[INFO] fetching crate inkcairn 0.1.8...
[INFO] checking inkcairn-0.1.8 against e3607d549209cc9fdfe7e907123b4185210e2c2b for pr-158915
[INFO] extracting crate inkcairn 0.1.8 into /workspace/builds/worker-2-tc2/source
[INFO] removed /workspace/builds/worker-2-tc2/source/.cargo/config.toml
[INFO] removed /workspace/builds/worker-2-tc2/source/rust-toolchain.toml
[INFO] started tweaking crates.io crate inkcairn 0.1.8
[INFO] finished tweaking crates.io crate inkcairn 0.1.8
[INFO] tweaked toml for crates.io crate inkcairn 0.1.8 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate inkcairn 0.1.8 on toolchain e3607d549209cc9fdfe7e907123b4185210e2c2b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+e3607d549209cc9fdfe7e907123b4185210e2c2b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate inkcairn 0.1.8 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" "+e3607d549209cc9fdfe7e907123b4185210e2c2b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: explicit `package.readme` can be inferred
[INFO] [stderr]    --> Cargo.toml:128:1
[INFO] [stderr]     |
[INFO] [stderr] 128 | readme = "README.md"
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `cargo::manual_readme` is set to `warn` by default
[INFO] [stderr] help: consider removing `package.readme`
[INFO] [stderr] warning: `inkcairn` (manifest) generated 1 warning
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:8683fc1fc2eb5c9ac98e0d076ab094b2ffac7f99da555d2b6a2e27f346de2ec7" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] af19ba74fd6de78af8fa65b685c3071be814e5de8c6a9b570e52f82060877705
[INFO] running `Command { std: "docker" "start" "af19ba74fd6de78af8fa65b685c3071be814e5de8c6a9b570e52f82060877705", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "af19ba74fd6de78af8fa65b685c3071be814e5de8c6a9b570e52f82060877705", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "af19ba74fd6de78af8fa65b685c3071be814e5de8c6a9b570e52f82060877705" "/opt/rustwide/cargo-home/bin/cargo" "+e3607d549209cc9fdfe7e907123b4185210e2c2b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "af19ba74fd6de78af8fa65b685c3071be814e5de8c6a9b570e52f82060877705", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "af19ba74fd6de78af8fa65b685c3071be814e5de8c6a9b570e52f82060877705" "/opt/rustwide/cargo-home/bin/cargo" "+e3607d549209cc9fdfe7e907123b4185210e2c2b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] warning: explicit `package.readme` can be inferred
[INFO] [stderr]    --> Cargo.toml:128:1
[INFO] [stderr]     |
[INFO] [stderr] 128 | readme = "README.md"
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `cargo::manual_readme` is set to `warn` by default
[INFO] [stderr] help: consider removing `package.readme`
[INFO] [stderr] warning: `inkcairn` (manifest) generated 1 warning
[INFO] [stderr]    Compiling siphasher v1.0.3
[INFO] [stderr]     Checking log v0.4.34
[INFO] [stderr]     Checking bytes v1.12.1
[INFO] [stderr]    Compiling serde_core v1.0.229
[INFO] [stderr]    Compiling shlex v2.0.1
[INFO] [stderr]    Compiling find-msvc-tools v0.1.11
[INFO] [stderr]    Compiling fastrand v2.5.0
[INFO] [stderr]     Checking bitflags v2.13.1
[INFO] [stderr]     Checking smallvec v1.15.2
[INFO] [stderr]    Compiling serde v1.0.229
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling syn v3.0.4
[INFO] [stderr]    Compiling syn v2.0.119
[INFO] [stderr]     Checking errno v0.3.14
[INFO] [stderr]     Checking socket2 v0.6.5
[INFO] [stderr]     Checking signal-hook-registry v1.4.8
[INFO] [stderr]    Compiling rand v0.8.8
[INFO] [stderr]     Checking mio v1.2.2
[INFO] [stderr]    Compiling phf_shared v0.13.1
[INFO] [stderr]    Compiling cc v1.4.4
[INFO] [stderr]    Compiling phf_shared v0.11.3
[INFO] [stderr]    Compiling crossbeam-utils v0.8.22
[INFO] [stderr]    Compiling getrandom v0.3.4
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.20
[INFO] [stderr]     Checking zeroize v1.9.0
[INFO] [stderr]     Checking http v1.5.0
[INFO] [stderr]     Checking once_cell v1.21.4
[INFO] [stderr]     Checking dtoa v1.0.11
[INFO] [stderr]     Checking rustls-pki-types v1.15.1
[INFO] [stderr]    Compiling winnow v1.0.4
[INFO] [stderr]     Checking mime v0.3.17
[INFO] [stderr]     Checking dtoa-short v0.3.5
[INFO] [stderr]     Checking futures-task v0.3.34
[INFO] [stderr]    Compiling crossbeam-deque v0.8.7
