[INFO] fetching crate chess_dl 0.3.3...
[INFO] testing chess_dl-0.3.3 against 1.60.0 for beta-1.61-1
[INFO] extracting crate chess_dl 0.3.3 into /workspace/builds/worker-35/source
[INFO] validating manifest of crates.io crate chess_dl 0.3.3 on toolchain 1.60.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate chess_dl 0.3.3
[INFO] finished tweaking crates.io crate chess_dl 0.3.3
[INFO] tweaked toml for crates.io crate chess_dl 0.3.3 written to /workspace/builds/worker-35/source/Cargo.toml
[INFO] crate crates.io crate chess_dl 0.3.3 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "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 peg-macros v0.7.0
[INFO] [stderr]   Downloaded peg-runtime v0.7.0
[INFO] [stderr]   Downloaded peg v0.7.0
[INFO] [stderr]   Downloaded openssl v0.10.35
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-35/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-35/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3a95126bef7cc2a485d664fdc78d8adfc0c66228c0bda9b5bf56d5606902f839
[INFO] running `Command { std: "docker" "start" "-a" "3a95126bef7cc2a485d664fdc78d8adfc0c66228c0bda9b5bf56d5606902f839", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3a95126bef7cc2a485d664fdc78d8adfc0c66228c0bda9b5bf56d5606902f839", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3a95126bef7cc2a485d664fdc78d8adfc0c66228c0bda9b5bf56d5606902f839", kill_on_drop: false }`
[INFO] [stdout] 3a95126bef7cc2a485d664fdc78d8adfc0c66228c0bda9b5bf56d5606902f839
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-35/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-35/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c0bbff3cc79a9fbafac1461767ef4200f24c5b2fed83ba02a179b3d09973f82a
[INFO] running `Command { std: "docker" "start" "-a" "c0bbff3cc79a9fbafac1461767ef4200f24c5b2fed83ba02a179b3d09973f82a", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling proc-macro2 v1.0.27
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling libc v0.2.97
[INFO] [stderr]    Compiling syn v1.0.73
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling pin-project-lite v0.2.7
[INFO] [stderr]    Compiling futures-core v0.3.15
[INFO] [stderr]    Compiling proc-macro-hack v0.5.19
[INFO] [stderr]    Compiling pkg-config v0.3.19
[INFO] [stderr]    Compiling cc v1.0.68
[INFO] [stderr]    Compiling once_cell v1.8.0
[INFO] [stderr]    Compiling futures-sink v0.3.15
[INFO] [stderr]    Compiling futures-channel v0.3.15
[INFO] [stderr]    Compiling proc-macro-nested v0.1.7
[INFO] [stderr]    Compiling bytes v1.0.1
[INFO] [stderr]    Compiling smallvec v1.6.1
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling futures-task v0.3.15
[INFO] [stderr]    Compiling scopeguard v1.1.0
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]    Compiling itoa v0.4.7
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling futures-io v0.3.15
[INFO] [stderr]    Compiling slab v0.4.3
[INFO] [stderr]    Compiling pin-utils v0.1.0
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling foreign-types-shared v0.1.1
[INFO] [stderr]    Compiling openssl v0.10.35
[INFO] [stderr]    Compiling serde_derive v1.0.126
[INFO] [stderr]    Compiling hashbrown v0.11.2
[INFO] [stderr]    Compiling matches v0.1.8
[INFO] [stderr]    Compiling unicode-segmentation v1.8.0
[INFO] [stderr]    Compiling tinyvec_macros v0.1.0
[INFO] [stderr]    Compiling serde v1.0.126
[INFO] [stderr]    Compiling native-tls v0.2.7
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling httparse v1.4.1
[INFO] [stderr]    Compiling try-lock v0.2.3
[INFO] [stderr]    Compiling percent-encoding v2.1.0
[INFO] [stderr]    Compiling ucd-trie v0.1.3
[INFO] [stderr]    Compiling openssl-probe v0.1.4
[INFO] [stderr]    Compiling serde_json v1.0.64
[INFO] [stderr]    Compiling ppv-lite86 v0.2.10
[INFO] [stderr]    Compiling tower-service v0.3.1
[INFO] [stderr]    Compiling encoding_rs v0.8.28
[INFO] [stderr]    Compiling crossbeam-utils v0.8.5
[INFO] [stderr]    Compiling maplit v1.0.2
[INFO] [stderr]    Compiling httpdate v1.0.1
[INFO] [stderr]    Compiling peg-runtime v0.7.0
[INFO] [stderr]    Compiling termcolor v1.1.2
[INFO] [stderr]    Compiling unicode-width v0.1.8
[INFO] [stderr]    Compiling regex-syntax v0.6.25
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]    Compiling humantime v2.1.0
[INFO] [stderr]    Compiling remove_dir_all v0.5.3
[INFO] [stderr]    Compiling os_str_bytes v2.4.0
[INFO] [stderr]    Compiling mime v0.3.16
[INFO] [stderr]    Compiling ipnet v2.3.1
[INFO] [stderr]    Compiling strsim v0.10.0
[INFO] [stderr]    Compiling vec_map v0.8.2
[INFO] [stderr]    Compiling base64 v0.13.0
[INFO] [stderr]    Compiling tracing-core v0.1.18
[INFO] [stderr]    Compiling tinyvec v1.2.0
[INFO] [stderr]    Compiling lock_api v0.4.4
[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,artifacts,future-incompat --crate-type lib --emit=dep-info,metadata,link -C embed-bitcode=no -C debuginfo=2 -C metadata=5d74208add706706 -C extra-filename=-5d74208add706706 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --cap-lints allow --cap-lints=warn` (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" "c0bbff3cc79a9fbafac1461767ef4200f24c5b2fed83ba02a179b3d09973f82a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c0bbff3cc79a9fbafac1461767ef4200f24c5b2fed83ba02a179b3d09973f82a", kill_on_drop: false }`
[INFO] [stdout] c0bbff3cc79a9fbafac1461767ef4200f24c5b2fed83ba02a179b3d09973f82a