[INFO] cloning repository https://github.com/Abdussamed-1/rust_exercise
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Abdussamed-1/rust_exercise" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAbdussamed-1%2Frust_exercise", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAbdussamed-1%2Frust_exercise'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] eae789877849d8ee1d2043981d366f4cb13047e0
[INFO] checking Abdussamed-1/rust_exercise against try#e983148bd5f0f0db270bfb72149f5e892e68b67f for pr-150322
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAbdussamed-1%2Frust_exercise" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/Abdussamed-1/rust_exercise
[INFO] finished tweaking git repo https://github.com/Abdussamed-1/rust_exercise
[INFO] tweaked toml for git repo https://github.com/Abdussamed-1/rust_exercise written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/Abdussamed-1/rust_exercise on toolchain e983148bd5f0f0db270bfb72149f5e892e68b67f
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+e983148bd5f0f0db270bfb72149f5e892e68b67f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/Abdussamed-1/rust_exercise 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" "+e983148bd5f0f0db270bfb72149f5e892e68b67f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+e983148bd5f0f0db270bfb72149f5e892e68b67f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 956b1d507d693032f40d6d8651ce49eaac088e9b2b9ec4e32e14b226e779c91a
[INFO] running `Command { std: "docker" "start" "-a" "956b1d507d693032f40d6d8651ce49eaac088e9b2b9ec4e32e14b226e779c91a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "956b1d507d693032f40d6d8651ce49eaac088e9b2b9ec4e32e14b226e779c91a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "956b1d507d693032f40d6d8651ce49eaac088e9b2b9ec4e32e14b226e779c91a", kill_on_drop: false }`
[INFO] [stdout] 956b1d507d693032f40d6d8651ce49eaac088e9b2b9ec4e32e14b226e779c91a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+e983148bd5f0f0db270bfb72149f5e892e68b67f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 14b4aadd61ef780375dd0be26b4d8a9947d6b0d2a29425839a25e30e237cb006
[INFO] running `Command { std: "docker" "start" "-a" "14b4aadd61ef780375dd0be26b4d8a9947d6b0d2a29425839a25e30e237cb006", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.103
[INFO] [stderr]    Compiling quote v1.0.42
[INFO] [stderr]    Compiling unicode-ident v1.0.22
[INFO] [stderr]     Checking common v0.1.0 (/opt/rustwide/workdir/helpers/common)
[INFO] [stderr]    Compiling libc v0.2.177
[INFO] [stderr]     Checking bytes v1.11.0
[INFO] [stderr]     Checking pin-project-lite v0.2.16
[INFO] [stderr]    Compiling parking_lot_core v0.9.12
[INFO] [stderr]     Checking smallvec v1.15.1
[INFO] [stderr]     Checking scopeguard v1.2.0
[INFO] [stderr]     Checking cfg-if v1.0.4
[INFO] [stderr]    Compiling anyhow v1.0.100
[INFO] [stderr]    Compiling serde_core v1.0.228
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]     Checking futures-core v0.3.31
[INFO] [stderr]     Checking log v0.4.28
[INFO] [stderr]    Compiling serde_json v1.0.145
[INFO] [stderr]    Compiling thiserror v2.0.17
[INFO] [stderr]     Checking memchr v2.7.6
[INFO] [stderr]    Compiling httparse v1.10.1
[INFO] [stderr]     Checking once_cell v1.21.3
[INFO] [stderr]     Checking lock_api v0.4.14
[INFO] [stderr]     Checking tower-service v0.3.3
[INFO] [stderr]     Checking futures-channel v0.3.31
[INFO] [stderr]     Checking percent-encoding v2.3.2
[INFO] [stderr]     Checking tower-layer v0.3.3
[INFO] [stderr]     Checking sync_wrapper v1.0.2
[INFO] [stderr]     Checking atomic-waker v1.1.2
[INFO] [stderr]     Checking futures-task v0.3.31
[INFO] [stderr]     Checking tracing-core v0.1.34
[INFO] [stderr]     Checking httpdate v1.0.3
[INFO] [stderr]     Checking mime v0.3.17
[INFO] [stderr]     Checking matchit v0.8.4
[INFO] [stderr]     Checking form_urlencoded v1.2.2
