[INFO] cloning repository https://github.com/jomaway/graca
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jomaway/graca" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjomaway%2Fgraca", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjomaway%2Fgraca'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 96223025fff4dc9cb95244b39fbf08e77be86482
[INFO] testing jomaway/graca against beta-2026-01-20 for beta-1.94-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjomaway%2Fgraca" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/jomaway/graca
[INFO] finished tweaking git repo https://github.com/jomaway/graca
[INFO] tweaked toml for git repo https://github.com/jomaway/graca written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/jomaway/graca on toolchain beta-2026-01-20
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-01-20" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/jomaway/graca 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" "+beta-2026-01-20" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-01-20" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b7567895128bd5fa34746f17201e1186cd56bea267165b19e7948dac7a71901f
[INFO] running `Command { std: "docker" "start" "-a" "b7567895128bd5fa34746f17201e1186cd56bea267165b19e7948dac7a71901f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b7567895128bd5fa34746f17201e1186cd56bea267165b19e7948dac7a71901f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b7567895128bd5fa34746f17201e1186cd56bea267165b19e7948dac7a71901f", kill_on_drop: false }`
[INFO] [stdout] b7567895128bd5fa34746f17201e1186cd56bea267165b19e7948dac7a71901f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-01-20" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 699acaeeb0df763f31a52cf4ad4b756df6f328f12451c323e5387328d5984d61
[INFO] running `Command { std: "docker" "start" "-a" "699acaeeb0df763f31a52cf4ad4b756df6f328f12451c323e5387328d5984d61", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.93
[INFO] [stderr]    Compiling log v0.4.25
[INFO] [stderr]    Compiling once_cell v1.20.3
[INFO] [stderr]    Compiling foldhash v0.1.4
[INFO] [stderr]    Compiling libc v0.2.169
[INFO] [stderr]    Compiling serde v1.0.217
[INFO] [stderr]    Compiling regex-syntax v0.8.5
[INFO] [stderr]    Compiling signal-hook v0.3.17
[INFO] [stderr]    Compiling rustix v0.38.43
[INFO] [stderr]    Compiling cc v1.2.13
[INFO] [stderr]    Compiling thiserror v2.0.11
[INFO] [stderr]    Compiling bitflags v2.8.0
[INFO] [stderr]    Compiling linux-raw-sys v0.4.15
[INFO] [stderr]    Compiling either v1.13.0
[INFO] [stderr]    Compiling miniz_oxide v0.8.4
[INFO] [stderr]    Compiling anstyle-parse v0.2.6
[INFO] [stderr]    Compiling castaway v0.2.3
[INFO] [stderr]    Compiling hashbrown v0.15.2
[INFO] [stderr]    Compiling indoc v2.0.5
[INFO] [stderr]    Compiling anstyle-query v1.1.2
[INFO] [stderr]    Compiling itertools v0.13.0
[INFO] [stderr]    Compiling lockfree-object-pool v0.1.6
[INFO] [stderr]    Compiling tracing-core v0.1.33
[INFO] [stderr]    Compiling thread_local v1.1.8
[INFO] [stderr]    Compiling anstyle v1.0.10
[INFO] [stderr]    Compiling colorchoice v1.0.3
[INFO] [stderr]    Compiling gimli v0.28.1
[INFO] [stderr]    Compiling simd-adler32 v0.3.7
[INFO] [stderr]    Compiling zip v2.2.2
[INFO] [stderr]    Compiling compact_str v0.8.1
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[INFO] [stderr]    Compiling miniz_oxide v0.7.4
[INFO] [stderr]    Compiling zopfli v0.8.1
[INFO] [stderr]    Compiling object v0.32.2
[INFO] [stderr]    Compiling rustc-demangle v0.1.24
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[INFO] [stderr]    Compiling parking_lot_core v0.9.10
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[INFO] [stderr]    Compiling flate2 v1.0.35
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[INFO] [stderr]    Compiling lru v0.12.5
[INFO] [stderr]    Compiling clap_lex v0.7.4
[INFO] [stderr]    Compiling indenter v0.3.3
[INFO] [stderr]    Compiling parking_lot v0.12.3
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[INFO] [stderr]    Compiling winnow v0.7.2
[INFO] [stderr]    Compiling dirs-sys v0.5.0
[INFO] [stderr]    Compiling eyre v0.6.12
[INFO] [stderr]    Compiling clap_builder v4.5.29
[INFO] [stderr]    Compiling csv-core v0.1.11
[INFO] [stderr]    Compiling strum v0.27.1
[INFO] [stderr]    Compiling directories v6.0.0
[INFO] [stderr]    Compiling backtrace v0.3.71
[INFO] [stderr]    Compiling unicode-truncate v1.1.0
[INFO] [stderr]    Compiling regex-automata v0.4.9
[INFO] [stderr]    Compiling addr2line v0.21.0
