[INFO] fetching crate nastran 0.0.1...
[INFO] checking nastran-0.0.1 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] extracting crate nastran 0.0.1 into /workspace/builds/worker-1-tc1/source
[INFO] validating manifest of crates.io crate nastran 0.0.1 on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", 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-1-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 41 packages
[INFO] [stderr]       Adding ascii v0.8.7 (latest: v1.1.0)
[INFO] [stderr]       Adding bitflags v1.3.2 (latest: v2.5.0)
[INFO] [stderr]       Adding clap v2.34.0 (latest: v4.5.4)
[INFO] [stderr]       Adding dtoa v0.4.8 (latest: v1.0.9)
[INFO] [stderr]       Adding hermit-abi v0.1.19 (latest: v0.3.9)
[INFO] [stderr]       Adding itertools v0.6.5 (latest: v0.12.1)
[INFO] [stderr]       Adding memchr v1.0.2 (latest: v2.7.2)
[INFO] [stderr]       Adding memmap v0.5.2 (latest: v0.7.0)
[INFO] [stderr]       Adding nom v3.2.1 (latest: v7.1.3)
[INFO] [stderr]       Adding num v0.1.42 (latest: v0.4.1)
[INFO] [stderr]       Adding num-bigint v0.1.44 (latest: v0.4.4)
[INFO] [stderr]       Adding num-complex v0.1.43 (latest: v0.4.5)
[INFO] [stderr]       Adding num-rational v0.1.42 (latest: v0.4.1)
[INFO] [stderr]       Adding num-traits v0.1.43 (latest: v0.2.18)
[INFO] [stderr]       Adding quick-error v1.2.3 (latest: v2.0.1)
[INFO] [stderr]       Adding rand v0.4.6 (latest: v0.8.5)
[INFO] [stderr]       Adding rand_core v0.3.1 (latest: v0.6.4)
[INFO] [stderr]       Adding rand_core v0.4.2 (latest: v0.6.4)
[INFO] [stderr]       Adding rdrand v0.4.0 (latest: v0.8.3)
[INFO] [stderr]       Adding strsim v0.8.0 (latest: v0.11.1)
[INFO] [stderr]       Adding textwrap v0.11.0 (latest: v0.16.1)
[INFO] [stderr]       Adding winapi v0.2.8 (latest: v0.3.9)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded ascii v0.8.7
[INFO] [stderr]   Downloaded memmap v0.5.2
[INFO] [stderr]   Downloaded itertools v0.6.5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f0cc46d0234fd6efc827fb10532d9c597a8efe2e7f98b690c1e39156cc21325b
[INFO] running `Command { std: "docker" "start" "-a" "f0cc46d0234fd6efc827fb10532d9c597a8efe2e7f98b690c1e39156cc21325b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f0cc46d0234fd6efc827fb10532d9c597a8efe2e7f98b690c1e39156cc21325b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f0cc46d0234fd6efc827fb10532d9c597a8efe2e7f98b690c1e39156cc21325b", kill_on_drop: false }`
[INFO] [stdout] f0cc46d0234fd6efc827fb10532d9c597a8efe2e7f98b690c1e39156cc21325b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ad89719fd627e30f114b091ce3be0050bdab06e5fa83ece8c0286f507fa84011
[INFO] running `Command { std: "docker" "start" "-a" "ad89719fd627e30f114b091ce3be0050bdab06e5fa83ece8c0286f507fa84011", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.153
[INFO] [stderr]     Checking itertools v0.6.5
[INFO] [stderr]     Checking ascii v0.8.7
[INFO] [stderr]     Checking dtoa v0.4.8
[INFO] [stderr]     Checking num-integer v0.1.46
[INFO] [stderr]     Checking num-complex v0.1.43
[INFO] [stderr]     Checking num-iter v0.1.44
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking memchr v1.0.2
[INFO] [stderr]     Checking memmap v0.5.2
[INFO] [stderr]     Checking clap v2.34.0
[INFO] [stderr]     Checking nom v3.2.1
[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]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[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]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[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]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[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]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[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]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[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]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[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]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[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]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `dtoa` is imported redundantly
[INFO] [stdout]   --> src/datfile/mod.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | use dtoa;
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/lib.rs:8:1
[INFO] [stdout]    |
[INFO] [stdout] 8  | extern crate dtoa;
[INFO] [stdout]    | ------------------ the item `dtoa` is already imported here
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` 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: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: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: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: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: unnecessary parentheses around match arm expression
[INFO] [stdout]    --> src/datfile/mod.rs:577:18
[INFO] [stdout]     |
[INFO] [stdout] 577 |             _ => (false),
[INFO] [stdout]     |                  ^     ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 577 -             _ => (false),
[INFO] [stdout] 577 +             _ => false,
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `nom` is imported redundantly
[INFO] [stdout]  --> src/errors.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use nom;
[INFO] [stdout]   |     ^^^
[INFO] [stdout]   |
[INFO] [stdout]  ::: src/lib.rs:9:1
