[INFO] fetching crate nu_plugin_post 0.12.0...
[INFO] testing nu_plugin_post-0.12.0 against master#28742a1146f10a4f09369baad027a464acb7a766 for pr-71274
[INFO] extracting crate nu_plugin_post 0.12.0 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate nu_plugin_post 0.12.0 on toolchain 28742a1146f10a4f09369baad027a464acb7a766
[INFO] running `"/workspace/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate nu_plugin_post 0.12.0
[INFO] finished tweaking crates.io crate nu_plugin_post 0.12.0
[INFO] tweaked toml for crates.io crate nu_plugin_post 0.12.0 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate crates.io crate nu_plugin_post 0.12.0 already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "/opt/rustwide/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "build" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 8cb51a32384e8a8d68e5fd0d3a34ec5c3c4275c449501cb71fe1036cf80fb675
[INFO] running `"docker" "start" "-a" "8cb51a32384e8a8d68e5fd0d3a34ec5c3c4275c449501cb71fe1036cf80fb675"`
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling futures-core-preview v0.3.0-alpha.19
[INFO] [stderr]    Compiling futures-sink-preview v0.3.0-alpha.19
[INFO] [stderr]    Compiling futures-io-preview v0.3.0-alpha.19
[INFO] [stderr]    Compiling curl v0.4.28
[INFO] [stderr]    Compiling isahc v0.7.6
[INFO] [stderr]    Compiling mime v0.3.16
[INFO] [stderr]    Compiling base64 v0.11.0
[INFO] [stderr]    Compiling crossbeam-utils v0.6.6
[INFO] [stderr]    Compiling libnghttp2-sys v0.1.3
[INFO] [stderr]    Compiling unicase v2.6.0
[INFO] [stderr]    Compiling openssl-sys v0.9.54
[INFO] [stderr]    Compiling libz-sys v1.0.25
[INFO] [stderr]    Compiling curl-sys v0.4.30+curl-7.69.1
[INFO] [stderr]    Compiling futures-channel-preview v0.3.0-alpha.19
[INFO] [stderr]    Compiling socket2 v0.3.11
[INFO] [stderr]    Compiling crossbeam-channel v0.3.9
[INFO] [stderr]    Compiling bytes v0.4.12
[INFO] [stderr]    Compiling sluice v0.4.2
[INFO] [stderr]    Compiling serde-hjson v0.8.2
[INFO] [stderr]    Compiling serde_json v1.0.50
[INFO] [stderr]    Compiling serde_urlencoded v0.6.1
[INFO] [stderr]    Compiling render-tree v0.1.1
[INFO] [stderr]    Compiling env_logger v0.6.2
[INFO] [stderr]    Compiling mime_guess v2.0.3
[INFO] [stderr]    Compiling tokio-io v0.1.13
[INFO] [stderr]    Compiling http v0.1.21
[INFO] [stderr]    Compiling pretty_env_logger v0.3.1
[INFO] [stderr]    Compiling language-reporting v0.4.0
[INFO] [stderr]    Compiling futures-util-preview v0.3.0-alpha.19
[INFO] [stderr]    Compiling futures-util v0.3.4
[INFO] [stderr]    Compiling nu-build v0.12.0
[INFO] [stderr]    Compiling config v0.9.3
[INFO] [stderr]    Compiling ptree v0.2.1
[INFO] [stderr]    Compiling nu-source v0.12.0
[INFO] [stderr]    Compiling nu-errors v0.12.0
[INFO] [stderr]    Compiling nu-protocol v0.12.0
[INFO] [stderr]    Compiling nu-parser v0.12.0
[INFO] [stderr]    Compiling nu-value-ext v0.12.0
[INFO] [stderr]    Compiling nu-plugin v0.12.0
[INFO] [stderr]    Compiling nu_plugin_post v0.12.0 (/opt/rustwide/workdir)
[INFO] [stderr] error: failed to run custom build command for `nu-errors v0.12.0`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/build/nu-errors-b8a697bc131d367d/build-script-build` (exit code: 1)
[INFO] [stderr] --- stderr
[INFO] [stderr] Error: Error("EOF while parsing a value", line: 1, column: 0)
[INFO] [stderr] 
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: failed to run custom build command for `nu-source v0.12.0`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/build/nu-source-53afd5e08900b423/build-script-build` (exit code: 1)
[INFO] [stderr] --- stderr
[INFO] [stderr] Error: Error("EOF while parsing a value", line: 1, column: 0)
[INFO] [stderr] 
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "8cb51a32384e8a8d68e5fd0d3a34ec5c3c4275c449501cb71fe1036cf80fb675"`
[INFO] running `"docker" "rm" "-f" "8cb51a32384e8a8d68e5fd0d3a34ec5c3c4275c449501cb71fe1036cf80fb675"`
[INFO] [stdout] 8cb51a32384e8a8d68e5fd0d3a34ec5c3c4275c449501cb71fe1036cf80fb675