[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 master#f2c70877a7dbc51cd98e2d5d25209b24d4a586d5 for pr-150097
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAbdussamed-1%2Frust_exercise" "/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/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-0-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/Abdussamed-1/rust_exercise on toolchain f2c70877a7dbc51cd98e2d5d25209b24d4a586d5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f2c70877a7dbc51cd98e2d5d25209b24d4a586d5" "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" "+f2c70877a7dbc51cd98e2d5d25209b24d4a586d5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded escargot v0.5.15
[INFO] [stderr]   Downloaded axum-core v0.5.5
[INFO] [stderr]   Downloaded axum v0.8.7
[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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+f2c70877a7dbc51cd98e2d5d25209b24d4a586d5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3d2fa74ac234082a79cd2609d5360e5fc38a35d4fcb0f0590b2bf3d2c47a2c80
[INFO] running `Command { std: "docker" "start" "-a" "3d2fa74ac234082a79cd2609d5360e5fc38a35d4fcb0f0590b2bf3d2c47a2c80", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3d2fa74ac234082a79cd2609d5360e5fc38a35d4fcb0f0590b2bf3d2c47a2c80", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3d2fa74ac234082a79cd2609d5360e5fc38a35d4fcb0f0590b2bf3d2c47a2c80", kill_on_drop: false }`
[INFO] [stdout] 3d2fa74ac234082a79cd2609d5360e5fc38a35d4fcb0f0590b2bf3d2c47a2c80
[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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+f2c70877a7dbc51cd98e2d5d25209b24d4a586d5" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4c4ba6c8155b09639cdd0e24a4b9ba8edf9a13af8c241031dfb2b1b6411195ed
[INFO] running `Command { std: "docker" "start" "-a" "4c4ba6c8155b09639cdd0e24a4b9ba8edf9a13af8c241031dfb2b1b6411195ed", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v2.0.110
[INFO] [stderr]     Checking common v0.1.0 (/opt/rustwide/workdir/helpers/common)
[INFO] [stderr]    Compiling serde_core v1.0.228
[INFO] [stderr]     Checking lock_api v0.4.14
[INFO] [stderr]     Checking log v0.4.28
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]     Checking http v1.3.1
[INFO] [stderr]     Checking signal-hook-registry v1.4.6
[INFO] [stderr]     Checking tracing-core v0.1.34
[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_ticket_v2_intro v0.1.0 (/opt/rustwide/workdir/TicketV2/Introduction/Ticket v2 - Introduction)
[INFO] [stderr]     Checking task_copy_trait v0.1.0 (/opt/rustwide/workdir/Traits/CopyTrait/Task)
[INFO] [stderr]     Checking task_variables v0.1.0 (/opt/rustwide/workdir/ABasicCalculator/Variables/Task)
[INFO] [stderr]     Checking task_fallibility v0.1.0 (/opt/rustwide/workdir/TicketV2/Fallibility/Task)
[INFO] [stderr]     Checking task_nullability v0.1.0 (/opt/rustwide/workdir/TicketV2/Nullability/Task)
[INFO] [stderr]     Checking task_deref_trait v0.1.0 (/opt/rustwide/workdir/Traits/DerefTrait/Task)
[INFO] [stderr]     Checking task_error_trait v0.1.0 (/opt/rustwide/workdir/TicketV2/ErrorTrait/Task)
[INFO] [stderr]     Checking task_leaking_memory v0.1.0 (/opt/rustwide/workdir/Threads/LeakingMemory/Task)
[INFO] [stdout] warning: field `value` is never read
[INFO] [stdout]  --> Traits/CopyTrait/Task/src/lib.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub struct WrappingU32 {
[INFO] [stdout]   |            ----------- field in this struct
[INFO] [stdout] 4 |     value: u32,
[INFO] [stdout]   |     ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking task_stack v0.1.0 (/opt/rustwide/workdir/TicketV1/Stack/Task)
[INFO] [stdout] error: unexpected closing delimiter: `}`
[INFO] [stdout]   --> TicketV2/ErrorTrait/Task/src/lib.rs:12:1
[INFO] [stdout]    |
[INFO] [stdout]  7 | pub enum TicketNewError {
[INFO] [stdout]    |                         - this opening brace...
[INFO] [stdout] ...
[INFO] [stdout] 10 | }
[INFO] [stdout]    | - ...matches this closing brace
[INFO] [stdout] 11 | /* TODO */
[INFO] [stdout] 12 | }/* TODO */{}
[INFO] [stdout]    | ^ unexpected closing delimiter
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `task_error_trait` (lib) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[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 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] 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] [stdout] warning: unused import: `std::thread`
[INFO] [stdout]  --> Threads/LeakingMemory/Task/src/lib.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::thread;
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]  --> Threads/LeakingMemory/Task/src/lib.rs:8:28
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub fn sum(v: Vec<i32>) -> i32 {
[INFO] [stdout]   |        ---                 ^^^ expected `i32`, 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] [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] error[E0425]: cannot find value `s` in this scope
[INFO] [stdout]   --> Traits/DerefTrait/Task/src/lib.rs:23:9
[INFO] [stdout]    |
[INFO] [stdout] 23 |         s/* TODO */    }
[INFO] [stdout]    |         ^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `s` in this scope
[INFO] [stdout]   --> Traits/DerefTrait/Task/src/lib.rs:26:9
[INFO] [stdout]    |
[INFO] [stdout] 26 |         s/* TODO */    }
[INFO] [stdout]    |         ^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0425`.
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0308`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `task_fallibility` (lib) due to 1 previous error
[INFO] [stderr] error: could not compile `task_variables` (lib) due to 3 previous errors
[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] [stderr] error: could not compile `task_deref_trait` (lib) due to 2 previous errors
[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] [stderr] error: could not compile `task_leaking_memory` (lib) due to 1 previous error; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "4c4ba6c8155b09639cdd0e24a4b9ba8edf9a13af8c241031dfb2b1b6411195ed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4c4ba6c8155b09639cdd0e24a4b9ba8edf9a13af8c241031dfb2b1b6411195ed", kill_on_drop: false }`
[INFO] [stdout] 4c4ba6c8155b09639cdd0e24a4b9ba8edf9a13af8c241031dfb2b1b6411195ed
