[INFO] fetching crate cargo-download 0.1.2...
[INFO] checking cargo-download-0.1.2 against try#8d0c454bea9d9cc2cc7e288388f3b7d1da19c04f for pr-114559
[INFO] extracting crate cargo-download 0.1.2 into /workspace/builds/worker-6-tc2/source
[INFO] validating manifest of crates.io crate cargo-download 0.1.2 on toolchain 8d0c454bea9d9cc2cc7e288388f3b7d1da19c04f
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8d0c454bea9d9cc2cc7e288388f3b7d1da19c04f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate cargo-download 0.1.2
[INFO] finished tweaking crates.io crate cargo-download 0.1.2
[INFO] tweaked toml for crates.io crate cargo-download 0.1.2 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8d0c454bea9d9cc2cc7e288388f3b7d1da19c04f" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8d0c454bea9d9cc2cc7e288388f3b7d1da19c04f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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@sha256:5c16f4e6c37141f9fef0bc86f7a492d732943053e42aab8461035881e3f53823" "/opt/rustwide/cargo-home/bin/cargo" "+8d0c454bea9d9cc2cc7e288388f3b7d1da19c04f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0af60a93d980377be1989636d4fa2c0f3e50b39e70335e34d6551b3870912a5d
[INFO] running `Command { std: "docker" "start" "-a" "0af60a93d980377be1989636d4fa2c0f3e50b39e70335e34d6551b3870912a5d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0af60a93d980377be1989636d4fa2c0f3e50b39e70335e34d6551b3870912a5d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0af60a93d980377be1989636d4fa2c0f3e50b39e70335e34d6551b3870912a5d", kill_on_drop: false }`
[INFO] [stdout] 0af60a93d980377be1989636d4fa2c0f3e50b39e70335e34d6551b3870912a5d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5c16f4e6c37141f9fef0bc86f7a492d732943053e42aab8461035881e3f53823" "/opt/rustwide/cargo-home/bin/cargo" "+8d0c454bea9d9cc2cc7e288388f3b7d1da19c04f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b0e544a2be169d89878dc26d7d629314bbfcb81ed9b6e89df11b3c8b5ed5afda
[INFO] running `Command { std: "docker" "start" "-a" "b0e544a2be169d89878dc26d7d629314bbfcb81ed9b6e89df11b3c8b5ed5afda", kill_on_drop: false }`
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[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/args.rs:39:19
[INFO] [stdout]    |
[INFO] [stdout] 39 |     let matches = try!(parser.get_matches_from_safe(argv));
[INFO] [stdout]    |                   ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/logging.rs:87:5
[INFO] [stdout]    |
[INFO] [stdout] 87 |     try!(slog_stdlog::set_logger(logger));
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/logging.rs:139:9
[INFO] [stdout]     |
[INFO] [stdout] 139 |         try!(output.write_all(msg.as_bytes()));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/args.rs:39:19
[INFO] [stdout]    |
[INFO] [stdout] 39 |     let matches = try!(parser.get_matches_from_safe(argv));
[INFO] [stdout]    |                   ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/logging.rs:87:5
[INFO] [stdout]    |
[INFO] [stdout] 87 |     try!(slog_stdlog::set_logger(logger));
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/logging.rs:139:9
[INFO] [stdout]     |
[INFO] [stdout] 139 |         try!(output.write_all(msg.as_bytes()));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]   --> src/main.rs:49:1
[INFO] [stdout]    |
[INFO] [stdout] 49 | / lazy_static! {
[INFO] [stdout] 50 | |     /// Application / package name, as filled out by Cargo.
[INFO] [stdout] 51 | |     static ref NAME: &'static str = option_env!("CARGO_PKG_NAME")
[INFO] [stdout] 52 | |         .unwrap_or("cargo-download");
[INFO] [stdout] ...  |
[INFO] [stdout] 55 | |     static ref VERSION: Option<&'static str> = option_env!("CARGO_PKG_VERSION");
[INFO] [stdout] 56 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `__lazy_static_create` which comes from the expansion of the macro `lazy_static` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]   --> src/main.rs:49:1
[INFO] [stdout]    |
[INFO] [stdout] 49 | / lazy_static! {
[INFO] [stdout] 50 | |     /// Application / package name, as filled out by Cargo.
