahmadyovan/optimization-schedule-app-new-update-ruangan" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fahmadyovan%2Foptimization-schedule-app-new-update-ruangan", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fahmadyovan%2Foptimization-schedule-app-new-update-ruangan'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e134df5ff3e022ca85858457a8c0e64ce909329d
[INFO] checking ahmadyovan/optimization-schedule-app-new-update-ruangan against try#93086cfebfccb79083c59d0d3b2052944bba643c for pr-146440-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fahmadyovan%2Foptimization-schedule-app-new-update-ruangan" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/ahmadyovan/optimization-schedule-app-new-update-ruangan
[INFO] finished tweaking git repo https://github.com/ahmadyovan/optimization-schedule-app-new-update-ruangan
[INFO] tweaked toml for git repo https://github.com/ahmadyovan/optimization-schedule-app-new-update-ruangan written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/ahmadyovan/optimization-schedule-app-new-update-ruangan on toolchain 93086cfebfccb79083c59d0d3b2052944bba643c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+93086cfebfccb79083c59d0d3b2052944bba643c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/ahmadyovan/optimization-schedule-app-new-update-ruangan 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" "+93086cfebfccb79083c59d0d3b2052944bba643c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+93086cfebfccb79083c59d0d3b2052944bba643c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 13d7af9132999a672f6e278e1ddb4695f4734082ca454fb40323485c2f37f008
[INFO] running `Command { std: "docker" "start" "-a" "13d7af9132999a672f6e278e1ddb4695f4734082ca454fb40323485c2f37f008", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "13d7af9132999a672f6e278e1ddb4695f4734082ca454fb40323485c2f37f008", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "13d7af9132999a672f6e278e1ddb4695f4734082ca454fb40323485c2f37f008", kill_on_drop: false }`
[INFO] [stdout] 13d7af9132999a672f6e278e1ddb4695f4734082ca454fb40323485c2f37f008
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+93086cfebfccb79083c59d0d3b2052944bba643c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b1fb654378fb256b5890f59d929b8e0d376a2d1273ace0569f8fdd886f1b02b4
[INFO] running `Command { std: "docker" "start" "-a" "b1fb654378fb256b5890f59d929b8e0d376a2d1273ace0569f8fdd886f1b02b4", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.95
[INFO] [stderr]     Checking cfg-if v1.0.1
[INFO] [stderr]    Compiling libc v0.2.174
[INFO] [stderr]     Checking memchr v2.7.5
[INFO] [stderr]     Checking log v0.4.27
[INFO] [stderr]    Compiling cc v1.2.29
[INFO] [stderr]     Checking http v1.3.1
[INFO] [stderr]     Checking slab v0.4.10
[INFO] [stderr]     Checking hashbrown v0.15.4
[INFO] [stderr]    Compiling rustversion v1.0.21
[INFO] [stderr]     Checking rustls-pki-types v1.12.0
[INFO] [stderr]    Compiling zerocopy v0.8.26
[INFO] [stderr]    Compiling serde_json v1.0.140
[INFO] [stderr]     Checking bitflags v2.9.1
[INFO] [stderr]    Compiling rustls v0.23.29
[INFO] [stderr]    Compiling semver v1.0.26
[INFO] [stderr]    Compiling getrandom v0.3.3
[INFO] [stderr]     Checking crypto-common v0.1.6
[INFO] [stderr]    Compiling thiserror v2.0.12
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling iana-time-zone v0.1.63
[INFO] [stderr]    Compiling anyhow v1.0.98
[INFO] [stderr]     Checking digest v0.10.7
