[INFO] cloning repository https://github.com/cyt1999/student-management-system [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/cyt1999/student-management-system" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcyt1999%2Fstudent-management-system", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcyt1999%2Fstudent-management-system'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] f0bf2aeee604948b20fd7f1e8aa58726e1fafb75 [INFO] checking cyt1999/student-management-system against master#982c6f8721416431ec62bb0b9105c0578a9fc603 for pr-129329 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcyt1999%2Fstudent-management-system" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/cyt1999/student-management-system on toolchain 982c6f8721416431ec62bb0b9105c0578a9fc603 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+982c6f8721416431ec62bb0b9105c0578a9fc603" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/cyt1999/student-management-system [INFO] finished tweaking git repo https://github.com/cyt1999/student-management-system [INFO] tweaked toml for git repo https://github.com/cyt1999/student-management-system written to /workspace/builds/worker-6-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/cyt1999/student-management-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" "+982c6f8721416431ec62bb0b9105c0578a9fc603" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [ERROR] error running command: no output for 300 seconds [ERROR] this task or one of its parent failed! [ERROR] no output for 300 seconds [ERROR] note: run with `RUST_BACKTRACE=1` to display a backtrace. [INFO] checking cyt1999/student-management-system against try#fa63ef4ad80785c0f3f362275f3772bdc67c23e0 for pr-129329 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcyt1999%2Fstudent-management-system" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/cyt1999/student-management-system on toolchain fa63ef4ad80785c0f3f362275f3772bdc67c23e0 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+fa63ef4ad80785c0f3f362275f3772bdc67c23e0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/cyt1999/student-management-system [INFO] finished tweaking git repo https://github.com/cyt1999/student-management-system [INFO] tweaked toml for git repo https://github.com/cyt1999/student-management-system written to /workspace/builds/worker-6-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/cyt1999/student-management-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" "+fa63ef4ad80785c0f3f362275f3772bdc67c23e0" "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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+fa63ef4ad80785c0f3f362275f3772bdc67c23e0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 915aa725257b56c5beb16bd82b80e560b605cfd6dda5bd2ee78e0d1bb50a3187 [INFO] running `Command { std: "docker" "start" "-a" "915aa725257b56c5beb16bd82b80e560b605cfd6dda5bd2ee78e0d1bb50a3187", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "915aa725257b56c5beb16bd82b80e560b605cfd6dda5bd2ee78e0d1bb50a3187", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "915aa725257b56c5beb16bd82b80e560b605cfd6dda5bd2ee78e0d1bb50a3187", kill_on_drop: false }` [INFO] [stdout] 915aa725257b56c5beb16bd82b80e560b605cfd6dda5bd2ee78e0d1bb50a3187 [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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+fa63ef4ad80785c0f3f362275f3772bdc67c23e0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] ae48df1c3ceeb7412b727d74b34a4dbaa7fc7116258c34d73d247f67a77de8d4 [INFO] running `Command { std: "docker" "start" "-a" "ae48df1c3ceeb7412b727d74b34a4dbaa7fc7116258c34d73d247f67a77de8d4", kill_on_drop: false }` [INFO] [stderr] Checking student-management-system v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: fields `id`, `name`, and `age` are never read [INFO] [stdout] --> src/main.rs:6:5 [INFO] [stdout] | [INFO] [stdout] 5 | struct Student { [INFO] [stdout] | ------- fields in this struct [INFO] [stdout] 6 | id: u64, [INFO] [stdout] | ^^ [INFO] [stdout] 7 | name: String, [INFO] [stdout] | ^^^^ [INFO] [stdout] 8 | age: u32, [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Student` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `id` and `name` are never read [INFO] [stdout] --> src/main.rs:17:5 [INFO] [stdout] | [INFO] [stdout] 16 | struct Club { [INFO] [stdout] | ---- fields in this struct [INFO] [stdout] 17 | id: u64, [INFO] [stdout] | ^^ [INFO] [stdout] 18 | name: String, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Club` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `id` and `name` are never read [INFO] [stdout] --> src/main.rs:31:5 [INFO] [stdout] | [INFO] [stdout] 30 | struct Class { [INFO] [stdout] | ----- fields in this struct [INFO] [stdout] 31 | id: u64, [INFO] [stdout] | ^^ [INFO] [stdout] 32 | name: String, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Class` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `id` and `name` are never read [INFO] [stdout] --> src/main.rs:39:5 [INFO] [stdout] | [INFO] [stdout] 38 | struct Course { [INFO] [stdout] | ------ fields in this struct [INFO] [stdout] 