[INFO] fetching crate timeout-readwrite 0.3.3...
[INFO] checking timeout-readwrite-0.3.3 against master#1f12b9b0fdbe735968ac002792a720f0ba4faca6 for crater-rollup-uwu
[INFO] extracting crate timeout-readwrite 0.3.3 into /workspace/builds/worker-5-tc1/source
[INFO] validating manifest of crates.io crate timeout-readwrite 0.3.3 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 timeout-readwrite 0.3.3
[INFO] finished tweaking crates.io crate timeout-readwrite 0.3.3
[INFO] tweaked toml for crates.io crate timeout-readwrite 0.3.3 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] crate crates.io crate timeout-readwrite 0.3.3 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] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded nix v0.26.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] dc36a261526b6be1ba36c94cc6cd7ee1b68f961fd9bb78a03a536cbb545baa4a
[INFO] running `Command { std: "docker" "start" "-a" "dc36a261526b6be1ba36c94cc6cd7ee1b68f961fd9bb78a03a536cbb545baa4a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dc36a261526b6be1ba36c94cc6cd7ee1b68f961fd9bb78a03a536cbb545baa4a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dc36a261526b6be1ba36c94cc6cd7ee1b68f961fd9bb78a03a536cbb545baa4a", kill_on_drop: false }`
[INFO] [stdout] dc36a261526b6be1ba36c94cc6cd7ee1b68f961fd9bb78a03a536cbb545baa4a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 4af43806b48c9d0f1f301e999d89c3b55479afa8a075d0bf6013e6db3f696933
[INFO] running `Command { std: "docker" "start" "-a" "4af43806b48c9d0f1f301e999d89c3b55479afa8a075d0bf6013e6db3f696933", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021
[INFO] [stderr]     Checking lazy_static v1.3.0
[INFO] [stderr]     Checking nix v0.26.1
[INFO] [stderr]     Checking timeout-readwrite v0.3.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.23s
[INFO] running `Command { std: "docker" "inspect" "4af43806b48c9d0f1f301e999d89c3b55479afa8a075d0bf6013e6db3f696933", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4af43806b48c9d0f1f301e999d89c3b55479afa8a075d0bf6013e6db3f696933", kill_on_drop: false }`
[INFO] [stdout] 4af43806b48c9d0f1f301e999d89c3b55479afa8a075d0bf6013e6db3f696933
[INFO] checking timeout-readwrite-0.3.3 against try#f9935d29d867449445ee008640ccca1bf1ae0889+rustflags=-Dtail_expr_drop_order for crater-rollup-uwu
[INFO] extracting crate timeout-readwrite 0.3.3 into /workspace/builds/worker-5-tc2/source
[INFO] validating manifest of crates.io crate timeout-readwrite 0.3.3 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 timeout-readwrite 0.3.3
[INFO] finished tweaking crates.io crate timeout-readwrite 0.3.3
[INFO] tweaked toml for crates.io crate timeout-readwrite 0.3.3 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] crate crates.io crate timeout-readwrite 0.3.3 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] [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-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] b130b8d816dda2408b7bc52f2589c3a0f01b45e01c4ab896819298d4a2a72bc4
[INFO] running `Command { std: "docker" "start" "-a" "b130b8d816dda2408b7bc52f2589c3a0f01b45e01c4ab896819298d4a2a72bc4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b130b8d816dda2408b7bc52f2589c3a0f01b45e01c4ab896819298d4a2a72bc4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b130b8d816dda2408b7bc52f2589c3a0f01b45e01c4ab896819298d4a2a72bc4", kill_on_drop: false }`
[INFO] [stdout] b130b8d816dda2408b7bc52f2589c3a0f01b45e01c4ab896819298d4a2a72bc4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 95ddeb346a961381adcfd0f36d7c4bee078dcbe1c71a53adae4bfd7e908c253a
[INFO] running `Command { std: "docker" "start" "-a" "95ddeb346a961381adcfd0f36d7c4bee078dcbe1c71a53adae4bfd7e908c253a", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021
[INFO] [stderr]     Checking lazy_static v1.3.0
[INFO] [stderr]     Checking nix v0.26.1
[INFO] [stderr]     Checking timeout-readwrite v0.3.3 (/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]   --> examples/process.rs:35:15
[INFO] [stdout]    |
[INFO] [stdout] 21 | fn do_command<I: Iterator<Item = String>>(mut args: I) -> Result<()> {
[INFO] [stdout]    |                                           ----------- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] 22 |     let cmd = args.next().expect("did not pass a program");
[INFO] [stdout] 23 |     let mut cmd = process::Command::new(cmd);
[INFO] [stdout]    |             --- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] ...
[INFO] [stdout] 28 |     let child = cmd
[INFO] [stdout]    |         ----- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] ...
[INFO] [stdout] 34 |     let stdout = child.stdout.expect("stdout must be there");
[INFO] [stdout]    |         ------ these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] 35 |     each_line(BufReader::new(stdout.with_timeout(Duration::new(5, 0))))
[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] [stderr] error: could not compile `timeout-readwrite` (example "process") due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "95ddeb346a961381adcfd0f36d7c4bee078dcbe1c71a53adae4bfd7e908c253a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "95ddeb346a961381adcfd0f36d7c4bee078dcbe1c71a53adae4bfd7e908c253a", kill_on_drop: false }`
[INFO] [stdout] 95ddeb346a961381adcfd0f36d7c4bee078dcbe1c71a53adae4bfd7e908c253a