[INFO] fetching crate ethereum-tx-sign 6.1.2...
[INFO] checking ethereum-tx-sign-6.1.2 against master#b0696a5160711c068cb1f01b7437db7990d15750 for pr-121848
[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 b0696a5160711c068cb1f01b7437db7990d15750
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b0696a5160711c068cb1f01b7437db7990d15750" "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" "+b0696a5160711c068cb1f01b7437db7990d15750" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b0696a5160711c068cb1f01b7437db7990d15750" "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" "+b0696a5160711c068cb1f01b7437db7990d15750" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5a2f1411225ef51cc34ea0487570fa3a87bd524ee8c68d45aded477c02155bc0
[INFO] running `Command { std: "docker" "start" "-a" "5a2f1411225ef51cc34ea0487570fa3a87bd524ee8c68d45aded477c02155bc0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5a2f1411225ef51cc34ea0487570fa3a87bd524ee8c68d45aded477c02155bc0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5a2f1411225ef51cc34ea0487570fa3a87bd524ee8c68d45aded477c02155bc0", kill_on_drop: false }`
[INFO] [stdout] 5a2f1411225ef51cc34ea0487570fa3a87bd524ee8c68d45aded477c02155bc0
[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" "+b0696a5160711c068cb1f01b7437db7990d15750" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 315e386746635851f94dc8ccd95ea06bb7922985d961775521ca449d3912a6a3
[INFO] running `Command { std: "docker" "start" "-a" "315e386746635851f94dc8ccd95ea06bb7922985d961775521ca449d3912a6a3", kill_on_drop: false }`
[INFO] [stderr]    Compiling crunchy v0.2.2
[INFO] [stderr]    Compiling serde v1.0.197
[INFO] [stderr]     Checking rustc-hex v2.1.0
[INFO] [stderr]     Checking byteorder v1.5.0
[INFO] [stderr]     Checking getrandom v0.2.12
[INFO] [stderr]    Compiling tiny-keccak v2.0.2
[INFO] [stderr]    Compiling secp256k1-sys v0.8.1
[INFO] [stderr]    Compiling syn v2.0.52
[INFO] [stderr]     Checking rlp v0.5.2
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking impl-rlp v0.3.0
[INFO] [stderr]     Checking uint v0.9.5
[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]    Compiling serde_derive v1.0.197
[INFO] [stderr]     Checking impl-serde v0.4.0
[INFO] [stderr]     Checking serde_json v1.0.114
[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-types v0.14.1
[INFO] [stderr]     Checking ethereum-tx-sign v6.1.2 (/opt/rustwide/workdir)
[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" "315e386746635851f94dc8ccd95ea06bb7922985d961775521ca449d3912a6a3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "315e386746635851f94dc8ccd95ea06bb7922985d961775521ca449d3912a6a3", kill_on_drop: false }`
[INFO] [stdout] 315e386746635851f94dc8ccd95ea06bb7922985d961775521ca449d3912a6a3
[INFO] checking ethereum-tx-sign-6.1.2 against try#bfe97fcae016881ad333f0ff8cea2cadb9cf136c for pr-121848
[INFO] extracting crate ethereum-tx-sign 6.1.2 into /workspace/builds/worker-5-tc2/source
[INFO] validating manifest of crates.io crate ethereum-tx-sign 6.1.2 on toolchain bfe97fcae016881ad333f0ff8cea2cadb9cf136c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+bfe97fcae016881ad333f0ff8cea2cadb9cf136c" "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-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+bfe97fcae016881ad333f0ff8cea2cadb9cf136c" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+bfe97fcae016881ad333f0ff8cea2cadb9cf136c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+bfe97fcae016881ad333f0ff8cea2cadb9cf136c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 641e281ff3c0d6056c2b2432ac1ce8eb14717906dc44cccc2ffb62a0d023d112
[INFO] running `Command { std: "docker" "start" "-a" "641e281ff3c0d6056c2b2432ac1ce8eb14717906dc44cccc2ffb62a0d023d112", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "641e281ff3c0d6056c2b2432ac1ce8eb14717906dc44cccc2ffb62a0d023d112", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "641e281ff3c0d6056c2b2432ac1ce8eb14717906dc44cccc2ffb62a0d023d112", kill_on_drop: false }`
[INFO] [stdout] 641e281ff3c0d6056c2b2432ac1ce8eb14717906dc44cccc2ffb62a0d023d112
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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" "-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" "+bfe97fcae016881ad333f0ff8cea2cadb9cf136c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] dda7d0855e54703f75d5d760f570f1e590752fac9c1dd8f7634173a4b346a58f
[INFO] running `Command { std: "docker" "start" "-a" "dda7d0855e54703f75d5d760f570f1e590752fac9c1dd8f7634173a4b346a58f", kill_on_drop: false }`
[INFO] [stderr]    Compiling crunchy v0.2.2
[INFO] [stderr]    Compiling serde v1.0.197
[INFO] [stderr]     Checking getrandom v0.2.12
[INFO] [stderr]     Checking rustc-hex v2.1.0
[INFO] [stderr]     Checking byteorder v1.5.0
[INFO] [stderr]    Compiling tiny-keccak v2.0.2
[INFO] [stderr]    Compiling secp256k1-sys v0.8.1
[INFO] [stderr]    Compiling syn v2.0.52
[INFO] [stderr]     Checking rlp v0.5.2
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking impl-rlp v0.3.0
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking uint v0.9.5
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking fixed-hash v0.8.0
[INFO] [stderr]    Compiling serde_derive v1.0.197
[INFO] [stderr]     Checking impl-serde v0.4.0
[INFO] [stderr]     Checking serde_json v1.0.114
[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-types v0.14.1
[INFO] [stderr]     Checking ethereum-tx-sign v6.1.2 (/opt/rustwide/workdir)
[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" "dda7d0855e54703f75d5d760f570f1e590752fac9c1dd8f7634173a4b346a58f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dda7d0855e54703f75d5d760f570f1e590752fac9c1dd8f7634173a4b346a58f", kill_on_drop: false }`
[INFO] [stdout] dda7d0855e54703f75d5d760f570f1e590752fac9c1dd8f7634173a4b346a58f
