[INFO] fetching crate bifrostlink 0.1.0...
[INFO] checking bifrostlink-0.1.0 against try#c387b04bf028733cd561d62128c8a5eee4bc1458+rustflags=-Dtail_expr_drop_order for pr-130930
[INFO] extracting crate bifrostlink 0.1.0 into /workspace/builds/worker-4-tc2/source
[INFO] validating manifest of crates.io crate bifrostlink 0.1.0 on toolchain c387b04bf028733cd561d62128c8a5eee4bc1458
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate bifrostlink 0.1.0
[INFO] finished tweaking crates.io crate bifrostlink 0.1.0
[INFO] tweaked toml for crates.io crate bifrostlink 0.1.0 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 58 packages to latest compatible versions
[INFO] [stderr]       Adding hermit-abi v0.3.9 (available: v0.4.0)
[INFO] [stderr]       Adding syn v1.0.109 (available: v2.0.79)
[INFO] [stderr]       Adding wasi v0.11.0+wasi-snapshot-preview1 (available: v0.13.2+wasi-0.2.1)
[INFO] [stderr]       Adding windows-sys v0.52.0 (available: v0.59.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f96fb966ff0dafe8bbb52eb01f3b5169c856a5c82582f23b35b20bb8f4a1f8cd
[INFO] running `Command { std: "docker" "start" "-a" "f96fb966ff0dafe8bbb52eb01f3b5169c856a5c82582f23b35b20bb8f4a1f8cd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f96fb966ff0dafe8bbb52eb01f3b5169c856a5c82582f23b35b20bb8f4a1f8cd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f96fb966ff0dafe8bbb52eb01f3b5169c856a5c82582f23b35b20bb8f4a1f8cd", kill_on_drop: false }`
[INFO] [stdout] f96fb966ff0dafe8bbb52eb01f3b5169c856a5c82582f23b35b20bb8f4a1f8cd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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 -Dtail_expr_drop_order" "-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@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f07e1df19923843f861d2109402534c8ecb049ef98dca3784f6e79b7475ea89b
[INFO] running `Command { std: "docker" "start" "-a" "f07e1df19923843f861d2109402534c8ecb049ef98dca3784f6e79b7475ea89b", kill_on_drop: false }`
[INFO] [stderr]     Checking uuid v1.10.0
[INFO] [stderr]    Compiling derivative v2.2.0
[INFO] [stderr]    Compiling async-trait v0.1.83
[INFO] [stderr]     Checking futures-util v0.3.30
[INFO] [stderr]     Checking tokio v1.40.0
[INFO] [stderr]     Checking serde_json v1.0.128
[INFO] [stderr]     Checking futures-executor v0.3.30
[INFO] [stderr]     Checking futures v0.3.30
[INFO] [stderr]     Checking bifrostlink v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `added_via` is never read
[INFO] [stdout]   --> src/route.rs:50:6
[INFO] [stdout]    |
[INFO] [stdout] 47 | pub struct ViaListSeconded<Address> {
[INFO] [stdout]    |            --------------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 50 |     pub added_via: Via<Address>,
[INFO] [stdout]    |         ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `ViaListSeconded` 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: method `forwarded` is never used
[INFO] [stdout]    --> src/route.rs:151:5
[INFO] [stdout]     |
[INFO] [stdout] 133 | / impl<Address> InverseRouteSet<Address>
[INFO] [stdout] 134 | | where
[INFO] [stdout] 135 | |     Address: AddressT,
[INFO] [stdout]     | |______________________- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 151 |       fn forwarded(&self, via: Via<Address>) -> Option<impl Iterator<Item = Address> + '_> {
[INFO] [stdout]     |          ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `added_via` is never read
[INFO] [stdout]   --> src/route.rs:50:6
[INFO] [stdout]    |
[INFO] [stdout] 47 | pub struct ViaListSeconded<Address> {
[INFO] [stdout]    |            --------------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 50 |     pub added_via: Via<Address>,
[INFO] [stdout]    |         ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `ViaListSeconded` 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: method `update` is never used
[INFO] [stdout]    --> src/route.rs:266:9
[INFO] [stdout]     |
[INFO] [stdout] 163 | / impl<Address> RouteSet<Address>
[INFO] [stdout] 164 | | where
[INFO] [stdout] 165 | |     Address: AddressT,
[INFO] [stdout]     | |______________________- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 266 |       pub fn update(&mut self, address: Address, via: Via<Address>, rtt: Rtt) {
[INFO] [stdout]     |              ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `forwarded` is never used
[INFO] [stdout]    --> src/route.rs:151:5
[INFO] [stdout]     |
[INFO] [stdout] 133 | / impl<Address> InverseRouteSet<Address>
[INFO] [stdout] 134 | | where
[INFO] [stdout] 135 | |     Address: AddressT,
[INFO] [stdout]     | |______________________- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 151 |       fn forwarded(&self, via: Via<Address>) -> Option<impl Iterator<Item = Address> + '_> {
[INFO] [stdout]     |          ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `update` is never used
[INFO] [stdout]    --> src/route.rs:266:9
[INFO] [stdout]     |
[INFO] [stdout] 163 | / impl<Address> RouteSet<Address>
[INFO] [stdout] 164 | | where
[INFO] [stdout] 165 | |     Address: AddressT,
[INFO] [stdout]     | |______________________- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 266 |       pub fn update(&mut self, address: Address, via: Via<Address>, rtt: Rtt) {
[INFO] [stdout]     |              ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.30s
[INFO] running `Command { std: "docker" "inspect" "f07e1df19923843f861d2109402534c8ecb049ef98dca3784f6e79b7475ea89b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f07e1df19923843f861d2109402534c8ecb049ef98dca3784f6e79b7475ea89b", kill_on_drop: false }`
[INFO] [stdout] f07e1df19923843f861d2109402534c8ecb049ef98dca3784f6e79b7475ea89b