[INFO] cloning repository https://github.com/treeman/rqr
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/treeman/rqr" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftreeman%2Frqr", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftreeman%2Frqr'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ffd1a994eb2db53d78c289e92eb7199410508c5b
[INFO] testing treeman/rqr against 1.59.0 for beta-1.60-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftreeman%2Frqr" "/workspace/builds/worker-106/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-106/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/treeman/rqr on toolchain 1.59.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/treeman/rqr
[INFO] finished tweaking git repo https://github.com/treeman/rqr
[INFO] tweaked toml for git repo https://github.com/treeman/rqr written to /workspace/builds/worker-106/source/Cargo.toml
[INFO] crate git repo https://github.com/treeman/rqr already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "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 clap v2.27.1
[INFO] [stderr]   Downloaded bitvec v0.10.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-106/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-106/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 511634d66947336717f26430cfc355aa7717eab44e91e9fa068b2618cfcacd1a
[INFO] running `Command { std: "docker" "start" "-a" "511634d66947336717f26430cfc355aa7717eab44e91e9fa068b2618cfcacd1a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "511634d66947336717f26430cfc355aa7717eab44e91e9fa068b2618cfcacd1a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "511634d66947336717f26430cfc355aa7717eab44e91e9fa068b2618cfcacd1a", kill_on_drop: false }`
[INFO] [stdout] 511634d66947336717f26430cfc355aa7717eab44e91e9fa068b2618cfcacd1a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-106/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-106/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=warn" "-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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e5161c33a694da74a9e6ff93031330a8578eccd784e8a394788eccf81b5e6c6d
[INFO] running `Command { std: "docker" "start" "-a" "e5161c33a694da74a9e6ff93031330a8578eccd784e8a394788eccf81b5e6c6d", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling memchr v2.2.0
[INFO] [stderr]    Compiling regex v1.1.6
[INFO] [stderr]    Compiling ucd-util v0.1.3
[INFO] [stderr]    Compiling lazy_static v1.3.0
[INFO] [stderr]    Compiling utf8-ranges v1.0.2
[INFO] [stderr]    Compiling bitvec v0.10.1
[INFO] [stderr]    Compiling thread_local v0.3.6
[INFO] [stderr]    Compiling regex-syntax v0.6.6
[INFO] [stderr]    Compiling aho-corasick v0.7.3
[INFO] [stderr]    Compiling rqr v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]   --> src/version.rs:37:9
[INFO] [stdout]    |
[INFO] [stdout] 37 |         (((self.index()) * 4) + 21)
[INFO] [stdout]    |         ^                         ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 37 -         (((self.index()) * 4) + 21)
[INFO] [stdout] 37 +         ((self.index()) * 4) + 21
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]   --> src/version.rs:77:9
[INFO] [stdout]    |
[INFO] [stdout] 77 |         (self.0 - 1)
[INFO] [stdout]    |         ^          ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 77 -         (self.0 - 1)
[INFO] [stdout] 77 +         self.0 - 1
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/mask.rs:203:26
[INFO] [stdout]     |
[INFO] [stdout] 203 | fn apply_mask_fun(f: Box<Fn(usize, usize) -> bool>, matrix: &Matrix) -> Matrix {
[INFO] [stdout]     |                          ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) 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] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 203 - fn apply_mask_fun(f: Box<Fn(usize, usize) -> bool>, matrix: &Matrix) -> Matrix {
[INFO] [stdout] 203 + fn apply_mask_fun(f: Box<dyn Fn(usize, usize) -> bool>, matrix: &Matrix) -> Matrix {
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/mask.rs:21:26
[INFO] [stdout]    |
[INFO] [stdout] 21 |     fn fun(&self) -> Box<Fn(usize, usize) -> bool> {
[INFO] [stdout]    |                          ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) 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] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 21 -     fn fun(&self) -> Box<Fn(usize, usize) -> bool> {
[INFO] [stdout] 21 +     fn fun(&self) -> Box<dyn Fn(usize, usize) -> bool> {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10.59s
[INFO] running `Command { std: "docker" "inspect" "e5161c33a694da74a9e6ff93031330a8578eccd784e8a394788eccf81b5e6c6d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e5161c33a694da74a9e6ff93031330a8578eccd784e8a394788eccf81b5e6c6d", kill_on_drop: false }`
