[INFO] fetching crate transaction-pool 2.0.3...
[INFO] checking transaction-pool-2.0.3 against master#ab869e094a907cc5d19b4080f22eccaf347f1f95 for pr-129604
[INFO] extracting crate transaction-pool 2.0.3 into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate transaction-pool 2.0.3 on toolchain ab869e094a907cc5d19b4080f22eccaf347f1f95
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "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-4-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 42 packages to latest compatible versions
[INFO] [stderr]       Adding arrayvec v0.5.2 (latest: v0.7.6)
[INFO] [stderr]       Adding bitvec v0.17.4 (latest: v1.0.1)
[INFO] [stderr]       Adding byte-slice-cast v0.3.5 (latest: v1.2.2)
[INFO] [stderr]       Adding ethbloom v0.9.2 (latest: v0.13.0)
[INFO] [stderr]       Adding ethereum-types v0.9.2 (latest: v0.14.1)
[INFO] [stderr]       Adding fixed-hash v0.6.1 (latest: v0.8.0)
[INFO] [stderr]       Adding getrandom v0.1.16 (latest: v0.2.15)
[INFO] [stderr]       Adding impl-codec v0.4.2 (latest: v0.6.0)
[INFO] [stderr]       Adding impl-rlp v0.2.1 (latest: v0.3.0)
[INFO] [stderr]       Adding impl-serde v0.3.2 (latest: v0.4.0)
[INFO] [stderr]       Adding parity-scale-codec v1.3.7 (latest: v3.6.12)
[INFO] [stderr]       Adding primitive-types v0.7.3 (latest: v0.12.2)
[INFO] [stderr]       Adding radium v0.3.0 (latest: v1.1.0)
[INFO] [stderr]       Adding rand v0.7.3 (latest: v0.8.5)
[INFO] [stderr]       Adding rand_chacha v0.2.2 (latest: v0.3.1)
[INFO] [stderr]       Adding rand_core v0.5.1 (latest: v0.6.4)
[INFO] [stderr]       Adding rand_hc v0.2.0 (latest: v0.3.2)
[INFO] [stderr]       Adding rlp v0.4.6 (latest: v0.5.2)
[INFO] [stderr]       Adding smallvec v0.6.14 (latest: v1.13.2)
[INFO] [stderr]       Adding uint v0.8.5 (latest: v0.9.5)
[INFO] [stderr]       Adding wasi v0.9.0+wasi-snapshot-preview1 (latest: v0.13.2+wasi-0.2.1)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded primitive-types v0.7.3
[INFO] [stderr]   Downloaded impl-codec v0.4.2
[INFO] [stderr]   Downloaded rlp v0.4.6
[INFO] [stderr]   Downloaded uint v0.8.5
[INFO] [stderr]   Downloaded impl-rlp v0.2.1
[INFO] [stderr]   Downloaded ethereum-types v0.9.2
[INFO] [stderr]   Downloaded trace-time v0.1.3
[INFO] [stderr]   Downloaded byte-slice-cast v0.3.5
[INFO] [stderr]   Downloaded ethbloom v0.9.2
[INFO] [stderr]   Downloaded fixed-hash v0.6.1
[INFO] [stderr]   Downloaded parity-scale-codec v1.3.7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b7ee366adce62c202b0001f6ee163d42c03bd373f25137226de77a81da139c53
[INFO] running `Command { std: "docker" "start" "-a" "b7ee366adce62c202b0001f6ee163d42c03bd373f25137226de77a81da139c53", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b7ee366adce62c202b0001f6ee163d42c03bd373f25137226de77a81da139c53", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b7ee366adce62c202b0001f6ee163d42c03bd373f25137226de77a81da139c53", kill_on_drop: false }`
[INFO] [stdout] b7ee366adce62c202b0001f6ee163d42c03bd373f25137226de77a81da139c53
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e6999565f11ba71c225e957604d9f1921fb94c767ea071890ebac96af51214a0
[INFO] running `Command { std: "docker" "start" "-a" "e6999565f11ba71c225e957604d9f1921fb94c767ea071890ebac96af51214a0", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v2.0.77
[INFO] [stderr]     Checking byteorder v1.5.0
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling serde v1.0.209
[INFO] [stderr]    Compiling crunchy v0.2.2
[INFO] [stderr]     Checking rustc-hex v2.1.0
[INFO] [stderr]     Checking radium v0.3.0
[INFO] [stderr]     Checking either v1.13.0
[INFO] [stderr]     Checking static_assertions v1.1.0
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]    Compiling tiny-keccak v2.0.2
[INFO] [stderr]     Checking arrayvec v0.5.2
[INFO] [stderr]     Checking byte-slice-cast v0.3.5
[INFO] [stderr]     Checking log v0.4.22
[INFO] [stderr]     Checking rlp v0.4.6
[INFO] [stderr]     Checking trace-time v0.1.3
[INFO] [stderr]     Checking impl-rlp v0.2.1
[INFO] [stderr]     Checking bitvec v0.17.4
[INFO] [stderr]     Checking uint v0.8.5
[INFO] [stderr]     Checking smallvec v0.6.14
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking transaction-pool v2.0.3 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling zerocopy-derive v0.7.35
[INFO] [stderr]     Checking zerocopy v0.7.35
[INFO] [stderr]     Checking impl-serde v0.3.2
[INFO] [stderr]     Checking parity-scale-codec v1.3.7
[INFO] [stderr]     Checking ppv-lite86 v0.2.20
[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 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: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 12.59s
[INFO] running `Command { std: "docker" "inspect" "e6999565f11ba71c225e957604d9f1921fb94c767ea071890ebac96af51214a0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e6999565f11ba71c225e957604d9f1921fb94c767ea071890ebac96af51214a0", kill_on_drop: false }`
[INFO] [stdout] e6999565f11ba71c225e957604d9f1921fb94c767ea071890ebac96af51214a0