[INFO] fetching crate juju 1.0.0...
[INFO] checking juju-1.0.0 against try#4d98531622e1718ae0bc3c7a1ab9cd8938428452+rustflags=-Dtail_expr_drop_order for pr-129604
[INFO] extracting crate juju 1.0.0 into /workspace/builds/worker-3-tc2/source
[INFO] validating manifest of crates.io crate juju 1.0.0 on toolchain 4d98531622e1718ae0bc3c7a1ab9cd8938428452
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4d98531622e1718ae0bc3c7a1ab9cd8938428452" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate juju 1.0.0
[INFO] finished tweaking crates.io crate juju 1.0.0
[INFO] tweaked toml for crates.io crate juju 1.0.0 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4d98531622e1718ae0bc3c7a1ab9cd8938428452" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 63 packages to latest compatible versions
[INFO] [stderr]       Adding bitflags v1.3.2 (latest: v2.6.0)
[INFO] [stderr]       Adding dtoa v0.4.8 (latest: v1.0.9)
[INFO] [stderr]       Adding itoa v0.3.4 (latest: v1.0.11)
[INFO] [stderr]       Adding juju v0.3.1 (latest: v1.0.0)
[INFO] [stderr]       Adding libsqlite3-sys v0.9.4 (latest: v0.30.1)
[INFO] [stderr]       Adding log v0.3.9 (latest: v0.4.22)
[INFO] [stderr]       Adding memchr v1.0.2 (latest: v2.7.4)
[INFO] [stderr]       Adding num-traits v0.1.43 (latest: v0.2.19)
[INFO] [stderr]       Adding quote v0.3.15 (latest: v1.0.37)
[INFO] [stderr]       Adding rusqlite v0.14.0 (latest: v0.32.1)
[INFO] [stderr]       Adding serde v0.9.15 (latest: v1.0.209)
[INFO] [stderr]       Adding serde_derive v0.9.15 (latest: v1.0.209)
[INFO] [stderr]       Adding serde_json v0.9.10 (latest: v1.0.127)
[INFO] [stderr]       Adding syn v0.11.11 (latest: v2.0.77)
[INFO] [stderr]       Adding time v0.1.45 (latest: v0.3.36)
[INFO] [stderr]       Adding unicode-xid v0.0.4 (latest: v0.2.5)
[INFO] [stderr]       Adding wasi v0.10.0+wasi-snapshot-preview1 (latest: v0.13.2+wasi-0.2.1)
[INFO] [stderr]       Adding windows-core v0.52.0 (latest: v0.58.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4d98531622e1718ae0bc3c7a1ab9cd8938428452" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021
[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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+4d98531622e1718ae0bc3c7a1ab9cd8938428452" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 32fe7f588a25c0e2a54f2aad182baab5123ad10fe2a1a48af23c20aec303db0c
[INFO] running `Command { std: "docker" "start" "-a" "32fe7f588a25c0e2a54f2aad182baab5123ad10fe2a1a48af23c20aec303db0c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "32fe7f588a25c0e2a54f2aad182baab5123ad10fe2a1a48af23c20aec303db0c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "32fe7f588a25c0e2a54f2aad182baab5123ad10fe2a1a48af23c20aec303db0c", kill_on_drop: false }`
[INFO] [stdout] 32fe7f588a25c0e2a54f2aad182baab5123ad10fe2a1a48af23c20aec303db0c
[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 -Dtail_expr_drop_order" "-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+4d98531622e1718ae0bc3c7a1ab9cd8938428452" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 84ffe4b3f81d045711da5d57e28d1a3fbd4d60570b5948b24181126e56352032
[INFO] running `Command { std: "docker" "start" "-a" "84ffe4b3f81d045711da5d57e28d1a3fbd4d60570b5948b24181126e56352032", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling libc v0.2.158
[INFO] [stderr]    Compiling unicode-xid v0.0.4
[INFO] [stderr]    Compiling quote v0.3.15
[INFO] [stderr]     Checking linked-hash-map v0.5.6
[INFO] [stderr]    Compiling libsqlite3-sys v0.9.4
[INFO] [stderr]     Checking log v0.3.9
[INFO] [stderr]     Checking dtoa v0.4.8
[INFO] [stderr]    Compiling synom v0.11.3
[INFO] [stderr]     Checking serde v0.9.15
[INFO] [stderr]    Compiling syn v0.11.11
[INFO] [stderr]     Checking lru-cache v0.1.2
[INFO] [stderr]     Checking juju v0.3.1
[INFO] [stderr]     Checking itoa v0.3.4
[INFO] [stderr]     Checking charmhelpers v0.1.3
[INFO] [stderr]     Checking num-traits v0.1.43
[INFO] [stderr]     Checking chrono v0.4.38
[INFO] [stderr]    Compiling serde_codegen_internals v0.14.2
[INFO] [stderr]     Checking time v0.1.45
[INFO] [stderr]     Checking memchr v1.0.2
[INFO] [stderr]    Compiling serde_derive v0.9.15
[INFO] [stderr]     Checking serde_json v0.9.10
[INFO] [stderr]     Checking rusqlite v0.14.0
[INFO] [stderr]     Checking juju v1.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:123:32
[INFO] [stdout]     |
[INFO] [stdout] 123 |     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]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] help: if this is an object-safe trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 123 |     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/lib.rs:123:32
[INFO] [stdout]     |
[INFO] [stdout] 123 |     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]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] help: if this is an object-safe trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 123 |     fn cause(&self) -> Option<&dyn Error> {
