[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 master#cced03bfd61a304243a34504618ecec86c17063f for pr-154065-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjomaway%2Fgraca" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/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-1-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/jomaway/graca on toolchain cced03bfd61a304243a34504618ecec86c17063f
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cced03bfd61a304243a34504618ecec86c17063f" "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" "+cced03bfd61a304243a34504618ecec86c17063f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+cced03bfd61a304243a34504618ecec86c17063f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "start" "-a" "b6e3a2a25f79868e7f887efa6cd71ad225aecc54f82697ac5dde3b0bf14993a3", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+cced03bfd61a304243a34504618ecec86c17063f" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 10b8d75d7844364011dff5eaaf3d4fcc64180641de06c270afcc0c765a831d52
[INFO] running `Command { std: "docker" "start" "-a" "10b8d75d7844364011dff5eaaf3d4fcc64180641de06c270afcc0c765a831d52", kill_on_drop: false }`
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[INFO] [stderr]    Compiling darling_core v0.20.10
[INFO] [stderr]    Compiling serde_derive v1.0.217
[INFO] [stderr]    Compiling tracing-attributes v0.1.28
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[INFO] [stderr]    Compiling displaydoc v0.2.5
[INFO] [stderr]    Compiling clap_derive v4.5.28
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[INFO] [stderr]    Compiling tracing v0.1.41
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[INFO] [stderr]    Compiling darling_macro v0.20.10
[INFO] [stderr]    Compiling clap v4.5.29
[INFO] [stderr]    Compiling darling v0.20.10
[INFO] [stderr]    Compiling instability v0.3.7
[INFO] [stderr]    Compiling strum v0.26.3
[INFO] [stderr]    Compiling rust_xlsxwriter v0.84.0
[INFO] [stderr]    Compiling ratatui v0.29.0
[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
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[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 44.97s
[INFO] running `Command { std: "docker" "inspect" "10b8d75d7844364011dff5eaaf3d4fcc64180641de06c270afcc0c765a831d52", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "10b8d75d7844364011dff5eaaf3d4fcc64180641de06c270afcc0c765a831d52", kill_on_drop: false }`
[INFO] [stdout] 10b8d75d7844364011dff5eaaf3d4fcc64180641de06c270afcc0c765a831d52
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+cced03bfd61a304243a34504618ecec86c17063f" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2aff2d2e99fcec2f4fae05e812654ecf819d90dc5996e09a3876b0cce6bbf0ae
[INFO] running `Command { std: "docker" "start" "-a" "2aff2d2e99fcec2f4fae05e812654ecf819d90dc5996e09a3876b0cce6bbf0ae", 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 2.06s
[INFO] running `Command { std: "docker" "inspect" "2aff2d2e99fcec2f4fae05e812654ecf819d90dc5996e09a3876b0cce6bbf0ae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2aff2d2e99fcec2f4fae05e812654ecf819d90dc5996e09a3876b0cce6bbf0ae", kill_on_drop: false }`
[INFO] [stdout] 2aff2d2e99fcec2f4fae05e812654ecf819d90dc5996e09a3876b0cce6bbf0ae
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+cced03bfd61a304243a34504618ecec86c17063f" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] a319f72b73ec084ecf55f25c52a0f06204172375741f5ecf1122ee37602f0ab9
[INFO] running `Command { std: "docker" "start" "-a" "a319f72b73ec084ecf55f25c52a0f06204172375741f5ecf1122ee37602f0ab9", 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 0.23s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/graca-f05b43fa5184e5a0)
[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' (19) 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:     0x55ca429caed8 - std[929523f510218772]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stdout]                                at /rustc/cced03bfd61a304243a34504618ecec86c17063f/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x55ca429caed8 - std[929523f510218772]::backtrace_rs::backtrace::trace_unsynchronized::<std[929523f510218772]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stdout]                                at /rustc/cced03bfd61a304243a34504618ecec86c17063f/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x55ca429caed8 - std[929523f510218772]::sys::backtrace::_print_fmt
