[INFO] fetching crate boringtun-easytier 0.6.1...
[INFO] checking boringtun-easytier-0.6.1 against try#c387b04bf028733cd561d62128c8a5eee4bc1458+rustflags=-Dtail_expr_drop_order for pr-130930
[INFO] extracting crate boringtun-easytier 0.6.1 into /workspace/builds/worker-1-tc2/source
[INFO] validating manifest of crates.io crate boringtun-easytier 0.6.1 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 boringtun-easytier 0.6.1
[INFO] finished tweaking crates.io crate boringtun-easytier 0.6.1
[INFO] tweaked toml for crates.io crate boringtun-easytier 0.6.1 written to /workspace/builds/worker-1-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 141 packages to latest compatible versions
[INFO] [stderr]       Adding base64 v0.13.1 (available: v0.22.1)
[INFO] [stderr]       Adding bitflags v1.3.2 (available: v2.6.0)
[INFO] [stderr]       Adding clap v2.34.0 (available: v4.5.18)
[INFO] [stderr]       Adding criterion v0.3.6 (available: v0.5.1)
[INFO] [stderr]       Adding criterion-plot v0.4.5 (available: v0.5.0)
[INFO] [stderr]       Adding etherparse v0.13.0 (available: v0.16.0)
[INFO] [stderr]       Adding generic-array v0.14.7 (available: v1.1.0)
[INFO] [stderr]       Adding half v1.8.3 (available: v2.4.1)
[INFO] [stderr]       Adding hermit-abi v0.1.19 (available: v0.4.0)
[INFO] [stderr]       Adding itertools v0.10.5 (available: v0.13.0)
[INFO] [stderr]       Adding jni v0.19.0 (available: v0.21.1)
[INFO] [stderr]       Adding jni-sys v0.3.0 (available: v0.4.0)
[INFO] [stderr]       Adding mock_instant v0.3.2 (available: v0.5.1)
[INFO] [stderr]       Adding nix v0.25.1 (available: v0.29.0)
[INFO] [stderr]       Adding nu-ansi-term v0.46.0 (available: v0.50.1)
[INFO] [stderr]       Adding socket2 v0.4.10 (available: v0.5.7)
[INFO] [stderr]       Adding textwrap v0.11.0 (available: v0.16.1)
[INFO] [stderr]       Adding unicode-width v0.1.14 (available: v0.2.0)
[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-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 09d8c1f5fe84e4882814c316f192d11d8c6390f4b548d967caad17b769a0e07a
[INFO] running `Command { std: "docker" "start" "-a" "09d8c1f5fe84e4882814c316f192d11d8c6390f4b548d967caad17b769a0e07a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "09d8c1f5fe84e4882814c316f192d11d8c6390f4b548d967caad17b769a0e07a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "09d8c1f5fe84e4882814c316f192d11d8c6390f4b548d967caad17b769a0e07a", kill_on_drop: false }`
[INFO] [stdout] 09d8c1f5fe84e4882814c316f192d11d8c6390f4b548d967caad17b769a0e07a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 6a1a38d24d2e6169ebfe69dfb0edcc5bee291cce48f0addde21daa928bee452e
[INFO] running `Command { std: "docker" "start" "-a" "6a1a38d24d2e6169ebfe69dfb0edcc5bee291cce48f0addde21daa928bee452e", kill_on_drop: false }`
[INFO] [stderr]     Checking tracing-core v0.1.32
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]    Compiling curve25519-dalek v4.1.3
[INFO] [stderr]     Checking csv-core v0.1.11
[INFO] [stderr]     Checking ip_network_table-deps-treebitmap v0.5.0
[INFO] [stderr]    Compiling zeroize_derive v1.4.2
[INFO] [stderr]    Compiling curve25519-dalek-derive v0.1.1
[INFO] [stderr]    Compiling tracing-attributes v0.1.27
[INFO] [stderr]     Checking ip_network v0.4.1
[INFO] [stderr]     Checking half v1.8.3
[INFO] [stderr]     Checking ring v0.17.8
[INFO] [stderr]     Checking criterion-plot v0.4.5
[INFO] [stderr]     Checking parking_lot v0.12.3
[INFO] [stderr]     Checking tinytemplate v1.2.1
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking nix v0.25.1
[INFO] [stderr]     Checking clap v2.34.0
[INFO] [stderr]     Checking crypto-common v0.1.6
[INFO] [stderr]     Checking csv v1.3.0
[INFO] [stderr]     Checking atomic-shim v0.2.0
[INFO] [stderr]     Checking ip_network_table v0.2.0
[INFO] [stderr]     Checking etherparse v0.13.0
[INFO] [stderr]     Checking serde_cbor v0.11.2
[INFO] [stderr]     Checking universal-hash v0.5.1
[INFO] [stderr]     Checking digest v0.10.7
[INFO] [stderr]     Checking aead v0.5.2
[INFO] [stderr]     Checking poly1305 v0.8.0
[INFO] [stderr]     Checking tracing-log v0.2.0
[INFO] [stderr]     Checking blake2 v0.10.6
[INFO] [stderr]     Checking hmac v0.12.1
[INFO] [stderr]     Checking tracing-subscriber v0.3.18
[INFO] [stderr]     Checking zeroize v1.8.1
[INFO] [stderr]     Checking cipher v0.4.4
[INFO] [stderr]     Checking tracing v0.1.40
[INFO] [stderr]     Checking chacha20 v0.9.1
[INFO] [stderr]     Checking chacha20poly1305 v0.10.1
[INFO] [stderr]     Checking x25519-dalek v2.0.1
[INFO] [stderr]     Checking criterion v0.3.6
[INFO] [stderr]     Checking boringtun-easytier v0.6.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]  --> src/serialization.rs:1:28
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub(crate) struct KeyBytes(pub [u8; 32]);
[INFO] [stdout]   |                   -------- ^^^^^^^^^^^^
[INFO] [stdout]   |                   |
[INFO] [stdout]   |                   field in this struct
[INFO] [stdout]   |
[INFO] [stdout]   = help: consider removing this field
[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: field `0` is never read
[INFO] [stdout]  --> src/serialization.rs:1:28
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub(crate) struct KeyBytes(pub [u8; 32]);
[INFO] [stdout]   |                   -------- ^^^^^^^^^^^^
[INFO] [stdout]   |                   |
[INFO] [stdout]   |                   field in this struct
[INFO] [stdout]   |
[INFO] [stdout]   = help: consider removing this field
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.78s
[INFO] running `Command { std: "docker" "inspect" "6a1a38d24d2e6169ebfe69dfb0edcc5bee291cce48f0addde21daa928bee452e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6a1a38d24d2e6169ebfe69dfb0edcc5bee291cce48f0addde21daa928bee452e", kill_on_drop: false }`
[INFO] [stdout] 6a1a38d24d2e6169ebfe69dfb0edcc5bee291cce48f0addde21daa928bee452e