[INFO] [stdout]   |
[INFO] [stdout] 9 | extern crate nom;
[INFO] [stdout]   | ----------------- the item `nom` is already imported here
[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]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[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]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[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]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[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]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[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]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[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]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[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]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[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]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `dtoa` is imported redundantly
[INFO] [stdout]   --> src/datfile/mod.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | use dtoa;
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/lib.rs:8:1
[INFO] [stdout]    |
[INFO] [stdout] 8  | extern crate dtoa;
[INFO] [stdout]    | ------------------ the item `dtoa` is already imported here
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` 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: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: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: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: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: unnecessary parentheses around match arm expression
[INFO] [stdout]    --> src/datfile/mod.rs:577:18
[INFO] [stdout]     |
[INFO] [stdout] 577 |             _ => (false),
[INFO] [stdout]     |                  ^     ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 577 -             _ => (false),
[INFO] [stdout] 577 +             _ => false,
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `nom` is imported redundantly
[INFO] [stdout]  --> src/errors.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use nom;
[INFO] [stdout]   |     ^^^
[INFO] [stdout]   |
[INFO] [stdout]  ::: src/lib.rs:9:1
[INFO] [stdout]   |
[INFO] [stdout] 9 | extern crate nom;
[INFO] [stdout]   | ----------------- the item `nom` is already imported here
[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: 30 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 30 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Sized` is imported redundantly
[INFO] [stdout]  --> src/op2/mod.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::marker::Sized;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:124:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `Sized` is already defined here
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trailing semicolon in macro used in expression position
[INFO] [stdout]    --> src/macros.rs:17:35
[INFO] [stdout]     |
[INFO] [stdout] 17  |         whole_file!($i, call!($f));
[INFO] [stdout]     |                                   ^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/op2/mod.rs:271:5
[INFO] [stdout]     |
[INFO] [stdout] 271 |     whole_file!(buffer,parse_op2)
[INFO] [stdout]     |     ----------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #79813 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stdout]     = note: macro invocations at the end of a block are treated as expressions
[INFO] [stdout]     = note: to ignore the value produced by the macro, add a semicolon after the invocation of `whole_file`
[INFO] [stdout]     = note: `#[warn(semicolon_in_expressions_from_macros)]` on by default
[INFO] [stdout]     = note: this warning originates in the macro `whole_file` (in Nightly builds, run with -Z macro-backtrace for more info)
[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]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[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]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[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]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[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]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[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]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[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]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[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]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[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]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `dtoa` is imported redundantly
[INFO] [stdout]   --> src/datfile/mod.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | use dtoa;
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/main.rs:15:1
[INFO] [stdout]    |
[INFO] [stdout] 15 | extern crate dtoa;
[INFO] [stdout]    | ------------------ the item `dtoa` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `maybe_any_field`, `maybe_field`
[INFO] [stdout]   --> src/datfile/mod.rs:13:23
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub use self::field::{maybe_field, maybe_any_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: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: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: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: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: unnecessary parentheses around match arm expression
