[INFO] fetching crate qr-encode 0.1.9...
[INFO] checking qr-encode-0.1.9 against try#3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f for pr-87248
[INFO] extracting crate qr-encode 0.1.9 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate qr-encode 0.1.9 on toolchain 3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate qr-encode 0.1.9
[INFO] finished tweaking crates.io crate qr-encode 0.1.9
[INFO] tweaked toml for crates.io crate qr-encode 0.1.9 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded reed-solomon v0.2.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6bbd5eb145f869ae1ce80f43a13ecae2b9e16d0811fbc2efc672f4f60002cd69
[INFO] running `Command { std: "docker" "start" "-a" "6bbd5eb145f869ae1ce80f43a13ecae2b9e16d0811fbc2efc672f4f60002cd69", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6bbd5eb145f869ae1ce80f43a13ecae2b9e16d0811fbc2efc672f4f60002cd69", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6bbd5eb145f869ae1ce80f43a13ecae2b9e16d0811fbc2efc672f4f60002cd69", kill_on_drop: false }`
[INFO] [stdout] 6bbd5eb145f869ae1ce80f43a13ecae2b9e16d0811fbc2efc672f4f60002cd69
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d589d0d3c9cb834ffb1dbb77aedfe4f7083f45bc9336341df03f1f6eebccc7a3
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[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling crossbeam-utils v0.8.5
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling libc v0.2.98
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[INFO] [stderr]    Compiling rayon-core v1.9.1
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[INFO] [stderr]     Checking adler32 v1.2.0
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]    Compiling num-derive v0.2.5
[INFO] [stderr]     Checking lzw v0.10.0
[INFO] [stderr]     Checking color_quant v1.1.0
[INFO] [stderr]     Checking scoped_threadpool v0.1.9
[INFO] [stderr]     Checking reed-solomon v0.2.1
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[INFO] [stderr]     Checking gif v0.10.3
[INFO] [stderr]     Checking deflate v0.7.20
[INFO] [stderr]    Compiling memoffset v0.6.4
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[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling rayon v1.5.1
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]     Checking crossbeam-channel v0.5.1
[INFO] [stderr]    Compiling quote v0.6.13
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[INFO] [stderr]     Checking num-rational v0.1.42
[INFO] [stderr]     Checking num_cpus v1.13.0
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[INFO] [stderr]     Checking jpeg-decoder v0.1.22
[INFO] [stderr]     Checking image v0.19.0
[INFO] [stderr]     Checking qr-encode v0.1.9 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]    --> src/qr_encoder/util.rs:205:5
[INFO] [stdout]     |
[INFO] [stdout] 205 |     (((version - 1) * 4) + 21)
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `CellType`, `Color`
[INFO] [stdout]  --> src/qr_encoder/qr.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 |     CellType,
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout] 5 |     Color
[INFO] [stdout]   |     ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `get_index_value`, `set_color`
[INFO] [stdout]  --> src/qr_encoder/qr.rs:9:24
[INFO] [stdout]   |
[INFO] [stdout] 9 | use qr_encoder::util::{set_color, get_index_value};
[INFO] [stdout]   |                        ^^^^^^^^^  ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `BitXorAssign`
[INFO] [stdout]  --> src/qr_encoder/config.rs:3:16
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::ops::{BitXorAssign};
[INFO] [stdout]   |                ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Binary`, `Debug`
[INFO] [stdout]  --> src/qr_encoder/config.rs:4:16
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::fmt::{Binary, Debug};
[INFO] [stdout]   |                ^^^^^^  ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/qr_encoder/config.rs:234:14
[INFO] [stdout]     |
[INFO] [stdout] 234 |             2...6 => 7,
[INFO] [stdout]     |              ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/qr_encoder/config.rs:235:15
[INFO] [stdout]     |
[INFO] [stdout] 235 |             14...20 | 28...34 => 3,
