[INFO] fetching crate fast_chemail 0.9.6...
[INFO] testing fast_chemail-0.9.6 against beta-2022-04-10 for beta-1.61-1
[INFO] extracting crate fast_chemail 0.9.6 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate fast_chemail 0.9.6 on toolchain beta-2022-04-10
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate fast_chemail 0.9.6
[INFO] finished tweaking crates.io crate fast_chemail 0.9.6
[INFO] tweaked toml for crates.io crate fast_chemail 0.9.6 written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 58a6473b93cd687b0390f04055f7a5839e6bd7065364e2fd0de90be8fb385679
[INFO] running `Command { std: "docker" "start" "-a" "58a6473b93cd687b0390f04055f7a5839e6bd7065364e2fd0de90be8fb385679", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "58a6473b93cd687b0390f04055f7a5839e6bd7065364e2fd0de90be8fb385679", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "58a6473b93cd687b0390f04055f7a5839e6bd7065364e2fd0de90be8fb385679", kill_on_drop: false }`
[INFO] [stdout] 58a6473b93cd687b0390f04055f7a5839e6bd7065364e2fd0de90be8fb385679
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6041031b3395707b846038c6f58f35b249d11a8ec3f0f3401b5b5b9ab0e18e71
[INFO] running `Command { std: "docker" "start" "-a" "6041031b3395707b846038c6f58f35b249d11a8ec3f0f3401b5b5b9ab0e18e71", kill_on_drop: false }`
[INFO] [stderr]    Compiling ascii_utils v0.9.3
[INFO] [stderr]    Compiling fast_chemail v0.9.6 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/errors.rs:46:32
[INFO] [stdout]    |
[INFO] [stdout] 46 |     fn cause(&self) -> Option<&error::Error> {
[INFO] [stdout]    |                                ^^^^^^^^^^^^
[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] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 46 -     fn cause(&self) -> Option<&error::Error> {
[INFO] [stdout] 46 +     fn cause(&self) -> Option<&dyn error::Error> {
[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/errors.rs:70:47
[INFO] [stdout]    |
[INFO] [stdout] 70 |             ParseError::Ascii(ref err) => err.description(),
[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/errors.rs:84:56
[INFO] [stdout]    |
[INFO] [stdout] 84 |                 write!(f, "{}: {} ({})", MSG_ERR, self.description(), ch)
[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/errors.rs:87:56
[INFO] [stdout]    |
[INFO] [stdout] 87 |                 write!(f, "{}: {} ({})", MSG_ERR, self.description(), ch)
[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/errors.rs:90:56
[INFO] [stdout]    |
[INFO] [stdout] 90 |                 write!(f, "{}: {} ({})", MSG_ERR, self.description(), ch)
[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/errors.rs:93:56
[INFO] [stdout]    |
[INFO] [stdout] 93 |                 write!(f, "{}: {} ({})", MSG_ERR, self.description(), ch)
[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/errors.rs:96:52
[INFO] [stdout]    |
[INFO] [stdout] 96 |             _ => write!(f, "{}: {}", MSG_ERR, self.description()),
[INFO] [stdout]    |                                                    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.98s
[INFO] running `Command { std: "docker" "inspect" "6041031b3395707b846038c6f58f35b249d11a8ec3f0f3401b5b5b9ab0e18e71", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6041031b3395707b846038c6f58f35b249d11a8ec3f0f3401b5b5b9ab0e18e71", kill_on_drop: false }`
[INFO] [stdout] 6041031b3395707b846038c6f58f35b249d11a8ec3f0f3401b5b5b9ab0e18e71
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d657fc6a57309a3ac4ea1356d52b6fd85947b2d0295ee70182b3036ac70536b0
[INFO] running `Command { std: "docker" "start" "-a" "d657fc6a57309a3ac4ea1356d52b6fd85947b2d0295ee70182b3036ac70536b0", kill_on_drop: false }`
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/errors.rs:46:32
[INFO] [stdout]    |
[INFO] [stdout] 46 |     fn cause(&self) -> Option<&error::Error> {
