[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] 00f4bec5a2aa721b8e824df943c9c62f0655c637
[INFO] checking Abdussamed-1/rust_exercise against try#54cf65b8d066c082e536455049b95943cf30378f for pr-151920
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAbdussamed-1%2Frust_exercise" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-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-2-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/Abdussamed-1/rust_exercise on toolchain 54cf65b8d066c082e536455049b95943cf30378f
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+54cf65b8d066c082e536455049b95943cf30378f" "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" "+54cf65b8d066c082e536455049b95943cf30378f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:61361fe0aef631f17e9d025a70c5a647956f8c671dd02950a60ad3f5cc5526d7" "/opt/rustwide/cargo-home/bin/cargo" "+54cf65b8d066c082e536455049b95943cf30378f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e165624a02c93e6910e43714060cd700636bca670b6d496859d8109e5f0fc7b9
[INFO] running `Command { std: "docker" "start" "-a" "e165624a02c93e6910e43714060cd700636bca670b6d496859d8109e5f0fc7b9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e165624a02c93e6910e43714060cd700636bca670b6d496859d8109e5f0fc7b9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e165624a02c93e6910e43714060cd700636bca670b6d496859d8109e5f0fc7b9", kill_on_drop: false }`
[INFO] [stdout] e165624a02c93e6910e43714060cd700636bca670b6d496859d8109e5f0fc7b9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:61361fe0aef631f17e9d025a70c5a647956f8c671dd02950a60ad3f5cc5526d7" "/opt/rustwide/cargo-home/bin/cargo" "+54cf65b8d066c082e536455049b95943cf30378f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6440745a759bb1aa07ddfed4bc89440ba5783d778d237dd789dc744504bfd648
[INFO] running `Command { std: "docker" "start" "-a" "6440745a759bb1aa07ddfed4bc89440ba5783d778d237dd789dc744504bfd648", kill_on_drop: false }`
[INFO] [stderr]     Checking common v0.1.0 (/opt/rustwide/workdir/helpers/common)
[INFO] [stderr]    Compiling libc v0.2.177
[INFO] [stderr]     Checking log v0.4.28
[INFO] [stderr]    Compiling serde_json v1.0.145
[INFO] [stderr]     Checking http v1.3.1
[INFO] [stderr]     Checking sync_wrapper v1.0.2
[INFO] [stderr]    Compiling syn v2.0.110
[INFO] [stderr]     Checking tracing-core v0.1.34
[INFO] [stderr]     Checking futures-task v0.3.31
[INFO] [stderr]     Checking serde_path_to_error v0.1.20
[INFO] [stderr]     Checking matchit v0.8.4
[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_scoped_threads v0.1.0 (/opt/rustwide/workdir/Threads/ScopedThreads/Task)
[INFO] [stderr]     Checking task_branching_if_let_and_let_else v0.1.0 (/opt/rustwide/workdir/TicketV2/BranchingIfLetAndLetElse/Task)
[INFO] [stderr]     Checking task_ownership v0.1.0 (/opt/rustwide/workdir/TicketV1/Ownership/Task)
[INFO] [stderr]     Checking task_nullability v0.1.0 (/opt/rustwide/workdir/TicketV2/Nullability/Task)
[INFO] [stderr]     Checking task_loops_for v0.1.0 (/opt/rustwide/workdir/ABasicCalculator/LoopsFor/Task)
[INFO] [stderr]     Checking task_variants_with_data v0.1.0 (/opt/rustwide/workdir/TicketV2/VariantsWithData/Task)
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]  --> ABasicCalculator/LoopsFor/Task/src/lib.rs:2:29
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub fn factorial(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] 2 | pub fn factorial(n: u32) -> u32 {
[INFO] [stdout] 3 ~     n
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `task_loops_for` (lib) due to 1 previous error
[INFO] [stdout] For more information about this error, try `rustc --explain E0308`.
[INFO] [stdout] 
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error[E0425]: cannot find value `m` in this scope
[INFO] [stdout]   --> TicketV2/VariantsWithData/Task/src/lib.rs:41:9
[INFO] [stdout]    |
[INFO] [stdout] 41 |         m/* 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] [stderr] error: could not compile `task_variants_with_data` (lib) due to 1 previous error
[INFO] [stdout] error: unexpected closing delimiter: `}`
[INFO] [stdout]   --> TicketV1/Ownership/Task/src/lib.rs:45:6
[INFO] [stdout]    |
[INFO] [stdout] 12 | impl Ticket {
[INFO] [stdout]    |             - this delimiter might not be properly closed...
[INFO] [stdout] ...
[INFO] [stdout] 40 |     }}
[INFO] [stdout]    |      - ...as it matches this but it has different indentation
[INFO] [stdout] ...
[INFO] [stdout] 45 |     }}
[INFO] [stdout]    |      ^ unexpected closing delimiter
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]  --> Threads/ScopedThreads/Task/src/lib.rs:5:28
[INFO] [stdout]   |
[INFO] [stdout] 5 | 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] [stderr] error: could not compile `task_ownership` (lib) due to 1 previous error
[INFO] [stderr] error: could not compile `task_scoped_threads` (lib) due to 1 previous error
[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_branching_if_let_and_let_else` (lib) due to 1 previous error
[INFO] [stdout] For more information about this error, try `rustc --explain E0308`.
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> TicketV2/BranchingIfLetAndLetElse/Task/src/lib.rs:10:29
[INFO] [stdout]    |
[INFO] [stdout] 10 |     pub fn radius(&self) -> f64 {
[INFO] [stdout]    |            ------           ^^^ expected `f64`, 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_nullability` (lib) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "6440745a759bb1aa07ddfed4bc89440ba5783d778d237dd789dc744504bfd648", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6440745a759bb1aa07ddfed4bc89440ba5783d778d237dd789dc744504bfd648", kill_on_drop: false }`
[INFO] [stdout] 6440745a759bb1aa07ddfed4bc89440ba5783d778d237dd789dc744504bfd648
