[INFO] cloning repository https://github.com/TGLuong/tower
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/TGLuong/tower" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTGLuong%2Ftower", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTGLuong%2Ftower'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 057fabe2a8448f1069f0628e12930c249d0e796e
[INFO] checking TGLuong/tower/057fabe2a8448f1069f0628e12930c249d0e796e 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%2FTGLuong%2Ftower" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/TGLuong/tower 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/TGLuong/tower
[INFO] removed 0 missing examples
[INFO] finished tweaking git repo https://github.com/TGLuong/tower
[INFO] tweaked toml for git repo https://github.com/TGLuong/tower written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/TGLuong/tower 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-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 9f66694d0dad768d10cfa99389b3632be67cff79eefecb9448c09bfb349e7d25
[INFO] running `Command { std: "docker" "start" "-a" "9f66694d0dad768d10cfa99389b3632be67cff79eefecb9448c09bfb349e7d25", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9f66694d0dad768d10cfa99389b3632be67cff79eefecb9448c09bfb349e7d25", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9f66694d0dad768d10cfa99389b3632be67cff79eefecb9448c09bfb349e7d25", kill_on_drop: false }`
[INFO] [stdout] 9f66694d0dad768d10cfa99389b3632be67cff79eefecb9448c09bfb349e7d25
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 1aae8204789f8991f0188427834d6c87029b64b74875e31947436cd3369f91ea
[INFO] running `Command { std: "docker" "start" "-a" "1aae8204789f8991f0188427834d6c87029b64b74875e31947436cd3369f91ea", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.39
[INFO] [stderr]    Compiling unicode-ident v1.0.1
[INFO] [stderr]    Compiling syn v1.0.96
[INFO] [stderr]    Compiling futures-core v0.3.21
[INFO] [stderr]     Checking pin-project-lite v0.2.9
[INFO] [stderr]     Checking once_cell v1.12.0
[INFO] [stderr]    Compiling libc v0.2.126
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling futures-task v0.3.21
[INFO] [stderr]    Compiling futures-channel v0.3.21
[INFO] [stderr]     Checking futures-sink v0.3.21
[INFO] [stderr]    Compiling futures-util v0.3.21
[INFO] [stderr]     Checking futures-io v0.3.21
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]     Checking slab v0.4.6
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]     Checking tower-layer v0.3.1
[INFO] [stderr]     Checking sharded-slab v0.1.4
[INFO] [stderr]     Checking tracing-core v0.1.27
[INFO] [stderr]     Checking thread_local v1.1.4
[INFO] [stderr]     Checking ansi_term v0.12.1
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]     Checking itoa v1.0.2
[INFO] [stderr]     Checking http v0.2.8
[INFO] [stderr]     Checking tracing v0.1.35
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]     Checking tower v0.4.13 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait `Sealed` is never used
[INFO] [stdout]    --> src/lib.rs:238:15
[INFO] [stdout]     |
[INFO] [stdout] 238 |     pub trait Sealed<T> {}
[INFO] [stdout]     |               ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` 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/builder/mod.rs:134:20
[INFO] [stdout]     |
[INFO] [stdout] 132 |     pub fn layer<T>(self, layer: T) -> ServiceBuilder<Stack<T, L>> {
[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] 133 |         ServiceBuilder {
[INFO] [stdout] 134 |             layer: Stack::new(layer, self.layer),
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this changes meaning in Rust 2024
[INFO] [stdout]     = note: for more information, see issue #123739 <https://github.com/rust-lang/rust/issues/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/builder/mod.rs:169:20
[INFO] [stdout]     |
[INFO] [stdout] 168 |     pub fn layer_fn<F>(self, f: F) -> ServiceBuilder<Stack<crate::layer::LayerFn<F>, L>> {
[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] 169 |         self.layer(crate::layer::layer_fn(f))
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this changes meaning in Rust 2024
[INFO] [stdout]     = note: for more information, see issue #123739 <https://github.com/rust-lang/rust/issues/123739>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling quote v1.0.18
[INFO] [stderr] error: could not compile `tower` (lib) due to 3 previous errors; 1 warning emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "1aae8204789f8991f0188427834d6c87029b64b74875e31947436cd3369f91ea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1aae8204789f8991f0188427834d6c87029b64b74875e31947436cd3369f91ea", kill_on_drop: false }`
[INFO] [stdout] 1aae8204789f8991f0188427834d6c87029b64b74875e31947436cd3369f91ea