[INFO] cloning repository https://github.com/pearl2201/rust_leetcode
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/pearl2201/rust_leetcode" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpearl2201%2Frust_leetcode", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpearl2201%2Frust_leetcode'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 69286a636b7403ce0299a6f88c94aa297454e8cb
[INFO] checking pearl2201/rust_leetcode against try#bf5ff6675cf10ce009ac02007b064a7cfc4509ac for pr-140558
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpearl2201%2Frust_leetcode" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/pearl2201/rust_leetcode on toolchain bf5ff6675cf10ce009ac02007b064a7cfc4509ac
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+bf5ff6675cf10ce009ac02007b064a7cfc4509ac" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/pearl2201/rust_leetcode
[INFO] finished tweaking git repo https://github.com/pearl2201/rust_leetcode
[INFO] tweaked toml for git repo https://github.com/pearl2201/rust_leetcode written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/pearl2201/rust_leetcode 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" "+bf5ff6675cf10ce009ac02007b064a7cfc4509ac" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+bf5ff6675cf10ce009ac02007b064a7cfc4509ac" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a8870db6c4744354e903c2571988907a726609d67c5b66be22a61be7eff34d0f
[INFO] running `Command { std: "docker" "start" "-a" "a8870db6c4744354e903c2571988907a726609d67c5b66be22a61be7eff34d0f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a8870db6c4744354e903c2571988907a726609d67c5b66be22a61be7eff34d0f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a8870db6c4744354e903c2571988907a726609d67c5b66be22a61be7eff34d0f", kill_on_drop: false }`
[INFO] [stdout] a8870db6c4744354e903c2571988907a726609d67c5b66be22a61be7eff34d0f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+bf5ff6675cf10ce009ac02007b064a7cfc4509ac" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 299424b57465266fbdf233cf4bcaf35c6e508d8bc11bd80e6c9081eb37903404
[INFO] running `Command { std: "docker" "start" "-a" "299424b57465266fbdf233cf4bcaf35c6e508d8bc11bd80e6c9081eb37903404", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.153
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling crossbeam-utils v0.8.19
[INFO] [stderr]    Compiling proc-macro2 v1.0.81
[INFO] [stderr]    Compiling unicode-ident v1.0.12
[INFO] [stderr]     Checking either v1.11.0
[INFO] [stderr]    Compiling rayon-core v1.12.1
[INFO] [stderr]     Checking ppv-lite86 v0.2.17
[INFO] [stderr]    Compiling serde v1.0.198
[INFO] [stderr]    Compiling autocfg v1.2.0
[INFO] [stderr]    Compiling serde_json v1.0.116
[INFO] [stderr]     Checking anstyle v1.0.6
[INFO] [stderr]     Checking itoa v1.0.11
[INFO] [stderr]     Checking regex-syntax v0.8.3
[INFO] [stderr]     Checking ryu v1.0.17
[INFO] [stderr]     Checking ciborium-io v0.2.2
[INFO] [stderr]     Checking half v2.4.1
[INFO] [stderr]     Checking clap_lex v0.7.0
[INFO] [stderr]     Checking plotters-backend v0.3.5
[INFO] [stderr]     Checking cast v0.3.0
[INFO] [stderr]     Checking same-file v1.0.6
[INFO] [stderr]     Checking anes v0.1.6
[INFO] [stderr]     Checking once_cell v1.19.0
[INFO] [stderr]     Checking itertools v0.10.5
[INFO] [stderr]     Checking oorandom v11.1.3
[INFO] [stderr]     Checking walkdir v2.5.0
[INFO] [stderr]     Checking clap_builder v4.5.2
[INFO] [stderr]     Checking plotters-svg v0.3.5
[INFO] [stderr]    Compiling num-traits v0.2.18
[INFO] [stderr]     Checking ciborium-ll v0.2.2
[INFO] [stderr]     Checking crossbeam-epoch v0.9.18
[INFO] [stderr]    Compiling quote v1.0.36
[INFO] [stderr]     Checking crossbeam-deque v0.8.5
[INFO] [stderr]    Compiling syn v2.0.60
[INFO] [stderr]     Checking getrandom v0.2.14
[INFO] [stderr]     Checking is-terminal v0.4.12
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking regex-automata v0.4.6
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking clap v4.5.4
[INFO] [stderr]     Checking criterion-plot v0.5.0
[INFO] [stderr]     Checking rayon v1.10.0
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking plotters v0.3.5
[INFO] [stderr]     Checking regex v1.10.4
[INFO] [stderr]    Compiling serde_derive v1.0.198
[INFO] [stderr]     Checking rust_leetcode v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `mem::swap`
[INFO] [stdout]  --> src/sorting.rs:1:27
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{fmt::Debug, fs, mem::swap};
[INFO] [stdout]   |                           ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::helper`
[INFO] [stdout]  --> src/sorting.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use crate::helper;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> src/data_structures/queue.rs:76:38
[INFO] [stdout]    |
