[INFO] cloning repository https://github.com/dlight/backlash [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/dlight/backlash" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdlight%2Fbacklash", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdlight%2Fbacklash'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 88e35c05e0ec96f32cd4d28f1edc6cb20660e937 [INFO] checking dlight/backlash/88e35c05e0ec96f32cd4d28f1edc6cb20660e937 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%2Fdlight%2Fbacklash" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/dlight/backlash 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/dlight/backlash [INFO] finished tweaking git repo https://github.com/dlight/backlash [INFO] tweaked toml for git repo https://github.com/dlight/backlash written to /workspace/builds/worker-1-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/dlight/backlash 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-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 5853b00b3684f56f979cd94f091e5827384dbda455021d851aad1bfe078ded61 [INFO] running `Command { std: "docker" "start" "-a" "5853b00b3684f56f979cd94f091e5827384dbda455021d851aad1bfe078ded61", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "5853b00b3684f56f979cd94f091e5827384dbda455021d851aad1bfe078ded61", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5853b00b3684f56f979cd94f091e5827384dbda455021d851aad1bfe078ded61", kill_on_drop: false }` [INFO] [stdout] 5853b00b3684f56f979cd94f091e5827384dbda455021d851aad1bfe078ded61 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] fa32dbc515bdb13e62f40cf1d92ff1b07b67958f93b1642b50b404e6b91dadd6 [INFO] running `Command { std: "docker" "start" "-a" "fa32dbc515bdb13e62f40cf1d92ff1b07b67958f93b1642b50b404e6b91dadd6", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.98 [INFO] [stderr] Compiling proc-macro2 v1.0.28 [INFO] [stderr] Compiling syn v1.0.74 [INFO] [stderr] Checking once_cell v1.8.0 [INFO] [stderr] Compiling memchr v2.4.0 [INFO] [stderr] Compiling cc v1.0.69 [INFO] [stderr] Checking gimli v0.25.0 [INFO] [stderr] Compiling eyre v0.6.5 [INFO] [stderr] Checking tracing-core v0.1.18 [INFO] [stderr] Compiling ahash v0.7.4 [INFO] [stderr] Checking sharded-slab v0.1.1 [INFO] [stderr] Compiling log v0.4.14 [INFO] [stderr] Checking nibble_vec v0.1.0 [INFO] [stderr] Checking endian-type v0.1.2 [INFO] [stderr] Checking indenter v0.3.3 [INFO] [stderr] Checking owo-colors v1.3.0 [INFO] [stderr] Checking rustc-demangle v0.1.20 [INFO] [stderr] Checking unicode-width v0.1.8 [INFO] [stderr] Checking thread_local v1.1.3 [INFO] [stderr] Checking radix_trie v0.2.1 [INFO] [stderr] Checking unicode-segmentation v1.8.0 [INFO] [stderr] Checking utf8parse v0.2.0 [INFO] [stderr] Checking dyn-clone v1.0.4 [INFO] [stderr] Checking maplit v1.0.2 [INFO] [stderr] Checking xdg v2.2.0 [INFO] [stderr] Checking tracing-subscriber v0.2.19 [INFO] [stderr] Compiling backtrace v0.3.61 [INFO] [stderr] Checking object v0.26.0 [INFO] [stderr] Checking combine v4.6.0 [INFO] [stderr] Compiling quote v1.0.9 [INFO] [stderr] Checking getrandom v0.2.3 [INFO] [stderr] Checking dirs-sys-next v0.1.2 [INFO] [stderr] Checking nix v0.20.0 [INFO] [stderr] Checking fd-lock v2.0.0 [INFO] [stderr] Checking dirs-next v2.0.0 [INFO] [stderr] Checking addr2line v0.16.0 [INFO] [stderr] Checking hashbrown v0.11.2 [INFO] [stderr] Checking lasso v0.5.1 [INFO] [stderr] Checking rustyline v8.2.0 [INFO] [stderr] Compiling tracing-attributes v0.1.15 [INFO] [stderr] Compiling