[INFO] cloning repository https://github.com/SyedUmer123/course-feedback-system
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/SyedUmer123/course-feedback-system" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSyedUmer123%2Fcourse-feedback-system", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSyedUmer123%2Fcourse-feedback-system'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 437f613e67d352641ff10f2a5284d7d6155fb64c
[INFO] checking SyedUmer123/course-feedback-system against try#b047d5f4496a7526d91d0dddea494c05853f2a7b for pr-122661-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSyedUmer123%2Fcourse-feedback-system" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
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[INFO] removed /workspace/builds/worker-6-tc2/source/rust-toolchain.toml
[INFO] started tweaking git repo https://github.com/SyedUmer123/course-feedback-system
[INFO] finished tweaking git repo https://github.com/SyedUmer123/course-feedback-system
[INFO] tweaked toml for git repo https://github.com/SyedUmer123/course-feedback-system written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/SyedUmer123/course-feedback-system on toolchain b047d5f4496a7526d91d0dddea494c05853f2a7b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b047d5f4496a7526d91d0dddea494c05853f2a7b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/SyedUmer123/course-feedback-system 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" "+b047d5f4496a7526d91d0dddea494c05853f2a7b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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:cf8efcab8866f2cf4285301c7418e2f4f2a9b088c91ba69c40d5b659f81557f7" "/opt/rustwide/cargo-home/bin/cargo" "+b047d5f4496a7526d91d0dddea494c05853f2a7b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0d762bde0a039480f6ef701906d5f7cc9cf7c25147c280efd457bf6c46101962
[INFO] running `Command { std: "docker" "start" "-a" "0d762bde0a039480f6ef701906d5f7cc9cf7c25147c280efd457bf6c46101962", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0d762bde0a039480f6ef701906d5f7cc9cf7c25147c280efd457bf6c46101962", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0d762bde0a039480f6ef701906d5f7cc9cf7c25147c280efd457bf6c46101962", kill_on_drop: false }`
[INFO] [stdout] 0d762bde0a039480f6ef701906d5f7cc9cf7c25147c280efd457bf6c46101962
[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" "-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:cf8efcab8866f2cf4285301c7418e2f4f2a9b088c91ba69c40d5b659f81557f7" "/opt/rustwide/cargo-home/bin/cargo" "+b047d5f4496a7526d91d0dddea494c05853f2a7b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 93eb98602251ca92f52374e01512803bce1e5ab172d9e5d912d8633b95a8139b
[INFO] running `Command { std: "docker" "start" "-a" "93eb98602251ca92f52374e01512803bce1e5ab172d9e5d912d8633b95a8139b", kill_on_drop: false }`
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[INFO] [stderr]     Checking sqlx-core v0.7.4
[INFO] [stderr]     Checking sqlx-mysql v0.7.4
[INFO] [stderr]    Compiling sqlx-macros-core v0.7.4
[INFO] [stderr]    Compiling sqlx-macros v0.7.4
[INFO] [stderr]     Checking sqlx v0.7.4
[INFO] [stderr]     Checking course_feedback_system v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: error communicating with database: Connection refused (os error 111)
[INFO] [stdout]    --> src/main.rs:173:18
[INFO] [stdout]     |
[INFO] [stdout] 173 |       let result = sqlx::query!(
[INFO] [stdout]     |  __________________^
[INFO] [stdout] 174 | |         r#"
[INFO] [stdout] 175 | |         INSERT INTO feedback (course_id, student_id, content, rating)
[INFO] [stdout] 176 | |         VALUES (?, ?, ?, ?)
[INFO] [stdout] ...   |
[INFO] [stdout] 181 | |         payload.rating
[INFO] [stdout] 182 | |     )
[INFO] [stdout]     | |_____^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `$crate::sqlx_macros::expand_query` which comes from the expansion of the macro `sqlx::query` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: error communicating with database: Connection refused (os error 111)
[INFO] [stdout]    --> src/main.rs:173:18
[INFO] [stdout]     |
[INFO] [stdout] 173 |       let result = sqlx::query!(
[INFO] [stdout]     |  __________________^
[INFO] [stdout] 174 | |         r#"
[INFO] [stdout] 175 | |         INSERT INTO feedback (course_id, student_id, content, rating)
[INFO] [stdout] 176 | |         VALUES (?, ?, ?, ?)
[INFO] [stdout] ...   |
[INFO] [stdout] 181 | |         payload.rating
[INFO] [stdout] 182 | |     )
[INFO] [stdout]     | |_____^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `$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: error communicating with database: Connection refused (os error 111)
[INFO] [stdout]    --> src/main.rs:199:18
[INFO] [stdout]     |
[INFO] [stdout] 199 |       let result = sqlx::query!(
[INFO] [stdout]     |  __________________^
[INFO] [stdout] 200 | |         r#"
[INFO] [stdout] 201 | |         INSERT INTO courses (name, description, instructor_id)
[INFO] [stdout] 202 | |         VALUES (?, ?, ?)
