[INFO] cloning repository https://github.com/Bleb1k/rust-incubator [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Bleb1k/rust-incubator" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBleb1k%2Frust-incubator", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBleb1k%2Frust-incubator'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 3287d38b4fc90cc26f092dc715adf49f1e862376 [INFO] checking Bleb1k/rust-incubator/3287d38b4fc90cc26f092dc715adf49f1e862376 against try#4d98531622e1718ae0bc3c7a1ab9cd8938428452+rustflags=-Dtail_expr_drop_order for pr-129604 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBleb1k%2Frust-incubator" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/Bleb1k/rust-incubator on toolchain 4d98531622e1718ae0bc3c7a1ab9cd8938428452 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4d98531622e1718ae0bc3c7a1ab9cd8938428452" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/Bleb1k/rust-incubator [INFO] finished tweaking git repo https://github.com/Bleb1k/rust-incubator [INFO] tweaked toml for git repo https://github.com/Bleb1k/rust-incubator written to /workspace/builds/worker-7-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/Bleb1k/rust-incubator 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" "+4d98531622e1718ae0bc3c7a1ab9cd8938428452" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] warning: virtual workspace defaulting to `resolver = "1"` despite one or more workspace members being on edition 2021 which implies `resolver = "2"` [INFO] [stderr] note: to keep the current resolver, specify `workspace.resolver = "1"` in the workspace root's manifest [INFO] [stderr] note: to use the edition 2021 resolver, specify `workspace.resolver = "2"` in the workspace root's manifest [INFO] [stderr] note: for more details see https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions [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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+4d98531622e1718ae0bc3c7a1ab9cd8938428452" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 551f7a14208e5edf21a10ab1d80291a229cfd500b524911e1eb701d9189d8dde [INFO] running `Command { std: "docker" "start" "-a" "551f7a14208e5edf21a10ab1d80291a229cfd500b524911e1eb701d9189d8dde", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "551f7a14208e5edf21a10ab1d80291a229cfd500b524911e1eb701d9189d8dde", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "551f7a14208e5edf21a10ab1d80291a229cfd500b524911e1eb701d9189d8dde", kill_on_drop: false }` [INFO] [stdout] 551f7a14208e5edf21a10ab1d80291a229cfd500b524911e1eb701d9189d8dde [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 -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" "+4d98531622e1718ae0bc3c7a1ab9cd8938428452" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 1ac499d75509b669ded8c63b31d9303184f0c48e9b6a190735dd88222d9f77ba [INFO] running `Command { std: "docker" "start" "-a" "1ac499d75509b669ded8c63b31d9303184f0c48e9b6a190735dd88222d9f77ba", kill_on_drop: false }` [INFO] [stderr] warning: virtual workspace defaulting to `resolver = "1"` despite one or more workspace members being on edition 2021 which implies `resolver = "2"` [INFO] [stderr] note: to keep the current resolver, specify `workspace.resolver = "1"` in the workspace root's manifest [INFO] [stderr] note: to use the edition 2021 resolver, specify `workspace.resolver = "2"` in the workspace root's manifest [INFO] [stderr] note: for more details see https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions [INFO] [stderr] Checking step_3_10 v0.1.0 (/opt/rustwide/workdir/3_ecosystem/3_10_threads) [INFO] [stderr] Checking step_2_6 v0.1.0 (/opt/rustwide/workdir/2_idioms/2_6_sealing) [INFO] [stderr] Checking step_2_5 v0.1.0 (/opt/rustwide/workdir/2_idioms/2_5_exhaustivity) [INFO] [stderr] Checking step_2_3 v0.1.0 (/opt/rustwide/workdir/2_idioms/2_3_bound_impl) [INFO] [stderr] Checking step_1_2 v0.1.0 (/opt/rustwide/workdir/1_concepts/1_2_box_pin) [INFO] [stderr] Checking step_4 v0.1.0 (/opt/rustwide/workdir/4_backend) [INFO] [stderr] Checking step_3 v0.1.0 (/opt/rustwide/workdir/3_ecosystem) [INFO] [stderr] Checking