[INFO] fetching crate news-flash 1.2.2...
[INFO] testing news-flash-1.2.2 against 1.55.0 for beta-1.56-1
[INFO] extracting crate news-flash 1.2.2 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate news-flash 1.2.2 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate news-flash 1.2.2
[INFO] finished tweaking crates.io crate news-flash 1.2.2
[INFO] tweaked toml for crates.io crate news-flash 1.2.2 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 62c5273612f7df6a00b1cdb8dfcf4caeb7082b559ff3b61260584e8108ad35ed
[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" "62c5273612f7df6a00b1cdb8dfcf4caeb7082b559ff3b61260584e8108ad35ed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "62c5273612f7df6a00b1cdb8dfcf4caeb7082b559ff3b61260584e8108ad35ed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "62c5273612f7df6a00b1cdb8dfcf4caeb7082b559ff3b61260584e8108ad35ed", kill_on_drop: false }`
[INFO] [stdout] 62c5273612f7df6a00b1cdb8dfcf4caeb7082b559ff3b61260584e8108ad35ed
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+1.55.0" "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] 9920e9632fc4c8335a1f905bc636ee24078c844fa1fe83995a30c681d5b006bd
[INFO] running `Command { std: "docker" "start" "-a" "9920e9632fc4c8335a1f905bc636ee24078c844fa1fe83995a30c681d5b006bd", kill_on_drop: false }`
[INFO] [stderr]    Compiling jetscii v0.5.0
[INFO] [stderr]    Compiling debug-helper v0.3.12
[INFO] [stderr]    Compiling xmlparser v0.13.3
[INFO] [stderr]    Compiling obfstr v0.3.0
[INFO] [stderr]    Compiling news-flash v1.2.2 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling libsqlite3-sys v0.22.2
[INFO] [stderr]    Compiling libxml v0.2.16
[INFO] [stderr]    Compiling libxml v0.3.0
[INFO] [stderr]    Compiling escaper v0.1.1
[INFO] [stderr]    Compiling rust-embed-utils v5.1.0
[INFO] [stderr]    Compiling socket2 v0.4.1
[INFO] [stderr]    Compiling quick-xml v0.20.0
[INFO] [stderr]    Compiling flate2 v1.0.21
[INFO] [stderr]    Compiling uuid v0.8.2
[INFO] [stderr]    Compiling backtrace v0.3.61
[INFO] [stderr]    Compiling crypto-mac v0.11.1
[INFO] [stderr]    Compiling tokio-macros v1.3.0
[INFO] [stderr]    Compiling enum-as-inner v0.3.3
[INFO] [stderr]    Compiling chrono v0.4.19
[INFO] [stderr]    Compiling diesel_derives v1.4.1
[INFO] [stderr]    Compiling strong-xml-derive v0.6.3
[INFO] [stderr]    Compiling md-5 v0.9.1
[INFO] [stderr]    Compiling sha2 v0.9.8
[INFO] [stderr]    Compiling tiger v0.1.0
[INFO] [stderr]    Compiling sha-1 v0.9.8
[INFO] [stderr]    Compiling des v0.6.0
[INFO] [stderr]    Compiling block-modes v0.7.0
[INFO] [stderr]    Compiling crc-any v2.3.12
[INFO] [stderr]    Compiling hmac v0.11.0
[INFO] [stderr]    Compiling futures-util v0.3.17
[INFO] [stderr]    Compiling serde v1.0.130
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]    Compiling rust-embed-impl v5.9.0
[INFO] [stderr]    Compiling rayon v1.5.1
[INFO] [stderr]    Compiling magic-crypt v3.1.8
[INFO] [stderr] error: could not compile `libxml`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name libxml --edition=2018 /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/libxml-0.2.16/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts --crate-type lib --emit=dep-info,metadata,link -C embed-bitcode=no -C debuginfo=2 -C metadata=96ffd84638a83c78 -C extra-filename=-96ffd84638a83c78 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern libc=/opt/rustwide/target/debug/deps/liblibc-81da2330ba72cc4b.rmeta --cap-lints allow --cap-lints=warn -L native=/usr/lib/x86_64-linux-gnu -l xml2` (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" "9920e9632fc4c8335a1f905bc636ee24078c844fa1fe83995a30c681d5b006bd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9920e9632fc4c8335a1f905bc636ee24078c844fa1fe83995a30c681d5b006bd", kill_on_drop: false }`
[INFO] [stdout] 9920e9632fc4c8335a1f905bc636ee24078c844fa1fe83995a30c681d5b006bd