[INFO] fetching crate entangled 1.3.0...
[INFO] checking entangled-1.3.0 against master#0d56e340472882fa673d4b98d0802b9a799879d0 for pr-101692
[INFO] extracting crate entangled 1.3.0 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate entangled 1.3.0 on toolchain 0d56e340472882fa673d4b98d0802b9a799879d0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0d56e340472882fa673d4b98d0802b9a799879d0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate entangled 1.3.0
[INFO] finished tweaking crates.io crate entangled 1.3.0
[INFO] tweaked toml for crates.io crate entangled 1.3.0 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0d56e340472882fa673d4b98d0802b9a799879d0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0d56e340472882fa673d4b98d0802b9a799879d0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded priority-queue v1.2.3
[INFO] [stderr]   Downloaded affinity v0.1.2
[INFO] [stderr]   Downloaded switchyard v0.2.1
[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" "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@sha256:824c28ce115f6b999260af6986f3384c158e782489540e41c0b698ca1d9fd927" "/opt/rustwide/cargo-home/bin/cargo" "+0d56e340472882fa673d4b98d0802b9a799879d0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8a0cc9f7d5c387eea4d4b4f6ac21a5da46c947bb109a3d1e321340d61f9e1ec8
[INFO] running `Command { std: "docker" "start" "-a" "8a0cc9f7d5c387eea4d4b4f6ac21a5da46c947bb109a3d1e321340d61f9e1ec8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8a0cc9f7d5c387eea4d4b4f6ac21a5da46c947bb109a3d1e321340d61f9e1ec8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8a0cc9f7d5c387eea4d4b4f6ac21a5da46c947bb109a3d1e321340d61f9e1ec8", kill_on_drop: false }`
[INFO] [stdout] 8a0cc9f7d5c387eea4d4b4f6ac21a5da46c947bb109a3d1e321340d61f9e1ec8
[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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--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@sha256:824c28ce115f6b999260af6986f3384c158e782489540e41c0b698ca1d9fd927" "/opt/rustwide/cargo-home/bin/cargo" "+0d56e340472882fa673d4b98d0802b9a799879d0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f6f84e14af37ff7e4b3f9abc61c00b9d9d1857984df89b6b7d3a3466563e9cca
[INFO] running `Command { std: "docker" "start" "-a" "f6f84e14af37ff7e4b3f9abc61c00b9d9d1857984df89b6b7d3a3466563e9cca", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling libc v0.2.132
[INFO] [stderr]    Compiling proc-macro2 v1.0.43
[INFO] [stderr]    Compiling quote v1.0.21
[INFO] [stderr]     Checking once_cell v1.14.0
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]    Compiling unicode-ident v1.0.4
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling futures-core v0.3.24
[INFO] [stderr]    Compiling syn v1.0.99
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]    Compiling crossbeam-utils v0.8.11
[INFO] [stderr]    Compiling serde v1.0.144
[INFO] [stderr]     Checking cache-padded v1.2.0
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]     Checking waker-fn v1.1.0
[INFO] [stderr]     Checking parking v2.0.0
[INFO] [stderr]     Checking fastrand v1.8.0
[INFO] [stderr]     Checking futures-io v0.3.24
[INFO] [stderr]     Checking pin-project-lite v0.2.9
[INFO] [stderr]     Checking event-listener v2.5.3
[INFO] [stderr]    Compiling rayon-core v1.9.3
[INFO] [stderr]    Compiling parking_lot_core v0.8.5
[INFO] [stderr]     Checking async-task v4.3.0
[INFO] [stderr]    Compiling serde_json v1.0.85
[INFO] [stderr]     Checking ryu v1.0.11
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[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling priority-queue v1.2.3
[INFO] [stderr]    Compiling rayon v1.5.3
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[INFO] [stderr]     Checking async-lock v2.5.0
[INFO] [stderr]     Checking itertools v0.10.4
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[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking crossbeam-deque v0.8.2
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[INFO] [stderr]     Checking plotters v0.3.4
[INFO] [stderr]     Checking affinity v0.1.2
[INFO] [stderr]     Checking parking_lot v0.11.2
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[INFO] [stderr]     Checking futures-intrusive v0.4.0
[INFO] [stderr]     Checking entangled v1.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `inner` is never read
[INFO] [stdout]   --> src/lib.rs:99:5
[INFO] [stdout]    |
[INFO] [stdout] 97 | pub struct ThreadPool {
[INFO] [stdout]    |            ---------- field in this struct
[INFO] [stdout] 98 |     executor: Arc<async_executor::Executor<'static>>,
[INFO] [stdout] 99 |     inner: Arc<ThreadPoolInner>,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout]    = note: `ThreadPool` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking switchyard v0.2.1
[INFO] [stderr]     Checking bstr v0.2.17
[INFO] [stderr]     Checking serde_cbor v0.11.2
[INFO] [stderr]     Checking csv v1.1.6
[INFO] [stderr]     Checking tinytemplate v1.2.1
[INFO] [stderr]    Compiling ctor v0.1.23
[INFO] [stderr]     Checking kv-log-macro v1.0.7
[INFO] [stderr]     Checking async-global-executor v2.3.0
[INFO] [stderr]     Checking async-std v1.12.0
[INFO] [stderr]     Checking criterion v0.3.6
[INFO] [stdout] warning: field `inner` is never read
[INFO] [stdout]   --> src/lib.rs:99:5
[INFO] [stdout]    |
[INFO] [stdout] 97 | pub struct ThreadPool {
[INFO] [stdout]    |            ---------- field in this struct
[INFO] [stdout] 98 |     executor: Arc<async_executor::Executor<'static>>,
[INFO] [stdout] 99 |     inner: Arc<ThreadPoolInner>,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout]    = note: `ThreadPool` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 47.51s
[INFO] running `Command { std: "docker" "inspect" "f6f84e14af37ff7e4b3f9abc61c00b9d9d1857984df89b6b7d3a3466563e9cca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f6f84e14af37ff7e4b3f9abc61c00b9d9d1857984df89b6b7d3a3466563e9cca", kill_on_drop: false }`
[INFO] [stdout] f6f84e14af37ff7e4b3f9abc61c00b9d9d1857984df89b6b7d3a3466563e9cca