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/qr_encoder/config.rs:235:25
[INFO] [stdout]     |
[INFO] [stdout] 235 |             14...20 | 28...34 => 3,
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/qr_encoder/config.rs:240:53
[INFO] [stdout]     |
[INFO] [stdout] 240 |     pub fn get_mask_pattern(&self, n: usize) -> Box<Fn(usize, usize) -> bool> {
[INFO] [stdout]     |                                                     ^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(usize, usize) -> bool`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/qr_encoder/config.rs:717:14
[INFO] [stdout]     |
[INFO] [stdout] 717 |             1...10 => 0,
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/qr_encoder/config.rs:718:15
[INFO] [stdout]     |
[INFO] [stdout] 718 |             11...27 => 2,
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/qr_encoder/config.rs:943:14
[INFO] [stdout]     |
[INFO] [stdout] 943 |             2...6 => 1,
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/qr_encoder/config.rs:944:14
[INFO] [stdout]     |
[INFO] [stdout] 944 |             7...13 => 2,
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/qr_encoder/config.rs:945:15
[INFO] [stdout]     |
[INFO] [stdout] 945 |             14...21 => 3,
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/qr_encoder/config.rs:946:15
[INFO] [stdout]     |
[INFO] [stdout] 946 |             22...28 => 4,
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/qr_encoder/config.rs:947:15
[INFO] [stdout]     |
[INFO] [stdout] 947 |             29...36 => 5,
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/qr_encoder/config.rs:948:15
[INFO] [stdout]     |
[INFO] [stdout] 948 |             37...41 => 6,
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]    --> src/qr_encoder/util.rs:205:5
[INFO] [stdout]     |
[INFO] [stdout] 205 |     (((version - 1) * 4) + 21)
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `CellType`, `Color`
[INFO] [stdout]  --> src/qr_encoder/qr.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 |     CellType,
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout] 5 |     Color
[INFO] [stdout]   |     ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `get_index_value`, `set_color`
[INFO] [stdout]  --> src/qr_encoder/qr.rs:9:24
[INFO] [stdout]   |
[INFO] [stdout] 9 | use qr_encoder::util::{set_color, get_index_value};
[INFO] [stdout]   |                        ^^^^^^^^^  ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `BitXorAssign`
[INFO] [stdout]  --> src/qr_encoder/config.rs:3:16
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::ops::{BitXorAssign};
[INFO] [stdout]   |                ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Binary`, `Debug`
[INFO] [stdout]  --> src/qr_encoder/config.rs:4:16
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::fmt::{Binary, Debug};
[INFO] [stdout]   |                ^^^^^^  ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/qr_encoder/config.rs:234:14
[INFO] [stdout]     |
[INFO] [stdout] 234 |             2...6 => 7,
[INFO] [stdout]     |              ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/qr_encoder/config.rs:235:15
[INFO] [stdout]     |
[INFO] [stdout] 235 |             14...20 | 28...34 => 3,
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/qr_encoder/config.rs:235:25
[INFO] [stdout]     |
[INFO] [stdout] 235 |             14...20 | 28...34 => 3,
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/qr_encoder/config.rs:240:53
[INFO] [stdout]     |
[INFO] [stdout] 240 |     pub fn get_mask_pattern(&self, n: usize) -> Box<Fn(usize, usize) -> bool> {
[INFO] [stdout]     |                                                     ^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(usize, usize) -> bool`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/qr_encoder/config.rs:717:14
[INFO] [stdout]     |
[INFO] [stdout] 717 |             1...10 => 0,
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/qr_encoder/config.rs:718:15
[INFO] [stdout]     |
[INFO] [stdout] 718 |             11...27 => 2,
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/qr_encoder/config.rs:943:14
[INFO] [stdout]     |
[INFO] [stdout] 943 |             2...6 => 1,
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/qr_encoder/config.rs:944:14
