[INFO] crate nu_plugin_start 0.16.0 is already in cache
[INFO] testing nu_plugin_start-0.16.0 against master#8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e for pr-74409
[INFO] extracting crate nu_plugin_start 0.16.0 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate nu_plugin_start 0.16.0 on toolchain 8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "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-1/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" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "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] 9698504585e396b8145314dd432ed82aecf9aed06d50bc022b10be4f27fe6aab
[INFO] running `Command { std: "docker" "start" "-a" "9698504585e396b8145314dd432ed82aecf9aed06d50bc022b10be4f27fe6aab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9698504585e396b8145314dd432ed82aecf9aed06d50bc022b10be4f27fe6aab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9698504585e396b8145314dd432ed82aecf9aed06d50bc022b10be4f27fe6aab", kill_on_drop: false }`
[INFO] [stdout] 9698504585e396b8145314dd432ed82aecf9aed06d50bc022b10be4f27fe6aab
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b64256dbf06c89b3e8b0776286d524342a428f433919dcf79f06cd15a368f9e7
[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" "b64256dbf06c89b3e8b0776286d524342a428f433919dcf79f06cd15a368f9e7", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.18
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling itoa v0.4.6
[INFO] [stderr]    Compiling version_check v0.9.2
[INFO] [stderr]    Compiling libc v0.2.71
[INFO] [stderr]    Compiling typed-arena v1.7.0
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling termcolor v1.1.0
[INFO] [stderr]    Compiling unicode-width v0.1.8
[INFO] [stderr]    Compiling linked-hash-map v0.5.3
[INFO] [stderr]    Compiling dtoa v0.4.6
[INFO] [stderr]    Compiling inventory v0.1.7
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling scopeguard v1.1.0
[INFO] [stderr]    Compiling either v1.5.3
[INFO] [stderr]    Compiling instant v0.1.5
[INFO] [stderr]    Compiling query_interface v0.3.5
[INFO] [stderr]    Compiling byte-unit v3.1.4
[INFO] [stderr]    Compiling tinyvec v0.3.3
[INFO] [stderr]    Compiling percent-encoding v2.1.0
[INFO] [stderr]    Compiling open v1.4.0
[INFO] [stderr]    Compiling lock_api v0.4.0
[INFO] [stderr]    Compiling pretty v0.5.2
[INFO] [stderr]    Compiling yaml-rust v0.4.4
[INFO] [stderr]    Compiling itertools v0.9.0
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.3
[INFO] [stderr]    Compiling proc-macro-error v1.0.3
[INFO] [stderr]    Compiling unicode-normalization v0.1.13
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]    Compiling num-bigint v0.2.6
[INFO] [stderr]    Compiling indexmap v1.4.0
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling dirs-sys v0.3.5
[INFO] [stderr]    Compiling time v0.1.43
[INFO] [stderr]    Compiling parking_lot_core v0.8.0
[INFO] [stderr]    Compiling syn v1.0.33
[INFO] [stderr]    Compiling dirs v2.0.2
[INFO] [stderr]    Compiling parking_lot v0.11.0
[INFO] [stderr]    Compiling shellexpand v2.0.0
[INFO] [stderr]    Compiling idna v0.2.0
[INFO] [stderr]    Compiling url v2.1.1
[INFO] [stderr]    Compiling syn-mid v0.5.0
[INFO] [stderr]    Compiling serde_derive v1.0.114
[INFO] [stderr]    Compiling derive-new v0.5.8
[INFO] [stderr]    Compiling inventory-impl v0.1.7
[INFO] [stderr]    Compiling ctor v0.1.15
[INFO] [stderr]    Compiling ghost v0.1.2
[INFO] [stderr]    Compiling typetag-impl v0.1.5
[INFO] [stderr]    Compiling getset v0.1.1
[INFO] [stderr]    Compiling serde v1.0.114
[INFO] [stderr]    Compiling toml v0.5.6
[INFO] [stderr]    Compiling serde_json v1.0.56
[INFO] [stderr]    Compiling codespan-reporting v0.9.5
[INFO] [stderr]    Compiling serde_yaml v0.8.13
[INFO] [stderr]    Compiling erased-serde v0.3.12
[INFO] [stderr]    Compiling rust-stemmers v1.2.0
[INFO] [stderr]    Compiling chrono v0.4.11
[INFO] [stderr]    Compiling serde_bytes v0.11.5
[INFO] [stderr]    Compiling typetag v0.1.5
[INFO] [stderr]    Compiling nu-build v0.16.0
[INFO] [stderr]    Compiling bigdecimal v0.1.2
[INFO] [stderr]    Compiling natural v0.5.0
[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-value-ext v0.16.0
[INFO] [stderr]    Compiling nu-plugin 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-585ab6837bc28f47/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" "b64256dbf06c89b3e8b0776286d524342a428f433919dcf79f06cd15a368f9e7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b64256dbf06c89b3e8b0776286d524342a428f433919dcf79f06cd15a368f9e7", kill_on_drop: false }`
[INFO] [stdout] b64256dbf06c89b3e8b0776286d524342a428f433919dcf79f06cd15a368f9e7