[INFO] fetching crate nastran 0.0.1...
[INFO] checking nastran-0.0.1 against master#a609fb45efad59dfd459c76e50899be9f0583b5a for pr-80579
[INFO] extracting crate nastran 0.0.1 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate nastran 0.0.1 on toolchain a609fb45efad59dfd459c76e50899be9f0583b5a
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate nastran 0.0.1
[INFO] finished tweaking crates.io crate nastran 0.0.1
[INFO] tweaked toml for crates.io crate nastran 0.0.1 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a5658749f72abd530cfb2130e9fa95790133d71926b08c5d6e5c9b6fc95ed6c2
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "a5658749f72abd530cfb2130e9fa95790133d71926b08c5d6e5c9b6fc95ed6c2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a5658749f72abd530cfb2130e9fa95790133d71926b08c5d6e5c9b6fc95ed6c2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a5658749f72abd530cfb2130e9fa95790133d71926b08c5d6e5c9b6fc95ed6c2", kill_on_drop: false }`
[INFO] [stdout] a5658749f72abd530cfb2130e9fa95790133d71926b08c5d6e5c9b6fc95ed6c2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3b11141af6dd049654fb307eea77adc5e90b8ff52eae0bed1dd74f48cd9f70b6
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "3b11141af6dd049654fb307eea77adc5e90b8ff52eae0bed1dd74f48cd9f70b6", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.81
[INFO] [stderr]     Checking unicode-width v0.1.8
[INFO] [stderr]     Checking vec_map v0.8.2
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking ascii v0.8.7
[INFO] [stderr]     Checking dtoa v0.4.7
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking itertools v0.6.5
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking memchr v1.0.2
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking memmap v0.5.2
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking nom v3.2.1
[INFO] [stderr]     Checking num-complex v0.1.43
[INFO] [stderr]     Checking num-traits v0.1.43
[INFO] [stderr]     Checking num-bigint v0.1.44
[INFO] [stderr]     Checking num-rational v0.1.42
[INFO] [stderr]     Checking num v0.1.42
[INFO] [stderr]     Checking nastran v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/datfile/field.rs:225:13
[INFO] [stdout]     |
[INFO] [stdout] 225 |         b'a'...b'z' | b'A'...b'Z' => maybe_string(buffer),
[INFO] [stdout]     |             ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/datfile/field.rs:225:27
[INFO] [stdout]     |
[INFO] [stdout] 225 |         b'a'...b'z' | b'A'...b'Z' => maybe_string(buffer),
[INFO] [stdout]     |                           ^^^ help: use `..=` for an inclusive range
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/datfile/field.rs:274:13
[INFO] [stdout]     |
[INFO] [stdout] 274 |         b'a'...b'z' | b'A'...b'Z' => maybe_string(buffer),
[INFO] [stdout]     |             ^^^ help: use `..=` for an inclusive range
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/datfile/field.rs:274:27
[INFO] [stdout]     |
[INFO] [stdout] 274 |         b'a'...b'z' | b'A'...b'Z' => maybe_string(buffer),
[INFO] [stdout]     |                           ^^^ help: use `..=` for an inclusive range
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/datfile/field.rs:275:27
[INFO] [stdout]     |
[INFO] [stdout] 275 |         b'+' | b'-' | b'0'...b'9' | b'.' => maybe_number(buffer),
[INFO] [stdout]     |                           ^^^ help: use `..=` for an inclusive range
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/datfile/field.rs:290:13
[INFO] [stdout]     |
[INFO] [stdout] 290 |         b'a'...b'z' | b'A'...b'Z' => maybe_string(buffer),
[INFO] [stdout]     |             ^^^ help: use `..=` for an inclusive range
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/datfile/field.rs:290:27
[INFO] [stdout]     |
[INFO] [stdout] 290 |         b'a'...b'z' | b'A'...b'Z' => maybe_string(buffer),
[INFO] [stdout]     |                           ^^^ help: use `..=` for an inclusive range
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/datfile/field.rs:291:27
[INFO] [stdout]     |
[INFO] [stdout] 291 |         b'+' | b'-' | b'0'...b'9' | b'.' => maybe_number(buffer),
[INFO] [stdout]     |                           ^^^ help: use `..=` for an inclusive range
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/datfile/mod.rs:110:9
[INFO] [stdout]     |
