[INFO] fetching crate below-view 0.5.0... [INFO] building below-view-0.5.0 against master#222c5724ecc922fe67815f428c19f82c129d9386 for pr-97334 [INFO] extracting crate below-view 0.5.0 into /workspace/builds/worker-28/source [INFO] validating manifest of crates.io crate below-view 0.5.0 on toolchain 222c5724ecc922fe67815f428c19f82c129d9386 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+222c5724ecc922fe67815f428c19f82c129d9386" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate below-view 0.5.0 [INFO] finished tweaking crates.io crate below-view 0.5.0 [INFO] tweaked toml for crates.io crate below-view 0.5.0 written to /workspace/builds/worker-28/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+222c5724ecc922fe67815f428c19f82c129d9386" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+222c5724ecc922fe67815f428c19f82c129d9386" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded signal-hook-mio v0.2.3 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/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:ac0d0aa6ec8ed129e241004a6179c99fa0d2616f50ba759c5b60bd26d0fafa02" "/opt/rustwide/cargo-home/bin/cargo" "+222c5724ecc922fe67815f428c19f82c129d9386" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 9d913c8cfc8a52e8fd85ff77daeaf8334ce38e4c0435fc678da2e3ae2208402d [INFO] running `Command { std: "docker" "start" "-a" "9d913c8cfc8a52e8fd85ff77daeaf8334ce38e4c0435fc678da2e3ae2208402d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "9d913c8cfc8a52e8fd85ff77daeaf8334ce38e4c0435fc678da2e3ae2208402d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9d913c8cfc8a52e8fd85ff77daeaf8334ce38e4c0435fc678da2e3ae2208402d", kill_on_drop: false }` [INFO] [stdout] 9d913c8cfc8a52e8fd85ff77daeaf8334ce38e4c0435fc678da2e3ae2208402d [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/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" "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:ac0d0aa6ec8ed129e241004a6179c99fa0d2616f50ba759c5b60bd26d0fafa02" "/opt/rustwide/cargo-home/bin/cargo" "+222c5724ecc922fe67815f428c19f82c129d9386" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 655f4912a56adb8330514abba890a4fbbe6f696acd348986070642acb8c00efa [INFO] running `Command { std: "docker" "start" "-a" "655f4912a56adb8330514abba890a4fbbe6f696acd348986070642acb8c00efa", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.126 [INFO] [stderr] Compiling unicode-ident v1.0.0 [INFO] [stderr] Compiling autocfg v1.1.0 [INFO] [stderr] Compiling proc-macro2 v1.0.39 [INFO] [stderr] Compiling syn v1.0.96 [INFO] [stderr] Compiling cfg-if v1.0.0 [INFO] [stderr] Compiling serde_derive v1.0.137 [INFO] [stderr] Compiling serde v1.0.137 [INFO] [stderr] Compiling log v0.4.17 [INFO] [stderr] Compiling lazy_static v1.4.0 [INFO] [stderr] Compiling fnv v1.0.7 [INFO] [stderr] Compiling strsim v0.9.3 [INFO] [stderr] Compiling ident_case v1.0.1 [INFO] [stderr] Compiling bitflags v1.3.2 [INFO] [stderr] Compiling crossbeam-utils v0.8.8 [INFO] [stderr] Compiling parking_lot_core v0.8.5 [INFO] [stderr] Compiling once_cell v1.12.0 [INFO] [stderr] Compiling version_check v0.9.4 [INFO] [stderr] Compiling smallvec v1.8.0 [INFO] [stderr] Compiling scopeguard v1.1.0 [INFO] [stderr] Compiling erased-serde v0.3.20 [INFO] [stderr] Compiling memchr v2.5.0 [INFO] [stderr] Compiling signal-hook v0.3.14 [INFO] [stderr] Compiling itoa v1.0.2 [INFO] [stderr] Compiling slog v2.7.0 [INFO] [stderr] Compiling stable_deref_trait v1.2.0 [INFO] [stderr] Compiling array-macro v1.0.5 [INFO] [stderr] Compiling unicode-width v0.1.9 [INFO] [stderr] Compiling unicode-segmentation v1.9.0 [INFO] [stderr] Compiling