[INFO] cloning repository https://github.com/natelust/reups
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/natelust/reups" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnatelust%2Freups", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnatelust%2Freups'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 30c3b1b23a6b00436bf4a76948152779185c0462
[INFO] checking natelust/reups against try#6284d7b4bd27983dba388146648ab844ca7d032f for pr-152971
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnatelust%2Freups" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/natelust/reups
[INFO] finished tweaking git repo https://github.com/natelust/reups
[INFO] tweaked toml for git repo https://github.com/natelust/reups written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/natelust/reups on toolchain 6284d7b4bd27983dba388146648ab844ca7d032f
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+6284d7b4bd27983dba388146648ab844ca7d032f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/natelust/reups already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+6284d7b4bd27983dba388146648ab844ca7d032f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded users v0.8.1
[INFO] [stderr]   Downloaded app_dirs v1.2.1
[INFO] [stderr]   Downloaded ucd-util v0.1.10
[INFO] [stderr]   Downloaded preferences v1.1.0
[INFO] [stderr]   Downloaded ole32-sys v0.2.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:61361fe0aef631f17e9d025a70c5a647956f8c671dd02950a60ad3f5cc5526d7" "/opt/rustwide/cargo-home/bin/cargo" "+6284d7b4bd27983dba388146648ab844ca7d032f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ded118c7120c5d7be566bc3785d4fcf56cc05d61fa464fbec150f53053354bf4
[INFO] running `Command { std: "docker" "start" "-a" "ded118c7120c5d7be566bc3785d4fcf56cc05d61fa464fbec150f53053354bf4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ded118c7120c5d7be566bc3785d4fcf56cc05d61fa464fbec150f53053354bf4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ded118c7120c5d7be566bc3785d4fcf56cc05d61fa464fbec150f53053354bf4", kill_on_drop: false }`
[INFO] [stdout] ded118c7120c5d7be566bc3785d4fcf56cc05d61fa464fbec150f53053354bf4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:61361fe0aef631f17e9d025a70c5a647956f8c671dd02950a60ad3f5cc5526d7" "/opt/rustwide/cargo-home/bin/cargo" "+6284d7b4bd27983dba388146648ab844ca7d032f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9a87ff59beaf2c8421ac6f96fd920d0c14a2e6a00769823645e11a6d4321bf55
[INFO] running `Command { std: "docker" "start" "-a" "9a87ff59beaf2c8421ac6f96fd920d0c14a2e6a00769823645e11a6d4321bf55", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.79
[INFO] [stderr]    Compiling serde v1.0.197
[INFO] [stderr]    Compiling gcc v0.3.55
[INFO] [stderr]     Checking dtoa v0.4.8
[INFO] [stderr]     Checking xdg v2.5.2
[INFO] [stderr]    Compiling num-traits v0.2.18
[INFO] [stderr]     Checking itoa v0.3.4
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking serde v0.9.15
[INFO] [stderr]     Checking ucd-util v0.1.10
[INFO] [stderr]    Compiling regex v0.2.11
[INFO] [stderr]     Checking regex-syntax v0.5.6
[INFO] [stderr]     Checking thread_local v0.3.6
[INFO] [stderr]     Checking rand v0.3.23
[INFO] [stderr]     Checking aho-corasick v0.6.10
[INFO] [stderr]     Checking app_dirs v1.2.1
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]    Compiling rust-crypto v0.2.36
[INFO] [stderr]    Compiling syn v2.0.52
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking time v0.1.45
[INFO] [stderr]     Checking utf8-ranges v1.0.5
[INFO] [stderr]     Checking rustc-serialize v0.3.25
[INFO] [stderr]     Checking clap v2.34.0
[INFO] [stderr]     Checking num-traits v0.1.43
[INFO] [stderr]     Checking dirs v1.0.5
[INFO] [stderr]     Checking fs2 v0.4.3
[INFO] [stderr]     Checking users v0.8.1
[INFO] [stderr]     Checking serde_json v0.9.10
[INFO] [stderr]     Checking preferences v1.1.0
[INFO] [stderr]    Compiling serde_derive v1.0.197
[INFO] [stderr]     Checking log v0.4.21
[INFO] [stderr]     Checking serde_json v1.0.114
[INFO] [stderr]     Checking reups v0.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]    --> src/cogs.rs:142:8
[INFO] [stdout]     |
[INFO] [stdout] 142 |     if (user_path.exists()) {
[INFO] [stdout]     |        ^                  ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 142 -     if (user_path.exists()) {
[INFO] [stdout] 142 +     if user_path.exists() {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: private item shadows public glob re-export
[INFO] [stdout]   --> src/db/mod.rs:22:5
[INFO] [stdout]    |
