[INFO] fetching crate nu_plugin_str 0.14.0...
[INFO] documenting nu_plugin_str-0.14.0 against beta-2020-08-29 for beta-1.47-rustdoc-1
[INFO] extracting crate nu_plugin_str 0.14.0 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate nu_plugin_str 0.14.0 on toolchain beta-2020-08-29
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate nu_plugin_str 0.14.0
[INFO] finished tweaking crates.io crate nu_plugin_str 0.14.0
[INFO] tweaked toml for crates.io crate nu_plugin_str 0.14.0 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate crates.io crate nu_plugin_str 0.14.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded inventory-impl v0.1.6
[INFO] [stderr]   Downloaded serde_bytes v0.11.4
[INFO] [stderr]   Downloaded getset v0.1.0
[INFO] [stderr]   Downloaded erased-serde v0.3.11
[INFO] [stderr]   Downloaded serde_derive v1.0.110
[INFO] [stderr]   Downloaded proc-macro2 v1.0.12
[INFO] [stderr]   Downloaded inventory v0.1.6
[INFO] [stderr]   Downloaded syn v1.0.20
[INFO] [stderr]   Downloaded nu-source v0.14.0
[INFO] [stderr]   Downloaded nu-value-ext v0.14.0
[INFO] [stderr]   Downloaded proc-macro-error-attr v0.4.12
[INFO] [stderr]   Downloaded proc-macro-error v0.4.12
[INFO] [stderr]   Downloaded nu-parser v0.14.0
[INFO] [stderr]   Downloaded nu-plugin v0.14.0
[INFO] [stderr]   Downloaded nu-protocol v0.14.0
[INFO] [stderr]   Downloaded ctor v0.1.14
[INFO] [stderr]   Downloaded nu-build v0.14.0
[INFO] [stderr]   Downloaded quote v1.0.4
[INFO] [stderr]   Downloaded nu-errors v0.14.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-08-29" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ee5f91250e2b1f0bdb2f5fa20e9778ce1c8d79bb1eb8a5b279177411d9513913
[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" "ee5f91250e2b1f0bdb2f5fa20e9778ce1c8d79bb1eb8a5b279177411d9513913", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ee5f91250e2b1f0bdb2f5fa20e9778ce1c8d79bb1eb8a5b279177411d9513913", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ee5f91250e2b1f0bdb2f5fa20e9778ce1c8d79bb1eb8a5b279177411d9513913", kill_on_drop: false }`
[INFO] [stdout] ee5f91250e2b1f0bdb2f5fa20e9778ce1c8d79bb1eb8a5b279177411d9513913
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "RUSTDOCFLAGS=--cap-lints=warn" "-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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-08-29" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] feff8c44bf85ec0332eddf2d11aeb8a0784535b59bfe169903afbc1a0b1acd1d
[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" "feff8c44bf85ec0332eddf2d11aeb8a0784535b59bfe169903afbc1a0b1acd1d", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.12
[INFO] [stderr]    Compiling syn v1.0.20
[INFO] [stderr]     Checking linked-hash-map v0.5.3
[INFO] [stderr]    Compiling inventory v0.1.6
[INFO] [stderr]     Checking query_interface v0.3.5
[INFO] [stderr]     Checking byte-unit v3.0.3
[INFO] [stderr]    Compiling num-bigint v0.2.6
[INFO] [stderr]    Compiling indexmap v1.3.2
[INFO] [stderr]    Compiling proc-macro-error-attr v0.4.12
[INFO] [stderr]    Compiling proc-macro-error v0.4.12
[INFO] [stderr]     Checking itertools v0.7.11
[INFO] [stderr]    Compiling ryu v1.0.4
[INFO] [stderr]     Checking pretty v0.5.2
[INFO] [stderr]     Checking dirs-sys v0.3.4
[INFO] [stderr]     Checking parking_lot_core v0.7.2
[INFO] [stderr]     Checking dirs v2.0.2
[INFO] [stderr]     Checking shellexpand v2.0.0
[INFO] [stderr]     Checking yaml-rust v0.4.3
[INFO] [stderr]     Checking parking_lot v0.10.2
[INFO] [stderr]     Checking render-tree v0.1.1
[INFO] [stderr]    Compiling quote v1.0.4
[INFO] [stderr]    Compiling syn-mid v0.5.0
[INFO] [stderr]    Compiling serde_derive v1.0.110
[INFO] [stderr]    Compiling derive-new v0.5.8
[INFO] [stderr]    Compiling inventory-impl v0.1.6
[INFO] [stderr]    Compiling ghost v0.1.1
[INFO] [stderr]    Compiling ctor v0.1.14
[INFO] [stderr]    Compiling typetag-impl v0.1.4
[INFO] [stderr]    Compiling getset v0.1.0
[INFO] [stderr]    Compiling serde v1.0.110
[INFO] [stderr]     Checking language-reporting v0.4.0
[INFO] [stderr]     Checking rust-stemmers v1.2.0
[INFO] [stderr]     Checking erased-serde v0.3.11
[INFO] [stderr]     Checking serde_json v1.0.53
[INFO] [stderr]     Checking serde_yaml v0.8.12
[INFO] [stderr]     Checking toml v0.5.6
[INFO] [stderr]     Checking serde_bytes v0.11.4
[INFO] [stderr]     Checking chrono v0.4.11
[INFO] [stderr]     Checking typetag v0.1.4
[INFO] [stderr]     Checking bigdecimal v0.1.2
[INFO] [stderr]     Checking natural v0.5.0
[INFO] [stderr]    Compiling nu-build v0.14.0
[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]    Compiling nu_plugin_str v0.14.0 (/opt/rustwide/workdir)
[INFO] [stderr] error: failed to run custom build command for `nu-protocol v0.14.0`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/build/nu-protocol-a3da0bc803962cce/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" "feff8c44bf85ec0332eddf2d11aeb8a0784535b59bfe169903afbc1a0b1acd1d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "feff8c44bf85ec0332eddf2d11aeb8a0784535b59bfe169903afbc1a0b1acd1d", kill_on_drop: false }`
[INFO] [stdout] feff8c44bf85ec0332eddf2d11aeb8a0784535b59bfe169903afbc1a0b1acd1d