[INFO] fetching crate neverest 0.1.0...
[INFO] testing neverest-0.1.0 against master#c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38 for pr-146098-7
[INFO] extracting crate neverest 0.1.0 into /workspace/builds/worker-2-tc1/source
[INFO] removed /workspace/builds/worker-2-tc1/source/rust-toolchain.toml
[INFO] started tweaking crates.io crate neverest 0.1.0
[INFO] finished tweaking crates.io crate neverest 0.1.0
[INFO] tweaked toml for crates.io crate neverest 0.1.0 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate neverest 0.1.0 on toolchain c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate neverest 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" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded zerocopy-derive v0.7.32
[INFO] [stderr]   Downloaded serde-toml-merge v0.3.6
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[INFO] [stderr]   Downloaded ouroboros v0.18.3
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[INFO] [stderr]   Downloaded from_variants_impl v0.6.0
[INFO] [stderr]   Downloaded hickory-proto v0.24.0
[INFO] [stderr]   Downloaded anyhow v1.0.81
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[INFO] [stderr]   Downloaded chumsky v1.0.0-alpha.7
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[INFO] [stderr]   Downloaded async-executor v1.9.1
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[INFO] [stderr]   Downloaded portable-atomic v1.6.0
[INFO] [stderr]   Downloaded indicatif v0.17.8
[INFO] [stderr]   Downloaded maildirpp v0.0.2
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[INFO] [stderr]   Downloaded from_variants v0.6.0
[INFO] [stderr]   Downloaded ouroboros_macro v0.15.6
[INFO] [stderr]   Downloaded xml-rs v0.8.20
[INFO] [stderr]   Downloaded zeroize v1.7.0
[INFO] [stderr]   Downloaded linux-keyutils v0.2.4
[INFO] [stderr]   Downloaded block-modes v0.8.1
[INFO] [stderr]   Downloaded num-complex v0.4.5
[INFO] [stderr]   Downloaded num-iter v0.1.44
[INFO] [stderr]   Downloaded mail-builder v0.3.1
[INFO] [stderr]   Downloaded nanohtml2text v0.1.4
[INFO] [stderr]   Downloaded notify v6.1.1
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[INFO] [stderr]   Downloaded darling v0.10.2
[INFO] [stderr]   Downloaded notmuch v0.8.0
[INFO] [stderr]   Downloaded ouroboros v0.15.6
[INFO] [stderr]   Downloaded rustls-pki-types v1.4.1
[INFO] [stderr]   Downloaded tree_magic_mini v3.1.4
[INFO] [stderr]   Downloaded utf7-imap v0.3.2
[INFO] [stderr]   Downloaded email_address v0.2.4
[INFO] [stderr]   Downloaded oauth-lib v0.1.1
[INFO] [stderr]   Downloaded rustix v0.37.27
[INFO] [stderr]   Downloaded async-recursion v1.1.0
[INFO] [stderr]   Downloaded async-trait v0.1.79
[INFO] [stderr]   Downloaded event-listener-strategy v0.5.1
[INFO] [stderr]   Downloaded futures-lite v2.3.0
[INFO] [stderr]   Downloaded serde_repr v0.1.18
[INFO] [stderr]   Downloaded mml-lib v1.0.12
[INFO] [stderr]   Downloaded kqueue v1.0.8
[INFO] [stderr]   Downloaded mac-notification-sys v0.6.1
[INFO] [stderr]   Downloaded strsim v0.9.3
[INFO] [stderr]   Downloaded darling_macro v0.10.2
[INFO] [stderr]   Downloaded console v0.15.8
[INFO] [stderr]   Downloaded num v0.4.1
[INFO] [stderr]   Downloaded polling v3.6.0
[INFO] [stderr]   Downloaded linux-raw-sys v0.3.8
[INFO] [stderr]   Downloaded waker-fn v1.1.1
[INFO] [stderr]   Downloaded futures-lite v1.13.0
[INFO] [stderr]   Downloaded event-listener v4.0.3
[INFO] [stderr]   Downloaded coredump v0.1.2
[INFO] [stderr]   Downloaded dialoguer v0.10.4
[INFO] [stderr]   Downloaded data-encoding v2.5.0
[INFO] [stderr]   Downloaded enum-as-inner v0.6.0
[INFO] [stderr]   Downloaded socket2 v0.4.10
[INFO] [stderr]   Downloaded event-listener v3.1.0
[INFO] [stderr]   Downloaded async-task v4.7.0
[INFO] [stderr]   Downloaded xdg-home v1.1.0
[INFO] [stderr]   Downloaded enumflags2 v0.7.9
[INFO] [stderr]   Downloaded async-fs v1.6.0
