[INFO] crate tc_trufflesuite_ganachecli 0.3.1 is already in cache [INFO] extracting crate tc_trufflesuite_ganachecli 0.3.1 into work/ex/clippy-test-run/sources/stable/reg/tc_trufflesuite_ganachecli/0.3.1 [INFO] extracting crate tc_trufflesuite_ganachecli 0.3.1 into work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/tc_trufflesuite_ganachecli/0.3.1 [INFO] validating manifest of tc_trufflesuite_ganachecli-0.3.1 on toolchain stable [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of tc_trufflesuite_ganachecli-0.3.1 on toolchain stable+rustflags=-Dclippy::into_iter_on_array [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started frobbing tc_trufflesuite_ganachecli-0.3.1 [INFO] finished frobbing tc_trufflesuite_ganachecli-0.3.1 [INFO] frobbed toml for tc_trufflesuite_ganachecli-0.3.1 written to work/ex/clippy-test-run/sources/stable/reg/tc_trufflesuite_ganachecli/0.3.1/Cargo.toml [INFO] started frobbing tc_trufflesuite_ganachecli-0.3.1 [INFO] finished frobbing tc_trufflesuite_ganachecli-0.3.1 [INFO] frobbed toml for tc_trufflesuite_ganachecli-0.3.1 written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/tc_trufflesuite_ganachecli/0.3.1/Cargo.toml [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] linting tc_trufflesuite_ganachecli-0.3.1 against stable for clippy-test-run [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/clippy-test-run/worker-0/stable:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/clippy-test-run/sources/stable/reg/tc_trufflesuite_ganachecli/0.3.1:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+stable" "clippy" "--frozen" "--all" "--all-targets"` [INFO] [stdout] 5c826b760134fc91370c208b77e1494dbf1c020aef04e07e3d0a5b6c33f897e5 [INFO] running `"docker" "start" "-a" "5c826b760134fc91370c208b77e1494dbf1c020aef04e07e3d0a5b6c33f897e5"` [INFO] [stderr] Checking rustc-hex v2.0.1 [INFO] [stderr] Checking base64 v0.6.0 [INFO] [stderr] Checking ethereum-types-serialize v0.2.1 [INFO] [stderr] Checking tc_core v0.2.0 [INFO] [stderr] Checking jsonrpc-core v8.0.1 [INFO] [stderr] Checking tokio-proto v0.1.1 [INFO] [stderr] Checking tokio-uds v0.1.7 [INFO] [stderr] Checking fixed-hash v0.2.5 [INFO] [stderr] Checking uint v0.4.1 [INFO] [stderr] Checking websocket v0.20.4 [INFO] [stderr] Checking tc_trufflesuite_ganachecli v0.3.1 (/opt/crater/workdir) [INFO] [stderr] Checking ethbloom v0.5.0 [INFO] [stderr] warning: useless use of `format!` [INFO] [stderr] --> src/image.rs:44:23 [INFO] [stderr] | [INFO] [stderr] 44 | args.push(format!("{}", self.mnemonic)); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider using .to_string(): `self.mnemonic.to_string()` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(clippy::useless_format)] on by default [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_format [INFO] [stderr] = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] Checking ethereum-types v0.4.0 [INFO] [stderr] Checking hyper v0.11.27 [INFO] [stderr] Checking ethabi v6.1.0 [INFO] [stderr] Checking hyper-tls v0.1.4 [INFO] [stderr] Checking web3 v0.4.0 [INFO] [stderr] warning: useless use of `format!` [INFO] [stderr] --> src/image.rs:44:23 [INFO] [stderr] | [INFO] [stderr] 44 | args.push(format!("{}", self.mnemonic)); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider using .to_string(): `self.mnemonic.to_string()` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(clippy::useless_format)] on by default [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_format [INFO] [stderr] = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 42.24s [INFO] running `"docker" "inspect" "5c826b760134fc91370c208b77e1494dbf1c020aef04e07e3d0a5b6c33f897e5"` [INFO] running `"docker" "rm" "-f" "5c826b760134fc91370c208b77e1494dbf1c020aef04e07e3d0a5b6c33f897e5"` [INFO] [stdout] 5c826b760134fc91370c208b77e1494dbf1c020aef04e07e3d0a5b6c33f897e5