[INFO] fetching crate wasmer-middlewares 2.2.0-rc2...
[INFO] testing wasmer-middlewares-2.2.0-rc2 against beta-2022-02-22 for beta-1.60-1
[INFO] extracting crate wasmer-middlewares 2.2.0-rc2 into /workspace/builds/worker-94/source
[INFO] validating manifest of crates.io crate wasmer-middlewares 2.2.0-rc2 on toolchain beta-2022-02-22
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate wasmer-middlewares 2.2.0-rc2
[INFO] finished tweaking crates.io crate wasmer-middlewares 2.2.0-rc2
[INFO] tweaked toml for crates.io crate wasmer-middlewares 2.2.0-rc2 written to /workspace/builds/worker-94/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "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-2022-02-22" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-94/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-94/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] aaf5a6878a4dbed2695c4d0af815a1ad54a3af6b9f7666d8aefb739086f59d1a
[INFO] running `Command { std: "docker" "start" "-a" "aaf5a6878a4dbed2695c4d0af815a1ad54a3af6b9f7666d8aefb739086f59d1a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "aaf5a6878a4dbed2695c4d0af815a1ad54a3af6b9f7666d8aefb739086f59d1a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aaf5a6878a4dbed2695c4d0af815a1ad54a3af6b9f7666d8aefb739086f59d1a", kill_on_drop: false }`
[INFO] [stdout] aaf5a6878a4dbed2695c4d0af815a1ad54a3af6b9f7666d8aefb739086f59d1a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-94/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-94/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f288d78d1ec7e4379bec7e964f68739942dae49568ad4cae7cbe02035cc661b3
[INFO] running `Command { std: "docker" "start" "-a" "f288d78d1ec7e4379bec7e964f68739942dae49568ad4cae7cbe02035cc661b3", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.86
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]    Compiling once_cell v1.9.0
[INFO] [stderr]    Compiling serde v1.0.136
[INFO] [stderr]    Compiling bytecheck v0.6.7
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling rustversion v1.0.6
[INFO] [stderr]    Compiling rend v0.3.6
[INFO] [stderr]    Compiling ident_case v1.0.1
[INFO] [stderr]    Compiling strsim v0.10.0
[INFO] [stderr]    Compiling rkyv v0.7.33
[INFO] [stderr]    Compiling seahash v4.1.0
[INFO] [stderr]    Compiling gimli v0.26.1
[INFO] [stderr]    Compiling target-lexicon v0.12.3
[INFO] [stderr]    Compiling rustc-demangle v0.1.21
[INFO] [stderr]    Compiling more-asserts v0.2.2
[INFO] [stderr]    Compiling wasmparser v0.78.2
[INFO] [stderr]    Compiling crc32fast v1.3.2
[INFO] [stderr]    Compiling smallvec v1.8.0
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling fastrand v1.7.0
[INFO] [stderr]    Compiling remove_dir_all v0.5.3
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]    Compiling pin-project-lite v0.2.8
[INFO] [stderr]    Compiling leb128 v0.2.5
[INFO] [stderr]    Compiling indexmap v1.8.0
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]    Compiling backtrace v0.3.64
[INFO] [stderr]    Compiling wasmer-vm v2.2.0-rc2
[INFO] [stderr]    Compiling tracing-core v0.1.22
[INFO] [stderr]    Compiling libloading v0.7.3
[INFO] [stderr]    Compiling getrandom v0.2.5
[INFO] [stderr]    Compiling region v3.0.0
[INFO] [stderr]    Compiling memmap2 v0.5.3
[INFO] [stderr]    Compiling ahash v0.7.6
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling tempfile v3.3.0
[INFO] [stderr]    Compiling which v4.2.4
[INFO] [stderr]    Compiling addr2line v0.17.0
[INFO] [stderr]    Compiling object v0.27.1
[INFO] [stderr]    Compiling hashbrown v0.11.2
[INFO] [stderr]    Compiling hashbrown v0.12.0
[INFO] [stderr]    Compiling darling_core v0.13.1
[INFO] [stderr]    Compiling serde_derive v1.0.136
[INFO] [stderr]    Compiling ptr_meta_derive v0.1.4
[INFO] [stderr]    Compiling bytecheck_derive v0.6.7
[INFO] [stderr]    Compiling rkyv_derive v0.7.33
[INFO] [stderr]    Compiling loupe-derive v0.1.3
[INFO] [stderr]    Compiling thiserror-impl v1.0.30
[INFO] [stderr]    Compiling enum-iterator-derive v0.7.0
[INFO] [stderr]    Compiling tracing-attributes v0.1.19
[INFO] [stderr]    Compiling wasmer-derive v2.2.0-rc2
[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=0a4a7ea62560bc54 -C extra-filename=-0a4a7ea62560bc54 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-d43b9eeea9b4257f.rlib --extern quote=/opt/rustwide/target/debug/deps/libquote-8d5920e04f914a4c.rlib --extern syn=/opt/rustwide/target/debug/deps/libsyn-b847b7e76d8bf60b.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" "f288d78d1ec7e4379bec7e964f68739942dae49568ad4cae7cbe02035cc661b3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f288d78d1ec7e4379bec7e964f68739942dae49568ad4cae7cbe02035cc661b3", kill_on_drop: false }`
[INFO] [stdout] f288d78d1ec7e4379bec7e964f68739942dae49568ad4cae7cbe02035cc661b3