[INFO] [stdout]     |
[INFO] [stdout] 944 |             7...13 => 2,
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/qr_encoder/config.rs:945:15
[INFO] [stdout]     |
[INFO] [stdout] 945 |             14...21 => 3,
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/qr_encoder/config.rs:946:15
[INFO] [stdout]     |
[INFO] [stdout] 946 |             22...28 => 4,
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/qr_encoder/config.rs:947:15
[INFO] [stdout]     |
[INFO] [stdout] 947 |             29...36 => 5,
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/qr_encoder/config.rs:948:15
[INFO] [stdout]     |
[INFO] [stdout] 948 |             37...41 => 6,
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `second_byte` is never read
[INFO] [stdout]    --> src/qr_encoder/config.rs:634:21
[INFO] [stdout]     |
[INFO] [stdout] 634 |             let mut second_byte: u8 = data_length as u8;
[INFO] [stdout]     |                     ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `end_y` is never read
[INFO] [stdout]    --> src/qr_encoder/config.rs:839:17
[INFO] [stdout]     |
[INFO] [stdout] 839 |         let mut end_y = 0;
[INFO] [stdout]     |                 ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `second_byte` is never read
[INFO] [stdout]    --> src/qr_encoder/config.rs:634:21
[INFO] [stdout]     |
[INFO] [stdout] 634 |             let mut second_byte: u8 = data_length as u8;
[INFO] [stdout]     |                     ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `end_y` is never read
[INFO] [stdout]    --> src/qr_encoder/config.rs:839:17
[INFO] [stdout]     |
[INFO] [stdout] 839 |         let mut end_y = 0;
[INFO] [stdout]     |                 ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this method call resolves to `<&[T; N] as IntoIterator>::into_iter` (due to backwards compatibility), but will resolve to <[T; N] as IntoIterator>::into_iter in Rust 2021.
[INFO] [stdout]    --> src/qr_encoder/config.rs:391:46
[INFO] [stdout]     |
[INFO] [stdout] 391 |                 let square = adjacent_coords.into_iter()
[INFO] [stdout]     |                                              ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(array_into_iter)]` on by default
[INFO] [stdout]     = warning: this changes meaning in Rust 2021
[INFO] [stdout]     = note: for more information, see issue #66145 <https://github.com/rust-lang/rust/issues/66145>
[INFO] [stdout] help: use `.iter()` instead of `.into_iter()` to avoid ambiguity
[INFO] [stdout]     |
[INFO] [stdout] 391 |                 let square = adjacent_coords.iter()
[INFO] [stdout]     |                                              ^^^^
[INFO] [stdout] help: or use `IntoIterator::into_iter(..)` instead of `.into_iter()` to explicitly iterate by value
[INFO] [stdout]     |
[INFO] [stdout] 391 |                 let square = IntoIterator::into_iter(adjacent_coords)
[INFO] [stdout]     |                              ^^^^^^^^^^^^^^^^^^^^^^^^               ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this method call resolves to `<&[T; N] as IntoIterator>::into_iter` (due to backwards compatibility), but will resolve to <[T; N] as IntoIterator>::into_iter in Rust 2021.
[INFO] [stdout]    --> src/qr_encoder/config.rs:744:34
[INFO] [stdout]     |
[INFO] [stdout] 744 |             for index in indices.into_iter() {
[INFO] [stdout]     |                                  ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this changes meaning in Rust 2021
[INFO] [stdout]     = note: for more information, see issue #66145 <https://github.com/rust-lang/rust/issues/66145>
[INFO] [stdout] help: use `.iter()` instead of `.into_iter()` to avoid ambiguity
[INFO] [stdout]     |
[INFO] [stdout] 744 |             for index in indices.iter() {
[INFO] [stdout]     |                                  ^^^^
[INFO] [stdout] help: or remove `.into_iter()` to iterate by value
[INFO] [stdout]     |
[INFO] [stdout] 744 |             for index in indices {
[INFO] [stdout]     |                                --
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this method call resolves to `<&[T; N] as IntoIterator>::into_iter` (due to backwards compatibility), but will resolve to <[T; N] as IntoIterator>::into_iter in Rust 2021.
