[INFO] fetching crate niwa 0.1.0...
[INFO] checking niwa-0.1.0 against try#ac4c3613be2acd5395b65d85e5657b81e3c982f0 for pr-154585
[INFO] extracting crate niwa 0.1.0 into /workspace/builds/worker-5-tc2/source
[INFO] started tweaking crates.io crate niwa 0.1.0
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate niwa 0.1.0
[INFO] tweaked toml for crates.io crate niwa 0.1.0 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate niwa 0.1.0 on toolchain ac4c3613be2acd5395b65d85e5657b81e3c982f0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ac4c3613be2acd5395b65d85e5657b81e3c982f0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate niwa 0.1.0 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" "+ac4c3613be2acd5395b65d85e5657b81e3c982f0" "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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+ac4c3613be2acd5395b65d85e5657b81e3c982f0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8c123cc3c9e2f4e2856f183a1a7722168bbc8d7ffb2d259f13d8faf35e8737c5
[INFO] running `Command { std: "docker" "start" "-a" "8c123cc3c9e2f4e2856f183a1a7722168bbc8d7ffb2d259f13d8faf35e8737c5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8c123cc3c9e2f4e2856f183a1a7722168bbc8d7ffb2d259f13d8faf35e8737c5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8c123cc3c9e2f4e2856f183a1a7722168bbc8d7ffb2d259f13d8faf35e8737c5", kill_on_drop: false }`
[INFO] [stdout] 8c123cc3c9e2f4e2856f183a1a7722168bbc8d7ffb2d259f13d8faf35e8737c5
[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" "-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+ac4c3613be2acd5395b65d85e5657b81e3c982f0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4e7231a060250102d1773201d3fd847d3ddf1777a78cb4b753f37faa24d79d2c
[INFO] running `Command { std: "docker" "start" "-a" "4e7231a060250102d1773201d3fd847d3ddf1777a78cb4b753f37faa24d79d2c", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v2.0.111
[INFO] [stderr]    Compiling libc v0.2.178
[INFO] [stderr]    Compiling serde_json v1.0.145
[INFO] [stderr]    Compiling memchr v2.7.6
[INFO] [stderr]    Compiling bitflags v2.10.0
[INFO] [stderr]     Checking futures-core v0.3.31
[INFO] [stderr]    Compiling pin-project-lite v0.2.16
[INFO] [stderr]     Checking itoa v1.0.15
[INFO] [stderr]     Checking ryu v1.0.20
[INFO] [stderr]    Compiling native-tls v0.2.14
[INFO] [stderr]     Checking futures-sink v0.3.31
[INFO] [stderr]    Compiling indexmap v2.12.1
[INFO] [stderr]     Checking tracing-core v0.1.35
[INFO] [stderr]    Compiling once_cell v1.21.3
[INFO] [stderr]     Checking bytes v1.11.0
[INFO] [stderr]    Compiling foreign-types-shared v0.1.1
[INFO] [stderr]     Checking futures-channel v0.3.31
[INFO] [stderr]    Compiling pin-utils v0.1.0
[INFO] [stderr]     Checking futures-io v0.3.31
[INFO] [stderr]    Compiling foreign-types v0.3.2
[INFO] [stderr]    Compiling slab v0.4.11
[INFO] [stderr]     Checking futures-task v0.3.31
[INFO] [stderr]     Checking aho-corasick v1.1.4
[INFO] [stderr]    Compiling openssl-probe v0.1.6
[INFO] [stderr]    Compiling zerocopy v0.8.31
[INFO] [stderr]    Compiling event-listener v5.4.1
[INFO] [stderr]    Compiling winnow v0.7.14
[INFO] [stderr]    Compiling getrandom v0.3.4
[INFO] [stderr]    Compiling flume v0.11.1
[INFO] [stderr]    Compiling schemars v0.8.22
[INFO] [stderr]    Compiling regex-syntax v0.8.8
[INFO] [stderr]    Compiling futures-util v0.3.31
[INFO] [stderr]    Compiling unicase v2.8.1
[INFO] [stderr]    Compiling rustix v1.1.2
[INFO] [stderr]    Compiling toml_datetime v0.7.3
[INFO] [stderr]     Checking regex-automata v0.4.13
[INFO] [stderr]    Compiling mime_guess v2.0.5
[INFO] [stderr]     Checking tracing-log v0.2.0
[INFO] [stderr]     Checking dyn-clone v1.0.20
[INFO] [stderr]    Compiling iana-time-zone v0.1.64
[INFO] [stderr]    Compiling jobserver v0.1.34
[INFO] [stderr]    Compiling parking_lot_core v0.9.12
[INFO] [stderr]    Compiling socket2 v0.6.1
[INFO] [stderr]    Compiling mio v1.1.1
[INFO] [stderr]     Checking linux-raw-sys v0.11.0
[INFO] [stderr]    Compiling parking_lot v0.12.5
[INFO] [stderr]    Compiling cc v1.2.49
[INFO] [stderr]    Compiling futures-intrusive v0.5.0
[INFO] [stderr]    Compiling chrono v0.4.42
[INFO] [stderr]    Compiling tokio v1.48.0
[INFO] [stderr]    Compiling portable-atomic v1.11.1
[INFO] [stderr]     Checking clap_builder v4.5.53
[INFO] [stderr]     Checking number_prefix v0.4.0
[INFO] [stderr]     Checking signal-hook-registry v1.4.7
[INFO] [stderr]     Checking getrandom v0.2.16
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking console v0.15.11
[INFO] [stderr]     Checking uuid v1.19.0
[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/ac4c3613be2acd5395b65d85e5657b81e3c982f0/bin/rustc --crate-name syn --edition=2021 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/syn-2.0.111/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="fold"' --cfg 'feature="full"' --cfg 'feature="parsing"' --cfg 'feature="printing"' --cfg 'feature="proc-macro"' --cfg 'feature="visit"' --cfg 'feature="visit-mut"' --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values("clone-impls", "default", "derive", "extra-traits", "fold", "full", "parsing", "printing", "proc-macro", "test", "visit", "visit-mut"))' -C metadata=a4046ea6e9f31653 -C extra-filename=-e169ac79dad5a9cf --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-43e32a25692bf44a.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-01cdf4ac6a2aaf5b.rmeta --extern unicode_ident=/opt/rustwide/target/debug/deps/libunicode_ident-9533002ac35f5809.rmeta --cap-lints allow --cap-lints=forbid` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "4e7231a060250102d1773201d3fd847d3ddf1777a78cb4b753f37faa24d79d2c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4e7231a060250102d1773201d3fd847d3ddf1777a78cb4b753f37faa24d79d2c", kill_on_drop: false }`
[INFO] [stdout] 4e7231a060250102d1773201d3fd847d3ddf1777a78cb4b753f37faa24d79d2c