[INFO] fetching crate slate 1.4.0...
[INFO] checking slate-1.4.0 against master#350d0ef0ec0493e6d21cfb265cb8211a0e74d766 for pr-145342-1
[INFO] extracting crate slate 1.4.0 into /workspace/builds/worker-2-tc1/source
[INFO] started tweaking crates.io crate slate 1.4.0
[INFO] finished tweaking crates.io crate slate 1.4.0
[INFO] tweaked toml for crates.io crate slate 1.4.0 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate slate 1.4.0 on toolchain 350d0ef0ec0493e6d21cfb265cb8211a0e74d766
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 29 packages to latest compatible versions
[INFO] [stderr]       Adding docopt v0.8.3 (available: v1.1.1)
[INFO] [stderr]       Adding rand v0.3.23 (available: v0.9.2)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded strsim v0.6.0
[INFO] [stderr]   Downloaded docopt v0.8.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4e8b5a2cbae136256ee5855745f8a72bc0de8364d33076e38b869719ba547dc3
[INFO] running `Command { std: "docker" "start" "-a" "4e8b5a2cbae136256ee5855745f8a72bc0de8364d33076e38b869719ba547dc3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4e8b5a2cbae136256ee5855745f8a72bc0de8364d33076e38b869719ba547dc3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4e8b5a2cbae136256ee5855745f8a72bc0de8364d33076e38b869719ba547dc3", kill_on_drop: false }`
[INFO] [stdout] 4e8b5a2cbae136256ee5855745f8a72bc0de8364d33076e38b869719ba547dc3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0d577a4b8aaf9e04a35c08aceeeaac35db4acbd52d78d3c8c94a2a43c959706e
[INFO] running `Command { std: "docker" "start" "-a" "0d577a4b8aaf9e04a35c08aceeeaac35db4acbd52d78d3c8c94a2a43c959706e", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stderr]    Compiling proc-macro2 v1.0.101
[INFO] [stderr]    Compiling unicode-ident v1.0.18
[INFO] [stderr]    Compiling serde v1.0.219
[INFO] [stderr]     Checking memchr v2.7.5
[INFO] [stderr]     Checking ucd-util v0.1.10
[INFO] [stderr]    Compiling regex v0.2.11
[INFO] [stderr]     Checking lazy_static v1.5.0
[INFO] [stderr]     Checking utf8-ranges v1.0.5
[INFO] [stderr]    Compiling serde_json v1.0.143
[INFO] [stderr]    Compiling libc v0.2.175
[INFO] [stderr]     Checking strsim v0.6.0
[INFO] [stderr]     Checking ryu v1.0.20
[INFO] [stderr]     Checking itoa v1.0.15
[INFO] [stderr]     Checking regex-syntax v0.5.6
[INFO] [stderr]     Checking thread_local v0.3.6
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]     Checking aho-corasick v0.6.10
[INFO] [stderr]    Compiling syn v2.0.106
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking rand v0.3.23
[INFO] [stderr]    Compiling serde_derive v1.0.219
[INFO] [stderr]     Checking docopt v0.8.3
[INFO] [stderr]     Checking slate v1.4.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/command/set.rs:41:5
[INFO] [stdout]    |
[INFO] [stdout] 41 |     try!(slate.set(&key, &value));
[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/command/set.rs:40:17
[INFO] [stdout]    |
[INFO] [stdout] 40 |     let value = try!(value);
[INFO] [stdout]    |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/command/set.rs:48:5
[INFO] [stdout]    |
[INFO] [stdout] 48 |     try!(io::stdin().read_to_string(&mut buffer));
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/command/get.rs:38:17
[INFO] [stdout]    |
[INFO] [stdout] 38 |     let value = try!(slate.get(&args.arg_key));
[INFO] [stdout]    |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/command/list.rs:27:16
[INFO] [stdout]    |
[INFO] [stdout] 27 |     let list = try!(slate.list());
[INFO] [stdout]    |                ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/command/remove.rs:35:9
[INFO] [stdout]    |
[INFO] [stdout] 35 |         try!(slate.clear());
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/command/set.rs:41:5
[INFO] [stdout]    |
[INFO] [stdout] 41 |     try!(slate.set(&key, &value));
[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/command/remove.rs:45:9
[INFO] [stdout]    |
[INFO] [stdout] 45 |         try!(slate.remove(&key));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/command/rename.rs:31:5
[INFO] [stdout]    |
[INFO] [stdout] 31 |     try!(slate.rename(&args.arg_old, &args.arg_new));
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/lib.rs:64:28
[INFO] [stdout]    |
[INFO] [stdout] 64 |         let mut contents = try!(self.read());
[INFO] [stdout]    |                            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/lib.rs:94:24
[INFO] [stdout]    |
[INFO] [stdout] 94 |         let contents = try!(self.read());
[INFO] [stdout]    |                        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:124:28
[INFO] [stdout]     |
[INFO] [stdout] 124 |         let mut contents = try!(self.read());
[INFO] [stdout]     |                            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:152:28
[INFO] [stdout]     |
[INFO] [stdout] 152 |         let mut contents = try!(self.read());
[INFO] [stdout]     |                            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:183:9
[INFO] [stdout]     |
[INFO] [stdout] 183 |         try!(self.set(dts, &value));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:184:9
[INFO] [stdout]     |
