[INFO] cloning repository https://github.com/Spanfile/rust-imageserver [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Spanfile/rust-imageserver" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSpanfile%2Frust-imageserver", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSpanfile%2Frust-imageserver'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 1432cbdea8f79ff554e13a6caa3f1adda16ba1c6 [INFO] checking Spanfile/rust-imageserver/1432cbdea8f79ff554e13a6caa3f1adda16ba1c6 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%2FSpanfile%2Frust-imageserver" "/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/Spanfile/rust-imageserver 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/Spanfile/rust-imageserver [INFO] finished tweaking git repo https://github.com/Spanfile/rust-imageserver [INFO] tweaked toml for git repo https://github.com/Spanfile/rust-imageserver written to /workspace/builds/worker-7-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/Spanfile/rust-imageserver 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: no edition set: defaulting to the 2015 edition while the latest is 2021 [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] fc2436d8dea1c5e5c26da0ad5e2e3199b71442dd2220c54d0e7e48e4c5f2ae28 [INFO] running `Command { std: "docker" "start" "-a" "fc2436d8dea1c5e5c26da0ad5e2e3199b71442dd2220c54d0e7e48e4c5f2ae28", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "fc2436d8dea1c5e5c26da0ad5e2e3199b71442dd2220c54d0e7e48e4c5f2ae28", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "fc2436d8dea1c5e5c26da0ad5e2e3199b71442dd2220c54d0e7e48e4c5f2ae28", kill_on_drop: false }` [INFO] [stdout] fc2436d8dea1c5e5c26da0ad5e2e3199b71442dd2220c54d0e7e48e4c5f2ae28 [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] 0f833bc97f6c6a283953d7c782d3913f8ef5c96c37ca19c74d63612f9c7a4cd6 [INFO] running `Command { std: "docker" "start" "-a" "0f833bc97f6c6a283953d7c782d3913f8ef5c96c37ca19c74d63612f9c7a4cd6", kill_on_drop: false }` [INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021 [INFO] [stderr] Checking libc v0.2.43 [INFO] [stderr] Checking cfg-if v0.1.6 [INFO] [stderr] Checking futures v0.1.25 [INFO] [stderr] Compiling version_check v0.1.5 [INFO] [stderr] Checking scopeguard v0.3.3 [INFO] [stderr] Checking byteorder v1.2.7 [INFO] [stderr] Compiling semver-parser v0.7.0 [INFO] [stderr] Checking rand_core v0.3.0 [INFO] [stderr] Checking crossbeam-utils v0.5.0 [INFO] [stderr] Checking slab v0.4.1 [INFO] [stderr] Checking void v1.0.2 [INFO] [stderr] Checking stable_deref_trait v1.1.1 [INFO] [stderr] Checking lazycell v1.2.0 [INFO] [stderr] Checking nodrop v0.1.12 [INFO] [stderr] Checking memoffset v0.2.1 [INFO] [stderr] Checking fnv v1.0.6 [INFO] [stderr] Checking itoa v0.4.3 [INFO] [stderr] Compiling httparse v1.3.3 [INFO] [stderr] Checking unreachable v1.0.0 [INFO] [stderr] Checking log v0.4.6 [INFO] [stderr] Checking try-lock v0.2.2 [INFO] [stderr] Checking owning_ref v0.3.3 [INFO] [stderr] Checking arrayvec v0.4.7 [INFO] [stderr] Checking smallvec v0.6.5 [INFO] [stderr] Checking indexmap v1.0.2 [INFO] [stderr] Checking string v0.1.1 [INFO] [stderr] Checking rand_core v0.2.2 [INFO] [stderr] Compiling lazy_static v1.1.0 [INFO] [stderr] Checking lock_api v0.1.4 [INFO] [stderr] Compiling semver v0.9.0 [INFO] [stderr] Checking iovec v0.1.2 [INFO] [stderr] Checking rand v0.5.5 [INFO] [stderr] Checking num_cpus v1.8.0 [INFO] [stderr] Checking net2 v0.2.33 [INFO] [stderr] Checking time v0.1.40 [INFO] [stderr] Checking crossbeam-epoch v0.5.2 [INFO] [stderr] Compiling rustc_version v0.2.3 [INFO] [stderr] Checking bytes