[INFO] fetching crate crate-compile-test 0.2.0...
[INFO] testing crate-compile-test-0.2.0 against beta-2022-04-10 for beta-1.61-1
[INFO] extracting crate crate-compile-test 0.2.0 into /workspace/builds/worker-10/source
[INFO] validating manifest of crates.io crate crate-compile-test 0.2.0 on toolchain beta-2022-04-10
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate crate-compile-test 0.2.0
[INFO] finished tweaking crates.io crate crate-compile-test 0.2.0
[INFO] tweaked toml for crates.io crate crate-compile-test 0.2.0 written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "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-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9c8e4b34965072fa247f70063e1c268f8a1594b793d7b72ac5c9a91ba9a4d0fe
[INFO] running `Command { std: "docker" "start" "-a" "9c8e4b34965072fa247f70063e1c268f8a1594b793d7b72ac5c9a91ba9a4d0fe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9c8e4b34965072fa247f70063e1c268f8a1594b793d7b72ac5c9a91ba9a4d0fe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9c8e4b34965072fa247f70063e1c268f8a1594b793d7b72ac5c9a91ba9a4d0fe", kill_on_drop: false }`
[INFO] [stdout] 9c8e4b34965072fa247f70063e1c268f8a1594b793d7b72ac5c9a91ba9a4d0fe
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a54eded0da2b40b5288b1a5bc5d4407f73a91d917a3b7316acdf37052c56f570
[INFO] running `Command { std: "docker" "start" "-a" "a54eded0da2b40b5288b1a5bc5d4407f73a91d917a3b7316acdf37052c56f570", kill_on_drop: false }`
[INFO] [stderr]    Compiling colored v1.9.3
[INFO] [stderr]    Compiling regex v1.5.5
[INFO] [stderr]    Compiling crate-compile-test v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/config.rs:28:28
[INFO] [stdout]    |
[INFO] [stdout] 28 |     pub crates_filter: Box<Fn(&Path) -> bool>,
[INFO] [stdout]    |                            ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]   --> src/lib.rs:1:9
[INFO] [stdout]    |
[INFO] [stdout] 1  | #![deny(warnings)]
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` implied by `#[warn(warnings)]`
[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 crates_filter: Box<Fn(&Path) -> bool>,
[INFO] [stdout] 28 +     pub crates_filter: Box<dyn Fn(&Path) -> bool>,
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/config.rs:29:35
[INFO] [stdout]    |
[INFO] [stdout] 29 |     pub additional_steps: Vec<Box<TestStepFactory>>,
[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] 29 -     pub additional_steps: Vec<Box<TestStepFactory>>,
[INFO] [stdout] 29 +     pub additional_steps: Vec<Box<dyn TestStepFactory>>,
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/plan.rs:11:20
[INFO] [stdout]    |
[INFO] [stdout] 11 |     steps: Vec<Box<TestStepFactory>>,
[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] 11 -     steps: Vec<Box<TestStepFactory>>,
[INFO] [stdout] 11 +     steps: Vec<Box<dyn TestStepFactory>>,
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/runner.rs:13:27
[INFO] [stdout]    |
[INFO] [stdout] 13 |     output: Mutex<&'a mut Write>,
[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] 13 -     output: Mutex<&'a mut Write>,
[INFO] [stdout] 13 +     output: Mutex<&'a mut dyn Write>,
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/runner.rs:22:17
[INFO] [stdout]    |
[INFO] [stdout] 22 |     config: Box<Fn() -> Config>,
[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] 22 -     config: Box<Fn() -> Config>,
[INFO] [stdout] 22 +     config: Box<dyn Fn() -> Config>,
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/steps/mod.rs:7:76
[INFO] [stdout]   |
[INFO] [stdout] 7 |     fn initialize(&self, config: &Config, crate_path: &Path) -> Result<Box<TestStep>>;
[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] 7 -     fn initialize(&self, config: &Config, crate_path: &Path) -> Result<Box<TestStep>>;
[INFO] [stdout] 7 +     fn initialize(&self, config: &Config, crate_path: &Path) -> Result<Box<dyn TestStep>>;
[INFO] [stdout]   | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/runner.rs:26:32
