[INFO] crate minipre 0.2.0 is already in cache
[INFO] extracting crate minipre 0.2.0 into work/ex/clippy-test-run/sources/stable/reg/minipre/0.2.0
[INFO] extracting crate minipre 0.2.0 into work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/minipre/0.2.0
[INFO] validating manifest of minipre-0.2.0 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 minipre-0.2.0 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 minipre-0.2.0
[INFO] finished frobbing minipre-0.2.0
[INFO] frobbed toml for minipre-0.2.0 written to work/ex/clippy-test-run/sources/stable/reg/minipre/0.2.0/Cargo.toml
[INFO] started frobbing minipre-0.2.0
[INFO] finished frobbing minipre-0.2.0
[INFO] frobbed toml for minipre-0.2.0 written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/minipre/0.2.0/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 minipre-0.2.0 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/minipre/0.2.0:/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] e54476050aefa07d294f574c48d364a52d4f55eea5c9a6908606eba616ea7d3c
[INFO] running `"docker" "start" "-a" "e54476050aefa07d294f574c48d364a52d4f55eea5c9a6908606eba616ea7d3c"`
[INFO] [stderr]     Checking minipre v0.2.0 (/opt/crater/workdir)
[INFO] [stderr] warning: you don't need to add `&` to all patterns
[INFO] [stderr]   --> src/lib.rs:25:9
[INFO] [stderr]    |
[INFO] [stderr] 25 | /         match self {
[INFO] [stderr] 26 | |             &Error::Io(ref e) => e.fmt(f),
[INFO] [stderr] 27 | |             &Error::Syntax { msg, line } => write!(f, "{} on line {}", msg, line)
[INFO] [stderr] 28 | |         }
[INFO] [stderr]    | |_________^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::match_ref_pats)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#match_ref_pats
[INFO] [stderr] help: instead of prefixing all patterns with `&`, you can dereference the expression
[INFO] [stderr]    |
[INFO] [stderr] 25 |         match *self {
[INFO] [stderr] 26 |             Error::Io(ref e) => e.fmt(f),
[INFO] [stderr] 27 |             Error::Syntax { msg, line } => write!(f, "{} on line {}", msg, line)
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: you don't need to add `&` to all patterns
[INFO] [stderr]   --> src/lib.rs:34:9
[INFO] [stderr]    |
[INFO] [stderr] 34 | /         match self {
[INFO] [stderr] 35 | |             &Error::Io(ref e) => e.description(),
[INFO] [stderr] 36 | |             &Error::Syntax { msg, .. } => msg
[INFO] [stderr] 37 | |         }
[INFO] [stderr]    | |_________^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#match_ref_pats
[INFO] [stderr] help: instead of prefixing all patterns with `&`, you can dereference the expression
[INFO] [stderr]    |
[INFO] [stderr] 34 |         match *self {
[INFO] [stderr] 35 |             Error::Io(ref e) => e.description(),
[INFO] [stderr] 36 |             Error::Syntax { msg, .. } => msg
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: you don't need to add `&` to all patterns
[INFO] [stderr]   --> src/lib.rs:40:9
[INFO] [stderr]    |
[INFO] [stderr] 40 | /         match self {
[INFO] [stderr] 41 | |             &Error::Io(ref e) => Some(e),
[INFO] [stderr] 42 | |             &Error::Syntax { .. } => None
[INFO] [stderr] 43 | |         }
[INFO] [stderr]    | |_________^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#match_ref_pats
[INFO] [stderr] help: instead of prefixing all patterns with `&`, you can dereference the expression
[INFO] [stderr]    |
[INFO] [stderr] 40 |         match *self {
[INFO] [stderr] 41 |             Error::Io(ref e) => Some(e),
[INFO] [stderr] 42 |             Error::Syntax { .. } => None
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: you should consider deriving a `Default` implementation for `Context`
[INFO] [stderr]   --> src/lib.rs:54:5
[INFO] [stderr]    |
[INFO] [stderr] 54 | /     pub fn new() -> Self {
[INFO] [stderr] 55 | |         Context {
[INFO] [stderr] 56 | |             defs: BTreeMap::new()
[INFO] [stderr] 57 | |         }
[INFO] [stderr] 58 | |     }
[INFO] [stderr]    | |_____^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::new_without_default_derive)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#new_without_default_derive
[INFO] [stderr] help: try this
[INFO] [stderr]    |
[INFO] [stderr] 10 | #[derive(Default)]
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: use of `unwrap_or` followed by a function call
[INFO] [stderr]   --> src/lib.rs:89:81
[INFO] [stderr]    |
[INFO] [stderr] 89 |         let index = expr.find(|c: char| !c.is_ascii_alphanumeric() && c != '_').unwrap_or(expr.len());
[INFO] [stderr]    |                                                                                 ^^^^^^^^^^^^^^^^^^^^^ help: try this: `unwrap_or_else(|| expr.len())`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::or_fun_call)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#or_fun_call
[INFO] [stderr] 
[INFO] [stderr] warning: single-character string constant used as pattern
