[INFO] fetching crate risq 0.4.1...
[INFO] testing risq-0.4.1 against beta-2021-08-01 for beta-1.55-1
[INFO] extracting crate risq 0.4.1 into /workspace/builds/worker-72/source
[INFO] validating manifest of crates.io crate risq 0.4.1 on toolchain beta-2021-08-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate risq 0.4.1
[INFO] finished tweaking crates.io crate risq 0.4.1
[INFO] tweaked toml for crates.io crate risq 0.4.1 written to /workspace/builds/worker-72/source/Cargo.toml
[INFO] crate crates.io crate risq 0.4.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "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-72/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-72/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" "+beta-2021-08-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bda364ffee914f52143c415736b67cbe0c8ca4a634d9581e5564d2ed10722d3f
[INFO] running `Command { std: "docker" "start" "-a" "bda364ffee914f52143c415736b67cbe0c8ca4a634d9581e5564d2ed10722d3f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bda364ffee914f52143c415736b67cbe0c8ca4a634d9581e5564d2ed10722d3f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bda364ffee914f52143c415736b67cbe0c8ca4a634d9581e5564d2ed10722d3f", kill_on_drop: false }`
[INFO] [stdout] bda364ffee914f52143c415736b67cbe0c8ca4a634d9581e5564d2ed10722d3f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-72/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-72/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c45a33af84d53308724c105760a95028b168e9999d5ba0710d083da06d324979
[INFO] running `Command { std: "docker" "start" "-a" "c45a33af84d53308724c105760a95028b168e9999d5ba0710d083da06d324979", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.65
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling autocfg v0.1.7
[INFO] [stderr]    Compiling cc v1.0.41
[INFO] [stderr]    Compiling either v1.5.3
[INFO] [stderr]    Compiling futures v0.1.29
[INFO] [stderr]    Compiling smallvec v0.6.12
[INFO] [stderr]    Compiling proc-macro2 v1.0.6
[INFO] [stderr]    Compiling syn v1.0.7
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling rustc-demangle v0.1.16
[INFO] [stderr]    Compiling serde v1.0.102
[INFO] [stderr]    Compiling failure_derive v0.1.6
[INFO] [stderr]    Compiling percent-encoding v1.0.1
[INFO] [stderr]    Compiling version_check v0.1.5
[INFO] [stderr]    Compiling getrandom v0.1.13
[INFO] [stderr]    Compiling ryu v1.0.2
[INFO] [stderr]    Compiling arrayvec v0.4.12
[INFO] [stderr]    Compiling copyless v0.1.4
[INFO] [stderr]    Compiling nodrop v0.1.14
[INFO] [stderr]    Compiling httparse v1.3.4
[INFO] [stderr]    Compiling crc32fast v1.2.0
[INFO] [stderr]    Compiling ppv-lite86 v0.2.6
[INFO] [stderr]    Compiling dtoa v0.4.4
[INFO] [stderr]    Compiling encoding_rs v0.8.20
[INFO] [stderr]    Compiling adler32 v1.0.4
[INFO] [stderr]    Compiling linked-hash-map v0.5.2
[INFO] [stderr]    Compiling winapi v0.3.8
[INFO] [stderr]    Compiling mime v0.3.14
[INFO] [stderr]    Compiling arc-swap v0.4.3
[INFO] [stderr]    Compiling cgmath v0.16.1
[INFO] [stderr]    Compiling pkg-config v0.3.16
[INFO] [stderr]    Compiling approx v0.1.1
[INFO] [stderr]    Compiling void v1.0.2
[INFO] [stderr]    Compiling ascii v0.9.3
[INFO] [stderr]    Compiling sha1 v0.6.0
[INFO] [stderr]    Compiling language-tags v0.2.2
[INFO] [stderr]    Compiling rgb v0.8.14
[INFO] [stderr]    Compiling hashbrown v0.5.0
[INFO] [stderr]    Compiling try-lock v0.2.2
[INFO] [stderr]    Compiling unicode-segmentation v1.5.0
[INFO] [stderr]    Compiling foreign-types-shared v0.1.1
[INFO] [stderr]    Compiling openssl v0.10.25
[INFO] [stderr]    Compiling bech32 v0.7.1
[INFO] [stderr]    Compiling hashbrown v0.3.1
[INFO] [stderr]    Compiling hex v0.3.2
[INFO] [stderr]    Compiling bufstream v0.1.4
[INFO] [stderr]    Compiling lock_api v0.2.0
[INFO] [stderr]    Compiling humantime v1.3.0
[INFO] [stderr]    Compiling memoffset v0.5.2
[INFO] [stderr]    Compiling base64 v0.10.1
[INFO] [stderr]    Compiling parking_lot_core v0.5.0
[INFO] [stderr]    Compiling hyper v0.12.35
[INFO] [stderr]    Compiling parking_lot v0.8.0
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling crossbeam-utils v0.6.6
[INFO] [stderr]    Compiling try_from v0.3.2
[INFO] [stderr]    Compiling miniz_oxide v0.3.5
[INFO] [stderr]    Compiling foreign-types v0.3.2
[INFO] [stderr]    Compiling unicode-normalization v0.1.8
[INFO] [stderr]    Compiling unreachable v1.0.0
[INFO] [stderr]    Compiling itertools v0.8.1
[INFO] [stderr]    Compiling lru-cache v0.1.2
[INFO] [stderr] error: could not compile `cc`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name cc /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/cc-1.0.41/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts --crate-type lib --emit=dep-info,metadata,link -C embed-bitcode=no -C debuginfo=2 -C metadata=ace68937f61522f0 -C extra-filename=-ace68937f61522f0 --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" "c45a33af84d53308724c105760a95028b168e9999d5ba0710d083da06d324979", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c45a33af84d53308724c105760a95028b168e9999d5ba0710d083da06d324979", kill_on_drop: false }`
[INFO] [stdout] c45a33af84d53308724c105760a95028b168e9999d5ba0710d083da06d324979
