[INFO] fetching crate littletest 0.2.2...
[INFO] testing littletest-0.2.2 against beta-2022-02-22 for beta-1.60-1
[INFO] extracting crate littletest 0.2.2 into /workspace/builds/worker-23/source
[INFO] validating manifest of crates.io crate littletest 0.2.2 on toolchain beta-2022-02-22
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate littletest 0.2.2
[INFO] finished tweaking crates.io crate littletest 0.2.2
[INFO] tweaked toml for crates.io crate littletest 0.2.2 written to /workspace/builds/worker-23/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "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" "+beta-2022-02-22" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded rayon v0.5.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/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" "+beta-2022-02-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 02f7ed036596f1315c02033688527c0050d860c3a6839b50348835e6bb6265eb
[INFO] running `Command { std: "docker" "start" "-a" "02f7ed036596f1315c02033688527c0050d860c3a6839b50348835e6bb6265eb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "02f7ed036596f1315c02033688527c0050d860c3a6839b50348835e6bb6265eb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "02f7ed036596f1315c02033688527c0050d860c3a6839b50348835e6bb6265eb", kill_on_drop: false }`
[INFO] [stdout] 02f7ed036596f1315c02033688527c0050d860c3a6839b50348835e6bb6265eb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/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" "+beta-2022-02-22" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 794513292e79227ed89eae682734a134b4a55f8e6f9dc85896105bb32012e232
[INFO] running `Command { std: "docker" "start" "-a" "794513292e79227ed89eae682734a134b4a55f8e6f9dc85896105bb32012e232", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling deque v0.3.2
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling rand v0.3.23
[INFO] [stderr]    Compiling rayon v0.5.0
[INFO] [stderr]    Compiling littletest v0.2.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/reporters.rs:13:24
[INFO] [stdout]    |
[INFO] [stdout] 13 |     reporters: Vec<Box<Reporter>>,
[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] 13 -     reporters: Vec<Box<Reporter>>,
[INFO] [stdout] 13 +     reporters: Vec<Box<dyn Reporter>>,
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:25:45
[INFO] [stdout]    |
[INFO] [stdout] 25 |     pub fn run<'run>(&self, tests: &Vec<Box<Runnable + Sync + 'run>>) {
[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] 25 -     pub fn run<'run>(&self, tests: &Vec<Box<Runnable + Sync + 'run>>) {
[INFO] [stdout] 25 +     pub fn run<'run>(&self, tests: &Vec<Box<dyn Runnable + Sync + 'run>>) {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/reporters.rs:17:35
[INFO] [stdout]    |
[INFO] [stdout] 17 |     pub fn new(reporters: Vec<Box<Reporter>>) -> CompositeReporter {
[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] 17 -     pub fn new(reporters: Vec<Box<Reporter>>) -> CompositeReporter {
[INFO] [stdout] 17 +     pub fn new(reporters: Vec<Box<dyn Reporter>>) -> CompositeReporter {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:26:32
[INFO] [stdout]    |
[INFO] [stdout] 26 |         let reporters: Vec<Box<Reporter>> = vec![Box::new(ProgressReporter::new()),
[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] 26 -         let reporters: Vec<Box<Reporter>> = vec![Box::new(ProgressReporter::new()),
[INFO] [stdout] 26 +         let reporters: Vec<Box<dyn Reporter>> = vec![Box::new(ProgressReporter::new()),
[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 1.54s
[INFO] running `Command { std: "docker" "inspect" "794513292e79227ed89eae682734a134b4a55f8e6f9dc85896105bb32012e232", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "794513292e79227ed89eae682734a134b4a55f8e6f9dc85896105bb32012e232", kill_on_drop: false }`
[INFO] [stdout] 794513292e79227ed89eae682734a134b4a55f8e6f9dc85896105bb32012e232
