[INFO] cloning repository https://github.com/MrMic/Rust-ezytutors-CH03
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/MrMic/Rust-ezytutors-CH03" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMrMic%2FRust-ezytutors-CH03", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMrMic%2FRust-ezytutors-CH03'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 547083a12e239d3a7ccab42116b83b0b2e5e984f
[INFO] checking MrMic/Rust-ezytutors-CH03/547083a12e239d3a7ccab42116b83b0b2e5e984f against 012c0bd4d516934012c9a1ecb26e9eb283d2ed75 for pr-133502-29
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMrMic%2FRust-ezytutors-CH03" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/MrMic/Rust-ezytutors-CH03
[INFO] finished tweaking git repo https://github.com/MrMic/Rust-ezytutors-CH03
[INFO] tweaked toml for git repo https://github.com/MrMic/Rust-ezytutors-CH03 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/MrMic/Rust-ezytutors-CH03 on toolchain 012c0bd4d516934012c9a1ecb26e9eb283d2ed75
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+012c0bd4d516934012c9a1ecb26e9eb283d2ed75" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/MrMic/Rust-ezytutors-CH03 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" "+012c0bd4d516934012c9a1ecb26e9eb283d2ed75" "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-7-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:3111399a4047eeb3a02b7a90e478d715f38a8c6669b5c4b49d30a17385265909" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 1d5de416bb4b265aa28b79bdabe599598f18b3d5ce2f48f3f457fe7f29589b2c
[INFO] running `Command { std: "docker" "start" "1d5de416bb4b265aa28b79bdabe599598f18b3d5ce2f48f3f457fe7f29589b2c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1d5de416bb4b265aa28b79bdabe599598f18b3d5ce2f48f3f457fe7f29589b2c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "1d5de416bb4b265aa28b79bdabe599598f18b3d5ce2f48f3f457fe7f29589b2c" "/opt/rustwide/cargo-home/bin/cargo" "+012c0bd4d516934012c9a1ecb26e9eb283d2ed75" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1d5de416bb4b265aa28b79bdabe599598f18b3d5ce2f48f3f457fe7f29589b2c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "1d5de416bb4b265aa28b79bdabe599598f18b3d5ce2f48f3f457fe7f29589b2c" "/opt/rustwide/cargo-home/bin/cargo" "+012c0bd4d516934012c9a1ecb26e9eb283d2ed75" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
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[INFO] [stdout] error: set `DATABASE_URL` to use query macros online, or run `cargo sqlx prepare` to update the query cache
[INFO] [stdout]   --> tutor-db/src/bin/../iter3/db_access.rs:8:23
[INFO] [stdout]    |
[INFO] [stdout]  8 |       let course_rows = sqlx::query!(
[INFO] [stdout]    |  _______________________^
[INFO] [stdout]  9 | |         "SELECT tutor_id, course_id, course_name, posted_time FROM ezy_course_c5 WHERE tutor_id = $1",
[INFO] [stdout] 10 | |         tutor_id
[INFO] [stdout] 11 | |     )
[INFO] [stdout]    | |_____^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `$crate::sqlx_macros::expand_query` which comes from the expansion of the macro `sqlx::query` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: set `DATABASE_URL` to use query macros online, or run `cargo sqlx prepare` to update the query cache
[INFO] [stdout]   --> tutor-db/src/bin/../iter3/db_access.rs:31:22
[INFO] [stdout]    |
[INFO] [stdout] 31 |       let course_row = sqlx::query!(
[INFO] [stdout]    |  ______________________^
[INFO] [stdout] 32 | |         "SELECT tutor_id, course_id, course_name, posted_time FROM ezy_course_c4 WHERE tutor_id = $1 AND course_id = $2",
[INFO] [stdout] 33 | |         tutor_id,
[INFO] [stdout] 34 | |         course_id
[INFO] [stdout] 35 | |     )
[INFO] [stdout]    | |_____^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `$crate::sqlx_macros::expand_query` which comes from the expansion of the macro `sqlx::query` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: set `DATABASE_URL` to use query macros online, or run `cargo sqlx prepare` to update the query cache
[INFO] [stdout]   --> tutor-db/src/bin/../iter3/db_access.rs:52:22
[INFO] [stdout]    |
[INFO] [stdout] 52 |       let course_row = sqlx::query!(
[INFO] [stdout]    |  ______________________^
[INFO] [stdout] 53 | |         "INSERT INTO ezy_course_c4 (course_id,tutor_id, course_name) VALUES ($1, $2, $3) RETURNING tutor_id, course_id, course_nam...