[INFO] [stdout] 184 |         try!(self.remove(src));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:182:21
[INFO] [stdout]     |
[INFO] [stdout] 182 |         let value = try!(self.get(src));
[INFO] [stdout]     |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:213:24
[INFO] [stdout]     |
[INFO] [stdout] 213 |         let contents = try!(self.read());
[INFO] [stdout]     |                        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:238:9
[INFO] [stdout]     |
[INFO] [stdout] 238 |         try!(r.read_to_string(&mut buffer));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:250:9
[INFO] [stdout]     |
[INFO] [stdout] 250 |         try!(f.write_all(encoded.as_bytes()));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:247:23
[INFO] [stdout]     |
[INFO] [stdout] 247 |         let encoded = try!(serde_json::to_string(&contents));
[INFO] [stdout]     |                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:248:21
[INFO] [stdout]     |
[INFO] [stdout] 248 |         let mut f = try!(File::create(self.filepath()));
[INFO] [stdout]     |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/command/set.rs:40:17
[INFO] [stdout]    |
[INFO] [stdout] 40 |     let value = try!(value);
[INFO] [stdout]    |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/command/set.rs:48:5
[INFO] [stdout]    |
[INFO] [stdout] 48 |     try!(io::stdin().read_to_string(&mut buffer));
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/command/get.rs:38:17
[INFO] [stdout]    |
[INFO] [stdout] 38 |     let value = try!(slate.get(&args.arg_key));
[INFO] [stdout]    |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/command/list.rs:27:16
[INFO] [stdout]    |
[INFO] [stdout] 27 |     let list = try!(slate.list());
[INFO] [stdout]    |                ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/command/remove.rs:35:9
[INFO] [stdout]    |
[INFO] [stdout] 35 |         try!(slate.clear());
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/command/remove.rs:45:9
[INFO] [stdout]    |
[INFO] [stdout] 45 |         try!(slate.remove(&key));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/command/rename.rs:31:5
[INFO] [stdout]    |
[INFO] [stdout] 31 |     try!(slate.rename(&args.arg_old, &args.arg_new));
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/lib.rs:64:28
[INFO] [stdout]    |
[INFO] [stdout] 64 |         let mut contents = try!(self.read());
[INFO] [stdout]    |                            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/lib.rs:94:24
[INFO] [stdout]    |
[INFO] [stdout] 94 |         let contents = try!(self.read());
[INFO] [stdout]    |                        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:124:28
[INFO] [stdout]     |
[INFO] [stdout] 124 |         let mut contents = try!(self.read());
[INFO] [stdout]     |                            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:152:28
[INFO] [stdout]     |
[INFO] [stdout] 152 |         let mut contents = try!(self.read());
[INFO] [stdout]     |                            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:183:9
[INFO] [stdout]     |
[INFO] [stdout] 183 |         try!(self.set(dts, &value));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:184:9
[INFO] [stdout]     |
[INFO] [stdout] 184 |         try!(self.remove(src));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:182:21
[INFO] [stdout]     |
[INFO] [stdout] 182 |         let value = try!(self.get(src));
[INFO] [stdout]     |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:213:24
[INFO] [stdout]     |
[INFO] [stdout] 213 |         let contents = try!(self.read());
[INFO] [stdout]     |                        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:238:9
[INFO] [stdout]     |
[INFO] [stdout] 238 |         try!(r.read_to_string(&mut buffer));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:250:9
[INFO] [stdout]     |
[INFO] [stdout] 250 |         try!(f.write_all(encoded.as_bytes()));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:247:23
[INFO] [stdout]     |
[INFO] [stdout] 247 |         let encoded = try!(serde_json::to_string(&contents));
[INFO] [stdout]     |                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:248:21
[INFO] [stdout]     |
[INFO] [stdout] 248 |         let mut f = try!(File::create(self.filepath()));
[INFO] [stdout]     |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/errors.rs:29:32
[INFO] [stdout]    |
[INFO] [stdout] 29 |     fn cause(&self) -> Option<&error::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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 29 |     fn cause(&self) -> Option<&dyn error::Error> {
[INFO] [stdout]    |                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/errors.rs:75:32
[INFO] [stdout]    |
[INFO] [stdout] 75 |     fn cause(&self) -> Option<&error::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/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] 75 |     fn cause(&self) -> Option<&dyn error::Error> {
[INFO] [stdout]    |                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/errors.rs:29:32
[INFO] [stdout]    |
