[INFO] cloning repository https://github.com/dgunther2001/Rust_Linked_List [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/dgunther2001/Rust_Linked_List" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdgunther2001%2FRust_Linked_List", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdgunther2001%2FRust_Linked_List'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] ff02fa9b5e6b6a0e76acd2c5966816b5667d6ca8 [INFO] checking dgunther2001/Rust_Linked_List/ff02fa9b5e6b6a0e76acd2c5966816b5667d6ca8 against try#ccf408f4326a858c00dd845a64a86b16f360a801 for pr-129466-2 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdgunther2001%2FRust_Linked_List" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/dgunther2001/Rust_Linked_List on toolchain ccf408f4326a858c00dd845a64a86b16f360a801 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ccf408f4326a858c00dd845a64a86b16f360a801" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/dgunther2001/Rust_Linked_List [INFO] finished tweaking git repo https://github.com/dgunther2001/Rust_Linked_List [INFO] tweaked toml for git repo https://github.com/dgunther2001/Rust_Linked_List written to /workspace/builds/worker-0-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/dgunther2001/Rust_Linked_List 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" "+ccf408f4326a858c00dd845a64a86b16f360a801" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+ccf408f4326a858c00dd845a64a86b16f360a801" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] ad15d7971108907455d9e83760bbe3c456a28e71927a03ba0e7bfcd832e2e828 [INFO] running `Command { std: "docker" "start" "-a" "ad15d7971108907455d9e83760bbe3c456a28e71927a03ba0e7bfcd832e2e828", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "ad15d7971108907455d9e83760bbe3c456a28e71927a03ba0e7bfcd832e2e828", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ad15d7971108907455d9e83760bbe3c456a28e71927a03ba0e7bfcd832e2e828", kill_on_drop: false }` [INFO] [stdout] ad15d7971108907455d9e83760bbe3c456a28e71927a03ba0e7bfcd832e2e828 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+ccf408f4326a858c00dd845a64a86b16f360a801" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 3fd88dd84ef59ada481fa8ac3d482c27e6e290dca5a6a5bc063bab1306e7e3af [INFO] running `Command { std: "docker" "start" "-a" "3fd88dd84ef59ada481fa8ac3d482c27e6e290dca5a6a5bc063bab1306e7e3af", kill_on_drop: false }` [INFO] [stderr] Copying to /tmp/fixit [INFO] [stderr] Running `cargo fix --edition` [INFO] [stderr] Migrating Cargo.toml from 2021 edition to 2024 [INFO] [stderr] Checking dgunther2001-linked_list v1.0.8 (/tmp/fixit) [INFO] [stderr] Migrating src/lib.rs from 2021 edition to 2024 [INFO] [stderr] Fixed src/lib.rs (1 fix) [INFO] [stderr] Fixed src/linked_list.rs (2 fixes) [INFO] [stdout] warning: unused variable: `n` [INFO] [stdout] --> src/linked_list.rs:89:18 [INFO] [stdout] | [INFO] [stdout] 89 | Some(n) => { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_n` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: methods `next` and `iter` are never used [INFO] [stdout] --> src/linked_list.rs:29:8 [INFO] [stdout] | [INFO] [stdout] 21 | / impl ListNode [INFO] [stdout] 22 | | where T: Debug { [INFO] [stdout] | |______________- methods in this implementation [INFO] [stdout] ... [INFO] [stdout] 29 | fn next(&self) -> &Link { // implementation of a next function [INFO] [stdout] | ^^^^ [INFO] [stdout] ... [INFO] [stdout] 33 | fn iter(&self) { [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `get_head_ref` is never used [INFO] [stdout] --> src/linked_list.rs:229:8 [INFO] [stdout] | [INFO] [stdout] 46 | / impl LinkedList [INFO] [stdout] 47 | | where T: Debug + Clone { [INFO] [stdout] | |______________________- method in this implementation [INFO] [stdout] ... [INFO] [stdout] 229 | fn get_head_ref(&self) -> Option<&ListNode> { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: `if let` assigns a shorter lifetime since Edition 2024 [INFO] [stdout] --> src/linked_list.rs:164:19 [INFO] [stdout] | [INFO] [stdout] 164 | while let Some(n ) = node.take() { // node is not None, take its value and