[INFO] [stdout] 110 |         try!(write!(f, "Card("));
[INFO] [stdout]     |         ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/datfile/mod.rs:111:9
[INFO] [stdout]     |
[INFO] [stdout] 111 |         try!(write!(f, "{:?},", self.first));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/datfile/mod.rs:113:13
[INFO] [stdout]     |
[INFO] [stdout] 113 |             try!(write!(f, "{:?},", field));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/datfile/mod.rs:116:13
[INFO] [stdout]     |
[INFO] [stdout] 116 |             try!(write!(f, "+{:?}", self.continuation));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/datfile/mod.rs:119:13
[INFO] [stdout]     |
[INFO] [stdout] 119 |             try!(write!(f, "Comment='{}',", String::from_utf8_lossy(comment)));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/datfile/mod.rs:122:13
[INFO] [stdout]     |
[INFO] [stdout] 122 |             try!(write!(f, "comma,"));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/datfile/mod.rs:125:13
[INFO] [stdout]     |
[INFO] [stdout] 125 |             try!(write!(f, "double,"));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/datfile/mod.rs:128:13
[INFO] [stdout]     |
[INFO] [stdout] 128 |             try!(write!(
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/datfile/mod.rs:142:13
[INFO] [stdout]     |
[INFO] [stdout] 142 |             try!(write!(f, "{}", first));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/datfile/mod.rs:147:25
[INFO] [stdout]     |
[INFO] [stdout] 147 |                         try!(write!(f, "+       \n*       "))
[INFO] [stdout]     |                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/datfile/mod.rs:150:25
[INFO] [stdout]     |
[INFO] [stdout] 150 |                         try!(write!(f, "{:16}", field))
[INFO] [stdout]     |                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/datfile/mod.rs:157:25
[INFO] [stdout]     |
[INFO] [stdout] 157 |                         try!(write!(f, "+       \n+       "))
[INFO] [stdout]     |                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/datfile/mod.rs:160:25
[INFO] [stdout]     |
[INFO] [stdout] 160 |                         try!(write!(f, "{}", field))
[INFO] [stdout]     |                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/datfile/mod.rs:170:17
[INFO] [stdout]     |
[INFO] [stdout] 170 |                 try!(write!(f, "$"));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/datfile/mod.rs:172:13
[INFO] [stdout]     |
[INFO] [stdout] 172 |             try!(write!(f, "{}", String::from_utf8_lossy(comment)));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/datfile/mod.rs:187:9
[INFO] [stdout]     |
[INFO] [stdout] 187 |         try!(write!(f, "Deck(\n"));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/datfile/mod.rs:189:13
[INFO] [stdout]     |
[INFO] [stdout] 189 |             try!(write!(f, "  {},\n", card));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/datfile/field.rs:225:13
[INFO] [stdout]     |
[INFO] [stdout] 225 |         b'a'...b'z' | b'A'...b'Z' => maybe_string(buffer),
[INFO] [stdout]     |             ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/datfile/field.rs:225:27
[INFO] [stdout]     |
[INFO] [stdout] 225 |         b'a'...b'z' | b'A'...b'Z' => maybe_string(buffer),
[INFO] [stdout]     |                           ^^^ help: use `..=` for an inclusive range
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/datfile/field.rs:274:13
[INFO] [stdout]     |
[INFO] [stdout] 274 |         b'a'...b'z' | b'A'...b'Z' => maybe_string(buffer),
[INFO] [stdout]     |             ^^^ help: use `..=` for an inclusive range
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/datfile/field.rs:274:27
[INFO] [stdout]     |
[INFO] [stdout] 274 |         b'a'...b'z' | b'A'...b'Z' => maybe_string(buffer),
[INFO] [stdout]     |                           ^^^ help: use `..=` for an inclusive range
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/datfile/field.rs:275:27
[INFO] [stdout]     |
[INFO] [stdout] 275 |         b'+' | b'-' | b'0'...b'9' | b'.' => maybe_number(buffer),
[INFO] [stdout]     |                           ^^^ help: use `..=` for an inclusive range
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/datfile/field.rs:290:13
[INFO] [stdout]     |