[INFO] [stderr]    Compiling zerocopy v0.8.56
[INFO] [stderr]    Compiling rustc-hash v2.1.3
[INFO] [stderr]     Checking slab v0.4.12
[INFO] [stderr]     Checking httpdate v1.0.3
[INFO] [stderr]    Compiling phf_generator v0.13.1
[INFO] [stderr]    Compiling inotify-sys v0.1.8
[INFO] [stderr]     Checking percent-encoding v2.3.2
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling phf_codegen v0.13.1
[INFO] [stderr]    Compiling mime_guess v2.0.5
[INFO] [stderr]     Checking futures-util v0.3.34
[INFO] [stderr]     Checking tinyvec v1.12.0
[INFO] [stderr]    Compiling phf_generator v0.11.3
[INFO] [stderr]     Checking futures-channel v0.3.34
[INFO] [stderr]    Compiling phf_codegen v0.11.3
[INFO] [stderr]     Checking either v1.18.0
[INFO] [stderr]    Compiling rustls v0.23.43
[INFO] [stderr]    Compiling unicode-segmentation v1.13.3
[INFO] [stderr]    Compiling jetscii v0.5.3
[INFO] [stderr]    Compiling parcel_selectors v0.28.3
[INFO] [stderr]    Compiling unicode-general-category v1.1.0
[INFO] [stderr]     Checking atomic-waker v1.1.2
[INFO] [stderr]    Compiling entities v1.0.1
[INFO] [stderr]     Checking sync_wrapper v1.0.2
[INFO] [stderr]     Checking phf v0.11.3
[INFO] [stderr]     Checking http-body v1.1.0
[INFO] [stderr]    Compiling comrak v0.52.0
[INFO] [stderr]     Checking unicode-normalization v0.1.25
[INFO] [stderr]     Checking unicase v2.9.0
[INFO] [stderr]     Checking http-body-util v0.1.5
[INFO] [stderr]    Compiling convert_case v0.6.0
[INFO] [stderr]    Compiling time-core v0.1.9
[INFO] [stderr]     Checking subtle v2.6.1
[INFO] [stderr]    Compiling num-conv v0.2.2
[INFO] [stderr]     Checking precomputed-hash v0.1.1
[INFO] [stderr]     Checking base64 v0.23.1
[INFO] [stderr]     Checking futures-sink v0.3.34
[INFO] [stderr]     Checking clap_builder v4.6.6
[INFO] [stderr]    Compiling time-macros v0.2.32
[INFO] [stderr]     Checking miniz_oxide v0.9.1
[INFO] [stderr]     Checking axum-core v0.5.6
[INFO] [stderr]     Checking rustix v1.1.4
[INFO] [stderr]     Checking caseless v0.2.2
[INFO] [stderr]     Checking ureq-proto v0.6.1
[INFO] [stderr]     Checking inotify v0.11.5
[INFO] [stderr]     Checking rayon-core v1.13.0
[INFO] [stderr]    Compiling ring v0.17.14
[INFO] [stderr]    Compiling blake3 v1.8.7
[INFO] [stderr]     Checking itertools v0.10.5
[INFO] [stderr]     Checking webpki-roots v1.0.9
[INFO] [stderr]     Checking indexmap v2.14.0
[INFO] [stderr]     Checking serde_json v1.0.151
[INFO] [stderr]     Checking deranged v0.5.8
[INFO] [stderr]     Checking notify-types v2.1.0
[INFO] [stderr]     Checking finl_unicode v1.4.0
[INFO] [stderr]     Checking const-str v1.1.0
[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/e3607d549209cc9fdfe7e907123b4185210e2c2b/bin/rustc --crate-name syn --edition=2021 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/syn-3.0.4/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat,unused-externs-silent --crate-type lib --emit=dep-info,metadata,link -Z embed-metadata=no -C embed-bitcode=no --cfg 'feature="clone-impls"' --cfg 'feature="default"' --cfg 'feature="derive"' --cfg 'feature="full"' --cfg 'feature="parsing"' --cfg 'feature="printing"' --cfg 'feature="proc-macro"' --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=f3a9958213b7c18f -C extra-filename=-22fdd72413ddab77 --out-dir /opt/rustwide/target/debug/build/syn/22fdd72413ddab77/out -L dependency=/opt/rustwide/target/debug/build/proc-macro2/ee684499ef27f3b8/out -L dependency=/opt/rustwide/target/debug/build/unicode-ident/8c98a1a0e58216a9/out --extern proc_macro2=/opt/rustwide/target/debug/build/proc-macro2/ee684499ef27f3b8/out/libproc_macro2-ee684499ef27f3b8.rmeta --extern quote=/opt/rustwide/target/debug/build/quote/97307b84563a2c10/out/libquote-97307b84563a2c10.rmeta --extern unicode_ident=/opt/rustwide/target/debug/build/unicode-ident/8c98a1a0e58216a9/out/libunicode_ident-8c98a1a0e58216a9.rmeta --cap-lints allow --cap-lints=forbid --force-warn=unused_crate_dependencies` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "af19ba74fd6de78af8fa65b685c3071be814e5de8c6a9b570e52f82060877705", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "af19ba74fd6de78af8fa65b685c3071be814e5de8c6a9b570e52f82060877705", kill_on_drop: false }`
[INFO] [stdout] af19ba74fd6de78af8fa65b685c3071be814e5de8c6a9b570e52f82060877705