[INFO] [stdout] 51 | |     static ref NAME: &'static str = option_env!("CARGO_PKG_NAME")
[INFO] [stdout] 52 | |         .unwrap_or("cargo-download");
[INFO] [stdout] ...  |
[INFO] [stdout] 55 | |     static ref VERSION: Option<&'static str> = option_env!("CARGO_PKG_VERSION");
[INFO] [stdout] 56 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `__lazy_static_create` which comes from the expansion of the macro `lazy_static` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]    --> src/args.rs:298:1
[INFO] [stdout]     |
[INFO] [stdout] 298 | / lazy_static! {
[INFO] [stdout] 299 | |     static ref ABOUT: &'static str = option_env!("CARGO_PKG_DESCRIPTION").unwrap_or("");
[INFO] [stdout] 300 | | }
[INFO] [stdout]     | |_^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `__lazy_static_create` which comes from the expansion of the macro `lazy_static` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]    --> src/logging.rs:157:1
[INFO] [stdout]     |
[INFO] [stdout] 157 | / lazy_static! {
[INFO] [stdout] 158 | |     /// Map of log levels to their ANSI terminal styles.
[INFO] [stdout] 159 | |     // (Level doesn't implement Hash so it has to be usize).
[INFO] [stdout] 160 | |     static ref TTY_LEVEL_STYLES: HashMap<usize, Style> = hashmap!{
[INFO] [stdout] ...   |
[INFO] [stdout] 168 | |     static ref TTY_FINE_PREFIX_STYLE: Style = Style::new().dimmed();
[INFO] [stdout] 169 | | }
[INFO] [stdout]     | |_^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `__lazy_static_create` which comes from the expansion of the macro `lazy_static` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]   --> src/main.rs:49:1
[INFO] [stdout]    |
[INFO] [stdout] 49 | / lazy_static! {
[INFO] [stdout] 50 | |     /// Application / package name, as filled out by Cargo.
[INFO] [stdout] 51 | |     static ref NAME: &'static str = option_env!("CARGO_PKG_NAME")
[INFO] [stdout] 52 | |         .unwrap_or("cargo-download");
[INFO] [stdout] ...  |
[INFO] [stdout] 55 | |     static ref VERSION: Option<&'static str> = option_env!("CARGO_PKG_VERSION");
[INFO] [stdout] 56 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `__lazy_static_create` which comes from the expansion of the macro `lazy_static` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]    --> src/logging.rs:157:1
[INFO] [stdout]     |
[INFO] [stdout] 157 | / lazy_static! {
[INFO] [stdout] 158 | |     /// Map of log levels to their ANSI terminal styles.
[INFO] [stdout] 159 | |     // (Level doesn't implement Hash so it has to be usize).
[INFO] [stdout] 160 | |     static ref TTY_LEVEL_STYLES: HashMap<usize, Style> = hashmap!{
[INFO] [stdout] ...   |
[INFO] [stdout] 168 | |     static ref TTY_FINE_PREFIX_STYLE: Style = Style::new().dimmed();
[INFO] [stdout] 169 | | }
[INFO] [stdout]     | |_^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `__lazy_static_create` which comes from the expansion of the macro `lazy_static` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]   --> src/main.rs:49:1
[INFO] [stdout]    |
[INFO] [stdout] 49 | / lazy_static! {
[INFO] [stdout] 50 | |     /// Application / package name, as filled out by Cargo.
[INFO] [stdout] 51 | |     static ref NAME: &'static str = option_env!("CARGO_PKG_NAME")
[INFO] [stdout] 52 | |         .unwrap_or("cargo-download");
[INFO] [stdout] ...  |
[INFO] [stdout] 55 | |     static ref VERSION: Option<&'static str> = option_env!("CARGO_PKG_VERSION");
[INFO] [stdout] 56 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `__lazy_static_create` which comes from the expansion of the macro `lazy_static` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/main.rs:158:62
[INFO] [stdout]     |
[INFO] [stdout] 158 | fn get_newest_version(crate_: &Crate) -> Result<Version, Box<Error>> {
[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]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 158 | fn get_newest_version(crate_: &Crate) -> Result<Version, Box<dyn Error>> {
[INFO] [stdout]     |                                                              +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]    --> src/args.rs:298:1
[INFO] [stdout]     |
[INFO] [stdout] 298 | / lazy_static! {
[INFO] [stdout] 299 | |     static ref ABOUT: &'static str = option_env!("CARGO_PKG_DESCRIPTION").unwrap_or("");
[INFO] [stdout] 300 | | }
[INFO] [stdout]     | |_^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `__lazy_static_create` which comes from the expansion of the macro `lazy_static` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/main.rs:185:73
[INFO] [stdout]     |
[INFO] [stdout] 185 | fn download_crate(name: &str, version: &Version) -> Result<Vec<u8>, Box<Error>> {
[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] 185 | fn download_crate(name: &str, version: &Version) -> Result<Vec<u8>, Box<dyn Error>> {
[INFO] [stdout]     |                                                                         +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]    --> src/logging.rs:157:1
[INFO] [stdout]     |
[INFO] [stdout] 157 | / lazy_static! {
[INFO] [stdout] 158 | |     /// Map of log levels to their ANSI terminal styles.
