[INFO] fetching crate nu_plugin_start 0.16.0...
[INFO] checking nu_plugin_start-0.16.0 against master#1557fb031b272b4c5bfcc7de5df7eddc7b36a584 for pr-73166
[INFO] extracting crate nu_plugin_start 0.16.0 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate nu_plugin_start 0.16.0 on toolchain 1557fb031b272b4c5bfcc7de5df7eddc7b36a584
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1557fb031b272b4c5bfcc7de5df7eddc7b36a584" "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-2/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" "+1557fb031b272b4c5bfcc7de5df7eddc7b36a584" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+1557fb031b272b4c5bfcc7de5df7eddc7b36a584" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] aa8a3071fea9eed68e74bf1f2118943c695943013b68e38d62cd310e5bbf3d69
[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" "aa8a3071fea9eed68e74bf1f2118943c695943013b68e38d62cd310e5bbf3d69", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "aa8a3071fea9eed68e74bf1f2118943c695943013b68e38d62cd310e5bbf3d69", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aa8a3071fea9eed68e74bf1f2118943c695943013b68e38d62cd310e5bbf3d69", kill_on_drop: false }`
[INFO] [stdout] aa8a3071fea9eed68e74bf1f2118943c695943013b68e38d62cd310e5bbf3d69
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+1557fb031b272b4c5bfcc7de5df7eddc7b36a584" "check" "--frozen" "--all" "--all-targets" "--message-format=json", 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] dbc89dc15944139f50bc92fadb47d707b280c0b35e9cc30f9cbbf8210821ed1c
[INFO] running `Command { std: "docker" "start" "-a" "dbc89dc15944139f50bc92fadb47d707b280c0b35e9cc30f9cbbf8210821ed1c", kill_on_drop: false }`
[INFO] [stderr]    Compiling typed-arena v1.7.0
[INFO] [stderr]    Compiling linked-hash-map v0.5.3
[INFO] [stderr]    Compiling ansi_term v0.12.1
[INFO] [stderr]     Checking open v1.4.0
[INFO] [stderr]     Checking idna v0.2.0
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling codespan-reporting v0.9.5
[INFO] [stderr]    Compiling nu-source v0.16.0
[INFO] [stderr]    Compiling nu-errors v0.16.0
[INFO] [stderr]    Compiling nu-protocol v0.16.0
[INFO] [stderr]    Compiling nu-plugin v0.16.0
[INFO] [stderr]    Compiling nu-value-ext v0.16.0
[INFO] [stderr] error: failed to run custom build command for `nu-errors v0.16.0`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/build/nu-errors-801ed1fedeb5a7f3/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 `Command { std: "docker" "inspect" "dbc89dc15944139f50bc92fadb47d707b280c0b35e9cc30f9cbbf8210821ed1c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dbc89dc15944139f50bc92fadb47d707b280c0b35e9cc30f9cbbf8210821ed1c", kill_on_drop: false }`
[INFO] [stdout] dbc89dc15944139f50bc92fadb47d707b280c0b35e9cc30f9cbbf8210821ed1c