[INFO] fetching crate icx-asset 0.2.0...
[INFO] testing icx-asset-0.2.0 against beta-2021-08-01 for beta-1.55-1
[INFO] extracting crate icx-asset 0.2.0 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate icx-asset 0.2.0 on toolchain beta-2021-08-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate icx-asset 0.2.0
[INFO] finished tweaking crates.io crate icx-asset 0.2.0
[INFO] tweaked toml for crates.io crate icx-asset 0.2.0 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate crates.io crate icx-asset 0.2.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded delay v0.3.1
[INFO] [stderr]   Downloaded futures-intrusive v0.4.0
[INFO] [stderr]   Downloaded ic-asset v0.2.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "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] c692101126b0c93f139c178c5b2f599324d5b4a0c3ce63217f3d0f9c8461e8cb
[INFO] running `Command { std: "docker" "start" "-a" "c692101126b0c93f139c178c5b2f599324d5b4a0c3ce63217f3d0f9c8461e8cb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c692101126b0c93f139c178c5b2f599324d5b4a0c3ce63217f3d0f9c8461e8cb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c692101126b0c93f139c178c5b2f599324d5b4a0c3ce63217f3d0f9c8461e8cb", kill_on_drop: false }`
[INFO] [stdout] c692101126b0c93f139c178c5b2f599324d5b4a0c3ce63217f3d0f9c8461e8cb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2b27c3549541189d8b5c85a17e5328b74c69bc701e79af64f293d46e7813ea30
[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" "2b27c3549541189d8b5c85a17e5328b74c69bc701e79af64f293d46e7813ea30", kill_on_drop: false }`
[INFO] [stderr]    Compiling base32 v0.4.0
[INFO] [stderr]    Compiling leb128 v0.2.4
[INFO] [stderr]    Compiling strum v0.20.0
[INFO] [stderr]    Compiling delay v0.3.1
[INFO] [stderr]    Compiling ring v0.16.20
[INFO] [stderr]    Compiling itertools v0.10.1
[INFO] [stderr]    Compiling pretty v0.10.0
[INFO] [stderr]    Compiling petgraph v0.5.1
[INFO] [stderr]    Compiling serde_derive v1.0.126
[INFO] [stderr]    Compiling futures-macro v0.3.16
[INFO] [stderr]    Compiling tokio-macros v1.3.0
[INFO] [stderr]    Compiling num-bigint v0.4.0
[INFO] [stderr]    Compiling derivative v2.2.0
[INFO] [stderr]    Compiling chrono v0.4.19
[INFO] [stderr]    Compiling binread_derive v2.0.0
[INFO] [stderr]    Compiling logos-derive v0.12.0
[INFO] [stderr]    Compiling pem v0.8.3
[INFO] [stderr]    Compiling async-trait v0.1.51
[INFO] [stderr]    Compiling candid_derive v0.4.5
[INFO] [stderr]    Compiling futures-intrusive v0.4.0
[INFO] [stderr]    Compiling strum_macros v0.20.1
[INFO] [stderr]    Compiling clap_derive v3.0.0-beta.2
[INFO] [stderr]    Compiling lalrpop v0.19.6
[INFO] [stderr]    Compiling simple_asn1 v0.5.4
[INFO] [stderr]    Compiling tokio v1.9.0
[INFO] [stderr]    Compiling futures-util v0.3.16
[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-1.0.126/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=528c9c558402c883 -C extra-filename=-528c9c558402c883 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-842c01cbc6d4eb4a.rlib --extern quote=/opt/rustwide/target/debug/deps/libquote-0dd32b08acf7cc97.rlib --extern syn=/opt/rustwide/target/debug/deps/libsyn-1dc982a1e2ce84b6.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" "2b27c3549541189d8b5c85a17e5328b74c69bc701e79af64f293d46e7813ea30", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2b27c3549541189d8b5c85a17e5328b74c69bc701e79af64f293d46e7813ea30", kill_on_drop: false }`
[INFO] [stdout] 2b27c3549541189d8b5c85a17e5328b74c69bc701e79af64f293d46e7813ea30
