[INFO] updating cached repository https://github.com/abhijat/rgr [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune", kill_on_drop: false }` [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] a2c5e606d4cba9f9f4d2eb3acd99dae4e6f664a9 [INFO] checking abhijat/rgr/a2c5e606d4cba9f9f4d2eb3acd99dae4e6f664a9 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%2Fabhijat%2Frgr" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/abhijat/rgr 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/abhijat/rgr [INFO] finished tweaking git repo https://github.com/abhijat/rgr [INFO] tweaked toml for git repo https://github.com/abhijat/rgr written to /workspace/builds/worker-6-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/abhijat/rgr 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] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 191cc375a066f1a8f908720335f4d3b6ed5d6da47d35463729a8be64e820b66a [INFO] running `Command { std: "docker" "start" "-a" "191cc375a066f1a8f908720335f4d3b6ed5d6da47d35463729a8be64e820b66a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "191cc375a066f1a8f908720335f4d3b6ed5d6da47d35463729a8be64e820b66a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "191cc375a066f1a8f908720335f4d3b6ed5d6da47d35463729a8be64e820b66a", kill_on_drop: false }` [INFO] [stdout] 191cc375a066f1a8f908720335f4d3b6ed5d6da47d35463729a8be64e820b66a [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 2b6dd9ae883b703f68b7a3634214c971efd70099b80c197592ea7b01201fc764 [INFO] running `Command { std: "docker" "start" "-a" "2b6dd9ae883b703f68b7a3634214c971efd70099b80c197592ea7b01201fc764", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.47 [INFO] [stderr] Checking cfg-if v0.1.6 [INFO] [stderr] Compiling semver-parser v0.7.0 [INFO] [stderr] Checking rand_core v0.3.0 [INFO] [stderr] Compiling autocfg v0.1.2 [INFO] [stderr] Checking void v1.0.2 [INFO] [stderr] Checking lazy_static v1.2.0 [INFO] [stderr] Checking stable_deref_trait v1.1.1 [INFO] [stderr] Compiling proc-macro2 v0.4.25 [INFO] [stderr] Checking byteorder v1.2.7 [INFO] [stderr] Compiling memchr v2.1.3 [INFO] [stderr] Checking lazycell v1.2.1 [INFO] [stderr] Checking scopeguard v0.3.3 [INFO] [stderr] Checking futures v0.1.25 [INFO] [stderr] Checking slab v0.4.2 [INFO] [stderr] Compiling unicode-xid v0.1.0 [INFO] [stderr] Checking log v0.4.6 [INFO] [stderr] Checking owning_ref v0.4.0 [INFO] [stderr] Checking crossbeam-utils v0.6.3 [INFO] [stderr] Checking bitflags v1.0.4 [INFO] [stderr] Compiling regex v1.1.0 [INFO] [stderr] Compiling ryu v0.2.7 [INFO] [stderr] Checking unreachable v1.0.0 [INFO] [stderr] Checking ucd-util v0.1.3 [INFO] [stderr] Compiling serde v1.0.85 [INFO] [stderr] Checking smallvec v0.6.7 [INFO] [stderr] Checking thread_local v0.3.6 [INFO] [stderr] Checking rand_hc v0.1.0 [INFO] [stderr] Checking rand_isaac v0.1.1 [INFO] [stderr] Checking rand_xorshift v0.1.1 [INFO] [stderr] Compiling semver v0.9.0 [INFO] [stderr] Checking lock_api v0.1.5 [INFO] [stderr] Compiling rand_chacha v0.1.1 [INFO] [stderr] Compiling rand v0.6.4 [INFO] [stderr] Checking regex-syntax v0.6.4 [INFO] [stderr] Checking quick-error v1.2.2 [INFO] [stderr] Checking unicode-width v0.1.5 [INFO] [stderr] Compiling rustc_version v0.2.3 [INFO] [stderr] Checking utf8-ranges v1.0.2 [INFO] [stderr] Checking same-file v1.0.4 [INFO] [stderr] Checking textwrap v0.10.0 [INFO] [stderr] Checking humantime v1.2.0 [INFO] [stderr] Checking