[INFO] [stdout] 290 |         b'a'...b'z' | b'A'...b'Z' => maybe_string(buffer),
[INFO] [stdout]     |             ^^^ help: use `..=` for an inclusive range
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/datfile/field.rs:290:27
[INFO] [stdout]     |
[INFO] [stdout] 290 |         b'a'...b'z' | b'A'...b'Z' => maybe_string(buffer),
[INFO] [stdout]     |                           ^^^ help: use `..=` for an inclusive range
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/datfile/field.rs:291:27
[INFO] [stdout]     |
[INFO] [stdout] 291 |         b'+' | b'-' | b'0'...b'9' | b'.' => maybe_number(buffer),
[INFO] [stdout]     |                           ^^^ help: use `..=` for an inclusive range
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/datfile/mod.rs:110:9
[INFO] [stdout]     |
[INFO] [stdout] 110 |         try!(write!(f, "Card("));
[INFO] [stdout]     |         ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/datfile/mod.rs:111:9
[INFO] [stdout]     |
[INFO] [stdout] 111 |         try!(write!(f, "{:?},", self.first));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/datfile/mod.rs:113:13
[INFO] [stdout]     |
[INFO] [stdout] 113 |             try!(write!(f, "{:?},", field));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/datfile/mod.rs:116:13
[INFO] [stdout]     |
[INFO] [stdout] 116 |             try!(write!(f, "+{:?}", self.continuation));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/datfile/mod.rs:119:13
[INFO] [stdout]     |
[INFO] [stdout] 119 |             try!(write!(f, "Comment='{}',", String::from_utf8_lossy(comment)));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/datfile/mod.rs:122:13
[INFO] [stdout]     |
[INFO] [stdout] 122 |             try!(write!(f, "comma,"));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/datfile/mod.rs:125:13
[INFO] [stdout]     |
[INFO] [stdout] 125 |             try!(write!(f, "double,"));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/datfile/mod.rs:128:13
[INFO] [stdout]     |
[INFO] [stdout] 128 |             try!(write!(
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/datfile/mod.rs:142:13
[INFO] [stdout]     |
[INFO] [stdout] 142 |             try!(write!(f, "{}", first));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/datfile/mod.rs:147:25
[INFO] [stdout]     |
[INFO] [stdout] 147 |                         try!(write!(f, "+       \n*       "))
[INFO] [stdout]     |                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/datfile/mod.rs:150:25
[INFO] [stdout]     |
[INFO] [stdout] 150 |                         try!(write!(f, "{:16}", field))
[INFO] [stdout]     |                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/datfile/mod.rs:157:25
[INFO] [stdout]     |
[INFO] [stdout] 157 |                         try!(write!(f, "+       \n+       "))
[INFO] [stdout]     |                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/datfile/mod.rs:160:25
[INFO] [stdout]     |
[INFO] [stdout] 160 |                         try!(write!(f, "{}", field))
[INFO] [stdout]     |                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/datfile/mod.rs:170:17
[INFO] [stdout]     |
[INFO] [stdout] 170 |                 try!(write!(f, "$"));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/datfile/mod.rs:172:13
[INFO] [stdout]     |
[INFO] [stdout] 172 |             try!(write!(f, "{}", String::from_utf8_lossy(comment)));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/datfile/mod.rs:187:9
[INFO] [stdout]     |
[INFO] [stdout] 187 |         try!(write!(f, "Deck(\n"));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/datfile/mod.rs:189:13
[INFO] [stdout]     |
[INFO] [stdout] 189 |             try!(write!(f, "  {},\n", card));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/datfile/mod.rs:262:21
[INFO] [stdout]     |
[INFO] [stdout] 262 |                 let mut existing = self.deck.cards.index_mut(index);
[INFO] [stdout]     |                     ----^^^^^^^^
[INFO] [stdout]     |                     |
[INFO] [stdout]     |                     help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/datfile/mod.rs:280:21
[INFO] [stdout]     |
[INFO] [stdout] 280 |                 let mut existing = self.deck.cards.index_mut(index);
[INFO] [stdout]     |                     ----^^^^^^^^