[INFO] [stdout] 22 | use self::db_impl::DBImplDeclare;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: the name `DBImplDeclare` in the type namespace is supposed to be publicly re-exported here
[INFO] [stdout]   --> src/db/mod.rs:24:9
[INFO] [stdout]    |
[INFO] [stdout] 24 | pub use self::db_impl::*;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^
[INFO] [stdout] note: but the private item here shadows it
[INFO] [stdout]   --> src/db/mod.rs:22:5
[INFO] [stdout]    |
[INFO] [stdout] 22 | use self::db_impl::DBImplDeclare;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    = note: `#[warn(hidden_glob_reexports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]    --> src/cogs.rs:142:8
[INFO] [stdout]     |
[INFO] [stdout] 142 |     if (user_path.exists()) {
[INFO] [stdout]     |        ^                  ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 142 -     if (user_path.exists()) {
[INFO] [stdout] 142 +     if user_path.exists() {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: private item shadows public glob re-export
[INFO] [stdout]   --> src/db/mod.rs:22:5
[INFO] [stdout]    |
[INFO] [stdout] 22 | use self::db_impl::DBImplDeclare;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: the name `DBImplDeclare` in the type namespace is supposed to be publicly re-exported here
[INFO] [stdout]   --> src/db/mod.rs:24:9
[INFO] [stdout]    |
[INFO] [stdout] 24 | pub use self::db_impl::*;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^
[INFO] [stdout] note: but the private item here shadows it
[INFO] [stdout]   --> src/db/mod.rs:22:5
[INFO] [stdout]    |
[INFO] [stdout] 22 | use self::db_impl::DBImplDeclare;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    = note: `#[warn(hidden_glob_reexports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/db/mod.rs:195:52
[INFO] [stdout]     |
[INFO] [stdout] 195 |         let mut db_dict = FnvHashMap::<String, Box<db_impl::DBImpl>>::default();
[INFO] [stdout]     |                                                    ^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` (part of `#[warn(rust_2021_compatibility)]`) on by default
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 195 |         let mut db_dict = FnvHashMap::<String, Box<dyn db_impl::DBImpl>>::default();
[INFO] [stdout]     |                                                    +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/db/mod.rs:304:31
[INFO] [stdout]     |
[INFO] [stdout] 304 |             let extra_db: Box<db_impl::DBImpl> =
[INFO] [stdout]     |                               ^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 304 |             let extra_db: Box<dyn db_impl::DBImpl> =
[INFO] [stdout]     |                               +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/db/mod.rs:195:52
[INFO] [stdout]     |
[INFO] [stdout] 195 |         let mut db_dict = FnvHashMap::<String, Box<db_impl::DBImpl>>::default();
[INFO] [stdout]     |                                                    ^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` (part of `#[warn(rust_2021_compatibility)]`) on by default
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 195 |         let mut db_dict = FnvHashMap::<String, Box<dyn db_impl::DBImpl>>::default();
[INFO] [stdout]     |                                                    +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/db/mod.rs:304:31
[INFO] [stdout]     |
[INFO] [stdout] 304 |             let extra_db: Box<db_impl::DBImpl> =
[INFO] [stdout]     |                               ^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 304 |             let extra_db: Box<dyn db_impl::DBImpl> =
[INFO] [stdout]     |                               +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/list.rs:133:17
[INFO] [stdout]     |
[INFO] [stdout] 133 |             let mut prods = vec![self.sub_args.value_of("product").unwrap().to_string()];
[INFO] [stdout]     |                 ----^^^^^
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `declare_in_memory` is never used
[INFO] [stdout]   --> src/db/db_impl/mod.rs:48:8
[INFO] [stdout]    |
[INFO] [stdout] 46 | pub trait DBImplDeclare: Sized {
[INFO] [stdout]    |           ------------- method in this trait
[INFO] [stdout] 47 |     fn declare(self, inputs: &Vec<DeclareInputs>) -> Result<Self, (Self, String)>;
[INFO] [stdout] 48 |     fn declare_in_memory(self, inputs: &Vec<DeclareInputs>) -> Result<Self, (Self, String)>;
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's named elsewhere is confusing
[INFO] [stdout]   --> src/db/mod.rs:40:30
[INFO] [stdout]    |
[INFO] [stdout] 40 |     fn new(inner: &'a DB) -> DBIter {
[INFO] [stdout]    |                    --        ^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                    |
