[INFO] cloning repository https://github.com/jsq1234/rust-practice [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jsq1234/rust-practice" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjsq1234%2Frust-practice", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjsq1234%2Frust-practice'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 1d7252741b14c1af3c908a0e713b932a6fb00e5c [INFO] checking jsq1234/rust-practice against master#1f12b9b0fdbe735968ac002792a720f0ba4faca6 for crater-rollup-uwu [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjsq1234%2Frust-practice" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/jsq1234/rust-practice on toolchain 1f12b9b0fdbe735968ac002792a720f0ba4faca6 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/jsq1234/rust-practice [INFO] finished tweaking git repo https://github.com/jsq1234/rust-practice [INFO] tweaked toml for git repo https://github.com/jsq1234/rust-practice written to /workspace/builds/worker-3-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/jsq1234/rust-practice 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" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] d053d11754dd0803b7afadfc6f568bef8f937b20e0ae52730a29bcd9cb69b88c [INFO] running `Command { std: "docker" "start" "-a" "d053d11754dd0803b7afadfc6f568bef8f937b20e0ae52730a29bcd9cb69b88c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "d053d11754dd0803b7afadfc6f568bef8f937b20e0ae52730a29bcd9cb69b88c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d053d11754dd0803b7afadfc6f568bef8f937b20e0ae52730a29bcd9cb69b88c", kill_on_drop: false }` [INFO] [stdout] d053d11754dd0803b7afadfc6f568bef8f937b20e0ae52730a29bcd9cb69b88c [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 09bebc8062f6ec4f062688c09e144558b2cd4b9d5e11a9b8d9c533737416ee5c [INFO] running `Command { std: "docker" "start" "-a" "09bebc8062f6ec4f062688c09e144558b2cd4b9d5e11a9b8d9c533737416ee5c", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.151 [INFO] [stderr] Compiling vcpkg v0.2.15 [INFO] [stderr] Compiling parking_lot_core v0.9.9 [INFO] [stderr] Checking pin-project-lite v0.2.13 [INFO] [stderr] Checking bytes v1.5.0 [INFO] [stderr] Checking smallvec v1.11.2 [INFO] [stderr] Compiling futures-core v0.3.29 [INFO] [stderr] Checking itoa v1.0.10 [INFO] [stderr] Compiling lock_api v0.4.11 [INFO] [stderr] Compiling futures-task v0.3.29 [INFO] [stderr] Checking tracing-core v0.1.32 [INFO] [stderr] Compiling slab v0.4.9 [INFO] [stderr] Compiling openssl v0.10.61 [INFO] [stderr] Checking foreign-types-shared v0.1.1 [INFO] [stderr] Compiling syn v2.0.41 [INFO] [stderr] Compiling futures-util v0.3.29 [INFO] [stderr] Checking foreign-types v0.3.2 [INFO] [stderr] Checking futures-sink v0.3.29 [INFO] [stderr] Compiling native-tls v0.2.11 [INFO] [stderr] Compiling httparse v1.8.0 [INFO] [stderr] Compiling futures-channel v0.3.29 [INFO] [stderr] Compiling serde v1.0.193 [INFO] [stderr] Checking hashbrown v0.14.3 [INFO] [stderr] Checking bitflags v2.4.1 [INFO] [stderr] Checking log v0.4.20 [INFO] [stderr] Checking openssl-probe v0.1.5 [INFO] [stderr] Checking try-lock v0.2.5 [INFO] [stderr] Checking unicode-normalization v0.1.22 [INFO] [stderr] Checking unicode-bidi v0.3.14 [INFO] [stderr] Checking tower-service v0.3.2 [INFO] [stderr] Checking http v0.2.11 [INFO] [stderr] Checking ryu v1.0.16 [INFO] [stderr] Checking want v0.3.1 [INFO] [stderr] Checking tracing v0.1.40 [INFO] [stderr] Compiling serde_json v1.0.108 [INFO] [stderr] Checking httpdate v1.0.3 [INFO] [stderr] Checking encoding_rs v0.8.33 [INFO] [stderr] Checking mime v0.3.17 [INFO] [stderr] Checking base64 v0.21.5 [INFO] [stderr] Compiling cc v1.0.83 [INFO] [stderr] Checking