[INFO] fetching crate concread 0.4.3...
[INFO] checking concread-0.4.3 against master#158f00a1c5175648af6f6099b075f78d1d014a28 for pr-121251
[INFO] extracting crate concread 0.4.3 into /workspace/builds/worker-0-tc1/source
[INFO] validating manifest of crates.io crate concread 0.4.3 on toolchain 158f00a1c5175648af6f6099b075f78d1d014a28
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+158f00a1c5175648af6f6099b075f78d1d014a28" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate concread 0.4.3
[INFO] finished tweaking crates.io crate concread 0.4.3
[INFO] tweaked toml for crates.io crate concread 0.4.3 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+158f00a1c5175648af6f6099b075f78d1d014a28" "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" "+158f00a1c5175648af6f6099b075f78d1d014a28" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded lru v0.7.8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+158f00a1c5175648af6f6099b075f78d1d014a28" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] aad0001d4ac3e53b54b53f74896cee16736406aa4c33fec831f8a7358efbbfe8
[INFO] running `Command { std: "docker" "start" "-a" "aad0001d4ac3e53b54b53f74896cee16736406aa4c33fec831f8a7358efbbfe8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "aad0001d4ac3e53b54b53f74896cee16736406aa4c33fec831f8a7358efbbfe8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aad0001d4ac3e53b54b53f74896cee16736406aa4c33fec831f8a7358efbbfe8", kill_on_drop: false }`
[INFO] [stdout] aad0001d4ac3e53b54b53f74896cee16736406aa4c33fec831f8a7358efbbfe8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+158f00a1c5175648af6f6099b075f78d1d014a28" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c4933fb75fdcd27158d3e87a8e26c4b1a6722b5c0794e581dad67a81bd512973
[INFO] running `Command { std: "docker" "start" "-a" "c4933fb75fdcd27158d3e87a8e26c4b1a6722b5c0794e581dad67a81bd512973", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.153
[INFO] [stderr]    Compiling ahash v0.7.8
[INFO] [stderr]     Checking powerfmt v0.2.0
[INFO] [stderr]     Checking crossbeam-epoch v0.9.18
[INFO] [stderr]    Compiling tokio-macros v2.2.0
[INFO] [stderr]     Checking serde_json v1.0.114
[INFO] [stderr]     Checking crossbeam-queue v0.3.11
[INFO] [stderr]     Checking serde_cbor v0.11.2
[INFO] [stderr]     Checking csv v1.3.0
[INFO] [stderr]     Checking sptr v0.3.2
[INFO] [stderr]     Checking num-conv v0.1.0
[INFO] [stderr]     Checking time-core v0.1.2
[INFO] [stderr]    Compiling function_name-proc-macro v0.3.0
[INFO] [stderr]     Checking tracing-subscriber v0.3.18
[INFO] [stderr]     Checking uuid v1.7.0
[INFO] [stderr]     Checking deranged v0.3.11
[INFO] [stderr]     Checking crossbeam-deque v0.8.5
[INFO] [stderr]     Checking rayon-core v1.12.1
[INFO] [stderr]     Checking function_name v0.3.0
[INFO] [stderr]     Checking rayon v1.9.0
[INFO] [stderr]     Checking getrandom v0.2.12
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking tinytemplate v1.2.1
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking tokio v1.36.0
[INFO] [stderr]     Checking time v0.3.34
[INFO] [stderr]     Checking hashbrown v0.12.3
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking lru v0.7.8
[INFO] [stderr]     Checking concread v0.4.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking criterion v0.3.6
[INFO] [stdout] error: method `get_root_ref` is never used
[INFO] [stdout]    --> src/internals/bptree/cursor.rs:175:8
[INFO] [stdout]     |
[INFO] [stdout] 174 | pub(crate) trait CursorReadOps<K: Clone + Ord + Debug, V: Clone> {
[INFO] [stdout]     |                  ------------- method in this trait
[INFO] [stdout] 175 |     fn get_root_ref(&self) -> &Node<K, V>;
[INFO] [stdout]     |        ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]    --> src/lib.rs:37:9
[INFO] [stdout]     |
[INFO] [stdout] 37  | #![deny(warnings)]
[INFO] [stdout]     |         ^^^^^^^^
[INFO] [stdout]     = note: `#[deny(dead_code)]` implied by `#[deny(warnings)]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: field `txid` is never read
[INFO] [stdout]    --> src/internals/hashmap/cursor.rs:142:5
[INFO] [stdout]     |
[INFO] [stdout] 137 | pub(crate) struct CursorRead<K, V>
[INFO] [stdout]     |                   ---------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 142 |     txid: u64,
[INFO] [stdout]     |     ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `CursorRead` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: methods `get_root_ref`, `get_txid`, and `contains_key` are never used
[INFO] [stdout]    --> src/internals/hashmap/cursor.rs:183:8
[INFO] [stdout]     |
[INFO] [stdout] 182 | pub(crate) trait CursorReadOps<K: Clone + Hash + Eq + Debug, V: Clone> {
[INFO] [stdout]     |                  ------------- methods in this trait
[INFO] [stdout] 183 |     fn get_root_ref(&self) -> &Node<K, V>;
[INFO] [stdout]     |        ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 189 |     fn get_txid(&self) -> u64;
[INFO] [stdout]     |        ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 230 |     fn contains_key<'a, 'b, Q: ?Sized>(&'a self, h: u64, k: &'b Q) -> bool
[INFO] [stdout]     |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: methods `verify_inner` and `verify` are never used
[INFO] [stdout]    --> src/internals/hashtrie/cursor.rs:563:8
[INFO] [stdout]     |
[INFO] [stdout] 504 | pub(crate) trait CursorReadOps<K: Clone + Hash + Eq + Debug, V: Clone> {
[INFO] [stdout]     |                  ------------- methods in this trait
[INFO] [stdout] ...
[INFO] [stdout] 563 |     fn verify_inner(&self, expect_clean: bool) {
[INFO] [stdout]     |        ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 598 |     fn verify(&self);
[INFO] [stdout]     |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 4 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `concread` (lib) due to 5 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "c4933fb75fdcd27158d3e87a8e26c4b1a6722b5c0794e581dad67a81bd512973", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c4933fb75fdcd27158d3e87a8e26c4b1a6722b5c0794e581dad67a81bd512973", kill_on_drop: false }`
[INFO] [stdout] c4933fb75fdcd27158d3e87a8e26c4b1a6722b5c0794e581dad67a81bd512973
