[INFO] fetching crate nu_plugin_start 0.16.0...
[INFO] checking nu_plugin_start-0.16.0 against master#e22b61bff0bdd08be7665607cb7be3748c8a35d2 for pr-74627
[INFO] extracting crate nu_plugin_start 0.16.0 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate nu_plugin_start 0.16.0 on toolchain e22b61bff0bdd08be7665607cb7be3748c8a35d2
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+e22b61bff0bdd08be7665607cb7be3748c8a35d2" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate nu_plugin_start 0.16.0
[INFO] finished tweaking crates.io crate nu_plugin_start 0.16.0
[INFO] tweaked toml for crates.io crate nu_plugin_start 0.16.0 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate crates.io crate nu_plugin_start 0.16.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+e22b61bff0bdd08be7665607cb7be3748c8a35d2" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+e22b61bff0bdd08be7665607cb7be3748c8a35d2" "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] 3550e7ad2373d2a7c5c9238e6e3c2987b85a5aada518bcf1585ed9f6db7c8e65
[INFO] running `Command { std: "docker" "start" "-a" "3550e7ad2373d2a7c5c9238e6e3c2987b85a5aada518bcf1585ed9f6db7c8e65", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3550e7ad2373d2a7c5c9238e6e3c2987b85a5aada518bcf1585ed9f6db7c8e65", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3550e7ad2373d2a7c5c9238e6e3c2987b85a5aada518bcf1585ed9f6db7c8e65", kill_on_drop: false }`
[INFO] [stdout] 3550e7ad2373d2a7c5c9238e6e3c2987b85a5aada518bcf1585ed9f6db7c8e65
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+e22b61bff0bdd08be7665607cb7be3748c8a35d2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b4182ffee4cd544bcdf6ac7f80de8fc6383e799d084d60ba62b8d6c0a0cf0c1f
[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" "b4182ffee4cd544bcdf6ac7f80de8fc6383e799d084d60ba62b8d6c0a0cf0c1f", kill_on_drop: false }`
[INFO] [stderr]    Compiling unicode-width v0.1.8
[INFO] [stderr]    Compiling termcolor v1.1.0
[INFO] [stderr]    Compiling typed-arena v1.7.0
[INFO] [stderr]    Compiling linked-hash-map v0.5.3
[INFO] [stderr]    Compiling dtoa v0.4.6
[INFO] [stderr]     Checking matches v0.1.8
[INFO] [stderr]     Checking tinyvec v0.3.3
[INFO] [stderr]    Compiling ansi_term v0.12.1
[INFO] [stderr]    Compiling glob v0.3.0
[INFO] [stderr]     Checking percent-encoding v2.1.0
[INFO] [stderr]     Checking open v1.4.0
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]     Checking unicode-bidi v0.3.4
[INFO] [stderr]    Compiling nu-source v0.16.0
[INFO] [stderr]    Compiling nu-protocol v0.16.0
[INFO] [stderr] error: failed to run custom build command for `nu-protocol v0.16.0`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/build/nu-protocol-c692aec673160c12/build-script-build` (exit code: 1)
[INFO] [stderr]   --- stderr
[INFO] [stderr]   Error: Error("EOF while parsing a value", line: 1, column: 0)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "b4182ffee4cd544bcdf6ac7f80de8fc6383e799d084d60ba62b8d6c0a0cf0c1f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b4182ffee4cd544bcdf6ac7f80de8fc6383e799d084d60ba62b8d6c0a0cf0c1f", kill_on_drop: false }`
[INFO] [stdout] b4182ffee4cd544bcdf6ac7f80de8fc6383e799d084d60ba62b8d6c0a0cf0c1f