[INFO] cloning repository https://github.com/scoiatael/colorls-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/scoiatael/colorls-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fscoiatael%2Fcolorls-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fscoiatael%2Fcolorls-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] bf0513187dcdba3e604b8228b8ac6baafbfa15a1
[INFO] testing scoiatael/colorls-rs against 1.59.0 for beta-1.60-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fscoiatael%2Fcolorls-rs" "/workspace/builds/worker-18/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-18/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/scoiatael/colorls-rs 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/scoiatael/colorls-rs
[INFO] finished tweaking git repo https://github.com/scoiatael/colorls-rs
[INFO] tweaked toml for git repo https://github.com/scoiatael/colorls-rs written to /workspace/builds/worker-18/source/Cargo.toml
[INFO] crate git repo https://github.com/scoiatael/colorls-rs 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/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] 755013513aa4b8713aa2331375e3ebcb469f12ef5c6669a97c853b468c9b701b
[INFO] running `Command { std: "docker" "start" "-a" "755013513aa4b8713aa2331375e3ebcb469f12ef5c6669a97c853b468c9b701b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "755013513aa4b8713aa2331375e3ebcb469f12ef5c6669a97c853b468c9b701b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "755013513aa4b8713aa2331375e3ebcb469f12ef5c6669a97c853b468c9b701b", kill_on_drop: false }`
[INFO] [stdout] 755013513aa4b8713aa2331375e3ebcb469f12ef5c6669a97c853b468c9b701b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/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] f53d6c1bb825c324824f4779bca1d80aa05c1e362f3927fb2f943e485c55fe6f
[INFO] running `Command { std: "docker" "start" "-a" "f53d6c1bb825c324824f4779bca1d80aa05c1e362f3927fb2f943e485c55fe6f", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.30
[INFO] [stderr]    Compiling linked-hash-map v0.3.0
[INFO] [stderr]    Compiling num-traits v0.1.40
[INFO] [stderr]    Compiling strsim v0.6.0
[INFO] [stderr]    Compiling bitflags v0.9.1
[INFO] [stderr]    Compiling serde v0.9.15
[INFO] [stderr]    Compiling ansi_term v0.9.0
[INFO] [stderr]    Compiling unicode-segmentation v1.2.0
[INFO] [stderr]    Compiling serde_codegen_internals v0.14.2
[INFO] [stderr]    Compiling yaml-rust v0.3.5
[INFO] [stderr]    Compiling term_size v0.3.0
[INFO] [stderr]    Compiling atty v0.2.2
[INFO] [stderr]    Compiling termion v1.5.1
[INFO] [stderr]    Compiling num-integer v0.1.35
[INFO] [stderr]    Compiling textwrap v0.8.0
[INFO] [stderr]    Compiling serde_derive v0.9.15
[INFO] [stderr]    Compiling num-iter v0.1.34
[INFO] [stderr]    Compiling clap v2.26.1
[INFO] [stderr]    Compiling serde_yaml v0.6.2
[INFO] [stderr]    Compiling colorls v0.1.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]    --> src/formatter.rs:129:22
[INFO] [stdout]     |
[INFO] [stdout] 129 |     fn format(&self, &EntryConfig, &Entry) -> String;
[INFO] [stdout]     |                      ^^^^^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &EntryConfig`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(anonymous_parameters)]` on by default
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]     = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]    --> src/formatter.rs:129:36
[INFO] [stdout]     |
[INFO] [stdout] 129 |     fn format(&self, &EntryConfig, &Entry) -> String;
[INFO] [stdout]     |                                    ^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &Entry`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]     = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]    --> src/formatter.rs:130:23
[INFO] [stdout]     |
[INFO] [stdout] 130 |     fn predict(&self, &Entry) -> usize;
[INFO] [stdout]     |                       ^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &Entry`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]     = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]   --> src/tabulator.rs:67:24
[INFO] [stdout]    |
[INFO] [stdout] 67 |     fn tabulate(&self, &Config, Vec<Entry>) -> Output;
[INFO] [stdout]    |                        ^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &Config`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]    = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]   --> src/tabulator.rs:67:33
[INFO] [stdout]    |
[INFO] [stdout] 67 |     fn tabulate(&self, &Config, Vec<Entry>) -> Output;
[INFO] [stdout]    |                                 ^^^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: Vec<Entry>`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]    = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/colors.rs:115:33
[INFO] [stdout]     |
[INFO] [stdout] 115 | pub struct ColorWrapper(pub Box<color::Color>);
[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 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] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 115 - pub struct ColorWrapper(pub Box<color::Color>);
