[INFO] fetching crate pravega-client-config 0.2.0...
[INFO] testing pravega-client-config-0.2.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate pravega-client-config 0.2.0 into /workspace/builds/worker-74/source
[INFO] validating manifest of crates.io crate pravega-client-config 0.2.0 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 pravega-client-config 0.2.0
[INFO] finished tweaking crates.io crate pravega-client-config 0.2.0
[INFO] tweaked toml for crates.io crate pravega-client-config 0.2.0 written to /workspace/builds/worker-74/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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-74/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-74/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] c0f67b5a7007cdbee3d4856f9637379f6f19196bf33631a8d8c5de67ac74c2a7
[INFO] running `Command { std: "docker" "start" "-a" "c0f67b5a7007cdbee3d4856f9637379f6f19196bf33631a8d8c5de67ac74c2a7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c0f67b5a7007cdbee3d4856f9637379f6f19196bf33631a8d8c5de67ac74c2a7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c0f67b5a7007cdbee3d4856f9637379f6f19196bf33631a8d8c5de67ac74c2a7", kill_on_drop: false }`
[INFO] [stdout] c0f67b5a7007cdbee3d4856f9637379f6f19196bf33631a8d8c5de67ac74c2a7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-74/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-74/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] [stdout] 5befe8de2424b70adf0109610ca3fa527e46429f8546f49a72dc13156883fa48
[INFO] running `Command { std: "docker" "start" "-a" "5befe8de2424b70adf0109610ca3fa527e46429f8546f49a72dc13156883fa48", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling bytes v1.1.0
[INFO] [stderr]    Compiling serde v1.0.130
[INFO] [stderr]    Compiling futures-task v0.3.17
[INFO] [stderr]    Compiling openssl v0.10.36
[INFO] [stderr]    Compiling ident_case v1.0.1
[INFO] [stderr]    Compiling doc-comment v0.3.3
[INFO] [stderr]    Compiling strsim v0.9.3
[INFO] [stderr]    Compiling native-tls v0.2.8
[INFO] [stderr]    Compiling openssl-probe v0.1.4
[INFO] [stderr]    Compiling regex-syntax v0.6.25
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling derive_builder v0.9.0
[INFO] [stderr]    Compiling convert_case v0.4.0
[INFO] [stderr]    Compiling murmurhash3 v0.0.5
[INFO] [stderr]    Compiling uuid v0.8.2
[INFO] [stderr]    Compiling tracing-core v0.1.19
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling futures-util v0.3.17
[INFO] [stderr]    Compiling typenum v1.14.0
[INFO] [stderr]    Compiling im v15.0.0
[INFO] [stderr]    Compiling itertools v0.8.2
[INFO] [stderr]    Compiling sharded-slab v0.1.3
[INFO] [stderr]    Compiling thread_local v1.1.3
[INFO] [stderr]    Compiling tokio-macros v1.3.0
[INFO] [stderr]    Compiling parking_lot v0.11.2
[INFO] [stderr]    Compiling serde_derive v1.0.130
[INFO] [stderr]    Compiling tracing-attributes v0.1.15
[INFO] [stderr]    Compiling snafu-derive v0.6.10
[INFO] [stderr]    Compiling async-trait v0.1.51
[INFO] [stderr]    Compiling derive-new v0.5.9
[INFO] [stderr]    Compiling url v2.2.2
[INFO] [stderr]    Compiling getset v0.0.9
[INFO] [stderr]    Compiling darling_core v0.10.2
[INFO] [stderr]    Compiling derive_more v0.99.16
[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-1.0.130/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=d2987f93d4fe781a -C extra-filename=-d2987f93d4fe781a --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-06e97d6f0dfb172f.rlib --extern quote=/opt/rustwide/target/debug/deps/libquote-1b457121b46aa6b0.rlib --extern syn=/opt/rustwide/target/debug/deps/libsyn-a2653446fd8e335a.rlib --extern proc_macro --cap-lints allow --cap-lints=warn --cfg underscore_consts --cfg ptr_addr_of` (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" "5befe8de2424b70adf0109610ca3fa527e46429f8546f49a72dc13156883fa48", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5befe8de2424b70adf0109610ca3fa527e46429f8546f49a72dc13156883fa48", kill_on_drop: false }`
[INFO] [stdout] 5befe8de2424b70adf0109610ca3fa527e46429f8546f49a72dc13156883fa48