[INFO] fetching crate ic-cdk-optimizer 0.3.4...
[INFO] testing ic-cdk-optimizer-0.3.4 against 1.60.0 for beta-1.61-1
[INFO] extracting crate ic-cdk-optimizer 0.3.4 into /workspace/builds/worker-13/source
[INFO] validating manifest of crates.io crate ic-cdk-optimizer 0.3.4 on toolchain 1.60.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ic-cdk-optimizer 0.3.4
[INFO] finished tweaking crates.io crate ic-cdk-optimizer 0.3.4
[INFO] tweaked toml for crates.io crate ic-cdk-optimizer 0.3.4 written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] crate crates.io crate ic-cdk-optimizer 0.3.4 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded humansize v1.1.1
[INFO] [stderr]   Downloaded wabt v0.10.0
[INFO] [stderr]   Downloaded glob v0.2.11
[INFO] [stderr]   Downloaded binaryen-sys v0.12.0
[INFO] [stderr]   Downloaded wabt-sys v0.8.0
[INFO] [stderr]   Downloaded binaryen v0.12.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] b848b0ba2ff955fc046caa915e908a8ea9143e15f027b6c306aa466a748c80b2
[INFO] running `Command { std: "docker" "start" "-a" "b848b0ba2ff955fc046caa915e908a8ea9143e15f027b6c306aa466a748c80b2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b848b0ba2ff955fc046caa915e908a8ea9143e15f027b6c306aa466a748c80b2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b848b0ba2ff955fc046caa915e908a8ea9143e15f027b6c306aa466a748c80b2", kill_on_drop: false }`
[INFO] [stdout] b848b0ba2ff955fc046caa915e908a8ea9143e15f027b6c306aa466a748c80b2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] ffe98aca34a96222dc6355b44c88035a6a6e771ee45f1083b7f710a2c5b5a6f3
[INFO] running `Command { std: "docker" "start" "-a" "ffe98aca34a96222dc6355b44c88035a6a6e771ee45f1083b7f710a2c5b5a6f3", kill_on_drop: false }`
[INFO] [stderr]    Compiling os_str_bytes v2.4.0
[INFO] [stderr]    Compiling cmake v0.1.48
[INFO] [stderr]    Compiling textwrap v0.12.1
[INFO] [stderr]    Compiling serde_json v1.0.78
[INFO] [stderr]    Compiling serde_derive v1.0.136
[INFO] [stderr]    Compiling clap_derive v3.0.0-beta.2
[INFO] [stderr]    Compiling wabt-sys v0.8.0
[INFO] [stderr]    Compiling binaryen-sys v0.12.0
[INFO] [stderr]    Compiling clap v3.0.0-beta.2
[INFO] [stderr] error: could not compile `serde_derive`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name serde_derive /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/serde_derive-1.0.136/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type proc-macro --emit=dep-info,link -C prefer-dynamic -C embed-bitcode=no -C debuginfo=2 --cfg 'feature="default"' -C metadata=4d69e1a5b34e7ff8 -C extra-filename=-4d69e1a5b34e7ff8 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-d0e4c723ecad0f39.rlib --extern quote=/opt/rustwide/target/debug/deps/libquote-3df76aa48d62b863.rlib --extern syn=/opt/rustwide/target/debug/deps/libsyn-cf92d0163b7d6099.rlib --extern proc_macro --cap-lints allow --cap-lints=warn --cfg underscore_consts --cfg ptr_addr_of` (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" "ffe98aca34a96222dc6355b44c88035a6a6e771ee45f1083b7f710a2c5b5a6f3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ffe98aca34a96222dc6355b44c88035a6a6e771ee45f1083b7f710a2c5b5a6f3", kill_on_drop: false }`
[INFO] [stdout] ffe98aca34a96222dc6355b44c88035a6a6e771ee45f1083b7f710a2c5b5a6f3