[INFO] [stderr]    Compiling regex v1.11.1
[INFO] [stderr]    Compiling darling_core v0.20.10
[INFO] [stderr]    Compiling serde_derive v1.0.217
[INFO] [stderr]    Compiling tracing-attributes v0.1.28
[INFO] [stderr]    Compiling strum_macros v0.26.4
[INFO] [stderr]    Compiling thiserror-impl v2.0.11
[INFO] [stderr]    Compiling displaydoc v0.2.5
[INFO] [stderr]    Compiling clap_derive v4.5.28
[INFO] [stderr]    Compiling strum_macros v0.27.1
[INFO] [stderr]    Compiling darling_macro v0.20.10
[INFO] [stderr]    Compiling tracing v0.1.41
[INFO] [stderr]    Compiling darling v0.20.10
[INFO] [stderr]    Compiling tracing-subscriber v0.3.19
[INFO] [stderr]    Compiling instability v0.3.7
[INFO] [stderr]    Compiling strum v0.26.3
[INFO] [stderr]    Compiling ratatui v0.29.0
[INFO] [stderr]    Compiling clap v4.5.29
[INFO] [stderr]    Compiling rust_xlsxwriter v0.84.0
[INFO] [stderr]    Compiling tracing-error v0.2.1
[INFO] [stderr]    Compiling color-spantrace v0.2.1
[INFO] [stderr]    Compiling color-eyre v0.6.3
[INFO] [stderr]    Compiling tui-input v0.11.1
[INFO] [stderr]    Compiling toml_datetime v0.6.8
[INFO] [stderr]    Compiling serde_spanned v0.6.8
[INFO] [stderr]    Compiling csv v1.3.1
[INFO] [stderr]    Compiling toml_edit v0.22.24
[INFO] [stderr]    Compiling toml v0.8.20
[INFO] [stderr]    Compiling graca v0.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `tracing::debug`
[INFO] [stdout]  --> src/model/mod.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use tracing::debug;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `ExportError` is never constructed
[INFO] [stdout]   --> src/export.rs:16:12
[INFO] [stdout]    |
[INFO] [stdout] 16 | pub struct ExportError {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `msg` is never used
[INFO] [stdout]   --> src/export.rs:21:12
[INFO] [stdout]    |
[INFO] [stdout] 20 | impl ExportError {
[INFO] [stdout]    | ---------------- method in this implementation
[INFO] [stdout] 21 |     pub fn msg(&self) -> String {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Exporter` is never used
[INFO] [stdout]   --> src/export.rs:72:11
[INFO] [stdout]    |
[INFO] [stdout] 72 | pub trait Exporter {
[INFO] [stdout]    |           ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `CsvExporter` is never constructed
[INFO] [stdout]   --> src/export.rs:76:12
[INFO] [stdout]    |
[INFO] [stdout] 76 | pub struct CsvExporter;
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `TomlExporter` is never constructed
[INFO] [stdout]   --> src/export.rs:77:12
[INFO] [stdout]    |
[INFO] [stdout] 77 | pub struct TomlExporter;
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `XlsxExporter` is never constructed
[INFO] [stdout]   --> src/export.rs:78:12
[INFO] [stdout]    |
[INFO] [stdout] 78 | pub struct XlsxExporter;
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `export` is never used
[INFO] [stdout]    --> src/export.rs:138:8
[INFO] [stdout]     |
[INFO] [stdout] 138 | pub fn export(path: &Path, data: &Vec<GradingScaleTableRowData>) -> Result<(), ExportError> {
[INFO] [stdout]     |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `resolve_path` is never used
[INFO] [stdout]    --> src/export.rs:149:8
[INFO] [stdout]     |
[INFO] [stdout] 149 | pub fn resolve_path(user_input: &str) -> Option<PathBuf> {
[INFO] [stdout]     |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `expand_home` is never used
[INFO] [stdout]    --> src/export.rs:162:4
[INFO] [stdout]     |
[INFO] [stdout] 162 | fn expand_home(path: &PathBuf) -> Option<PathBuf> {
[INFO] [stdout]     |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `get_class_name` is never used
[INFO] [stdout]    --> src/model/mod.rs:122:12
[INFO] [stdout]     |
[INFO] [stdout]  21 | impl Model {
[INFO] [stdout]     | ---------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 122 |     pub fn get_class_name(&self) -> &str {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `label` and `next_better` are never used
[INFO] [stdout]    --> src/model/scale.rs:277:8
[INFO] [stdout]     |
[INFO] [stdout] 265 | impl Grade {
[INFO] [stdout]     | ---------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 277 |     fn label(&self) -> &'static str {
[INFO] [stdout]     |        ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 288 |     pub fn next_better(self) -> Option<Self> {
[INFO] [stdout]     |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new` and `with_points` are never used
[INFO] [stdout]   --> src/model/students.rs:16:12
[INFO] [stdout]    |
[INFO] [stdout] 15 | impl Student {
