[INFO] cloning repository https://github.com/5255b64/tintin_rust_lesson_3
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/5255b64/tintin_rust_lesson_3" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F5255b64%2Ftintin_rust_lesson_3", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F5255b64%2Ftintin_rust_lesson_3'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f7c2ba8490311b558129be1400706452b97e680e
[INFO] building 5255b64/tintin_rust_lesson_3 against try#334963c956d25708feab489a3816ae63f639355d for pr-135216
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F5255b64%2Ftintin_rust_lesson_3" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/5255b64/tintin_rust_lesson_3 on toolchain 334963c956d25708feab489a3816ae63f639355d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+334963c956d25708feab489a3816ae63f639355d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/5255b64/tintin_rust_lesson_3
[INFO] finished tweaking git repo https://github.com/5255b64/tintin_rust_lesson_3
[INFO] tweaked toml for git repo https://github.com/5255b64/tintin_rust_lesson_3 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/5255b64/tintin_rust_lesson_3 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" "+334963c956d25708feab489a3816ae63f639355d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+334963c956d25708feab489a3816ae63f639355d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f07c0815611ea07cc8f2e010d28720f5a8f59f3edf12464c1f196a383ab0ad1e
[INFO] running `Command { std: "docker" "start" "-a" "f07c0815611ea07cc8f2e010d28720f5a8f59f3edf12464c1f196a383ab0ad1e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f07c0815611ea07cc8f2e010d28720f5a8f59f3edf12464c1f196a383ab0ad1e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f07c0815611ea07cc8f2e010d28720f5a8f59f3edf12464c1f196a383ab0ad1e", kill_on_drop: false }`
[INFO] [stdout] f07c0815611ea07cc8f2e010d28720f5a8f59f3edf12464c1f196a383ab0ad1e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+334963c956d25708feab489a3816ae63f639355d" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ab18ecbcbb0734f245a006f15848ebbc726338c8341b26eb7fc227ca60188dc0
[INFO] running `Command { std: "docker" "start" "-a" "ab18ecbcbb0734f245a006f15848ebbc726338c8341b26eb7fc227ca60188dc0", kill_on_drop: false }`
[INFO] [stderr]    Compiling tintin_rust_lesson_3 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: fields `name`, `age`, and `gender` are never read
[INFO] [stdout]  --> src/student.rs:7:9
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub struct Student {
[INFO] [stdout]   |            ------- fields in this struct
[INFO] [stdout] 6 |     pub id:u32,
[INFO] [stdout] 7 |     pub name:String,
[INFO] [stdout]   |         ^^^^
[INFO] [stdout] 8 |     pub age:u8,
[INFO] [stdout]   |         ^^^
[INFO] [stdout] 9 |     pub gender:Gender
[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/club.rs:7:9
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub struct Club<'a>{
[INFO] [stdout]   |            ---- fields in this struct
[INFO] [stdout] 7 |     pub id:u32,
[INFO] [stdout]   |         ^^
[INFO] [stdout] 8 |     pub 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/class.rs:7:9
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub struct Class<'a> {
[INFO] [stdout]   |            ----- fields in this struct
[INFO] [stdout] 7 |     pub id:u32,
[INFO] [stdout]   |         ^^
[INFO] [stdout] 8 |     pub 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: method `remove` is never used
[INFO] [stdout]   --> src/class.rs:17:12
[INFO] [stdout]    |
[INFO] [stdout] 12 | impl <'a>Class<'a> {
[INFO] [stdout]    | ------------------ method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 17 |     pub fn remove(&mut self, stu:&'a Student) {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `id` and `name` are never read
[INFO] [stdout]  --> src/course.rs:7:9
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub struct Course<'a> {
[INFO] [stdout]   |            ------ fields in this struct
[INFO] [stdout] 7 |     pub id: u32,
[INFO] [stdout]   |         ^^
[INFO] [stdout] 8 |     pub 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: method `remove` is never used
[INFO] [stdout]   --> src/course.rs:17:12
[INFO] [stdout]    |
[INFO] [stdout] 12 | impl<'a> Course<'a> {
[INFO] [stdout]    | ------------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 17 |     pub fn remove(&mut self, stu: &'a Student) {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.38s
[INFO] running `Command { std: "docker" "inspect" "ab18ecbcbb0734f245a006f15848ebbc726338c8341b26eb7fc227ca60188dc0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ab18ecbcbb0734f245a006f15848ebbc726338c8341b26eb7fc227ca60188dc0", kill_on_drop: false }`
[INFO] [stdout] ab18ecbcbb0734f245a006f15848ebbc726338c8341b26eb7fc227ca60188dc0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+334963c956d25708feab489a3816ae63f639355d" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fb2fe5415c623fd33634a67b17f2cac53918463caec50cdfabe83ccb350cd6e9
[INFO] running `Command { std: "docker" "start" "-a" "fb2fe5415c623fd33634a67b17f2cac53918463caec50cdfabe83ccb350cd6e9", kill_on_drop: false }`
[INFO] [stderr]    Compiling tintin_rust_lesson_3 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: fields `name`, `age`, and `gender` are never read
[INFO] [stdout]  --> src/student.rs:7:9
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub struct Student {
[INFO] [stdout]   |            ------- fields in this struct
[INFO] [stdout] 6 |     pub id:u32,
[INFO] [stdout] 7 |     pub name:String,
[INFO] [stdout]   |         ^^^^
[INFO] [stdout] 8 |     pub age:u8,
[INFO] [stdout]   |         ^^^
[INFO] [stdout] 9 |     pub gender:Gender
[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/club.rs:7:9
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub struct Club<'a>{
[INFO] [stdout]   |            ---- fields in this struct
[INFO] [stdout] 7 |     pub id:u32,
[INFO] [stdout]   |         ^^
[INFO] [stdout] 8 |     pub 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/class.rs:7:9
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub struct Class<'a> {
[INFO] [stdout]   |            ----- fields in this struct
[INFO] [stdout] 7 |     pub id:u32,
[INFO] [stdout]   |         ^^
[INFO] [stdout] 8 |     pub 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: method `remove` is never used
[INFO] [stdout]   --> src/class.rs:17:12
[INFO] [stdout]    |
[INFO] [stdout] 12 | impl <'a>Class<'a> {
[INFO] [stdout]    | ------------------ method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 17 |     pub fn remove(&mut self, stu:&'a Student) {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `id` and `name` are never read
[INFO] [stdout]  --> src/course.rs:7:9
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub struct Course<'a> {
[INFO] [stdout]   |            ------ fields in this struct
[INFO] [stdout] 7 |     pub id: u32,
[INFO] [stdout]   |         ^^
[INFO] [stdout] 8 |     pub 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: method `remove` is never used
[INFO] [stdout]   --> src/course.rs:17:12
[INFO] [stdout]    |
[INFO] [stdout] 12 | impl<'a> Course<'a> {
[INFO] [stdout]    | ------------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 17 |     pub fn remove(&mut self, stu: &'a Student) {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.23s
[INFO] running `Command { std: "docker" "inspect" "fb2fe5415c623fd33634a67b17f2cac53918463caec50cdfabe83ccb350cd6e9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fb2fe5415c623fd33634a67b17f2cac53918463caec50cdfabe83ccb350cd6e9", kill_on_drop: false }`
[INFO] [stdout] fb2fe5415c623fd33634a67b17f2cac53918463caec50cdfabe83ccb350cd6e9