[INFO] [stdout]    |
[INFO] [stdout] 26 |     pub fn new(output: &'a mut Write) -> Self {
[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 -     pub fn new(output: &'a mut Write) -> Self {
[INFO] [stdout] 26 +     pub fn new(output: &'a mut dyn Write) -> Self {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/steps/build.rs:27:77
[INFO] [stdout]    |
[INFO] [stdout] 27 |     fn initialize(&self, _config: &Config, crate_path: &Path) -> Result<Box<TestStep>> {
[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] 27 -     fn initialize(&self, _config: &Config, crate_path: &Path) -> Result<Box<TestStep>> {
[INFO] [stdout] 27 +     fn initialize(&self, _config: &Config, crate_path: &Path) -> Result<Box<dyn TestStep>> {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/steps/check_errors.rs:213:77
[INFO] [stdout]     |
[INFO] [stdout] 213 |     fn initialize(&self, _config: &Config, crate_path: &Path) -> Result<Box<TestStep>> {
[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] 213 -     fn initialize(&self, _config: &Config, crate_path: &Path) -> Result<Box<TestStep>> {
[INFO] [stdout] 213 +     fn initialize(&self, _config: &Config, crate_path: &Path) -> Result<Box<dyn TestStep>> {
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `failure::core::str::<impl str>::trim_right`: superseded by `trim_end`
[INFO] [stdout]   --> src/formatting.rs:30:50
[INFO] [stdout]    |
[INFO] [stdout] 30 |         trim_lines(prefix_each_line(body, "  ")).trim_right(),
[INFO] [stdout]    |                                                  ^^^^^^^^^^ help: replace the use of the deprecated associated function: `trim_end`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` implied by `#[warn(warnings)]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `failure::core::str::<impl str>::trim_right`: superseded by `trim_end`
[INFO] [stdout]   --> src/formatting.rs:51:26
[INFO] [stdout]    |
[INFO] [stdout] 51 |         .map(|line| line.trim_right())
[INFO] [stdout]    |                          ^^^^^^^^^^ help: replace the use of the deprecated associated function: `trim_end`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/plan.rs:26:32
[INFO] [stdout]    |
[INFO] [stdout] 26 |         let mut steps: Vec<Box<TestStepFactory>> = match config.mode {
[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 mut steps: Vec<Box<TestStepFactory>> = match config.mode {
[INFO] [stdout] 26 +         let mut steps: Vec<Box<dyn TestStepFactory>> = match config.mode {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 12 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.86s
[INFO] running `Command { std: "docker" "inspect" "a54eded0da2b40b5288b1a5bc5d4407f73a91d917a3b7316acdf37052c56f570", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a54eded0da2b40b5288b1a5bc5d4407f73a91d917a3b7316acdf37052c56f570", kill_on_drop: false }`
[INFO] [stdout] a54eded0da2b40b5288b1a5bc5d4407f73a91d917a3b7316acdf37052c56f570
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9f8e847585eeb01fe8e8c2cd38af6bcb0fe0ba263cd652d7a04eb59f0ced8855
[INFO] running `Command { std: "docker" "start" "-a" "9f8e847585eeb01fe8e8c2cd38af6bcb0fe0ba263cd652d7a04eb59f0ced8855", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling difference v2.0.0
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/config.rs:28:28
[INFO] [stdout]    |
[INFO] [stdout] 28 |     pub crates_filter: Box<Fn(&Path) -> bool>,
[INFO] [stdout]    |                            ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]   --> src/lib.rs:1:9
[INFO] [stdout]    |
[INFO] [stdout] 1  | #![deny(warnings)]
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` implied by `#[warn(warnings)]`
[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 crates_filter: Box<Fn(&Path) -> bool>,
[INFO] [stdout] 28 +     pub crates_filter: Box<dyn Fn(&Path) -> bool>,
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/config.rs:29:35
[INFO] [stdout]    |