[INFO] [stdout] 76 |     pub fn delete_head(&mut self) -> Option<T> {}
[INFO] [stdout]    |            -----------               ^^^^^^^^^ expected `Option<T>`, found `()`
[INFO] [stdout]    |            |
[INFO] [stdout]    |            implicitly returns `()` as its body has no tail or `return` expression
[INFO] [stdout]    |
[INFO] [stdout]    = note:   expected enum `Option<T>`
[INFO] [stdout]            found unit type `()`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> src/data_structures/queue.rs:78:38
[INFO] [stdout]    |
[INFO] [stdout] 78 |     pub fn delete_tail(&mut self) -> Option<T> {}
[INFO] [stdout]    |            -----------               ^^^^^^^^^ expected `Option<T>`, found `()`
[INFO] [stdout]    |            |
[INFO] [stdout]    |            implicitly returns `()` as its body has no tail or `return` expression
[INFO] [stdout]    |
[INFO] [stdout]    = note:   expected enum `Option<T>`
[INFO] [stdout]            found unit type `()`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> src/data_structures/queue.rs:80:49
[INFO] [stdout]    |
[INFO] [stdout] 80 |     pub fn delete_ith(&mut self, index: u32) -> Option<T> {}
[INFO] [stdout]    |            ----------                           ^^^^^^^^^ expected `Option<T>`, found `()`
[INFO] [stdout]    |            |
[INFO] [stdout]    |            implicitly returns `()` as its body has no tail or `return` expression
[INFO] [stdout]    |
[INFO] [stdout]    = note:   expected enum `Option<T>`
[INFO] [stdout]            found unit type `()`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> src/data_structures/queue.rs:82:38
[INFO] [stdout]    |
[INFO] [stdout] 82 |     pub fn get(&self, index: i32) -> Option<&T> {}
[INFO] [stdout]    |            ---                       ^^^^^^^^^^ expected `Option<&T>`, found `()`
[INFO] [stdout]    |            |
[INFO] [stdout]    |            implicitly returns `()` as its body has no tail or `return` expression
[INFO] [stdout]    |
[INFO] [stdout]    = note:   expected enum `Option<&T>`
[INFO] [stdout]            found unit type `()`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> src/data_structures/queue.rs:84:68
[INFO] [stdout]    |
[INFO] [stdout] 84 |     fn get_ith_node(node: Option<NonNull<Node<T>>>, index: i32) -> Option<NonNull<Node<T>>> {}
[INFO] [stdout]    |        ------------                                                ^^^^^^^^^^^^^^^^^^^^^^^^ expected `Option<NonNull<Node<T>>>`, found `()`
[INFO] [stdout]    |        |
[INFO] [stdout]    |        implicitly returns `()` as its body has no tail or `return` expression
[INFO] [stdout]    |
[INFO] [stdout]    = note:   expected enum `Option<NonNull<Node<T>>>`
[INFO] [stdout]            found unit type `()`
[INFO] [stdout] help: consider returning the local binding `node`
[INFO] [stdout]    |
[INFO] [stdout] 84 |     fn get_ith_node(node: Option<NonNull<Node<T>>>, index: i32) -> Option<NonNull<Node<T>>> { node }
[INFO] [stdout]    |                                                                                               ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `temp`
[INFO] [stdout]  --> src/sorting.rs:5:13
[INFO] [stdout]   |
[INFO] [stdout] 5 |     let mut temp: i32;
[INFO] [stdout]   |             ^^^^ help: if this is intentional, prefix it with an underscore: `_temp`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `obj`
[INFO] [stdout]   --> src/data_structures/queue.rs:72:38
[INFO] [stdout]    |
[INFO] [stdout] 72 |     pub fn insert_at_tail(&mut self, obj: T) {}
[INFO] [stdout]    |                                      ^^^ help: if this is intentional, prefix it with an underscore: `_obj`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `index`
[INFO] [stdout]   --> src/data_structures/queue.rs:74:37
[INFO] [stdout]    |
[INFO] [stdout] 74 |     pub fn insert_at_ith(&mut self, index: u32, obj: T) {}
[INFO] [stdout]    |                                     ^^^^^ help: if this is intentional, prefix it with an underscore: `_index`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `obj`
[INFO] [stdout]   --> src/data_structures/queue.rs:74:49
[INFO] [stdout]    |
[INFO] [stdout] 74 |     pub fn insert_at_ith(&mut self, index: u32, obj: T) {}
[INFO] [stdout]    |                                                 ^^^ help: if this is intentional, prefix it with an underscore: `_obj`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0308`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rust_leetcode` (lib) due to 5 previous errors; 6 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "299424b57465266fbdf233cf4bcaf35c6e508d8bc11bd80e6c9081eb37903404", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "299424b57465266fbdf233cf4bcaf35c6e508d8bc11bd80e6c9081eb37903404", kill_on_drop: false }`
[INFO] [stdout] 299424b57465266fbdf233cf4bcaf35c6e508d8bc11bd80e6c9081eb37903404
