[INFO] fetching crate tetsy-transaction-pool 2.0.4...
[INFO] checking tetsy-transaction-pool-2.0.4 against try#c387b04bf028733cd561d62128c8a5eee4bc1458+rustflags=-Dtail_expr_drop_order for pr-130930
[INFO] extracting crate tetsy-transaction-pool 2.0.4 into /workspace/builds/worker-4-tc2/source
[INFO] validating manifest of crates.io crate tetsy-transaction-pool 2.0.4 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 tetsy-transaction-pool 2.0.4
[INFO] finished tweaking crates.io crate tetsy-transaction-pool 2.0.4
[INFO] tweaked toml for crates.io crate tetsy-transaction-pool 2.0.4 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]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 42 packages to latest compatible versions
[INFO] [stderr]       Adding arrayvec v0.5.2 (available: v0.7.6)
[INFO] [stderr]       Adding bitvec v0.20.4 (available: v1.0.1)
[INFO] [stderr]       Adding funty v1.1.0 (available: v2.0.0)
[INFO] [stderr]       Adding radium v0.6.2 (available: v1.1.0)
[INFO] [stderr]       Adding wasi v0.11.0+wasi-snapshot-preview1 (available: v0.13.2+wasi-0.2.1)
[INFO] [stderr]       Adding wyz v0.2.0 (available: v0.6.1)
[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] [stderr]     Blocking waiting for file lock on package cache
[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] 6849f3069d0dbd89c923617ce31c25ad051fdd53091937ca4014949fc485ea0a
[INFO] running `Command { std: "docker" "start" "-a" "6849f3069d0dbd89c923617ce31c25ad051fdd53091937ca4014949fc485ea0a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6849f3069d0dbd89c923617ce31c25ad051fdd53091937ca4014949fc485ea0a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6849f3069d0dbd89c923617ce31c25ad051fdd53091937ca4014949fc485ea0a", kill_on_drop: false }`
[INFO] [stdout] 6849f3069d0dbd89c923617ce31c25ad051fdd53091937ca4014949fc485ea0a
[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] d2c7e411399bc20c519e9fc03b7a9864060f00064f8d2ab0144d15c3ad4ea41c
[INFO] running `Command { std: "docker" "start" "-a" "d2c7e411399bc20c519e9fc03b7a9864060f00064f8d2ab0144d15c3ad4ea41c", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.210
[INFO] [stderr]    Compiling radium v0.6.2
[INFO] [stderr]    Compiling crunchy v0.2.2
[INFO] [stderr]     Checking rustc-hex v2.1.0
[INFO] [stderr]     Checking wyz v0.2.0
[INFO] [stderr]     Checking funty v1.1.0
[INFO] [stderr]     Checking bytes v1.7.2
[INFO] [stderr]     Checking arrayvec v0.5.2
[INFO] [stderr]     Checking byte-slice-cast v1.2.2
[INFO] [stderr]    Compiling tiny-keccak v2.0.2
[INFO] [stderr]     Checking hex v0.4.3
[INFO] [stderr]     Checking tetsy-transaction-pool v2.0.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking uint-crate v0.9.1
[INFO] [stderr]     Checking tetsy-rlp v0.5.1
[INFO] [stderr]     Checking tetsy-impl-rlp v0.3.1
[INFO] [stderr]     Checking bitvec v0.20.4
[INFO] [stderr]     Checking tetsy-fixed-hash v0.7.1
[INFO] [stderr]     Checking tetsy-scale-codec v2.0.1
[INFO] [stderr]     Checking tetsy-impl-serde v0.3.2
[INFO] [stderr]     Checking vapbloom v0.11.1
[INFO] [stderr]     Checking tetsy-impl-codec v0.5.1
[INFO] [stderr]     Checking tetsy-primitive-types v0.9.1
[INFO] [stderr]     Checking vapory-types v0.11.1
[INFO] [stdout] warning: field `gas` is never read
[INFO] [stdout]   --> src/tests/tx_builder.rs:16:2
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub struct TransactionBuilder {
[INFO] [stdout]    |            ------------------ field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 16 |     gas: U256,
[INFO] [stdout]    |     ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `TransactionBuilder` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: missing documentation for an associated function
[INFO] [stdout]   --> src/tests/mod.rs:50:2
[INFO] [stdout]    |
[INFO] [stdout] 50 |     pub fn with_limit(max_count: usize) -> Self {
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]   --> src/lib.rs:61:9
[INFO] [stdout]    |
[INFO] [stdout] 61 | #![warn(missing_docs)]
[INFO] [stdout]    |         ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 8.16s
[INFO] running `Command { std: "docker" "inspect" "d2c7e411399bc20c519e9fc03b7a9864060f00064f8d2ab0144d15c3ad4ea41c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d2c7e411399bc20c519e9fc03b7a9864060f00064f8d2ab0144d15c3ad4ea41c", kill_on_drop: false }`
[INFO] [stdout] d2c7e411399bc20c519e9fc03b7a9864060f00064f8d2ab0144d15c3ad4ea41c