[INFO] fetching crate metaflac 0.2.7...
[INFO] checking metaflac-0.2.7 against master#1f12b9b0fdbe735968ac002792a720f0ba4faca6 for crater-rollup-uwu
[INFO] extracting crate metaflac 0.2.7 into /workspace/builds/worker-0-tc1/source
[INFO] validating manifest of crates.io crate metaflac 0.2.7 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 metaflac 0.2.7
[INFO] finished tweaking crates.io crate metaflac 0.2.7
[INFO] tweaked toml for crates.io crate metaflac 0.2.7 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 3 packages to latest compatible versions
[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-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 85b959896f0dfd54375fa2f8fba19c7930c028d4b8ba4583da234cf976d77c88
[INFO] running `Command { std: "docker" "start" "-a" "85b959896f0dfd54375fa2f8fba19c7930c028d4b8ba4583da234cf976d77c88", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "85b959896f0dfd54375fa2f8fba19c7930c028d4b8ba4583da234cf976d77c88", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "85b959896f0dfd54375fa2f8fba19c7930c028d4b8ba4583da234cf976d77c88", kill_on_drop: false }`
[INFO] [stdout] 85b959896f0dfd54375fa2f8fba19c7930c028d4b8ba4583da234cf976d77c88
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] e4972ea94c4f7a20430be705c90bb6ba6f09bb7f90f417cd587b0002ab06a1ae
[INFO] running `Command { std: "docker" "start" "-a" "e4972ea94c4f7a20430be705c90bb6ba6f09bb7f90f417cd587b0002ab06a1ae", kill_on_drop: false }`
[INFO] [stderr]     Checking metaflac v0.2.7 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.35s
[INFO] running `Command { std: "docker" "inspect" "e4972ea94c4f7a20430be705c90bb6ba6f09bb7f90f417cd587b0002ab06a1ae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e4972ea94c4f7a20430be705c90bb6ba6f09bb7f90f417cd587b0002ab06a1ae", kill_on_drop: false }`
[INFO] [stdout] e4972ea94c4f7a20430be705c90bb6ba6f09bb7f90f417cd587b0002ab06a1ae
[INFO] checking metaflac-0.2.7 against try#f9935d29d867449445ee008640ccca1bf1ae0889+rustflags=-Dtail_expr_drop_order for crater-rollup-uwu
[INFO] extracting crate metaflac 0.2.7 into /workspace/builds/worker-0-tc2/source
[INFO] validating manifest of crates.io crate metaflac 0.2.7 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 metaflac 0.2.7
[INFO] finished tweaking crates.io crate metaflac 0.2.7
[INFO] tweaked toml for crates.io crate metaflac 0.2.7 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f9935d29d867449445ee008640ccca1bf1ae0889" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 3 packages to latest compatible versions
[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-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] c23e808cad7bd49b8747c4cd13089f1e028e3d129ceba280c4064d458ce3d934
[INFO] running `Command { std: "docker" "start" "-a" "c23e808cad7bd49b8747c4cd13089f1e028e3d129ceba280c4064d458ce3d934", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c23e808cad7bd49b8747c4cd13089f1e028e3d129ceba280c4064d458ce3d934", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c23e808cad7bd49b8747c4cd13089f1e028e3d129ceba280c4064d458ce3d934", kill_on_drop: false }`
[INFO] [stdout] c23e808cad7bd49b8747c4cd13089f1e028e3d129ceba280c4064d458ce3d934
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] f47ce5d5485bb8ac0ed34a177d83d501f6b048ac858881788c2ad5d613ef7d9e
[INFO] running `Command { std: "docker" "start" "-a" "f47ce5d5485bb8ac0ed34a177d83d501f6b048ac858881788c2ad5d613ef7d9e", kill_on_drop: false }`
[INFO] [stderr]     Checking metaflac v0.2.7 (/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/error.rs:66:19
[INFO] [stdout]    |
[INFO] [stdout] 64 |     fn from(err: io::Error) -> Error {
[INFO] [stdout]    |             -------------- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] 65 |         Error {
[INFO] [stdout] 66 |             kind: ErrorKind::Io(err),
[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: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021
[INFO] [stdout]   --> src/error.rs:66:19
[INFO] [stdout]    |
[INFO] [stdout] 64 |     fn from(err: io::Error) -> Error {
[INFO] [stdout]    |             -------------- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] 65 |         Error {
[INFO] [stdout] 66 |             kind: ErrorKind::Io(err),
[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 `metaflac` (lib) due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `metaflac` (lib test) due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "f47ce5d5485bb8ac0ed34a177d83d501f6b048ac858881788c2ad5d613ef7d9e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f47ce5d5485bb8ac0ed34a177d83d501f6b048ac858881788c2ad5d613ef7d9e", kill_on_drop: false }`
[INFO] [stdout] f47ce5d5485bb8ac0ed34a177d83d501f6b048ac858881788c2ad5d613ef7d9e