[INFO] fetching crate verneuil 0.4.2...
[INFO] checking verneuil-0.4.2 against try#e251c42c969d6f8dbaae00e1028489c3a29f8789 for pr-94081
[INFO] extracting crate verneuil 0.4.2 into /workspace/builds/worker-57/source
[INFO] validating manifest of crates.io crate verneuil 0.4.2 on toolchain e251c42c969d6f8dbaae00e1028489c3a29f8789
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+e251c42c969d6f8dbaae00e1028489c3a29f8789" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate verneuil 0.4.2
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate verneuil 0.4.2
[INFO] tweaked toml for crates.io crate verneuil 0.4.2 written to /workspace/builds/worker-57/source/Cargo.toml
[INFO] crate crates.io crate verneuil 0.4.2 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+e251c42c969d6f8dbaae00e1028489c3a29f8789" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded zstd-sys v1.6.3+zstd.1.5.2
[INFO] [stderr]   Downloaded attohttpc v0.18.0
[INFO] [stderr]   Downloaded dlv-list v0.2.3
[INFO] [stderr]   Downloaded serde-xml-rs v0.5.1
[INFO] [stderr]   Downloaded rusqlite v0.26.3
[INFO] [stderr]   Downloaded lru v0.7.2
[INFO] [stderr]   Downloaded zstd v0.10.0+zstd.1.5.2
[INFO] [stderr]   Downloaded zstd-safe v4.1.4+zstd.1.5.2
[INFO] [stderr]   Downloaded aws-creds v0.27.1
[INFO] [stderr]   Downloaded tracing-subscriber v0.3.8
[INFO] [stderr]   Downloaded aws-region v0.23.4
[INFO] [stderr]   Downloaded block_on_proc v0.2.0
[INFO] [stderr]   Downloaded maybe-async v0.2.6
[INFO] [stderr]   Downloaded uluru v3.0.0
[INFO] [stderr]   Downloaded blake2b_simd v1.0.0
[INFO] [stderr]   Downloaded ordered-multimap v0.3.1
[INFO] [stderr]   Downloaded hashlink v0.7.0
[INFO] [stderr]   Downloaded governor v0.4.2
[INFO] [stderr]   Downloaded umash-sys v0.2.0
[INFO] [stderr]   Downloaded nonzero_ext v0.3.0
[INFO] [stderr]   Downloaded extendhash v1.0.9
[INFO] [stderr]   Downloaded rust-s3 v0.28.1
[INFO] [stderr]   Downloaded umash v0.4.1
[INFO] [stderr]   Downloaded rust-ini v0.17.0
[INFO] [stderr]   Downloaded kismet-cache v0.2.2
[INFO] [stderr]   Downloaded libsqlite3-sys v0.23.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-57/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-57/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+e251c42c969d6f8dbaae00e1028489c3a29f8789" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e6a6be49bab973be82a4eaf7c53c405aaf0fbe2513ea362715f969c74f47fa63
[INFO] running `Command { std: "docker" "start" "-a" "e6a6be49bab973be82a4eaf7c53c405aaf0fbe2513ea362715f969c74f47fa63", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e6a6be49bab973be82a4eaf7c53c405aaf0fbe2513ea362715f969c74f47fa63", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e6a6be49bab973be82a4eaf7c53c405aaf0fbe2513ea362715f969c74f47fa63", kill_on_drop: false }`
[INFO] [stdout] e6a6be49bab973be82a4eaf7c53c405aaf0fbe2513ea362715f969c74f47fa63
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-57/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-57/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+e251c42c969d6f8dbaae00e1028489c3a29f8789" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 33da7f169f04472ccb2961bc80724780bb031d50ef4d9521c8e938ec41b4fd40
[INFO] running `Command { std: "docker" "start" "-a" "33da7f169f04472ccb2961bc80724780bb031d50ef4d9521c8e938ec41b4fd40", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.117
[INFO] [stderr]    Compiling proc-macro2 v1.0.36
[INFO] [stderr]    Compiling syn v1.0.86
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]     Checking once_cell v1.9.0
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]     Checking pin-project-lite v0.2.8
[INFO] [stderr]     Checking bytes v1.1.0
[INFO] [stderr]    Compiling futures-core v0.3.21
[INFO] [stderr]    Compiling futures-channel v0.3.21
[INFO] [stderr]    Compiling futures-task v0.3.21
[INFO] [stderr]     Checking spin v0.5.2
[INFO] [stderr]     Checking untrusted v0.7.1
[INFO] [stderr]    Compiling serde_derive v1.0.136
[INFO] [stderr]     Checking itoa v1.0.1
[INFO] [stderr]     Checking futures-sink v0.3.21