[INFO] [stdout]                                at /rustc/cced03bfd61a304243a34504618ecec86c17063f/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x55ca429caed8 - <<std[929523f510218772]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[28b146924c2f19c6]::fmt::Display>::fmt
[INFO] [stdout]                                at /rustc/cced03bfd61a304243a34504618ecec86c17063f/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]    4:     0x55ca429e1eba - <core[28b146924c2f19c6]::fmt::rt::Argument>::fmt
[INFO] [stdout]                                at /rustc/cced03bfd61a304243a34504618ecec86c17063f/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x55ca429e1eba - core[28b146924c2f19c6]::fmt::write
[INFO] [stdout]    6:     0x55ca429cf842 - std[929523f510218772]::io::default_write_fmt::<alloc[95e62e727ddf147d]::vec::Vec<u8>>
[INFO] [stdout]                                at /rustc/cced03bfd61a304243a34504618ecec86c17063f/library/std/src/io/mod.rs:622:11
[INFO] [stdout]    7:     0x55ca429cf842 - <alloc[95e62e727ddf147d]::vec::Vec<u8> as std[929523f510218772]::io::Write>::write_fmt
[INFO] [stdout]                                at /rustc/cced03bfd61a304243a34504618ecec86c17063f/library/std/src/io/mod.rs:1977:13
[INFO] [stdout]    8:     0x55ca429a96c6 - <std[929523f510218772]::sys::backtrace::BacktraceLock>::print
[INFO] [stdout]                                at /rustc/cced03bfd61a304243a34504618ecec86c17063f/library/std/src/sys/backtrace.rs:47:9
[INFO] [stdout]    9:     0x55ca429a96c6 - std[929523f510218772]::panicking::default_hook::{closure#0}
[INFO] [stdout]                                at /rustc/cced03bfd61a304243a34504618ecec86c17063f/library/std/src/panicking.rs:292:27
[INFO] [stdout]   10:     0x55ca429c2f59 - std[929523f510218772]::panicking::default_hook
[INFO] [stdout]                                at /rustc/cced03bfd61a304243a34504618ecec86c17063f/library/std/src/panicking.rs:316:9
[INFO] [stdout]   11:     0x55ca427896ec - <alloc[95e62e727ddf147d]::boxed::Box<dyn for<'a, 'b> core[28b146924c2f19c6]::ops::function::Fn<(&'a std[929523f510218772]::panic::PanicHookInfo<'b>,), Output = ()> + core[28b146924c2f19c6]::marker::Sync + core[28b146924c2f19c6]::marker::Send> as core[28b146924c2f19c6]::ops::function::Fn<(&std[929523f510218772]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/cced03bfd61a304243a34504618ecec86c17063f/library/alloc/src/boxed.rs:2291:9
[INFO] [stdout]   12:     0x55ca427896ec - test[6ec0502068880816]::test_main_inner::<test[6ec0502068880816]::test_main_static::{closure#0}>::{closure#0}
[INFO] [stdout]                                at /rustc/cced03bfd61a304243a34504618ecec86c17063f/library/test/src/lib.rs:155:21
[INFO] [stdout]   13:     0x55ca429c31d2 - <alloc[95e62e727ddf147d]::boxed::Box<dyn for<'a, 'b> core[28b146924c2f19c6]::ops::function::Fn<(&'a std[929523f510218772]::panic::PanicHookInfo<'b>,), Output = ()> + core[28b146924c2f19c6]::marker::Sync + core[28b146924c2f19c6]::marker::Send> as core[28b146924c2f19c6]::ops::function::Fn<(&std[929523f510218772]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/cced03bfd61a304243a34504618ecec86c17063f/library/alloc/src/boxed.rs:2291:9
[INFO] [stdout]   14:     0x55ca429c31d2 - std[929523f510218772]::panicking::panic_with_hook
[INFO] [stdout]                                at /rustc/cced03bfd61a304243a34504618ecec86c17063f/library/std/src/panicking.rs:833:13
[INFO] [stdout]   15:     0x55ca429a9782 - std[929523f510218772]::panicking::panic_handler::{closure#0}
[INFO] [stdout]                                at /rustc/cced03bfd61a304243a34504618ecec86c17063f/library/std/src/panicking.rs:698:13
[INFO] [stdout]   16:     0x55ca4299e989 - std[929523f510218772]::sys::backtrace::__rust_end_short_backtrace::<std[929523f510218772]::panicking::panic_handler::{closure#0}, !>
[INFO] [stdout]                                at /rustc/cced03bfd61a304243a34504618ecec86c17063f/library/std/src/sys/backtrace.rs:182:18
[INFO] [stdout]   17:     0x55ca429aa49d - __rustc[acf6043c977865fb]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/cced03bfd61a304243a34504618ecec86c17063f/library/std/src/panicking.rs:689:5