[INFO] [stderr]     Checking iri-string v0.7.8
[INFO] [stderr]     Checking sha1 v0.10.6
[INFO] [stderr]     Checking webpki-roots v1.0.1
[INFO] [stderr]    Compiling openssl v0.10.73
[INFO] [stderr]     Checking http v0.2.12
[INFO] [stderr]    Compiling zeroize v1.8.1
[INFO] [stderr]     Checking webpki-roots v0.26.11
[INFO] [stderr]     Checking crc32fast v1.5.0
[INFO] [stderr]     Checking zlib-rs v0.5.1
[INFO] [stderr]     Checking aho-corasick v1.1.3
[INFO] [stderr]    Compiling mime_guess v2.0.5
[INFO] [stderr]     Checking indexmap v2.10.0
[INFO] [stderr]     Checking tracing-log v0.2.0
[INFO] [stderr]     Checking thread_local v1.1.9
[INFO] [stderr]    Compiling portable-atomic v1.11.1
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]     Checking simd-adler32 v0.3.7
[INFO] [stderr]     Checking http-body v1.0.1
[INFO] [stderr]     Checking headers-core v0.3.0
[INFO] [stderr]     Checking bumpalo v3.19.0
[INFO] [stderr]     Checking parking_lot_core v0.9.11
[INFO] [stderr]     Checking socket2 v0.5.10
[INFO] [stderr]    Compiling syn v2.0.104
[INFO] [stderr]     Checking mio v1.0.4
[INFO] [stderr]     Checking signal-hook-registry v1.4.5
[INFO] [stderr]     Checking getrandom v0.2.16
[INFO] [stderr]     Checking http-body-util v0.1.3
[INFO] [stderr]    Compiling proc-macro-error-attr2 v2.0.0
[INFO] [stderr]     Checking http-body v0.4.6
[INFO] [stderr]     Checking headers v0.4.1
[INFO] [stderr]     Checking rand_core v0.9.3
[INFO] [stderr]     Checking strfmt v0.2.4
[INFO] [stderr]     Checking parking_lot v0.12.4
[INFO] [stderr]     Checking regex-automata v0.4.9
[INFO] [stderr]     Checking zopfli v0.8.2
[INFO] [stderr]     Checking unicode-width v0.2.1
[INFO] [stderr]     Checking rayon-core v1.12.1
[INFO] [stderr]     Checking is-terminal v0.4.16
[INFO] [stderr]     Checking csv-core v0.1.12
[INFO] [stderr]     Checking encoding_rs v0.8.35
[INFO] [stderr]     Checking number_prefix v0.4.0
[INFO] [stderr]     Checking http-range-header v0.4.2
[INFO] [stderr]     Checking console v0.15.11
[INFO] [stderr]    Compiling ring v0.17.14
[INFO] [stderr]    Compiling openssl-sys v0.9.109
[INFO] [stderr]     Checking libz-rs-sys v0.5.1
[INFO] [stderr]     Checking rayon v1.10.0
[INFO] [stderr]     Checking flate2 v1.1.2
[INFO] [stderr]     Checking indicatif v0.17.11
[INFO] [stderr]    Compiling native-tls v0.2.14
[INFO] [stderr]     Checking zip v4.3.0
[INFO] [stderr]     Checking ppv-lite86 v0.2.21
[INFO] [stderr]     Checking ahash v0.8.12
[INFO] [stderr]     Checking hashbrown v0.13.2
[INFO] [stderr]     Checking rand_chacha v0.9.0
[INFO] [stderr]     Checking regex v1.11.1
[INFO] [stderr]     Checking rust_xlsxwriter v0.88.1
[INFO] [stderr]     Checking rand v0.9.1
[INFO] [stderr]     Checking env_logger v0.10.2
[INFO] [stderr]     Checking rustls-webpki v0.103.4
[INFO] [stderr]    Compiling synstructure v0.13.2
[INFO] [stderr]    Compiling darling_core v0.20.11
[INFO] [stderr]    Compiling proc-macro-error2 v2.0.1
[INFO] [stderr]    Compiling serde_derive v1.0.219
[INFO] [stderr]    Compiling tokio-macros v2.5.0
[INFO] [stderr]    Compiling tracing-attributes v0.1.30
[INFO] [stderr]    Compiling futures-macro v0.3.31
[INFO] [stderr]    Compiling zerovec-derive v0.11.1
[INFO] [stderr]    Compiling displaydoc v0.2.5
[INFO] [stderr]    Compiling typeshare-annotation v1.0.4
[INFO] [stderr]    Compiling strum_macros v0.27.1
[INFO] [stderr]    Compiling thiserror-impl v2.0.12
