[INFO] cloning repository https://github.com/ihor-tarasov/let [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ihor-tarasov/let" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fihor-tarasov%2Flet", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fihor-tarasov%2Flet'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 0c564b293c297711f922e7e4f0806ec730608210 [INFO] building ihor-tarasov/let against master#11663cd3bfefef7d34e8f0892c250bf698049392+rustflags=-Dtail-expr-drop-order for pr-134523 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fihor-tarasov%2Flet" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/ihor-tarasov/let on toolchain 11663cd3bfefef7d34e8f0892c250bf698049392 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/ihor-tarasov/let [INFO] finished tweaking git repo https://github.com/ihor-tarasov/let [INFO] tweaked toml for git repo https://github.com/ihor-tarasov/let written to /workspace/builds/worker-5-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/ihor-tarasov/let 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" "+11663cd3bfefef7d34e8f0892c250bf698049392" "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-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 60a15c1c0ca2ee4c5058dfaafb8f809b6a29ac06e3d303ce81c055b55faf82e3 [INFO] running `Command { std: "docker" "start" "-a" "60a15c1c0ca2ee4c5058dfaafb8f809b6a29ac06e3d303ce81c055b55faf82e3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "60a15c1c0ca2ee4c5058dfaafb8f809b6a29ac06e3d303ce81c055b55faf82e3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "60a15c1c0ca2ee4c5058dfaafb8f809b6a29ac06e3d303ce81c055b55faf82e3", kill_on_drop: false }` [INFO] [stdout] 60a15c1c0ca2ee4c5058dfaafb8f809b6a29ac06e3d303ce81c055b55faf82e3 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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 -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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 6775a34cde4dae343cdbc3439b84597e34da090dd42fbe66b694dc1c3f13348b [INFO] running `Command { std: "docker" "start" "-a" "6775a34cde4dae343cdbc3439b84597e34da090dd42fbe66b694dc1c3f13348b", 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] Compiling let_opcodes v0.1.0 (/opt/rustwide/workdir/crates/let_opcodes) [INFO] [stderr] Compiling let_result v0.1.0 (/opt/rustwide/workdir/crates/let_result) [INFO] [stderr] Compiling read_iter v0.1.0 (/opt/rustwide/workdir/crates/read_iter) [INFO] [stderr] Compiling let_vm v0.1.0 (/opt/rustwide/workdir/crates/let_vm) [INFO] [stderr] Compiling let_module v0.1.0 (/opt/rustwide/workdir/crates/let_module) [INFO] [stderr] Compiling let_emitter v0.1.0 (/opt/rustwide/workdir/crates/let_emitter) [INFO] [stdout] warning: struct `Slice` is never constructed [INFO] [stdout] --> crates/let_emitter/src/lib.rs:3:8 [INFO] [stdout] | [INFO] [stdout] 3 | struct Slice<'a>(&'a [u8]); [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling let_parser v0.1.0 (/opt/rustwide/workdir/crates/let_parser) [INFO] [stderr] Compiling letl v0.1.0 (/opt/rustwide/workdir/crates/letl) [INFO] [stderr] Compiling letr v0.1.0 (/opt/rustwide/workdir/crates/letr) [INFO] [stdout] error: relative drop order changing in Rust 2024 [INFO] [stdout] --> crates/letl/src/main.rs:54:15 [INFO] [stdout] | [INFO] [stdout] 54 | match File::open(&arg) { [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | this value will be stored in a temporary; let us call it `#1` [INFO] [stdout] | up until Edition 2021 `#1` is dropped last but will be dropped earlier in Edition 2024 [INFO] [stdout] 55 | Ok(mut file) => match linker.link(&mut file) { [INFO] [stdout] | -------- [INFO] [stdout] | | [INFO] [stdout] | `file` calls a custom destructor [INFO] [stdout] | `file` will be dropped later as of Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 67 | } [INFO] [stdout] | - now the temporary value is dropped here, before the local variables in the block or statement [INFO] [stdout] | [INFO] [stdout] = warning: this changes meaning in Rust 2024 [INFO] [stdout] = note: for more information, see [INFO] [stdout] note: `#1` invokes this custom destructor [INFO] [stdout] --> /rustc/11663cd3bfefef7d34e8f0892c250bf698049392/library/std/src/os/fd/owned.rs:172:1 [INFO] [stdout] note: `file` invokes this custom destructor [INFO] [stdout] --> /rustc/11663cd3bfefef7d34e8f0892c250bf698049392/library/std/src/os/fd/owned.rs:172:1 [INFO] [stdout] = note: most of the time, changing drop order is harmless; inspect the `impl Drop`s for side effects like releasing locks or sending messages [INFO] [stdout] = note: requested on the command line with `-D tail-expr-drop-order` [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `letl` (bin "letl") due to 1 previous error [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] running `Command { std: "docker" "inspect" "6775a34cde4dae343cdbc3439b84597e34da090dd42fbe66b694dc1c3f13348b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6775a34cde4dae343cdbc3439b84597e34da090dd42fbe66b694dc1c3f13348b", kill_on_drop: false }` [INFO] [stdout] 6775a34cde4dae343cdbc3439b84597e34da090dd42fbe66b694dc1c3f13348b