[INFO] [stdout]    --> src/qr_encoder/config.rs:391:46
[INFO] [stdout]     |
[INFO] [stdout] 391 |                 let square = adjacent_coords.into_iter()
[INFO] [stdout]     |                                              ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(array_into_iter)]` on by default
[INFO] [stdout]     = warning: this changes meaning in Rust 2021
[INFO] [stdout]     = note: for more information, see issue #66145 <https://github.com/rust-lang/rust/issues/66145>
[INFO] [stdout] help: use `.iter()` instead of `.into_iter()` to avoid ambiguity
[INFO] [stdout]     |
[INFO] [stdout] 391 |                 let square = adjacent_coords.iter()
[INFO] [stdout]     |                                              ^^^^
[INFO] [stdout] help: or use `IntoIterator::into_iter(..)` instead of `.into_iter()` to explicitly iterate by value
[INFO] [stdout]     |
[INFO] [stdout] 391 |                 let square = IntoIterator::into_iter(adjacent_coords)
[INFO] [stdout]     |                              ^^^^^^^^^^^^^^^^^^^^^^^^               ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this method call resolves to `<&[T; N] as IntoIterator>::into_iter` (due to backwards compatibility), but will resolve to <[T; N] as IntoIterator>::into_iter in Rust 2021.
[INFO] [stdout]    --> src/qr_encoder/config.rs:744:34
[INFO] [stdout]     |
[INFO] [stdout] 744 |             for index in indices.into_iter() {
[INFO] [stdout]     |                                  ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this changes meaning in Rust 2021
[INFO] [stdout]     = note: for more information, see issue #66145 <https://github.com/rust-lang/rust/issues/66145>
[INFO] [stdout] help: use `.iter()` instead of `.into_iter()` to avoid ambiguity
[INFO] [stdout]     |
[INFO] [stdout] 744 |             for index in indices.iter() {
[INFO] [stdout]     |                                  ^^^^
[INFO] [stdout] help: or remove `.into_iter()` to iterate by value
[INFO] [stdout]     |
[INFO] [stdout] 744 |             for index in indices {
[INFO] [stdout]     |                                --
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 21 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 21 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]    --> src/qr_encoder/util.rs:205:5
[INFO] [stdout]     |
[INFO] [stdout] 205 |     (((version - 1) * 4) + 21)
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `CellType`, `Color`
[INFO] [stdout]  --> src/qr_encoder/qr.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 |     CellType,
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout] 5 |     Color
[INFO] [stdout]   |     ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `get_index_value`, `set_color`
[INFO] [stdout]  --> src/qr_encoder/qr.rs:9:24
[INFO] [stdout]   |
[INFO] [stdout] 9 | use qr_encoder::util::{set_color, get_index_value};
[INFO] [stdout]   |                        ^^^^^^^^^  ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `BitXorAssign`
[INFO] [stdout]  --> src/qr_encoder/config.rs:3:16
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::ops::{BitXorAssign};
[INFO] [stdout]   |                ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Binary`, `Debug`
[INFO] [stdout]  --> src/qr_encoder/config.rs:4:16
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::fmt::{Binary, Debug};
[INFO] [stdout]   |                ^^^^^^  ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/qr_encoder/config.rs:234:14
[INFO] [stdout]     |
[INFO] [stdout] 234 |             2...6 => 7,
[INFO] [stdout]     |              ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/qr_encoder/config.rs:235:15
[INFO] [stdout]     |
[INFO] [stdout] 235 |             14...20 | 28...34 => 3,
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/qr_encoder/config.rs:235:25
[INFO] [stdout]     |
[INFO] [stdout] 235 |             14...20 | 28...34 => 3,
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/qr_encoder/config.rs:240:53
[INFO] [stdout]     |
[INFO] [stdout] 240 |     pub fn get_mask_pattern(&self, n: usize) -> Box<Fn(usize, usize) -> bool> {