[INFO] [stdout] 54 | |         new_course.course_id,
[INFO] [stdout] 55 | |         new_course.tutor_id,
[INFO] [stdout] 56 | |         new_course.course_name
[INFO] [stdout] 57 | |     )
[INFO] [stdout]    | |_____^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `$crate::sqlx_macros::expand_query` which comes from the expansion of the macro `sqlx::query` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: set `DATABASE_URL` to use query macros online, or run `cargo sqlx prepare` to update the query cache
[INFO] [stdout]   --> tutor-db/src/bin/../iter3/db_access.rs:8:23
[INFO] [stdout]    |
[INFO] [stdout]  8 |       let course_rows = sqlx::query!(
[INFO] [stdout]    |  _______________________^
[INFO] [stdout]  9 | |         "SELECT tutor_id, course_id, course_name, posted_time FROM ezy_course_c5 WHERE tutor_id = $1",
[INFO] [stdout] 10 | |         tutor_id
[INFO] [stdout] 11 | |     )
[INFO] [stdout]    | |_____^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `$crate::sqlx_macros::expand_query` which comes from the expansion of the macro `sqlx::query` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: set `DATABASE_URL` to use query macros online, or run `cargo sqlx prepare` to update the query cache
[INFO] [stdout]   --> tutor-db/src/bin/../iter3/db_access.rs:31:22
[INFO] [stdout]    |
[INFO] [stdout] 31 |       let course_row = sqlx::query!(
[INFO] [stdout]    |  ______________________^
[INFO] [stdout] 32 | |         "SELECT tutor_id, course_id, course_name, posted_time FROM ezy_course_c4 WHERE tutor_id = $1 AND course_id = $2",
[INFO] [stdout] 33 | |         tutor_id,
[INFO] [stdout] 34 | |         course_id
[INFO] [stdout] 35 | |     )
[INFO] [stdout]    | |_____^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `$crate::sqlx_macros::expand_query` which comes from the expansion of the macro `sqlx::query` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: set `DATABASE_URL` to use query macros online, or run `cargo sqlx prepare` to update the query cache
[INFO] [stdout]   --> tutor-db/src/bin/../iter3/db_access.rs:52:22
[INFO] [stdout]    |
[INFO] [stdout] 52 |       let course_row = sqlx::query!(
[INFO] [stdout]    |  ______________________^
[INFO] [stdout] 53 | |         "INSERT INTO ezy_course_c4 (course_id,tutor_id, course_name) VALUES ($1, $2, $3) RETURNING tutor_id, course_id, course_nam...
[INFO] [stdout] 54 | |         new_course.course_id,
[INFO] [stdout] 55 | |         new_course.tutor_id,
[INFO] [stdout] 56 | |         new_course.course_name
[INFO] [stdout] 57 | |     )
[INFO] [stdout]    | |_____^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `$crate::sqlx_macros::expand_query` which comes from the expansion of the macro `sqlx::query` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: set `DATABASE_URL` to use query macros online, or run `cargo sqlx prepare` to update the query cache
[INFO] [stdout]   --> tutor-db/src/bin/../iter4/db_access.rs:12:23
[INFO] [stdout]    |
[INFO] [stdout] 12 |       let course_rows = sqlx::query!(
[INFO] [stdout]    |  _______________________^
[INFO] [stdout] 13 | |         "SELECT tutor_id, course_id, course_name, posted_time FROM ezy_course_c4 WHERE tutor_id = $1",
[INFO] [stdout] 14 | |         tutor_id
[INFO] [stdout] 15 | |     )
[INFO] [stdout]    | |_____^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `$crate::sqlx_macros::expand_query` which comes from the expansion of the macro `sqlx::query` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: set `DATABASE_URL` to use query macros online, or run `cargo sqlx prepare` to update the query cache
[INFO] [stdout]   --> tutor-db/src/bin/../iter4/db_access.rs:44:22
[INFO] [stdout]    |
[INFO] [stdout] 44 |       let course_row = sqlx::query!(
[INFO] [stdout]    |  ______________________^
[INFO] [stdout] 45 | |         "SELECT tutor_id, course_id, course_name, posted_time FROM ezy_course_c5 WHERE tutor_id = $1 AND course_id = $2",
[INFO] [stdout] 46 | |         tutor_id,
[INFO] [stdout] 47 | |         course_id
[INFO] [stdout] 48 | |     )
[INFO] [stdout]    | |_____^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `$crate::sqlx_macros::expand_query` which comes from the expansion of the macro `sqlx::query` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: set `DATABASE_URL` to use query macros online, or run `cargo sqlx prepare` to update the query cache
[INFO] [stdout]   --> tutor-db/src/bin/../iter4/db_access.rs:73:22
[INFO] [stdout]    |
[INFO] [stdout] 73 |       let course_row = sqlx::query!(
[INFO] [stdout]    |  ______________________^
[INFO] [stdout] 74 | |         "INSERT INTO ezy_course_c5 (course_id,tutor_id, course_name) VALUES ($1, $2, $3) RETURNING tutor_id, course_id, course_nam...