v0.4.10 [INFO] [stderr] Compiling parking_lot_core v0.3.1 [INFO] [stderr] Checking mio v0.6.16 [INFO] [stderr] Checking crossbeam-deque v0.6.1 [INFO] [stderr] Checking http v0.1.13 [INFO] [stderr] Checking tokio-executor v0.1.5 [INFO] [stderr] Checking tokio-io v0.1.10 [INFO] [stderr] Checking futures-cpupool v0.1.8 [INFO] [stderr] Checking want v0.0.6 [INFO] [stderr] Checking mio-uds v0.6.7 [INFO] [stderr] Checking tokio-timer v0.2.7 [INFO] [stderr] Checking tokio-current-thread v0.1.3 [INFO] [stderr] Checking tokio-threadpool v0.1.8 [INFO] [stderr] Checking tokio-codec v0.1.1 [INFO] [stderr] Checking parking_lot v0.6.4 [INFO] [stderr] Checking tokio-fs v0.1.4 [INFO] [stderr] Checking tokio-reactor v0.1.6 [INFO] [stderr] Checking h2 v0.1.13 [INFO] [stderr] Checking tokio-tcp v0.1.2 [INFO] [stderr] Checking tokio-udp v0.1.2 [INFO] [stderr] Checking tokio-uds v0.2.3 [INFO] [stderr] Checking tokio v0.1.11 [INFO] [stderr] Checking hyper v0.12.13 [INFO] [stderr] Checking rust-imageserver v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/main.rs:9:19 [INFO] [stdout] | [INFO] [stdout] 9 | type BoxFut = Box, Error = hyper::Error> + Send>; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] help: if this is an object-safe trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 9 | type BoxFut = Box, Error = hyper::Error> + Send>; [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/main.rs:9:19 [INFO] [stdout] | [INFO] [stdout] 9 | type BoxFut = Box, Error = hyper::Error> + Send>; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] help: if this is an object-safe trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 9 | type BoxFut = Box, Error = hyper::Error> + Send>; [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `Stream` [INFO] [stdout] --> src/main.rs:5:25 [INFO] [stdout] | [INFO] [stdout] 5 | use hyper::rt::{Future, Stream}; [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `Stream` [INFO] [stdout] --> src/main.rs:5:25 [INFO] [stdout] | [INFO] [stdout] 5 | use hyper::rt::{Future, Stream}; [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` 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/main.rs:26:14 [INFO] [stdout] | [INFO] [stdout] 11 | fn echo(req: Request) -> BoxFut { [INFO] [stdout] | ------------------ these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 12 | let mut response = Response::new(Body::empty()); [INFO] [stdout] | -------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 26 | Box::new(future::ok(response)) [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] [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:26:14 [INFO] [stdout] | [INFO] [stdout] 11 | fn echo(req: Request) -> BoxFut { [INFO] [stdout] | ------------------ these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 12 | let mut response = Response::new(Body::empty()); [INFO] [stdout] | -------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 26 | Box::new(future::ok(response)) [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 `rust-imageserver` (bin "rust-imageserver" test) due to 2 previous errors; 2 warnings emitted [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: could not compile `rust-imageserver` (bin "rust-imageserver") due to 2 previous errors; 2 warnings emitted [INFO] running `Command { std: "docker" "inspect" "0f833bc97f6c6a283953d7c782d3913f8ef5c96c37ca19c74d63612f9c7a4cd6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0f833bc97f6c6a283953d7c782d3913f8ef5c96c37ca19c74d63612f9c7a4cd6", kill_on_drop: false }` [INFO] [stdout] 0f833bc97f6c6a283953d7c782d3913f8ef5c96c37ca19c74d63612f9c7a4cd6