[INFO] [stdout]     |                                                     ^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(usize, usize) -> bool`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/qr_encoder/config.rs:717:14
[INFO] [stdout]     |
[INFO] [stdout] 717 |             1...10 => 0,
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/qr_encoder/config.rs:718:15
[INFO] [stdout]     |
[INFO] [stdout] 718 |             11...27 => 2,
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/qr_encoder/config.rs:943:14
[INFO] [stdout]     |
[INFO] [stdout] 943 |             2...6 => 1,
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/qr_encoder/config.rs:944:14
[INFO] [stdout]     |
[INFO] [stdout] 944 |             7...13 => 2,
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/qr_encoder/config.rs:945:15
[INFO] [stdout]     |
[INFO] [stdout] 945 |             14...21 => 3,
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/qr_encoder/config.rs:946:15
[INFO] [stdout]     |
[INFO] [stdout] 946 |             22...28 => 4,
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/qr_encoder/config.rs:947:15
[INFO] [stdout]     |
[INFO] [stdout] 947 |             29...36 => 5,
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/qr_encoder/config.rs:948:15
[INFO] [stdout]     |
[INFO] [stdout] 948 |             37...41 => 6,
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `CellType`, `Cell`, `Color`
[INFO] [stdout]  --> src/main.rs:8:24
[INFO] [stdout]   |
[INFO] [stdout] 8 | use qr_encoder::cell::{Cell, CellType, Color};
[INFO] [stdout]   |                        ^^^^  ^^^^^^^^  ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]    --> src/qr_encoder/util.rs:205:5
[INFO] [stdout]     |
[INFO] [stdout] 205 |     (((version - 1) * 4) + 21)
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `CellType`, `Color`
[INFO] [stdout]  --> src/qr_encoder/qr.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 |     CellType,
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout] 5 |     Color
[INFO] [stdout]   |     ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `get_index_value`, `set_color`
[INFO] [stdout]  --> src/qr_encoder/qr.rs:9:24
[INFO] [stdout]   |
[INFO] [stdout] 9 | use qr_encoder::util::{set_color, get_index_value};
[INFO] [stdout]   |                        ^^^^^^^^^  ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `BitXorAssign`
[INFO] [stdout]  --> src/qr_encoder/config.rs:3:16
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::ops::{BitXorAssign};
[INFO] [stdout]   |                ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Binary`, `Debug`
[INFO] [stdout]  --> src/qr_encoder/config.rs:4:16
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::fmt::{Binary, Debug};
[INFO] [stdout]   |                ^^^^^^  ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/qr_encoder/config.rs:234:14
[INFO] [stdout]     |
[INFO] [stdout] 234 |             2...6 => 7,
[INFO] [stdout]     |              ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/qr_encoder/config.rs:235:15
[INFO] [stdout]     |
[INFO] [stdout] 235 |             14...20 | 28...34 => 3,
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/qr_encoder/config.rs:235:25
[INFO] [stdout]     |
[INFO] [stdout] 235 |             14...20 | 28...34 => 3,
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/qr_encoder/config.rs:240:53
[INFO] [stdout]     |
[INFO] [stdout] 240 |     pub fn get_mask_pattern(&self, n: usize) -> Box<Fn(usize, usize) -> bool> {
[INFO] [stdout]     |                                                     ^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(usize, usize) -> bool`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/qr_encoder/config.rs:717:14
[INFO] [stdout]     |
[INFO] [stdout] 717 |             1...10 => 0,
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/qr_encoder/config.rs:718:15
[INFO] [stdout]     |
[INFO] [stdout] 718 |             11...27 => 2,
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/qr_encoder/config.rs:943:14
[INFO] [stdout]     |
[INFO] [stdout] 943 |             2...6 => 1,
