[INFO] cloning repository https://github.com/MakeWorkSimple/learn_rust [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/MakeWorkSimple/learn_rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMakeWorkSimple%2Flearn_rust", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMakeWorkSimple%2Flearn_rust'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 560701a362c5660107f4ff56ed99725d84a0c6e1 [INFO] checking MakeWorkSimple/learn_rust/560701a362c5660107f4ff56ed99725d84a0c6e1 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%2FMakeWorkSimple%2Flearn_rust" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/MakeWorkSimple/learn_rust 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/MakeWorkSimple/learn_rust [INFO] finished tweaking git repo https://github.com/MakeWorkSimple/learn_rust [INFO] tweaked toml for git repo https://github.com/MakeWorkSimple/learn_rust written to /workspace/builds/worker-3-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/MakeWorkSimple/learn_rust 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-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] eea834a8e4d9a04dc6c051f09c8f4d70627c2a0a225559571f5f9b72ac2fd7c2 [INFO] running `Command { std: "docker" "start" "-a" "eea834a8e4d9a04dc6c051f09c8f4d70627c2a0a225559571f5f9b72ac2fd7c2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "eea834a8e4d9a04dc6c051f09c8f4d70627c2a0a225559571f5f9b72ac2fd7c2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "eea834a8e4d9a04dc6c051f09c8f4d70627c2a0a225559571f5f9b72ac2fd7c2", kill_on_drop: false }` [INFO] [stdout] eea834a8e4d9a04dc6c051f09c8f4d70627c2a0a225559571f5f9b72ac2fd7c2 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 17bc581195677d85d11b296f805738a3556bf6e7d98dbeaf8a8bc118d2ef0993 [INFO] running `Command { std: "docker" "start" "-a" "17bc581195677d85d11b296f805738a3556bf6e7d98dbeaf8a8bc118d2ef0993", 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] Compiling version_check v0.1.5 [INFO] [stderr] Checking futures v0.1.25 [INFO] [stderr] Compiling semver-parser v0.7.0 [INFO] [stderr] Checking byteorder v1.2.7 [INFO] [stderr] Checking scopeguard v0.3.3 [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] Compiling num-traits v0.2.6 [INFO] [stderr] Checking log v0.4.6 [INFO] [stderr] Checking ucd-util v0.1.2 [INFO] [stderr] Compiling num-integer v0.1.39 [INFO] [stderr] Checking rand_core v0.2.2 [INFO] [stderr] Checking unreachable v1.0.0 [INFO] [stderr] Compiling regex v1.0.5 [INFO] [stderr] Checking arrayvec v0.4.7 [INFO] [stderr] Checking fnv v1.0.6 [INFO] [stderr] Checking itoa v0.4.3 [INFO] [stderr] Compiling httparse v1.3.3 [INFO] [stderr] Checking owning_ref v0.3.3 [INFO] [stderr] Checking regex-syntax v0.6.2 [INFO] [stderr] Checking utf8-ranges v1.0.2 [INFO] [stderr] Checking smallvec v0.6.5 [INFO] [stderr] Compiling semver v0.9.0 [INFO] [stderr] Compiling lazy_static v1.1.0 [INFO] [stderr] Compiling memchr v2.1.1 [INFO] [stderr] Checking quick-error v1.2.2 [INFO] [stderr] Checking termcolor v1.0.4 [INFO] [stderr] Checking humantime v1.1.1 [INFO] [stderr] Checking lock_api v0.1.4 [INFO] [stderr] Checking indexmap v1.0.2 [INFO] [stderr] Checking try-lock v0.2.2 [INFO] [stderr] Checking string v0.1.1 [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 bytes v0.4.10 [INFO] [stderr] Checking net2 v0.2.33 [INFO] [stderr] Checking time v0.1.40 [INFO] [stderr] Checking atty v0.2.11 [INFO] [stderr] Checking crossbeam-epoch v0.5.2 [INFO] [stderr] Checking thread_local v0.3.6 [INFO] [stderr] Checking ansi_term v0.11.0 [INFO] [stderr] Compiling rustc_version v0.2.3 [INFO] [stderr] Checking mio v0.6.16 [INFO] [stderr] Checking aho-corasick v0.6.9 [INFO] [stderr] Checking crossbeam-deque v0.6.1 [INFO] [stderr] Compiling