[INFO] [stdout] 29 |     pub additional_steps: Vec<Box<TestStepFactory>>,
[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] 29 -     pub additional_steps: Vec<Box<TestStepFactory>>,
[INFO] [stdout] 29 +     pub additional_steps: Vec<Box<dyn TestStepFactory>>,
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/plan.rs:11:20
[INFO] [stdout]    |
[INFO] [stdout] 11 |     steps: Vec<Box<TestStepFactory>>,
[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] 11 -     steps: Vec<Box<TestStepFactory>>,
[INFO] [stdout] 11 +     steps: Vec<Box<dyn TestStepFactory>>,
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/runner.rs:13:27
[INFO] [stdout]    |
[INFO] [stdout] 13 |     output: Mutex<&'a mut Write>,
[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] 13 -     output: Mutex<&'a mut Write>,
[INFO] [stdout] 13 +     output: Mutex<&'a mut dyn Write>,
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/runner.rs:22:17
[INFO] [stdout]    |
[INFO] [stdout] 22 |     config: Box<Fn() -> Config>,
[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] 22 -     config: Box<Fn() -> Config>,
[INFO] [stdout] 22 +     config: Box<dyn Fn() -> Config>,
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/steps/mod.rs:7:76
[INFO] [stdout]   |
[INFO] [stdout] 7 |     fn initialize(&self, config: &Config, crate_path: &Path) -> Result<Box<TestStep>>;
[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] 7 -     fn initialize(&self, config: &Config, crate_path: &Path) -> Result<Box<TestStep>>;
[INFO] [stdout] 7 +     fn initialize(&self, config: &Config, crate_path: &Path) -> Result<Box<dyn TestStep>>;
[INFO] [stdout]   | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/runner.rs:26:32
[INFO] [stdout]    |
[INFO] [stdout] 26 |     pub fn new(output: &'a mut Write) -> Self {
[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 -     pub fn new(output: &'a mut Write) -> Self {
[INFO] [stdout] 26 +     pub fn new(output: &'a mut dyn Write) -> Self {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/steps/build.rs:27:77
[INFO] [stdout]    |
[INFO] [stdout] 27 |     fn initialize(&self, _config: &Config, crate_path: &Path) -> Result<Box<TestStep>> {
[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] 27 -     fn initialize(&self, _config: &Config, crate_path: &Path) -> Result<Box<TestStep>> {
[INFO] [stdout] 27 +     fn initialize(&self, _config: &Config, crate_path: &Path) -> Result<Box<dyn TestStep>> {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/steps/check_errors.rs:213:77
[INFO] [stdout]     |
[INFO] [stdout] 213 |     fn initialize(&self, _config: &Config, crate_path: &Path) -> Result<Box<TestStep>> {
[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] 213 -     fn initialize(&self, _config: &Config, crate_path: &Path) -> Result<Box<TestStep>> {
[INFO] [stdout] 213 +     fn initialize(&self, _config: &Config, crate_path: &Path) -> Result<Box<dyn TestStep>> {
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `failure::core::str::<impl str>::trim_right`: superseded by `trim_end`
[INFO] [stdout]   --> src/formatting.rs:30:50
[INFO] [stdout]    |
[INFO] [stdout] 30 |         trim_lines(prefix_each_line(body, "  ")).trim_right(),
[INFO] [stdout]    |                                                  ^^^^^^^^^^ help: replace the use of the deprecated associated function: `trim_end`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` implied by `#[warn(warnings)]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `failure::core::str::<impl str>::trim_right`: superseded by `trim_end`
[INFO] [stdout]   --> src/formatting.rs:51:26
[INFO] [stdout]    |
[INFO] [stdout] 51 |         .map(|line| line.trim_right())
[INFO] [stdout]    |                          ^^^^^^^^^^ help: replace the use of the deprecated associated function: `trim_end`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/plan.rs:26:32
[INFO] [stdout]    |
[INFO] [stdout] 26 |         let mut steps: Vec<Box<TestStepFactory>> = match config.mode {
