[INFO] fetching crate network_peers_discovery 0.0.2...
[INFO] testing network_peers_discovery-0.0.2 against 1.49.0 for beta-1.50-1
[INFO] extracting crate network_peers_discovery 0.0.2 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate network_peers_discovery 0.0.2 on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate network_peers_discovery 0.0.2
[INFO] finished tweaking crates.io crate network_peers_discovery 0.0.2
[INFO] tweaked toml for crates.io crate network_peers_discovery 0.0.2 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] aed7774a87a65224ebf443a67fb7163c666ae886285e5d188e914f48f65d0415
[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" "aed7774a87a65224ebf443a67fb7163c666ae886285e5d188e914f48f65d0415", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "aed7774a87a65224ebf443a67fb7163c666ae886285e5d188e914f48f65d0415", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aed7774a87a65224ebf443a67fb7163c666ae886285e5d188e914f48f65d0415", kill_on_drop: false }`
[INFO] [stdout] aed7774a87a65224ebf443a67fb7163c666ae886285e5d188e914f48f65d0415
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1b7f393e4f56ea42dfe297581d70dbb35c4d2758ceacb965b74f0639d5e95e34
[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" "1b7f393e4f56ea42dfe297581d70dbb35c4d2758ceacb965b74f0639d5e95e34", kill_on_drop: false }`
[INFO] [stderr]    Compiling rustversion v1.0.4
[INFO] [stderr]    Compiling os_info v1.3.3
[INFO] [stderr]    Compiling md5 v0.6.1
[INFO] [stderr]    Compiling memchr v0.1.11
[INFO] [stderr]    Compiling hostname v0.3.1
[INFO] [stderr]    Compiling thread-id v2.0.0
[INFO] [stderr]    Compiling enum-as-inner v0.3.3
[INFO] [stderr]    Compiling tokio v0.2.24
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling chrono v0.4.19
[INFO] [stderr]    Compiling typed-builder v0.3.0
[INFO] [stderr]    Compiling sha-1 v0.8.2
[INFO] [stderr]    Compiling rustls v0.16.0
[INFO] [stderr]    Compiling derivative v1.0.4
[INFO] [stderr]    Compiling hyper v0.10.16
[INFO] [stderr]    Compiling webpki-roots v0.18.0
[INFO] [stderr]    Compiling md-5 v0.8.0
[INFO] [stderr]    Compiling serde_json v1.0.61
[INFO] [stderr]    Compiling futures-util v0.3.8
[INFO] [stderr]    Compiling pbkdf2 v0.3.0
[INFO] [stderr]    Compiling thread_local v0.2.7
[INFO] [stderr]    Compiling aho-corasick v0.5.3
[INFO] [stderr]    Compiling resolv-conf v0.7.0
[INFO] [stderr]    Compiling serde_with_macros v1.3.0
[INFO] [stderr]    Compiling exitfailure v0.5.1
[INFO] [stderr]    Compiling regex v0.1.80
[INFO] [stderr]    Compiling ra_common v0.0.2
[INFO] [stderr]    Compiling semver-parser v0.6.2
[INFO] [stderr]    Compiling bson v0.14.1
[INFO] [stderr] error: could not compile `hyper`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name hyper /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/hyper-0.10.16/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=9ffed2afb5c2d10b -C extra-filename=-9ffed2afb5c2d10b --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern base64=/opt/rustwide/target/debug/deps/libbase64-394e463f53b3ae27.rmeta --extern httparse=/opt/rustwide/target/debug/deps/libhttparse-70ee21a856a9db0a.rmeta --extern language_tags=/opt/rustwide/target/debug/deps/liblanguage_tags-a0a31ad22fc7dbda.rmeta --extern log=/opt/rustwide/target/debug/deps/liblog-2ccdee9e6280c915.rmeta --extern mime=/opt/rustwide/target/debug/deps/libmime-82a44db494dfd377.rmeta --extern num_cpus=/opt/rustwide/target/debug/deps/libnum_cpus-a8b7d78b177fad72.rmeta --extern time=/opt/rustwide/target/debug/deps/libtime-488b249a9f4509f3.rmeta --extern traitobject=/opt/rustwide/target/debug/deps/libtraitobject-6708b0170ed60e7a.rmeta --extern typeable=/opt/rustwide/target/debug/deps/libtypeable-da0f0eec4a988d71.rmeta --extern unicase=/opt/rustwide/target/debug/deps/libunicase-22be0b3c1220bf89.rmeta --extern url=/opt/rustwide/target/debug/deps/liburl-b1ad55a490a79752.rmeta --cap-lints allow --cap-lints=warn` (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" "1b7f393e4f56ea42dfe297581d70dbb35c4d2758ceacb965b74f0639d5e95e34", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1b7f393e4f56ea42dfe297581d70dbb35c4d2758ceacb965b74f0639d5e95e34", kill_on_drop: false }`
[INFO] [stdout] 1b7f393e4f56ea42dfe297581d70dbb35c4d2758ceacb965b74f0639d5e95e34