[INFO] updating cached repository instagibbs/backoutmasterkey
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/instagibbs/backoutmasterkey
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/instagibbs/backoutmasterkey" "work/ex/clippy-test-run/sources/stable/gh/instagibbs/backoutmasterkey"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable/gh/instagibbs/backoutmasterkey'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/instagibbs/backoutmasterkey" "work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/instagibbs/backoutmasterkey"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/instagibbs/backoutmasterkey'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 52f5bbfd2e4243f7f0b3fb5e4612db7fc7d618f0
[INFO] sha for GitHub repo instagibbs/backoutmasterkey: 52f5bbfd2e4243f7f0b3fb5e4612db7fc7d618f0
[INFO] validating manifest of instagibbs/backoutmasterkey 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 instagibbs/backoutmasterkey 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 instagibbs/backoutmasterkey
[INFO] finished frobbing instagibbs/backoutmasterkey
[INFO] frobbed toml for instagibbs/backoutmasterkey written to work/ex/clippy-test-run/sources/stable/gh/instagibbs/backoutmasterkey/Cargo.toml
[INFO] started frobbing instagibbs/backoutmasterkey
[INFO] finished frobbing instagibbs/backoutmasterkey
[INFO] frobbed toml for instagibbs/backoutmasterkey written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/instagibbs/backoutmasterkey/Cargo.toml
[INFO] crate instagibbs/backoutmasterkey has a lockfile. skipping
[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] [stderr]     Blocking waiting for file lock on the registry index
[INFO] [stderr]     Blocking waiting for file lock on the registry index
[INFO] linting instagibbs/backoutmasterkey against stable for clippy-test-run
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/clippy-test-run/worker-5/stable:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/clippy-test-run/sources/stable/gh/instagibbs/backoutmasterkey:/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] 0486df3fcc47e0aff080abdd9d4c3fda1f0b778c3293398f21c7f723c0937b6e
[INFO] running `"docker" "start" "-a" "0486df3fcc47e0aff080abdd9d4c3fda1f0b778c3293398f21c7f723c0937b6e"`
[INFO] [stderr]    Compiling secp256k1 v0.6.3
[INFO] [stderr]     Checking arrayvec v0.3.25
[INFO] [stderr]    Compiling hex-literal-impl v0.1.0
[INFO] [stderr]     Checking rust-crypto v0.2.36
[INFO] [stderr]     Checking cookie v0.2.5
[INFO] [stderr]     Checking serde v0.6.15
[INFO] [stderr]     Checking hyper v0.9.18
[INFO] [stderr]     Checking hex-literal v0.1.0
[INFO] [stderr]     Checking serde_json v0.6.1
[INFO] [stderr]     Checking strason v0.3.4
[INFO] [stderr]     Checking jsonrpc v0.8.0
[INFO] [stderr]     Checking bitcoin v0.10.6
[INFO] [stderr]     Checking backoutmasterkey v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]   --> src/main.rs:48:187
[INFO] [stderr]    |
[INFO] [stderr] 48 |     let xprv = bip32::ExtendedPrivKey {chain_code: extpub_result.chain_code, child_number: bip32::ChildNumber::Normal(0), depth: 0, parent_fingerprint: finger, secret_key: child_secret, network: network};
[INFO] [stderr]    |                                                                                                                                                                                           ^^^^^^^^^^^^^^^^ help: replace it with: `network`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::redundant_field_names)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]   --> src/main.rs:48:187
[INFO] [stderr]    |
[INFO] [stderr] 48 |     let xprv = bip32::ExtendedPrivKey {chain_code: extpub_result.chain_code, child_number: bip32::ChildNumber::Normal(0), depth: 0, parent_fingerprint: finger, secret_key: child_secret, network: network};
[INFO] [stderr]    |                                                                                                                                                                                           ^^^^^^^^^^^^^^^^ help: replace it with: `network`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::redundant_field_names)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/main.rs:38:5
[INFO] [stderr]    |
[INFO] [stderr] 38 |     child_tweak.mul_assign(&ctx, &minusone_key);
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_must_use)] on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: using `clone` on a `Copy` type
[INFO] [stderr]   --> src/main.rs:42:28
[INFO] [stderr]    |
[INFO] [stderr] 42 |     let mut child_secret = child_key.secret_key().clone();
[INFO] [stderr]    |                            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try dereferencing it: `*child_key.secret_key()`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::clone_on_copy)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#clone_on_copy
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/main.rs:43:5
[INFO] [stderr]    |
[INFO] [stderr] 43 |     child_secret.add_assign(&ctx, &child_tweak);
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/main.rs:38:5
[INFO] [stderr]    |
[INFO] [stderr] 38 |     child_tweak.mul_assign(&ctx, &minusone_key);
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_must_use)] on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: using `clone` on a `Copy` type
[INFO] [stderr]   --> src/main.rs:42:28
[INFO] [stderr]    |
[INFO] [stderr] 42 |     let mut child_secret = child_key.secret_key().clone();
[INFO] [stderr]    |                            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try dereferencing it: `*child_key.secret_key()`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::clone_on_copy)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#clone_on_copy
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/main.rs:43:5
[INFO] [stderr]    |
[INFO] [stderr] 43 |     child_secret.add_assign(&ctx, &child_tweak);
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 23.14s
[INFO] running `"docker" "inspect" "0486df3fcc47e0aff080abdd9d4c3fda1f0b778c3293398f21c7f723c0937b6e"`
[INFO] running `"docker" "rm" "-f" "0486df3fcc47e0aff080abdd9d4c3fda1f0b778c3293398f21c7f723c0937b6e"`
[INFO] [stdout] 0486df3fcc47e0aff080abdd9d4c3fda1f0b778c3293398f21c7f723c0937b6e