[INFO] fetching crate alexcrichton-cranelift-wasm 0.53.0...
[INFO] testing alexcrichton-cranelift-wasm-0.53.0 against beta-2021-01-01 for beta-1.50-1
[INFO] extracting crate alexcrichton-cranelift-wasm 0.53.0 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate alexcrichton-cranelift-wasm 0.53.0 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 alexcrichton-cranelift-wasm 0.53.0
[INFO] finished tweaking crates.io crate alexcrichton-cranelift-wasm 0.53.0
[INFO] tweaked toml for crates.io crate alexcrichton-cranelift-wasm 0.53.0 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[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]  Downloading crates ...
[INFO] [stderr]   Downloaded wabt v0.9.1
[INFO] [stderr]   Downloaded wabt-sys v0.6.1
[INFO] [stderr]   Downloaded alexcrichton-cranelift-entity v0.53.0
[INFO] [stderr]   Downloaded wasmparser v0.45.2
[INFO] [stderr]   Downloaded alexcrichton-cranelift-codegen-shared v0.53.0
[INFO] [stderr]   Downloaded alexcrichton-cranelift-frontend v0.53.0
[INFO] [stderr]   Downloaded alexcrichton-cranelift-bforest v0.53.0
[INFO] [stderr]   Downloaded alexcrichton-cranelift-codegen-meta v0.53.0
[INFO] [stderr]   Downloaded alexcrichton-cranelift-codegen v0.53.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b355f948e5caf9e9324074ec215e5a349d827cda8a6a8c6f0be68f6745a2a442
[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" "b355f948e5caf9e9324074ec215e5a349d827cda8a6a8c6f0be68f6745a2a442", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b355f948e5caf9e9324074ec215e5a349d827cda8a6a8c6f0be68f6745a2a442", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b355f948e5caf9e9324074ec215e5a349d827cda8a6a8c6f0be68f6745a2a442", kill_on_drop: false }`
[INFO] [stdout] b355f948e5caf9e9324074ec215e5a349d827cda8a6a8c6f0be68f6745a2a442
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5fb3f2234c3e65f3757b8a6b527de2373d38fe147d3d96877df672f20d349b0c
[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" "5fb3f2234c3e65f3757b8a6b527de2373d38fe147d3d96877df672f20d349b0c", kill_on_drop: false }`
[INFO] [stderr]    Compiling alexcrichton-cranelift-entity v0.53.0
[INFO] [stderr]    Compiling syn v1.0.57
[INFO] [stderr]    Compiling alexcrichton-cranelift-codegen-shared v0.53.0
[INFO] [stderr]    Compiling target-lexicon v0.10.0
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]    Compiling smallvec v1.6.0
[INFO] [stderr]    Compiling wasmparser v0.45.2
[INFO] [stderr]    Compiling alexcrichton-cranelift-codegen-meta v0.53.0
[INFO] [stderr]    Compiling alexcrichton-cranelift-bforest v0.53.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.23
[INFO] [stderr]    Compiling thiserror v1.0.23
[INFO] [stderr]    Compiling alexcrichton-cranelift-codegen v0.53.0
[INFO] [stderr]    Compiling alexcrichton-cranelift-frontend v0.53.0
[INFO] [stderr]    Compiling alexcrichton-cranelift-wasm v0.53.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 01s
[INFO] running `Command { std: "docker" "inspect" "5fb3f2234c3e65f3757b8a6b527de2373d38fe147d3d96877df672f20d349b0c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5fb3f2234c3e65f3757b8a6b527de2373d38fe147d3d96877df672f20d349b0c", kill_on_drop: false }`
[INFO] [stdout] 5fb3f2234c3e65f3757b8a6b527de2373d38fe147d3d96877df672f20d349b0c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a436bf237e4ba819b6f8678074b7713db8948eedb8da6e7924bcd8d3e34e37bf
[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" "a436bf237e4ba819b6f8678074b7713db8948eedb8da6e7924bcd8d3e34e37bf", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.118
[INFO] [stderr]    Compiling serde_derive v1.0.118
[INFO] [stderr]    Compiling cmake v0.1.45
[INFO] [stderr]    Compiling wabt-sys v0.6.1
[INFO] [stderr]    Compiling serde_json v1.0.61
[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-1.0.118/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi --crate-type proc-macro --emit=dep-info,link -C prefer-dynamic -C embed-bitcode=no -C debuginfo=2 --cfg 'feature="default"' -C metadata=452f5c4566342867 -C extra-filename=-452f5c4566342867 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-fc674c02767ecd53.rlib --extern quote=/opt/rustwide/target/debug/deps/libquote-c80413db87535708.rlib --extern syn=/opt/rustwide/target/debug/deps/libsyn-7b619d17041559bf.rlib --extern proc_macro --cap-lints allow --cap-lints=warn --cfg underscore_consts` (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" "a436bf237e4ba819b6f8678074b7713db8948eedb8da6e7924bcd8d3e34e37bf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a436bf237e4ba819b6f8678074b7713db8948eedb8da6e7924bcd8d3e34e37bf", kill_on_drop: false }`
[INFO] [stdout] a436bf237e4ba819b6f8678074b7713db8948eedb8da6e7924bcd8d3e34e37bf