[INFO] [stdout] e5161c33a694da74a9e6ff93031330a8578eccd784e8a394788eccf81b5e6c6d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-106/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-106/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=warn" "-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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b080e101b4e73cefd0f1daba7123c16a7e496e9b6dddab980dfa599286b1e31b
[INFO] running `Command { std: "docker" "start" "-a" "b080e101b4e73cefd0f1daba7123c16a7e496e9b6dddab980dfa599286b1e31b", kill_on_drop: false }`
[INFO] [stderr]    Compiling rqr v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]   --> src/version.rs:37:9
[INFO] [stdout]    |
[INFO] [stdout] 37 |         (((self.index()) * 4) + 21)
[INFO] [stdout]    |         ^                         ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 37 -         (((self.index()) * 4) + 21)
[INFO] [stdout] 37 +         ((self.index()) * 4) + 21
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]   --> src/version.rs:77:9
[INFO] [stdout]    |
[INFO] [stdout] 77 |         (self.0 - 1)
[INFO] [stdout]    |         ^          ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 77 -         (self.0 - 1)
[INFO] [stdout] 77 +         self.0 - 1
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/mask.rs:203:26
[INFO] [stdout]     |
[INFO] [stdout] 203 | fn apply_mask_fun(f: Box<Fn(usize, usize) -> bool>, matrix: &Matrix) -> Matrix {
[INFO] [stdout]     |                          ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) 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] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 203 - fn apply_mask_fun(f: Box<Fn(usize, usize) -> bool>, matrix: &Matrix) -> Matrix {
[INFO] [stdout] 203 + fn apply_mask_fun(f: Box<dyn Fn(usize, usize) -> bool>, matrix: &Matrix) -> Matrix {
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/mask.rs:21:26
[INFO] [stdout]    |
[INFO] [stdout] 21 |     fn fun(&self) -> Box<Fn(usize, usize) -> bool> {
[INFO] [stdout]    |                          ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) 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] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 21 -     fn fun(&self) -> Box<Fn(usize, usize) -> bool> {
[INFO] [stdout] 21 +     fn fun(&self) -> Box<dyn Fn(usize, usize) -> bool> {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]   --> src/version.rs:37:9
[INFO] [stdout]    |
[INFO] [stdout] 37 |         (((self.index()) * 4) + 21)
[INFO] [stdout]    |         ^                         ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 37 -         (((self.index()) * 4) + 21)
[INFO] [stdout] 37 +         ((self.index()) * 4) + 21
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]   --> src/version.rs:77:9
[INFO] [stdout]    |
[INFO] [stdout] 77 |         (self.0 - 1)
[INFO] [stdout]    |         ^          ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 77 -         (self.0 - 1)
[INFO] [stdout] 77 +         self.0 - 1
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/mask.rs:203:26
[INFO] [stdout]     |
[INFO] [stdout] 203 | fn apply_mask_fun(f: Box<Fn(usize, usize) -> bool>, matrix: &Matrix) -> Matrix {
[INFO] [stdout]     |                          ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) 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] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 203 - fn apply_mask_fun(f: Box<Fn(usize, usize) -> bool>, matrix: &Matrix) -> Matrix {
[INFO] [stdout] 203 + fn apply_mask_fun(f: Box<dyn Fn(usize, usize) -> bool>, matrix: &Matrix) -> Matrix {
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/mask.rs:21:26
[INFO] [stdout]    |
[INFO] [stdout] 21 |     fn fun(&self) -> Box<Fn(usize, usize) -> bool> {
[INFO] [stdout]    |                          ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) 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] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 21 -     fn fun(&self) -> Box<Fn(usize, usize) -> bool> {
[INFO] [stdout] 21 +     fn fun(&self) -> Box<dyn Fn(usize, usize) -> bool> {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.72s
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "b080e101b4e73cefd0f1daba7123c16a7e496e9b6dddab980dfa599286b1e31b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b080e101b4e73cefd0f1daba7123c16a7e496e9b6dddab980dfa599286b1e31b", kill_on_drop: false }`
[INFO] [stdout] b080e101b4e73cefd0f1daba7123c16a7e496e9b6dddab980dfa599286b1e31b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-106/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-106/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=warn" "-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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] cf5197c7b014cffffb1a4c7e9bc491fa67f3c76eb5d9d64d7b3961cbd04d51f2
[INFO] running `Command { std: "docker" "start" "-a" "cf5197c7b014cffffb1a4c7e9bc491fa67f3c76eb5d9d64d7b3961cbd04d51f2", kill_on_drop: false }`
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]   --> src/version.rs:37:9
[INFO] [stderr]    |
[INFO] [stderr] 37 |         (((self.index()) * 4) + 21)