[INFO] [stdout]   18:     0x55ca429e267c - core[28b146924c2f19c6]::panicking::panic_fmt
[INFO] [stdout]                                at /rustc/cced03bfd61a304243a34504618ecec86c17063f/library/core/src/panicking.rs:80:14
[INFO] [stdout]   19:     0x55ca429e2503 - core[28b146924c2f19c6]::panicking::assert_failed_inner
[INFO] [stdout]                                at /rustc/cced03bfd61a304243a34504618ecec86c17063f/library/core/src/panicking.rs:439:17
[INFO] [stdout]   20:     0x55ca4272ce68 - core[28b146924c2f19c6]::panicking::assert_failed::<core[28b146924c2f19c6]::result::Result<(), graca[6797db9533b826d7]::export::ExportError>, core[28b146924c2f19c6]::result::Result<(), graca[6797db9533b826d7]::export::ExportError>>
[INFO] [stdout]                                at /rustc/cced03bfd61a304243a34504618ecec86c17063f/library/core/src/panicking.rs:394:5
[INFO] [stdout]   21:     0x55ca42731740 - graca[6797db9533b826d7]::export::tests::test_export
[INFO] [stdout]                                at /opt/rustwide/workdir/src/export.rs:198:9
[INFO] [stdout]   22:     0x55ca4272f697 - graca[6797db9533b826d7]::export::tests::test_export::{closure#0}
[INFO] [stdout]                                at /opt/rustwide/workdir/src/export.rs:196:21
[INFO] [stdout]   23:     0x55ca42721cb6 - <graca[6797db9533b826d7]::export::tests::test_export::{closure#0} as core[28b146924c2f19c6]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/cced03bfd61a304243a34504618ecec86c17063f/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   24:     0x55ca4277c7cb - <fn() -> core[28b146924c2f19c6]::result::Result<(), alloc[95e62e727ddf147d]::string::String> as core[28b146924c2f19c6]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/cced03bfd61a304243a34504618ecec86c17063f/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   25:     0x55ca4277c7cb - test[6ec0502068880816]::__rust_begin_short_backtrace::<core[28b146924c2f19c6]::result::Result<(), alloc[95e62e727ddf147d]::string::String>, fn() -> core[28b146924c2f19c6]::result::Result<(), alloc[95e62e727ddf147d]::string::String>>
[INFO] [stdout]                                at /rustc/cced03bfd61a304243a34504618ecec86c17063f/library/test/src/lib.rs:724:18
[INFO] [stdout]   26:     0x55ca4278a045 - test[6ec0502068880816]::run_test_in_process::{closure#0}
[INFO] [stdout]                                at /rustc/cced03bfd61a304243a34504618ecec86c17063f/library/test/src/lib.rs:747:74
[INFO] [stdout]   27:     0x55ca4278a045 - <core[28b146924c2f19c6]::panic::unwind_safe::AssertUnwindSafe<test[6ec0502068880816]::run_test_in_process::{closure#0}> as core[28b146924c2f19c6]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/cced03bfd61a304243a34504618ecec86c17063f/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   28:     0x55ca4278a045 - std[929523f510218772]::panicking::catch_unwind::do_call::<core[28b146924c2f19c6]::panic::unwind_safe::AssertUnwindSafe<test[6ec0502068880816]::run_test_in_process::{closure#0}>, core[28b146924c2f19c6]::result::Result<(), alloc[95e62e727ddf147d]::string::String>>
[INFO] [stdout]                                at /rustc/cced03bfd61a304243a34504618ecec86c17063f/library/std/src/panicking.rs:581:40
[INFO] [stdout]   29:     0x55ca4278a045 - std[929523f510218772]::panicking::catch_unwind::<core[28b146924c2f19c6]::result::Result<(), alloc[95e62e727ddf147d]::string::String>, core[28b146924c2f19c6]::panic::unwind_safe::AssertUnwindSafe<test[6ec0502068880816]::run_test_in_process::{closure#0}>>
[INFO] [stdout]                                at /rustc/cced03bfd61a304243a34504618ecec86c17063f/library/std/src/panicking.rs:544:19
[INFO] [stdout]   30:     0x55ca4278a045 - std[929523f510218772]::panic::catch_unwind::<core[28b146924c2f19c6]::panic::unwind_safe::AssertUnwindSafe<test[6ec0502068880816]::run_test_in_process::{closure#0}>, core[28b146924c2f19c6]::result::Result<(), alloc[95e62e727ddf147d]::string::String>>
[INFO] [stdout]                                at /rustc/cced03bfd61a304243a34504618ecec86c17063f/library/std/src/panic.rs:359:14
[INFO] [stdout]   31:     0x55ca4278a045 - test[6ec0502068880816]::run_test_in_process
[INFO] [stdout]                                at /rustc/cced03bfd61a304243a34504618ecec86c17063f/library/test/src/lib.rs:747:27
[INFO] [stdout]   32:     0x55ca4278a045 - test[6ec0502068880816]::run_test::{closure#0}