walkdir v2.2.7 [INFO] [stderr] Checking termcolor v1.0.4 [INFO] [stderr] Checking ansi_term v0.11.0 [INFO] [stderr] Checking itoa v0.4.3 [INFO] [stderr] Checking vec_map v0.8.1 [INFO] [stderr] Checking strsim v0.7.0 [INFO] [stderr] Compiling rand_pcg v0.1.1 [INFO] [stderr] Compiling parking_lot_core v0.4.0 [INFO] [stderr] Checking iovec v0.1.2 [INFO] [stderr] Checking rand_os v0.1.1 [INFO] [stderr] Checking net2 v0.2.33 [INFO] [stderr] Checking num_cpus v1.9.0 [INFO] [stderr] Checking inotify-sys v0.1.3 [INFO] [stderr] Checking atty v0.2.11 [INFO] [stderr] Checking filetime v0.2.4 [INFO] [stderr] Compiling quote v0.6.11 [INFO] [stderr] Checking clap v2.32.0 [INFO] [stderr] Checking bytes v0.4.11 [INFO] [stderr] Compiling syn v0.15.26 [INFO] [stderr] Checking mio v0.6.16 [INFO] [stderr] Checking aho-corasick v0.6.9 [INFO] [stderr] Checking tokio-io v0.1.11 [INFO] [stderr] Checking tokio-executor v0.1.6 [INFO] [stderr] Checking mio-extras v2.0.5 [INFO] [stderr] Checking parking_lot v0.7.1 [INFO] [stderr] Checking env_logger v0.6.0 [INFO] [stderr] Checking tokio-reactor v0.1.8 [INFO] [stderr] Checking inotify v0.6.1 [INFO] [stderr] Checking notify v4.0.6 [INFO] [stderr] Compiling serde_derive v1.0.85 [INFO] [stderr] Checking serde_json v1.0.36 [INFO] [stderr] Checking rgr v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/watcher/file_change_actions.rs:4:54 [INFO] [stdout] | [INFO] [stdout] 4 | pub fn react_to_file_change(filename: &str, filter: &Fn(&str) -> bool, config: &WatcherConfig) { [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) 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] 4 | pub fn react_to_file_change(filename: &str, filter: &dyn Fn(&str) -> bool, config: &WatcherConfig) { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/watcher/file_change_actions.rs:4:54 [INFO] [stdout] | [INFO] [stdout] 4 | pub fn react_to_file_change(filename: &str, filter: &Fn(&str) -> bool, config: &WatcherConfig) { [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) 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] 4 | pub fn react_to_file_change(filename: &str, filter: &dyn Fn(&str) -> bool, config: &WatcherConfig) { [INFO] [stdout] | +++ [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/config_parser.rs:34:5 [INFO] [stdout] | [INFO] [stdout] 27 | let mut file = fs::File::open(file_path) [INFO] [stdout] | ---- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 34 | serde_json::from_str::(buffer.as_str()) [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; 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `rgr` (bin "rgr" test) due to 2 previous errors; 1 warning emitted [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/config_parser.rs:34:5 [INFO] [stdout] | [INFO] [stdout] 27 | let mut file = fs::File::open(file_path) [INFO] [stdout] | ---- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 34 | serde_json::from_str::(buffer.as_str()) [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; 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `rgr` (bin "rgr") due to 2 previous errors; 1 warning emitted [INFO] running `Command { std: "docker" "inspect" "2b6dd9ae883b703f68b7a3634214c971efd70099b80c197592ea7b01201fc764", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2b6dd9ae883b703f68b7a3634214c971efd70099b80c197592ea7b01201fc764", kill_on_drop: false }` [INFO] [stdout] 2b6dd9ae883b703f68b7a3634214c971efd70099b80c197592ea7b01201fc764