store it in n, and set the value where it was take... [INFO] [stdout] | ^^^^^^^^^^^^^^^----------- [INFO] [stdout] | | [INFO] [stdout] | this value has a significant drop implementation which may observe a major change in drop order and requires your discretion [INFO] [stdout] | [INFO] [stdout] = warning: this changes meaning in Rust 2024 [INFO] [stdout] = note: for more information, see issue #124085 [INFO] [stdout] help: the value is now dropped here in Edition 2024 [INFO] [stdout] --> src/linked_list.rs:172:13 [INFO] [stdout] | [INFO] [stdout] 172 | } None // if the lsit is empty, return None [INFO] [stdout] | ^ [INFO] [stdout] = note: `--force-warn if-let-rescope` implied by `--force-warn rust-2024-compatibility` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/linked_list.rs:388:17 [INFO] [stdout] | [INFO] [stdout] 388 | write!(f, "{} ", n.el); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this warning originates in the macro `write` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0412]: cannot find type `LinkedList` in this scope [INFO] [stdout] --> src/lib.rs:10:19 [INFO] [stdout] | [INFO] [stdout] 10 | let list: LinkedList = LinkedList::init_list(); [INFO] [stdout] | ^^^^^^^^^^ not found in this scope [INFO] [stdout] | [INFO] [stdout] help: consider importing one of these structs [INFO] [stdout] | [INFO] [stdout] 6 + use crate::linked_list::LinkedList; [INFO] [stdout] | [INFO] [stdout] 6 + use std::collections::LinkedList; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `LinkedList` [INFO] [stdout] --> src/lib.rs:10:37 [INFO] [stdout] | [INFO] [stdout] 10 | let list: LinkedList = LinkedList::init_list(); [INFO] [stdout] | ^^^^^^^^^^ use of undeclared type `LinkedList` [INFO] [stdout] | [INFO] [stdout] help: consider importing one of these structs [INFO] [stdout] | [INFO] [stdout] 6 + use crate::linked_list::LinkedList; [INFO] [stdout] | [INFO] [stdout] 6 + use std::collections::LinkedList; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `LinkedList` [INFO] [stdout] --> src/lib.rs:16:24 [INFO] [stdout] | [INFO] [stdout] 16 | let mut list = LinkedList::init_list(); [INFO] [stdout] | ^^^^^^^^^^ use of undeclared type `LinkedList` [INFO] [stdout] | [INFO] [stdout] help: consider importing one of these structs [INFO] [stdout] | [INFO] [stdout] 6 + use crate::linked_list::LinkedList; [INFO] [stdout] | [INFO] [stdout] 6 + use std::collections::LinkedList; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `LinkedList` [INFO] [stdout] --> src/lib.rs:26:24 [INFO] [stdout] | [INFO] [stdout] 26 | let mut list = LinkedList::init_list(); [INFO] [stdout] | ^^^^^^^^^^ use of undeclared type `LinkedList` [INFO] [stdout] | [INFO] [stdout] help: consider importing one of these structs [INFO] [stdout] | [INFO] [stdout] 6 + use crate::linked_list::LinkedList; [INFO] [stdout] | [INFO] [stdout] 6 + use std::collections::LinkedList; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `LinkedList` [INFO] [stdout] --> src/lib.rs:35:24 [INFO] [stdout] | [INFO] [stdout] 35 | let mut list = LinkedList::init_list(); [INFO] [stdout] | ^^^^^^^^^^ use of undeclared type `LinkedList` [INFO] [stdout] | [INFO] [stdout] help: consider importing one of these structs [INFO] [stdout] | [INFO] [stdout] 6 + use crate::linked_list::LinkedList; [INFO] [stdout] | [INFO] [stdout] 6 + use std::collections::LinkedList; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `LinkedList` [INFO] [stdout] --> src/lib.rs:46:24 [INFO] [stdout] | [INFO] [stdout] 46 | let mut list = LinkedList::init_list(); [INFO] [stdout] | ^^^^^^^^^^ use of undeclared type `LinkedList` [INFO] [stdout] | [INFO] [stdout] help: consider importing one of these structs [INFO] [stdout] | [INFO] [stdout] 6 + use crate::linked_list::LinkedList; [INFO] [stdout] | [INFO] [stdout] 6 + use std::collections::LinkedList; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `LinkedList` [INFO] [stdout] --> src/lib.rs:56:24 [INFO] [stdout] | [INFO] [stdout] 56 | let mut list = LinkedList::init_list(); [INFO] [stdout] | ^^^^^^^^^^ use of undeclared type `LinkedList` [INFO] [stdout] | [INFO] [stdout] help: consider