[INFO] cloning repository https://github.com/fifthtry-community/lets-teach
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/fifthtry-community/lets-teach" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffifthtry-community%2Flets-teach", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffifthtry-community%2Flets-teach'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 97fd6f73ee024a2b9840b931cb09cab014446f02
[INFO] checking fifthtry-community/lets-teach against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffifthtry-community%2Flets-teach" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] removed /workspace/builds/worker-6-tc2/source/rust-toolchain.toml
[INFO] started tweaking git repo https://github.com/fifthtry-community/lets-teach
[INFO] finished tweaking git repo https://github.com/fifthtry-community/lets-teach
[INFO] tweaked toml for git repo https://github.com/fifthtry-community/lets-teach written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/fifthtry-community/lets-teach on toolchain 4f260f0f20b3133d20cfb50353c0221943af5796
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/fifthtry-community/lets-teach 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" "+4f260f0f20b3133d20cfb50353c0221943af5796" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] aaf617885221014fc2c99adcef58f3b5db7c4946fcbac81df3a5162d4658187c
[INFO] running `Command { std: "docker" "start" "-a" "aaf617885221014fc2c99adcef58f3b5db7c4946fcbac81df3a5162d4658187c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "aaf617885221014fc2c99adcef58f3b5db7c4946fcbac81df3a5162d4658187c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aaf617885221014fc2c99adcef58f3b5db7c4946fcbac81df3a5162d4658187c", kill_on_drop: false }`
[INFO] [stdout] aaf617885221014fc2c99adcef58f3b5db7c4946fcbac81df3a5162d4658187c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid -Dunmustuse_in_always_ok" "-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 58cdf53bded8a173df8df6ba47b2f7be1c4aa9c1ba619e601993fd801a160df3
[INFO] running `Command { std: "docker" "start" "-a" "58cdf53bded8a173df8df6ba47b2f7be1c4aa9c1ba619e601993fd801a160df3", kill_on_drop: false }`
[INFO] [stderr]     Checking memchr v2.7.4
[INFO] [stderr]    Compiling anyhow v1.0.97
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking uuid v1.15.1
[INFO] [stderr]    Compiling quote v1.0.39
[INFO] [stderr]     Checking http v1.2.0
[INFO] [stderr]     Checking form_urlencoded v1.2.1
[INFO] [stderr]     Checking rand_core v0.3.1
[INFO] [stderr]     Checking rand v0.5.6
[INFO] [stderr]    Compiling syn v2.0.100
[INFO] [stderr]    Compiling darling_core v0.20.10
[INFO] [stderr]    Compiling diesel_table_macro_syntax v0.2.0
[INFO] [stderr]    Compiling serde_derive v1.0.219
[INFO] [stderr]    Compiling thiserror-impl v2.0.12
[INFO] [stderr]    Compiling ft-derive v0.2.1
[INFO] [stderr]     Checking thiserror v2.0.12
[INFO] [stderr]    Compiling darling_macro v0.20.10
[INFO] [stderr]    Compiling darling v0.20.10
[INFO] [stderr]    Compiling dsl_auto_type v0.1.3
[INFO] [stderr]    Compiling diesel_derives v2.2.4
[INFO] [stderr]     Checking serde v1.0.219
[INFO] [stderr]     Checking chrono v0.4.40
[INFO] [stderr]     Checking serde_json v1.0.140
[INFO] [stderr]     Checking smallvec v2.0.0-alpha.10
[INFO] [stderr]     Checking serde_urlencoded v0.7.1
[INFO] [stderr]     Checking ft-sys-shared v0.2.1
[INFO] [stderr]     Checking diesel v2.2.8
[INFO] [stderr]     Checking ft-sys v0.3.0
[INFO] [stderr]     Checking ft-sdk v0.6.3
[INFO] [stderr]     Checking backend v0.1.0 (/opt/rustwide/workdir/backend)
[INFO] [stdout] error: this type will no longer be must used: ControlFlow<Result<Infallible, Infallible>, i64>
[INFO] [stdout]   --> backend/src/schema.rs:23:10
[INFO] [stdout]    |
[INFO] [stdout] 23 | #[derive(diesel::Queryable, diesel::Selectable)]
[INFO] [stdout]    |          ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<i64, Infallible>
[INFO] [stdout]   --> backend/src/schema.rs:23:10
[INFO] [stdout]    |
[INFO] [stdout] 23 | #[derive(diesel::Queryable, diesel::Selectable)]
[INFO] [stdout]    |          ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the derive macro `diesel::Queryable` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: ControlFlow<Result<Infallible, Infallible>, i64>
[INFO] [stdout]   --> backend/src/schema.rs:23:10
[INFO] [stdout]    |
[INFO] [stdout] 23 | #[derive(diesel::Queryable, diesel::Selectable)]
[INFO] [stdout]    |          ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: ControlFlow<Result<Infallible, Infallible>, std::string::String>
[INFO] [stdout]   --> backend/src/schema.rs:23:10
[INFO] [stdout]    |
[INFO] [stdout] 23 | #[derive(diesel::Queryable, diesel::Selectable)]