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/qr_encoder/config.rs:944:14
[INFO] [stdout]     |
[INFO] [stdout] 944 |             7...13 => 2,
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/qr_encoder/config.rs:945:15
[INFO] [stdout]     |
[INFO] [stdout] 945 |             14...21 => 3,
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/qr_encoder/config.rs:946:15
[INFO] [stdout]     |
[INFO] [stdout] 946 |             22...28 => 4,
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/qr_encoder/config.rs:947:15
[INFO] [stdout]     |
[INFO] [stdout] 947 |             29...36 => 5,
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/qr_encoder/config.rs:948:15
[INFO] [stdout]     |
[INFO] [stdout] 948 |             37...41 => 6,
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `CellType`, `Cell`, `Color`
[INFO] [stdout]  --> src/main.rs:8:24
[INFO] [stdout]   |
[INFO] [stdout] 8 | use qr_encoder::cell::{Cell, CellType, Color};
[INFO] [stdout]   |                        ^^^^  ^^^^^^^^  ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `tracker`
[INFO] [stdout]   --> src/main.rs:58:18
[INFO] [stdout]    |
[INFO] [stdout] 58 |     let (canvas, tracker) = config.gen_qr_code();
[INFO] [stdout]    |                  ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_tracker`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `second_byte` is never read
[INFO] [stdout]    --> src/qr_encoder/config.rs:634:21
[INFO] [stdout]     |
[INFO] [stdout] 634 |             let mut second_byte: u8 = data_length as u8;
[INFO] [stdout]     |                     ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `end_y` is never read
[INFO] [stdout]    --> src/qr_encoder/config.rs:839:17
[INFO] [stdout]     |
[INFO] [stdout] 839 |         let mut end_y = 0;
[INFO] [stdout]     |                 ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `tracker`
[INFO] [stdout]   --> src/main.rs:58:18
[INFO] [stdout]    |
[INFO] [stdout] 58 |     let (canvas, tracker) = config.gen_qr_code();
[INFO] [stdout]    |                  ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_tracker`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `second_byte` is never read
[INFO] [stdout]    --> src/qr_encoder/config.rs:634:21
[INFO] [stdout]     |
[INFO] [stdout] 634 |             let mut second_byte: u8 = data_length as u8;
[INFO] [stdout]     |                     ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `end_y` is never read
[INFO] [stdout]    --> src/qr_encoder/config.rs:839:17
[INFO] [stdout]     |
[INFO] [stdout] 839 |         let mut end_y = 0;
[INFO] [stdout]     |                 ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this method call resolves to `<&[T; N] as IntoIterator>::into_iter` (due to backwards compatibility), but will resolve to <[T; N] as IntoIterator>::into_iter in Rust 2021.
[INFO] [stdout]    --> src/qr_encoder/config.rs:391:46
[INFO] [stdout]     |
[INFO] [stdout] 391 |                 let square = adjacent_coords.into_iter()
[INFO] [stdout]     |                                              ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(array_into_iter)]` on by default
[INFO] [stdout]     = warning: this changes meaning in Rust 2021
[INFO] [stdout]     = note: for more information, see issue #66145 <https://github.com/rust-lang/rust/issues/66145>
[INFO] [stdout] help: use `.iter()` instead of `.into_iter()` to avoid ambiguity
[INFO] [stdout]     |
[INFO] [stdout] 391 |                 let square = adjacent_coords.iter()
[INFO] [stdout]     |                                              ^^^^
[INFO] [stdout] help: or use `IntoIterator::into_iter(..)` instead of `.into_iter()` to explicitly iterate by value
[INFO] [stdout]     |
[INFO] [stdout] 391 |                 let square = IntoIterator::into_iter(adjacent_coords)
[INFO] [stdout]     |                              ^^^^^^^^^^^^^^^^^^^^^^^^               ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this method call resolves to `<&[T; N] as IntoIterator>::into_iter` (due to backwards compatibility), but will resolve to <[T; N] as IntoIterator>::into_iter in Rust 2021.
