[INFO] fetching crate rhai 0.19.9...
[INFO] testing rhai-0.19.9 against beta-2021-01-01 for beta-1.50-1
[INFO] extracting crate rhai 0.19.9 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate rhai 0.19.9 on toolchain beta-2021-01-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rhai 0.19.9
[INFO] finished tweaking crates.io crate rhai 0.19.9
[INFO] tweaked toml for crates.io crate rhai 0.19.9 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate crates.io crate rhai 0.19.9 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "fetch" "--locked" "--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 rhai_codegen v0.3.1
[INFO] [stderr]   Downloaded core-error v0.0.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b2e569d80ca8f34796cd3522ba3a3a3c2db57ef00a8058a386ae20030229a145
[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" "b2e569d80ca8f34796cd3522ba3a3a3c2db57ef00a8058a386ae20030229a145", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b2e569d80ca8f34796cd3522ba3a3a3c2db57ef00a8058a386ae20030229a145", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b2e569d80ca8f34796cd3522ba3a3a3c2db57ef00a8058a386ae20030229a145", kill_on_drop: false }`
[INFO] [stdout] b2e569d80ca8f34796cd3522ba3a3a3c2db57ef00a8058a386ae20030229a145
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 76efe1e1b86816347d537dc5ff9a4f06c3083c7755fc30fbc46db3fb15cb73b6
[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" "76efe1e1b86816347d537dc5ff9a4f06c3083c7755fc30fbc46db3fb15cb73b6", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.55
[INFO] [stderr]    Compiling smallvec v1.5.1
[INFO] [stderr]    Compiling rhai_codegen v0.3.1
[INFO] [stderr]    Compiling rhai v0.19.9 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 22s
[INFO] running `Command { std: "docker" "inspect" "76efe1e1b86816347d537dc5ff9a4f06c3083c7755fc30fbc46db3fb15cb73b6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "76efe1e1b86816347d537dc5ff9a4f06c3083c7755fc30fbc46db3fb15cb73b6", kill_on_drop: false }`
[INFO] [stdout] 76efe1e1b86816347d537dc5ff9a4f06c3083c7755fc30fbc46db3fb15cb73b6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5ec410934faefa964a503dd0d966d78d7b8e61e7805ebc8b89e7a1c93d104fcf
[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" "5ec410934faefa964a503dd0d966d78d7b8e61e7805ebc8b89e7a1c93d104fcf", kill_on_drop: false }`
[INFO] [stderr]    Compiling rhai v0.19.9 (/opt/rustwide/workdir)
[INFO] [stderr] error: could not compile `rhai`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name closures --edition=2018 tests/closures.rs --error-format=json --json=diagnostic-rendered-ansi --emit=dep-info,link -C embed-bitcode=no -C debuginfo=2 --test --cfg 'feature="default"' -C metadata=569f86072d0b4a02 -C extra-filename=-569f86072d0b4a02 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern rhai=/opt/rustwide/target/debug/deps/librhai-247272af020c7529.rlib --extern rhai_codegen=/opt/rustwide/target/debug/deps/librhai_codegen-2ddf0c69f2778fcc.so --extern smallvec=/opt/rustwide/target/debug/deps/libsmallvec-362b60c1e7bb77e8.rlib --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" "5ec410934faefa964a503dd0d966d78d7b8e61e7805ebc8b89e7a1c93d104fcf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5ec410934faefa964a503dd0d966d78d7b8e61e7805ebc8b89e7a1c93d104fcf", kill_on_drop: false }`
[INFO] [stdout] 5ec410934faefa964a503dd0d966d78d7b8e61e7805ebc8b89e7a1c93d104fcf