[INFO] crate graft 0.1.0 is already in cache
[INFO] extracting crate graft 0.1.0 into work/ex/clippy-test-run/sources/stable/reg/graft/0.1.0
[INFO] extracting crate graft 0.1.0 into work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/graft/0.1.0
[INFO] validating manifest of graft-0.1.0 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 graft-0.1.0 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 graft-0.1.0
[INFO] finished frobbing graft-0.1.0
[INFO] frobbed toml for graft-0.1.0 written to work/ex/clippy-test-run/sources/stable/reg/graft/0.1.0/Cargo.toml
[INFO] started frobbing graft-0.1.0
[INFO] finished frobbing graft-0.1.0
[INFO] frobbed toml for graft-0.1.0 written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/graft/0.1.0/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 graft-0.1.0 against stable for clippy-test-run
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/clippy-test-run/worker-2/stable:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/clippy-test-run/sources/stable/reg/graft/0.1.0:/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] e8d5a589f5a8d8a0823c0331acaa9a0dc8ce715fbcb09d20d3cf91e990c65e63
[INFO] running `"docker" "start" "-a" "e8d5a589f5a8d8a0823c0331acaa9a0dc8ce715fbcb09d20d3cf91e990c65e63"`
[INFO] [stderr]     Checking comrak v0.3.1
[INFO] [stderr]     Checking graft v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: you seem to be trying to use match for destructuring a single pattern. Consider using `if let`
[INFO] [stderr]   --> src/context.rs:64:9
[INFO] [stderr]    |
[INFO] [stderr] 64 | /         match self.cache.borrow().get(key) {
[INFO] [stderr] 65 | |             Some(v) => match v {
[INFO] [stderr] 66 | |                 Some(v) => return Ok(v.to_string()),
[INFO] [stderr] 67 | |                 None => return Err(failure::err_msg("not found")),
[INFO] [stderr] 68 | |             },
[INFO] [stderr] 69 | |             None => {}
[INFO] [stderr] 70 | |         };
[INFO] [stderr]    | |_________^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::single_match)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_match
[INFO] [stderr] help: try this
[INFO] [stderr]    |
[INFO] [stderr] 64 |         if let Some(v) = self.cache.borrow().get(key) { match v {
[INFO] [stderr] 65 |     Some(v) => return Ok(v.to_string()),
[INFO] [stderr] 66 |     None => return Err(failure::err_msg("not found")),
[INFO] [stderr] 67 | } };
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: single-character string constant used as pattern
[INFO] [stderr]   --> src/section.rs:49:33
[INFO] [stderr]    |
[INFO] [stderr] 49 |             if part.starts_with("$") {
[INFO] [stderr]    |                                 ^^^ help: try using a char instead: `'$'`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::single_char_pattern)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_char_pattern
[INFO] [stderr] 
[INFO] [stderr] warning: single-character string constant used as pattern
[INFO] [stderr]   --> src/section.rs:54:33
[INFO] [stderr]    |
[INFO] [stderr] 54 |             if part.starts_with("@") {
[INFO] [stderr]    |                                 ^^^ help: try using a char instead: `'@'`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_char_pattern
[INFO] [stderr] 
[INFO] [stderr] warning: single-character string constant used as pattern
[INFO] [stderr]   --> src/section.rs:59:33
[INFO] [stderr]    |
[INFO] [stderr] 59 |             if part.starts_with("!") {
[INFO] [stderr]    |                                 ^^^ help: try using a char instead: `'!'`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_char_pattern
[INFO] [stderr] 
[INFO] [stderr] warning: single-character string constant used as pattern
[INFO] [stderr]   --> src/section.rs:69:33
[INFO] [stderr]    |
[INFO] [stderr] 69 |             if part.starts_with("~") {
[INFO] [stderr]    |                                 ^^^ help: try using a char instead: `'~'`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_char_pattern
[INFO] [stderr] 
[INFO] [stderr] warning: you seem to be trying to use match for destructuring a single pattern. Consider using `if let`
[INFO] [stderr]   --> src/context.rs:64:9
[INFO] [stderr]    |
[INFO] [stderr] 64 | /         match self.cache.borrow().get(key) {
[INFO] [stderr] 65 | |             Some(v) => match v {
[INFO] [stderr] 66 | |                 Some(v) => return Ok(v.to_string()),
[INFO] [stderr] 67 | |                 None => return Err(failure::err_msg("not found")),
[INFO] [stderr] 68 | |             },
[INFO] [stderr] 69 | |             None => {}
[INFO] [stderr] 70 | |         };
[INFO] [stderr]    | |_________^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::single_match)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_match
[INFO] [stderr] help: try this
[INFO] [stderr]    |
[INFO] [stderr] 64 |         if let Some(v) = self.cache.borrow().get(key) { match v {
[INFO] [stderr] 65 |     Some(v) => return Ok(v.to_string()),
[INFO] [stderr] 66 |     None => return Err(failure::err_msg("not found")),
[INFO] [stderr] 67 | } };
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: single-character string constant used as pattern
[INFO] [stderr]   --> src/section.rs:49:33
[INFO] [stderr]    |
[INFO] [stderr] 49 |             if part.starts_with("$") {
[INFO] [stderr]    |                                 ^^^ help: try using a char instead: `'$'`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::single_char_pattern)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_char_pattern
[INFO] [stderr] 
[INFO] [stderr] warning: single-character string constant used as pattern
[INFO] [stderr]   --> src/section.rs:54:33
[INFO] [stderr]    |
[INFO] [stderr] 54 |             if part.starts_with("@") {
[INFO] [stderr]    |                                 ^^^ help: try using a char instead: `'@'`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_char_pattern
[INFO] [stderr] 
[INFO] [stderr] warning: single-character string constant used as pattern
[INFO] [stderr]   --> src/section.rs:59:33
[INFO] [stderr]    |
[INFO] [stderr] 59 |             if part.starts_with("!") {
[INFO] [stderr]    |                                 ^^^ help: try using a char instead: `'!'`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_char_pattern
[INFO] [stderr] 
[INFO] [stderr] warning: single-character string constant used as pattern
[INFO] [stderr]   --> src/section.rs:69:33
[INFO] [stderr]    |
[INFO] [stderr] 69 |             if part.starts_with("~") {
[INFO] [stderr]    |                                 ^^^ help: try using a char instead: `'~'`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_char_pattern
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.31s
[INFO] running `"docker" "inspect" "e8d5a589f5a8d8a0823c0331acaa9a0dc8ce715fbcb09d20d3cf91e990c65e63"`
[INFO] running `"docker" "rm" "-f" "e8d5a589f5a8d8a0823c0331acaa9a0dc8ce715fbcb09d20d3cf91e990c65e63"`
[INFO] [stdout] e8d5a589f5a8d8a0823c0331acaa9a0dc8ce715fbcb09d20d3cf91e990c65e63