[INFO] [stdout]    --> src/qr_encoder/config.rs:744:34
[INFO] [stdout]     |
[INFO] [stdout] 744 |             for index in indices.into_iter() {
[INFO] [stdout]     |                                  ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this changes meaning in Rust 2021
[INFO] [stdout]     = note: for more information, see issue #66145 <https://github.com/rust-lang/rust/issues/66145>
[INFO] [stdout] help: use `.iter()` instead of `.into_iter()` to avoid ambiguity
[INFO] [stdout]     |
[INFO] [stdout] 744 |             for index in indices.iter() {
[INFO] [stdout]     |                                  ^^^^
[INFO] [stdout] help: or remove `.into_iter()` to iterate by value
[INFO] [stdout]     |
[INFO] [stdout] 744 |             for index in indices {
[INFO] [stdout]     |                                --
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this method call resolves to `<&[T; N] as IntoIterator>::into_iter` (due to backwards compatibility), but will resolve to <[T; N] as IntoIterator>::into_iter in Rust 2021.
[INFO] [stdout]    --> src/qr_encoder/config.rs:391:46
[INFO] [stdout]     |
[INFO] [stdout] 391 |                 let square = adjacent_coords.into_iter()
[INFO] [stdout]     |                                              ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(array_into_iter)]` on by default
[INFO] [stdout]     = warning: this changes meaning in Rust 2021
[INFO] [stdout]     = note: for more information, see issue #66145 <https://github.com/rust-lang/rust/issues/66145>
[INFO] [stdout] help: use `.iter()` instead of `.into_iter()` to avoid ambiguity
[INFO] [stdout]     |
[INFO] [stdout] 391 |                 let square = adjacent_coords.iter()
[INFO] [stdout]     |                                              ^^^^
[INFO] [stdout] help: or use `IntoIterator::into_iter(..)` instead of `.into_iter()` to explicitly iterate by value
[INFO] [stdout]     |
[INFO] [stdout] 391 |                 let square = IntoIterator::into_iter(adjacent_coords)
[INFO] [stdout]     |                              ^^^^^^^^^^^^^^^^^^^^^^^^               ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this method call resolves to `<&[T; N] as IntoIterator>::into_iter` (due to backwards compatibility), but will resolve to <[T; N] as IntoIterator>::into_iter in Rust 2021.
[INFO] [stdout]    --> src/qr_encoder/config.rs:744:34
[INFO] [stdout]     |
[INFO] [stdout] 744 |             for index in indices.into_iter() {
[INFO] [stdout]     |                                  ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this changes meaning in Rust 2021
[INFO] [stdout]     = note: for more information, see issue #66145 <https://github.com/rust-lang/rust/issues/66145>
[INFO] [stdout] help: use `.iter()` instead of `.into_iter()` to avoid ambiguity
[INFO] [stdout]     |
[INFO] [stdout] 744 |             for index in indices.iter() {
[INFO] [stdout]     |                                  ^^^^
[INFO] [stdout] help: or remove `.into_iter()` to iterate by value
[INFO] [stdout]     |
[INFO] [stdout] 744 |             for index in indices {
[INFO] [stdout]     |                                --
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/main.rs:46:13
[INFO] [stdout]    |
[INFO] [stdout] 46 |             image_lib::ImageRgba8(img).save(&path);
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/main.rs:46:13
[INFO] [stdout]    |
[INFO] [stdout] 46 |             image_lib::ImageRgba8(img).save(&path);
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 24 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 24 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 17.96s
[INFO] running `Command { std: "docker" "inspect" "d589d0d3c9cb834ffb1dbb77aedfe4f7083f45bc9336341df03f1f6eebccc7a3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d589d0d3c9cb834ffb1dbb77aedfe4f7083f45bc9336341df03f1f6eebccc7a3", kill_on_drop: false }`
[INFO] [stdout] d589d0d3c9cb834ffb1dbb77aedfe4f7083f45bc9336341df03f1f6eebccc7a3