[INFO] [stdout] 29 |     fn cause(&self) -> Option<&error::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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 29 |     fn cause(&self) -> Option<&dyn error::Error> {
[INFO] [stdout]    |                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/errors.rs:75:32
[INFO] [stdout]    |
[INFO] [stdout] 75 |     fn cause(&self) -> Option<&error::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/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] 75 |     fn cause(&self) -> Option<&dyn error::Error> {
[INFO] [stdout]    |                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `core::str::<impl str>::trim_right`: superseded by `trim_end`
[INFO] [stdout]   --> src/message.rs:37:70
[INFO] [stdout]    |
[INFO] [stdout] 37 |             &Message::Info(ref msg) => write!(formatter, "{}\n", msg.trim_right()),
[INFO] [stdout]    |                                                                      ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: replace the use of the deprecated method
[INFO] [stdout]    |
[INFO] [stdout] 37 -             &Message::Info(ref msg) => write!(formatter, "{}\n", msg.trim_right()),
[INFO] [stdout] 37 +             &Message::Info(ref msg) => write!(formatter, "{}\n", msg.trim_end()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/errors.rs:24:44
[INFO] [stdout]    |
[INFO] [stdout] 24 |             SlateError::IO(ref err) => err.description(),
[INFO] [stdout]    |                                            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/errors.rs:25:46
[INFO] [stdout]    |
[INFO] [stdout] 25 |             SlateError::JSON(ref err) => err.description(),
[INFO] [stdout]    |                                              ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/errors.rs:69:46
[INFO] [stdout]    |
[INFO] [stdout] 69 |             CommandError::IO(ref err) => err.description(),
[INFO] [stdout]    |                                              ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/errors.rs:70:49
[INFO] [stdout]    |
[INFO] [stdout] 70 |             CommandError::Slate(ref err) => err.description(),
[INFO] [stdout]    |                                                 ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `core::str::<impl str>::trim_right`: superseded by `trim_end`
[INFO] [stdout]   --> src/message.rs:37:70
[INFO] [stdout]    |
[INFO] [stdout] 37 |             &Message::Info(ref msg) => write!(formatter, "{}\n", msg.trim_right()),
[INFO] [stdout]    |                                                                      ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: replace the use of the deprecated method
[INFO] [stdout]    |
[INFO] [stdout] 37 -             &Message::Info(ref msg) => write!(formatter, "{}\n", msg.trim_right()),
[INFO] [stdout] 37 +             &Message::Info(ref msg) => write!(formatter, "{}\n", msg.trim_end()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/errors.rs:24:44
[INFO] [stdout]    |
[INFO] [stdout] 24 |             SlateError::IO(ref err) => err.description(),
[INFO] [stdout]    |                                            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/errors.rs:25:46
[INFO] [stdout]    |
[INFO] [stdout] 25 |             SlateError::JSON(ref err) => err.description(),
[INFO] [stdout]    |                                              ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/errors.rs:69:46
[INFO] [stdout]    |
[INFO] [stdout] 69 |             CommandError::IO(ref err) => err.description(),
[INFO] [stdout]    |                                              ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/errors.rs:70:49
[INFO] [stdout]    |
[INFO] [stdout] 70 |             CommandError::Slate(ref err) => err.description(),
[INFO] [stdout]    |                                                 ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `flag_help` and `flag_version` are never read
[INFO] [stdout]   --> src/cli.rs:58:5
[INFO] [stdout]    |
[INFO] [stdout] 56 | struct Args {
[INFO] [stdout]    |        ---- fields in this struct
[INFO] [stdout] 57 |     arg_command: Command,
[INFO] [stdout] 58 |     flag_help: bool,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 59 |     flag_version: bool,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Args` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `flag_help` and `flag_version` are never read
[INFO] [stdout]   --> src/cli.rs:58:5
[INFO] [stdout]    |
[INFO] [stdout] 56 | struct Args {
[INFO] [stdout]    |        ---- fields in this struct
[INFO] [stdout] 57 |     arg_command: Command,
[INFO] [stdout] 58 |     flag_help: bool,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 59 |     flag_version: bool,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Args` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 10.13s
[INFO] running `Command { std: "docker" "inspect" "0d577a4b8aaf9e04a35c08aceeeaac35db4acbd52d78d3c8c94a2a43c959706e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0d577a4b8aaf9e04a35c08aceeeaac35db4acbd52d78d3c8c94a2a43c959706e", kill_on_drop: false }`
[INFO] [stdout] 0d577a4b8aaf9e04a35c08aceeeaac35db4acbd52d78d3c8c94a2a43c959706e