[INFO] [stdout]     |                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `core::str::<impl str>::trim_left_matches`: superseded by `trim_start_matches`
[INFO] [stdout]    --> src/unitdata.rs:113:34
[INFO] [stdout]     |
[INFO] [stdout] 113 |                 results.insert(k.trim_left_matches(&key_prefix).to_string(), value);
[INFO] [stdout]     |                                  ^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] help: replace the use of the deprecated method
[INFO] [stdout]     |
[INFO] [stdout] 113 |                 results.insert(k.trim_start_matches(&key_prefix).to_string(), value);
[INFO] [stdout]     |                                  ~~~~~~~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/unitdata.rs:165:38
[INFO] [stdout]     |
[INFO] [stdout] 165 |                 let mut values: Vec<&rusqlite::types::ToSql> = Vec::new();
[INFO] [stdout]     |                                      ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is an object-safe trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 165 |                 let mut values: Vec<&dyn rusqlite::types::ToSql> = Vec::new();
[INFO] [stdout]     |                                      +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/unitdata.rs:180:42
[INFO] [stdout]     |
[INFO] [stdout] 180 |                     let mut values: Vec<&rusqlite::types::ToSql> = Vec::new();
[INFO] [stdout]     |                                          ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is an object-safe trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 180 |                     let mut values: Vec<&dyn rusqlite::types::ToSql> = Vec::new();
[INFO] [stdout]     |                                          +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `core::str::<impl str>::trim_left_matches`: superseded by `trim_start_matches`
[INFO] [stdout]    --> src/unitdata.rs:113:34
[INFO] [stdout]     |
[INFO] [stdout] 113 |                 results.insert(k.trim_left_matches(&key_prefix).to_string(), value);
[INFO] [stdout]     |                                  ^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] help: replace the use of the deprecated method
[INFO] [stdout]     |
[INFO] [stdout] 113 |                 results.insert(k.trim_start_matches(&key_prefix).to_string(), value);
[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/lib.rs:95:55
[INFO] [stdout]    |
[INFO] [stdout] 95 |             JujuError::AddrParseError(ref err) => err.description().to_string(),
[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/lib.rs:96:54
[INFO] [stdout]    |
[INFO] [stdout] 96 |             JujuError::FromUtf8Error(ref err) => err.description().to_string(),
[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/lib.rs:97:48
[INFO] [stdout]    |
[INFO] [stdout] 97 |             JujuError::IoError(ref err) => err.description().to_string(),
[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/lib.rs:98:54
[INFO] [stdout]    |
[INFO] [stdout] 98 |             JujuError::ParseIntError(ref err) => err.description().to_string(),
[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/lib.rs:99:54
[INFO] [stdout]    |
[INFO] [stdout] 99 |             JujuError::RusqliteError(ref err) => err.description().to_string(),
[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/lib.rs:100:51
[INFO] [stdout]     |
[INFO] [stdout] 100 |             JujuError::SerdeError(ref err) => err.description().to_string(),
[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/lib.rs:101:49
[INFO] [stdout]     |
[INFO] [stdout] 101 |             JujuError::VarError(ref err) => err.description().to_string(),
[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/lib.rs:107:26
[INFO] [stdout]     |
[INFO] [stdout] 107 |         f.write_str(self.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/lib.rs:114:55
[INFO] [stdout]     |
[INFO] [stdout] 114 |             JujuError::AddrParseError(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/lib.rs:115:54
[INFO] [stdout]     |
[INFO] [stdout] 115 |             JujuError::FromUtf8Error(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/lib.rs:116:48
[INFO] [stdout]     |
[INFO] [stdout] 116 |             JujuError::IoError(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/lib.rs:117:54
[INFO] [stdout]     |
[INFO] [stdout] 117 |             JujuError::ParseIntError(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/lib.rs:118:54
[INFO] [stdout]     |
[INFO] [stdout] 118 |             JujuError::RusqliteError(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/lib.rs:119:51
[INFO] [stdout]     |
[INFO] [stdout] 119 |             JujuError::SerdeError(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/lib.rs:120:49
[INFO] [stdout]     |
[INFO] [stdout] 120 |             JujuError::VarError(ref err) => err.description(),
