[INFO] fetching crate metrics-tracing-context 0.16.0...
[INFO] checking metrics-tracing-context-0.16.0 against try#c387b04bf028733cd561d62128c8a5eee4bc1458+rustflags=-Dtail_expr_drop_order for pr-130930
[INFO] extracting crate metrics-tracing-context 0.16.0 into /workspace/builds/worker-4-tc2/source
[INFO] validating manifest of crates.io crate metrics-tracing-context 0.16.0 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 metrics-tracing-context 0.16.0
[INFO] finished tweaking crates.io crate metrics-tracing-context 0.16.0
[INFO] tweaked toml for crates.io crate metrics-tracing-context 0.16.0 written to /workspace/builds/worker-4-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 107 packages to latest compatible versions
[INFO] [stderr]       Adding bitflags v1.3.2 (available: v2.6.0)
[INFO] [stderr]       Adding cast v0.2.7 (available: v0.3.0)
[INFO] [stderr]       Adding clap v2.34.0 (available: v4.5.18)
[INFO] [stderr]       Adding criterion v0.3.3 (available: v0.3.6)
[INFO] [stderr]       Adding criterion-plot v0.4.5 (available: v0.5.0)
[INFO] [stderr]       Adding endian-type v0.1.2 (available: v0.2.0)
[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 hermit-abi v0.3.9 (available: v0.4.0)
[INFO] [stderr]       Adding itertools v0.9.0 (available: v0.13.0)
[INFO] [stderr]       Adding itertools v0.10.5 (available: v0.13.0)
[INFO] [stderr]       Adding itertools v0.12.1 (available: v0.13.0)
[INFO] [stderr]       Adding plotters v0.2.15 (available: v0.3.7)
[INFO] [stderr]       Adding sketches-ddsketch v0.2.2 (available: v0.3.0)
[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 wasi v0.11.0+wasi-snapshot-preview1 (available: v0.13.2+wasi-0.2.1)
[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-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@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8ca5a6c23dc12adf81482fd88243fa0006164b5f673106eee8f8927f75761d55
[INFO] running `Command { std: "docker" "start" "-a" "8ca5a6c23dc12adf81482fd88243fa0006164b5f673106eee8f8927f75761d55", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8ca5a6c23dc12adf81482fd88243fa0006164b5f673106eee8f8927f75761d55", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8ca5a6c23dc12adf81482fd88243fa0006164b5f673106eee8f8927f75761d55", kill_on_drop: false }`
[INFO] [stdout] 8ca5a6c23dc12adf81482fd88243fa0006164b5f673106eee8f8927f75761d55
[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@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] baf0b51adc3be5b55f5bf5e006f178d834c59356094f071bce30a70a5a7d1f92
[INFO] running `Command { std: "docker" "start" "-a" "baf0b51adc3be5b55f5bf5e006f178d834c59356094f071bce30a70a5a7d1f92", kill_on_drop: false }`
[INFO] [stderr]    Compiling semver v1.0.23
[INFO] [stderr]    Compiling serde v1.0.210
[INFO] [stderr]     Checking bitflags v2.6.0
[INFO] [stderr]     Checking nibble_vec v0.1.0
[INFO] [stderr]     Checking unicode-width v0.1.14
[INFO] [stderr]     Checking endian-type v0.1.2
[INFO] [stderr]     Checking regex-syntax v0.8.4
[INFO] [stderr]     Checking num_cpus v1.16.0
[INFO] [stderr]     Checking ordered-float v4.3.0
[INFO] [stderr]     Checking sharded-slab v0.1.7
[INFO] [stderr]     Checking csv-core v0.1.11
[INFO] [stderr]     Checking hashbrown v0.14.5
[INFO] [stderr]     Checking metrics v0.23.0
[INFO] [stderr]     Checking aho-corasick v1.1.3
[INFO] [stderr]     Checking half v1.8.3
[INFO] [stderr]     Checking sketches-ddsketch v0.2.2
[INFO] [stderr]     Checking criterion-plot v0.4.5
[INFO] [stderr]     Checking parking_lot_core v0.9.10
[INFO] [stderr]     Checking radix_trie v0.2.1
[INFO] [stderr]     Checking raw-cpuid v11.1.0
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking plotters v0.2.15
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking itertools v0.9.0
[INFO] [stderr]     Checking lockfree-object-pool v0.1.6
[INFO] [stderr]     Checking clap v2.34.0
[INFO] [stderr]     Checking itertools v0.12.1
[INFO] [stderr]    Compiling rustc_version v0.4.1
[INFO] [stderr]     Checking parking_lot v0.12.3
[INFO] [stderr]     Checking tracing-subscriber v0.3.18
[INFO] [stderr]    Compiling cast v0.2.7
[INFO] [stderr]     Checking indexmap v2.5.0
[INFO] [stderr]     Checking regex-automata v0.4.7
[INFO] [stderr]     Checking quanta v0.12.3
[INFO] [stderr]     Checking metrics-util v0.17.0
[INFO] [stderr]     Checking metrics-tracing-context v0.16.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking regex v1.10.6
[INFO] [stderr]     Checking serde_json v1.0.128
[INFO] [stderr]     Checking serde_cbor v0.11.2
[INFO] [stderr]     Checking csv v1.3.0
[INFO] [stderr]     Checking tinytemplate v1.2.1
[INFO] [stderr]     Checking criterion v0.3.3
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 8.78s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: criterion v0.3.3
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 2`
[INFO] running `Command { std: "docker" "inspect" "baf0b51adc3be5b55f5bf5e006f178d834c59356094f071bce30a70a5a7d1f92", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "baf0b51adc3be5b55f5bf5e006f178d834c59356094f071bce30a70a5a7d1f92", kill_on_drop: false }`
[INFO] [stdout] baf0b51adc3be5b55f5bf5e006f178d834c59356094f071bce30a70a5a7d1f92