[INFO] [stdout] 159 | |     // (Level doesn't implement Hash so it has to be usize).
[INFO] [stdout] 160 | |     static ref TTY_LEVEL_STYLES: HashMap<usize, Style> = hashmap!{
[INFO] [stdout] ...   |
[INFO] [stdout] 168 | |     static ref TTY_FINE_PREFIX_STYLE: Style = Style::new().dimmed();
[INFO] [stdout] 169 | | }
[INFO] [stdout]     | |_^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `__lazy_static_create` which comes from the expansion of the macro `lazy_static` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]    --> src/logging.rs:157:1
[INFO] [stdout]     |
[INFO] [stdout] 157 | / lazy_static! {
[INFO] [stdout] 158 | |     /// Map of log levels to their ANSI terminal styles.
[INFO] [stdout] 159 | |     // (Level doesn't implement Hash so it has to be usize).
[INFO] [stdout] 160 | |     static ref TTY_LEVEL_STYLES: HashMap<usize, Style> = hashmap!{
[INFO] [stdout] ...   |
[INFO] [stdout] 168 | |     static ref TTY_FINE_PREFIX_STYLE: Style = Style::new().dimmed();
[INFO] [stdout] 169 | | }
[INFO] [stdout]     | |_^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `__lazy_static_create` which comes from the expansion of the macro `lazy_static` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/args.rs:233:32
[INFO] [stdout]     |
[INFO] [stdout] 233 |     fn cause(&self) -> Option<&Error> {
[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] 233 |     fn cause(&self) -> Option<&dyn Error> {
[INFO] [stdout]     |                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/main.rs:158:62
[INFO] [stdout]     |
[INFO] [stdout] 158 | fn get_newest_version(crate_: &Crate) -> Result<Version, Box<Error>> {
[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]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 158 | fn get_newest_version(crate_: &Crate) -> Result<Version, Box<dyn Error>> {
[INFO] [stdout]     |                                                              +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/args.rs:267:32
[INFO] [stdout]     |
[INFO] [stdout] 267 |     fn cause(&self) -> Option<&Error> {
[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] 267 |     fn cause(&self) -> Option<&dyn Error> {
[INFO] [stdout]     |                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/main.rs:185:73
[INFO] [stdout]     |
[INFO] [stdout] 185 | fn download_crate(name: &str, version: &Version) -> Result<Vec<u8>, Box<Error>> {
[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] 185 | fn download_crate(name: &str, version: &Version) -> Result<Vec<u8>, Box<dyn Error>> {
[INFO] [stdout]     |                                                                         +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/logging.rs:104:35
[INFO] [stdout]     |
[INFO] [stdout] 104 |     fn format(&self, output: &mut io::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] 104 |     fn format(&self, output: &mut dyn io::Write,
[INFO] [stdout]     |                                   +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/args.rs:233:32
[INFO] [stdout]     |
[INFO] [stdout] 233 |     fn cause(&self) -> Option<&Error> {
[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] 233 |     fn cause(&self) -> Option<&dyn Error> {
[INFO] [stdout]     |                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/args.rs:267:32
[INFO] [stdout]     |
[INFO] [stdout] 267 |     fn cause(&self) -> Option<&Error> {
[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] 267 |     fn cause(&self) -> Option<&dyn Error> {
[INFO] [stdout]     |                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/logging.rs:104:35
[INFO] [stdout]     |
[INFO] [stdout] 104 |     fn format(&self, output: &mut io::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] 104 |     fn format(&self, output: &mut dyn io::Write,
[INFO] [stdout]     |                                   +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 13 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 13 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.19s
[INFO] running `Command { std: "docker" "inspect" "b0e544a2be169d89878dc26d7d629314bbfcb81ed9b6e89df11b3c8b5ed5afda", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b0e544a2be169d89878dc26d7d629314bbfcb81ed9b6e89df11b3c8b5ed5afda", kill_on_drop: false }`
[INFO] [stdout] b0e544a2be169d89878dc26d7d629314bbfcb81ed9b6e89df11b3c8b5ed5afda
