[INFO] fetching crate rox-lang 0.0.1...
[INFO] testing rox-lang-0.0.1 against 1.55.0 for beta-1.56-2
[INFO] extracting crate rox-lang 0.0.1 into /workspace/builds/worker-15/source
[INFO] validating manifest of crates.io crate rox-lang 0.0.1 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rox-lang 0.0.1
[INFO] finished tweaking crates.io crate rox-lang 0.0.1
[INFO] tweaked toml for crates.io crate rox-lang 0.0.1 written to /workspace/builds/worker-15/source/Cargo.toml
[INFO] crate crates.io crate rox-lang 0.0.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "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 cranelift-bforest v0.63.0
[INFO] [stderr]   Downloaded cranelift-native v0.63.0
[INFO] [stderr]   Downloaded oorandom v11.1.1
[INFO] [stderr]   Downloaded cranelift-codegen-shared v0.63.0
[INFO] [stderr]   Downloaded cranelift-simplejit v0.63.0
[INFO] [stderr]   Downloaded sized-chunks v0.5.3
[INFO] [stderr]   Downloaded im v14.3.0
[INFO] [stderr]   Downloaded object v0.18.0
[INFO] [stderr]   Downloaded cranelift-module v0.63.0
[INFO] [stderr]   Downloaded cranelift-codegen-meta v0.63.0
[INFO] [stderr]   Downloaded cranelift-frontend v0.63.0
[INFO] [stderr]   Downloaded cranelift v0.63.0
[INFO] [stderr]   Downloaded regalloc v0.0.21
[INFO] [stderr]   Downloaded cranelift-object v0.63.0
[INFO] [stderr]   Downloaded plotters v0.2.14
[INFO] [stderr]   Downloaded cranelift-entity v0.63.0
[INFO] [stderr]   Downloaded cranelift-codegen v0.63.0
[INFO] [stderr]   Downloaded gimli v0.20.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e870a50c2b60533920836301a920492a5fad47d81a5b03254c0b31007c34b09c
[INFO] running `Command { std: "docker" "start" "-a" "e870a50c2b60533920836301a920492a5fad47d81a5b03254c0b31007c34b09c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e870a50c2b60533920836301a920492a5fad47d81a5b03254c0b31007c34b09c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e870a50c2b60533920836301a920492a5fad47d81a5b03254c0b31007c34b09c", kill_on_drop: false }`
[INFO] [stdout] e870a50c2b60533920836301a920492a5fad47d81a5b03254c0b31007c34b09c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d680ceebfdd02f04608890dcc39ebfae0ef733169752f171d68c272bd8063b09
[INFO] running `Command { std: "docker" "start" "-a" "d680ceebfdd02f04608890dcc39ebfae0ef733169752f171d68c272bd8063b09", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling proc-macro2 v1.0.13
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling syn v1.0.22
[INFO] [stderr]    Compiling libc v0.2.70
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling autocfg v0.1.7
[INFO] [stderr]    Compiling rand_core v0.4.2
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling typenum v1.12.0
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]    Compiling version_check v0.9.1
[INFO] [stderr]    Compiling cranelift-entity v0.63.0
[INFO] [stderr]    Compiling target-lexicon v0.10.0
[INFO] [stderr]    Compiling cranelift-codegen-shared v0.63.0
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling rustc-hash v1.1.0
[INFO] [stderr]    Compiling smallvec v1.4.0
[INFO] [stderr]    Compiling serde v1.0.110
[INFO] [stderr]    Compiling regex-syntax v0.6.17
[INFO] [stderr]    Compiling byte-tools v0.3.1
[INFO] [stderr]    Compiling anyhow v1.0.31
[INFO] [stderr]    Compiling cc v1.0.54
[INFO] [stderr]    Compiling bit-vec v0.6.2
[INFO] [stderr]    Compiling new_debug_unreachable v1.0.4
[INFO] [stderr]    Compiling opaque-debug v0.2.3
[INFO] [stderr]    Compiling either v1.5.3
[INFO] [stderr]    Compiling crc32fast v1.2.0
[INFO] [stderr]    Compiling strsim v0.9.3
[INFO] [stderr]    Compiling unicode-segmentation v1.6.0
[INFO] [stderr]    Compiling diff v0.1.12
[INFO] [stderr]    Compiling unicode-width v0.1.7
[INFO] [stderr]    Compiling strsim v0.8.0
[INFO] [stderr]    Compiling vec_map v0.8.2
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling phf_shared v0.7.24
[INFO] [stderr]    Compiling thread_local v1.0.1
[INFO] [stderr]    Compiling rand_core v0.3.1
[INFO] [stderr]    Compiling rand_jitter v0.1.4
[INFO] [stderr]    Compiling cranelift-codegen-meta v0.63.0
[INFO] [stderr]    Compiling cranelift-bforest v0.63.0
[INFO] [stderr]    Compiling block-padding v0.1.5
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.2
[INFO] [stderr]    Compiling proc-macro-error v1.0.2
[INFO] [stderr]    Compiling im v14.3.0
[INFO] [stderr] error: could not compile `cranelift-codegen-meta`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name cranelift_codegen_meta --edition=2018 /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/cranelift-codegen-meta-0.63.0/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=4f1ae6377c7601ec -C extra-filename=-4f1ae6377c7601ec --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern cranelift_codegen_shared=/opt/rustwide/target/debug/deps/libcranelift_codegen_shared-8c4c728f1335336e.rmeta --extern cranelift_entity=/opt/rustwide/target/debug/deps/libcranelift_entity-278c6f955566a42f.rmeta --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" "d680ceebfdd02f04608890dcc39ebfae0ef733169752f171d68c272bd8063b09", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d680ceebfdd02f04608890dcc39ebfae0ef733169752f171d68c272bd8063b09", kill_on_drop: false }`
[INFO] [stdout] d680ceebfdd02f04608890dcc39ebfae0ef733169752f171d68c272bd8063b09