importing one of these structs [INFO] [stdout] | [INFO] [stdout] 6 + use crate::linked_list::LinkedList; [INFO] [stdout] | [INFO] [stdout] 6 + use std::collections::LinkedList; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `LinkedList` [INFO] [stdout] --> src/lib.rs:66:24 [INFO] [stdout] | [INFO] [stdout] 66 | let mut list = LinkedList::init_list(); [INFO] [stdout] | ^^^^^^^^^^ use of undeclared type `LinkedList` [INFO] [stdout] | [INFO] [stdout] help: consider importing one of these structs [INFO] [stdout] | [INFO] [stdout] 6 + use crate::linked_list::LinkedList; [INFO] [stdout] | [INFO] [stdout] 6 + use std::collections::LinkedList; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `LinkedList` [INFO] [stdout] --> src/lib.rs:77:24 [INFO] [stdout] | [INFO] [stdout] 77 | let mut list = LinkedList::init_list(); [INFO] [stdout] | ^^^^^^^^^^ use of undeclared type `LinkedList` [INFO] [stdout] | [INFO] [stdout] help: consider importing one of these structs [INFO] [stdout] | [INFO] [stdout] 6 + use crate::linked_list::LinkedList; [INFO] [stdout] | [INFO] [stdout] 6 + use std::collections::LinkedList; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `LinkedList` [INFO] [stdout] --> src/lib.rs:86:24 [INFO] [stdout] | [INFO] [stdout] 86 | let mut list = LinkedList::init_list(); [INFO] [stdout] | ^^^^^^^^^^ use of undeclared type `LinkedList` [INFO] [stdout] | [INFO] [stdout] help: consider importing one of these structs [INFO] [stdout] | [INFO] [stdout] 6 + use crate::linked_list::LinkedList; [INFO] [stdout] | [INFO] [stdout] 6 + use std::collections::LinkedList; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0412]: cannot find type `LinkedList` in this scope [INFO] [stdout] --> src/lib.rs:97:23 [INFO] [stdout] | [INFO] [stdout] 97 | let mut list: LinkedList = LinkedList::init_list(); [INFO] [stdout] | ^^^^^^^^^^ not found in this scope [INFO] [stdout] | [INFO] [stdout] help: consider importing one of these structs [INFO] [stdout] | [INFO] [stdout] 6 + use crate::linked_list::LinkedList; [INFO] [stdout] | [INFO] [stdout] 6 + use std::collections::LinkedList; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `LinkedList` [INFO] [stdout] --> src/lib.rs:97:41 [INFO] [stdout] | [INFO] [stdout] 97 | let mut list: LinkedList = LinkedList::init_list(); [INFO] [stdout] | ^^^^^^^^^^ use of undeclared type `LinkedList` [INFO] [stdout] | [INFO] [stdout] help: consider importing one of these structs [INFO] [stdout] | [INFO] [stdout] 6 + use crate::linked_list::LinkedList; [INFO] [stdout] | [INFO] [stdout] 6 + use std::collections::LinkedList; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0412]: cannot find type `LinkedList` in this scope [INFO] [stdout] --> src/lib.rs:109:23 [INFO] [stdout] | [INFO] [stdout] 109 | let mut list: LinkedList = LinkedList::init_list(); [INFO] [stdout] | ^^^^^^^^^^ not found in this scope [INFO] [stdout] | [INFO] [stdout] help: consider importing one of these structs [INFO] [stdout] | [INFO] [stdout] 6 + use crate::linked_list::LinkedList; [INFO] [stdout] | [INFO] [stdout] 6 + use std::collections::LinkedList; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `LinkedList` [INFO] [stdout] --> src/lib.rs:109:41 [INFO] [stdout] | [INFO] [stdout] 109 | let mut list: LinkedList = LinkedList::init_list(); [INFO] [stdout] | ^^^^^^^^^^ use of undeclared type `LinkedList` [INFO] [stdout] | [INFO] [stdout] help: consider importing one of these structs [INFO] [stdout] | [INFO] [stdout] 6 + use crate::linked_list::LinkedList; [INFO] [stdout] | [INFO] [stdout] 6 + use std::collections::LinkedList; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `LinkedList` [INFO] [stdout] --> src/lib.rs:121:24 [INFO] [stdout] | [INFO] [stdout] 121 | let mut list = LinkedList::init_list(); [INFO] [stdout] | ^^^^^^^^^^ use of undeclared type `LinkedList` [INFO] [stdout] | [INFO] [stdout] help: consider importing one of these structs [INFO] [stdout] | [INFO] [stdout] 6 + use crate::linked_list::LinkedList; [INFO] [stdout] | [INFO] [stdout] 6 + use std::collections::LinkedList; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `LinkedList` [INFO] [stdout] --> src/lib.rs:130:24 [INFO] [stdout] | [INFO] [stdout] 130 | let mut list = LinkedList::init_list(); [INFO] [stdout] | ^^^^^^^^^^ use of undeclared type `LinkedList` [INFO] [stdout] | [INFO] [stdout] help: consider importing one of these structs [INFO] [stdout] | [INFO] [stdout] 6 + use crate::linked_list::LinkedList; [INFO] [stdout] | [INFO] [stdout] 6 + use std::collections::LinkedList; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `LinkedList` [INFO] [stdout] --> src/lib.rs:141:24 [INFO] [stdout] | [INFO] [stdout] 141 | let mut list = LinkedList::init_list(); [INFO] [stdout] | ^^^^^^^^^^ use of undeclared type `LinkedList` [INFO] [stdout] | [INFO] [stdout] help: consider importing one of these structs [INFO] [stdout] | [INFO] [stdout] 6 + use crate::linked_list::LinkedList; [INFO] [stdout] | [INFO] [stdout] 6 + use std::collections::LinkedList; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `LinkedList` [INFO] [stdout] --> src/lib.rs:152:24 [INFO] [stdout] | [INFO] [stdout] 152 | let mut list = LinkedList::init_list(); [INFO] [stdout] | ^^^^^^^^^^ use of undeclared type `LinkedList` [INFO] [stdout] | [INFO] [stdout] help: consider importing one of these structs [INFO] [stdout] | [INFO] [stdout] 6 + use crate::linked_list::LinkedList; [INFO] [stdout] | [INFO] [stdout] 6 + use std::collections::LinkedList; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `LinkedList` [INFO] [stdout] --> src/lib.rs:161:24 [INFO] [stdout] | [INFO] [stdout] 161 | let mut list = LinkedList::init_list(); [INFO] [stdout] | ^^^^^^^^^^ use of undeclared type `LinkedList` [INFO] [stdout] | [INFO] [stdout] help: consider importing one of these structs [INFO] [stdout] | [INFO] [stdout] 6 + use crate::linked_list::LinkedList; [INFO] [stdout] | [INFO] [stdout] 6 + use std::collections::LinkedList; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `LinkedList` [INFO] [stdout] --> src/lib.rs:170:24 [INFO] [stdout] | [INFO] [stdout] 170 | let mut list = LinkedList::init_list(); [INFO] [stdout] | ^^^^^^^^^^ use of undeclared type `LinkedList` [INFO] [stdout] | [INFO] [stdout] help: consider importing one of these structs [INFO] [stdout] | [INFO] [stdout] 6 + use crate::linked_list::LinkedList; [INFO] [stdout] | [INFO] [stdout] 6 + use std::collections::LinkedList; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `LinkedList` [INFO] [stdout] --> src/lib.rs:179:24 [INFO] [stdout] | [INFO] [stdout] 179 | let mut list = LinkedList::init_list(); [INFO] [stdout] | ^^^^^^^^^^ use of undeclared type `LinkedList` [INFO] [stdout] | [INFO] [stdout] help: consider importing one of these structs [INFO] [stdout] | [INFO] [stdout] 6 + use crate::linked_list::LinkedList; [INFO] [stdout] | [INFO] [stdout] 6 + use std::collections::LinkedList; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `super::*` [INFO] [stdout] --> src/lib.rs:6:9 [INFO] [stdout] | [INFO] [stdout] 6 | use super::*; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `n` [INFO] [stdout] --> src/linked_list.rs:89:18 [INFO] [stdout] | [INFO] [stdout] 89 | Some(n) => { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_n` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 21 previous errors; 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] Some errors have detailed explanations: E0412, E0433. [INFO] [stdout] [INFO] [stdout] For more information about an error, try `rustc --explain E0412`. [INFO] [stdout] [INFO] [stderr] error: could not compile `dgunther2001-linked_list` (lib test) due to 22 previous errors; 2 warnings emitted [INFO] [stderr] error: failed to migrate to next edition [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `cargo fix --edition --allow-no-vcs --allow-dirty --frozen --all --all-targets --message-format=json` (exit status: 101) [INFO] running `Command { std: "docker" "inspect" "3fd88dd84ef59ada481fa8ac3d482c27e6e290dca5a6a5bc063bab1306e7e3af", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3fd88dd84ef59ada481fa8ac3d482c27e6e290dca5a6a5bc063bab1306e7e3af", kill_on_drop: false }` [INFO] [stdout] 3fd88dd84ef59ada481fa8ac3d482c27e6e290dca5a6a5bc063bab1306e7e3af