[INFO] [stdout]     |                     |
[INFO] [stdout]     |                     help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/datfile/mod.rs:262:21
[INFO] [stdout]     |
[INFO] [stdout] 262 |                 let mut existing = self.deck.cards.index_mut(index);
[INFO] [stdout]     |                     ----^^^^^^^^
[INFO] [stdout]     |                     |
[INFO] [stdout]     |                     help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/datfile/mod.rs:280:21
[INFO] [stdout]     |
[INFO] [stdout] 280 |                 let mut existing = self.deck.cards.index_mut(index);
[INFO] [stdout]     |                     ----^^^^^^^^
[INFO] [stdout]     |                     |
[INFO] [stdout]     |                     help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 27 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 27 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/datfile/field.rs:225:13
[INFO] [stdout]     |
[INFO] [stdout] 225 |         b'a'...b'z' | b'A'...b'Z' => maybe_string(buffer),
[INFO] [stdout]     |             ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/datfile/field.rs:225:27
[INFO] [stdout]     |
[INFO] [stdout] 225 |         b'a'...b'z' | b'A'...b'Z' => maybe_string(buffer),
[INFO] [stdout]     |                           ^^^ help: use `..=` for an inclusive range
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/datfile/field.rs:274:13
[INFO] [stdout]     |
[INFO] [stdout] 274 |         b'a'...b'z' | b'A'...b'Z' => maybe_string(buffer),
[INFO] [stdout]     |             ^^^ help: use `..=` for an inclusive range
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/datfile/field.rs:274:27
[INFO] [stdout]     |
[INFO] [stdout] 274 |         b'a'...b'z' | b'A'...b'Z' => maybe_string(buffer),
[INFO] [stdout]     |                           ^^^ help: use `..=` for an inclusive range
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/datfile/field.rs:275:27
[INFO] [stdout]     |
[INFO] [stdout] 275 |         b'+' | b'-' | b'0'...b'9' | b'.' => maybe_number(buffer),
[INFO] [stdout]     |                           ^^^ help: use `..=` for an inclusive range
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/datfile/field.rs:290:13
[INFO] [stdout]     |
[INFO] [stdout] 290 |         b'a'...b'z' | b'A'...b'Z' => maybe_string(buffer),
[INFO] [stdout]     |             ^^^ help: use `..=` for an inclusive range
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/datfile/field.rs:290:27
[INFO] [stdout]     |
[INFO] [stdout] 290 |         b'a'...b'z' | b'A'...b'Z' => maybe_string(buffer),
[INFO] [stdout]     |                           ^^^ help: use `..=` for an inclusive range
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/datfile/field.rs:291:27
[INFO] [stdout]     |
[INFO] [stdout] 291 |         b'+' | b'-' | b'0'...b'9' | b'.' => maybe_number(buffer),
[INFO] [stdout]     |                           ^^^ help: use `..=` for an inclusive range
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/datfile/mod.rs:110:9
[INFO] [stdout]     |
[INFO] [stdout] 110 |         try!(write!(f, "Card("));
[INFO] [stdout]     |         ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/datfile/mod.rs:111:9
[INFO] [stdout]     |
[INFO] [stdout] 111 |         try!(write!(f, "{:?},", self.first));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/datfile/mod.rs:113:13
[INFO] [stdout]     |
[INFO] [stdout] 113 |             try!(write!(f, "{:?},", field));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/datfile/mod.rs:116:13
[INFO] [stdout]     |
[INFO] [stdout] 116 |             try!(write!(f, "+{:?}", self.continuation));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/datfile/mod.rs:119:13
[INFO] [stdout]     |
[INFO] [stdout] 119 |             try!(write!(f, "Comment='{}',", String::from_utf8_lossy(comment)));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/datfile/mod.rs:122:13
[INFO] [stdout]     |
[INFO] [stdout] 122 |             try!(write!(f, "comma,"));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/datfile/mod.rs:125:13
[INFO] [stdout]     |
[INFO] [stdout] 125 |             try!(write!(f, "double,"));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/datfile/mod.rs:128:13
[INFO] [stdout]     |
[INFO] [stdout] 128 |             try!(write!(
