[INFO] cloning repository https://github.com/brownian-motion/cast-schedule
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/brownian-motion/cast-schedule" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbrownian-motion%2Fcast-schedule", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbrownian-motion%2Fcast-schedule'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1813d8548c130d06dc444fe27ff37cb2f2bcf879
[INFO] checking brownian-motion/cast-schedule against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbrownian-motion%2Fcast-schedule" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/brownian-motion/cast-schedule on toolchain ceab6128fa48a616bfd3e3adf4bc80133b8ee223
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-5-tc1/source/rust-toolchain.toml
[INFO] started tweaking git repo https://github.com/brownian-motion/cast-schedule
[INFO] finished tweaking git repo https://github.com/brownian-motion/cast-schedule
[INFO] tweaked toml for git repo https://github.com/brownian-motion/cast-schedule written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/brownian-motion/cast-schedule 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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating git repository `https://github.com/brownian-motion/draw`
[INFO] [stderr]     Updating git repository `https://github.com/brownian-motion/futures-time`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a14e713d840e2372a5bf94bc55d6827e7ac3e48c458a58270dc7a7fa1a24b60e
[INFO] running `Command { std: "docker" "start" "-a" "a14e713d840e2372a5bf94bc55d6827e7ac3e48c458a58270dc7a7fa1a24b60e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a14e713d840e2372a5bf94bc55d6827e7ac3e48c458a58270dc7a7fa1a24b60e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a14e713d840e2372a5bf94bc55d6827e7ac3e48c458a58270dc7a7fa1a24b60e", kill_on_drop: false }`
[INFO] [stdout] a14e713d840e2372a5bf94bc55d6827e7ac3e48c458a58270dc7a7fa1a24b60e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "start" "-a" "8e4e4268dd8d305f7f811c127fe51ce8f530d2b66c5b25b223c2a43b061de30f", kill_on_drop: false }`
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[INFO] [stdout] warning: the feature `async_fn_in_trait` has been stable since 1.75.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/lib.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(async_fn_in_trait)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `async_fn_in_trait` has been stable since 1.75.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/lib.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(async_fn_in_trait)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `timezone` is never used
[INFO] [stdout]   --> src/draw/calendar.rs:26:8
[INFO] [stdout]    |
[INFO] [stdout] 18 | / impl<TZ> TimeRangeDrawer<TZ>
[INFO] [stdout] 19 | | where
[INFO] [stdout] 20 | |     TZ: TimeZone,
[INFO] [stdout]    | |_________________- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 26 |       fn timezone(&self) -> TZ {
[INFO] [stdout]    |          ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `day_end_time`, `end_of_day`, `start_of_first_day`, and `end_of_last_day` are never used
[INFO] [stdout]    --> src/draw/calendar.rs:117:8
[INFO] [stdout]     |
[INFO] [stdout] 97  | impl<TZ: TimeZone> CalendarDrawer<TZ> {
[INFO] [stdout]     | ------------------------------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 117 |     fn day_end_time(&self) -> NaiveTime {
[INFO] [stdout]     |        ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 133 |     fn end_of_day(&self, day_num: u32) -> DateTime<TZ> {
[INFO] [stdout]     |        ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 141 |     fn start_of_first_day(&self) -> DateTime<TZ> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 145 |     fn end_of_last_day(&self) -> DateTime<TZ> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of `async fn` in public traits is discouraged as auto trait bounds cannot be specified
[INFO] [stdout]  --> src/calendar/calendar.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 |     async fn get_events_on(&self, when: DefiniteTimeRange<Local>) -> Result<Vec<CalendarEvent>, CalendarError>;
[INFO] [stdout]   |     ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: you can suppress this lint if you plan to use the trait only in your own code, or do not care about auto traits like `Send` on the `Future`
