[INFO] cloning repository https://github.com/jethro-djan/tutor-mgr
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jethro-djan/tutor-mgr" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjethro-djan%2Ftutor-mgr", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjethro-djan%2Ftutor-mgr'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e20c1943dd91c90154a94fa28795cc73f6ee5ecd
[INFO] checking jethro-djan/tutor-mgr against master#eeb94be79adc9df7a09ad0b2421f16e60e6d932c for pr-152971
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjethro-djan%2Ftutor-mgr" "/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/jethro-djan/tutor-mgr
[INFO] finished tweaking git repo https://github.com/jethro-djan/tutor-mgr
[INFO] tweaked toml for git repo https://github.com/jethro-djan/tutor-mgr written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/jethro-djan/tutor-mgr on toolchain eeb94be79adc9df7a09ad0b2421f16e60e6d932c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+eeb94be79adc9df7a09ad0b2421f16e60e6d932c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/jethro-djan/tutor-mgr 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" "+eeb94be79adc9df7a09ad0b2421f16e60e6d932c" "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@sha256:61361fe0aef631f17e9d025a70c5a647956f8c671dd02950a60ad3f5cc5526d7" "/opt/rustwide/cargo-home/bin/cargo" "+eeb94be79adc9df7a09ad0b2421f16e60e6d932c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "start" "-a" "43fbddb1d61664667d8505bee66a13b898cc4b970a577d4a053a2a6a01e9819f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "43fbddb1d61664667d8505bee66a13b898cc4b970a577d4a053a2a6a01e9819f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "43fbddb1d61664667d8505bee66a13b898cc4b970a577d4a053a2a6a01e9819f", 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@sha256:61361fe0aef631f17e9d025a70c5a647956f8c671dd02950a60ad3f5cc5526d7" "/opt/rustwide/cargo-home/bin/cargo" "+eeb94be79adc9df7a09ad0b2421f16e60e6d932c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
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[INFO] [stderr]     Checking tutor-mgr v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `iced::alignment::Vertical`
[INFO] [stdout]  --> src/dashboard.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use iced::alignment::Vertical;
[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: `Task`
[INFO] [stdout]  --> src/shell.rs:9:84
[INFO] [stdout]   |
[INFO] [stdout] 9 | use iced::{Background, Border, Center, Color, Element, Font, Length, Subscription, Task, Theme};
[INFO] [stdout]   |                                                                                    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `iced::alignment::Vertical`
[INFO] [stdout]  --> src/dashboard.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use iced::alignment::Vertical;
[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: `Task`
[INFO] [stdout]  --> src/shell.rs:9:84
[INFO] [stdout]   |
[INFO] [stdout] 9 | use iced::{Background, Border, Center, Color, Element, Font, Length, Subscription, Task, Theme};
[INFO] [stdout]   |                                                                                    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `acc`
[INFO] [stdout]    --> src/domain.rs:101:42
[INFO] [stdout]     |
[INFO] [stdout] 101 |                     stds.iter().fold(0, |acc, &std| std.actual_sessions.len()) as i32;
[INFO] [stdout]     |                                          ^^^ help: if this is intentional, prefix it with an underscore: `_acc`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `acc`
[INFO] [stdout]    --> src/domain.rs:101:42
[INFO] [stdout]     |
[INFO] [stdout] 101 |                     stds.iter().fold(0, |acc, &std| std.actual_sessions.len()) as i32;
[INFO] [stdout]     |                                          ^^^ help: if this is intentional, prefix it with an underscore: `_acc`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `trend` is never read
[INFO] [stdout]    --> src/dashboard.rs:178:5
[INFO] [stdout]     |
[INFO] [stdout] 176 | struct LostRevenueSummary {
[INFO] [stdout]     |        ------------------ field in this struct
[INFO] [stdout] 177 |     amount: f32,
[INFO] [stdout] 178 |     trend: NumberTrend,
[INFO] [stdout]     |     ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `MonthlySummaryWithTrend` is never constructed
[INFO] [stdout]    --> src/dashboard.rs:186:8
[INFO] [stdout]     |
[INFO] [stdout] 186 | struct MonthlySummaryWithTrend {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `MonthlySummary` is never constructed
[INFO] [stdout]    --> src/domain.rs:156:8
[INFO] [stdout]     |
[INFO] [stdout] 156 | struct MonthlySummary {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `compute_trend_history_internal` is never used
[INFO] [stdout]    --> src/domain.rs:366:4
[INFO] [stdout]     |
[INFO] [stdout] 366 | fn compute_trend_history_internal(monthly_summaries: &[MonthlySummary]) -> TrendHistory {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `mock_monthly_summaries` is never used
[INFO] [stdout]    --> src/domain.rs:567:4
[INFO] [stdout]     |
[INFO] [stdout] 567 | fn mock_monthly_summaries() -> Vec<MonthlySummary> {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `trend` is never read
[INFO] [stdout]    --> src/dashboard.rs:178:5
[INFO] [stdout]     |
[INFO] [stdout] 176 | struct LostRevenueSummary {
[INFO] [stdout]     |        ------------------ field in this struct
[INFO] [stdout] 177 |     amount: f32,
[INFO] [stdout] 178 |     trend: NumberTrend,
[INFO] [stdout]     |     ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `MonthlySummaryWithTrend` is never constructed
[INFO] [stdout]    --> src/dashboard.rs:186:8
[INFO] [stdout]     |
[INFO] [stdout] 186 | struct MonthlySummaryWithTrend {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `MonthlySummary` is never constructed
[INFO] [stdout]    --> src/domain.rs:156:8
[INFO] [stdout]     |
[INFO] [stdout] 156 | struct MonthlySummary {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `compute_trend_history_internal` is never used
[INFO] [stdout]    --> src/domain.rs:366:4
[INFO] [stdout]     |
[INFO] [stdout] 366 | fn compute_trend_history_internal(monthly_summaries: &[MonthlySummary]) -> TrendHistory {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `mock_monthly_summaries` is never used
[INFO] [stdout]    --> src/domain.rs:567:4
[INFO] [stdout]     |
[INFO] [stdout] 567 | fn mock_monthly_summaries() -> Vec<MonthlySummary> {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 44s
[INFO] running `Command { std: "docker" "inspect" "bf8338b73ec6044e4f57563ebc2f864d44f7e8785cadbe3d1b31e6757dab22c7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bf8338b73ec6044e4f57563ebc2f864d44f7e8785cadbe3d1b31e6757dab22c7", kill_on_drop: false }`
[INFO] [stdout] bf8338b73ec6044e4f57563ebc2f864d44f7e8785cadbe3d1b31e6757dab22c7