indexmap v2.1.0 [INFO] [stderr] Checking idna v0.5.0 [INFO] [stderr] Checking signal-hook-registry v1.4.1 [INFO] [stderr] Checking socket2 v0.5.5 [INFO] [stderr] Checking mio v0.8.10 [INFO] [stderr] Checking num_cpus v1.16.0 [INFO] [stderr] Checking socket2 v0.4.10 [INFO] [stderr] Checking http-body v0.4.6 [INFO] [stderr] Checking parking_lot v0.12.1 [INFO] [stderr] Checking url v2.5.0 [INFO] [stderr] Compiling openssl-sys v0.9.97 [INFO] [stderr] Compiling tokio-macros v2.2.0 [INFO] [stderr] Compiling openssl-macros v0.1.1 [INFO] [stderr] Compiling serde_derive v1.0.193 [INFO] [stderr] Checking tokio v1.35.0 [INFO] [stderr] Checking tokio-util v0.7.10 [INFO] [stderr] Checking tokio-native-tls v0.3.1 [INFO] [stderr] Checking h2 v0.3.22 [INFO] [stderr] Checking serde_urlencoded v0.7.1 [INFO] [stderr] Checking hyper v0.14.27 [INFO] [stderr] Checking hyper-tls v0.5.0 [INFO] [stderr] Checking reqwest v0.11.22 [INFO] [stderr] Checking fun1 v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: fields `val` and `next` are never read [INFO] [stdout] --> src/lib.rs:35:5 [INFO] [stdout] | [INFO] [stdout] 34 | struct Node { [INFO] [stdout] | ---- fields in this struct [INFO] [stdout] 35 | val: T, [INFO] [stdout] | ^^^ [INFO] [stdout] 36 | next: Option>>, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `val` and `next` are never read [INFO] [stdout] --> src/lib.rs:35:5 [INFO] [stdout] | [INFO] [stdout] 34 | struct Node { [INFO] [stdout] | ---- fields in this struct [INFO] [stdout] 35 | val: T, [INFO] [stdout] | ^^^ [INFO] [stdout] 36 | next: Option>>, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 13.55s [INFO] running `Command { std: "docker" "inspect" "09bebc8062f6ec4f062688c09e144558b2cd4b9d5e11a9b8d9c533737416ee5c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "09bebc8062f6ec4f062688c09e144558b2cd4b9d5e11a9b8d9c533737416ee5c", kill_on_drop: false }` [INFO] [stdout] 09bebc8062f6ec4f062688c09e144558b2cd4b9d5e11a9b8d9c533737416ee5c [INFO] checking jsq1234/rust-practice against try#f9935d29d867449445ee008640ccca1bf1ae0889+rustflags=-Dtail_expr_drop_order for crater-rollup-uwu [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjsq1234%2Frust-practice" "/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/jsq1234/rust-practice on toolchain f9935d29d867449445ee008640ccca1bf1ae0889 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f9935d29d867449445ee008640ccca1bf1ae0889" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/jsq1234/rust-practice [INFO] finished tweaking git repo https://github.com/jsq1234/rust-practice [INFO] tweaked toml for git repo https://github.com/jsq1234/rust-practice written to /workspace/builds/worker-3-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/jsq1234/rust-practice 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" "+f9935d29d867449445ee008640ccca1bf1ae0889" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+f9935d29d867449445ee008640ccca1bf1ae0889" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 5164b6fb72cf571d381092702e8dec755407341e5f65b25454a908caa5c33f77 [INFO] running `Command { std: "docker" "start" "-a" "5164b6fb72cf571d381092702e8dec755407341e5f65b25454a908caa5c33f77", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "5164b6fb72cf571d381092702e8dec755407341e5f65b25454a908caa5c33f77", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5164b6fb72cf571d381092702e8dec755407341e5f65b25454a908caa5c33f77", kill_on_drop: false }` [INFO] [stdout] 5164b6fb72cf571d381092702e8dec755407341e5f65b25454a908caa5c33f77 [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 -Dtail_expr_drop_order" "-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+f9935d29d867449445ee008640ccca1bf1ae0889" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 