[INFO] fetching crate sampitor 0.0.1...
[INFO] checking sampitor-0.0.1 against master#8007b506ac5da629f223b755f5a5391edd5f6d01 for pr-88041
[INFO] extracting crate sampitor 0.0.1 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate sampitor 0.0.1 on toolchain 8007b506ac5da629f223b755f5a5391edd5f6d01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8007b506ac5da629f223b755f5a5391edd5f6d01" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-3/source/rust-toolchain.toml
[INFO] started tweaking crates.io crate sampitor 0.0.1
[INFO] finished tweaking crates.io crate sampitor 0.0.1
[INFO] tweaked toml for crates.io crate sampitor 0.0.1 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate crates.io crate sampitor 0.0.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8007b506ac5da629f223b755f5a5391edd5f6d01" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+8007b506ac5da629f223b755f5a5391edd5f6d01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d6a9d0ec01cd0640f0ae6a3510fa8e4a9f0d43725814eb4949134888d5e906a8
[INFO] running `Command { std: "docker" "start" "-a" "d6a9d0ec01cd0640f0ae6a3510fa8e4a9f0d43725814eb4949134888d5e906a8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d6a9d0ec01cd0640f0ae6a3510fa8e4a9f0d43725814eb4949134888d5e906a8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d6a9d0ec01cd0640f0ae6a3510fa8e4a9f0d43725814eb4949134888d5e906a8", kill_on_drop: false }`
[INFO] [stdout] d6a9d0ec01cd0640f0ae6a3510fa8e4a9f0d43725814eb4949134888d5e906a8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+8007b506ac5da629f223b755f5a5391edd5f6d01" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ebb00a61bf9e76456dc3d55726891afb8e864dcdfcd6665f88fd0570526bcfec
[INFO] running `Command { std: "docker" "start" "-a" "ebb00a61bf9e76456dc3d55726891afb8e864dcdfcd6665f88fd0570526bcfec", 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]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.92
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.26
[INFO] [stderr]    Compiling syn v1.0.68
[INFO] [stderr]    Compiling pkg-config v0.3.19
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling serde_derive v1.0.125
[INFO] [stderr]    Compiling serde v1.0.125
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]     Checking tinyvec_macros v0.1.0
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling crc32fast v1.2.1
[INFO] [stderr]    Compiling getrandom v0.2.2
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]     Checking ppv-lite86 v0.2.10
[INFO] [stderr]     Checking pin-project-lite v0.2.6
[INFO] [stderr]     Checking matches v0.1.8
[INFO] [stderr]     Checking hashbrown v0.9.1
[INFO] [stderr]    Compiling eyre v0.6.5
[INFO] [stderr]    Compiling cpal v0.13.3
[INFO] [stderr]     Checking gimli v0.23.0
[INFO] [stderr]    Compiling unicode-segmentation v1.7.1
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]    Compiling rayon-core v1.9.0
[INFO] [stderr]     Checking quick-error v1.2.3
[INFO] [stderr]     Checking rustc-demangle v0.1.18
[INFO] [stderr]    Compiling curl v0.4.35
[INFO] [stderr]     Checking indenter v0.3.3
[INFO] [stderr]     Checking owo-colors v1.3.0
[INFO] [stderr]     Checking unicode-xid v0.2.1
[INFO] [stderr]     Checking object v0.23.0
[INFO] [stderr]     Checking percent-encoding v2.1.0
[INFO] [stderr]     Checking openssl-probe v0.1.2
[INFO] [stderr]    Compiling doc-comment v0.3.3
[INFO] [stderr]     Checking os_str_bytes v2.4.0
[INFO] [stderr]     Checking cassowary v0.3.0
[INFO] [stderr]    Compiling nix v0.18.0
[INFO] [stderr]     Checking hound v3.4.0
[INFO] [stderr]     Checking strsim v0.10.0
[INFO] [stderr]     Checking predicates-core v1.0.2
[INFO] [stderr]     Checking claxon v0.4.3
[INFO] [stderr]     Checking plotters-backend v0.3.0
[INFO] [stderr]     Checking wasmparser v0.57.0
[INFO] [stderr]     Checking normalize-line-endings v0.3.0
[INFO] [stderr]     Checking bit-vec v0.6.3
[INFO] [stderr]     Checking md5 v0.7.0
[INFO] [stderr]     Checking humantime v2.1.0
[INFO] [stderr]     Checking difference v2.0.0
[INFO] [stderr]     Checking half v1.7.1
[INFO] [stderr]     Checking fnv v1.0.7
[INFO] [stderr]     Checking treeline v0.1.0
[INFO] [stderr]     Checking stable_deref_trait v1.2.0
[INFO] [stderr]     Checking fallible-iterator v0.2.0
[INFO] [stderr]     Checking oorandom v11.1.3
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]    Compiling crossbeam-utils v0.8.3
[INFO] [stderr]     Checking lock_api v0.4.2
[INFO] [stderr]    Compiling indexmap v1.6.2
[INFO] [stderr]    Compiling memoffset v0.6.3
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling rayon v1.5.0
[INFO] [stderr]     Checking textwrap v0.12.1
[INFO] [stderr]     Checking csv-core v0.1.10
[INFO] [stderr]     Checking quick-xml v0.18.1
[INFO] [stderr]     Checking tinyvec v1.1.1
[INFO] [stderr]     Checking instant v0.1.9
[INFO] [stderr]     Checking tracing-core v0.1.17
[INFO] [stderr]     Checking sharded-slab v0.1.1
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]     Checking unicode-bidi v0.3.4
[INFO] [stderr] error: could not compile `pkg-config`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name pkg_config /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/pkg-config-0.3.19/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi --crate-type lib --emit=dep-info,metadata,link -C embed-bitcode=no -C debuginfo=2 -C metadata=b952aecd167c3d7e -C extra-filename=-b952aecd167c3d7e --out-dir /opt/rustwide/target/debug/deps -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" "ebb00a61bf9e76456dc3d55726891afb8e864dcdfcd6665f88fd0570526bcfec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ebb00a61bf9e76456dc3d55726891afb8e864dcdfcd6665f88fd0570526bcfec", kill_on_drop: false }`
[INFO] [stdout] ebb00a61bf9e76456dc3d55726891afb8e864dcdfcd6665f88fd0570526bcfec