[INFO] [stdout]    --> src/datfile/mod.rs:577:18
[INFO] [stdout]     |
[INFO] [stdout] 577 |             _ => (false),
[INFO] [stdout]     |                  ^     ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 577 -             _ => (false),
[INFO] [stdout] 577 +             _ => false,
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `nom` is imported redundantly
[INFO] [stdout]   --> src/errors.rs:2:5
[INFO] [stdout]    |
[INFO] [stdout] 2  | use nom;
[INFO] [stdout]    |     ^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/main.rs:10:1
[INFO] [stdout]    |
[INFO] [stdout] 10 | extern crate nom;
[INFO] [stdout]    | ----------------- the item `nom` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Sized` is imported redundantly
[INFO] [stdout]  --> src/op2/mod.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::marker::Sized;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:124:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `Sized` is already defined here
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trailing semicolon in macro used in expression position
[INFO] [stdout]    --> src/macros.rs:17:35
[INFO] [stdout]     |
[INFO] [stdout] 17  |         whole_file!($i, call!($f));
[INFO] [stdout]     |                                   ^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/op2/mod.rs:271:5
[INFO] [stdout]     |
[INFO] [stdout] 271 |     whole_file!(buffer,parse_op2)
[INFO] [stdout]     |     ----------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #79813 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stdout]     = note: macro invocations at the end of a block are treated as expressions
[INFO] [stdout]     = note: to ignore the value produced by the macro, add a semicolon after the invocation of `whole_file`
[INFO] [stdout]     = note: `#[warn(semicolon_in_expressions_from_macros)]` on by default
[INFO] [stdout]     = note: this warning originates in the macro `whole_file` (in Nightly builds, run with -Z macro-backtrace for more info)
[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]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[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]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[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]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[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]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[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]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[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]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[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]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[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]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `dtoa` is imported redundantly
[INFO] [stdout]   --> src/datfile/mod.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | use dtoa;
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/main.rs:15:1
[INFO] [stdout]    |
[INFO] [stdout] 15 | extern crate dtoa;
[INFO] [stdout]    | ------------------ the item `dtoa` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `maybe_any_field`, `maybe_field`
[INFO] [stdout]   --> src/datfile/mod.rs:13:23
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub use self::field::{maybe_field, maybe_any_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: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: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: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: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: unnecessary parentheses around match arm expression
[INFO] [stdout]    --> src/datfile/mod.rs:577:18
[INFO] [stdout]     |
[INFO] [stdout] 577 |             _ => (false),
[INFO] [stdout]     |                  ^     ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 577 -             _ => (false),
[INFO] [stdout] 577 +             _ => false,
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `nom` is imported redundantly
[INFO] [stdout]   --> src/errors.rs:2:5
[INFO] [stdout]    |
[INFO] [stdout] 2  | use nom;
[INFO] [stdout]    |     ^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/main.rs:10:1
[INFO] [stdout]    |
[INFO] [stdout] 10 | extern crate nom;
[INFO] [stdout]    | ----------------- the item `nom` is already imported here
[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: 33 warnings emitted
[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: 33 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 8.32s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: nastran v0.0.1 (/opt/rustwide/workdir), nom v3.2.1, num-bigint v0.1.44, num-complex v0.1.43, num-rational v0.1.42
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 4`
[INFO] running `Command { std: "docker" "inspect" "ad89719fd627e30f114b091ce3be0050bdab06e5fa83ece8c0286f507fa84011", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ad89719fd627e30f114b091ce3be0050bdab06e5fa83ece8c0286f507fa84011", kill_on_drop: false }`
[INFO] [stdout] ad89719fd627e30f114b091ce3be0050bdab06e5fa83ece8c0286f507fa84011