[INFO] fetching crate banyan 0.17.1...
[INFO] checking banyan-0.17.1 against try#8d0c454bea9d9cc2cc7e288388f3b7d1da19c04f for pr-114559
[INFO] extracting crate banyan 0.17.1 into /workspace/builds/worker-0-tc2/source
[INFO] validating manifest of crates.io crate banyan 0.17.1 on toolchain 8d0c454bea9d9cc2cc7e288388f3b7d1da19c04f
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8d0c454bea9d9cc2cc7e288388f3b7d1da19c04f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate banyan 0.17.1
[INFO] finished tweaking crates.io crate banyan 0.17.1
[INFO] tweaked toml for crates.io crate banyan 0.17.1 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8d0c454bea9d9cc2cc7e288388f3b7d1da19c04f" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8d0c454bea9d9cc2cc7e288388f3b7d1da19c04f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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@sha256:5c16f4e6c37141f9fef0bc86f7a492d732943053e42aab8461035881e3f53823" "/opt/rustwide/cargo-home/bin/cargo" "+8d0c454bea9d9cc2cc7e288388f3b7d1da19c04f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 347d6d617cafdd0caf71e7c78b914582bfedf14407a7a6c7241fc5701a38f46b
[INFO] running `Command { std: "docker" "start" "-a" "347d6d617cafdd0caf71e7c78b914582bfedf14407a7a6c7241fc5701a38f46b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "347d6d617cafdd0caf71e7c78b914582bfedf14407a7a6c7241fc5701a38f46b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "347d6d617cafdd0caf71e7c78b914582bfedf14407a7a6c7241fc5701a38f46b", kill_on_drop: false }`
[INFO] [stdout] 347d6d617cafdd0caf71e7c78b914582bfedf14407a7a6c7241fc5701a38f46b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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@sha256:5c16f4e6c37141f9fef0bc86f7a492d732943053e42aab8461035881e3f53823" "/opt/rustwide/cargo-home/bin/cargo" "+8d0c454bea9d9cc2cc7e288388f3b7d1da19c04f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c0dbe3b5ee55647f8ba0a87b4cb01f24af91c936464af245ac121753d210a799
[INFO] running `Command { std: "docker" "start" "-a" "c0dbe3b5ee55647f8ba0a87b4cb01f24af91c936464af245ac121753d210a799", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling equivalent v1.0.1
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[INFO] [stderr]     Checking banyan v0.17.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `registry` is never read
[INFO] [stdout]   --> src/forest/mod.rs:60:16
[INFO] [stdout]    |
[INFO] [stdout] 56 | pub struct ForestInner<T: TreeTypes, R> {
[INFO] [stdout]    |            ----------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 60 |     pub(crate) registry: Registry,
[INFO] [stdout]    |                ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `ForestInner` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `registry` is never read
[INFO] [stdout]   --> src/forest/mod.rs:60:16
[INFO] [stdout]    |
[INFO] [stdout] 56 | pub struct ForestInner<T: TreeTypes, R> {
[INFO] [stdout]    |            ----------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 60 |     pub(crate) registry: Registry,
[INFO] [stdout]    |                ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `ForestInner` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[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 22.59s
[INFO] running `Command { std: "docker" "inspect" "c0dbe3b5ee55647f8ba0a87b4cb01f24af91c936464af245ac121753d210a799", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c0dbe3b5ee55647f8ba0a87b4cb01f24af91c936464af245ac121753d210a799", kill_on_drop: false }`
[INFO] [stdout] c0dbe3b5ee55647f8ba0a87b4cb01f24af91c936464af245ac121753d210a799