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/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" "+beta-2022-02-22" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d39db192e4b8acc2fac4635231069d973513b1ce9e64016bebc1f408cb1391a2
[INFO] running `Command { std: "docker" "start" "-a" "d39db192e4b8acc2fac4635231069d973513b1ce9e64016bebc1f408cb1391a2", kill_on_drop: false }`
[INFO] [stderr]    Compiling littletest v0.2.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/reporters.rs:13:24
[INFO] [stdout]    |
[INFO] [stdout] 13 |     reporters: Vec<Box<Reporter>>,
[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] 13 -     reporters: Vec<Box<Reporter>>,
[INFO] [stdout] 13 +     reporters: Vec<Box<dyn Reporter>>,
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:25:45
[INFO] [stdout]    |
[INFO] [stdout] 25 |     pub fn run<'run>(&self, tests: &Vec<Box<Runnable + Sync + 'run>>) {
[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] 25 -     pub fn run<'run>(&self, tests: &Vec<Box<Runnable + Sync + 'run>>) {
[INFO] [stdout] 25 +     pub fn run<'run>(&self, tests: &Vec<Box<dyn Runnable + Sync + 'run>>) {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/reporters.rs:17:35
[INFO] [stdout]    |
[INFO] [stdout] 17 |     pub fn new(reporters: Vec<Box<Reporter>>) -> CompositeReporter {
[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] 17 -     pub fn new(reporters: Vec<Box<Reporter>>) -> CompositeReporter {
[INFO] [stdout] 17 +     pub fn new(reporters: Vec<Box<dyn Reporter>>) -> CompositeReporter {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:26:32
[INFO] [stdout]    |
[INFO] [stdout] 26 |         let reporters: Vec<Box<Reporter>> = vec![Box::new(ProgressReporter::new()),
[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] 26 -         let reporters: Vec<Box<Reporter>> = vec![Box::new(ProgressReporter::new()),
[INFO] [stdout] 26 +         let reporters: Vec<Box<dyn Reporter>> = vec![Box::new(ProgressReporter::new()),
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> tests/lib.rs:27:62
[INFO] [stdout]    |
[INFO] [stdout] 27 |         .map(|result| Box::new(TestCase::new(result)) as Box<Runnable + Sync>)
[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] 27 -         .map(|result| Box::new(TestCase::new(result)) as Box<Runnable + Sync>)
[INFO] [stdout] 27 +         .map(|result| Box::new(TestCase::new(result)) as Box<dyn Runnable + Sync>)
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/reporters.rs:13:24
[INFO] [stdout]    |
[INFO] [stdout] 13 |     reporters: Vec<Box<Reporter>>,
[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] 13 -     reporters: Vec<Box<Reporter>>,
[INFO] [stdout] 13 +     reporters: Vec<Box<dyn Reporter>>,
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:25:45
[INFO] [stdout]    |
[INFO] [stdout] 25 |     pub fn run<'run>(&self, tests: &Vec<Box<Runnable + Sync + 'run>>) {
[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] 25 -     pub fn run<'run>(&self, tests: &Vec<Box<Runnable + Sync + 'run>>) {
[INFO] [stdout] 25 +     pub fn run<'run>(&self, tests: &Vec<Box<dyn Runnable + Sync + 'run>>) {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/reporters.rs:17:35
[INFO] [stdout]    |
[INFO] [stdout] 17 |     pub fn new(reporters: Vec<Box<Reporter>>) -> CompositeReporter {
[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] 17 -     pub fn new(reporters: Vec<Box<Reporter>>) -> CompositeReporter {
[INFO] [stdout] 17 +     pub fn new(reporters: Vec<Box<dyn Reporter>>) -> CompositeReporter {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:26:32
[INFO] [stdout]    |
[INFO] [stdout] 26 |         let reporters: Vec<Box<Reporter>> = vec![Box::new(ProgressReporter::new()),
[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] 26 -         let reporters: Vec<Box<Reporter>> = vec![Box::new(ProgressReporter::new()),