[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 mut steps: Vec<Box<TestStepFactory>> = match config.mode {
[INFO] [stdout] 26 +         let mut steps: Vec<Box<dyn TestStepFactory>> = match config.mode {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 12 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling pretty_assertions v0.5.1
[INFO] [stderr]    Compiling crate-compile-test v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/config.rs:28:28
[INFO] [stdout]    |
[INFO] [stdout] 28 |     pub crates_filter: Box<Fn(&Path) -> bool>,
[INFO] [stdout]    |                            ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]   --> src/lib.rs:1:9
[INFO] [stdout]    |
[INFO] [stdout] 1  | #![deny(warnings)]
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` implied by `#[warn(warnings)]`
[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 crates_filter: Box<Fn(&Path) -> bool>,
[INFO] [stdout] 28 +     pub crates_filter: Box<dyn Fn(&Path) -> bool>,
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/config.rs:29:35
[INFO] [stdout]    |
[INFO] [stdout] 29 |     pub additional_steps: Vec<Box<TestStepFactory>>,
[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] 29 -     pub additional_steps: Vec<Box<TestStepFactory>>,
[INFO] [stdout] 29 +     pub additional_steps: Vec<Box<dyn TestStepFactory>>,
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/plan.rs:11:20
[INFO] [stdout]    |
[INFO] [stdout] 11 |     steps: Vec<Box<TestStepFactory>>,
[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] 11 -     steps: Vec<Box<TestStepFactory>>,
[INFO] [stdout] 11 +     steps: Vec<Box<dyn TestStepFactory>>,
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/runner.rs:13:27
[INFO] [stdout]    |
[INFO] [stdout] 13 |     output: Mutex<&'a mut Write>,
[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] 13 -     output: Mutex<&'a mut Write>,
[INFO] [stdout] 13 +     output: Mutex<&'a mut dyn Write>,
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/runner.rs:22:17
[INFO] [stdout]    |
[INFO] [stdout] 22 |     config: Box<Fn() -> Config>,
[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] 22 -     config: Box<Fn() -> Config>,
[INFO] [stdout] 22 +     config: Box<dyn Fn() -> Config>,
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/steps/mod.rs:7:76
[INFO] [stdout]   |
[INFO] [stdout] 7 |     fn initialize(&self, config: &Config, crate_path: &Path) -> Result<Box<TestStep>>;
[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] 7 -     fn initialize(&self, config: &Config, crate_path: &Path) -> Result<Box<TestStep>>;
[INFO] [stdout] 7 +     fn initialize(&self, config: &Config, crate_path: &Path) -> Result<Box<dyn TestStep>>;
[INFO] [stdout]   | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/runner.rs:26:32
[INFO] [stdout]    |
[INFO] [stdout] 26 |     pub fn new(output: &'a mut Write) -> Self {
[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 -     pub fn new(output: &'a mut Write) -> Self {
[INFO] [stdout] 26 +     pub fn new(output: &'a mut dyn Write) -> Self {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/steps/build.rs:27:77
[INFO] [stdout]    |
[INFO] [stdout] 27 |     fn initialize(&self, _config: &Config, crate_path: &Path) -> Result<Box<TestStep>> {
[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] 27 -     fn initialize(&self, _config: &Config, crate_path: &Path) -> Result<Box<TestStep>> {
[INFO] [stdout] 27 +     fn initialize(&self, _config: &Config, crate_path: &Path) -> Result<Box<dyn TestStep>> {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/steps/check_errors.rs:213:77
[INFO] [stdout]     |
[INFO] [stdout] 213 |     fn initialize(&self, _config: &Config, crate_path: &Path) -> Result<Box<TestStep>> {
[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] 213 -     fn initialize(&self, _config: &Config, crate_path: &Path) -> Result<Box<TestStep>> {
[INFO] [stdout] 213 +     fn initialize(&self, _config: &Config, crate_path: &Path) -> Result<Box<dyn TestStep>> {