[INFO] [stdout]     |                                                 ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::error::Error::cause`: replaced by Error::source, which can support downcasting
[INFO] [stdout]    --> src/lib.rs:125:55
[INFO] [stdout]     |
[INFO] [stdout] 125 |             JujuError::AddrParseError(ref err) => err.cause(),
[INFO] [stdout]     |                                                       ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::error::Error::cause`: replaced by Error::source, which can support downcasting
[INFO] [stdout]    --> src/lib.rs:126:54
[INFO] [stdout]     |
[INFO] [stdout] 126 |             JujuError::FromUtf8Error(ref err) => err.cause(),
[INFO] [stdout]     |                                                      ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::error::Error::cause`: replaced by Error::source, which can support downcasting
[INFO] [stdout]    --> src/lib.rs:127:48
[INFO] [stdout]     |
[INFO] [stdout] 127 |             JujuError::IoError(ref err) => err.cause(),
[INFO] [stdout]     |                                                ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::error::Error::cause`: replaced by Error::source, which can support downcasting
[INFO] [stdout]    --> src/lib.rs:128:54
[INFO] [stdout]     |
[INFO] [stdout] 128 |             JujuError::ParseIntError(ref err) => err.cause(),
[INFO] [stdout]     |                                                      ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::error::Error::cause`: replaced by Error::source, which can support downcasting
[INFO] [stdout]    --> src/lib.rs:129:51
[INFO] [stdout]     |
[INFO] [stdout] 129 |             JujuError::SerdeError(ref err) => err.cause(),
[INFO] [stdout]     |                                                   ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::error::Error::cause`: replaced by Error::source, which can support downcasting
[INFO] [stdout]    --> src/lib.rs:130:54
[INFO] [stdout]     |
[INFO] [stdout] 130 |             JujuError::RusqliteError(ref err) => err.cause(),
[INFO] [stdout]     |                                                      ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::error::Error::cause`: replaced by Error::source, which can support downcasting
[INFO] [stdout]    --> src/lib.rs:131:49
[INFO] [stdout]     |
[INFO] [stdout] 131 |             JujuError::VarError(ref err) => err.cause(),
[INFO] [stdout]     |                                                 ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/unitdata.rs:165:38
[INFO] [stdout]     |
[INFO] [stdout] 165 |                 let mut values: Vec<&rusqlite::types::ToSql> = Vec::new();
[INFO] [stdout]     |                                      ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is an object-safe trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 165 |                 let mut values: Vec<&dyn rusqlite::types::ToSql> = Vec::new();
[INFO] [stdout]     |                                      +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/unitdata.rs:180:42
[INFO] [stdout]     |
[INFO] [stdout] 180 |                     let mut values: Vec<&rusqlite::types::ToSql> = Vec::new();
[INFO] [stdout]     |                                          ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is an object-safe trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 180 |                     let mut values: Vec<&dyn rusqlite::types::ToSql> = Vec::new();
[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/lib.rs:95:55
[INFO] [stdout]    |
[INFO] [stdout] 95 |             JujuError::AddrParseError(ref err) => err.description().to_string(),
[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/lib.rs:96:54
[INFO] [stdout]    |
[INFO] [stdout] 96 |             JujuError::FromUtf8Error(ref err) => err.description().to_string(),
[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/lib.rs:97:48
[INFO] [stdout]    |
[INFO] [stdout] 97 |             JujuError::IoError(ref err) => err.description().to_string(),
[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/lib.rs:98:54
[INFO] [stdout]    |
[INFO] [stdout] 98 |             JujuError::ParseIntError(ref err) => err.description().to_string(),
[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/lib.rs:99:54
[INFO] [stdout]    |
[INFO] [stdout] 99 |             JujuError::RusqliteError(ref err) => err.description().to_string(),
[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/lib.rs:100:51
[INFO] [stdout]     |
[INFO] [stdout] 100 |             JujuError::SerdeError(ref err) => err.description().to_string(),
[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/lib.rs:101:49
[INFO] [stdout]     |
[INFO] [stdout] 101 |             JujuError::VarError(ref err) => err.description().to_string(),
[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/lib.rs:107:26
[INFO] [stdout]     |