[INFO] [stderr]   Downloaded polling v2.8.0
[INFO] [stderr]   Downloaded concurrent-queue v2.4.0
[INFO] [stderr]   Downloaded zbus_macros v3.15.2
[INFO] [stderr]   Downloaded secret-lib v0.4.4
[INFO] [stderr]   Downloaded dirs v4.0.0
[INFO] [stderr]   Downloaded async-io v1.13.0
[INFO] [stderr]   Downloaded async-process v1.8.1
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[INFO] [stderr]   Downloaded zvariant_derive v3.15.2
[INFO] [stderr]   Downloaded zbus v3.15.2
[INFO] [stderr]   Downloaded secret-service v3.0.1
[INFO] [stderr]   Downloaded async-signal v0.2.5
[INFO] [stderr]   Downloaded zbus_names v2.6.1
[INFO] [stderr]   Downloaded ouroboros_macro v0.18.3
[INFO] [stderr]   Downloaded parking v2.2.0
[INFO] [stderr]   Downloaded zvariant_utils v1.0.1
[INFO] [stderr]   Downloaded zvariant v3.15.2
[INFO] [stderr]   Downloaded keyring-lib v0.4.2
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[INFO] [stderr]   Downloaded syn v2.0.58
[INFO] [stderr]   Downloaded thiserror-impl v1.0.58
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 51782ca2a7366e7adb9b5147368dbdab56f904622d0eda4cd5288094f72d54ff
[INFO] running `Command { std: "docker" "start" "-a" "51782ca2a7366e7adb9b5147368dbdab56f904622d0eda4cd5288094f72d54ff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "51782ca2a7366e7adb9b5147368dbdab56f904622d0eda4cd5288094f72d54ff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "51782ca2a7366e7adb9b5147368dbdab56f904622d0eda4cd5288094f72d54ff", kill_on_drop: false }`
[INFO] [stdout] 51782ca2a7366e7adb9b5147368dbdab56f904622d0eda4cd5288094f72d54ff
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 678f7544368a3e086cc67ba715235f6a784ee6ff069ef037c85c632ea3f6f48c
[INFO] running `Command { std: "docker" "start" "-a" "678f7544368a3e086cc67ba715235f6a784ee6ff069ef037c85c632ea3f6f48c", kill_on_drop: false }`
[INFO] [stderr]    Compiling unicode-ident v1.0.12
[INFO] [stderr]    Compiling proc-macro2 v1.0.79
[INFO] [stderr]    Compiling libc v0.2.153
[INFO] [stderr]    Compiling autocfg v1.2.0
[INFO] [stderr]    Compiling once_cell v1.19.0
[INFO] [stderr]    Compiling memchr v2.7.2
[INFO] [stderr]    Compiling serde v1.0.197
[INFO] [stderr]    Compiling log v0.4.21
[INFO] [stderr]    Compiling futures-core v0.3.30
[INFO] [stderr]    Compiling crossbeam-utils v0.8.19
[INFO] [stderr]    Compiling futures-io v0.3.30
[INFO] [stderr]    Compiling bytes v1.6.0
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]    Compiling futures-sink v0.3.30
[INFO] [stderr]    Compiling cc v1.0.90
[INFO] [stderr]    Compiling futures-task v0.3.30
[INFO] [stderr]    Compiling futures-channel v0.3.30
[INFO] [stderr]    Compiling parking v2.2.0
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling regex-syntax v0.8.3
[INFO] [stderr]    Compiling subtle v2.5.0
[INFO] [stderr]    Compiling tracing-core v0.1.32
[INFO] [stderr]    Compiling ahash v0.8.11
[INFO] [stderr]    Compiling zerocopy v0.7.32
[INFO] [stderr]    Compiling allocator-api2 v0.2.16
[INFO] [stderr]    Compiling slab v0.4.9
[INFO] [stderr]    Compiling num-traits v0.2.18
[INFO] [stderr]    Compiling hashbrown v0.14.3
[INFO] [stderr]    Compiling ppv-lite86 v0.2.17
[INFO] [stderr]    Compiling bitflags v2.5.0
[INFO] [stderr]    Compiling toml_datetime v0.6.5
[INFO] [stderr]    Compiling fastrand v2.0.2
[INFO] [stderr]    Compiling thiserror v1.0.58
[INFO] [stderr]    Compiling cpufeatures v0.2.12
[INFO] [stderr]    Compiling async-trait v0.1.79
[INFO] [stderr]    Compiling io-lifetimes v1.0.11
[INFO] [stderr]    Compiling concurrent-queue v2.4.0
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]    Compiling event-listener v2.5.3
[INFO] [stderr]    Compiling crypto-common v0.1.6
[INFO] [stderr]    Compiling block-buffer v0.10.4
[INFO] [stderr]    Compiling event-listener v4.0.3
[INFO] [stderr]    Compiling event-listener v5.3.0
