[INFO] fetching crate ethereum-tx-sign 6.1.2...
[INFO] checking ethereum-tx-sign-6.1.2 against master#af4a5a13a15fa0c60e06321077ef452f769b42fd for pr-122960-3
[INFO] extracting crate ethereum-tx-sign 6.1.2 into /workspace/builds/worker-5-tc1/source
[INFO] validating manifest of crates.io crate ethereum-tx-sign 6.1.2 on toolchain af4a5a13a15fa0c60e06321077ef452f769b42fd
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ethereum-tx-sign 6.1.2
[INFO] finished tweaking crates.io crate ethereum-tx-sign 6.1.2
[INFO] tweaked toml for crates.io crate ethereum-tx-sign 6.1.2 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 58 packages
[INFO] [stderr]       Adding proc-macro-crate v2.0.2 (latest: v3.1.0)
[INFO] [stderr]       Adding radium v0.7.0 (latest: v1.1.0)
[INFO] [stderr]       Adding secp256k1 v0.27.0 (latest: v0.28.2)
[INFO] [stderr]       Adding secp256k1-sys v0.8.1 (latest: v0.9.2)
[INFO] [stderr]       Adding syn v1.0.109 (latest: v2.0.57)
[INFO] [stderr]       Adding toml_datetime v0.6.3 (latest: v0.6.5)
[INFO] [stderr]       Adding toml_edit v0.20.2 (latest: v0.22.9)
[INFO] [stderr]       Adding wasi v0.11.0+wasi-snapshot-preview1 (latest: v0.13.0+wasi-0.2.0)
[INFO] [stderr]       Adding winnow v0.5.40 (latest: v0.6.5)
[INFO] [stderr]       Adding wyz v0.5.1 (latest: v0.6.1)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b65f9048548c4c7b9b6c689ca108a34e343569ed1351537b08b952ee12ff4e09
[INFO] running `Command { std: "docker" "start" "-a" "b65f9048548c4c7b9b6c689ca108a34e343569ed1351537b08b952ee12ff4e09", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b65f9048548c4c7b9b6c689ca108a34e343569ed1351537b08b952ee12ff4e09", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b65f9048548c4c7b9b6c689ca108a34e343569ed1351537b08b952ee12ff4e09", kill_on_drop: false }`
[INFO] [stdout] b65f9048548c4c7b9b6c689ca108a34e343569ed1351537b08b952ee12ff4e09
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f749da54c971e31a014566eb4a524f3acaf2467780c316776cbdee44c53847b3
[INFO] running `Command { std: "docker" "start" "-a" "f749da54c971e31a014566eb4a524f3acaf2467780c316776cbdee44c53847b3", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.153
[INFO] [stderr]    Compiling serde v1.0.197
[INFO] [stderr]    Compiling crunchy v0.2.2
[INFO] [stderr]     Checking rustc-hex v2.1.0
[INFO] [stderr]    Compiling tiny-keccak v2.0.2
[INFO] [stderr]     Checking byteorder v1.5.0
[INFO] [stderr]     Checking static_assertions v1.1.0
[INFO] [stderr]    Compiling secp256k1-sys v0.8.1
[INFO] [stderr]    Compiling num-traits v0.2.18
[INFO] [stderr]     Checking rlp v0.5.2
[INFO] [stderr]     Checking impl-rlp v0.3.0
[INFO] [stderr]     Checking uint v0.9.5
[INFO] [stderr]     Checking getrandom v0.2.12
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking fixed-hash v0.8.0
[INFO] [stderr]     Checking impl-serde v0.4.0
[INFO] [stderr]     Checking serde_json v1.0.115
[INFO] [stderr]     Checking ethbloom v0.13.0
[INFO] [stderr]     Checking primitive-types v0.12.2
[INFO] [stderr]     Checking secp256k1 v0.27.0
[INFO] [stderr]     Checking ethereum-tx-sign v6.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking ethereum-types v0.14.1
[INFO] [stdout] error: the item `serde_json` is imported redundantly
[INFO] [stdout]    --> src/lib.rs:569:9
[INFO] [stdout]     |
[INFO] [stdout] 16  | extern crate serde_json;
[INFO] [stdout]     | ------------------------ the item `serde_json` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 569 |     use serde_json;
[INFO] [stdout]     |         ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]    --> src/lib.rs:1:9
[INFO] [stdout]     |
[INFO] [stdout] 1   | #![deny(warnings)]
[INFO] [stdout]     |         ^^^^^^^^
[INFO] [stdout]     = note: `#[deny(unused_imports)]` implied by `#[deny(warnings)]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `ethereum-tx-sign` (lib test) due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "f749da54c971e31a014566eb4a524f3acaf2467780c316776cbdee44c53847b3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f749da54c971e31a014566eb4a524f3acaf2467780c316776cbdee44c53847b3", kill_on_drop: false }`
[INFO] [stdout] f749da54c971e31a014566eb4a524f3acaf2467780c316776cbdee44c53847b3