[INFO] [stdout]    | ------------ associated items in this implementation
[INFO] [stdout] 16 |     pub fn new(name: &str) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 23 |     pub fn with_points(mut self, points: f64) -> Self {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `class_name`, `iter_students_mut`, and `get_student` are never used
[INFO] [stdout]   --> src/model/students.rs:83:12
[INFO] [stdout]    |
[INFO] [stdout] 48 | impl StudentList {
[INFO] [stdout]    | ---------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 83 |     pub fn class_name(&self) -> &str {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 91 |     pub fn iter_students_mut(&mut self) -> impl Iterator<Item = &mut Student> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 95 |     pub fn get_student(&self, name: &str) -> Option<&Student> {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `background` is never used
[INFO] [stdout]   --> src/ui/theme.rs:19:8
[INFO] [stdout]    |
[INFO] [stdout]  5 | pub trait AppStyle {
[INFO] [stdout]    |           -------- method in this trait
[INFO] [stdout] ...
[INFO] [stdout] 19 |     fn background(&self) -> Style {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 50.02s
[INFO] running `Command { std: "docker" "inspect" "699acaeeb0df763f31a52cf4ad4b756df6f328f12451c323e5387328d5984d61", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "699acaeeb0df763f31a52cf4ad4b756df6f328f12451c323e5387328d5984d61", kill_on_drop: false }`
[INFO] [stdout] 699acaeeb0df763f31a52cf4ad4b756df6f328f12451c323e5387328d5984d61
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-01-20" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 169e167eeab1bf1dd060cdf4dc3178cb379b11d58921f3c70b12dee689d7adf1
[INFO] running `Command { std: "docker" "start" "-a" "169e167eeab1bf1dd060cdf4dc3178cb379b11d58921f3c70b12dee689d7adf1", kill_on_drop: false }`
[INFO] [stderr]    Compiling graca v0.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `tracing::debug`
[INFO] [stdout]  --> src/model/mod.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use tracing::debug;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `msg` is never used
[INFO] [stdout]   --> src/export.rs:21:12
[INFO] [stdout]    |
[INFO] [stdout] 20 | impl ExportError {
[INFO] [stdout]    | ---------------- method in this implementation
[INFO] [stdout] 21 |     pub fn msg(&self) -> String {
[INFO] [stdout]    |            ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `get_class_name` is never used
[INFO] [stdout]    --> src/model/mod.rs:122:12
[INFO] [stdout]     |
[INFO] [stdout]  21 | impl Model {
[INFO] [stdout]     | ---------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 122 |     pub fn get_class_name(&self) -> &str {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `label` and `next_better` are never used
[INFO] [stdout]    --> src/model/scale.rs:277:8
[INFO] [stdout]     |
[INFO] [stdout] 265 | impl Grade {
[INFO] [stdout]     | ---------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 277 |     fn label(&self) -> &'static str {
[INFO] [stdout]     |        ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 288 |     pub fn next_better(self) -> Option<Self> {
[INFO] [stdout]     |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new` and `with_points` are never used
[INFO] [stdout]   --> src/model/students.rs:16:12
[INFO] [stdout]    |
[INFO] [stdout] 15 | impl Student {
[INFO] [stdout]    | ------------ associated items in this implementation
[INFO] [stdout] 16 |     pub fn new(name: &str) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 23 |     pub fn with_points(mut self, points: f64) -> Self {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `class_name`, `iter_students_mut`, and `get_student` are never used
[INFO] [stdout]   --> src/model/students.rs:83:12
[INFO] [stdout]    |
[INFO] [stdout] 48 | impl StudentList {
[INFO] [stdout]    | ---------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 83 |     pub fn class_name(&self) -> &str {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 91 |     pub fn iter_students_mut(&mut self) -> impl Iterator<Item = &mut Student> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 95 |     pub fn get_student(&self, name: &str) -> Option<&Student> {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `background` is never used
[INFO] [stdout]   --> src/ui/theme.rs:19:8
[INFO] [stdout]    |
[INFO] [stdout]  5 | pub trait AppStyle {
[INFO] [stdout]    |           -------- method in this trait
[INFO] [stdout] ...