[INFO] [stdout] 26 +         let reporters: Vec<Box<dyn Reporter>> = vec![Box::new(ProgressReporter::new()),
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.66s
[INFO] running `Command { std: "docker" "inspect" "d39db192e4b8acc2fac4635231069d973513b1ce9e64016bebc1f408cb1391a2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d39db192e4b8acc2fac4635231069d973513b1ce9e64016bebc1f408cb1391a2", kill_on_drop: false }`
[INFO] [stdout] d39db192e4b8acc2fac4635231069d973513b1ce9e64016bebc1f408cb1391a2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/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" "+beta-2022-02-22" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 3c6145931223b5ea3fd4a0b8014b34a4170bd0455d634f50bee1aaf070e576d7
[INFO] running `Command { std: "docker" "start" "-a" "3c6145931223b5ea3fd4a0b8014b34a4170bd0455d634f50bee1aaf070e576d7", kill_on_drop: false }`
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/reporters.rs:13:24
[INFO] [stderr]    |
[INFO] [stderr] 13 |     reporters: Vec<Box<Reporter>>,
[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] 13 -     reporters: Vec<Box<Reporter>>,
[INFO] [stderr] 13 +     reporters: Vec<Box<dyn Reporter>>,
[INFO] [stderr]    | 
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:25:45
[INFO] [stderr]    |
[INFO] [stderr] 25 |     pub fn run<'run>(&self, tests: &Vec<Box<Runnable + Sync + 'run>>) {
[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] 25 -     pub fn run<'run>(&self, tests: &Vec<Box<Runnable + Sync + 'run>>) {
[INFO] [stderr] 25 +     pub fn run<'run>(&self, tests: &Vec<Box<dyn Runnable + Sync + 'run>>) {
[INFO] [stderr]    | 
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/reporters.rs:17:35
[INFO] [stderr]    |
[INFO] [stderr] 17 |     pub fn new(reporters: Vec<Box<Reporter>>) -> CompositeReporter {
[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] 17 -     pub fn new(reporters: Vec<Box<Reporter>>) -> CompositeReporter {
[INFO] [stderr] 17 +     pub fn new(reporters: Vec<Box<dyn Reporter>>) -> CompositeReporter {
[INFO] [stderr]    | 
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:26:32
[INFO] [stderr]    |
[INFO] [stderr] 26 |         let reporters: Vec<Box<Reporter>> = vec![Box::new(ProgressReporter::new()),
[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] 26 -         let reporters: Vec<Box<Reporter>> = vec![Box::new(ProgressReporter::new()),
[INFO] [stderr] 26 +         let reporters: Vec<Box<dyn Reporter>> = vec![Box::new(ProgressReporter::new()),
[INFO] [stderr]    | 
[INFO] [stderr] 
[INFO] [stderr] warning: `littletest` (lib) generated 4 warnings
[INFO] [stderr] warning: `littletest` (lib test) generated 4 warnings (4 duplicates)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> tests/lib.rs:27:62
[INFO] [stderr]    |
[INFO] [stderr] 27 |         .map(|result| Box::new(TestCase::new(result)) as Box<Runnable + Sync>)
[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] 27 -         .map(|result| Box::new(TestCase::new(result)) as Box<Runnable + Sync>)
[INFO] [stderr] 27 +         .map(|result| Box::new(TestCase::new(result)) as Box<dyn Runnable + Sync>)
[INFO] [stderr]    | 
[INFO] [stderr] 
[INFO] [stderr] warning: `littletest` (test "lib") generated 1 warning
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/littletest-2ac00ae293242e52)
[INFO] [stdout] 
[INFO] [stderr]      Running tests/lib.rs (/opt/rustwide/target/debug/deps/lib-af1ef65aba5f9cbc)
[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] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] ..........test it_works ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests littletest
[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" "3c6145931223b5ea3fd4a0b8014b34a4170bd0455d634f50bee1aaf070e576d7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3c6145931223b5ea3fd4a0b8014b34a4170bd0455d634f50bee1aaf070e576d7", kill_on_drop: false }`
[INFO] [stdout] 3c6145931223b5ea3fd4a0b8014b34a4170bd0455d634f50bee1aaf070e576d7