[INFO] fetching crate tracexec 0.5.2...
[INFO] checking tracexec-0.5.2 against try#4d98531622e1718ae0bc3c7a1ab9cd8938428452+rustflags=-Dtail_expr_drop_order for pr-129604
[INFO] extracting crate tracexec 0.5.2 into /workspace/builds/worker-2-tc2/source
[INFO] validating manifest of crates.io crate tracexec 0.5.2 on toolchain 4d98531622e1718ae0bc3c7a1ab9cd8938428452
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4d98531622e1718ae0bc3c7a1ab9cd8938428452" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-2-tc2/source/.cargo/config.toml
[INFO] started tweaking crates.io crate tracexec 0.5.2
[INFO] finished tweaking crates.io crate tracexec 0.5.2
[INFO] tweaked toml for crates.io crate tracexec 0.5.2 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] crate crates.io crate tracexec 0.5.2 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" "+4d98531622e1718ae0bc3c7a1ab9cd8938428452" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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" "+4d98531622e1718ae0bc3c7a1ab9cd8938428452" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 03f5fd9c7b2d926d4a299f0d293cf396be0efc7055b56bc54f0c24f96c309571
[INFO] running `Command { std: "docker" "start" "-a" "03f5fd9c7b2d926d4a299f0d293cf396be0efc7055b56bc54f0c24f96c309571", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "03f5fd9c7b2d926d4a299f0d293cf396be0efc7055b56bc54f0c24f96c309571", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "03f5fd9c7b2d926d4a299f0d293cf396be0efc7055b56bc54f0c24f96c309571", kill_on_drop: false }`
[INFO] [stdout] 03f5fd9c7b2d926d4a299f0d293cf396be0efc7055b56bc54f0c24f96c309571
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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" "+4d98531622e1718ae0bc3c7a1ab9cd8938428452" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2b542cb9c34595ddc5004af9ae6169239acf7fec860a850c4ff34cde533ecd96
[INFO] running `Command { std: "docker" "start" "-a" "2b542cb9c34595ddc5004af9ae6169239acf7fec860a850c4ff34cde533ecd96", kill_on_drop: false }`
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling libc v0.2.155
[INFO] [stderr]     Checking memchr v2.7.4
[INFO] [stderr]     Checking once_cell v1.19.0
[INFO] [stderr]     Checking log v0.4.22
[INFO] [stderr]     Checking smallvec v1.13.2
[INFO] [stderr]     Checking bitflags v2.6.0
[INFO] [stderr]     Checking zerocopy v0.7.35
[INFO] [stderr]     Checking pin-project-lite v0.2.14
[INFO] [stderr]     Checking allocator-api2 v0.2.18
[INFO] [stderr]     Checking futures-core v0.3.30
[INFO] [stderr]    Compiling ahash v0.8.11
[INFO] [stderr]    Compiling quote v1.0.36
[INFO] [stderr]    Compiling lock_api v0.4.12
[INFO] [stderr]    Compiling parking_lot_core v0.9.10
[INFO] [stderr]     Checking scopeguard v1.2.0
[INFO] [stderr]    Compiling cc v1.1.7
[INFO] [stderr]     Checking regex-syntax v0.8.4
[INFO] [stderr]    Compiling signal-hook v0.3.17
[INFO] [stderr]    Compiling rustc_version v0.4.0
[INFO] [stderr]    Compiling rustix v0.38.34
[INFO] [stderr]     Checking futures-sink v0.3.30
[INFO] [stderr]     Checking itoa v1.0.11
[INFO] [stderr]    Compiling slab v0.4.9
[INFO] [stderr]     Checking either v1.13.0
[INFO] [stderr]     Checking lazy_static v1.5.0
[INFO] [stderr]     Checking ryu v1.0.18
[INFO] [stderr]    Compiling syn v2.0.72
[INFO] [stderr]     Checking unicode-width v0.1.13
[INFO] [stderr]     Checking linux-raw-sys v0.4.14
[INFO] [stderr]    Compiling indexmap v2.3.0
[INFO] [stderr]     Checking aho-corasick v1.1.3
[INFO] [stderr]    Compiling wayland-sys v0.31.4
[INFO] [stderr]     Checking futures-channel v0.3.30
[INFO] [stderr]     Checking castaway v0.2.3
[INFO] [stderr]     Checking libloading v0.8.5
[INFO] [stderr]     Checking utf8parse v0.2.2
[INFO] [stderr]     Checking itertools v0.13.0
[INFO] [stderr]    Compiling serde v1.0.204
[INFO] [stderr]     Checking unicode-segmentation v1.11.0
[INFO] [stderr]     Checking futures-task v0.3.30
[INFO] [stderr]     Checking pin-utils v0.1.0
[INFO] [stderr]     Checking futures-io v0.3.30
[INFO] [stderr]     Checking static_assertions v1.1.0
[INFO] [stderr]     Checking compact_str v0.7.1
[INFO] [stderr]     Checking dlib v0.5.2
[INFO] [stderr]     Checking tracing-core v0.1.32
[INFO] [stderr]    Compiling strsim v0.11.1
[INFO] [stderr]     Checking regex-syntax v0.6.29
[INFO] [stderr]     Checking cassowary v0.3.0
[INFO] [stderr]    Compiling toml_edit v0.21.1
[INFO] [stderr]     Checking equivalent v1.0.1
[INFO] [stderr]     Checking hashbrown v0.14.5
[INFO] [stderr]    Compiling quick-xml v0.34.0