39 | id: u64, [INFO] [stdout] | ^^ [INFO] [stdout] 40 | name: String, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Course` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: multiple methods are never used [INFO] [stdout] --> src/main.rs:73:8 [INFO] [stdout] | [INFO] [stdout] 57 | impl StudentManagementSystem { [INFO] [stdout] | ---------------------------- methods in this implementation [INFO] [stdout] ... [INFO] [stdout] 73 | fn update_student(&mut self, student_id: u64, new_name: String, new_age: u32) { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 86 | fn delete_student(&mut self, student_id: u64) { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 99 | fn update_club(&mut self, club_id: u64, new_name: String) { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 109 | fn delete_club(&mut self, club_id: u64) { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 123 | fn update_class(&mut self, class_id: u64, new_name: String) { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 133 | fn delete_class(&mut self, class_id: u64) { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 146 | fn update_course(&mut self, course_id: u64, new_name: String) { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 156 | fn delete_course(&mut self, course_id: u64) { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 171 | fn remove_student_from_course(&mut self, student_id: u64, course_id: u64) { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 192 | fn leave_club(&mut self, student_id: u64, club_id: u64) { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 212 | fn unassign_student_from_class(&mut self, student_id: u64) { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `id`, `name`, and `age` are never read [INFO] [stdout] --> src/main.rs:6:5 [INFO] [stdout] | [INFO] [stdout] 5 | struct Student { [INFO] [stdout] | ------- fields in this struct [INFO] [stdout] 6 | id: u64, [INFO] [stdout] | ^^ [INFO] [stdout] 7 | name: String, [INFO] [stdout] | ^^^^ [INFO] [stdout] 8 | age: u32, [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Student` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `id` and `name` are never read [INFO] [stdout] --> src/main.rs:17:5 [INFO] [stdout] | [INFO] [stdout] 16 | struct Club { [INFO] [stdout] | ---- fields in this struct [INFO] [stdout] 17 | id: u64, [INFO] [stdout] | ^^ [INFO] [stdout] 18 | name: String, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Club` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `id` and `name` are never read [INFO] [stdout] --> src/main.rs:31:5 [INFO] [stdout] | [INFO] [stdout] 30 | struct Class { [INFO] [stdout] | ----- fields in this struct [INFO] [stdout] 31 | id: u64, [INFO] [stdout] | ^^ [INFO] [stdout] 32 | name: String, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Class` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `id` and `name` are never read [INFO] [stdout] --> src/main.rs:39:5 [INFO] [stdout] | [INFO] [stdout] 38 | struct Course { [INFO] [stdout] | ------ fields in this struct [INFO] [stdout] 39 | id: u64, [INFO] [stdout] | ^^ [INFO] [stdout] 40 | name: String, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Course` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: multiple methods are never used [INFO] [stdout] --> src/main.rs:73:8 [INFO] [stdout] | [INFO] [stdout] 57 | impl StudentManagementSystem { [INFO] [stdout] | ---------------------------- methods in this implementation [INFO] [stdout] ... [INFO] [stdout] 73 | fn update_student(&mut self, student_id: u64, new_name: String, new_age: u32) { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 86 | fn delete_student(&mut self, student_id: u64) { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 99 | fn update_club(&mut self, club_id: u64, new_name: String) { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 109 | fn delete_club(&mut self, club_id: u64) { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 123 | fn update_class(&mut self, class_id: u64, new_name: String) { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 133 | fn delete_class(&mut self, class_id: u64) { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 146 | fn update_course(&mut self, course_id: u64, new_name: String) { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 156 | fn delete_course(&mut self, course_id: u64) { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 171 | fn remove_student_from_course(&mut self, student_id: u64, course_id: u64) { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 192 | fn leave_club(&mut self, student_id: u64, club_id: u64) { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 212 | fn unassign_student_from_class(&mut self, student_id: u64) { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.07s [INFO] running `Command { std: "docker" "inspect" "ae48df1c3ceeb7412b727d74b34a4dbaa7fc7116258c34d73d247f67a77de8d4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ae48df1c3ceeb7412b727d74b34a4dbaa7fc7116258c34d73d247f67a77de8d4", kill_on_drop: false }` [INFO] [stdout] ae48df1c3ceeb7412b727d74b34a4dbaa7fc7116258c34d73d247f67a77de8d4