[INFO] [stdout] 75 | |         new_course.course_id,
[INFO] [stdout] 76 | |         new_course.tutor_id,
[INFO] [stdout] 77 | |         new_course.course_name
[INFO] [stdout] 78 | |     )
[INFO] [stdout]    | |_____^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `$crate::sqlx_macros::expand_query` which comes from the expansion of the macro `sqlx::query` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `types::chrono`
[INFO] [stdout]  --> tutor-db/src/bin/../iter4/db_access.rs:1:30
[INFO] [stdout]   |
[INFO] [stdout] 1 | use sqlx::{postgres::PgPool, types::chrono};
[INFO] [stdout]   |                              ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: set `DATABASE_URL` to use query macros online, or run `cargo sqlx prepare` to update the query cache
[INFO] [stdout]   --> tutor-db/src/bin/iter1.rs:22:23
[INFO] [stdout]    |
[INFO] [stdout] 22 |       let course_rows = sqlx::query!(
[INFO] [stdout]    |  _______________________^
[INFO] [stdout] 23 | |         r#"select course_id, tutor_id, course_name, posted_time from ezy_course_c4 where course_id = $1"#,
[INFO] [stdout] 24 | |         1
[INFO] [stdout] 25 | |     )
[INFO] [stdout]    | |_____^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `$crate::sqlx_macros::expand_query` which comes from the expansion of the macro `sqlx::query` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method call on a diverging inference variable
[INFO] [stdout]   --> tutor-db/src/bin/../iter4/db_access.rs:21:10
[INFO] [stdout]    |
[INFO] [stdout] 21 |         .iter()
[INFO] [stdout]    |          ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider providing a type annotation
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = note: for more information, see issue #156047 <https://github.com/rust-lang/rust/issues/156047>
[INFO] [stdout]    = note: `#[warn(method_call_on_diverging_infer_var)]` (part of `#[warn(future_incompatible)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `db` is never read
[INFO] [stdout]  --> tutor-db/src/bin/../iter2/state.rs:7:9
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct AppState {
[INFO] [stdout]   |            -------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 7 |     pub db: PgPool,
[INFO] [stdout]   |         ^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: set `DATABASE_URL` to use query macros online, or run `cargo sqlx prepare` to update the query cache
[INFO] [stdout]   --> tutor-db/src/bin/../iter4/db_access.rs:12:23
[INFO] [stdout]    |
[INFO] [stdout] 12 |       let course_rows = sqlx::query!(
[INFO] [stdout]    |  _______________________^
[INFO] [stdout] 13 | |         "SELECT tutor_id, course_id, course_name, posted_time FROM ezy_course_c4 WHERE tutor_id = $1",
[INFO] [stdout] 14 | |         tutor_id
[INFO] [stdout] 15 | |     )
[INFO] [stdout]    | |_____^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `$crate::sqlx_macros::expand_query` which comes from the expansion of the macro `sqlx::query` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `tutor-db` (bin "iter1" test) due to 1 previous error
[INFO] [stdout] error: set `DATABASE_URL` to use query macros online, or run `cargo sqlx prepare` to update the query cache
[INFO] [stdout]   --> tutor-db/src/bin/../iter4/db_access.rs:44:22
[INFO] [stdout]    |
[INFO] [stdout] 44 |       let course_row = sqlx::query!(
[INFO] [stdout]    |  ______________________^
[INFO] [stdout] 45 | |         "SELECT tutor_id, course_id, course_name, posted_time FROM ezy_course_c5 WHERE tutor_id = $1 AND course_id = $2",
[INFO] [stdout] 46 | |         tutor_id,
[INFO] [stdout] 47 | |         course_id
[INFO] [stdout] 48 | |     )
[INFO] [stdout]    | |_____^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `$crate::sqlx_macros::expand_query` which comes from the expansion of the macro `sqlx::query` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: set `DATABASE_URL` to use query macros online, or run `cargo sqlx prepare` to update the query cache
[INFO] [stdout]   --> tutor-db/src/bin/../iter4/db_access.rs:73:22
[INFO] [stdout]    |
[INFO] [stdout] 73 |       let course_row = sqlx::query!(
[INFO] [stdout]    |  ______________________^
[INFO] [stdout] 74 | |         "INSERT INTO ezy_course_c5 (course_id,tutor_id, course_name) VALUES ($1, $2, $3) RETURNING tutor_id, course_id, course_nam...