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/datfile/mod.rs:142:13
[INFO] [stdout]     |
[INFO] [stdout] 142 |             try!(write!(f, "{}", first));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/datfile/mod.rs:147:25
[INFO] [stdout]     |
[INFO] [stdout] 147 |                         try!(write!(f, "+       \n*       "))
[INFO] [stdout]     |                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/datfile/mod.rs:150:25
[INFO] [stdout]     |
[INFO] [stdout] 150 |                         try!(write!(f, "{:16}", field))
[INFO] [stdout]     |                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/datfile/mod.rs:157:25
[INFO] [stdout]     |
[INFO] [stdout] 157 |                         try!(write!(f, "+       \n+       "))
[INFO] [stdout]     |                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/datfile/mod.rs:160:25
[INFO] [stdout]     |
[INFO] [stdout] 160 |                         try!(write!(f, "{}", field))
[INFO] [stdout]     |                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/datfile/mod.rs:170:17
[INFO] [stdout]     |
[INFO] [stdout] 170 |                 try!(write!(f, "$"));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/datfile/mod.rs:172:13
[INFO] [stdout]     |
[INFO] [stdout] 172 |             try!(write!(f, "{}", String::from_utf8_lossy(comment)));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/datfile/mod.rs:187:9
[INFO] [stdout]     |
[INFO] [stdout] 187 |         try!(write!(f, "Deck(\n"));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/datfile/mod.rs:189:13
[INFO] [stdout]     |
[INFO] [stdout] 189 |             try!(write!(f, "  {},\n", card));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/datfile/field.rs:225:13
[INFO] [stdout]     |
[INFO] [stdout] 225 |         b'a'...b'z' | b'A'...b'Z' => maybe_string(buffer),
[INFO] [stdout]     |             ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/datfile/field.rs:225:27
[INFO] [stdout]     |
[INFO] [stdout] 225 |         b'a'...b'z' | b'A'...b'Z' => maybe_string(buffer),
[INFO] [stdout]     |                           ^^^ help: use `..=` for an inclusive range
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/datfile/field.rs:274:13
[INFO] [stdout]     |
[INFO] [stdout] 274 |         b'a'...b'z' | b'A'...b'Z' => maybe_string(buffer),
[INFO] [stdout]     |             ^^^ help: use `..=` for an inclusive range
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/datfile/field.rs:274:27
[INFO] [stdout]     |
[INFO] [stdout] 274 |         b'a'...b'z' | b'A'...b'Z' => maybe_string(buffer),
[INFO] [stdout]     |                           ^^^ help: use `..=` for an inclusive range
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/datfile/field.rs:275:27
[INFO] [stdout]     |
[INFO] [stdout] 275 |         b'+' | b'-' | b'0'...b'9' | b'.' => maybe_number(buffer),
[INFO] [stdout]     |                           ^^^ help: use `..=` for an inclusive range
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/datfile/field.rs:290:13
[INFO] [stdout]     |
[INFO] [stdout] 290 |         b'a'...b'z' | b'A'...b'Z' => maybe_string(buffer),
[INFO] [stdout]     |             ^^^ help: use `..=` for an inclusive range
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/datfile/field.rs:290:27
[INFO] [stdout]     |
[INFO] [stdout] 290 |         b'a'...b'z' | b'A'...b'Z' => maybe_string(buffer),
[INFO] [stdout]     |                           ^^^ help: use `..=` for an inclusive range
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/datfile/field.rs:291:27
[INFO] [stdout]     |
[INFO] [stdout] 291 |         b'+' | b'-' | b'0'...b'9' | b'.' => maybe_number(buffer),
[INFO] [stdout]     |                           ^^^ help: use `..=` for an inclusive range
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/datfile/mod.rs:110:9
[INFO] [stdout]     |
[INFO] [stdout] 110 |         try!(write!(f, "Card("));
[INFO] [stdout]     |         ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/datfile/mod.rs:111:9
[INFO] [stdout]     |
[INFO] [stdout] 111 |         try!(write!(f, "{:?},", self.first));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/datfile/mod.rs:113:13
[INFO] [stdout]     |
[INFO] [stdout] 113 |             try!(write!(f, "{:?},", field));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/datfile/mod.rs:116:13