[INFO] [stderr]    |         ^                         ^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr] 37 -         (((self.index()) * 4) + 21)
[INFO] [stderr] 37 +         ((self.index()) * 4) + 21
[INFO] [stderr]    | 
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]   --> src/version.rs:77:9
[INFO] [stderr]    |
[INFO] [stderr] 77 |         (self.0 - 1)
[INFO] [stderr]    |         ^          ^
[INFO] [stderr]    |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr] 77 -         (self.0 - 1)
[INFO] [stderr] 77 +         self.0 - 1
[INFO] [stderr]    | 
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/mask.rs:203:26
[INFO] [stderr]     |
[INFO] [stderr] 203 | fn apply_mask_fun(f: Box<Fn(usize, usize) -> bool>, matrix: &Matrix) -> Matrix {
[INFO] [stderr]     |                          ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]     |
[INFO] [stderr] 203 - fn apply_mask_fun(f: Box<Fn(usize, usize) -> bool>, matrix: &Matrix) -> Matrix {
[INFO] [stderr] 203 + fn apply_mask_fun(f: Box<dyn Fn(usize, usize) -> bool>, matrix: &Matrix) -> Matrix {
[INFO] [stderr]     | 
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/mask.rs:21:26
[INFO] [stderr]    |
[INFO] [stderr] 21 |     fn fun(&self) -> Box<Fn(usize, usize) -> bool> {
[INFO] [stderr]    |                          ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]    |
[INFO] [stderr] 21 -     fn fun(&self) -> Box<Fn(usize, usize) -> bool> {
[INFO] [stderr] 21 +     fn fun(&self) -> Box<dyn Fn(usize, usize) -> bool> {
[INFO] [stderr]    | 
[INFO] [stderr] 
[INFO] [stderr] warning: `rqr` (lib) generated 4 warnings
[INFO] [stderr] warning: `rqr` (lib test) generated 4 warnings (4 duplicates)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rqr-8c1f87907d8caf4d)
[INFO] [stdout] 
[INFO] [stdout] running 26 tests
[INFO] [stdout] test builder::tests::add_raw_data ... ok
[INFO] [stdout] test builder::tests::finders ... ok
[INFO] [stdout] test builder::tests::format_info ... ok
[INFO] [stdout] test builder::tests::config ... ok
[INFO] [stdout] test builder::tests::fun_patterns ... ok
[INFO] [stdout] test builder::tests::fun_patterns_large ... ok
[INFO] [stdout] test data::tests::internal ... ok
[INFO] [stdout] test builder::tests::add_data ... ok
[INFO] [stdout] test data::tests::encode_full ... ok
[INFO] [stdout] test ec::tests::ec_tutorial_example ... ok
[INFO] [stdout] test ec::tests::group_tutorial_example ... ok
[INFO] [stdout] test info::tests::data ... ok
[INFO] [stdout] test info::tests::info ... ok
[INFO] [stdout] test mask::tests::apply_mask ... ok
[INFO] [stdout] test ec::tests::add_simple ... ok
[INFO] [stdout] test render::tests::color ... ok
[INFO] [stdout] test ec::tests::interleave_tutorial_example ... ok
[INFO] [stdout] test mode::tests::creation ... ok
[INFO] [stdout] test mode::tests::internal ... ok
[INFO] [stdout] test version::tests::minimal_version ... ok
[INFO] [stdout] test version::tests::version ... ok
[INFO] [stdout] test mask::tests::mask_evaluation ... ok
[INFO] [stdout] test builder::tests::hello_world ... ok
[INFO] [stdout] test render::tests::string_renderer ... ok
[INFO] [stdout] test render::tests::svg_renderer ... ok
[INFO] [stdout] test builder::tests::into_qr ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 26 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.07s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests rqr
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]   --> /opt/rustwide/workdir/src/version.rs:37:9
[INFO] [stderr]    |
[INFO] [stderr] 37 |         (((self.index()) * 4) + 21)
[INFO] [stderr]    |         ^                         ^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr] 37 -         (((self.index()) * 4) + 21)
[INFO] [stderr] 37 +         ((self.index()) * 4) + 21
[INFO] [stderr]    | 
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]   --> /opt/rustwide/workdir/src/version.rs:77:9
[INFO] [stderr]    |
[INFO] [stderr] 77 |         (self.0 - 1)
[INFO] [stderr]    |         ^          ^
[INFO] [stderr]    |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr] 77 -         (self.0 - 1)
[INFO] [stderr] 77 +         self.0 - 1
[INFO] [stderr]    | 
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] test src/render.rs - render::Color::from_7_hex (line 184) ... ok
[INFO] [stdout] test src/render.rs - render::Color::from_4_hex (line 163) ... ok
[INFO] [stdout] test src/render.rs - render::Color::to_hex_str (line 203) ... ok
[INFO] [stdout] test src/render.rs - render::Color::hex (line 150) ... ok
[INFO] [stdout] test src/lib.rs - (line 44) ... ok
[INFO] [stdout] test src/lib.rs - (line 12) ... ok
[INFO] [stdout] test src/lib.rs - (line 25) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.08s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "cf5197c7b014cffffb1a4c7e9bc491fa67f3c76eb5d9d64d7b3961cbd04d51f2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cf5197c7b014cffffb1a4c7e9bc491fa67f3c76eb5d9d64d7b3961cbd04d51f2", kill_on_drop: false }`
[INFO] [stdout] cf5197c7b014cffffb1a4c7e9bc491fa67f3c76eb5d9d64d7b3961cbd04d51f2