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `failure::core::str::<impl str>::trim_right`: superseded by `trim_end`
[INFO] [stdout]   --> src/formatting.rs:30:50
[INFO] [stdout]    |
[INFO] [stdout] 30 |         trim_lines(prefix_each_line(body, "  ")).trim_right(),
[INFO] [stdout]    |                                                  ^^^^^^^^^^ help: replace the use of the deprecated associated function: `trim_end`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` implied by `#[warn(warnings)]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `failure::core::str::<impl str>::trim_right`: superseded by `trim_end`
[INFO] [stdout]   --> src/formatting.rs:51:26
[INFO] [stdout]    |
[INFO] [stdout] 51 |         .map(|line| line.trim_right())
[INFO] [stdout]    |                          ^^^^^^^^^^ help: replace the use of the deprecated associated function: `trim_end`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/plan.rs:26:32
[INFO] [stdout]    |
[INFO] [stdout] 26 |         let mut steps: Vec<Box<TestStepFactory>> = match config.mode {
[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 mut steps: Vec<Box<TestStepFactory>> = match config.mode {
[INFO] [stdout] 26 +         let mut steps: Vec<Box<dyn TestStepFactory>> = match config.mode {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 12 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.57s
[INFO] [stderr]   Executable unittests src/lib.rs (/opt/rustwide/target/debug/deps/crate_compile_test-4d98ed5a251aaa77)
[INFO] running `Command { std: "docker" "inspect" "9f8e847585eeb01fe8e8c2cd38af6bcb0fe0ba263cd652d7a04eb59f0ced8855", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9f8e847585eeb01fe8e8c2cd38af6bcb0fe0ba263cd652d7a04eb59f0ced8855", kill_on_drop: false }`
[INFO] [stdout] 9f8e847585eeb01fe8e8c2cd38af6bcb0fe0ba263cd652d7a04eb59f0ced8855
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 0d51098c561ea703f5e6d58cc69819b69e1610235efddafdb064aa69c62d2877
[INFO] running `Command { std: "docker" "start" "-a" "0d51098c561ea703f5e6d58cc69819b69e1610235efddafdb064aa69c62d2877", kill_on_drop: false }`
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/config.rs:28:28
[INFO] [stderr]    |
[INFO] [stderr] 28 |     pub crates_filter: Box<Fn(&Path) -> bool>,
[INFO] [stderr]    |                            ^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr] note: the lint level is defined here
[INFO] [stderr]   --> src/lib.rs:1:9
[INFO] [stderr]    |
[INFO] [stderr] 1  | #![deny(warnings)]
[INFO] [stderr]    |         ^^^^^^^^
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` implied by `#[warn(warnings)]`
[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 crates_filter: Box<Fn(&Path) -> bool>,
[INFO] [stderr] 28 +     pub crates_filter: Box<dyn Fn(&Path) -> bool>,
[INFO] [stderr]    | 
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/config.rs:29:35
[INFO] [stderr]    |
[INFO] [stderr] 29 |     pub additional_steps: Vec<Box<TestStepFactory>>,
[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] 29 -     pub additional_steps: Vec<Box<TestStepFactory>>,
[INFO] [stderr] 29 +     pub additional_steps: Vec<Box<dyn TestStepFactory>>,
[INFO] [stderr]    | 
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/plan.rs:11:20
[INFO] [stderr]    |
[INFO] [stderr] 11 |     steps: Vec<Box<TestStepFactory>>,
[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] 11 -     steps: Vec<Box<TestStepFactory>>,
[INFO] [stderr] 11 +     steps: Vec<Box<dyn TestStepFactory>>,
[INFO] [stderr]    | 
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/runner.rs:13:27
[INFO] [stderr]    |
[INFO] [stderr] 13 |     output: Mutex<&'a mut Write>,
[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] 13 -     output: Mutex<&'a mut Write>,
[INFO] [stderr] 13 +     output: Mutex<&'a mut dyn Write>,
[INFO] [stderr]    | 
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/runner.rs:22:17
[INFO] [stderr]    |
[INFO] [stderr] 22 |     config: Box<Fn() -> Config>,