[INFO] [stdout] 19 |     fn background(&self) -> Style {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 2.16s
[INFO] running `Command { std: "docker" "inspect" "169e167eeab1bf1dd060cdf4dc3178cb379b11d58921f3c70b12dee689d7adf1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "169e167eeab1bf1dd060cdf4dc3178cb379b11d58921f3c70b12dee689d7adf1", kill_on_drop: false }`
[INFO] [stdout] 169e167eeab1bf1dd060cdf4dc3178cb379b11d58921f3c70b12dee689d7adf1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-01-20" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 07d7ad273a6e8b25113fbba70547b838ffc76109ee7b8341f227947de184140c
[INFO] running `Command { std: "docker" "start" "-a" "07d7ad273a6e8b25113fbba70547b838ffc76109ee7b8341f227947de184140c", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `tracing::debug`
[INFO] [stderr]  --> src/model/mod.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 | use tracing::debug;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method `msg` is never used
[INFO] [stderr]   --> src/export.rs:21:12
[INFO] [stderr]    |
[INFO] [stderr] 20 | impl ExportError {
[INFO] [stderr]    | ---------------- method in this implementation
[INFO] [stderr] 21 |     pub fn msg(&self) -> String {
[INFO] [stderr]    |            ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method `get_class_name` is never used
[INFO] [stderr]    --> src/model/mod.rs:122:12
[INFO] [stderr]     |
[INFO] [stderr]  21 | impl Model {
[INFO] [stderr]     | ---------- method in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 122 |     pub fn get_class_name(&self) -> &str {
[INFO] [stderr]     |            ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: methods `label` and `next_better` are never used
[INFO] [stderr]    --> src/model/scale.rs:277:8
[INFO] [stderr]     |
[INFO] [stderr] 265 | impl Grade {
[INFO] [stderr]     | ---------- methods in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 277 |     fn label(&self) -> &'static str {
[INFO] [stderr]     |        ^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 288 |     pub fn next_better(self) -> Option<Self> {
[INFO] [stderr]     |            ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated items `new` and `with_points` are never used
[INFO] [stderr]   --> src/model/students.rs:16:12
[INFO] [stderr]    |
[INFO] [stderr] 15 | impl Student {
[INFO] [stderr]    | ------------ associated items in this implementation
[INFO] [stderr] 16 |     pub fn new(name: &str) -> Self {
[INFO] [stderr]    |            ^^^
[INFO] [stderr] ...
[INFO] [stderr] 23 |     pub fn with_points(mut self, points: f64) -> Self {
[INFO] [stderr]    |            ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: methods `class_name`, `iter_students_mut`, and `get_student` are never used
[INFO] [stderr]   --> src/model/students.rs:83:12
[INFO] [stderr]    |
[INFO] [stderr] 48 | impl StudentList {
[INFO] [stderr]    | ---------------- methods in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 83 |     pub fn class_name(&self) -> &str {
[INFO] [stderr]    |            ^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 91 |     pub fn iter_students_mut(&mut self) -> impl Iterator<Item = &mut Student> {
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 95 |     pub fn get_student(&self, name: &str) -> Option<&Student> {
[INFO] [stderr]    |            ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method `background` is never used
[INFO] [stderr]   --> src/ui/theme.rs:19:8
[INFO] [stderr]    |
[INFO] [stderr]  5 | pub trait AppStyle {
[INFO] [stderr]    |           -------- method in this trait
[INFO] [stderr] ...