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling wayland-backend v0.3.6
[INFO] [stderr]     Checking downcast-rs v1.2.1
[INFO] [stderr]    Compiling wayland-client v0.31.5
[INFO] [stderr]     Checking overload v0.1.1
[INFO] [stderr]     Checking anstyle v1.0.8
[INFO] [stderr]    Compiling relative-path v1.9.3
[INFO] [stderr]     Checking scoped-tls v1.0.1
[INFO] [stderr]     Checking nu-ansi-term v0.46.0
[INFO] [stderr]     Checking tracing-log v0.2.0
[INFO] [stderr]    Compiling rstest_macros v0.21.0
[INFO] [stderr]     Checking sharded-slab v0.1.7
[INFO] [stderr]     Checking thread_local v1.1.8
[INFO] [stderr]    Compiling cfg_aliases v0.1.1
[INFO] [stderr]    Compiling thiserror v1.0.63
[INFO] [stderr]    Compiling nix v0.28.0
[INFO] [stderr]     Checking regex-automata v0.4.7
[INFO] [stderr]    Compiling backtrace v0.3.71
[INFO] [stderr]     Checking anstyle-parse v0.2.5
[INFO] [stderr]     Checking lru v0.12.4
[INFO] [stderr]     Checking minimal-lexical v0.2.1
[INFO] [stderr]     Checking gimli v0.28.1
[INFO] [stderr]     Checking adler v1.0.2
[INFO] [stderr]     Checking anstyle-query v1.1.1
[INFO] [stderr]     Checking fixedbitset v0.4.2
[INFO] [stderr]     Checking signal-hook-registry v1.4.2
[INFO] [stderr]     Checking mio v0.8.11
[INFO] [stderr]    Compiling wayland-scanner v0.31.4
[INFO] [stderr]     Checking unicode-truncate v1.1.0
[INFO] [stderr]     Checking parking_lot v0.12.3
[INFO] [stderr]     Checking futures-timer v3.0.3
[INFO] [stderr]     Checking colorchoice v1.0.2
[INFO] [stderr]     Checking is_terminal_polyfill v1.70.1
[INFO] [stderr]     Checking nom v7.1.3
[INFO] [stderr]     Checking miniz_oxide v0.7.4
[INFO] [stderr]     Checking anstream v0.6.15
[INFO] [stderr]    Compiling vte_generate_state_changes v0.1.2
[INFO] [stderr]     Checking object v0.32.2
[INFO] [stderr]     Checking clap_lex v0.7.2
[INFO] [stderr]     Checking signal-hook-mio v0.2.4
[INFO] [stderr]     Checking fnv v1.0.7
[INFO] [stderr]     Checking rustc-demangle v0.1.24
[INFO] [stderr]     Checking crossterm v0.27.0
[INFO] [stderr]    Compiling cfg_aliases v0.2.1
[INFO] [stderr]     Checking petgraph v0.6.5
[INFO] [stderr]    Compiling eyre v0.6.12
[INFO] [stderr]     Checking home v0.5.9
[INFO] [stderr]     Checking arrayvec v0.7.4
[INFO] [stderr]     Checking fastrand v2.1.0
[INFO] [stderr]     Checking vte v0.11.1
[INFO] [stderr]     Checking clap_builder v4.5.13
[INFO] [stderr]    Compiling proc-macro-crate v3.1.0
[INFO] [stderr]    Compiling nix v0.29.0
[INFO] [stderr]     Checking regex-automata v0.1.10
[INFO] [stderr]     Checking mio v1.0.1
[INFO] [stderr]     Checking is-terminal v0.4.12
[INFO] [stderr]     Checking os_pipe v1.2.1
[INFO] [stderr]     Checking socket2 v0.5.7
[INFO] [stderr]     Checking matchers v0.1.0
[INFO] [stderr]    Compiling serde_json v1.0.122
[INFO] [stderr]     Checking x11rb-protocol v0.13.1
[INFO] [stderr]     Checking winnow v0.6.18
[INFO] [stderr]     Checking owo-colors v3.5.0
[INFO] [stderr]    Compiling litrs v0.4.1
[INFO] [stderr] error: could not compile `syn` (lib)
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/rustup-home/toolchains/4d98531622e1718ae0bc3c7a1ab9cd8938428452/bin/rustc --crate-name syn --edition=2021 /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/syn-2.0.72/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type lib --emit=dep-info,metadata,link -C embed-bitcode=no --cfg 'feature="clone-impls"' --cfg 'feature="default"' --cfg 'feature="derive"' --cfg 'feature="extra-traits"' --cfg 'feature="full"' --cfg 'feature="parsing"' --cfg 'feature="printing"' --cfg 'feature="proc-macro"' --cfg 'feature="visit"' --cfg 'feature="visit-mut"' --check-cfg 'cfg(docsrs)' --check-cfg 'cfg(feature, values("clone-impls", "default", "derive", "extra-traits", "fold", "full", "parsing", "printing", "proc-macro", "test", "visit", "visit-mut"))' -C metadata=a457cdedbeda3af7 -C extra-filename=-a457cdedbeda3af7 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-999306cb2722a44d.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-588522ccb60d1420.rmeta --extern unicode_ident=/opt/rustwide/target/debug/deps/libunicode_ident-7b828347d8713ecd.rmeta --cap-lints allow --cap-lints=forbid -Dtail_expr_drop_order` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "2b542cb9c34595ddc5004af9ae6169239acf7fec860a850c4ff34cde533ecd96", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2b542cb9c34595ddc5004af9ae6169239acf7fec860a850c4ff34cde533ecd96", kill_on_drop: false }`
[INFO] [stdout] 2b542cb9c34595ddc5004af9ae6169239acf7fec860a850c4ff34cde533ecd96