[INFO] updating cached repository RCasatta/authenticated_tree
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/RCasatta/authenticated_tree
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/RCasatta/authenticated_tree" "work/ex/clippy-test-run/sources/stable/gh/RCasatta/authenticated_tree"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable/gh/RCasatta/authenticated_tree'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/RCasatta/authenticated_tree" "work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/RCasatta/authenticated_tree"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/RCasatta/authenticated_tree'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] d991bcb2e97dc0613539b8ef896d50e601bdbde1
[INFO] sha for GitHub repo RCasatta/authenticated_tree: d991bcb2e97dc0613539b8ef896d50e601bdbde1
[INFO] validating manifest of RCasatta/authenticated_tree 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 RCasatta/authenticated_tree 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 RCasatta/authenticated_tree
[INFO] finished frobbing RCasatta/authenticated_tree
[INFO] frobbed toml for RCasatta/authenticated_tree written to work/ex/clippy-test-run/sources/stable/gh/RCasatta/authenticated_tree/Cargo.toml
[INFO] started frobbing RCasatta/authenticated_tree
[INFO] finished frobbing RCasatta/authenticated_tree
[INFO] frobbed toml for RCasatta/authenticated_tree written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/RCasatta/authenticated_tree/Cargo.toml
[INFO] crate RCasatta/authenticated_tree 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] linting RCasatta/authenticated_tree against stable for clippy-test-run
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/clippy-test-run/worker-1/stable:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/clippy-test-run/sources/stable/gh/RCasatta/authenticated_tree:/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] d7e995073794c6c46a2288915a57fc7dc4dc1b2c42cd9dba615e74408f9495da
[INFO] running `"docker" "start" "-a" "d7e995073794c6c46a2288915a57fc7dc4dc1b2c42cd9dba615e74408f9495da"`
[INFO] [stderr]     Checking rand v0.5.2
[INFO] [stderr]     Checking authenticated_tree v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]   --> src/main.rs:62:13
[INFO] [stderr]    |
[INFO] [stderr] 62 |             remaining_key: remaining_key,
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `remaining_key`
[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:63:13
[INFO] [stderr]    |
[INFO] [stderr] 63 |             value: value,
[INFO] [stderr]    |             ^^^^^^^^^^^^ help: replace it with: `value`
[INFO] [stderr]    |
[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:62:13
[INFO] [stderr]    |
[INFO] [stderr] 62 |             remaining_key: remaining_key,
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `remaining_key`
[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:63:13
[INFO] [stderr]    |
[INFO] [stderr] 63 |             value: value,
[INFO] [stderr]    |             ^^^^^^^^^^^^ help: replace it with: `value`
[INFO] [stderr]    |
[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: method is never used: `update`
[INFO] [stderr]   --> src/main.rs:54:5
[INFO] [stderr]    |
[INFO] [stderr] 54 |     fn update(&mut self) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `hash`
[INFO] [stderr]    --> src/main.rs:238:5
[INFO] [stderr]     |
[INFO] [stderr] 238 |     pub fn hash(&self) -> Sha256Hash {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `update`
[INFO] [stderr]   --> src/main.rs:54:5
[INFO] [stderr]    |
[INFO] [stderr] 54 |     fn update(&mut self) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `hash`
[INFO] [stderr]    --> src/main.rs:238:5
[INFO] [stderr]     |
[INFO] [stderr] 238 |     pub fn hash(&self) -> Sha256Hash {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: calling `as_bytes()` on a string literal
[INFO] [stderr]    --> src/main.rs:350:33
[INFO] [stderr]     |
[INFO] [stderr] 350 |         let b = HEXLOWER.decode("f5c058ec832bd6b8e5cb6f1bcdb60dfdcb44d397ba9f95d18a79cd0db92e4dc1".as_bytes()).unwrap();
[INFO] [stderr]     |                                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider using a byte string literal instead: `b"f5c058ec832bd6b8e5cb6f1bcdb60dfdcb44d397ba9f95d18a79cd0db92e4dc1"`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::string_lit_as_bytes)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#string_lit_as_bytes
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.53s
[INFO] running `"docker" "inspect" "d7e995073794c6c46a2288915a57fc7dc4dc1b2c42cd9dba615e74408f9495da"`
[INFO] running `"docker" "rm" "-f" "d7e995073794c6c46a2288915a57fc7dc4dc1b2c42cd9dba615e74408f9495da"`
[INFO] [stdout] d7e995073794c6c46a2288915a57fc7dc4dc1b2c42cd9dba615e74408f9495da