[INFO] [stderr]    Compiling futures-util v0.3.21
[INFO] [stderr]    Compiling serde v1.0.136
[INFO] [stderr]     Checking futures-io v0.3.21
[INFO] [stderr]     Checking fnv v1.0.7
[INFO] [stderr]    Compiling typenum v1.15.0
[INFO] [stderr]     Checking slab v0.4.5
[INFO] [stderr]     Checking ppv-lite86 v0.2.16
[INFO] [stderr]    Compiling anyhow v1.0.53
[INFO] [stderr]     Checking tinyvec_macros v0.1.0
[INFO] [stderr]     Checking matches v0.1.9
[INFO] [stderr]    Compiling crossbeam-utils v0.8.7
[INFO] [stderr]     Checking percent-encoding v2.1.0
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]     Checking unicode-bidi v0.3.7
[INFO] [stderr]    Compiling httparse v1.6.0
[INFO] [stderr]     Checking ryu v1.0.9
[INFO] [stderr]    Compiling serde_json v1.0.78
[INFO] [stderr]     Checking smallvec v1.8.0
[INFO] [stderr]     Checking ahash v0.4.7
[INFO] [stderr]     Checking try-lock v0.2.3
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.7
[INFO] [stderr]    Compiling encoding_rs v0.8.30
[INFO] [stderr]     Checking httpdate v1.0.2
[INFO] [stderr]    Compiling rayon-core v1.9.1
[INFO] [stderr]    Compiling parking_lot_core v0.9.1
[INFO] [stderr]     Checking tower-service v0.3.1
[INFO] [stderr]     Checking regex-syntax v0.6.25
[INFO] [stderr]    Compiling vcpkg v0.2.15
[INFO] [stderr]     Checking subtle v2.4.1
[INFO] [stderr]    Compiling async-trait v0.1.52
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]     Checking wildmatch v2.1.0
[INFO] [stderr]     Checking base64 v0.13.0
[INFO] [stderr]    Compiling pkg-config v0.3.24
[INFO] [stderr]     Checking xml-rs v0.8.4
[INFO] [stderr]    Compiling zstd-safe v4.1.4+zstd.1.5.2
[INFO] [stderr]     Checking opaque-debug v0.3.0
[INFO] [stderr]     Checking adler v1.0.2
[INFO] [stderr]     Checking cpufeatures v0.2.1
[INFO] [stderr]     Checking remove_dir_all v0.5.3
[INFO] [stderr]     Checking fastrand v1.7.0
[INFO] [stderr]     Checking gimli v0.26.1
[INFO] [stderr]     Checking ansi_term v0.12.1
[INFO] [stderr]     Checking unicode-width v0.1.9
[INFO] [stderr]     Checking ipnet v2.3.1
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]     Checking mime v0.3.16
[INFO] [stderr]    Compiling unicode-segmentation v1.9.0
[INFO] [stderr]     Checking vec_map v0.8.2
[INFO] [stderr]     Checking nonzero_ext v0.3.0
[INFO] [stderr]     Checking no-std-compat v0.4.1
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking hex v0.4.3
[INFO] [stderr]     Checking arrayvec v0.7.2
[INFO] [stderr]     Checking futures-timer v3.0.2
[INFO] [stderr]     Checking rustc-demangle v0.1.21
[INFO] [stderr]     Checking extendhash v1.0.9
[INFO] [stderr]     Checking md5 v0.7.0
[INFO] [stderr]     Checking fallible-iterator v0.2.0
[INFO] [stderr]     Checking fallible-streaming-iterator v0.1.9
[INFO] [stderr]     Checking lru v0.7.2
[INFO] [stderr]     Checking tracing-core v0.1.22
[INFO] [stderr]     Checking thread_local v1.1.4
[INFO] [stderr]     Checking sharded-slab v0.1.4
[INFO] [stderr]     Checking aho-corasick v0.7.18
[INFO] [stderr]     Checking object v0.27.1
[INFO] [stderr]     Checking tinyvec v1.5.1
[INFO] [stderr] error: could not compile `serde_json`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name build_script_build --edition=2018 /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/serde_json-1.0.78/build.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type bin --emit=dep-info,link -C embed-bitcode=no -C debuginfo=2 --cfg 'feature="default"' --cfg 'feature="std"' -C metadata=89ef92bd3befeb51 -C extra-filename=-89ef92bd3befeb51 --out-dir /opt/rustwide/target/debug/build/serde_json-89ef92bd3befeb51 -L dependency=/opt/rustwide/target/debug/deps --cap-lints allow --cap-lints=forbid` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "33da7f169f04472ccb2961bc80724780bb031d50ef4d9521c8e938ec41b4fd40", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "33da7f169f04472ccb2961bc80724780bb031d50ef4d9521c8e938ec41b4fd40", kill_on_drop: false }`
[INFO] [stdout] 33da7f169f04472ccb2961bc80724780bb031d50ef4d9521c8e938ec41b4fd40