[INFO] cloning repository https://github.com/APSN4/learning-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/APSN4/learning-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAPSN4%2Flearning-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAPSN4%2Flearning-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 79f984923df34e696cb58a3d0dab740632c2a853
[INFO] checking APSN4/learning-rust against master#f5711a55f5d5e2f942057d0f6d648dd2d8b2c37b for pr-148329
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAPSN4%2Flearning-rust" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/APSN4/learning-rust
[INFO] finished tweaking git repo https://github.com/APSN4/learning-rust
[INFO] tweaked toml for git repo https://github.com/APSN4/learning-rust written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/APSN4/learning-rust on toolchain f5711a55f5d5e2f942057d0f6d648dd2d8b2c37b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f5711a55f5d5e2f942057d0f6d648dd2d8b2c37b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/APSN4/learning-rust 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" "+f5711a55f5d5e2f942057d0f6d648dd2d8b2c37b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded socket2 v0.6.0
[INFO] [stderr]   Downloaded serde_path_to_error v0.1.17
[INFO] [stderr]   Downloaded axum-core v0.5.2
[INFO] [stderr]   Downloaded escargot v0.5.14
[INFO] [stderr]   Downloaded redox_syscall v0.5.17
[INFO] [stderr]   Downloaded serde_json v1.0.142
[INFO] [stderr]   Downloaded hyper-util v0.1.16
[INFO] [stderr]   Downloaded io-uring v0.7.9
[INFO] [stderr]   Downloaded tokio v1.47.1
[INFO] [stderr]   Downloaded proc-macro2 v1.0.96
[INFO] [stderr]   Downloaded axum v0.8.4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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" "+f5711a55f5d5e2f942057d0f6d648dd2d8b2c37b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0a518058fb04e932309cb5e96b6cf10b063fe0ac722ec5ef5b985abb78800962
[INFO] running `Command { std: "docker" "start" "-a" "0a518058fb04e932309cb5e96b6cf10b063fe0ac722ec5ef5b985abb78800962", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0a518058fb04e932309cb5e96b6cf10b063fe0ac722ec5ef5b985abb78800962", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0a518058fb04e932309cb5e96b6cf10b063fe0ac722ec5ef5b985abb78800962", kill_on_drop: false }`
[INFO] [stdout] 0a518058fb04e932309cb5e96b6cf10b063fe0ac722ec5ef5b985abb78800962
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+f5711a55f5d5e2f942057d0f6d648dd2d8b2c37b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7b93fc56304226ffd27756b43f1d920727dd69238a2ad28773765880b309cb71
[INFO] running `Command { std: "docker" "start" "-a" "7b93fc56304226ffd27756b43f1d920727dd69238a2ad28773765880b309cb71", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.96
[INFO] [stderr]     Checking common v0.1.0 (/opt/rustwide/workdir/helpers/common)
[INFO] [stderr]    Compiling libc v0.2.175
[INFO] [stderr]     Checking bytes v1.10.1
[INFO] [stderr]     Checking pin-project-lite v0.2.16
[INFO] [stderr]     Checking smallvec v1.15.1
[INFO] [stderr]    Compiling serde v1.0.219
[INFO] [stderr]     Checking once_cell v1.21.3
[INFO] [stderr]     Checking futures-core v0.3.31
[INFO] [stderr]    Compiling serde_json v1.0.142
[INFO] [stderr]    Compiling thiserror v2.0.12
[INFO] [stderr]    Compiling httparse v1.10.1
[INFO] [stderr]     Checking futures-task v0.3.31
[INFO] [stderr]     Checking tower-service v0.3.3
[INFO] [stderr]    Compiling rustversion v1.0.22
[INFO] [stderr]     Checking percent-encoding v2.3.1
[INFO] [stderr]     Checking sync_wrapper v1.0.2
[INFO] [stderr]     Checking tower-layer v0.3.3
[INFO] [stderr]     Checking mime v0.3.17
[INFO] [stderr]     Checking matchit v0.8.4
[INFO] [stderr]     Checking tracing-core v0.1.34
[INFO] [stderr]    Compiling escargot v0.5.14
[INFO] [stderr]     Checking task_packages v0.1.0 (/opt/rustwide/workdir/TicketV2/Packages/Task)