anyhow v1.0.57 [INFO] [stderr] Compiling xi-unicode v0.3.0 [INFO] [stderr] Compiling regex-syntax v0.6.26 [INFO] [stderr] Compiling serde_json v1.0.81 [INFO] [stderr] Compiling num_threads v0.1.6 [INFO] [stderr] Compiling numtoa v0.1.0 [INFO] [stderr] Compiling time-macros v0.2.4 [INFO] [stderr] Compiling zstd-safe v4.0.0+zstd.1.4.9 [INFO] [stderr] Compiling same-file v1.0.6 [INFO] [stderr] Compiling ryu v1.0.10 [INFO] [stderr] Compiling match_cfg v0.1.0 [INFO] [stderr] Compiling humantime v2.1.0 [INFO] [stderr] Compiling futures-core v0.3.21 [INFO] [stderr] Compiling half v1.8.2 [INFO] [stderr] Compiling static_assertions v1.1.0 [INFO] [stderr] Compiling maplit v1.0.2 [INFO] [stderr] Compiling either v1.6.1 [INFO] [stderr] Compiling instant v0.1.12 [INFO] [stderr] Compiling thread_local v1.1.4 [INFO] [stderr] Compiling owning_ref v0.4.1 [INFO] [stderr] Compiling ahash v0.6.3 [INFO] [stderr] Compiling itertools v0.10.3 [INFO] [stderr] Compiling walkdir v2.3.2 [INFO] [stderr] Compiling num-traits v0.2.15 [INFO] [stderr] Compiling num-integer v0.1.45 [INFO] [stderr] Compiling lock_api v0.4.7 [INFO] [stderr] Compiling num-rational v0.3.2 [INFO] [stderr] Compiling num-iter v0.1.43 [INFO] [stderr] Compiling memoffset v0.6.5 [INFO] [stderr] Compiling aho-corasick v0.7.18 [INFO] [stderr] Compiling quote v1.0.18 [INFO] [stderr] Compiling crossbeam-channel v0.5.4 [INFO] [stderr] Compiling jobserver v0.1.24 [INFO] [stderr] Compiling cc v1.0.73 [INFO] [stderr] Compiling signal-hook-registry v1.4.0 [INFO] [stderr] Compiling mio v0.7.14 [INFO] [stderr] Compiling time v0.1.43 [INFO] [stderr] Compiling getrandom v0.2.6 [INFO] [stderr] Compiling dirs-sys-next v0.1.2 [INFO] [stderr] Compiling nix v0.22.3 [INFO] [stderr] Compiling openat v0.1.21 [INFO] [stderr] Compiling num_cpus v1.13.1 [INFO] [stderr] Compiling termion v1.5.6 [INFO] [stderr] Compiling atty v0.2.14 [INFO] [stderr] Compiling time v0.3.9 [INFO] [stderr] Compiling hostname v0.3.1 [INFO] [stderr] Compiling memmap v0.7.0 [INFO] [stderr] Compiling threadpool v1.8.1 [INFO] [stderr] Compiling dirs-next v2.0.0 [INFO] [stderr] Compiling parking_lot v0.11.2 [INFO] [stderr] Compiling term v0.7.0 [INFO] [stderr] Compiling signal-hook v0.1.17 [INFO] [stderr] Compiling num-complex v0.3.1 [INFO] [stderr] Compiling signal-hook-mio v0.2.3 [INFO] [stderr] Compiling regex v1.5.6 [INFO] [stderr] Compiling zstd-sys v1.5.0+zstd.1.4.9 [INFO] [stderr] Compiling crossterm v0.20.0 [INFO] [stderr] Compiling crossterm v0.19.0 [INFO] [stderr] Compiling num v0.3.1 [INFO] [stderr] Compiling darling_core v0.10.2 [INFO] [stderr] error: could not compile `syn` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `rustc --crate-name syn --edition=2018 /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/syn-1.0.96/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 -C debuginfo=2 --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="quote"' --cfg 'feature="visit"' --cfg 'feature="visit-mut"' -C metadata=8c80fc70b5384f98 -C extra-filename=-8c80fc70b5384f98 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-8cb96000c96f9250.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-6531c3c818581e12.rmeta --extern unicode_ident=/opt/rustwide/target/debug/deps/libunicode_ident-b3c3eb1ebc033cd2.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" "655f4912a56adb8330514abba890a4fbbe6f696acd348986070642acb8c00efa", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "655f4912a56adb8330514abba890a4fbbe6f696acd348986070642acb8c00efa", kill_on_drop: false }` [INFO] [stdout] 655f4912a56adb8330514abba890a4fbbe6f696acd348986070642acb8c00efa