[INFO] [stderr]     Checking futures-util v0.3.31
[INFO] [stderr]    Compiling escargot v0.5.15
[INFO] [stderr]     Checking task_packages v0.1.0 (/opt/rustwide/workdir/TicketV2/Packages/Task)
[INFO] [stderr]     Checking task_variables v0.1.0 (/opt/rustwide/workdir/ABasicCalculator/Variables/Task)
[INFO] [stderr]     Checking task_nullability v0.1.0 (/opt/rustwide/workdir/TicketV2/Nullability/Task)
[INFO] [stderr]     Checking task_overflow_and_underflow v0.1.0 (/opt/rustwide/workdir/ABasicCalculator/OverflowAndUnderflow/Task)
[INFO] [stderr]     Checking task_vectors v0.1.0 (/opt/rustwide/workdir/TicketManagement/Vectors/Task)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]  --> ABasicCalculator/OverflowAndUnderflow/Task/src/lib.rs:2:9
[INFO] [stdout]   |
[INFO] [stdout] 2 |     let mut result: u32 = 1;
[INFO] [stdout]   |         ----^^^^^^
[INFO] [stdout]   |         |
[INFO] [stdout]   |         help: remove this `mut`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]  --> ABasicCalculator/OverflowAndUnderflow/Task/src/lib.rs:3:9
[INFO] [stdout]   |
[INFO] [stdout] 3 |     for i in 1..=n {
[INFO] [stdout]   |         ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking task_trait v0.1.0 (/opt/rustwide/workdir/Traits/Trait/Task)
[INFO] [stderr]     Checking task_derive_macros v0.1.0 (/opt/rustwide/workdir/Traits/DeriveMacros/Task)
[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] error: expected a pattern, found an expression
[INFO] [stdout]   --> ABasicCalculator/Variables/Task/src/lib.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 |     distance / time_elapsed
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^ not a pattern
[INFO] [stdout]    |
[INFO] [stdout]    = note: arbitrary expressions are not allowed in patterns: <https://doc.rust-lang.org/book/ch19-00-patterns.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0308`.
[INFO] [stdout] 
[INFO] [stdout] error: expected `;`, found `}`
[INFO] [stdout]   --> ABasicCalculator/Variables/Task/src/lib.rs:13:28
[INFO] [stdout]    |
[INFO] [stdout] 13 |     distance / time_elapsed
[INFO] [stdout]    |                            ^ help: add `;` here
[INFO] [stdout] 14 | }
[INFO] [stdout]    | - unexpected token
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `task_nullability` (lib) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]  --> ABasicCalculator/Variables/Task/src/lib.rs:8:58
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub fn speed(start: u32, end: u32, time_elapsed: u32) -> u32 {
[INFO] [stdout]   |        -----                                             ^^^ expected `u32`, found `()`
[INFO] [stdout]   |        |
[INFO] [stdout]   |        implicitly returns `()` as its body has no tail or `return` expression
[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_variables` (lib) due to 3 previous errors
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> TicketManagement/Vectors/Task/src/lib.rs:13:29
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub fn fibonacci(n: u32) -> u32 {
[INFO] [stdout]    |        ---------            ^^^ expected `u32`, found `()`
[INFO] [stdout]    |        |
[INFO] [stdout]    |        implicitly returns `()` as its body has no tail or `return` expression
[INFO] [stdout]    |
[INFO] [stdout] help: consider returning the local binding `n`
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub fn fibonacci(n: u32) -> u32 {
[INFO] [stdout] 14 ~     n
[INFO] [stdout]    |
[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_vectors` (lib) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "14b4aadd61ef780375dd0be26b4d8a9947d6b0d2a29425839a25e30e237cb006", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "14b4aadd61ef780375dd0be26b4d8a9947d6b0d2a29425839a25e30e237cb006", kill_on_drop: false }`
[INFO] [stdout] 14b4aadd61ef780375dd0be26b4d8a9947d6b0d2a29425839a25e30e237cb006