8231f57599e70406139c53ae722f83f755293230715aa1d2c04e2fdd48038d8d [INFO] running `Command { std: "docker" "start" "-a" "8231f57599e70406139c53ae722f83f755293230715aa1d2c04e2fdd48038d8d", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.151 [INFO] [stderr] Compiling vcpkg v0.2.15 [INFO] [stderr] Compiling parking_lot_core v0.9.9 [INFO] [stderr] Checking pin-project-lite v0.2.13 [INFO] [stderr] Checking smallvec v1.11.2 [INFO] [stderr] Compiling futures-core v0.3.29 [INFO] [stderr] Checking bytes v1.5.0 [INFO] [stderr] Checking itoa v1.0.10 [INFO] [stderr] Compiling lock_api v0.4.11 [INFO] [stderr] Compiling futures-task v0.3.29 [INFO] [stderr] Checking tracing-core v0.1.32 [INFO] [stderr] Compiling slab v0.4.9 [INFO] [stderr] Compiling openssl v0.10.61 [INFO] [stderr] Compiling futures-util v0.3.29 [INFO] [stderr] Compiling syn v2.0.41 [INFO] [stderr] Checking foreign-types-shared v0.1.1 [INFO] [stderr] Checking foreign-types v0.3.2 [INFO] [stderr] Compiling serde v1.0.193 [INFO] [stderr] Compiling native-tls v0.2.11 [INFO] [stderr] Checking bitflags v2.4.1 [INFO] [stderr] Checking futures-sink v0.3.29 [INFO] [stderr] Compiling httparse v1.8.0 [INFO] [stderr] Compiling futures-channel v0.3.29 [INFO] [stderr] Checking hashbrown v0.14.3 [INFO] [stderr] Checking openssl-probe v0.1.5 [INFO] [stderr] Checking log v0.4.20 [INFO] [stderr] Checking try-lock v0.2.5 [INFO] [stderr] Checking unicode-normalization v0.1.22 [INFO] [stderr] Checking want v0.3.1 [INFO] [stderr] Checking tower-service v0.3.2 [INFO] [stderr] Checking tracing v0.1.40 [INFO] [stderr] Compiling serde_json v1.0.108 [INFO] [stderr] Checking http v0.2.11 [INFO] [stderr] Checking httpdate v1.0.3 [INFO] [stderr] Checking ryu v1.0.16 [INFO] [stderr] Checking unicode-bidi v0.3.14 [INFO] [stderr] Checking encoding_rs v0.8.33 [INFO] [stderr] Checking base64 v0.21.5 [INFO] [stderr] Checking mime v0.3.17 [INFO] [stderr] Checking idna v0.5.0 [INFO] [stderr] Checking indexmap v2.1.0 [INFO] [stderr] Checking signal-hook-registry v1.4.1 [INFO] [stderr] Checking mio v0.8.10 [INFO] [stderr] Checking num_cpus v1.16.0 [INFO] [stderr] Checking socket2 v0.5.5 [INFO] [stderr] Checking socket2 v0.4.10 [INFO] [stderr] Compiling cc v1.0.83 [INFO] [stderr] Checking parking_lot v0.12.1 [INFO] [stderr] Checking http-body v0.4.6 [INFO] [stderr] Checking url v2.5.0 [INFO] [stderr] Compiling openssl-sys v0.9.97 [INFO] [stderr] Compiling tokio-macros v2.2.0 [INFO] [stderr] Compiling openssl-macros v0.1.1 [INFO] [stderr] Compiling serde_derive v1.0.193 [INFO] [stderr] Checking tokio v1.35.0 [INFO] [stderr] Checking tokio-util v0.7.10 [INFO] [stderr] Checking tokio-native-tls v0.3.1 [INFO] [stderr] Checking h2 v0.3.22 [INFO] [stderr] Checking serde_urlencoded v0.7.1 [INFO] [stderr] Checking hyper v0.14.27 [INFO] [stderr] Checking hyper-tls v0.5.0 [INFO] [stderr] Checking reqwest v0.11.22 [INFO] [stderr] Checking fun1 v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: fields `val` and `next` are never read [INFO] [stdout] --> src/lib.rs:35:5 [INFO] [stdout] | [INFO] [stdout] 34 | struct Node { [INFO] [stdout] | ---- fields in this struct [INFO] [stdout] 35 | val: T, [INFO] [stdout] | ^^^ [INFO] [stdout] 36 | next: Option>>, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/lib.rs:13:19 [INFO] [stdout] | [INFO] [stdout] 10 | pub fn new(val: T) -> Self { [INFO] [stdout] | ------ these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 13 | left: None, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this changes meaning in Rust 2024 [INFO] [stdout] = note: for more information, see issue #123739 [INFO] [stdout] = note: requested on the command line with `-D tail-expr-drop-order` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/lib.rs:14:20 [INFO] [stdout] | [INFO] [stdout] 10 | pub fn new(val: T) -> Self { [INFO] [stdout] | ------ these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 14 | right: None, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this changes meaning in Rust 2024 [INFO] [stdout] = note: for more information, see issue #123739 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/lib.rs:54:19 [INFO] [stdout] | [INFO] [stdout] 52 | fn push(self, val: T) -> Self { [INFO] [stdout] | ---- ------ these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] | | [INFO] [stdout] | these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 53 | Self { [INFO] [stdout] 54 | head: Some(Rc::new(Node { [INFO] [stdout] | ___________________^ [INFO] [stdout] 55 | | val, [INFO] [stdout] 56 | | next: self.head, [INFO] [stdout] 57 | | })), [INFO] [stdout] | |_______________^ [INFO] [stdout] | [INFO] [stdout] = warning: this changes meaning in Rust 2024 [INFO] [stdout] = note: for more information, see issue #123739 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 3 previous errors; 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `val` and `next` are never read [INFO] [stdout] --> src/lib.rs:35:5 [INFO] [stdout] | [INFO] [stdout] 34 | struct Node { [INFO] [stdout] | ---- fields in this struct [INFO] [stdout] 35 | val: T, [INFO] [stdout] | ^^^ [INFO] [stdout] 36 | next: Option>>, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/lib.rs:13:19 [INFO] [stdout] | [INFO] [stdout] 10 | pub fn new(val: T) -> Self { [INFO] [stdout] | ------ these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 13 | left: None, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this changes meaning in Rust 2024 [INFO] [stdout] = note: for more information, see issue #123739 [INFO] [stdout] = note: requested on the command line with `-D tail-expr-drop-order` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/lib.rs:14:20 [INFO] [stdout] | [INFO] [stdout] 10 | pub fn new(val: T) -> Self { [INFO] [stdout] | ------ these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 14 | right: None, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this changes meaning in Rust 2024 [INFO] [stdout] = note: for more information, see issue #123739 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/lib.rs:54:19 [INFO] [stdout] | [INFO] [stdout] 52 | fn push(self, val: T) -> Self { [INFO] [stdout] | ---- ------ these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] | | [INFO] [stdout] | these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 53 | Self { [INFO] [stdout] 54 | head: Some(Rc::new(Node { [INFO] [stdout] | ___________________^ [INFO] [stdout] 55 | | val, [INFO] [stdout] 56 | | next: self.head, [INFO] [stdout] 57 | | })), [INFO] [stdout] | |_______________^ [INFO] [stdout] | [INFO] [stdout] = warning: this changes meaning in Rust 2024 [INFO] [stdout] = note: for more information, see issue #123739 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 3 previous errors; 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `fun1` (lib) due to 4 previous errors; 1 warning emitted [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: could not compile `fun1` (lib test) due to 4 previous errors; 1 warning emitted [INFO] running `Command { std: "docker" "inspect" "8231f57599e70406139c53ae722f83f755293230715aa1d2c04e2fdd48038d8d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8231f57599e70406139c53ae722f83f755293230715aa1d2c04e2fdd48038d8d", kill_on_drop: false }` [INFO] [stdout] 8231f57599e70406139c53ae722f83f755293230715aa1d2c04e2fdd48038d8d