[INFO] [stdout] 107 |         f.write_str(self.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/lib.rs:114:55
[INFO] [stdout]     |
[INFO] [stdout] 114 |             JujuError::AddrParseError(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/lib.rs:115:54
[INFO] [stdout]     |
[INFO] [stdout] 115 |             JujuError::FromUtf8Error(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/lib.rs:116:48
[INFO] [stdout]     |
[INFO] [stdout] 116 |             JujuError::IoError(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/lib.rs:117:54
[INFO] [stdout]     |
[INFO] [stdout] 117 |             JujuError::ParseIntError(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/lib.rs:118:54
[INFO] [stdout]     |
[INFO] [stdout] 118 |             JujuError::RusqliteError(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/lib.rs:119:51
[INFO] [stdout]     |
[INFO] [stdout] 119 |             JujuError::SerdeError(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/lib.rs:120:49
[INFO] [stdout]     |
[INFO] [stdout] 120 |             JujuError::VarError(ref err) => err.description(),
[INFO] [stdout]     |                                                 ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::error::Error::cause`: replaced by Error::source, which can support downcasting
[INFO] [stdout]    --> src/lib.rs:125:55
[INFO] [stdout]     |
[INFO] [stdout] 125 |             JujuError::AddrParseError(ref err) => err.cause(),
[INFO] [stdout]     |                                                       ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::error::Error::cause`: replaced by Error::source, which can support downcasting
[INFO] [stdout]    --> src/lib.rs:126:54
[INFO] [stdout]     |
[INFO] [stdout] 126 |             JujuError::FromUtf8Error(ref err) => err.cause(),
[INFO] [stdout]     |                                                      ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::error::Error::cause`: replaced by Error::source, which can support downcasting
[INFO] [stdout]    --> src/lib.rs:127:48
[INFO] [stdout]     |
[INFO] [stdout] 127 |             JujuError::IoError(ref err) => err.cause(),
[INFO] [stdout]     |                                                ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::error::Error::cause`: replaced by Error::source, which can support downcasting
[INFO] [stdout]    --> src/lib.rs:128:54
[INFO] [stdout]     |
[INFO] [stdout] 128 |             JujuError::ParseIntError(ref err) => err.cause(),
[INFO] [stdout]     |                                                      ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::error::Error::cause`: replaced by Error::source, which can support downcasting
[INFO] [stdout]    --> src/lib.rs:129:51
[INFO] [stdout]     |
[INFO] [stdout] 129 |             JujuError::SerdeError(ref err) => err.cause(),
[INFO] [stdout]     |                                                   ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::error::Error::cause`: replaced by Error::source, which can support downcasting
[INFO] [stdout]    --> src/lib.rs:130:54
[INFO] [stdout]     |
[INFO] [stdout] 130 |             JujuError::RusqliteError(ref err) => err.cause(),
[INFO] [stdout]     |                                                      ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::error::Error::cause`: replaced by Error::source, which can support downcasting
[INFO] [stdout]    --> src/lib.rs:131:49
[INFO] [stdout]     |
[INFO] [stdout] 131 |             JujuError::VarError(ref err) => err.cause(),
[INFO] [stdout]     |                                                 ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `slots` is never read
[INFO] [stdout]   --> src/unitdata.rs:29:5
[INFO] [stdout]    |
[INFO] [stdout] 28 | pub struct Record {
[INFO] [stdout]    |            ------ field in this struct
[INFO] [stdout] 29 |     slots: HashMap<String, String>,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Record` 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 `data`, `date`, `hook`, `key`, and `revision` are never read
[INFO] [stdout]   --> src/unitdata.rs:34:5
[INFO] [stdout]    |
[INFO] [stdout] 33 | pub struct History {
[INFO] [stdout]    |            ------- fields in this struct
[INFO] [stdout] 34 |     data: Value,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 35 |     date: DateTime<Utc>,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 36 |     hook: String,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 37 |     key: String,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 38 |     revision: u32,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `History` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021
[INFO] [stdout]    --> src/lib.rs:359:15
[INFO] [stdout]     |
[INFO] [stdout] 336 |         let mut file = match OpenOptions::new()
[INFO] [stdout]     |                 ---- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] ...
