[INFO] fetching crate nature_integrate_test_executor 1.0.0...
[INFO] testing nature_integrate_test_executor-1.0.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate nature_integrate_test_executor 1.0.0 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate nature_integrate_test_executor 1.0.0 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 nature_integrate_test_executor 1.0.0
[INFO] finished tweaking crates.io crate nature_integrate_test_executor 1.0.0
[INFO] tweaked toml for crates.io crate nature_integrate_test_executor 1.0.0 written to /workspace/builds/worker-12/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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] e720da9a57128865d4a667970beb1fe1fd924dbcb1a17b0138d8904a62a96d93
[INFO] running `Command { std: "docker" "start" "-a" "e720da9a57128865d4a667970beb1fe1fd924dbcb1a17b0138d8904a62a96d93", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e720da9a57128865d4a667970beb1fe1fd924dbcb1a17b0138d8904a62a96d93", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e720da9a57128865d4a667970beb1fe1fd924dbcb1a17b0138d8904a62a96d93", kill_on_drop: false }`
[INFO] [stdout] e720da9a57128865d4a667970beb1fe1fd924dbcb1a17b0138d8904a62a96d93
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] ed379262a16a9d9a93fa8e9d50933e338aaeee7c784aabc4ca4bdb94f90681fb
[INFO] running `Command { std: "docker" "start" "-a" "ed379262a16a9d9a93fa8e9d50933e338aaeee7c784aabc4ca4bdb94f90681fb", kill_on_drop: false }`
[INFO] [stderr]    Compiling futures-channel v0.3.17
[INFO] [stderr]    Compiling const_fn v0.4.8
[INFO] [stderr]    Compiling copyless v0.1.5
[INFO] [stderr]    Compiling serde_json v1.0.67
[INFO] [stderr]    Compiling arrayvec v0.5.2
[INFO] [stderr]    Compiling lexical-core v0.7.6
[INFO] [stderr]    Compiling httpdate v0.3.2
[INFO] [stderr]    Compiling sha1 v0.6.0
[INFO] [stderr]    Compiling mio-named-pipes v0.1.7
[INFO] [stderr]    Compiling dotenv v0.15.0
[INFO] [stderr]    Compiling lru_time_cache v0.11.11
[INFO] [stderr]    Compiling futures-util v0.3.17
[INFO] [stderr]    Compiling num-bigint v0.2.6
[INFO] [stderr]    Compiling standback v0.2.17
[INFO] [stderr]    Compiling time v0.2.27
[INFO] [stderr]    Compiling brotli-sys v0.3.2
[INFO] [stderr]    Compiling cookie v0.14.4
[INFO] [stderr]    Compiling bytestring v1.0.0
[INFO] [stderr]    Compiling itertools v0.9.0
[INFO] [stderr]    Compiling http-body v0.3.1
[INFO] [stderr]    Compiling iovec v0.1.4
[INFO] [stderr]    Compiling net2 v0.2.37
[INFO] [stderr]    Compiling signal-hook-registry v1.4.0
[INFO] [stderr]    Compiling tracing v0.1.26
[INFO] [stderr]    Compiling socket2 v0.3.19
[INFO] [stderr]    Compiling time v0.1.43
[INFO] [stderr]    Compiling want v0.3.0
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling openssl-sys v0.9.66
[INFO] [stderr]    Compiling threadpool v1.8.1
[INFO] [stderr]    Compiling backtrace v0.3.61
[INFO] [stderr]    Compiling mime_guess v2.0.3
[INFO] [stderr]    Compiling tokio-macros v0.2.6
[INFO] [stderr]    Compiling pin-project-internal v0.4.28
[INFO] [stderr]    Compiling derive_more v0.99.16
[INFO] [stderr]    Compiling actix-macros v0.1.3
[INFO] [stderr]    Compiling enum-as-inner v0.3.3
[INFO] [stderr]    Compiling actix-web-codegen v0.4.0
[INFO] [stderr]    Compiling sha2 v0.8.2
[INFO] [stderr]    Compiling env_logger v0.7.1
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]    Compiling serde_urlencoded v0.7.0
[INFO] [stderr]    Compiling chrono v0.4.19
[INFO] [stderr]    Compiling actix-router v0.2.7
[INFO] [stderr]    Compiling tracing-futures v0.2.5
[INFO] [stderr]    Compiling twox-hash v1.6.1
[INFO] [stderr]    Compiling rust_decimal v1.15.0
[INFO] [stderr]    Compiling mio v0.6.23
[INFO] [stderr]    Compiling openssl v0.10.36
[INFO] [stderr]    Compiling time-macros-impl v0.1.2
[INFO] [stderr]    Compiling bigdecimal v0.1.2
[INFO] [stderr] error: could not compile `pin-project-internal`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name pin_project_internal --edition=2018 /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/pin-project-internal-0.4.28/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 -C metadata=d83b84b007b93a19 -C extra-filename=-d83b84b007b93a19 --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 deprecated_proc_macro` (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" "ed379262a16a9d9a93fa8e9d50933e338aaeee7c784aabc4ca4bdb94f90681fb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ed379262a16a9d9a93fa8e9d50933e338aaeee7c784aabc4ca4bdb94f90681fb", kill_on_drop: false }`
[INFO] [stdout] ed379262a16a9d9a93fa8e9d50933e338aaeee7c784aabc4ca4bdb94f90681fb