[INFO] fetching crate drop-with-owned-fields 0.1.1...
[INFO] checking drop-with-owned-fields-0.1.1 against try#a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d for pr-145342-1
[INFO] extracting crate drop-with-owned-fields 0.1.1 into /workspace/builds/worker-4-tc2/source
[INFO] removed /workspace/builds/worker-4-tc2/source/.cargo/config.toml
[INFO] removed /workspace/builds/worker-4-tc2/source/rust-toolchain.toml
[INFO] started tweaking crates.io crate drop-with-owned-fields 0.1.1
[INFO] finished tweaking crates.io crate drop-with-owned-fields 0.1.1
[INFO] tweaked toml for crates.io crate drop-with-owned-fields 0.1.1 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate drop-with-owned-fields 0.1.1 on toolchain a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 7 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3d70d740d9c76e2ddfe57a01f506e647690df4c832ae1679fc815f9fbdd92169
[INFO] running `Command { std: "docker" "start" "-a" "3d70d740d9c76e2ddfe57a01f506e647690df4c832ae1679fc815f9fbdd92169", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3d70d740d9c76e2ddfe57a01f506e647690df4c832ae1679fc815f9fbdd92169", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3d70d740d9c76e2ddfe57a01f506e647690df4c832ae1679fc815f9fbdd92169", kill_on_drop: false }`
[INFO] [stdout] 3d70d740d9c76e2ddfe57a01f506e647690df4c832ae1679fc815f9fbdd92169
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4fea9e22dd21b55a9d26d0e6be4b8b8516cd9a5bba442d9e48a2e82ede9eda7b
[INFO] running `Command { std: "docker" "start" "-a" "4fea9e22dd21b55a9d26d0e6be4b8b8516cd9a5bba442d9e48a2e82ede9eda7b", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.101
[INFO] [stderr]    Compiling unicode-ident v1.0.18
[INFO] [stderr]    Compiling serde v1.0.219
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]    Compiling syn v2.0.106
[INFO] [stderr]    Compiling drop-with-owned-fields-proc_macros v0.1.1
[INFO] [stderr]    Compiling serde_derive v1.0.219
[INFO] [stderr]     Checking drop-with-owned-fields v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] error: `#[drop_with_owned_fields::drop_with_owned_fields]`: support for this kind of input requires enabling the `drop-sugar` Cargo feature, like so:
[INFO] [stdout]            # Cargo.toml:
[INFO] [stdout]        
[INFO] [stdout]            [dependencies]
[INFO] [stdout]            # ...
[INFO] [stdout]            drop-with-owned-fields.version = "x.y.z"
[INFO] [stdout]            drop-with-owned-fields.features = ["drop-sugar"]
[INFO] [stdout]  --> tests/defer.rs:7:1
[INFO] [stdout]   |
[INFO] [stdout] 7 | impl<F: FnOnce()> Drop for Defer<F> {
[INFO] [stdout]   | ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `Defer<F>: DropWithOwnedFields` is not satisfied
[INFO] [stdout]  --> tests/defer.rs:3:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | #[drop_with_owned_fields(as _)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the trait `DropWithOwnedFields` is not implemented for `Defer<F>`
[INFO] [stdout]   |
[INFO] [stdout]   = note: The `#[drop_with_owned_fields]` annotation expects 🫵 you to provide a companion `impl` of `DropWithOwnedFields` (the whole point!).
[INFO] [stdout]           
[INFO] [stdout]           If you have enabled the `"drop-sugar"` Cargo feature, you can even write a direct `impl` of `Drop` instead, but with a `#[drop_with_owned_fields]` annotation on top of it.
[INFO] [stdout]           
[INFO] [stdout]   = note: this error originates in the attribute macro `drop_with_owned_fields` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0277`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `drop-with-owned-fields` (test "defer") due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: struct `Txn` is never constructed
[INFO] [stdout]   --> tests/main.rs:13:16
[INFO] [stdout]    |
[INFO] [stdout] 13 |     pub struct Txn {}
[INFO] [stdout]    |                ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `roll_back` is never used
[INFO] [stdout]   --> tests/main.rs:15:12
[INFO] [stdout]    |
[INFO] [stdout] 14 |     impl Txn {
[INFO] [stdout]    |     -------- method in this implementation
[INFO] [stdout] 15 |         fn roll_back(self) {}
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "4fea9e22dd21b55a9d26d0e6be4b8b8516cd9a5bba442d9e48a2e82ede9eda7b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4fea9e22dd21b55a9d26d0e6be4b8b8516cd9a5bba442d9e48a2e82ede9eda7b", kill_on_drop: false }`
[INFO] [stdout] 4fea9e22dd21b55a9d26d0e6be4b8b8516cd9a5bba442d9e48a2e82ede9eda7b