[INFO] cloning repository https://github.com/fallingyang/leetcode_rust [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/fallingyang/leetcode_rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffallingyang%2Fleetcode_rust", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffallingyang%2Fleetcode_rust'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 3a2e15ddf9cca3354b8fd81cf43f7eb45b837575 [INFO] checking fallingyang/leetcode_rust/3a2e15ddf9cca3354b8fd81cf43f7eb45b837575 against master#f609b7e0586f81fefb3523e3e17adf779ac416be for pr-129466-2 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffallingyang%2Fleetcode_rust" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/fallingyang/leetcode_rust on toolchain f609b7e0586f81fefb3523e3e17adf779ac416be [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f609b7e0586f81fefb3523e3e17adf779ac416be" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/fallingyang/leetcode_rust [INFO] finished tweaking git repo https://github.com/fallingyang/leetcode_rust [INFO] tweaked toml for git repo https://github.com/fallingyang/leetcode_rust written to /workspace/builds/worker-6-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/fallingyang/leetcode_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" "+f609b7e0586f81fefb3523e3e17adf779ac416be" "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] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+f609b7e0586f81fefb3523e3e17adf779ac416be" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] be9fc8704a485c50e0e12a32390809565ba6648981b10ac52f77dcfca3b925c5 [INFO] running `Command { std: "docker" "start" "-a" "be9fc8704a485c50e0e12a32390809565ba6648981b10ac52f77dcfca3b925c5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "be9fc8704a485c50e0e12a32390809565ba6648981b10ac52f77dcfca3b925c5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "be9fc8704a485c50e0e12a32390809565ba6648981b10ac52f77dcfca3b925c5", kill_on_drop: false }` [INFO] [stdout] be9fc8704a485c50e0e12a32390809565ba6648981b10ac52f77dcfca3b925c5 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+f609b7e0586f81fefb3523e3e17adf779ac416be" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] a60da9175ff3779aa61769546f030a0ee7e86292548db14977b45fea3c410a67 [INFO] running `Command { std: "docker" "start" "-a" "a60da9175ff3779aa61769546f030a0ee7e86292548db14977b45fea3c410a67", kill_on_drop: false }` [INFO] [stderr] Checking leetcode_rust v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] error[E0308]: mismatched types [INFO] [stdout] --> src/list/main.rs:47:34 [INFO] [stdout] | [INFO] [stdout] 47 | fn node(self, index: u32) -> Self { [INFO] [stdout] | ---- ^^^^ expected `Node`, found `()` [INFO] [stdout] | | [INFO] [stdout] | implicitly returns `()` as its body has no tail or `return` expression [INFO] [stdout] | [INFO] [stdout] = note: expected struct `Node` [INFO] [stdout] found unit type `()` [INFO] [stdout] help: consider returning the local binding `self` [INFO] [stdout] | [INFO] [stdout] 47 ~ fn node(self, index: u32) -> Self { [INFO] [stdout] 48 + self [INFO] [stdout] 49 ~ } [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0308]: mismatched types [INFO] [stdout] --> src/list/main.rs:47:34 [INFO] [stdout] | [INFO] [stdout] 47 | fn node(self, index: u32) -> Self { [INFO] [stdout] | ---- ^^^^ expected `Node`, found `()` [INFO] [stdout] | | [INFO] [stdout] | implicitly returns `()` as its body has no tail or `return` expression [INFO] [stdout] | [INFO] [stdout] = note: expected struct `Node` [INFO] [stdout] found unit type `()` [INFO] [stdout] help: consider returning the local binding `self` [INFO] [stdout] | [INFO] [stdout] 47 ~ fn node(self, index: u32) -> Self { [INFO] [stdout] 48 + self [INFO] [stdout] 49 ~ } [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0505]: cannot move out of `*self` because it is borrowed [INFO] [stdout] --> src/list/main.rs:30:32 [INFO] [stdout] | [INFO] [stdout] 29 | fn insert(&mut self, index: u32, elem: T) -> bool { [INFO] [stdout] | --------- binding `self` declared here [INFO] [stdout] 30 | self.link_before(elem, self.node(index)); [INFO] [stdout] | ---- ----------- ^^^^ move out of `*self` occurs here [INFO] [stdout] | | | [INFO] [stdout] | | borrow later used by call [INFO] [stdout] | borrow of `*self` occurs here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0505]: cannot move out of `*self` because it is borrowed [INFO] [stdout] --> src/list/main.rs:30:32 [INFO] [stdout] | [INFO] [stdout] 29 | fn insert(&mut self, index: u32, elem: T) -> bool { [INFO] [stdout] | --------- binding `self` declared here [INFO] [stdout] 30 | self.link_before(elem, self.node(index)); [INFO] [stdout] | ---- ----------- ^^^^ move out of `*self` occurs here [INFO] [stdout] | | | [INFO] [stdout] | | borrow later used by call [INFO] [stdout] | borrow of `*self` occurs here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0507]: cannot move out of `*self` which is behind a mutable reference [INFO] [stdout] --> src/list/main.rs:30:32 [INFO] [stdout] | [INFO] [stdout] 30 | self.link_before(elem, self.node(index)); [INFO] [stdout] | ^^^^ ----------- `*self` moved due to this method call [INFO] [stdout] | | [INFO] [stdout] | move occurs because `*self` has type `Node`, which does not implement the `Copy` trait [INFO] [stdout] | [INFO] [stdout] note: `Node::::node` takes ownership of the receiver `self`, which moves `*self` [INFO] [stdout] --> src/list/main.rs:47:13 [INFO] [stdout] | [INFO] [stdout] 47 | fn node(self, index: u32) -> Self { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0507]: cannot move out of `*self` which is behind a mutable reference [INFO] [stdout] --> src/list/main.rs:30:32 [INFO] [stdout] | [INFO] [stdout] 30 | self.link_before(elem, self.node(index)); [INFO] [stdout] | ^^^^ ----------- `*self` moved due to this method call [INFO] [stdout] | | [INFO] [stdout] | move occurs because `*self` has type `Node`, which does not implement the `Copy` trait [INFO] [stdout] | [INFO] [stdout] note: `Node::::node` takes ownership of the receiver `self`, which moves `*self` [INFO] [stdout] --> src/list/main.rs:47:13 [INFO] [stdout] | [INFO] [stdout] 47 | fn node(self, index: u32) -> Self { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `elem` [INFO] [stdout] --> src/list/main.rs:34:26 [INFO] [stdout] | [INFO] [stdout] 34 | fn remove(&mut self, elem: T) -> bool { [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_elem` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `elem` [INFO] [stdout] --> src/list/main.rs:34:26 [INFO] [stdout] | [INFO] [stdout] 34 | fn remove(&mut self, elem: T) -> bool { [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_elem` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `elem` [INFO] [stdout] --> src/list/main.rs:38:29 [INFO] [stdout] | [INFO] [stdout] 38 | fn link_last(&mut self, elem: T) { [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_elem` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `elem` [INFO] [stdout] --> src/list/main.rs:38:29 [INFO] [stdout] | [INFO] [stdout] 38 | fn link_last(&mut self, elem: T) { [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_elem` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `elem` [INFO] [stdout] --> src/list/main.rs:42:31 [INFO] [stdout] | [INFO] [stdout] 42 | fn link_before(&mut self, elem: T, node: Self) { [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_elem` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `elem` [INFO] [stdout] --> src/list/main.rs:42:31 [INFO] [stdout] | [INFO] [stdout] 42 | fn link_before(&mut self, elem: T, node: Self) { [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_elem` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `node` [INFO] [stdout] --> src/list/main.rs:42:40 [INFO] [stdout] | [INFO] [stdout] 42 | fn link_before(&mut self, elem: T, node: Self) { [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_node` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `node` [INFO] [stdout] --> src/list/main.rs:42:40 [INFO] [stdout] | [INFO] [stdout] 42 | fn link_before(&mut self, elem: T, node: Self) { [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_node` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 3 previous errors; 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] Some errors have detailed explanations: E0308, E0505, E0507. [INFO] [stdout] [INFO] [stdout] For more information about an error, try `rustc --explain E0308`. [INFO] [stdout] [INFO] [stdout] error: aborting due to 3 previous errors; 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] Some errors have detailed explanations: E0308, E0505, E0507. [INFO] [stdout] [INFO] [stdout] For more information about an error, try `rustc --explain E0308`. [INFO] [stdout] [INFO] [stderr] error: could not compile `leetcode_rust` (bin "list") due to 4 previous errors; 4 warnings emitted [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: could not compile `leetcode_rust` (bin "list" test) due to 4 previous errors; 4 warnings emitted [INFO] running `Command { std: "docker" "inspect" "a60da9175ff3779aa61769546f030a0ee7e86292548db14977b45fea3c410a67", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a60da9175ff3779aa61769546f030a0ee7e86292548db14977b45fea3c410a67", kill_on_drop: false }` [INFO] [stdout] a60da9175ff3779aa61769546f030a0ee7e86292548db14977b45fea3c410a67