[INFO] fetching crate nu_plugin_average 0.14.0...
[INFO] checking nu_plugin_average-0.14.0 against master#6526e5c772f2da07db745c94ca6bb0a591a39ba4 for pr-80920
[INFO] extracting crate nu_plugin_average 0.14.0 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate nu_plugin_average 0.14.0 on toolchain 6526e5c772f2da07db745c94ca6bb0a591a39ba4
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6526e5c772f2da07db745c94ca6bb0a591a39ba4" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate nu_plugin_average 0.14.0
[INFO] finished tweaking crates.io crate nu_plugin_average 0.14.0
[INFO] tweaked toml for crates.io crate nu_plugin_average 0.14.0 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate crates.io crate nu_plugin_average 0.14.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6526e5c772f2da07db745c94ca6bb0a591a39ba4" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+6526e5c772f2da07db745c94ca6bb0a591a39ba4" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d6c1846737ed28ca53cca25e88273e546f361c6f3a7c677ba7ccbe8f6d0ef27d
[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" "d6c1846737ed28ca53cca25e88273e546f361c6f3a7c677ba7ccbe8f6d0ef27d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d6c1846737ed28ca53cca25e88273e546f361c6f3a7c677ba7ccbe8f6d0ef27d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d6c1846737ed28ca53cca25e88273e546f361c6f3a7c677ba7ccbe8f6d0ef27d", kill_on_drop: false }`
[INFO] [stdout] d6c1846737ed28ca53cca25e88273e546f361c6f3a7c677ba7ccbe8f6d0ef27d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+6526e5c772f2da07db745c94ca6bb0a591a39ba4" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b1287f58e1c7c600caeafd7aef6c9e8b318a8c7a5cf6b6cf3271b9f4f490a073
[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" "b1287f58e1c7c600caeafd7aef6c9e8b318a8c7a5cf6b6cf3271b9f4f490a073", kill_on_drop: false }`
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking linked-hash-map v0.5.3
[INFO] [stderr]     Checking typed-arena v1.7.0
[INFO] [stderr]     Checking glob v0.3.0
[INFO] [stderr]     Checking ansi_term v0.12.1
[INFO] [stderr]    Compiling nu_plugin_average v0.14.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling nu-source v0.14.0
[INFO] [stderr]    Compiling nu-errors v0.14.0
[INFO] [stderr]    Compiling nu-protocol v0.14.0
[INFO] [stderr]    Compiling nu-value-ext v0.14.0
[INFO] [stderr]    Compiling nu-plugin v0.14.0
[INFO] [stderr] error: failed to run custom build command for `nu-plugin v0.14.0`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/build/nu-plugin-84971d15848c1654/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" "b1287f58e1c7c600caeafd7aef6c9e8b318a8c7a5cf6b6cf3271b9f4f490a073", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b1287f58e1c7c600caeafd7aef6c9e8b318a8c7a5cf6b6cf3271b9f4f490a073", kill_on_drop: false }`
[INFO] [stdout] b1287f58e1c7c600caeafd7aef6c9e8b318a8c7a5cf6b6cf3271b9f4f490a073