parking_lot_core v0.3.1 [INFO] [stderr] Checking http v0.1.13 [INFO] [stderr] Checking chrono v0.4.6 [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-threadpool v0.1.8 [INFO] [stderr] Checking tokio-timer v0.2.7 [INFO] [stderr] Checking tokio-current-thread v0.1.3 [INFO] [stderr] Checking parking_lot v0.6.4 [INFO] [stderr] Checking tokio-codec v0.1.1 [INFO] [stderr] Checking tokio-reactor v0.1.6 [INFO] [stderr] Checking tokio-fs v0.1.4 [INFO] [stderr] Checking tokio-udp v0.1.2 [INFO] [stderr] Checking tokio-tcp v0.1.2 [INFO] [stderr] Checking tokio-uds v0.2.3 [INFO] [stderr] Checking tokio v0.1.11 [INFO] [stderr] Checking h2 v0.1.13 [INFO] [stderr] Checking env_logger v0.5.13 [INFO] [stderr] Checking pretty_env_logger v0.2.5 [INFO] [stderr] Checking hyper v0.12.13 [INFO] [stderr] Checking spider 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:41:5 [INFO] [stdout] | [INFO] [stdout] 38 | fn fetch_url(url: hyper::Uri) -> impl Future { [INFO] [stdout] | --------------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 39 | let client = Client::new(); [INFO] [stdout] | ------ these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 40 | [INFO] [stdout] 41 | / client [INFO] [stdout] 42 | | // Fetch the url... [INFO] [stdout] 43 | | .get(url) [INFO] [stdout] 44 | | // And then, if we get a response back... [INFO] [stdout] ... | [INFO] [stdout] 60 | | println!("\n\nDone."); [INFO] [stdout] 61 | | }) [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:52:13 [INFO] [stdout] | [INFO] [stdout] 45 | .and_then(|res| { [INFO] [stdout] | --- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 52 | res.into_body().for_each(|chunk| { [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:53:17 [INFO] [stdout] | [INFO] [stdout] 52 | res.into_body().for_each(|chunk| { [INFO] [stdout] | ----- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 53 | / io::stdout() [INFO] [stdout] 54 | | .write_all(&chunk) [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] [stderr] error: could not compile `spider` (bin "spider") due to 4 previous errors [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [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:41:5 [INFO] [stdout] | [INFO] [stdout] 38 | fn fetch_url(url: hyper::Uri) -> impl Future { [INFO] [stdout] | --------------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 39 | let client = Client::new(); [INFO] [stdout] | ------ these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 40 | [INFO] [stdout] 41 | / client [INFO] [stdout] 42 | | // Fetch the url... [INFO] [stdout] 43 | | .get(url) [INFO] [stdout] 44 | | // And then, if we get a response back... [INFO] [stdout] ... | [INFO] [stdout] 60 | | println!("\n\nDone."); [INFO] [stdout] 61 | | }) [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:52:13 [INFO] [stdout] | [INFO] [stdout] 45 | .and_then(|res| { [INFO] [stdout] | --- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 52 | res.into_body().for_each(|chunk| { [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:53:17 [INFO] [stdout] | [INFO] [stdout] 52 | res.into_body().for_each(|chunk| { [INFO] [stdout] | ----- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 53 | / io::stdout() [INFO] [stdout] 54 | | .write_all(&chunk) [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] [stderr] error: could not compile `spider` (bin "spider" test) due to 4 previous errors [INFO] running `Command { std: "docker" "inspect" "17bc581195677d85d11b296f805738a3556bf6e7d98dbeaf8a8bc118d2ef0993", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "17bc581195677d85d11b296f805738a3556bf6e7d98dbeaf8a8bc118d2ef0993", kill_on_drop: false }` [INFO] [stdout] 17bc581195677d85d11b296f805738a3556bf6e7d98dbeaf8a8bc118d2ef0993