[INFO] [stderr] 19 |     fn background(&self) -> Style {
[INFO] [stderr]    |        ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `graca` (bin "graca" test) generated 7 warnings (run `cargo fix --bin "graca" -p graca --tests` to apply 1 suggestion)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.16s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/graca-1700036c1e5b8a1a)
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test export::tests::test_expand_home ... ok
[INFO] [stdout] test export::tests::test_resolve_path ... ok
[INFO] [stdout] test export::tests::test_export ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- export::tests::test_export stdout ----
[INFO] [stdout] 
[INFO] [stdout] thread 'export::tests::test_export' (25) panicked at src/export.rs:198:9:
[INFO] [stdout] assertion `left == right` failed
[INFO] [stdout]   left: Err(ExportError { details: "Read-only file system (os error 30)" })
[INFO] [stdout]  right: Ok(())
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x5c80baee61f2 - std::backtrace_rs::backtrace::libunwind::trace::hf0bd46b30bc61685
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x5c80baee61f2 - std::backtrace_rs::backtrace::trace_unsynchronized::h1d1fbb72ad89d7b7
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x5c80baee61f2 - std::sys::backtrace::_print_fmt::he38b6f68ca847f47
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x5c80baee61f2 - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::hb7e843cde1bc81a3
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]    4:     0x5c80baef893a - core::fmt::rt::Argument::fmt::hc1dd77ac64f2688c
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x5c80baef893a - core::fmt::write::h952c506e2dbe9cff
[INFO] [stdout]    6:     0x5c80baeb4836 - std::io::default_write_fmt::hd23bd8145c03a23a
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/io/mod.rs:639:11
[INFO] [stdout]    7:     0x5c80baeb4836 - std::io::Write::write_fmt::hdd3314a2bd8a34bd
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/io/mod.rs:1994:13
[INFO] [stdout]    8:     0x5c80baec5499 - std::sys::backtrace::BacktraceLock::print::h1079b82381c2c252
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/sys/backtrace.rs:47:9
[INFO] [stdout]    9:     0x5c80baec5499 - std::panicking::default_hook::{{closure}}::h85cb76b8462c00f2
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/panicking.rs:292:27
[INFO] [stdout]   10:     0x5c80baec5331 - std::panicking::default_hook::h0134d220cc034c02
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/panicking.rs:316:9
[INFO] [stdout]   11:     0x5c80bacb0e4e - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::hb2e68dca3970e3ca
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/alloc/src/boxed.rs:2220:9
[INFO] [stdout]   12:     0x5c80bacb0e4e - test::test_main_with_exit_callback::{{closure}}::ha7ec2063a2565ec3
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/test/src/lib.rs:145:21
[INFO] [stdout]   13:     0x5c80baec57c2 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::haebee478d0f56cf4
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/alloc/src/boxed.rs:2220:9
[INFO] [stdout]   14:     0x5c80baec57c2 - std::panicking::panic_with_hook::h8119b6db1fef734f
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/panicking.rs:833:13
[INFO] [stdout]   15:     0x5c80baec5558 - std::panicking::panic_handler::{{closure}}::h24f5360b91482c0e
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/panicking.rs:698:13
[INFO] [stdout]   16:     0x5c80baec0429 - std::sys::backtrace::__rust_end_short_backtrace::h4e60c5cbd1bd0108
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/sys/backtrace.rs:182:18
[INFO] [stdout]   17:     0x5c80baea921d - __rustc[e4c6931bd8050421]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/panicking.rs:689:5
[INFO] [stdout]   18:     0x5c80baf020ec - core::panicking::panic_fmt::hb1614a3ff6840071
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/core/src/panicking.rs:80:14
[INFO] [stdout]   19:     0x5c80baf01f73 - core::panicking::assert_failed_inner::h5aabe811ef142622
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/core/src/panicking.rs:439:17
[INFO] [stdout]   20:     0x5c80bac4b72b - core::panicking::assert_failed::hcc2081170c434eb5
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/core/src/panicking.rs:394:5
[INFO] [stdout]   21:     0x5c80bac34620 - graca::export::tests::test_export::h5facf895afd7f067
[INFO] [stdout]                                at /opt/rustwide/workdir/src/export.rs:198:9
