[INFO] fetching crate rhun 0.1.0...
[INFO] checking rhun-0.1.0 against master#1f12b9b0fdbe735968ac002792a720f0ba4faca6 for crater-rollup-uwu
[INFO] extracting crate rhun 0.1.0 into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate rhun 0.1.0 on toolchain 1f12b9b0fdbe735968ac002792a720f0ba4faca6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rhun 0.1.0
[INFO] finished tweaking crates.io crate rhun 0.1.0
[INFO] tweaked toml for crates.io crate rhun 0.1.0 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate crates.io crate rhun 0.1.0 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" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 93d0ca9a5cc3fd82d3d0257ea9c6c60ea9c2e1c976dd8fb9f86ed05e578da12a
[INFO] running `Command { std: "docker" "start" "-a" "93d0ca9a5cc3fd82d3d0257ea9c6c60ea9c2e1c976dd8fb9f86ed05e578da12a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "93d0ca9a5cc3fd82d3d0257ea9c6c60ea9c2e1c976dd8fb9f86ed05e578da12a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "93d0ca9a5cc3fd82d3d0257ea9c6c60ea9c2e1c976dd8fb9f86ed05e578da12a", kill_on_drop: false }`
[INFO] [stdout] 93d0ca9a5cc3fd82d3d0257ea9c6c60ea9c2e1c976dd8fb9f86ed05e578da12a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] dab83f73273a4aa3c1529f7348970454d91804a67bf0039dab7ecad261b81e9f
[INFO] running `Command { std: "docker" "start" "-a" "dab83f73273a4aa3c1529f7348970454d91804a67bf0039dab7ecad261b81e9f", kill_on_drop: false }`
[INFO] [stderr]    Compiling rhun v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.15s
[INFO] running `Command { std: "docker" "inspect" "dab83f73273a4aa3c1529f7348970454d91804a67bf0039dab7ecad261b81e9f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dab83f73273a4aa3c1529f7348970454d91804a67bf0039dab7ecad261b81e9f", kill_on_drop: false }`
[INFO] [stdout] dab83f73273a4aa3c1529f7348970454d91804a67bf0039dab7ecad261b81e9f
[INFO] checking rhun-0.1.0 against try#f9935d29d867449445ee008640ccca1bf1ae0889+rustflags=-Dtail_expr_drop_order for crater-rollup-uwu
[INFO] extracting crate rhun 0.1.0 into /workspace/builds/worker-4-tc2/source
[INFO] validating manifest of crates.io crate rhun 0.1.0 on toolchain f9935d29d867449445ee008640ccca1bf1ae0889
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f9935d29d867449445ee008640ccca1bf1ae0889" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rhun 0.1.0
[INFO] finished tweaking crates.io crate rhun 0.1.0
[INFO] tweaked toml for crates.io crate rhun 0.1.0 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] crate crates.io crate rhun 0.1.0 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" "+f9935d29d867449445ee008640ccca1bf1ae0889" "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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+f9935d29d867449445ee008640ccca1bf1ae0889" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] dd324dd0c1b3e6e29d0186f27331987959cb93a9bc9c1fdc139228db0236b77f
[INFO] running `Command { std: "docker" "start" "-a" "dd324dd0c1b3e6e29d0186f27331987959cb93a9bc9c1fdc139228db0236b77f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dd324dd0c1b3e6e29d0186f27331987959cb93a9bc9c1fdc139228db0236b77f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dd324dd0c1b3e6e29d0186f27331987959cb93a9bc9c1fdc139228db0236b77f", kill_on_drop: false }`
[INFO] [stdout] dd324dd0c1b3e6e29d0186f27331987959cb93a9bc9c1fdc139228db0236b77f
[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 -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" "+f9935d29d867449445ee008640ccca1bf1ae0889" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] eda7ad6e3bfe599555c87e36d3b2b27564682545cde930499b07a2b53813a887
[INFO] running `Command { std: "docker" "start" "-a" "eda7ad6e3bfe599555c87e36d3b2b27564682545cde930499b07a2b53813a887", kill_on_drop: false }`
[INFO] [stderr]    Compiling rhun 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/lib.rs:68:16
[INFO] [stdout]    |
[INFO] [stdout] 55 |     let file = match std::fs::File::open(format!("/tmp/rhun_timestamp_{}", username)) {
[INFO] [stdout]    |         ---- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] 56 |         Ok(x) => x,
[INFO] [stdout]    |            - these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] 57 |         Err(x) => {
[INFO] [stdout]    |             - these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] ...
[INFO] [stdout] 68 |             && md.modified().ok()?.elapsed().ok()? < std::time::Duration::from_secs(300),
[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/lib.rs:68:16
[INFO] [stdout]    |
[INFO] [stdout] 55 |     let file = match std::fs::File::open(format!("/tmp/rhun_timestamp_{}", username)) {
[INFO] [stdout]    |         ---- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] 56 |         Ok(x) => x,
[INFO] [stdout]    |            - these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] 57 |         Err(x) => {
[INFO] [stdout]    |             - these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] ...
[INFO] [stdout] 68 |             && md.modified().ok()?.elapsed().ok()? < std::time::Duration::from_secs(300),
[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: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rhun` (lib test) due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `rhun` (lib) due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "eda7ad6e3bfe599555c87e36d3b2b27564682545cde930499b07a2b53813a887", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eda7ad6e3bfe599555c87e36d3b2b27564682545cde930499b07a2b53813a887", kill_on_drop: false }`
[INFO] [stdout] eda7ad6e3bfe599555c87e36d3b2b27564682545cde930499b07a2b53813a887