[INFO] cloning repository https://github.com/Bortiz25/Rust-Unit-Testing [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Bortiz25/Rust-Unit-Testing" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBortiz25%2FRust-Unit-Testing", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBortiz25%2FRust-Unit-Testing'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 9935eadda2cb698cb431181f1d63e973c0904cae [INFO] checking Bortiz25/Rust-Unit-Testing/9935eadda2cb698cb431181f1d63e973c0904cae 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%2FBortiz25%2FRust-Unit-Testing" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/Bortiz25/Rust-Unit-Testing 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/Bortiz25/Rust-Unit-Testing [INFO] finished tweaking git repo https://github.com/Bortiz25/Rust-Unit-Testing [INFO] tweaked toml for git repo https://github.com/Bortiz25/Rust-Unit-Testing written to /workspace/builds/worker-4-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/Bortiz25/Rust-Unit-Testing 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] d0fecaf4d30375b0722a4786617b2281805702b30d8098046364fcb0e233d4bf [INFO] running `Command { std: "docker" "start" "-a" "d0fecaf4d30375b0722a4786617b2281805702b30d8098046364fcb0e233d4bf", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "d0fecaf4d30375b0722a4786617b2281805702b30d8098046364fcb0e233d4bf", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d0fecaf4d30375b0722a4786617b2281805702b30d8098046364fcb0e233d4bf", kill_on_drop: false }` [INFO] [stdout] d0fecaf4d30375b0722a4786617b2281805702b30d8098046364fcb0e233d4bf [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 2d6dd6372836af7d8048d9e6d9964755c251e92d7ff0f18a745d0a4bc9954c10 [INFO] running `Command { std: "docker" "start" "-a" "2d6dd6372836af7d8048d9e6d9964755c251e92d7ff0f18a745d0a4bc9954c10", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.153 [INFO] [stderr] Compiling rustix v0.38.32 [INFO] [stderr] Compiling libm v0.2.8 [INFO] [stderr] Checking linux-raw-sys v0.4.13 [INFO] [stderr] Checking bitflags v2.5.0 [INFO] [stderr] Checking ppv-lite86 v0.2.17 [INFO] [stderr] Checking fastrand v2.0.2 [INFO] [stderr] Compiling num-traits v0.2.18 [INFO] [stderr] Checking bit-vec v0.6.3 [INFO] [stderr] Checking unarray v0.1.4 [INFO] [stderr] Checking regex-syntax v0.8.3 [INFO] [stderr] Checking bit-set v0.5.3 [INFO] [stderr] Checking getrandom v0.2.14 [INFO] [stderr] Checking wait-timeout v0.2.0 [INFO] [stderr] Checking rand_core v0.6.4 [INFO] [stderr] Checking rand_chacha v0.3.1 [INFO] [stderr] Checking rand_xorshift v0.3.0 [INFO] [stderr] Checking rand v0.8.5 [INFO] [stderr] Checking tempfile v3.10.1 [INFO] [stderr] Checking rusty-fork v0.3.0 [INFO] [stderr] Checking proptest v1.4.0 [INFO] [stderr] Checking unit-testing-project v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused imports: `cmp::Ordering` and `hash::Hash` [INFO] [stdout] --> src/main.rs:1:12 [INFO] [stdout] | [INFO] [stdout] 1 | use std::{ cmp::Ordering, collections::HashMap, hash::Hash }; [INFO] [stdout] | ^^^^^^^^^^^^^ ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `AtomicI32` [INFO] [stdout] --> src/main.rs:2:26 [INFO] [stdout] | [INFO] [stdout] 2 | use std::sync::atomic::{ AtomicI32 }; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `Arc` and `Mutex` [INFO] [stdout] --> src/main.rs:3:18 [INFO] [stdout] | [INFO] [stdout] 3 | use std::sync::{ Arc, Mutex }; [INFO] [stdout] | ^^^ ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::thread` [INFO] [stdout] --> src/main.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 4 | use std::thread; [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `cmp::Ordering` and `hash::Hash` [INFO] [stdout] --> src/main.rs:1:12 [INFO] [stdout] | [INFO] [stdout] 1 | use std::{ cmp::Ordering, collections::HashMap, hash::Hash }; [INFO] [stdout] | ^^^^^^^^^^^^^ ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `AtomicI32` [INFO] [stdout] --> src/main.rs:2:26 [INFO] [stdout] | [INFO] [stdout] 2 | use std::sync::atomic::{ AtomicI32 }; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `get_count` is never used [INFO] [stdout] --> src/main.rs:44:8 [INFO] [stdout] | [INFO] [stdout] 12 | impl File { [INFO] [stdout] | --------- method in this implementation [INFO] [stdout] ... [INFO] [stdout] 44 | fn get_count(&self, substr: &str) -> Option<&u32> { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 5 warnings emitted [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/main.rs:75:31 [INFO] [stdout] | [INFO] [stdout] 74 | let file_arc = Arc::clone(&file_arc); [INFO] [stdout] | -------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 75 | thread::spawn(move || { [INFO] [stdout] | _______________________________^ [INFO] [stdout] 76 | | let mut file = file_arc.lock().unwrap(); [INFO] [stdout] 77 | | let _hello_count = file.parse_and_count("hello"); [INFO] [stdout] 78 | | }) [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: aborting due to 1 previous error; 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `unit-testing-project` (bin "unit-testing-project" test) due to 2 previous errors; 2 warnings emitted [INFO] running `Command { std: "docker" "inspect" "2d6dd6372836af7d8048d9e6d9964755c251e92d7ff0f18a745d0a4bc9954c10", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2d6dd6372836af7d8048d9e6d9964755c251e92d7ff0f18a745d0a4bc9954c10", kill_on_drop: false }` [INFO] [stdout] 2d6dd6372836af7d8048d9e6d9964755c251e92d7ff0f18a745d0a4bc9954c10