[INFO] [stdout] 75 | |         new_course.course_id,
[INFO] [stdout] 76 | |         new_course.tutor_id,
[INFO] [stdout] 77 | |         new_course.course_name
[INFO] [stdout] 78 | |     )
[INFO] [stdout]    | |_____^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `$crate::sqlx_macros::expand_query` which comes from the expansion of the macro `sqlx::query` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: set `DATABASE_URL` to use query macros online, or run `cargo sqlx prepare` to update the query cache
[INFO] [stdout]   --> tutor-db/src/bin/iter1.rs:22:23
[INFO] [stdout]    |
[INFO] [stdout] 22 |       let course_rows = sqlx::query!(
[INFO] [stdout]    |  _______________________^
[INFO] [stdout] 23 | |         r#"select course_id, tutor_id, course_name, posted_time from ezy_course_c4 where course_id = $1"#,
[INFO] [stdout] 24 | |         1
[INFO] [stdout] 25 | |     )
[INFO] [stdout]    | |_____^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `$crate::sqlx_macros::expand_query` which comes from the expansion of the macro `sqlx::query` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `types::chrono`
[INFO] [stdout]  --> tutor-db/src/bin/../iter4/db_access.rs:1:30
[INFO] [stdout]   |
[INFO] [stdout] 1 | use sqlx::{postgres::PgPool, types::chrono};
[INFO] [stdout]   |                              ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `tutor-db` (bin "iter1") due to 1 previous error
[INFO] [stdout] warning: method call on a diverging inference variable
[INFO] [stdout]   --> tutor-db/src/bin/../iter4/db_access.rs:21:10
[INFO] [stdout]    |
[INFO] [stdout] 21 |         .iter()
[INFO] [stdout]    |          ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider providing a type annotation
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = note: for more information, see issue #156047 <https://github.com/rust-lang/rust/issues/156047>
[INFO] [stdout]    = note: `#[warn(method_call_on_diverging_infer_var)]` (part of `#[warn(future_incompatible)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `iter` found for type `!` in the current scope
[INFO] [stdout]   --> tutor-db/src/bin/../iter4/db_access.rs:21:10
[INFO] [stdout]    |
[INFO] [stdout] 20 |     let courses: Vec<crate::models::Course> = course_rows
[INFO] [stdout] 21 |         .iter()
[INFO] [stdout]    |          ^^^^ method not found in `!`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `tutor-db` (bin "iter3" test) due to 3 previous errors
[INFO] [stdout] warning: field `db` is never read
[INFO] [stdout]  --> tutor-db/src/bin/../iter2/state.rs:7:9
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct AppState {
[INFO] [stdout]   |            -------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 7 |     pub db: PgPool,
[INFO] [stdout]   |         ^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `tutor-db` (bin "iter3") due to 3 previous errors
[INFO] [stdout] error[E0599]: no method named `iter` found for type `!` in the current scope
[INFO] [stdout]   --> tutor-db/src/bin/../iter4/db_access.rs:21:10
[INFO] [stdout]    |
[INFO] [stdout] 20 |     let courses: Vec<crate::models::Course> = course_rows
[INFO] [stdout] 21 |         .iter()
[INFO] [stdout]    |          ^^^^ method not found in `!`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0599`.
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0599`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `tutor-db` (bin "iter4") due to 4 previous errors; 3 warnings emitted
[INFO] [stderr] error: could not compile `tutor-db` (bin "iter4" test) due to 4 previous errors; 3 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "1d5de416bb4b265aa28b79bdabe599598f18b3d5ce2f48f3f457fe7f29589b2c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1d5de416bb4b265aa28b79bdabe599598f18b3d5ce2f48f3f457fe7f29589b2c", kill_on_drop: false }`
[INFO] [stdout] 1d5de416bb4b265aa28b79bdabe599598f18b3d5ce2f48f3f457fe7f29589b2c