[INFO] [stderr]    --> src/lib.rs:108:32
[INFO] [stderr]     |
[INFO] [stderr] 108 |         while expr.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/lib.rs:169:35
[INFO] [stderr]     |
[INFO] [stderr] 169 |             if substr.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/lib.rs:170:82
[INFO] [stderr]     |
[INFO] [stderr] 170 |                 let mut parts = substr.splitn(2, "//").next().unwrap().splitn(2, " ");
[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 don't need to add `&` to all patterns
[INFO] [stderr]   --> src/lib.rs:25:9
[INFO] [stderr]    |
[INFO] [stderr] 25 | /         match self {
[INFO] [stderr] 26 | |             &Error::Io(ref e) => e.fmt(f),
[INFO] [stderr] 27 | |             &Error::Syntax { msg, line } => write!(f, "{} on line {}", msg, line)
[INFO] [stderr] 28 | |         }
[INFO] [stderr]    | |_________^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::match_ref_pats)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#match_ref_pats
[INFO] [stderr] help: instead of prefixing all patterns with `&`, you can dereference the expression
[INFO] [stderr]    |
[INFO] [stderr] 25 |         match *self {
[INFO] [stderr] 26 |             Error::Io(ref e) => e.fmt(f),
[INFO] [stderr] 27 |             Error::Syntax { msg, line } => write!(f, "{} on line {}", msg, line)
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: you don't need to add `&` to all patterns
[INFO] [stderr]   --> src/lib.rs:34:9
[INFO] [stderr]    |
[INFO] [stderr] 34 | /         match self {
[INFO] [stderr] 35 | |             &Error::Io(ref e) => e.description(),
[INFO] [stderr] 36 | |             &Error::Syntax { msg, .. } => msg
[INFO] [stderr] 37 | |         }
[INFO] [stderr]    | |_________^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#match_ref_pats
[INFO] [stderr] help: instead of prefixing all patterns with `&`, you can dereference the expression
[INFO] [stderr]    |
[INFO] [stderr] 34 |         match *self {
[INFO] [stderr] 35 |             Error::Io(ref e) => e.description(),
[INFO] [stderr] 36 |             Error::Syntax { msg, .. } => msg
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: you don't need to add `&` to all patterns
[INFO] [stderr]   --> src/lib.rs:40:9
[INFO] [stderr]    |
[INFO] [stderr] 40 | /         match self {
[INFO] [stderr] 41 | |             &Error::Io(ref e) => Some(e),
[INFO] [stderr] 42 | |             &Error::Syntax { .. } => None
[INFO] [stderr] 43 | |         }
[INFO] [stderr]    | |_________^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#match_ref_pats
[INFO] [stderr] help: instead of prefixing all patterns with `&`, you can dereference the expression
[INFO] [stderr]    |
[INFO] [stderr] 40 |         match *self {
[INFO] [stderr] 41 |             Error::Io(ref e) => Some(e),
[INFO] [stderr] 42 |             Error::Syntax { .. } => None
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: you should consider deriving a `Default` implementation for `Context`
[INFO] [stderr]   --> src/lib.rs:54:5
[INFO] [stderr]    |
[INFO] [stderr] 54 | /     pub fn new() -> Self {
[INFO] [stderr] 55 | |         Context {
[INFO] [stderr] 56 | |             defs: BTreeMap::new()
[INFO] [stderr] 57 | |         }
[INFO] [stderr] 58 | |     }
[INFO] [stderr]    | |_____^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::new_without_default_derive)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#new_without_default_derive
[INFO] [stderr] help: try this
[INFO] [stderr]    |
[INFO] [stderr] 10 | #[derive(Default)]
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: use of `unwrap_or` followed by a function call
[INFO] [stderr]   --> src/lib.rs:89:81
[INFO] [stderr]    |
[INFO] [stderr] 89 |         let index = expr.find(|c: char| !c.is_ascii_alphanumeric() && c != '_').unwrap_or(expr.len());
[INFO] [stderr]    |                                                                                 ^^^^^^^^^^^^^^^^^^^^^ help: try this: `unwrap_or_else(|| expr.len())`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::or_fun_call)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#or_fun_call
[INFO] [stderr] 
[INFO] [stderr] warning: single-character string constant used as pattern
[INFO] [stderr]    --> src/lib.rs:108:32
[INFO] [stderr]     |
[INFO] [stderr] 108 |         while expr.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/lib.rs:169:35
[INFO] [stderr]     |
[INFO] [stderr] 169 |             if substr.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/lib.rs:170:82
[INFO] [stderr]     |
[INFO] [stderr] 170 |                 let mut parts = substr.splitn(2, "//").next().unwrap().splitn(2, " ");
[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 1.74s
[INFO] running `"docker" "inspect" "e54476050aefa07d294f574c48d364a52d4f55eea5c9a6908606eba616ea7d3c"`
[INFO] running `"docker" "rm" "-f" "e54476050aefa07d294f574c48d364a52d4f55eea5c9a6908606eba616ea7d3c"`
[INFO] [stdout] e54476050aefa07d294f574c48d364a52d4f55eea5c9a6908606eba616ea7d3c