[INFO] fetching crate niffler 2.6.0...
[INFO] checking niffler-2.6.0 against try#c387b04bf028733cd561d62128c8a5eee4bc1458+rustflags=-Dtail_expr_drop_order for pr-130930
[INFO] extracting crate niffler 2.6.0 into /workspace/builds/worker-5-tc2/source
[INFO] validating manifest of crates.io crate niffler 2.6.0 on toolchain c387b04bf028733cd561d62128c8a5eee4bc1458
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate niffler 2.6.0
[INFO] finished tweaking crates.io crate niffler 2.6.0
[INFO] tweaked toml for crates.io crate niffler 2.6.0 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 104 packages to latest compatible versions
[INFO] [stderr]       Adding bitflags v1.3.2 (available: v2.6.0)
[INFO] [stderr]       Adding bytes v0.4.12 (available: v1.7.2)
[INFO] [stderr]       Adding clap v2.34.0 (available: v4.5.18)
[INFO] [stderr]       Adding criterion v0.3.6 (available: v0.5.1)
[INFO] [stderr]       Adding criterion-plot v0.4.5 (available: v0.5.0)
[INFO] [stderr]       Adding futures v0.1.31 (available: v0.3.30)
[INFO] [stderr]       Adding half v1.8.3 (available: v2.4.1)
[INFO] [stderr]       Adding hermit-abi v0.1.19 (available: v0.4.0)
[INFO] [stderr]       Adding itertools v0.10.5 (available: v0.13.0)
[INFO] [stderr]       Adding linux-raw-sys v0.4.14 (available: v0.6.5)
[INFO] [stderr]       Adding textwrap v0.11.0 (available: v0.16.1)
[INFO] [stderr]       Adding unicode-width v0.1.14 (available: v0.2.0)
[INFO] [stderr]       Adding windows-sys v0.52.0 (available: v0.59.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5dfbb8aa96c683c3d0dfe8985e1a88283a5c00633a142803f9ce46dac601e840
[INFO] running `Command { std: "docker" "start" "-a" "5dfbb8aa96c683c3d0dfe8985e1a88283a5c00633a142803f9ce46dac601e840", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5dfbb8aa96c683c3d0dfe8985e1a88283a5c00633a142803f9ce46dac601e840", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5dfbb8aa96c683c3d0dfe8985e1a88283a5c00633a142803f9ce46dac601e840", kill_on_drop: false }`
[INFO] [stdout] 5dfbb8aa96c683c3d0dfe8985e1a88283a5c00633a142803f9ce46dac601e840
[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@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3df04278213b50532a596422f7d5eeccbc5dc2de73ad44735f450bbfe0026ce1
[INFO] running `Command { std: "docker" "start" "-a" "3df04278213b50532a596422f7d5eeccbc5dc2de73ad44735f450bbfe0026ce1", kill_on_drop: false }`
[INFO] [stderr] warning: invalid feature `xz2` in required-features of target `lzma`: `xz2` is not present in [features] section
[INFO] [stderr]    Compiling zstd-safe v7.2.1
[INFO] [stderr]     Checking adler2 v2.0.0
[INFO] [stderr]    Compiling jobserver v0.1.32
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]    Compiling serde_derive v1.0.210
[INFO] [stderr]     Checking miniz_oxide v0.8.0
[INFO] [stderr]    Compiling cc v1.1.22
[INFO] [stderr]     Checking flate2 v1.0.34
[INFO] [stderr]     Checking bgzip v0.3.1
[INFO] [stderr]    Compiling zstd-sys v2.0.13+zstd.1.5.6
[INFO] [stderr]    Compiling bzip2-sys v0.1.11+1.0.8
[INFO] [stderr]    Compiling liblzma-sys v0.3.8
[INFO] [stderr]     Checking bzip2 v0.4.4
[INFO] [stderr]     Checking criterion v0.3.6
[INFO] [stderr]     Checking liblzma v0.3.4
[INFO] [stderr]     Checking zstd v0.13.2
[INFO] [stderr]     Checking niffler v2.6.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 9.39s
[INFO] running `Command { std: "docker" "inspect" "3df04278213b50532a596422f7d5eeccbc5dc2de73ad44735f450bbfe0026ce1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3df04278213b50532a596422f7d5eeccbc5dc2de73ad44735f450bbfe0026ce1", kill_on_drop: false }`
[INFO] [stdout] 3df04278213b50532a596422f7d5eeccbc5dc2de73ad44735f450bbfe0026ce1