[INFO] [stdout] 115 + pub struct ColorWrapper(pub Box<dyn color::Color>);
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/tabulator.rs:12:24
[INFO] [stdout]    |
[INFO] [stdout] 12 |     pub formatter: Box<Formatter>,
[INFO] [stdout]    |                        ^^^^^^^^^
[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] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 12 -     pub formatter: Box<Formatter>,
[INFO] [stdout] 12 +     pub formatter: Box<dyn Formatter>,
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:28:24
[INFO] [stdout]    |
[INFO] [stdout] 28 |     pub tabulator: Box<Tabulator>,
[INFO] [stdout]    |                        ^^^^^^^^^
[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] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 28 -     pub tabulator: Box<Tabulator>,
[INFO] [stdout] 28 +     pub tabulator: Box<dyn Tabulator>,
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/formatter.rs:90:20
[INFO] [stdout]    |
[INFO] [stdout] 90 |     let boxed: Box<color::Color> = match config.colors.get(color).unwrap_or(&RealColor::Grey) {
[INFO] [stdout]    |                    ^^^^^^^^^^^^
[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] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 90 -     let boxed: Box<color::Color> = match config.colors.get(color).unwrap_or(&RealColor::Grey) {
[INFO] [stdout] 90 +     let boxed: Box<dyn color::Color> = match config.colors.get(color).unwrap_or(&RealColor::Grey) {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 9 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/main.rs:47:25
[INFO] [stdout]    |
[INFO] [stdout] 47 |     let tabulator : Box<Tabulator> = match matches.occurrences_of("naive") {
[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 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] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 47 -     let tabulator : Box<Tabulator> = match matches.occurrences_of("naive") {
[INFO] [stdout] 47 +     let tabulator : Box<dyn Tabulator> = match matches.occurrences_of("naive") {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/main.rs:52:25
[INFO] [stdout]    |
[INFO] [stdout] 52 |     let formatter : Box<Formatter> = match matches.occurrences_of("long") {
[INFO] [stdout]    |                         ^^^^^^^^^
[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] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 52 -     let formatter : Box<Formatter> = match matches.occurrences_of("long") {
[INFO] [stdout] 52 +     let formatter : Box<dyn Formatter> = match matches.occurrences_of("long") {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.57s
[INFO] running `Command { std: "docker" "inspect" "f53d6c1bb825c324824f4779bca1d80aa05c1e362f3927fb2f943e485c55fe6f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f53d6c1bb825c324824f4779bca1d80aa05c1e362f3927fb2f943e485c55fe6f", kill_on_drop: false }`
[INFO] [stdout] f53d6c1bb825c324824f4779bca1d80aa05c1e362f3927fb2f943e485c55fe6f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/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] b279b24dde271cd26941a469669d18277ffabb9a893a3905a017ebc4b1464f7d
[INFO] running `Command { std: "docker" "start" "-a" "b279b24dde271cd26941a469669d18277ffabb9a893a3905a017ebc4b1464f7d", kill_on_drop: false }`
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]    --> src/formatter.rs:129:22
[INFO] [stdout]     |
[INFO] [stdout] 129 |     fn format(&self, &EntryConfig, &Entry) -> String;
[INFO] [stdout]     |                      ^^^^^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &EntryConfig`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(anonymous_parameters)]` on by default
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]     = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]    --> src/formatter.rs:129:36
[INFO] [stdout]     |
[INFO] [stdout] 129 |     fn format(&self, &EntryConfig, &Entry) -> String;
[INFO] [stdout]     |                                    ^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &Entry`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]     = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]    --> src/formatter.rs:130:23
[INFO] [stdout]     |
[INFO] [stdout] 130 |     fn predict(&self, &Entry) -> usize;
[INFO] [stdout]     |                       ^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &Entry`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]     = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]   --> src/tabulator.rs:67:24
[INFO] [stdout]    |
[INFO] [stdout] 67 |     fn tabulate(&self, &Config, Vec<Entry>) -> Output;
[INFO] [stdout]    |                        ^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &Config`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]    = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]   --> src/tabulator.rs:67:33
[INFO] [stdout]    |
[INFO] [stdout] 67 |     fn tabulate(&self, &Config, Vec<Entry>) -> Output;
