[INFO] fetching crate nj-core 4.2.0...
[INFO] checking nj-core-4.2.0 against try#32cb8dc6fdc8140b91f4d17c4883e528db4e7e6d for pr-83312
[INFO] extracting crate nj-core 4.2.0 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate nj-core 4.2.0 on toolchain 32cb8dc6fdc8140b91f4d17c4883e528db4e7e6d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+32cb8dc6fdc8140b91f4d17c4883e528db4e7e6d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate nj-core 4.2.0
[INFO] finished tweaking crates.io crate nj-core 4.2.0
[INFO] tweaked toml for crates.io crate nj-core 4.2.0 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+32cb8dc6fdc8140b91f4d17c4883e528db4e7e6d" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+32cb8dc6fdc8140b91f4d17c4883e528db4e7e6d" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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@sha256:4f92631de1aa59f8320307485d3b3c869a5c90ab1d76ce2cffab9807b8c9a1fb" "/opt/rustwide/cargo-home/bin/cargo" "+32cb8dc6fdc8140b91f4d17c4883e528db4e7e6d" "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] 52f63f16d8c3cb317a2e559f4434540f4b822f3309aefd0ab3f8b4779e73a605
[INFO] running `Command { std: "docker" "start" "-a" "52f63f16d8c3cb317a2e559f4434540f4b822f3309aefd0ab3f8b4779e73a605", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "52f63f16d8c3cb317a2e559f4434540f4b822f3309aefd0ab3f8b4779e73a605", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "52f63f16d8c3cb317a2e559f4434540f4b822f3309aefd0ab3f8b4779e73a605", kill_on_drop: false }`
[INFO] [stdout] 52f63f16d8c3cb317a2e559f4434540f4b822f3309aefd0ab3f8b4779e73a605
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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@sha256:4f92631de1aa59f8320307485d3b3c869a5c90ab1d76ce2cffab9807b8c9a1fb" "/opt/rustwide/cargo-home/bin/cargo" "+32cb8dc6fdc8140b91f4d17c4883e528db4e7e6d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7a0f2cbea80d39c4a7cd81c148fbb6843453e6d4b89447124d90df2a28885148
[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" "7a0f2cbea80d39c4a7cd81c148fbb6843453e6d4b89447124d90df2a28885148", kill_on_drop: false }`
[INFO] [stderr]    Compiling value-bag v1.0.0-alpha.6
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]     Checking cache-padded v1.1.1
[INFO] [stderr]     Checking waker-fn v1.1.0
[INFO] [stderr]     Checking event-listener v2.5.1
[INFO] [stderr]     Checking futures-io v0.3.13
[INFO] [stderr]     Checking parking v2.0.0
[INFO] [stderr]     Checking fastrand v1.4.0
[INFO] [stderr]    Compiling serde v1.0.125
[INFO] [stderr]     Checking vec-arena v1.1.0
[INFO] [stderr]     Checking async-task v4.0.3
[INFO] [stderr]     Checking atomic-waker v1.0.0
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]    Compiling async-trait v0.1.48
[INFO] [stderr]     Checking ansi_term v0.12.1
[INFO] [stderr]    Compiling inventory v0.1.10
[INFO] [stderr]     Checking smallvec v1.6.1
[INFO] [stderr]     Checking nj-sys v3.0.0
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]     Checking tracing-core v0.1.17
[INFO] [stderr]    Compiling crossbeam-utils v0.8.3
[INFO] [stderr]    Compiling num-bigint v0.4.0
[INFO] [stderr]     Checking thread_local v1.1.3
[INFO] [stderr]     Checking sharded-slab v0.1.1
[INFO] [stderr]     Checking regex v1.4.5
[INFO] [stderr]     Checking concurrent-queue v1.2.2
[INFO] [stderr]     Checking async-mutex v1.4.0
[INFO] [stderr]     Checking async-lock v2.3.0
[INFO] [stderr]     Checking regex-automata v0.1.9
[INFO] [stderr]     Checking socket2 v0.4.0
[INFO] [stderr]     Checking futures-lite v1.11.3
[INFO] [stderr]    Compiling syn v1.0.64
[INFO] [stderr]     Checking async-channel v1.6.1
[INFO] [stderr]     Checking nb-connect v1.1.0
[INFO] [stderr]     Checking matchers v0.0.1
[INFO] [stderr]     Checking blocking v1.0.2
[INFO] [stderr]     Checking async-executor v1.4.0
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking serde_json v1.0.64
[INFO] [stderr]     Checking tracing-serde v0.1.2
[INFO] [stderr]    Compiling ctor v0.1.20
[INFO] [stderr]    Compiling tracing-attributes v0.1.15
[INFO] [stderr]    Compiling pin-project-internal v1.0.5
[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]     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 v1.3.1
[INFO] [stderr]     Checking tracing v0.1.25
[INFO] [stderr]     Checking thiserror v1.0.24
[INFO] [stderr]     Checking async-global-executor v2.0.2
[INFO] [stderr]     Checking tracing-subscriber v0.2.17
[INFO] [stderr]     Checking async-std v1.9.0
[INFO] [stderr]     Checking pin-project v1.0.5
[INFO] [stderr]     Checking fluvio-future v0.2.0
[INFO] [stderr]     Checking nj-core v4.2.0 (/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 46.15s
[INFO] running `Command { std: "docker" "inspect" "7a0f2cbea80d39c4a7cd81c148fbb6843453e6d4b89447124d90df2a28885148", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7a0f2cbea80d39c4a7cd81c148fbb6843453e6d4b89447124d90df2a28885148", kill_on_drop: false }`
[INFO] [stdout] 7a0f2cbea80d39c4a7cd81c148fbb6843453e6d4b89447124d90df2a28885148