[INFO] [stderr]    Compiling thiserror-impl v1.0.69
[INFO] [stderr]    Compiling async-trait v0.1.88
[INFO] [stderr]    Compiling openssl-macros v0.1.1
[INFO] [stderr]    Compiling async-stream-impl v0.3.6
[INFO] [stderr]     Checking async-stream v0.3.6
[INFO] [stderr]    Compiling zerofrom-derive v0.1.6
[INFO] [stderr]    Compiling yoke-derive v0.8.0
[INFO] [stderr]     Checking tokio v1.46.1
[INFO] [stderr]     Checking thiserror v1.0.69
[INFO] [stderr]     Checking futures-util v0.3.31
[INFO] [stderr]     Checking zerofrom v0.1.6
[INFO] [stderr]     Checking tracing v0.1.41
[INFO] [stderr]     Checking yoke v0.8.0
[INFO] [stderr]     Checking axum-core v0.5.2
[INFO] [stderr]     Checking tower v0.4.13
[INFO] [stderr]     Checking zerovec v0.11.2
[INFO] [stderr]     Checking zerotrie v0.2.2
[INFO] [stderr]     Checking strum v0.27.1
[INFO] [stderr]    Compiling darling_macro v0.20.11
[INFO] [stderr]    Compiling darling v0.20.11
[INFO] [stderr]    Compiling serde_with_macros v3.14.0
[INFO] [stderr]     Checking tinystr v0.8.1
[INFO] [stderr]     Checking potential_utf v0.1.2
[INFO] [stderr]     Checking icu_collections v2.0.0
[INFO] [stderr]     Checking icu_locale_core v2.0.0
[INFO] [stderr]     Checking serde v1.0.219
[INFO] [stderr]     Checking icu_provider v2.0.0
[INFO] [stderr]     Checking icu_properties v2.0.1
[INFO] [stderr]     Checking icu_normalizer v2.0.0
[INFO] [stderr]     Checking futures-executor v0.3.31
[INFO] [stderr]     Checking tungstenite v0.26.2
[INFO] [stderr]     Checking futures v0.3.31
[INFO] [stderr]     Checking tokio-util v0.7.15
[INFO] [stderr]     Checking tokio-rustls v0.26.2
[INFO] [stderr]     Checking tower v0.5.2
[INFO] [stderr]     Checking tokio-native-tls v0.3.1
[INFO] [stderr]     Checking tokio-stream v0.1.17
[INFO] [stderr]     Checking tokio-tungstenite v0.26.2
[INFO] [stderr]     Checking tower-http v0.6.6
[INFO] [stderr]     Checking h2 v0.4.11
[INFO] [stderr]     Checking h2 v0.3.27
[INFO] [stderr]     Checking tower-http v0.5.2
[INFO] [stderr]     Checking idna_adapter v1.2.1
[INFO] [stderr]     Checking idna v1.0.3
[INFO] [stderr]     Checking serde_urlencoded v0.7.1
[INFO] [stderr]     Checking chrono v0.4.41
[INFO] [stderr]     Checking tracing-serde v0.2.0
[INFO] [stderr]     Checking serde_path_to_error v0.1.17
[INFO] [stderr]     Checking erased-serde v0.3.31
[INFO] [stderr]     Checking csv v1.3.1
[INFO] [stderr]     Checking serde_with v3.14.0
[INFO] [stderr]     Checking url v2.5.4
[INFO] [stderr]     Checking tracing-subscriber v0.3.19
[INFO] [stderr]     Checking typeshare v1.0.4
[INFO] [stderr]     Checking shuttle-common v0.56.0
[INFO] [stderr]     Checking shuttle-service v0.56.0
[INFO] [stderr]     Checking hyper v1.6.0
[INFO] [stderr]     Checking hyper v0.14.32
[INFO] [stderr]    Compiling shuttle-ifc v0.56.0
[INFO] [stderr]    Compiling shuttle-codegen v0.56.0
[INFO] [stderr]     Checking hyper-util v0.1.15
[INFO] [stderr]     Checking hyper-rustls v0.27.7
[INFO] [stderr]     Checking axum v0.8.4
[INFO] [stderr]     Checking reqwest v0.12.22
[INFO] [stderr]     Checking hyper-tls v0.5.0
[INFO] [stderr]     Checking reqwest v0.11.27
[INFO] [stderr]     Checking reqwest-middleware v0.4.2
[INFO] [stderr]     Checking shuttle-api-client v0.56.0
[INFO] [stderr]     Checking shuttle-runtime v0.56.0
[INFO] [stderr]     Checking shuttle-axum v0.56.0
[INFO] [stderr]     Checking optimization-schedule-app v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `core::num`
