[INFO] fetching crate jwks-client 0.2.0...
[INFO] testing jwks-client-0.2.0 against 1.49.0 for beta-1.50-1
[INFO] extracting crate jwks-client 0.2.0 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate jwks-client 0.2.0 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 jwks-client 0.2.0
[INFO] finished tweaking crates.io crate jwks-client 0.2.0
[INFO] tweaked toml for crates.io crate jwks-client 0.2.0 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate crates.io crate jwks-client 0.2.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 3424764e3acfacf79d3e133751d46b73fcec473240e780c9a51317d37177cf97
[INFO] running `Command { std: "docker" "start" "-a" "3424764e3acfacf79d3e133751d46b73fcec473240e780c9a51317d37177cf97", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3424764e3acfacf79d3e133751d46b73fcec473240e780c9a51317d37177cf97", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3424764e3acfacf79d3e133751d46b73fcec473240e780c9a51317d37177cf97", kill_on_drop: false }`
[INFO] [stdout] 3424764e3acfacf79d3e133751d46b73fcec473240e780c9a51317d37177cf97
[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] 645fbabbdcec10967a330cff0ac729c95f168290df6e67dd5f7d5c464502d2b0
[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" "645fbabbdcec10967a330cff0ac729c95f168290df6e67dd5f7d5c464502d2b0", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.5
[INFO] [stderr]    Compiling cc v1.0.45
[INFO] [stderr]    Compiling pkg-config v0.3.16
[INFO] [stderr]    Compiling serde v1.0.101
[INFO] [stderr]    Compiling indexmap v1.2.0
[INFO] [stderr]    Compiling mime v0.3.14
[INFO] [stderr]    Compiling unicase v2.5.1
[INFO] [stderr]    Compiling proc-macro2 v1.0.3
[INFO] [stderr]    Compiling iovec v0.1.4
[INFO] [stderr]    Compiling want v0.3.0
[INFO] [stderr]    Compiling idna v0.2.0
[INFO] [stderr]    Compiling encoding_rs v0.8.20
[INFO] [stderr]    Compiling mio v0.6.21
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]    Compiling url v2.1.0
[INFO] [stderr]    Compiling openssl-sys v0.9.49
[INFO] [stderr]    Compiling ring v0.16.9
[INFO] [stderr]    Compiling mime_guess v2.0.1
[INFO] [stderr]    Compiling openssl v0.10.24
[INFO] [stderr]    Compiling native-tls v0.2.3
[INFO] [stderr]    Compiling tokio-macros v0.2.3
[INFO] [stderr]    Compiling serde_derive v1.0.101
[INFO] [stderr]    Compiling pin-project-internal v0.4.6
[INFO] [stderr]    Compiling tokio v0.2.9
[INFO] [stderr]    Compiling pin-project v0.4.6
[INFO] [stderr]    Compiling tokio-util v0.2.0
[INFO] [stderr]    Compiling tokio-tls v0.3.0
[INFO] [stderr]    Compiling h2 v0.2.1
[INFO] [stderr]    Compiling hyper v0.13.1
[INFO] [stderr]    Compiling hyper-tls v0.4.1
[INFO] [stderr]    Compiling serde_urlencoded v0.6.1
[INFO] [stderr]    Compiling serde_json v1.0.40
[INFO] [stderr]    Compiling reqwest v0.10.1
[INFO] [stderr]    Compiling jwks-client v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 20s
[INFO] running `Command { std: "docker" "inspect" "645fbabbdcec10967a330cff0ac729c95f168290df6e67dd5f7d5c464502d2b0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "645fbabbdcec10967a330cff0ac729c95f168290df6e67dd5f7d5c464502d2b0", kill_on_drop: false }`
[INFO] [stdout] 645fbabbdcec10967a330cff0ac729c95f168290df6e67dd5f7d5c464502d2b0
[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" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 95425db0b9d72240e16d85b64a917c7d0d74e2c488ed404d7861a8698c9d2794
[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" "95425db0b9d72240e16d85b64a917c7d0d74e2c488ed404d7861a8698c9d2794", kill_on_drop: false }`
[INFO] [stderr]    Compiling tokio-test v0.2.0
[INFO] [stderr]    Compiling jwks-client v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr] error: could not compile `jwks-client`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name jwks_client --edition=2018 src/lib.rs --error-format=json --json=diagnostic-rendered-ansi --emit=dep-info,link -C embed-bitcode=no -C debuginfo=2 --test -C metadata=93eba37a0d0ac249 -C extra-filename=-93eba37a0d0ac249 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern base64=/opt/rustwide/target/debug/deps/libbase64-bd76cc5e92a459fa.rlib --extern regex=/opt/rustwide/target/debug/deps/libregex-b97095dcb68cc2e6.rlib --extern reqwest=/opt/rustwide/target/debug/deps/libreqwest-8cee18afadb7d875.rlib --extern ring=/opt/rustwide/target/debug/deps/libring-665e63aaad37b253.rlib --extern serde=/opt/rustwide/target/debug/deps/libserde-1fb5593b02e6238f.rlib --extern serde_json=/opt/rustwide/target/debug/deps/libserde_json-de630badc16d7359.rlib --extern tokio=/opt/rustwide/target/debug/deps/libtokio-dbe474fd4db3400c.rlib --extern tokio_test=/opt/rustwide/target/debug/deps/libtokio_test-7865cfb7cde78038.rlib --cap-lints=warn -L native=/opt/rustwide/target/debug/build/ring-a3ba59baa260929a/out` (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" "95425db0b9d72240e16d85b64a917c7d0d74e2c488ed404d7861a8698c9d2794", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "95425db0b9d72240e16d85b64a917c7d0d74e2c488ed404d7861a8698c9d2794", kill_on_drop: false }`
[INFO] [stdout] 95425db0b9d72240e16d85b64a917c7d0d74e2c488ed404d7861a8698c9d2794