[INFO] fetching crate transaction-pool 2.0.3...
[INFO] checking transaction-pool-2.0.3 against master#db0e836148accac8a22532e3596ac612b63c2d8e for pr-139272
[INFO] extracting crate transaction-pool 2.0.3 into /workspace/builds/worker-6-tc1/source
[INFO] validating manifest of crates.io crate transaction-pool 2.0.3 on toolchain db0e836148accac8a22532e3596ac612b63c2d8e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+db0e836148accac8a22532e3596ac612b63c2d8e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate transaction-pool 2.0.3
[INFO] finished tweaking crates.io crate transaction-pool 2.0.3
[INFO] tweaked toml for crates.io crate transaction-pool 2.0.3 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+db0e836148accac8a22532e3596ac612b63c2d8e" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 41 packages to latest compatible versions
[INFO] [stderr]       Adding ethereum-types v0.9.2 (available: v0.15.1)
[INFO] [stderr]       Adding smallvec v0.6.14 (available: v1.15.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+db0e836148accac8a22532e3596ac612b63c2d8e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded ethbloom v0.9.2
[INFO] [stderr]   Downloaded ethereum-types v0.9.2
[INFO] [stderr]   Downloaded impl-rlp v0.2.1
[INFO] [stderr]   Downloaded trace-time v0.1.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+db0e836148accac8a22532e3596ac612b63c2d8e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6478b94ed2e66d9fd86eefd57ba7d36f329b50dc10f3e7839157e21e3007cae6
[INFO] running `Command { std: "docker" "start" "-a" "6478b94ed2e66d9fd86eefd57ba7d36f329b50dc10f3e7839157e21e3007cae6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6478b94ed2e66d9fd86eefd57ba7d36f329b50dc10f3e7839157e21e3007cae6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6478b94ed2e66d9fd86eefd57ba7d36f329b50dc10f3e7839157e21e3007cae6", kill_on_drop: false }`
[INFO] [stdout] 6478b94ed2e66d9fd86eefd57ba7d36f329b50dc10f3e7839157e21e3007cae6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+db0e836148accac8a22532e3596ac612b63c2d8e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 715ebcde8c1e64e33631d2a6067b38d9f6a9cf9264f4ba7f502f2fdb24a032f9
[INFO] running `Command { std: "docker" "start" "-a" "715ebcde8c1e64e33631d2a6067b38d9f6a9cf9264f4ba7f502f2fdb24a032f9", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.172
[INFO] [stderr]    Compiling serde v1.0.219
[INFO] [stderr]    Compiling crunchy v0.2.3
[INFO] [stderr]     Checking rustc-hex v2.1.0
[INFO] [stderr]     Checking radium v0.3.0
[INFO] [stderr]     Checking byteorder v1.5.0
[INFO] [stderr]     Checking either v1.15.0
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]     Checking arrayvec v0.5.2
[INFO] [stderr]    Compiling tiny-keccak v2.0.2
[INFO] [stderr]     Checking byte-slice-cast v0.3.5
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]     Checking trace-time v0.1.3
[INFO] [stderr]     Checking rlp v0.4.6
[INFO] [stderr]     Checking bitvec v0.17.4
[INFO] [stderr]     Checking uint v0.8.5
[INFO] [stderr]     Checking smallvec v0.6.14
[INFO] [stderr]     Checking impl-rlp v0.2.1
[INFO] [stderr]     Checking transaction-pool v2.0.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking fixed-hash v0.6.1
[INFO] [stderr]     Checking impl-serde v0.3.2
[INFO] [stderr]     Checking parity-scale-codec v1.3.7
[INFO] [stderr]     Checking ethbloom v0.9.2
[INFO] [stderr]     Checking impl-codec v0.4.2
[INFO] [stderr]     Checking primitive-types v0.7.3
[INFO] [stderr]     Checking ethereum-types v0.9.2
[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] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 11.54s
[INFO] running `Command { std: "docker" "inspect" "715ebcde8c1e64e33631d2a6067b38d9f6a9cf9264f4ba7f502f2fdb24a032f9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "715ebcde8c1e64e33631d2a6067b38d9f6a9cf9264f4ba7f502f2fdb24a032f9", kill_on_drop: false }`
[INFO] [stdout] 715ebcde8c1e64e33631d2a6067b38d9f6a9cf9264f4ba7f502f2fdb24a032f9