[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] 22 -     config: Box<Fn() -> Config>,
[INFO] [stderr] 22 +     config: Box<dyn Fn() -> Config>,
[INFO] [stderr]    | 
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/steps/mod.rs:7:76
[INFO] [stderr]   |
[INFO] [stderr] 7 |     fn initialize(&self, config: &Config, crate_path: &Path) -> Result<Box<TestStep>>;
[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] 7 -     fn initialize(&self, config: &Config, crate_path: &Path) -> Result<Box<TestStep>>;
[INFO] [stderr] 7 +     fn initialize(&self, config: &Config, crate_path: &Path) -> Result<Box<dyn TestStep>>;
[INFO] [stderr]   | 
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/runner.rs:26:32
[INFO] [stderr]    |
[INFO] [stderr] 26 |     pub fn new(output: &'a mut Write) -> Self {
[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 -     pub fn new(output: &'a mut Write) -> Self {
[INFO] [stderr] 26 +     pub fn new(output: &'a mut dyn Write) -> Self {
[INFO] [stderr]    | 
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/steps/build.rs:27:77
[INFO] [stderr]    |
[INFO] [stderr] 27 |     fn initialize(&self, _config: &Config, crate_path: &Path) -> Result<Box<TestStep>> {
[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] 27 -     fn initialize(&self, _config: &Config, crate_path: &Path) -> Result<Box<TestStep>> {
[INFO] [stderr] 27 +     fn initialize(&self, _config: &Config, crate_path: &Path) -> Result<Box<dyn TestStep>> {
[INFO] [stderr]    | 
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/steps/check_errors.rs:213:77
[INFO] [stderr]     |
[INFO] [stderr] 213 |     fn initialize(&self, _config: &Config, crate_path: &Path) -> Result<Box<TestStep>> {
[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] 213 -     fn initialize(&self, _config: &Config, crate_path: &Path) -> Result<Box<TestStep>> {
[INFO] [stderr] 213 +     fn initialize(&self, _config: &Config, crate_path: &Path) -> Result<Box<dyn TestStep>> {
[INFO] [stderr]     | 
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `failure::core::str::<impl str>::trim_right`: superseded by `trim_end`
[INFO] [stderr]   --> src/formatting.rs:30:50
[INFO] [stderr]    |
[INFO] [stderr] 30 |         trim_lines(prefix_each_line(body, "  ")).trim_right(),
[INFO] [stderr]    |                                                  ^^^^^^^^^^ help: replace the use of the deprecated associated function: `trim_end`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` implied by `#[warn(warnings)]`
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `failure::core::str::<impl str>::trim_right`: superseded by `trim_end`
[INFO] [stderr]   --> src/formatting.rs:51:26
[INFO] [stderr]    |
[INFO] [stderr] 51 |         .map(|line| line.trim_right())
[INFO] [stderr]    |                          ^^^^^^^^^^ help: replace the use of the deprecated associated function: `trim_end`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/plan.rs:26:32
[INFO] [stderr]    |
[INFO] [stderr] 26 |         let mut steps: Vec<Box<TestStepFactory>> = match config.mode {
[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 mut steps: Vec<Box<TestStepFactory>> = match config.mode {
[INFO] [stderr] 26 +         let mut steps: Vec<Box<dyn TestStepFactory>> = match config.mode {
[INFO] [stderr]    | 
[INFO] [stderr] 
[INFO] [stderr] warning: `crate-compile-test` (lib) generated 12 warnings
[INFO] [stderr] warning: `crate-compile-test` (lib test) generated 12 warnings (12 duplicates)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/crate_compile_test-4d98ed5a251aaa77)
[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 crate-compile-test
[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" "0d51098c561ea703f5e6d58cc69819b69e1610235efddafdb064aa69c62d2877", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0d51098c561ea703f5e6d58cc69819b69e1610235efddafdb064aa69c62d2877", kill_on_drop: false }`
[INFO] [stdout] 0d51098c561ea703f5e6d58cc69819b69e1610235efddafdb064aa69c62d2877