[INFO] [stdout]    |                                 ^^^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: Vec<Entry>`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]    = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/colors.rs:115:33
[INFO] [stdout]     |
[INFO] [stdout] 115 | pub struct ColorWrapper(pub Box<color::Color>);
[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 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] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 115 - pub struct ColorWrapper(pub Box<color::Color>);
[INFO] [stdout] 115 + pub struct ColorWrapper(pub Box<dyn color::Color>);
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/tabulator.rs:12:24
[INFO] [stdout]    |
[INFO] [stdout] 12 |     pub formatter: Box<Formatter>,
[INFO] [stdout]    |                        ^^^^^^^^^
[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] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 12 -     pub formatter: Box<Formatter>,
[INFO] [stdout] 12 +     pub formatter: Box<dyn Formatter>,
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:28:24
[INFO] [stdout]    |
[INFO] [stdout] 28 |     pub tabulator: Box<Tabulator>,
[INFO] [stdout]    |                        ^^^^^^^^^
[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] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 28 -     pub tabulator: Box<Tabulator>,
[INFO] [stdout] 28 +     pub tabulator: Box<dyn Tabulator>,
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling colorls v0.1.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/formatter.rs:90:20
[INFO] [stdout]    |
[INFO] [stdout] 90 |     let boxed: Box<color::Color> = match config.colors.get(color).unwrap_or(&RealColor::Grey) {
[INFO] [stdout]    |                    ^^^^^^^^^^^^
[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] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 90 -     let boxed: Box<color::Color> = match config.colors.get(color).unwrap_or(&RealColor::Grey) {
[INFO] [stdout] 90 +     let boxed: Box<dyn color::Color> = match config.colors.get(color).unwrap_or(&RealColor::Grey) {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 9 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]    --> src/formatter.rs:129:22
[INFO] [stdout]     |
[INFO] [stdout] 129 |     fn format(&self, &EntryConfig, &Entry) -> String;
[INFO] [stdout]     |                      ^^^^^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &EntryConfig`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(anonymous_parameters)]` on by default
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]     = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]    --> src/formatter.rs:129:36
[INFO] [stdout]     |
[INFO] [stdout] 129 |     fn format(&self, &EntryConfig, &Entry) -> String;
[INFO] [stdout]     |                                    ^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &Entry`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]     = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]    --> src/formatter.rs:130:23
[INFO] [stdout]     |
[INFO] [stdout] 130 |     fn predict(&self, &Entry) -> usize;
[INFO] [stdout]     |                       ^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &Entry`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]     = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]   --> src/tabulator.rs:67:24
[INFO] [stdout]    |
[INFO] [stdout] 67 |     fn tabulate(&self, &Config, Vec<Entry>) -> Output;
[INFO] [stdout]    |                        ^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &Config`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]    = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]   --> src/tabulator.rs:67:33
[INFO] [stdout]    |
[INFO] [stdout] 67 |     fn tabulate(&self, &Config, Vec<Entry>) -> Output;
[INFO] [stdout]    |                                 ^^^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: Vec<Entry>`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]    = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/colors.rs:115:33
[INFO] [stdout]     |
[INFO] [stdout] 115 | pub struct ColorWrapper(pub Box<color::Color>);
[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 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] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 115 - pub struct ColorWrapper(pub Box<color::Color>);
[INFO] [stdout] 115 + pub struct ColorWrapper(pub Box<dyn color::Color>);
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/tabulator.rs:12:24
[INFO] [stdout]    |
[INFO] [stdout] 12 |     pub formatter: Box<Formatter>,
[INFO] [stdout]    |                        ^^^^^^^^^
[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] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 12 -     pub formatter: Box<Formatter>,
[INFO] [stdout] 12 +     pub formatter: Box<dyn Formatter>,
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:28:24
[INFO] [stdout]    |
[INFO] [stdout] 28 |     pub tabulator: Box<Tabulator>,