fehler-macros v1.0.0 [INFO] [stderr] Checking tracing v0.1.26 [INFO] [stderr] Checking fehler v1.0.0 [INFO] [stderr] Checking tracing-error v0.1.2 [INFO] [stderr] Checking color-spantrace v0.1.6 [INFO] [stderr] Checking color-eyre v0.5.11 [INFO] [stderr] Checking backlash v0.1.0 (/opt/rustwide/workdir) [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:49:5 [INFO] [stdout] | [INFO] [stdout] 48 | fn apply<'a>(env: &Env, f: Expr, args: Vec) -> Expr { [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] 49 | / if let PrimOp(op) = eval(env, f)? { [INFO] [stdout] 50 | | let args = args.into_iter().map(|x| eval(env, x)); [INFO] [stdout] 51 | | [INFO] [stdout] 52 | | let a: Vec = args.map(|x| x.unwrap()).collect(); [INFO] [stdout] ... | [INFO] [stdout] 56 | | bail!("not a primop"); [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] = 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/main.rs:62:5 [INFO] [stdout] | [INFO] [stdout] 61 | fn eval(env: &Env, expr: Expr) -> Expr { [INFO] [stdout] | ---------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 62 | / match expr { [INFO] [stdout] 63 | | Var(x) => env.vars.get(&x).map(|x| (*x).clone()).unwrap_or(Var(x)), [INFO] [stdout] 64 | | App(f, args) => apply(env, *f, args)?, [INFO] [stdout] 65 | | x => x, [INFO] [stdout] 66 | | } [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/main.rs:80:5 [INFO] [stdout] | [INFO] [stdout] 70 | fn bin_op(f: impl Fn(f64, f64) -> f64, init: f64, args: Vec) -> Expr { [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] 80 | Num(acc) [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/main.rs:49:5 [INFO] [stdout] | [INFO] [stdout] 48 | fn apply<'a>(env: &Env, f: Expr, args: Vec) -> Expr { [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] 49 | / if let PrimOp(op) = eval(env, f)? { [INFO] [stdout] 50 | | let args = args.into_iter().map(|x| eval(env, x)); [INFO] [stdout] 51 | | [INFO] [stdout] 52 | | let a: Vec = args.map(|x| x.unwrap()).collect(); [INFO] [stdout] ... | [INFO] [stdout] 56 | | bail!("not a primop"); [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] = 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/main.rs:62:5 [INFO] [stdout] | [INFO] [stdout] 61 | fn eval(env: &Env, expr: Expr) -> Expr { [INFO] [stdout] | ---------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 62 | / match expr { [INFO] [stdout] 63 | | Var(x) => env.vars.get(&x).map(|x| (*x).clone()).unwrap_or(Var(x)), [INFO] [stdout] 64 | | App(f, args) => apply(env, *f, args)?, [INFO] [stdout] 65 | | x => x, [INFO] [stdout] 66 | | } [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/main.rs:80:5 [INFO] [stdout] | [INFO] [stdout] 70 | fn bin_op(f: impl Fn(f64, f64) -> f64, init: f64, args: Vec) -> Expr { [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] 80 | Num(acc) [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 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 3 previous errors [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `backlash` (bin "backlash") due to 4 previous errors [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: could not compile `backlash` (bin "backlash" test) due to 4 previous errors [INFO] running `Command { std: "docker" "inspect" "fa32dbc515bdb13e62f40cf1d92ff1b07b67958f93b1642b50b404e6b91dadd6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "fa32dbc515bdb13e62f40cf1d92ff1b07b67958f93b1642b50b404e6b91dadd6", kill_on_drop: false }` [INFO] [stdout] fa32dbc515bdb13e62f40cf1d92ff1b07b67958f93b1642b50b404e6b91dadd6