[INFO] [stdout]  --> src/algorithms/tune.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use core::num;
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `core::num`
[INFO] [stdout]  --> src/algorithms/tune.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use core::num;
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `label`
[INFO] [stdout]    --> src/algorithms/optimizer.rs:273:24
[INFO] [stdout]     |
[INFO] [stdout] 273 |     let assign_room = |label: &str, items: &mut Vec<(f64, f64, f64, OptimizedCourse)>| {
[INFO] [stdout]     |                        ^^^^^ help: if this is intentional, prefix it with an underscore: `_label`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `day_priority`
[INFO] [stdout]    --> src/algorithms/optimizer.rs:306:18
[INFO] [stdout]     |
[INFO] [stdout] 306 |         for (i, (day_priority, time_priority, mut course)) in courses.into_iter().enumerate() {
[INFO] [stdout]     |                  ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_day_priority`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `label`
[INFO] [stdout]    --> src/algorithms/optimizer.rs:273:24
[INFO] [stdout]     |
[INFO] [stdout] 273 |     let assign_room = |label: &str, items: &mut Vec<(f64, f64, f64, OptimizedCourse)>| {
[INFO] [stdout]     |                        ^^^^^ help: if this is intentional, prefix it with an underscore: `_label`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `day_priority`
[INFO] [stdout]    --> src/algorithms/optimizer.rs:306:18
[INFO] [stdout]     |
[INFO] [stdout] 306 |         for (i, (day_priority, time_priority, mut course)) in courses.into_iter().enumerate() {
[INFO] [stdout]     |                  ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_day_priority`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: struct `ConflictResult` is never constructed
[INFO] [stdout]   --> src/algorithms/checker.rs:14:12
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub struct ConflictResult {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `pub` struct has private fields, no public constructor, and is not otherwise reachable through the external API, so consider providing a public constructor or removing it
[INFO] [stdout]    = note: `#[deny(unused_unconstructable_pub_structs)]` (part of `#[deny(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: struct `ConflictResult` is never constructed
[INFO] [stdout]   --> src/algorithms/checker.rs:14:12
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub struct ConflictResult {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `pub` struct has private fields, no public constructor, and is not otherwise reachable through the external API, so consider providing a public constructor or removing it
[INFO] [stdout]    = note: `#[deny(unused_unconstructable_pub_structs)]` (part of `#[deny(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `optimization-schedule-app` (lib) due to 1 previous error; 3 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `optimization-schedule-app` (lib test) due to 1 previous error; 3 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "b1fb654378fb256b5890f59d929b8e0d376a2d1273ace0569f8fdd886f1b02b4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b1fb654378fb256b5890f59d929b8e0d376a2d1273ace0569f8fdd886f1b02b4", kill_on_drop: false }`
[INFO] [stdout] b1fb654378fb256b5890f59d929b8e0d376a2d1273ace0569f8fdd886f1b02b4
