[INFO] fetching crate nj-core 4.3.0...
[INFO] checking nj-core-4.3.0 against try#45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4 for pr-83744
[INFO] extracting crate nj-core 4.3.0 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate nj-core 4.3.0 on toolchain 45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate nj-core 4.3.0
[INFO] finished tweaking crates.io crate nj-core 4.3.0
[INFO] tweaked toml for crates.io crate nj-core 4.3.0 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/opt/rustwide/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 44ccb73eb0f15f395c7478959cdf9824c8be2067d9883e5e178180cab2bb29ce
[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" "44ccb73eb0f15f395c7478959cdf9824c8be2067d9883e5e178180cab2bb29ce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "44ccb73eb0f15f395c7478959cdf9824c8be2067d9883e5e178180cab2bb29ce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "44ccb73eb0f15f395c7478959cdf9824c8be2067d9883e5e178180cab2bb29ce", kill_on_drop: false }`
[INFO] [stdout] 44ccb73eb0f15f395c7478959cdf9824c8be2067d9883e5e178180cab2bb29ce
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/opt/rustwide/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "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] 4e6b3a91dff8d564daffec03f6cf6a1e92bbc680540d5ebee2dcf7d7892e5331
[INFO] running `Command { std: "docker" "start" "-a" "4e6b3a91dff8d564daffec03f6cf6a1e92bbc680540d5ebee2dcf7d7892e5331", kill_on_drop: false }`
[INFO] [stderr]     Checking tracing-core v0.1.17
[INFO] [stderr]     Checking sharded-slab v0.1.1
[INFO] [stderr]     Checking regex v1.4.5
[INFO] [stderr]     Checking futures-lite v1.11.3
[INFO] [stderr]     Checking socket2 v0.4.0
[INFO] [stderr]    Compiling syn v1.0.69
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking tracing-serde v0.1.2
[INFO] [stderr]     Checking async-executor v1.4.0
[INFO] [stderr]     Checking blocking v1.0.2
[INFO] [stderr]    Compiling ctor v0.1.20
[INFO] [stderr]    Compiling tracing-attributes v0.1.15
[INFO] [stderr]    Compiling pin-project-internal v1.0.7
[INFO] [stderr]    Compiling thiserror-impl v1.0.24
[INFO] [stderr]    Compiling ghost v0.1.2
[INFO] [stderr]    Compiling inventory-impl v0.1.10
[INFO] [stderr]    Compiling async-trait v0.1.50
[INFO] [stderr]     Checking value-bag v1.0.0-alpha.6
[INFO] [stderr]     Checking log v0.4.14
[INFO] [stderr]     Checking inventory v0.1.10
[INFO] [stderr]     Checking polling v2.0.3
[INFO] [stderr]     Checking tracing-log v0.1.2
[INFO] [stderr]     Checking kv-log-macro v1.0.7
[INFO] [stderr]     Checking async-io v1.4.0
[INFO] [stderr]     Checking tracing v0.1.25
[INFO] [stderr]     Checking thiserror v1.0.24
[INFO] [stderr]     Checking tracing-subscriber v0.2.17
[INFO] [stderr]     Checking pin-project v1.0.7
[INFO] [stderr]     Checking async-global-executor v2.0.2
[INFO] [stderr]     Checking async-std v1.9.0
[INFO] [stderr]     Checking fluvio-future v0.2.0
[INFO] [stderr]     Checking nj-core v4.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `wrapper`
[INFO] [stdout]   --> src/class.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 17 |     wrapper: napi_ref,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `wrapper`
[INFO] [stdout]   --> src/class.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 17 |     wrapper: napi_ref,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 42.22s
[INFO] running `Command { std: "docker" "inspect" "4e6b3a91dff8d564daffec03f6cf6a1e92bbc680540d5ebee2dcf7d7892e5331", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4e6b3a91dff8d564daffec03f6cf6a1e92bbc680540d5ebee2dcf7d7892e5331", kill_on_drop: false }`
[INFO] [stdout] 4e6b3a91dff8d564daffec03f6cf6a1e92bbc680540d5ebee2dcf7d7892e5331