[INFO] crate nu-errors 0.17.0 is already in cache
[INFO] testing nu-errors-0.17.0 against beta-2020-07-24 for beta-1.46-1
[INFO] extracting crate nu-errors 0.17.0 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate nu-errors 0.17.0 on toolchain beta-2020-07-24
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate nu-errors 0.17.0
[INFO] finished tweaking crates.io crate nu-errors 0.17.0
[INFO] tweaked toml for crates.io crate nu-errors 0.17.0 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d330534bd4c0b4bbbae6931a4fca8e57516c8d1281420d8ffc73da33bd504497
[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" "d330534bd4c0b4bbbae6931a4fca8e57516c8d1281420d8ffc73da33bd504497", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d330534bd4c0b4bbbae6931a4fca8e57516c8d1281420d8ffc73da33bd504497", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d330534bd4c0b4bbbae6931a4fca8e57516c8d1281420d8ffc73da33bd504497", kill_on_drop: false }`
[INFO] [stdout] d330534bd4c0b4bbbae6931a4fca8e57516c8d1281420d8ffc73da33bd504497
[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=warn" "-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" "+beta-2020-07-24" "build" "--frozen" "--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] 39ade566b2c0dbbe2278e8a15f86d40d1bb1876ad7a168e5de6c99684c36311e
[INFO] running `Command { std: "docker" "start" "-a" "39ade566b2c0dbbe2278e8a15f86d40d1bb1876ad7a168e5de6c99684c36311e", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling derive-new v0.5.8
[INFO] [stderr]    Compiling serde v1.0.114
[INFO] [stderr]    Compiling getset v0.1.1
[INFO] [stderr]    Compiling toml v0.5.6
[INFO] [stderr]    Compiling serde_json v1.0.57
[INFO] [stderr]    Compiling num-bigint v0.2.6
[INFO] [stderr]    Compiling codespan-reporting v0.9.5
[INFO] [stderr]    Compiling serde_yaml v0.8.13
[INFO] [stderr]    Compiling bigdecimal v0.1.2
[INFO] [stderr]    Compiling nu-build v0.17.0
[INFO] [stderr]    Compiling nu-source v0.17.0
[INFO] [stderr]    Compiling nu-errors v0.17.0 (/opt/rustwide/workdir)
[INFO] [stderr] error: failed to run custom build command for `nu-source v0.17.0`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/build/nu-source-ab08b89a35490feb/build-script-build` (exit code: 1)
[INFO] [stderr]   --- stderr
[INFO] [stderr]   Error: Error("EOF while parsing a value", line: 1, column: 0)
[INFO] running `Command { std: "docker" "inspect" "39ade566b2c0dbbe2278e8a15f86d40d1bb1876ad7a168e5de6c99684c36311e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "39ade566b2c0dbbe2278e8a15f86d40d1bb1876ad7a168e5de6c99684c36311e", kill_on_drop: false }`
[INFO] [stdout] 39ade566b2c0dbbe2278e8a15f86d40d1bb1876ad7a168e5de6c99684c36311e