[INFO] cloning repository https://github.com/bsjhx/too-many-linked-lists [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/bsjhx/too-many-linked-lists" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbsjhx%2Ftoo-many-linked-lists", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbsjhx%2Ftoo-many-linked-lists'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] dfffc07f635d3152af55f4f58932034189310015 [INFO] checking bsjhx/too-many-linked-lists/dfffc07f635d3152af55f4f58932034189310015 against try#ccf408f4326a858c00dd845a64a86b16f360a801 for pr-129466-2 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbsjhx%2Ftoo-many-linked-lists" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/bsjhx/too-many-linked-lists 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/bsjhx/too-many-linked-lists [INFO] finished tweaking git repo https://github.com/bsjhx/too-many-linked-lists [INFO] tweaked toml for git repo https://github.com/bsjhx/too-many-linked-lists written to /workspace/builds/worker-3-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/bsjhx/too-many-linked-lists 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-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 5f112d760952f500539bf004b6a232b8e4977f8932f202418069fb2b76529da0 [INFO] running `Command { std: "docker" "start" "-a" "5f112d760952f500539bf004b6a232b8e4977f8932f202418069fb2b76529da0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "5f112d760952f500539bf004b6a232b8e4977f8932f202418069fb2b76529da0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5f112d760952f500539bf004b6a232b8e4977f8932f202418069fb2b76529da0", kill_on_drop: false }` [INFO] [stdout] 5f112d760952f500539bf004b6a232b8e4977f8932f202418069fb2b76529da0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] db7956c7eca3a6c6a2736cb8a9f3515a972336dafa1c3fa3f32a88ef5ea5c7b5 [INFO] running `Command { std: "docker" "start" "-a" "db7956c7eca3a6c6a2736cb8a9f3515a972336dafa1c3fa3f32a88ef5ea5c7b5", 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 lists v0.1.0 (/tmp/fixit) [INFO] [stderr] Migrating src/lib.rs from 2021 edition to 2024 [INFO] [stderr] Fixed src/third.rs (1 fix) [INFO] [stdout] warning: `if let` assigns a shorter lifetime since Edition 2024 [INFO] [stdout] --> src/first.rs:50:15 [INFO] [stdout] | [INFO] [stdout] 50 | while let Link::More(mut boxed_node) = cur_link { [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/first.rs:55:9 [INFO] [stdout] | [INFO] [stdout] 55 | } [INFO] [stdout] | ^ [INFO] [stdout] = note: `--force-warn if-let-rescope` implied by `--force-warn rust-2024-compatibility` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: `if let` assigns a shorter lifetime since Edition 2024 [INFO] [stdout] --> src/second.rs:106:15 [INFO] [stdout] | [INFO] [stdout] 106 | while let Some(_) = cur_link { [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/second.rs:111:9 [INFO] [stdout] | [INFO] [stdout] 111 | } [INFO] [stdout] | ^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: `if let` assigns a shorter lifetime since Edition 2024 [INFO] [stdout] --> src/third.rs:59:15 [INFO] [stdout] | [INFO] [stdout] 59 | while let Some(node) = head { [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/third.rs:65:9 [INFO] [stdout] | [INFO] [stdout] 65 | } [INFO] [stdout] | ^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Fixed src/second.rs (1 fix) [INFO] [stderr] Fixed src/first.rs (1 fix) [INFO] [stdout] warning: variant `More` is never constructed [INFO] [stdout] --> src/first.rs:9:5 [INFO] [stdout] | [INFO] [stdout] 7 | enum Link { [INFO] [stdout] | ---- variant in this enum [INFO] [stdout] 8 | Empty, [INFO] [stdout] 9 | More(Box) [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `elem` is never read [INFO] [stdout] --> src/first.rs:13:5 [INFO] [stdout] | [INFO] [stdout] 12 | struct Node { [INFO] [stdout] | ---- field in this struct [INFO] [stdout] 13 | elem: i32, [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated items `new`, `push`, and `pop` are never used [INFO] [stdout] --> src/first.rs:18:8 [INFO] [stdout] | [INFO] [stdout] 17 | impl List { [INFO] [stdout] | --------- associated items in this implementation [INFO] [stdout] 18 | fn new() -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 24 | fn push(&mut self, elem: i32) { [INFO] [stdout] | ^^^^ [INFO] [stdout] ... [INFO] [stdout] 33 | fn pop(&mut self) -> Option { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: `if let` assigns a shorter lifetime since Edition 2024 [INFO] [stdout] --> src/first.rs:50:15 [INFO] [stdout] | [INFO] [stdout] 50 | while let Link::More(mut boxed_node) = cur_link { [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/first.rs:55:9 [INFO] [stdout] | [INFO] [stdout] 55 | } [INFO] [stdout] | ^ [INFO] [stdout] = note: `--force-warn if-let-rescope` implied by `--force-warn rust-2024-compatibility` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: `if let` assigns a shorter lifetime since Edition 2024 [INFO] [stdout] --> src/second.rs:106:15 [INFO] [stdout] | [INFO] [stdout] 106 | while let Some(_) = cur_link { [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/second.rs:111:9 [INFO] [stdout] | [INFO] [stdout] 111 | } [INFO] [stdout] | ^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: `if let` assigns a shorter lifetime since Edition 2024 [INFO] [stdout] --> src/third.rs:59:15 [INFO] [stdout] | [INFO] [stdout] 59 | while let Some(node) = head { [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/third.rs:65:9 [INFO] [stdout] | [INFO] [stdout] 65 | } [INFO] [stdout] | ^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 6 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.26s [INFO] [stderr] Running `cargo check` to verify 2024 [INFO] [stderr] Checking lists v0.1.0 (/tmp/fixit) [INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `List` [INFO] [stdout] --> src/first.rs:65:24 [INFO] [stdout] | [INFO] [stdout] 65 | let mut list = List::new(); [INFO] [stdout] | ^^^^ use of undeclared type `List` [INFO] [stdout] | [INFO] [stdout] help: consider importing one of these structs [INFO] [stdout] | [INFO] [stdout] 63 + use crate::first::List; [INFO] [stdout] | [INFO] [stdout] 63 + use crate::fourth::List; [INFO] [stdout] | [INFO] [stdout] 63 + use crate::second::List; [INFO] [stdout] | [INFO] [stdout] 63 + use crate::third::List; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `List` [INFO] [stdout] --> src/second.rs:120:24 [INFO] [stdout] | [INFO] [stdout] 120 | let mut list = List::new(); [INFO] [stdout] | ^^^^ use of undeclared type `List` [INFO] [stdout] | [INFO] [stdout] help: consider importing one of these structs [INFO] [stdout] | [INFO] [stdout] 118 + use crate::first::List; [INFO] [stdout] | [INFO] [stdout] 118 + use crate::fourth::List; [INFO] [stdout] | [INFO] [stdout] 118 + use crate::second::List; [INFO] [stdout] | [INFO] [stdout] 118 + use crate::third::List; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `List` [INFO] [stdout] --> src/second.rs:149:24 [INFO] [stdout] | [INFO] [stdout] 149 | let mut list = List::new(); [INFO] [stdout] | ^^^^ use of undeclared type `List` [INFO] [stdout] | [INFO] [stdout] help: consider importing one of these structs [INFO] [stdout] | [INFO] [stdout] 118 + use crate::first::List; [INFO] [stdout] | [INFO] [stdout] 118 + use crate::fourth::List; [INFO] [stdout] | [INFO] [stdout] 118 + use crate::second::List; [INFO] [stdout] | [INFO] [stdout] 118 + use crate::third::List; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `List` [INFO] [stdout] --> src/second.rs:168:24 [INFO] [stdout] | [INFO] [stdout] 168 | let mut list = List::new(); [INFO] [stdout] | ^^^^ use of undeclared type `List` [INFO] [stdout] | [INFO] [stdout] help: consider importing one of these structs [INFO] [stdout] | [INFO] [stdout] 118 + use crate::first::List; [INFO] [stdout] | [INFO] [stdout] 118 + use crate::fourth::List; [INFO] [stdout] | [INFO] [stdout] 118 + use crate::second::List; [INFO] [stdout] | [INFO] [stdout] 118 + use crate::third::List; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `List` [INFO] [stdout] --> src/second.rs:182:24 [INFO] [stdout] | [INFO] [stdout] 182 | let mut list = List::new(); [INFO] [stdout] | ^^^^ use of undeclared type `List` [INFO] [stdout] | [INFO] [stdout] help: consider importing one of these structs [INFO] [stdout] | [INFO] [stdout] 118 + use crate::first::List; [INFO] [stdout] | [INFO] [stdout] 118 + use crate::fourth::List; [INFO] [stdout] | [INFO] [stdout] 118 + use crate::second::List; [INFO] [stdout] | [INFO] [stdout] 118 + use crate::third::List; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `List` [INFO] [stdout] --> src/second.rs:193:24 [INFO] [stdout] | [INFO] [stdout] 193 | let mut list = List::new(); [INFO] [stdout] | ^^^^ use of undeclared type `List` [INFO] [stdout] | [INFO] [stdout] help: consider importing one of these structs [INFO] [stdout] | [INFO] [stdout] 118 + use crate::first::List; [INFO] [stdout] | [INFO] [stdout] 118 + use crate::fourth::List; [INFO] [stdout] | [INFO] [stdout] 118 + use crate::second::List; [INFO] [stdout] | [INFO] [stdout] 118 + use crate::third::List; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant `More` is never constructed [INFO] [stdout] --> src/first.rs:9:5 [INFO] [stdout] | [INFO] [stdout] 7 | enum Link { [INFO] [stdout] | ---- variant in this enum [INFO] [stdout] 8 | Empty, [INFO] [stdout] 9 | More(Box) [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `elem` is never read [INFO] [stdout] --> src/first.rs:13:5 [INFO] [stdout] | [INFO] [stdout] 12 | struct Node { [INFO] [stdout] | ---- field in this struct [INFO] [stdout] 13 | elem: i32, [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated items `new`, `push`, and `pop` are never used [INFO] [stdout] --> src/first.rs:18:8 [INFO] [stdout] | [INFO] [stdout] 17 | impl List { [INFO] [stdout] | --------- associated items in this implementation [INFO] [stdout] 18 | fn new() -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 24 | fn push(&mut self, elem: i32) { [INFO] [stdout] | ^^^^ [INFO] [stdout] ... [INFO] [stdout] 33 | fn pop(&mut self) -> Option { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 6 previous errors [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0433`. [INFO] [stdout] [INFO] [stderr] error: could not compile `lists` (lib test) due to 7 previous errors [INFO] [stderr] error: failed to check after updating to 2024 [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `cargo check --frozen --all --all-targets --message-format=json` (exit status: 101) [INFO] running `Command { std: "docker" "inspect" "db7956c7eca3a6c6a2736cb8a9f3515a972336dafa1c3fa3f32a88ef5ea5c7b5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "db7956c7eca3a6c6a2736cb8a9f3515a972336dafa1c3fa3f32a88ef5ea5c7b5", kill_on_drop: false }` [INFO] [stdout] db7956c7eca3a6c6a2736cb8a9f3515a972336dafa1c3fa3f32a88ef5ea5c7b5