[INFO] fetching crate juju 1.0.0...
[INFO] checking juju-1.0.0 against try#39e1293fce4b650061e85dda88aa428f726a8444 for pr-88041
[INFO] extracting crate juju 1.0.0 into /workspace/builds/worker-19/source
[INFO] validating manifest of crates.io crate juju 1.0.0 on toolchain 39e1293fce4b650061e85dda88aa428f726a8444
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+39e1293fce4b650061e85dda88aa428f726a8444" "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-19/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+39e1293fce4b650061e85dda88aa428f726a8444" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+39e1293fce4b650061e85dda88aa428f726a8444" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded juju v0.3.1
[INFO] [stderr]   Downloaded charmhelpers v0.1.3
[INFO] [stderr]   Downloaded rusqlite v0.14.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+39e1293fce4b650061e85dda88aa428f726a8444" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c58d059bc1be3a3b4ee88b520a2922da387cce0c18f48a8cdf28c5444757afb9
[INFO] running `Command { std: "docker" "start" "-a" "c58d059bc1be3a3b4ee88b520a2922da387cce0c18f48a8cdf28c5444757afb9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c58d059bc1be3a3b4ee88b520a2922da387cce0c18f48a8cdf28c5444757afb9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c58d059bc1be3a3b4ee88b520a2922da387cce0c18f48a8cdf28c5444757afb9", kill_on_drop: false }`
[INFO] [stdout] c58d059bc1be3a3b4ee88b520a2922da387cce0c18f48a8cdf28c5444757afb9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+39e1293fce4b650061e85dda88aa428f726a8444" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5b612837e770fae09f889c613e55f9b5a7bb46b498aaef4ebff1ba0ca41b3073
[INFO] running `Command { std: "docker" "start" "-a" "5b612837e770fae09f889c613e55f9b5a7bb46b498aaef4ebff1ba0ca41b3073", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.99
[INFO] [stderr]    Compiling unicode-xid v0.0.4
[INFO] [stderr]    Compiling quote v0.3.15
[INFO] [stderr]     Checking linked-hash-map v0.5.4
[INFO] [stderr]     Checking juju v0.3.1
[INFO] [stderr]     Checking dtoa v0.4.8
[INFO] [stderr]     Checking itoa v0.3.4
[INFO] [stderr]     Checking serde v0.9.15
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling libsqlite3-sys v0.9.3
[INFO] [stderr]     Checking log v0.3.9
[INFO] [stderr]    Compiling synom v0.11.3
[INFO] [stderr]     Checking lru-cache v0.1.2
[INFO] [stderr]     Checking charmhelpers v0.1.3
[INFO] [stderr]    Compiling syn v0.11.11
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]     Checking memchr v1.0.2
[INFO] [stderr]     Checking num-integer v0.1.44
[INFO] [stderr]     Checking num-traits v0.1.43
[INFO] [stderr]    Compiling serde_codegen_internals v0.14.2
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking serde_json v0.9.10
[INFO] [stderr]    Compiling serde_derive v0.9.15
[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/unitdata.rs:165:38
[INFO] [stdout]     |
[INFO] [stdout] 165 |                 let mut values: Vec<&rusqlite::types::ToSql> = Vec::new();
[INFO] [stdout]     |                                      ^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn rusqlite::types::ToSql`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[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] 
[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]     |                                          ^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn rusqlite::types::ToSql`
[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] 
[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]     |                                ^^^^^ help: use `dyn`: `dyn Error`
[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] 
[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]     |                                      ^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn rusqlite::types::ToSql`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[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] 
[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]     |                                          ^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn rusqlite::types::ToSql`
[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] 
[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]     |                                ^^^^^ help: use `dyn`: `dyn Error`
[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] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `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]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `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]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `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 associated function `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 associated function `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 associated function `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 associated function `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 associated function `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 associated function `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 associated function `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 associated function `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 associated function `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 associated function `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 associated function `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 associated function `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 associated function `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 associated function `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 associated function `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 associated function `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 associated function `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 associated function `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 associated function `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 associated function `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 associated function `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 associated function `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 associated function `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 associated function `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 associated function `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 associated function `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 associated function `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 associated function `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 associated function `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 associated function `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 associated function `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 associated function `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 associated function `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 associated function `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: use of deprecated associated function `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 associated function `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 associated function `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 associated function `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 associated function `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 associated function `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 associated function `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: use of deprecated associated function `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]     |                                  ^^^^^^^^^^^^^^^^^ help: replace the use of the deprecated associated function: `trim_start_matches`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `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]     |                                  ^^^^^^^^^^^^^^^^^ help: replace the use of the deprecated associated function: `trim_start_matches`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 26 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 26 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]   --> tests/test_unitdata.rs:36:53
[INFO] [stdout]    |
[INFO] [stdout] 36 |     assert_eq!(results.get("foo3").unwrap(), "bar");;
[INFO] [stdout]    |                                                     ^ help: remove this semicolon
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]   --> tests/test_unitdata.rs:42:52
[INFO] [stdout]    |
[INFO] [stdout] 42 |     assert_eq!(results_2.get("3").unwrap(), "bar");;
[INFO] [stdout]    |                                                    ^ help: remove this semicolon
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.73s
[INFO] running `Command { std: "docker" "inspect" "5b612837e770fae09f889c613e55f9b5a7bb46b498aaef4ebff1ba0ca41b3073", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5b612837e770fae09f889c613e55f9b5a7bb46b498aaef4ebff1ba0ca41b3073", kill_on_drop: false }`
[INFO] [stdout] 5b612837e770fae09f889c613e55f9b5a7bb46b498aaef4ebff1ba0ca41b3073