[INFO] [stdout] ...   |
[INFO] [stdout] 206 | |         payload.instructor_id
[INFO] [stdout] 207 | |     )
[INFO] [stdout]     | |_____^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `$crate::sqlx_macros::expand_query` which comes from the expansion of the macro `sqlx::query` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: error communicating with database: Connection refused (os error 111)
[INFO] [stdout]    --> src/main.rs:199:18
[INFO] [stdout]     |
[INFO] [stdout] 199 |       let result = sqlx::query!(
[INFO] [stdout]     |  __________________^
[INFO] [stdout] 200 | |         r#"
[INFO] [stdout] 201 | |         INSERT INTO courses (name, description, instructor_id)
[INFO] [stdout] 202 | |         VALUES (?, ?, ?)
[INFO] [stdout] ...   |
[INFO] [stdout] 206 | |         payload.instructor_id
[INFO] [stdout] 207 | |     )
[INFO] [stdout]     | |_____^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `$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: error communicating with database: Connection refused (os error 111)
[INFO] [stdout]    --> src/main.rs:225:18
[INFO] [stdout]     |
[INFO] [stdout] 225 |       let result = sqlx::query!(
[INFO] [stdout]     |  __________________^
[INFO] [stdout] 226 | |         "DELETE FROM feedback WHERE id = ?",
[INFO] [stdout] 227 | |         feedback_id
[INFO] [stdout] 228 | |     )
[INFO] [stdout]     | |_____^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `$crate::sqlx_macros::expand_query` which comes from the expansion of the macro `sqlx::query` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: error communicating with database: Connection refused (os error 111)
[INFO] [stdout]    --> src/main.rs:225:18
[INFO] [stdout]     |
[INFO] [stdout] 225 |       let result = sqlx::query!(
[INFO] [stdout]     |  __________________^
[INFO] [stdout] 226 | |         "DELETE FROM feedback WHERE id = ?",
[INFO] [stdout] 227 | |         feedback_id
[INFO] [stdout] 228 | |     )
[INFO] [stdout]     | |_____^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `$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: error communicating with database: Connection refused (os error 111)
[INFO] [stdout]    --> src/main.rs:246:30
[INFO] [stdout]     |
[INFO] [stdout] 246 |       let user_with_password = sqlx::query!(
[INFO] [stdout]     |  ______________________________^
[INFO] [stdout] 247 | |         "SELECT id, username, role, password_hash FROM users WHERE username = ?",
[INFO] [stdout] 248 | |         payload.username
[INFO] [stdout] 249 | |     )
[INFO] [stdout]     | |_____^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `$crate::sqlx_macros::expand_query` which comes from the expansion of the macro `sqlx::query` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: error communicating with database: Connection refused (os error 111)
[INFO] [stdout]    --> src/main.rs:246:30
[INFO] [stdout]     |
[INFO] [stdout] 246 |       let user_with_password = sqlx::query!(
[INFO] [stdout]     |  ______________________________^
[INFO] [stdout] 247 | |         "SELECT id, username, role, password_hash FROM users WHERE username = ?",
[INFO] [stdout] 248 | |         payload.username
[INFO] [stdout] 249 | |     )
[INFO] [stdout]     | |_____^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `$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: error communicating with database: Connection refused (os error 111)
[INFO] [stdout]    --> src/main.rs:304:18
[INFO] [stdout]     |
[INFO] [stdout] 304 |       let result = sqlx::query!(
[INFO] [stdout]     |  __________________^
[INFO] [stdout] 305 | |         "INSERT INTO users (username, password_hash, role) VALUES (?, ?, ?)",
[INFO] [stdout] 306 | |         payload.username,
[INFO] [stdout] 307 | |         hashed_password,
[INFO] [stdout] 308 | |         payload.role
[INFO] [stdout] 309 | |     )
[INFO] [stdout]     | |_____^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `$crate::sqlx_macros::expand_query` which comes from the expansion of the macro `sqlx::query` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: error communicating with database: Connection refused (os error 111)
[INFO] [stdout]    --> src/main.rs:304:18
[INFO] [stdout]     |
[INFO] [stdout] 304 |       let result = sqlx::query!(
[INFO] [stdout]     |  __________________^
[INFO] [stdout] 305 | |         "INSERT INTO users (username, password_hash, role) VALUES (?, ?, ?)",
[INFO] [stdout] 306 | |         payload.username,
[INFO] [stdout] 307 | |         hashed_password,
[INFO] [stdout] 308 | |         payload.role
[INFO] [stdout] 309 | |     )
[INFO] [stdout]     | |_____^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `$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 `course_feedback_system` (bin "course_feedback_system" test) due to 5 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `course_feedback_system` (bin "course_feedback_system") due to 5 previous errors
[INFO] running `Command { std: "docker" "inspect" "93eb98602251ca92f52374e01512803bce1e5ab172d9e5d912d8633b95a8139b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "93eb98602251ca92f52374e01512803bce1e5ab172d9e5d912d8633b95a8139b", kill_on_drop: false }`
[INFO] [stdout] 93eb98602251ca92f52374e01512803bce1e5ab172d9e5d912d8633b95a8139b