[INFO] [stdout]     |
[INFO] [stdout] 116 |             try!(write!(f, "+{:?}", self.continuation));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/datfile/mod.rs:119:13
[INFO] [stdout]     |
[INFO] [stdout] 119 |             try!(write!(f, "Comment='{}',", String::from_utf8_lossy(comment)));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/datfile/mod.rs:122:13
[INFO] [stdout]     |
[INFO] [stdout] 122 |             try!(write!(f, "comma,"));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/datfile/mod.rs:125:13
[INFO] [stdout]     |
[INFO] [stdout] 125 |             try!(write!(f, "double,"));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/datfile/mod.rs:128:13
[INFO] [stdout]     |
[INFO] [stdout] 128 |             try!(write!(
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/datfile/mod.rs:142:13
[INFO] [stdout]     |
[INFO] [stdout] 142 |             try!(write!(f, "{}", first));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/datfile/mod.rs:147:25
[INFO] [stdout]     |
[INFO] [stdout] 147 |                         try!(write!(f, "+       \n*       "))
[INFO] [stdout]     |                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/datfile/mod.rs:150:25
[INFO] [stdout]     |
[INFO] [stdout] 150 |                         try!(write!(f, "{:16}", field))
[INFO] [stdout]     |                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/datfile/mod.rs:157:25
[INFO] [stdout]     |
[INFO] [stdout] 157 |                         try!(write!(f, "+       \n+       "))
[INFO] [stdout]     |                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/datfile/mod.rs:160:25
[INFO] [stdout]     |
[INFO] [stdout] 160 |                         try!(write!(f, "{}", field))
[INFO] [stdout]     |                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/datfile/mod.rs:170:17
[INFO] [stdout]     |
[INFO] [stdout] 170 |                 try!(write!(f, "$"));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/datfile/mod.rs:172:13
[INFO] [stdout]     |
[INFO] [stdout] 172 |             try!(write!(f, "{}", String::from_utf8_lossy(comment)));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/datfile/mod.rs:187:9
[INFO] [stdout]     |
[INFO] [stdout] 187 |         try!(write!(f, "Deck(\n"));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/datfile/mod.rs:189:13
[INFO] [stdout]     |
[INFO] [stdout] 189 |             try!(write!(f, "  {},\n", card));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/datfile/mod.rs:262:21
[INFO] [stdout]     |
[INFO] [stdout] 262 |                 let mut existing = self.deck.cards.index_mut(index);
[INFO] [stdout]     |                     ----^^^^^^^^
[INFO] [stdout]     |                     |
[INFO] [stdout]     |                     help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/datfile/mod.rs:280:21
[INFO] [stdout]     |
[INFO] [stdout] 280 |                 let mut existing = self.deck.cards.index_mut(index);
[INFO] [stdout]     |                     ----^^^^^^^^
[INFO] [stdout]     |                     |
[INFO] [stdout]     |                     help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/datfile/mod.rs:262:21
[INFO] [stdout]     |
[INFO] [stdout] 262 |                 let mut existing = self.deck.cards.index_mut(index);
[INFO] [stdout]     |                     ----^^^^^^^^
[INFO] [stdout]     |                     |
[INFO] [stdout]     |                     help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/datfile/mod.rs:280:21
[INFO] [stdout]     |
[INFO] [stdout] 280 |                 let mut existing = self.deck.cards.index_mut(index);
[INFO] [stdout]     |                     ----^^^^^^^^
[INFO] [stdout]     |                     |
[INFO] [stdout]     |                     help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 27 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 27 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 11.66s
[INFO] running `Command { std: "docker" "inspect" "3b11141af6dd049654fb307eea77adc5e90b8ff52eae0bed1dd74f48cd9f70b6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3b11141af6dd049654fb307eea77adc5e90b8ff52eae0bed1dd74f48cd9f70b6", kill_on_drop: false }`
[INFO] [stdout] 3b11141af6dd049654fb307eea77adc5e90b8ff52eae0bed1dd74f48cd9f70b6