[INFO] [stdout]    |                        ^^^^^^^^^
[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] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 28 -     pub tabulator: Box<Tabulator>,
[INFO] [stdout] 28 +     pub tabulator: Box<dyn Tabulator>,
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/main.rs:47:25
[INFO] [stdout]    |
[INFO] [stdout] 47 |     let tabulator : Box<Tabulator> = match matches.occurrences_of("naive") {
[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 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] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 47 -     let tabulator : Box<Tabulator> = match matches.occurrences_of("naive") {
[INFO] [stdout] 47 +     let tabulator : Box<dyn Tabulator> = match matches.occurrences_of("naive") {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/main.rs:52:25
[INFO] [stdout]    |
[INFO] [stdout] 52 |     let formatter : Box<Formatter> = match matches.occurrences_of("long") {
[INFO] [stdout]    |                         ^^^^^^^^^
[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] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 52 -     let formatter : Box<Formatter> = match matches.occurrences_of("long") {
[INFO] [stdout] 52 +     let formatter : Box<dyn Formatter> = match matches.occurrences_of("long") {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/formatter.rs:90:20
[INFO] [stdout]    |
[INFO] [stdout] 90 |     let boxed: Box<color::Color> = match config.colors.get(color).unwrap_or(&RealColor::Grey) {
[INFO] [stdout]    |                    ^^^^^^^^^^^^
[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] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 90 -     let boxed: Box<color::Color> = match config.colors.get(color).unwrap_or(&RealColor::Grey) {
[INFO] [stdout] 90 +     let boxed: Box<dyn color::Color> = match config.colors.get(color).unwrap_or(&RealColor::Grey) {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 9 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.70s
[INFO] running `Command { std: "docker" "inspect" "b279b24dde271cd26941a469669d18277ffabb9a893a3905a017ebc4b1464f7d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b279b24dde271cd26941a469669d18277ffabb9a893a3905a017ebc4b1464f7d", kill_on_drop: false }`
[INFO] [stdout] b279b24dde271cd26941a469669d18277ffabb9a893a3905a017ebc4b1464f7d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/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] e6c4073071ff0eaf9e6177e99b3b06aafb6474ae7e3dc1c49e85f3c65dbc83e2
[INFO] running `Command { std: "docker" "start" "-a" "e6c4073071ff0eaf9e6177e99b3b06aafb6474ae7e3dc1c49e85f3c65dbc83e2", kill_on_drop: false }`
[INFO] [stderr] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stderr]    --> src/formatter.rs:129:22
[INFO] [stderr]     |
[INFO] [stderr] 129 |     fn format(&self, &EntryConfig, &Entry) -> String;
[INFO] [stderr]     |                      ^^^^^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &EntryConfig`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(anonymous_parameters)]` on by default
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stderr]     = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stderr] 
[INFO] [stderr] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stderr]    --> src/formatter.rs:129:36
[INFO] [stderr]     |
[INFO] [stderr] 129 |     fn format(&self, &EntryConfig, &Entry) -> String;
[INFO] [stderr]     |                                    ^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &Entry`
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stderr]     = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stderr] 
[INFO] [stderr] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stderr]    --> src/formatter.rs:130:23
[INFO] [stderr]     |
[INFO] [stderr] 130 |     fn predict(&self, &Entry) -> usize;
[INFO] [stderr]     |                       ^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &Entry`
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stderr]     = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stderr] 
[INFO] [stderr] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stderr]   --> src/tabulator.rs:67:24
[INFO] [stderr]    |
[INFO] [stderr] 67 |     fn tabulate(&self, &Config, Vec<Entry>) -> Output;
[INFO] [stderr]    |                        ^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &Config`
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stderr]    = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stderr] 
[INFO] [stderr] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stderr]   --> src/tabulator.rs:67:33
[INFO] [stderr]    |
[INFO] [stderr] 67 |     fn tabulate(&self, &Config, Vec<Entry>) -> Output;
[INFO] [stderr]    |                                 ^^^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: Vec<Entry>`
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stderr]    = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/colors.rs:115:33
[INFO] [stderr]     |
