[INFO] fetching crate nu-macros 0.12.0...
[INFO] checking nu-macros-0.12.0 against beta for pr-78714
[INFO] extracting crate nu-macros 0.12.0 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate nu-macros 0.12.0 on toolchain beta
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate nu-macros 0.12.0
[INFO] finished tweaking crates.io crate nu-macros 0.12.0
[INFO] tweaked toml for crates.io crate nu-macros 0.12.0 written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "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] 50c0a0f3908b94b01efb90027c21e159138145e4bd6d02a56a1a1eb623528b35
[INFO] running `Command { std: "docker" "start" "-a" "50c0a0f3908b94b01efb90027c21e159138145e4bd6d02a56a1a1eb623528b35", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "50c0a0f3908b94b01efb90027c21e159138145e4bd6d02a56a1a1eb623528b35", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "50c0a0f3908b94b01efb90027c21e159138145e4bd6d02a56a1a1eb623528b35", kill_on_drop: false }`
[INFO] [stdout] 50c0a0f3908b94b01efb90027c21e159138145e4bd6d02a56a1a1eb623528b35
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9cdcad643417677f2784c3db6b71ecc566a6d78976b3f6de9f61c9ca55c89757
[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" "9cdcad643417677f2784c3db6b71ecc566a6d78976b3f6de9f61c9ca55c89757", kill_on_drop: false }`
[INFO] [stderr]     Checking bytecount v0.3.2
[INFO] [stderr]    Compiling inventory v0.1.9
[INFO] [stderr]     Checking typed-arena v1.7.0
[INFO] [stderr]     Checking query_interface v0.3.5
[INFO] [stderr]     Checking natural v0.3.0
[INFO] [stderr]     Checking byte-unit v3.1.4
[INFO] [stderr]    Compiling num-bigint v0.2.6
[INFO] [stderr]    Compiling indexmap v1.6.0
[INFO] [stderr]     Checking render-tree v0.1.1
[INFO] [stderr]    Compiling nom-tracable-macros v0.4.1
[INFO] [stderr]    Compiling derive-new v0.5.8
[INFO] [stderr]    Compiling inventory-impl v0.1.9
[INFO] [stderr]    Compiling ghost v0.1.2
[INFO] [stderr]    Compiling ctor v0.1.16
[INFO] [stderr]    Compiling getset v0.0.9
[INFO] [stderr]    Compiling typetag-impl v0.1.6
[INFO] [stderr]     Checking serde v1.0.117
[INFO] [stderr]     Checking nom_locate v1.0.0
[INFO] [stderr]     Checking pretty v0.5.2
[INFO] [stderr]     Checking nom-tracable v0.4.1
[INFO] [stderr]     Checking language-reporting v0.4.0
[INFO] [stderr]     Checking serde_yaml v0.8.14
[INFO] [stderr]     Checking serde_json v1.0.59
[INFO] [stderr]     Checking toml v0.5.7
[INFO] [stderr]     Checking erased-serde v0.3.12
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking serde_bytes v0.11.5
[INFO] [stderr]     Checking typetag v0.1.6
[INFO] [stderr]     Checking bigdecimal v0.1.2
[INFO] [stderr]    Compiling nu-build v0.12.0
[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] 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-f05f0383129f3d29/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" "9cdcad643417677f2784c3db6b71ecc566a6d78976b3f6de9f61c9ca55c89757", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9cdcad643417677f2784c3db6b71ecc566a6d78976b3f6de9f61c9ca55c89757", kill_on_drop: false }`
[INFO] [stdout] 9cdcad643417677f2784c3db6b71ecc566a6d78976b3f6de9f61c9ca55c89757