[INFO] [stdout] 341 |             Ok(f) => f,
[INFO] [stdout]     |                - these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] 342 |             Err(e) => {
[INFO] [stdout]     |                 - these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] ...
[INFO] [stdout] 351 |             Err(e) => {
[INFO] [stdout]     |                 - these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] ...
[INFO] [stdout] 359 |         match file.write(&serialized.as_bytes()) {
[INFO] [stdout]     |               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this changes meaning in Rust 2024
[INFO] [stdout]     = note: for more information, see issue #123739 <https://github.com/rust-lang/rust/issues/123739>
[INFO] [stdout]     = note: requested on the command line with `-D tail-expr-drop-order`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]    --> src/lib.rs:650:35
[INFO] [stdout]     |
[INFO] [stdout] 650 |     let arg = format!("{}={}", key.clone(), value);
[INFO] [stdout]     |                                   ^^^^^^^^ help: remove this redundant call
[INFO] [stdout]     |
[INFO] [stdout]     = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed
[INFO] [stdout]     = note: `#[warn(noop_method_call)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021
[INFO] [stdout]   --> src/unitdata.rs:93:12
[INFO] [stdout]    |
[INFO] [stdout] 82 |             Err(e) => {
[INFO] [stdout]    |                 - these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] ...
[INFO] [stdout] 93 |         Ok(Some(serde_json::from_str(&result)?))
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this changes meaning in Rust 2024
[INFO] [stdout]    = note: for more information, see issue #123739 <https://github.com/rust-lang/rust/issues/123739>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors; 29 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `juju` (lib test) due to 3 previous errors; 29 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: field `slots` is never read
[INFO] [stdout]   --> src/unitdata.rs:29:5
[INFO] [stdout]    |
[INFO] [stdout] 28 | pub struct Record {
[INFO] [stdout]    |            ------ field in this struct
[INFO] [stdout] 29 |     slots: HashMap<String, String>,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Record` 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 `data`, `date`, `hook`, `key`, and `revision` are never read
[INFO] [stdout]   --> src/unitdata.rs:34:5
[INFO] [stdout]    |
[INFO] [stdout] 33 | pub struct History {
[INFO] [stdout]    |            ------- fields in this struct
[INFO] [stdout] 34 |     data: Value,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 35 |     date: DateTime<Utc>,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 36 |     hook: String,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 37 |     key: String,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 38 |     revision: u32,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `History` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021
[INFO] [stdout]    --> src/lib.rs:359:15
[INFO] [stdout]     |
[INFO] [stdout] 336 |         let mut file = match OpenOptions::new()
[INFO] [stdout]     |                 ---- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] ...
[INFO] [stdout] 341 |             Ok(f) => f,
[INFO] [stdout]     |                - these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] 342 |             Err(e) => {
[INFO] [stdout]     |                 - these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] ...
[INFO] [stdout] 351 |             Err(e) => {
[INFO] [stdout]     |                 - these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] ...
[INFO] [stdout] 359 |         match file.write(&serialized.as_bytes()) {
[INFO] [stdout]     |               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this changes meaning in Rust 2024
[INFO] [stdout]     = note: for more information, see issue #123739 <https://github.com/rust-lang/rust/issues/123739>
[INFO] [stdout]     = note: requested on the command line with `-D tail-expr-drop-order`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]    --> src/lib.rs:650:35
[INFO] [stdout]     |
[INFO] [stdout] 650 |     let arg = format!("{}={}", key.clone(), value);
[INFO] [stdout]     |                                   ^^^^^^^^ help: remove this redundant call
[INFO] [stdout]     |
[INFO] [stdout]     = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed
[INFO] [stdout]     = note: `#[warn(noop_method_call)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021
[INFO] [stdout]   --> src/unitdata.rs:93:12
[INFO] [stdout]    |
[INFO] [stdout] 82 |             Err(e) => {
[INFO] [stdout]    |                 - these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] ...
[INFO] [stdout] 93 |         Ok(Some(serde_json::from_str(&result)?))
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this changes meaning in Rust 2024
[INFO] [stdout]    = note: for more information, see issue #123739 <https://github.com/rust-lang/rust/issues/123739>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors; 29 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `juju` (lib) due to 3 previous errors; 29 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "84ffe4b3f81d045711da5d57e28d1a3fbd4d60570b5948b24181126e56352032", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "84ffe4b3f81d045711da5d57e28d1a3fbd4d60570b5948b24181126e56352032", kill_on_drop: false }`
[INFO] [stdout] 84ffe4b3f81d045711da5d57e28d1a3fbd4d60570b5948b24181126e56352032