[INFO] fetching crate peepmatic 0.76.0...
[INFO] testing peepmatic-0.76.0 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate peepmatic 0.76.0 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate peepmatic 0.76.0 on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate peepmatic 0.76.0
[INFO] finished tweaking crates.io crate peepmatic 0.76.0
[INFO] tweaked toml for crates.io crate peepmatic 0.76.0 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "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-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1ef0ba3389187519f23268f09940d8e1b336c99ec99b03b57ad7a79d57d057bf
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "1ef0ba3389187519f23268f09940d8e1b336c99ec99b03b57ad7a79d57d057bf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1ef0ba3389187519f23268f09940d8e1b336c99ec99b03b57ad7a79d57d057bf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1ef0ba3389187519f23268f09940d8e1b336c99ec99b03b57ad7a79d57d057bf", kill_on_drop: false }`
[INFO] [stdout] 1ef0ba3389187519f23268f09940d8e1b336c99ec99b03b57ad7a79d57d057bf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fd5fa1ccf23262b92391ecda3ea37325e02c7774d9011ccb5b1a5af4c22f011b
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "fd5fa1ccf23262b92391ecda3ea37325e02c7774d9011ccb5b1a5af4c22f011b", kill_on_drop: false }`
[INFO] [stderr]    Compiling peepmatic-traits v0.76.0
[INFO] [stderr]    Compiling wast v36.0.0
[INFO] [stderr]    Compiling z3-sys v0.6.3
[INFO] [stderr]    Compiling serde_derive v1.0.130
[INFO] [stderr]    Compiling thiserror-impl v1.0.29
[INFO] [stderr]    Compiling peepmatic-macro v0.76.0
[INFO] [stderr]    Compiling thiserror v1.0.29
[INFO] [stderr]    Compiling serde v1.0.130
[INFO] [stderr]    Compiling peepmatic-automata v0.76.0
[INFO] [stderr]    Compiling bincode v1.3.3
[INFO] [stderr]    Compiling peepmatic-runtime v0.76.0
[INFO] [stderr] error: could not compile `peepmatic-runtime`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name peepmatic_runtime --edition=2018 /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/peepmatic-runtime-0.76.0/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 --cfg 'feature="construct"' --cfg 'feature="wast"' -C metadata=374f5a0e86c08207 -C extra-filename=-374f5a0e86c08207 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern bincode=/opt/rustwide/target/debug/deps/libbincode-dda55a494b848041.rmeta --extern bumpalo=/opt/rustwide/target/debug/deps/libbumpalo-9ed5121ca0347cbe.rmeta --extern log=/opt/rustwide/target/debug/deps/liblog-51b42ffc939a9eea.rmeta --extern peepmatic_automata=/opt/rustwide/target/debug/deps/libpeepmatic_automata-fc550f9420719587.rmeta --extern peepmatic_traits=/opt/rustwide/target/debug/deps/libpeepmatic_traits-70c261b3c32114b3.rmeta --extern serde=/opt/rustwide/target/debug/deps/libserde-87f22e6c89f24438.rmeta --extern thiserror=/opt/rustwide/target/debug/deps/libthiserror-33cfe4086416fab1.rmeta --extern wast=/opt/rustwide/target/debug/deps/libwast-21cdad93ac3e0492.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" "fd5fa1ccf23262b92391ecda3ea37325e02c7774d9011ccb5b1a5af4c22f011b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fd5fa1ccf23262b92391ecda3ea37325e02c7774d9011ccb5b1a5af4c22f011b", kill_on_drop: false }`
[INFO] [stdout] fd5fa1ccf23262b92391ecda3ea37325e02c7774d9011ccb5b1a5af4c22f011b