[INFO] fetching crate nu-macros 0.12.0...
[INFO] checking nu-macros-0.12.0 against master#a836d9b6413d9d593be6c09463ff8c4c70e56599 for pr-84037
[INFO] extracting crate nu-macros 0.12.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate nu-macros 0.12.0 on toolchain a836d9b6413d9d593be6c09463ff8c4c70e56599
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a836d9b6413d9d593be6c09463ff8c4c70e56599" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", 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-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a836d9b6413d9d593be6c09463ff8c4c70e56599" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a836d9b6413d9d593be6c09463ff8c4c70e56599" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+a836d9b6413d9d593be6c09463ff8c4c70e56599" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 417cbd41ba175220ce5aa9584f53df1dcba4230230f1eb4ccd70415577d1a7fc
[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" "417cbd41ba175220ce5aa9584f53df1dcba4230230f1eb4ccd70415577d1a7fc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "417cbd41ba175220ce5aa9584f53df1dcba4230230f1eb4ccd70415577d1a7fc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "417cbd41ba175220ce5aa9584f53df1dcba4230230f1eb4ccd70415577d1a7fc", kill_on_drop: false }`
[INFO] [stdout] 417cbd41ba175220ce5aa9584f53df1dcba4230230f1eb4ccd70415577d1a7fc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+a836d9b6413d9d593be6c09463ff8c4c70e56599" "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] 863af3ce5aa9ca43ff4c78dc3ff9d4aa98b41f088d42eaef718f903d4817249d
[INFO] running `Command { std: "docker" "start" "-a" "863af3ce5aa9ca43ff4c78dc3ff9d4aa98b41f088d42eaef718f903d4817249d", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.71
[INFO] [stderr]    Compiling itoa v0.4.7
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling lexical-core v0.7.6
[INFO] [stderr]     Checking static_assertions v1.1.0
[INFO] [stderr]     Checking arrayvec v0.5.2
[INFO] [stderr]     Checking bytecount v0.3.2
[INFO] [stderr]     Checking natural v0.3.0
[INFO] [stderr]     Checking query_interface v0.3.5
[INFO] [stderr]     Checking byte-unit v3.1.4
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling nom v5.1.2
[INFO] [stderr]    Compiling num-bigint v0.2.6
[INFO] [stderr]     Checking itertools v0.7.11
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]     Checking render-tree v0.1.1
[INFO] [stderr]     Checking nom_locate v1.0.0
[INFO] [stderr]    Compiling serde_derive v1.0.125
[INFO] [stderr]    Compiling nom-tracable-macros v0.4.1
[INFO] [stderr]    Compiling derive-new v0.5.9
[INFO] [stderr]    Compiling ghost v0.1.2
[INFO] [stderr]    Compiling getset v0.0.9
[INFO] [stderr]    Compiling inventory-impl v0.1.10
[INFO] [stderr]    Compiling ctor v0.1.20
[INFO] [stderr]    Compiling typetag-impl v0.1.7
[INFO] [stderr]     Checking nom-tracable v0.4.1
[INFO] [stderr]     Checking inventory v0.1.10
[INFO] [stderr]     Checking serde v1.0.125
[INFO] [stderr]     Checking language-reporting v0.4.0
[INFO] [stderr]     Checking erased-serde v0.3.13
[INFO] [stderr]     Checking toml v0.5.8
[INFO] [stderr]     Checking serde_yaml v0.8.17
[INFO] [stderr]     Checking serde_json v1.0.64
[INFO] [stderr]     Checking serde_bytes v0.11.5
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking indexmap v1.6.2
[INFO] [stderr]     Checking typetag v0.1.7
[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-source v0.12.0`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/build/nu-source-1829a5f01bdf7aab/build-script-build` (exit status: 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" "863af3ce5aa9ca43ff4c78dc3ff9d4aa98b41f088d42eaef718f903d4817249d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "863af3ce5aa9ca43ff4c78dc3ff9d4aa98b41f088d42eaef718f903d4817249d", kill_on_drop: false }`
[INFO] [stdout] 863af3ce5aa9ca43ff4c78dc3ff9d4aa98b41f088d42eaef718f903d4817249d