[INFO] [stdout]    |                    the lifetime is named here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: consistently use `'a`
[INFO] [stdout]    |
[INFO] [stdout] 40 |     fn new(inner: &'a DB) -> DBIter<'a> {
[INFO] [stdout]    |                                    ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]    --> src/db/db_impl/posix_db_impl.rs:302:55
[INFO] [stdout]     |
[INFO] [stdout] 302 |             let base = self.location.parent().unwrap().clone();
[INFO] [stdout]     |                                                       ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: the type `Path` does not implement `Clone`, so calling `clone` on `&Path` copies the reference, which does not do anything and can be removed
[INFO] [stdout]     = note: `#[warn(noop_method_call)]` on by default
[INFO] [stdout] help: remove this redundant call
[INFO] [stdout]     |
[INFO] [stdout] 302 -             let base = self.location.parent().unwrap().clone();
[INFO] [stdout] 302 +             let base = self.location.parent().unwrap();
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `.clone()` on a double reference, which returns `&std::string::String` instead of cloning the inner type
[INFO] [stdout]    --> src/setup.rs:431:73
[INFO] [stdout]     |
[INFO] [stdout] 431 |                 let mut largest_version = versions.iter().max().unwrap().clone().clone();
[INFO] [stdout]     |                                                                         ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(suspicious_double_ref_op)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/list.rs:133:17
[INFO] [stdout]     |
[INFO] [stdout] 133 |             let mut prods = vec![self.sub_args.value_of("product").unwrap().to_string()];
[INFO] [stdout]     |                 ----^^^^^
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `declare_in_memory` is never used
[INFO] [stdout]   --> src/db/db_impl/mod.rs:48:8
[INFO] [stdout]    |
[INFO] [stdout] 46 | pub trait DBImplDeclare: Sized {
[INFO] [stdout]    |           ------------- method in this trait
[INFO] [stdout] 47 |     fn declare(self, inputs: &Vec<DeclareInputs>) -> Result<Self, (Self, String)>;
[INFO] [stdout] 48 |     fn declare_in_memory(self, inputs: &Vec<DeclareInputs>) -> Result<Self, (Self, String)>;
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's named elsewhere is confusing
[INFO] [stdout]   --> src/db/mod.rs:40:30
[INFO] [stdout]    |
[INFO] [stdout] 40 |     fn new(inner: &'a DB) -> DBIter {
[INFO] [stdout]    |                    --        ^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                    |
[INFO] [stdout]    |                    the lifetime is named here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: consistently use `'a`
[INFO] [stdout]    |
[INFO] [stdout] 40 |     fn new(inner: &'a DB) -> DBIter<'a> {
[INFO] [stdout]    |                                    ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]    --> src/db/db_impl/posix_db_impl.rs:302:55
[INFO] [stdout]     |
[INFO] [stdout] 302 |             let base = self.location.parent().unwrap().clone();
[INFO] [stdout]     |                                                       ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: the type `Path` does not implement `Clone`, so calling `clone` on `&Path` copies the reference, which does not do anything and can be removed
[INFO] [stdout]     = note: `#[warn(noop_method_call)]` on by default
[INFO] [stdout] help: remove this redundant call
[INFO] [stdout]     |
[INFO] [stdout] 302 -             let base = self.location.parent().unwrap().clone();
[INFO] [stdout] 302 +             let base = self.location.parent().unwrap();
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `.clone()` on a double reference, which returns `&std::string::String` instead of cloning the inner type
[INFO] [stdout]    --> src/setup.rs:431:73
[INFO] [stdout]     |
[INFO] [stdout] 431 |                 let mut largest_version = versions.iter().max().unwrap().clone().clone();
[INFO] [stdout]     |                                                                         ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(suspicious_double_ref_op)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 27.89s
[INFO] running `Command { std: "docker" "inspect" "9a87ff59beaf2c8421ac6f96fd920d0c14a2e6a00769823645e11a6d4321bf55", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9a87ff59beaf2c8421ac6f96fd920d0c14a2e6a00769823645e11a6d4321bf55", kill_on_drop: false }`
[INFO] [stdout] 9a87ff59beaf2c8421ac6f96fd920d0c14a2e6a00769823645e11a6d4321bf55