[INFO] [stderr] 115 | pub struct ColorWrapper(pub Box<color::Color>);
[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 2015) 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] 115 - pub struct ColorWrapper(pub Box<color::Color>);
[INFO] [stderr] 115 + pub struct ColorWrapper(pub Box<dyn color::Color>);
[INFO] [stderr]     | 
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/tabulator.rs:12:24
[INFO] [stderr]    |
[INFO] [stderr] 12 |     pub formatter: Box<Formatter>,
[INFO] [stderr]    |                        ^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) 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] 12 -     pub formatter: Box<Formatter>,
[INFO] [stderr] 12 +     pub formatter: Box<dyn Formatter>,
[INFO] [stderr]    | 
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:28:24
[INFO] [stderr]    |
[INFO] [stderr] 28 |     pub tabulator: Box<Tabulator>,
[INFO] [stderr]    |                        ^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) 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] 28 -     pub tabulator: Box<Tabulator>,
[INFO] [stderr] 28 +     pub tabulator: Box<dyn Tabulator>,
[INFO] [stderr]    | 
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/formatter.rs:90:20
[INFO] [stderr]    |
[INFO] [stderr] 90 |     let boxed: Box<color::Color> = match config.colors.get(color).unwrap_or(&RealColor::Grey) {
[INFO] [stderr]    |                    ^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) 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] 90 -     let boxed: Box<color::Color> = match config.colors.get(color).unwrap_or(&RealColor::Grey) {
[INFO] [stderr] 90 +     let boxed: Box<dyn color::Color> = match config.colors.get(color).unwrap_or(&RealColor::Grey) {
[INFO] [stderr]    | 
[INFO] [stderr] 
[INFO] [stderr] warning: `colorls` (lib) generated 9 warnings
[INFO] [stderr] warning: `colorls` (lib test) generated 9 warnings (9 duplicates)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:47:25
[INFO] [stderr]    |
[INFO] [stderr] 47 |     let tabulator : Box<Tabulator> = match matches.occurrences_of("naive") {
[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 2015) 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] 47 -     let tabulator : Box<Tabulator> = match matches.occurrences_of("naive") {
[INFO] [stderr] 47 +     let tabulator : Box<dyn Tabulator> = match matches.occurrences_of("naive") {
[INFO] [stderr]    | 
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:52:25
[INFO] [stderr]    |
[INFO] [stderr] 52 |     let formatter : Box<Formatter> = match matches.occurrences_of("long") {
[INFO] [stderr]    |                         ^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) 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] 52 -     let formatter : Box<Formatter> = match matches.occurrences_of("long") {
[INFO] [stderr] 52 +     let formatter : Box<dyn Formatter> = match matches.occurrences_of("long") {
[INFO] [stderr]    | 
[INFO] [stderr] 
[INFO] [stderr] warning: `colorls` (bin "colorls" test) generated 2 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/colorls-57743ff2bf305646)
[INFO] [stdout] 
[INFO] [stdout] running 17 tests
[INFO] [stdout] test formatter::strlen_tests::for_string_with_icons ... ok
[INFO] [stdout] test formatter::strlen_tests::for_string_with_color ... ok
[INFO] [stdout] test formatter::strlen_tests::for_normal_string ... ok
[INFO] [stdout] test formatter::strlen_tests::for_string_with_icons_via_code ... ok
[INFO] [stdout] test formatter::strlen_tests::for_string_with_weird_stuff ... ok
[INFO] [stdout] test tabulator::binsearch_tests::for_simple_case ... ok
[INFO] [stdout] test tabulator::binsearch_tests::when_array_is_big ... ok
[INFO] [stdout] test tabulator::binsearch_tests::when_array_is_empty ... ok
[INFO] [stdout] test tabulator::binsearch_tests::when_array_is_small ... ok
[INFO] [stdout] test tabulator::binsearch_tests::when_nothing_matches ... ok
[INFO] [stdout] test tabulator::horizontal_line_breaker_tests::for_simple_case ... ok
[INFO] [stdout] test tabulator::horizontal_line_breaker_tests::when_only_one_row ... ok
[INFO] [stdout] test tabulator::is_valid_tests::for_simple_case ... ok
[INFO] [stdout] test tabulator::is_valid_tests::when_fits ... ok
[INFO] [stdout] test tabulator::is_valid_tests::when_total_col_width_exceeds_max ... ok
[INFO] [stdout] test tabulator::vertical_line_breaker_tests::for_simple_case ... ok
[INFO] [stdout] test tabulator::vertical_line_breaker_tests::when_only_one_row ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 17 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/colorls-1d0b67726400a301)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests colorls
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "e6c4073071ff0eaf9e6177e99b3b06aafb6474ae7e3dc1c49e85f3c65dbc83e2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e6c4073071ff0eaf9e6177e99b3b06aafb6474ae7e3dc1c49e85f3c65dbc83e2", kill_on_drop: false }`
[INFO] [stdout] e6c4073071ff0eaf9e6177e99b3b06aafb6474ae7e3dc1c49e85f3c65dbc83e2