[INFO] [stdout]                                at /rustc/cced03bfd61a304243a34504618ecec86c17063f/library/test/src/lib.rs:668:43
[INFO] [stdout]   33:     0x55ca42784ba4 - test[6ec0502068880816]::run_test::{closure#1}
[INFO] [stdout]                                at /rustc/cced03bfd61a304243a34504618ecec86c17063f/library/test/src/lib.rs:698:41
[INFO] [stdout]   34:     0x55ca42784ba4 - std[929523f510218772]::sys::backtrace::__rust_begin_short_backtrace::<test[6ec0502068880816]::run_test::{closure#1}, ()>
[INFO] [stdout]                                at /rustc/cced03bfd61a304243a34504618ecec86c17063f/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]   35:     0x55ca4278d0c2 - std[929523f510218772]::thread::lifecycle::spawn_unchecked::<test[6ec0502068880816]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}
[INFO] [stdout]                                at /rustc/cced03bfd61a304243a34504618ecec86c17063f/library/std/src/thread/lifecycle.rs:70:13
[INFO] [stdout]   36:     0x55ca4278d0c2 - <core[28b146924c2f19c6]::panic::unwind_safe::AssertUnwindSafe<std[929523f510218772]::thread::lifecycle::spawn_unchecked<test[6ec0502068880816]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}> as core[28b146924c2f19c6]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/cced03bfd61a304243a34504618ecec86c17063f/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   37:     0x55ca4278d0c2 - std[929523f510218772]::panicking::catch_unwind::do_call::<core[28b146924c2f19c6]::panic::unwind_safe::AssertUnwindSafe<std[929523f510218772]::thread::lifecycle::spawn_unchecked<test[6ec0502068880816]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/cced03bfd61a304243a34504618ecec86c17063f/library/std/src/panicking.rs:581:40
[INFO] [stdout]   38:     0x55ca4278d0c2 - std[929523f510218772]::panicking::catch_unwind::<(), core[28b146924c2f19c6]::panic::unwind_safe::AssertUnwindSafe<std[929523f510218772]::thread::lifecycle::spawn_unchecked<test[6ec0502068880816]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>>
[INFO] [stdout]                                at /rustc/cced03bfd61a304243a34504618ecec86c17063f/library/std/src/panicking.rs:544:19
[INFO] [stdout]   39:     0x55ca4278d0c2 - std[929523f510218772]::panic::catch_unwind::<core[28b146924c2f19c6]::panic::unwind_safe::AssertUnwindSafe<std[929523f510218772]::thread::lifecycle::spawn_unchecked<test[6ec0502068880816]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/cced03bfd61a304243a34504618ecec86c17063f/library/std/src/panic.rs:359:14
[INFO] [stdout]   40:     0x55ca4278d0c2 - std[929523f510218772]::thread::lifecycle::spawn_unchecked::<test[6ec0502068880816]::run_test::{closure#1}, ()>::{closure#1}
[INFO] [stdout]                                at /rustc/cced03bfd61a304243a34504618ecec86c17063f/library/std/src/thread/lifecycle.rs:68:26
[INFO] [stdout]   41:     0x55ca4278d0c2 - <std[929523f510218772]::thread::lifecycle::spawn_unchecked<test[6ec0502068880816]::run_test::{closure#1}, ()>::{closure#1} as core[28b146924c2f19c6]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stdout]                                at /rustc/cced03bfd61a304243a34504618ecec86c17063f/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   42:     0x55ca429ca62f - <alloc[95e62e727ddf147d]::boxed::Box<dyn core[28b146924c2f19c6]::ops::function::FnOnce<(), Output = ()> + core[28b146924c2f19c6]::marker::Send> as core[28b146924c2f19c6]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/cced03bfd61a304243a34504618ecec86c17063f/library/alloc/src/boxed.rs:2277:9
[INFO] [stdout]   43:     0x55ca429ca62f - <std[929523f510218772]::sys::thread::unix::Thread>::new::thread_start
[INFO] [stdout]                                at /rustc/cced03bfd61a304243a34504618ecec86c17063f/library/std/src/sys/thread/unix.rs:118:17
[INFO] [stdout]   44:     0x74f49b443aa4 - <unknown>
[INFO] [stdout]   45:     0x74f49b4d0a64 - 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 0.09s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass `--bin graca`
[INFO] running `Command { std: "docker" "inspect" "a319f72b73ec084ecf55f25c52a0f06204172375741f5ecf1122ee37602f0ab9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a319f72b73ec084ecf55f25c52a0f06204172375741f5ecf1122ee37602f0ab9", kill_on_drop: false }`
[INFO] [stdout] a319f72b73ec084ecf55f25c52a0f06204172375741f5ecf1122ee37602f0ab9