[INFO] [stderr]     Checking static_assertions v1.1.0
[INFO] [stderr]     Checking form_urlencoded v1.2.1
[INFO] [stderr]     Checking futures-util v0.3.31
[INFO] [stderr]     Checking futures-channel v0.3.31
[INFO] [stderr]     Checking task_nullability v0.1.0 (/opt/rustwide/workdir/TicketV2/Nullability/Task)
[INFO] [stderr]     Checking task_fallibility v0.1.0 (/opt/rustwide/workdir/TicketV2/Fallibility/Task)
[INFO] [stderr]     Checking task_interior_mutability v0.1.0 (/opt/rustwide/workdir/Threads/InteriorMutability/Task)
[INFO] [stderr]     Checking task_destructors v0.1.0 (/opt/rustwide/workdir/TicketV1/Destructors/Task)
[INFO] [stdout] error: expected type, found `{`
[INFO] [stdout]   --> TicketV2/Fallibility/Task/src/lib.rs:19:82
[INFO] [stdout]    |
[INFO] [stdout] 18 | impl Ticket {
[INFO] [stdout]    |             - while parsing this item list starting here
[INFO] [stdout] 19 |     pub fn new(title: String, description: String, status: Status) -> /* TODO */ {
[INFO] [stdout]    |                                                                                  ^ expected type
[INFO] [stdout] ...
[INFO] [stdout] 35 | }
[INFO] [stdout]    | - the item list ends here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: expected type, found `}`
[INFO] [stdout]   --> Threads/InteriorMutability/Task/src/lib.rs:10:1
[INFO] [stdout]    |
[INFO] [stdout]  7 | pub struct DropTracker<T> {
[INFO] [stdout]    |            ----------- while parsing this struct
[INFO] [stdout] ...
[INFO] [stdout] 10 | }
[INFO] [stdout]    | ^ expected type
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: expected type, found `)`
[INFO] [stdout]   --> Threads/InteriorMutability/Task/src/lib.rs:13:45
[INFO] [stdout]    |
[INFO] [stdout] 13 |     pub fn new(value: T, counter: /* TODO */) -> Self {
[INFO] [stdout]    |                                             ^ expected type
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `task_fallibility` (lib) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error[E0425]: cannot find value `counter` in this scope
[INFO] [stdout]   --> Threads/InteriorMutability/Task/src/lib.rs:14:23
[INFO] [stdout]    |
[INFO] [stdout] 14 |         Self { value, counter }
[INFO] [stdout]    |                       ^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::cell::RefCell`
[INFO] [stdout]  --> Threads/InteriorMutability/Task/src/lib.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::cell::RefCell;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::rc::Rc`
[INFO] [stdout]  --> Threads/InteriorMutability/Task/src/lib.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::rc::Rc;
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0425`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `task_interior_mutability` (lib) due to 3 previous errors; 2 warnings emitted
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> TicketV2/Nullability/Task/src/lib.rs:38:34
[INFO] [stdout]    |
[INFO] [stdout] 38 |     pub fn assigned_to(&self) -> Option<&String> {
[INFO] [stdout]    |            -----------           ^^^^^^^^^^^^^^^ expected `Option<&String>`, found `()`
[INFO] [stdout]    |            |
[INFO] [stdout]    |            implicitly returns `()` as its body has no tail or `return` expression
[INFO] [stdout]    |
[INFO] [stdout]    = note:   expected enum `Option<&String>`
[INFO] [stdout]            found unit type `()`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0308`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `task_nullability` (lib) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "7b93fc56304226ffd27756b43f1d920727dd69238a2ad28773765880b309cb71", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7b93fc56304226ffd27756b43f1d920727dd69238a2ad28773765880b309cb71", kill_on_drop: false }`
[INFO] [stdout] 7b93fc56304226ffd27756b43f1d920727dd69238a2ad28773765880b309cb71