[INFO] [stdout]    |          ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]   --> backend/src/schema.rs:23:10
[INFO] [stdout]    |
[INFO] [stdout] 23 | #[derive(diesel::Queryable, diesel::Selectable)]
[INFO] [stdout]    |          ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the derive macro `diesel::Queryable` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: ControlFlow<Result<Infallible, Infallible>, std::string::String>
[INFO] [stdout]   --> backend/src/schema.rs:23:10
[INFO] [stdout]    |
[INFO] [stdout] 23 | #[derive(diesel::Queryable, diesel::Selectable)]
[INFO] [stdout]    |          ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: ControlFlow<Result<Infallible, Infallible>, DateTime<Utc>>
[INFO] [stdout]   --> backend/src/schema.rs:23:10
[INFO] [stdout]    |
[INFO] [stdout] 23 | #[derive(diesel::Queryable, diesel::Selectable)]
[INFO] [stdout]    |          ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<DateTime<Utc>, Infallible>
[INFO] [stdout]   --> backend/src/schema.rs:23:10
[INFO] [stdout]    |
[INFO] [stdout] 23 | #[derive(diesel::Queryable, diesel::Selectable)]
[INFO] [stdout]    |          ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the derive macro `diesel::Queryable` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: ControlFlow<Result<Infallible, Infallible>, DateTime<Utc>>
[INFO] [stdout]   --> backend/src/schema.rs:23:10
[INFO] [stdout]    |
[INFO] [stdout] 23 | #[derive(diesel::Queryable, diesel::Selectable)]
[INFO] [stdout]    |          ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `backend` (lib test) due to 9 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: this type will no longer be must used: ControlFlow<Result<Infallible, Infallible>, i64>
[INFO] [stdout]   --> backend/src/schema.rs:23:10
[INFO] [stdout]    |
[INFO] [stdout] 23 | #[derive(diesel::Queryable, diesel::Selectable)]
[INFO] [stdout]    |          ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<i64, Infallible>
[INFO] [stdout]   --> backend/src/schema.rs:23:10
[INFO] [stdout]    |
[INFO] [stdout] 23 | #[derive(diesel::Queryable, diesel::Selectable)]
[INFO] [stdout]    |          ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the derive macro `diesel::Queryable` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: ControlFlow<Result<Infallible, Infallible>, i64>
[INFO] [stdout]   --> backend/src/schema.rs:23:10
[INFO] [stdout]    |
[INFO] [stdout] 23 | #[derive(diesel::Queryable, diesel::Selectable)]
[INFO] [stdout]    |          ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: ControlFlow<Result<Infallible, Infallible>, std::string::String>
[INFO] [stdout]   --> backend/src/schema.rs:23:10
[INFO] [stdout]    |
[INFO] [stdout] 23 | #[derive(diesel::Queryable, diesel::Selectable)]
[INFO] [stdout]    |          ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]   --> backend/src/schema.rs:23:10
[INFO] [stdout]    |
[INFO] [stdout] 23 | #[derive(diesel::Queryable, diesel::Selectable)]
[INFO] [stdout]    |          ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the derive macro `diesel::Queryable` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: ControlFlow<Result<Infallible, Infallible>, std::string::String>
[INFO] [stdout]   --> backend/src/schema.rs:23:10
[INFO] [stdout]    |
[INFO] [stdout] 23 | #[derive(diesel::Queryable, diesel::Selectable)]
[INFO] [stdout]    |          ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: ControlFlow<Result<Infallible, Infallible>, DateTime<Utc>>
[INFO] [stdout]   --> backend/src/schema.rs:23:10
[INFO] [stdout]    |
[INFO] [stdout] 23 | #[derive(diesel::Queryable, diesel::Selectable)]
[INFO] [stdout]    |          ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<DateTime<Utc>, Infallible>
[INFO] [stdout]   --> backend/src/schema.rs:23:10
[INFO] [stdout]    |
[INFO] [stdout] 23 | #[derive(diesel::Queryable, diesel::Selectable)]
[INFO] [stdout]    |          ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the derive macro `diesel::Queryable` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: ControlFlow<Result<Infallible, Infallible>, DateTime<Utc>>
[INFO] [stdout]   --> backend/src/schema.rs:23:10
[INFO] [stdout]    |
[INFO] [stdout] 23 | #[derive(diesel::Queryable, diesel::Selectable)]
[INFO] [stdout]    |          ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `backend` (lib) due to 9 previous errors
[INFO] running `Command { std: "docker" "inspect" "58cdf53bded8a173df8df6ba47b2f7be1c4aa9c1ba619e601993fd801a160df3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "58cdf53bded8a173df8df6ba47b2f7be1c4aa9c1ba619e601993fd801a160df3", kill_on_drop: false }`
[INFO] [stdout] 58cdf53bded8a173df8df6ba47b2f7be1c4aa9c1ba619e601993fd801a160df3
