[INFO] cloning repository https://github.com/Robertoskr/rust-avl-tree [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Robertoskr/rust-avl-tree" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRobertoskr%2Frust-avl-tree", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRobertoskr%2Frust-avl-tree'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] d81648370b46ea3cc3bc721ed750202b0002b633 [INFO] testing Robertoskr/rust-avl-tree against try#16fbf98f22730e073c09e7b03f0eafb87a295545 for pr-145628-retry-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRobertoskr%2Frust-avl-tree" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/Robertoskr/rust-avl-tree [INFO] finished tweaking git repo https://github.com/Robertoskr/rust-avl-tree [INFO] tweaked toml for git repo https://github.com/Robertoskr/rust-avl-tree written to /workspace/builds/worker-7-tc2/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/Robertoskr/rust-avl-tree on toolchain 16fbf98f22730e073c09e7b03f0eafb87a295545 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+16fbf98f22730e073c09e7b03f0eafb87a295545" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/Robertoskr/rust-avl-tree 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" "+16fbf98f22730e073c09e7b03f0eafb87a295545" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+16fbf98f22730e073c09e7b03f0eafb87a295545" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] c5f86fc420255378a7d95028ea4970961cb304814df19f4abfd0b45640724d73 [INFO] running `Command { std: "docker" "start" "-a" "c5f86fc420255378a7d95028ea4970961cb304814df19f4abfd0b45640724d73", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "c5f86fc420255378a7d95028ea4970961cb304814df19f4abfd0b45640724d73", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c5f86fc420255378a7d95028ea4970961cb304814df19f4abfd0b45640724d73", kill_on_drop: false }` [INFO] [stdout] c5f86fc420255378a7d95028ea4970961cb304814df19f4abfd0b45640724d73 [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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+16fbf98f22730e073c09e7b03f0eafb87a295545" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 77858cd919f55b6c861c8512801325e35a58ec726ef8e0b738b149de6d535720 [INFO] running `Command { std: "docker" "start" "-a" "77858cd919f55b6c861c8512801325e35a58ec726ef8e0b738b149de6d535720", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.121 [INFO] [stderr] Compiling getrandom v0.2.6 [INFO] [stderr] Compiling rand_core v0.6.3 [INFO] [stderr] Compiling rand_chacha v0.3.1 [INFO] [stderr] Compiling rand v0.8.5 [INFO] [stderr] Compiling avl v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `std::mem` [INFO] [stdout] --> src/avltree.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use std::mem; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unreachable expression [INFO] [stdout] --> src/avltree.rs:149:25 [INFO] [stdout] | [INFO] [stdout] 142 | / match result { [INFO] [stdout] 143 | | Some(mut node) => { [INFO] [stdout] 144 | | AvlTree::update_node(&mut node); [INFO] [stdout] 145 | | node = AvlTree::balance_node(node); [INFO] [stdout] ... | [INFO] [stdout] 148 | | } [INFO] [stdout] | |_________________________- any code following this `match` expression is unreachable, as all arms diverge [INFO] [stdout] 149 | result //if we return here, the result is none [INFO] [stdout] | ^^^^^^ unreachable expression [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unreachable_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unreachable expression [INFO] [stdout] --> src/avltree.rs:187:9 [INFO] [stdout] | [INFO] [stdout] 170 | / match n_childrens { [INFO] [stdout] 171 | | 0 => return None, [INFO] [stdout] 172 | | 1 => { [INFO] [stdout] 173 | | if node.left.is_some(){ [INFO] [stdout] ... | [INFO] [stdout] 184 | | _ => { unreachable!