[INFO] [stderr]    Compiling syn v2.0.58
[INFO] [stderr]    Compiling digest v0.10.7
[INFO] [stderr]    Compiling indexmap v2.2.6
[INFO] [stderr]    Compiling event-listener-strategy v0.4.0
[INFO] [stderr]    Compiling event-listener-strategy v0.5.1
[INFO] [stderr]    Compiling polling v2.8.0
[INFO] [stderr]    Compiling memoffset v0.7.1
[INFO] [stderr]    Compiling futures-lite v2.3.0
[INFO] [stderr]    Compiling fastrand v1.9.0
[INFO] [stderr]    Compiling async-lock v3.3.0
[INFO] [stderr]    Compiling async-task v4.7.0
[INFO] [stderr]    Compiling waker-fn v1.1.1
[INFO] [stderr]    Compiling ring v0.17.8
[INFO] [stderr]    Compiling aho-corasick v1.1.3
[INFO] [stderr]    Compiling rustix v0.37.27
[INFO] [stderr]    Compiling piper v0.2.1
[INFO] [stderr]    Compiling futures-lite v1.13.0
[INFO] [stderr]    Compiling async-channel v2.2.0
[INFO] [stderr]    Compiling tinyvec v1.6.0
[INFO] [stderr]    Compiling async-lock v2.8.0
[INFO] [stderr]    Compiling num-integer v0.1.46
[INFO] [stderr]    Compiling async-io v1.13.0
[INFO] [stderr]    Compiling getrandom v0.2.13
[INFO] [stderr]    Compiling mio v0.8.11
[INFO] [stderr]    Compiling socket2 v0.5.6
[INFO] [stderr]    Compiling num_cpus v1.16.0
[INFO] [stderr]    Compiling signal-hook-registry v1.4.1
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling toml_edit v0.19.15
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling async-fs v1.6.0
[INFO] [stderr]    Compiling regex-automata v0.4.6
[INFO] [stderr]    Compiling num-bigint v0.4.4
[INFO] [stderr]    Compiling rustls v0.21.10
[INFO] [stderr]    Compiling linux-raw-sys v0.3.8
[INFO] [stderr]    Compiling socket2 v0.4.10
[INFO] [stderr]    Compiling unicode-normalization v0.1.23
[INFO] [stderr]    Compiling num-rational v0.4.1
[INFO] [stderr]    Compiling unicode-bidi v0.3.15
[INFO] [stderr]    Compiling rustix v0.38.32
[INFO] [stderr]    Compiling openssl-probe v0.1.5
[INFO] [stderr]    Compiling rustls-pemfile v1.0.4
[INFO] [stderr]    Compiling nix v0.26.4
[INFO] [stderr]    Compiling async-executor v1.9.1
[INFO] [stderr]    Compiling xdg-home v1.1.0
[INFO] [stderr]    Compiling http v0.2.12
[INFO] [stderr]    Compiling sha1 v0.10.6
[INFO] [stderr]    Compiling sha2 v0.10.8
[INFO] [stderr]    Compiling proc-macro-crate v1.3.1
[INFO] [stderr]    Compiling async-broadcast v0.5.1
[INFO] [stderr]    Compiling cipher v0.3.0
[INFO] [stderr]    Compiling ordered-stream v0.2.0
[INFO] [stderr]    Compiling rustls-pki-types v1.4.1
[INFO] [stderr]    Compiling linux-raw-sys v0.4.13
[INFO] [stderr]    Compiling httparse v1.8.0
[INFO] [stderr]    Compiling idna v0.5.0
[INFO] [stderr]    Compiling num-iter v0.1.44
[INFO] [stderr]    Compiling num-complex v0.4.5
[INFO] [stderr]    Compiling hmac v0.12.1
[INFO] [stderr]    Compiling encoding_rs v0.8.33
[INFO] [stderr]    Compiling heck v0.4.1
[INFO] [stderr]    Compiling block-padding v0.2.1
[INFO] [stderr]    Compiling aes v0.7.5
[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/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/bin/rustc --crate-name syn --edition=2021 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/syn-2.0.58/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-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=6d0eac0e51992748 -C extra-filename=-6eee7209af3cd2fe --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-7d2fccabebec0c86.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-f91c90266eaa4c49.rmeta --extern unicode_ident=/opt/rustwide/target/debug/deps/libunicode_ident-c127c4d798582dc8.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" "678f7544368a3e086cc67ba715235f6a784ee6ff069ef037c85c632ea3f6f48c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "678f7544368a3e086cc67ba715235f6a784ee6ff069ef037c85c632ea3f6f48c", kill_on_drop: false }`
[INFO] [stdout] 678f7544368a3e086cc67ba715235f6a784ee6ff069ef037c85c632ea3f6f48c