step_4_2 v0.1.0 (/opt/rustwide/workdir/4_backend/4_2_http) [INFO] [stderr] Checking step_3_5 v0.1.0 (/opt/rustwide/workdir/3_ecosystem/3_5_collections) [INFO] [stderr] Checking step_3_7 v0.1.0 (/opt/rustwide/workdir/3_ecosystem/3_7_rand_crypto) [INFO] [stderr] Checking step_2_2 v0.1.0 (/opt/rustwide/workdir/2_idioms/2_2_mem_replace) [INFO] [stderr] Checking step_3_3 v0.1.0 (/opt/rustwide/workdir/3_ecosystem/3_3_date_time) [INFO] [stderr] Checking step_3_11 v0.1.0 (/opt/rustwide/workdir/3_ecosystem/3_11_async) [INFO] [stderr] Checking step_1 v0.1.0 (/opt/rustwide/workdir/1_concepts) [INFO] [stderr] Checking step_2 v0.1.0 (/opt/rustwide/workdir/2_idioms) [INFO] [stdout] warning: unused variable: `year` [INFO] [stdout] --> 3_ecosystem/3_3_date_time/src/main.rs:10:23 [INFO] [stdout] | [INFO] [stdout] 10 | fn with_birthdate(year: i32, month: u32, day: u32) -> Self { [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_year` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `month` [INFO] [stdout] --> 3_ecosystem/3_3_date_time/src/main.rs:10:34 [INFO] [stdout] | [INFO] [stdout] 10 | fn with_birthdate(year: i32, month: u32, day: u32) -> Self { [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_month` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `day` [INFO] [stdout] --> 3_ecosystem/3_3_date_time/src/main.rs:10:46 [INFO] [stdout] | [INFO] [stdout] 10 | fn with_birthdate(year: i32, month: u32, day: u32) -> Self { [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_day` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: constant `NOW` is never used [INFO] [stdout] --> 3_ecosystem/3_3_date_time/src/main.rs:5:7 [INFO] [stdout] | [INFO] [stdout] 5 | const NOW: &str = "2019-06-26"; [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `User` is never constructed [INFO] [stdout] --> 3_ecosystem/3_3_date_time/src/main.rs:7:8 [INFO] [stdout] | [INFO] [stdout] 7 | struct User; [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated items `with_birthdate`, `age`, and `is_adult` are never used [INFO] [stdout] --> 3_ecosystem/3_3_date_time/src/main.rs:10:8 [INFO] [stdout] | [INFO] [stdout] 9 | impl User { [INFO] [stdout] | --------- associated items in this implementation [INFO] [stdout] 10 | fn with_birthdate(year: i32, month: u32, day: u32) -> Self { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 15 | fn age(&self) -> u16 { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 20 | fn is_adult(&self) -> bool { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 6 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking step_1_9 v0.1.0 (/opt/rustwide/workdir/1_concepts/1_9_phantom) [INFO] [stderr] Checking step_3_6 v0.1.0 (/opt/rustwide/workdir/3_ecosystem/3_6_serde) [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] --> 2_idioms/2_6_sealing/src/my_iterator_ext.rs:112:20 [INFO] [stdout] | [INFO] [stdout] 105 | pub fn new_format(iter: I, separator: &str, f: F) -> FormatWith<'_, I, F> [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] ... [INFO] [stdout] 112 | inner: RefCell::new(Some((iter, f))), [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] --> 2_idioms/2_6_sealing/src/my_iterator_ext.rs:122:20 [INFO] [stdout] | [INFO] [stdout] 116 | pub fn new_format_default(iter: I, separator: &str) -> Format<'_, I> [INFO] [stdout] | ------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 122 | inner: RefCell::new(Some(iter)), [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] [stderr] Checking step_4_3 v0.1.0 (/opt/rustwide/workdir/4_backend/4_3_api) [INFO] [stdout] error: aborting due to 2 previous errors [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `step_2_6` (lib test) due to 3 previous errors [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] running `Command { std: "docker" "inspect" "1ac499d75509b669ded8c63b31d9303184f0c48e9b6a190735dd88222d9f77ba", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1ac499d75509b669ded8c63b31d9303184f0c48e9b6a190735dd88222d9f77ba", kill_on_drop: false }` [INFO] [stdout] 1ac499d75509b669ded8c63b31d9303184f0c48e9b6a190735dd88222d9f77ba