[INFO] [stdout]   22:     0x5c80bac349d7 - graca::export::tests::test_export::{{closure}}::h66ea1164d6c19236
[INFO] [stdout]                                at /opt/rustwide/workdir/src/export.rs:196:21
[INFO] [stdout]   23:     0x5c80bac37ad6 - core::ops::function::FnOnce::call_once::h21f31eefc29b8c90
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   24:     0x5c80bacb0c4b - core::ops::function::FnOnce::call_once::hefaf63600cd43d2a
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   25:     0x5c80bacb0c4b - test::__rust_begin_short_backtrace::he30322a73a0e9ea6
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/test/src/lib.rs:663:18
[INFO] [stdout]   26:     0x5c80bacc461a - test::run_test_in_process::{{closure}}::hdea3ab8d0243ef36
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/test/src/lib.rs:686:74
[INFO] [stdout]   27:     0x5c80bacc461a - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h66d192f42498ffce
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/core/src/panic/unwind_safe.rs:274:9
[INFO] [stdout]   28:     0x5c80bacc461a - std::panicking::catch_unwind::do_call::h822e18e8d3a6bb65
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/panicking.rs:581:40
[INFO] [stdout]   29:     0x5c80bacc461a - std::panicking::catch_unwind::h54b1de7ceab578bf
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/panicking.rs:544:19
[INFO] [stdout]   30:     0x5c80bacc461a - std::panic::catch_unwind::h60c29b7a9d0246b1
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/panic.rs:359:14
[INFO] [stdout]   31:     0x5c80bacc461a - test::run_test_in_process::h6099b5f871379b13
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/test/src/lib.rs:686:27
[INFO] [stdout]   32:     0x5c80bacc461a - test::run_test::{{closure}}::h926ce0a38281a4c8
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/test/src/lib.rs:607:43
[INFO] [stdout]   33:     0x5c80bac9ea74 - test::run_test::{{closure}}::h508de21a9afc7140
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/test/src/lib.rs:637:41
[INFO] [stdout]   34:     0x5c80bac9ea74 - std::sys::backtrace::__rust_begin_short_backtrace::h6e2f5c39ca00735a
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]   35:     0x5c80baca2332 - std::thread::lifecycle::spawn_unchecked::{{closure}}::{{closure}}::h133e44f0e5802c14
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/thread/lifecycle.rs:91:13
[INFO] [stdout]   36:     0x5c80baca2332 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h4718c1285283955c
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/core/src/panic/unwind_safe.rs:274:9
[INFO] [stdout]   37:     0x5c80baca2332 - std::panicking::catch_unwind::do_call::h0bba3937b4892238
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/panicking.rs:581:40
[INFO] [stdout]   38:     0x5c80baca2332 - std::panicking::catch_unwind::h5b31cab5fb8c5d7f
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/panicking.rs:544:19
[INFO] [stdout]   39:     0x5c80baca2332 - std::panic::catch_unwind::hb2fa05d52ed0124e
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/panic.rs:359:14
[INFO] [stdout]   40:     0x5c80baca2332 - std::thread::lifecycle::spawn_unchecked::{{closure}}::hf401cf5ff501bd29
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/thread/lifecycle.rs:89:26
[INFO] [stdout]   41:     0x5c80baca2332 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h160022e94ce3b0bb
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   42:     0x5c80baebb6bf - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::hf234e0d1d1d272ba
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/alloc/src/boxed.rs:2206:9
[INFO] [stdout]   43:     0x5c80baebb6bf - std::sys::thread::unix::Thread::new::thread_start::h106a295241840d3b
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/sys/thread/unix.rs:127:17
[INFO] [stdout]   44:     0x76811b4bbaa4 - <unknown>
[INFO] [stdout]   45:     0x76811b548a64 - clone
[INFO] [stdout]   46:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     export::tests::test_export
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 2 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.10s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass `--bin graca`
[INFO] running `Command { std: "docker" "inspect" "07d7ad273a6e8b25113fbba70547b838ffc76109ee7b8341f227947de184140c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "07d7ad273a6e8b25113fbba70547b838ffc76109ee7b8341f227947de184140c", kill_on_drop: false }`
[INFO] [stdout] 07d7ad273a6e8b25113fbba70547b838ffc76109ee7b8341f227947de184140c