[INFO] [stdout]   = note: `#[warn(async_fn_in_trait)]` on by default
[INFO] [stdout] help: you can alternatively desugar to a normal `fn` that returns `impl Future` and add any desired bounds such as `Send`, but these cannot be relaxed without a breaking API change
[INFO] [stdout]   |
[INFO] [stdout] 7 -     async fn get_events_on(&self, when: DefiniteTimeRange<Local>) -> Result<Vec<CalendarEvent>, CalendarError>;
[INFO] [stdout] 7 +     fn get_events_on(&self, when: DefiniteTimeRange<Local>) -> impl std::future::Future<Output = Result<Vec<CalendarEvent>, CalendarError>> + Send;
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `timezone` is never used
[INFO] [stdout]   --> src/draw/calendar.rs:26:8
[INFO] [stdout]    |
[INFO] [stdout] 18 | / impl<TZ> TimeRangeDrawer<TZ>
[INFO] [stdout] 19 | | where
[INFO] [stdout] 20 | |     TZ: TimeZone,
[INFO] [stdout]    | |_________________- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 26 |       fn timezone(&self) -> TZ {
[INFO] [stdout]    |          ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `day_end_time`, `end_of_day`, `start_of_first_day`, and `end_of_last_day` are never used
[INFO] [stdout]    --> src/draw/calendar.rs:117:8
[INFO] [stdout]     |
[INFO] [stdout] 97  | impl<TZ: TimeZone> CalendarDrawer<TZ> {
[INFO] [stdout]     | ------------------------------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 117 |     fn day_end_time(&self) -> NaiveTime {
[INFO] [stdout]     |        ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 133 |     fn end_of_day(&self, day_num: u32) -> DateTime<TZ> {
[INFO] [stdout]     |        ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 141 |     fn start_of_first_day(&self) -> DateTime<TZ> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 145 |     fn end_of_last_day(&self) -> DateTime<TZ> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of `async fn` in public traits is discouraged as auto trait bounds cannot be specified
[INFO] [stdout]  --> src/calendar/calendar.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 |     async fn get_events_on(&self, when: DefiniteTimeRange<Local>) -> Result<Vec<CalendarEvent>, CalendarError>;
[INFO] [stdout]   |     ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: you can suppress this lint if you plan to use the trait only in your own code, or do not care about auto traits like `Send` on the `Future`
[INFO] [stdout]   = note: `#[warn(async_fn_in_trait)]` on by default
[INFO] [stdout] help: you can alternatively desugar to a normal `fn` that returns `impl Future` and add any desired bounds such as `Send`, but these cannot be relaxed without a breaking API change
[INFO] [stdout]   |
[INFO] [stdout] 7 -     async fn get_events_on(&self, when: DefiniteTimeRange<Local>) -> Result<Vec<CalendarEvent>, CalendarError>;
[INFO] [stdout] 7 +     fn get_events_on(&self, when: DefiniteTimeRange<Local>) -> impl std::future::Future<Output = Result<Vec<CalendarEvent>, CalendarError>> + Send;
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `PngRenderer` is imported redundantly
[INFO] [stdout]  --> src/bin/test_image.rs:3:12
[INFO] [stdout]   |
[INFO] [stdout] 3 | use draw::{render::bitmap::PngRenderer, render::save, *};
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^                - the item `PngRenderer` is already imported here
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `PngRenderer` is imported redundantly
[INFO] [stdout]  --> src/bin/test_image.rs:3:12
[INFO] [stdout]   |
[INFO] [stdout] 3 | use draw::{render::bitmap::PngRenderer, render::save, *};
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^                - the item `PngRenderer` is already imported here
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 29.29s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: svg v0.5.12
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 3`
[INFO] running `Command { std: "docker" "inspect" "8e4e4268dd8d305f7f811c127fe51ce8f530d2b66c5b25b223c2a43b061de30f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8e4e4268dd8d305f7f811c127fe51ce8f530d2b66c5b25b223c2a43b061de30f", kill_on_drop: false }`
[INFO] [stdout] 8e4e4268dd8d305f7f811c127fe51ce8f530d2b66c5b25b223c2a43b061de30f