[INFO] fetching crate ic-cdk-optimizer 0.3.1...
[INFO] testing ic-cdk-optimizer-0.3.1 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate ic-cdk-optimizer 0.3.1 into /workspace/builds/worker-10/source
[INFO] validating manifest of crates.io crate ic-cdk-optimizer 0.3.1 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 ic-cdk-optimizer 0.3.1
[INFO] finished tweaking crates.io crate ic-cdk-optimizer 0.3.1
[INFO] tweaked toml for crates.io crate ic-cdk-optimizer 0.3.1 written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] crate crates.io crate ic-cdk-optimizer 0.3.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded binaryen v0.12.0
[INFO] [stderr]   Downloaded binaryen-sys v0.12.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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] 1060212c4b291d633535b095ab9959fa99217675d449d5e17dfdbd452c29041e
[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" "1060212c4b291d633535b095ab9959fa99217675d449d5e17dfdbd452c29041e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1060212c4b291d633535b095ab9959fa99217675d449d5e17dfdbd452c29041e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1060212c4b291d633535b095ab9959fa99217675d449d5e17dfdbd452c29041e", kill_on_drop: false }`
[INFO] [stdout] 1060212c4b291d633535b095ab9959fa99217675d449d5e17dfdbd452c29041e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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] 11c0ccfb1576b15684a9d8c6f3a6e7c26253d25a976a39126ba0315d02ca52b5
[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" "11c0ccfb1576b15684a9d8c6f3a6e7c26253d25a976a39126ba0315d02ca52b5", kill_on_drop: false }`
[INFO] [stderr]    Compiling humansize v1.1.1
[INFO] [stderr]    Compiling wabt-sys v0.8.0
[INFO] [stderr]    Compiling getrandom v0.2.3
[INFO] [stderr]    Compiling serde_json v1.0.66
[INFO] [stderr]    Compiling binaryen-sys v0.12.0
[INFO] [stderr]    Compiling clap_derive v3.0.0-beta.2
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.4
[INFO] [stderr]    Compiling tempfile v3.2.0
[INFO] [stderr]    Compiling clap v3.0.0-beta.2
[INFO] [stderr] error: could not compile `clap`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name clap --edition=2018 /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/clap-3.0.0-beta.2/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 --cfg 'feature="atty"' --cfg 'feature="cargo"' --cfg 'feature="clap_derive"' --cfg 'feature="color"' --cfg 'feature="default"' --cfg 'feature="derive"' --cfg 'feature="lazy_static"' --cfg 'feature="std"' --cfg 'feature="strsim"' --cfg 'feature="suggestions"' --cfg 'feature="termcolor"' -C metadata=163aa272c4523253 -C extra-filename=-163aa272c4523253 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern atty=/opt/rustwide/target/debug/deps/libatty-0a960b01b268c4b8.rmeta --extern bitflags=/opt/rustwide/target/debug/deps/libbitflags-610a73087f46ba3b.rmeta --extern clap_derive=/opt/rustwide/target/debug/deps/libclap_derive-5d6e91684609e78e.so --extern indexmap=/opt/rustwide/target/debug/deps/libindexmap-0040f1e2644ab5af.rmeta --extern lazy_static=/opt/rustwide/target/debug/deps/liblazy_static-86422d76b8bd90ed.rmeta --extern os_str_bytes=/opt/rustwide/target/debug/deps/libos_str_bytes-6b4b0da17982379d.rmeta --extern strsim=/opt/rustwide/target/debug/deps/libstrsim-be6ba759f95a5238.rmeta --extern termcolor=/opt/rustwide/target/debug/deps/libtermcolor-b126e2ab944ff130.rmeta --extern textwrap=/opt/rustwide/target/debug/deps/libtextwrap-48b636a55885fe2a.rmeta --extern unicode_width=/opt/rustwide/target/debug/deps/libunicode_width-b35e561241f87659.rmeta --extern vec_map=/opt/rustwide/target/debug/deps/libvec_map-18b27ee44a5c9049.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" "11c0ccfb1576b15684a9d8c6f3a6e7c26253d25a976a39126ba0315d02ca52b5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "11c0ccfb1576b15684a9d8c6f3a6e7c26253d25a976a39126ba0315d02ca52b5", kill_on_drop: false }`
[INFO] [stdout] 11c0ccfb1576b15684a9d8c6f3a6e7c26253d25a976a39126ba0315d02ca52b5