() } [INFO] [stdout] 185 | | } [INFO] [stdout] | |_________- any code following this `match` expression is unreachable, as all arms diverge [INFO] [stdout] 186 | [INFO] [stdout] 187 | None [INFO] [stdout] | ^^^^ unreachable expression [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0507]: cannot move out of `self.root` which is behind a mutable reference [INFO] [stdout] --> src/avltree.rs:133:38 [INFO] [stdout] | [INFO] [stdout] 133 | self.root = AvlTree::_delete(self.root, key); [INFO] [stdout] | ^^^^^^^^^ move occurs because `self.root` has type `Option>`, which does not implement the `Copy` trait [INFO] [stdout] | [INFO] [stdout] help: consider cloning the value if the performance cost is acceptable [INFO] [stdout] | [INFO] [stdout] 133 | self.root = AvlTree::_delete(self.root.clone(), key); [INFO] [stdout] | ++++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0004]: non-exhaustive patterns: `None` not covered [INFO] [stdout] --> src/avltree.rs:142:31 [INFO] [stdout] | [INFO] [stdout] 142 | match result { [INFO] [stdout] | ^^^^^^ pattern `None` not covered [INFO] [stdout] | [INFO] [stdout] note: `Option>` defined here [INFO] [stdout] --> /rustc/16fbf98f22730e073c09e7b03f0eafb87a295545/library/core/src/option.rs:593:1 [INFO] [stdout] ::: /rustc/16fbf98f22730e073c09e7b03f0eafb87a295545/library/core/src/option.rs:597:5 [INFO] [stdout] | [INFO] [stdout] = note: not covered [INFO] [stdout] = note: the matched value is of type `Option>` [INFO] [stdout] help: ensure that all possible cases are being handled by adding a match arm with a wildcard pattern or an explicit pattern as shown [INFO] [stdout] | [INFO] [stdout] 147 ~ }, [INFO] [stdout] 148 + None => todo!() [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/avltree.rs:181:21 [INFO] [stdout] | [INFO] [stdout] 181 | let mut node = node; [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] error[E0382]: borrow of partially moved value: `startNode` [INFO] [stdout] --> src/avltree.rs:201:22 [INFO] [stdout] | [INFO] [stdout] 194 | while let Some(actual_node) = startNode { [INFO] [stdout] | ----------- value partially moved here [INFO] [stdout] ... [INFO] [stdout] 201 | node.value = startNode.as_ref().unwrap().value; [INFO] [stdout] | ^^^^^^^^^ value borrowed here after partial move [INFO] [stdout] | [INFO] [stdout] = note: partial move occurs because value has type `Box`, which does not implement the `Copy` trait [INFO] [stdout] help: borrow this binding in the pattern to avoid moving the value [INFO] [stdout] | [INFO] [stdout] 194 | while let Some(ref actual_node) = startNode { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0382]: use of partially moved value: `node` [INFO] [stdout] --> src/avltree.rs:203:14 [INFO] [stdout] | [INFO] [stdout] 193 | let mut startNode = node.right; [INFO] [stdout] | ---------- value partially moved here [INFO] [stdout] ... [INFO] [stdout] 203 | Some(node) [INFO] [stdout] | ^^^^ value used here after partial move [INFO] [stdout] | [INFO] [stdout] = note: partial move occurs because `node.right` has type `Option>`, which does not implement the `Copy` trait [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/avltree.rs:245:13 [INFO] [stdout] | [INFO] [stdout] 245 | let mut left_right = left.right; [INFO] [stdout] | ----^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/avltree.rs:259:13 [INFO] [stdout] | [INFO] [stdout] 259 | let mut right_left = right.left; [INFO] [stdout] | ----^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] Some errors have detailed explanations: E0004, E0382, E0507. [INFO] [stdout] [INFO] [stdout] For more information about an error, try `rustc --explain E0004`. [INFO] [stdout] [INFO] [stderr] error: could not compile `avl` (bin "avl") due to 4 previous errors; 6 warnings emitted [INFO] running `Command { std: "docker" "inspect" "77858cd919f55b6c861c8512801325e35a58ec726ef8e0b738b149de6d535720", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "77858cd919f55b6c861c8512801325e35a58ec726ef8e0b738b149de6d535720", kill_on_drop: false }` [INFO] [stdout] 77858cd919f55b6c861c8512801325e35a58ec726ef8e0b738b149de6d535720