[INFO] fetching crate roa-jsonrpc 0.5.0-alpha...
[INFO] checking roa-jsonrpc-0.5.0-alpha against master#f5f33ec0e0455eefa72fc5567eb1280a4d5ee206 for pr-83312
[INFO] extracting crate roa-jsonrpc 0.5.0-alpha into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate roa-jsonrpc 0.5.0-alpha on toolchain f5f33ec0e0455eefa72fc5567eb1280a4d5ee206
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f5f33ec0e0455eefa72fc5567eb1280a4d5ee206" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate roa-jsonrpc 0.5.0-alpha
[INFO] finished tweaking crates.io crate roa-jsonrpc 0.5.0-alpha
[INFO] tweaked toml for crates.io crate roa-jsonrpc 0.5.0-alpha written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f5f33ec0e0455eefa72fc5567eb1280a4d5ee206" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f5f33ec0e0455eefa72fc5567eb1280a4d5ee206" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:4f92631de1aa59f8320307485d3b3c869a5c90ab1d76ce2cffab9807b8c9a1fb" "/opt/rustwide/cargo-home/bin/cargo" "+f5f33ec0e0455eefa72fc5567eb1280a4d5ee206" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 43f4445f3cc5ace5918d16cb9fce3fcb052b61d42cc26e898d37f24abb3016e1
[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" "43f4445f3cc5ace5918d16cb9fce3fcb052b61d42cc26e898d37f24abb3016e1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "43f4445f3cc5ace5918d16cb9fce3fcb052b61d42cc26e898d37f24abb3016e1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "43f4445f3cc5ace5918d16cb9fce3fcb052b61d42cc26e898d37f24abb3016e1", kill_on_drop: false }`
[INFO] [stdout] 43f4445f3cc5ace5918d16cb9fce3fcb052b61d42cc26e898d37f24abb3016e1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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=forbid" "-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@sha256:4f92631de1aa59f8320307485d3b3c869a5c90ab1d76ce2cffab9807b8c9a1fb" "/opt/rustwide/cargo-home/bin/cargo" "+f5f33ec0e0455eefa72fc5567eb1280a4d5ee206" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2edab6c8a0e3976c0fe440c8a115369391490626a466f8fec77aa27ac5e64780
[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" "2edab6c8a0e3976c0fe440c8a115369391490626a466f8fec77aa27ac5e64780", kill_on_drop: false }`
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]     Checking futures-io v0.3.13
[INFO] [stderr]    Compiling typenum v1.13.0
[INFO] [stderr]    Compiling serde_derive v1.0.125
[INFO] [stderr]    Compiling libc v0.2.91
[INFO] [stderr]    Compiling serde_json v1.0.64
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]    Compiling generic-array v0.14.4
[INFO] [stderr]     Checking headers-core v0.2.0
[INFO] [stderr]     Checking tokio v0.2.25
[INFO] [stderr]    Compiling syn v1.0.64
[INFO] [stderr]     Checking fxhash v0.2.1
[INFO] [stderr]     Checking extensions v0.2.0
[INFO] [stderr]     Checking tracing v0.1.25
[INFO] [stderr]     Checking want v0.3.0
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]     Checking tokio-util v0.3.1
[INFO] [stderr]     Checking block-buffer v0.9.0
[INFO] [stderr]     Checking digest v0.9.0
[INFO] [stderr]     Checking sha-1 v0.9.4
[INFO] [stderr]     Checking headers v0.3.4
[INFO] [stderr]    Compiling futures-macro v0.3.13
[INFO] [stderr]    Compiling pin-project-internal v1.0.5
[INFO] [stderr]    Compiling async-trait v0.1.48
[INFO] [stderr]     Checking futures-util v0.3.13
[INFO] [stderr]     Checking pin-project v1.0.5
[INFO] [stderr]     Checking tracing-futures v0.2.5
[INFO] [stderr]     Checking futures-executor v0.3.13
[INFO] [stderr]     Checking h2 v0.2.7
[INFO] [stderr]     Checking futures v0.3.13
[INFO] [stderr]     Checking serde v1.0.125
[INFO] [stderr]     Checking erased-serde v0.3.13
[INFO] [stderr]     Checking hyper v0.13.10
[INFO] [stderr]     Checking jsonrpc-v2 v0.5.3
[INFO] [stderr]     Checking roa-core v0.5.0
[INFO] [stderr]     Checking roa v0.5.2
[INFO] [stderr]     Checking roa-jsonrpc v0.5.0-alpha (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 03s
[INFO] running `Command { std: "docker" "inspect" "2edab6c8a0e3976c0fe440c8a115369391490626a466f8fec77aa27ac5e64780", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2edab6c8a0e3976c0fe440c8a115369391490626a466f8fec77aa27ac5e64780", kill_on_drop: false }`
[INFO] [stdout] 2edab6c8a0e3976c0fe440c8a115369391490626a466f8fec77aa27ac5e64780