[INFO] [stdout]    |                                ^^^^^^^^^^^^
[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] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 46 -     fn cause(&self) -> Option<&error::Error> {
[INFO] [stdout] 46 +     fn cause(&self) -> Option<&dyn error::Error> {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling fast_chemail v0.9.6 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/errors.rs:70:47
[INFO] [stdout]    |
[INFO] [stdout] 70 |             ParseError::Ascii(ref err) => err.description(),
[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/errors.rs:84:56
[INFO] [stdout]    |
[INFO] [stdout] 84 |                 write!(f, "{}: {} ({})", MSG_ERR, self.description(), ch)
[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/errors.rs:87:56
[INFO] [stdout]    |
[INFO] [stdout] 87 |                 write!(f, "{}: {} ({})", MSG_ERR, self.description(), ch)
[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/errors.rs:90:56
[INFO] [stdout]    |
[INFO] [stdout] 90 |                 write!(f, "{}: {} ({})", MSG_ERR, self.description(), ch)
[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/errors.rs:93:56
[INFO] [stdout]    |
[INFO] [stdout] 93 |                 write!(f, "{}: {} ({})", MSG_ERR, self.description(), ch)
[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/errors.rs:96:52
[INFO] [stdout]    |
[INFO] [stdout] 96 |             _ => write!(f, "{}: {}", MSG_ERR, self.description()),
[INFO] [stdout]    |                                                    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/errors.rs:46:32
[INFO] [stdout]    |
[INFO] [stdout] 46 |     fn cause(&self) -> Option<&error::Error> {
[INFO] [stdout]    |                                ^^^^^^^^^^^^
[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] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 46 -     fn cause(&self) -> Option<&error::Error> {
[INFO] [stdout] 46 +     fn cause(&self) -> Option<&dyn error::Error> {
[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/errors.rs:70:47
[INFO] [stdout]    |
[INFO] [stdout] 70 |             ParseError::Ascii(ref err) => err.description(),
[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/errors.rs:84:56
[INFO] [stdout]    |
[INFO] [stdout] 84 |                 write!(f, "{}: {} ({})", MSG_ERR, self.description(), ch)
[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/errors.rs:87:56
[INFO] [stdout]    |
[INFO] [stdout] 87 |                 write!(f, "{}: {} ({})", MSG_ERR, self.description(), ch)
[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/errors.rs:90:56
[INFO] [stdout]    |
[INFO] [stdout] 90 |                 write!(f, "{}: {} ({})", MSG_ERR, self.description(), ch)
[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/errors.rs:93:56
[INFO] [stdout]    |
[INFO] [stdout] 93 |                 write!(f, "{}: {} ({})", MSG_ERR, self.description(), ch)
[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/errors.rs:96:52
[INFO] [stdout]    |
[INFO] [stdout] 96 |             _ => write!(f, "{}: {}", MSG_ERR, self.description()),
[INFO] [stdout]    |                                                    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.49s
[INFO] [stderr]   Executable unittests src/lib.rs (/opt/rustwide/target/debug/deps/fast_chemail-3ffdd6e1e51c04cd)
[INFO] [stderr]   Executable tests/lib.rs (/opt/rustwide/target/debug/deps/lib-db243f1f43a115e2)
[INFO] [stderr]   Executable tests/table.rs (/opt/rustwide/target/debug/deps/table-1ed96ccb72702077)
[INFO] running `Command { std: "docker" "inspect" "d657fc6a57309a3ac4ea1356d52b6fd85947b2d0295ee70182b3036ac70536b0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d657fc6a57309a3ac4ea1356d52b6fd85947b2d0295ee70182b3036ac70536b0", kill_on_drop: false }`
[INFO] [stdout] d657fc6a57309a3ac4ea1356d52b6fd85947b2d0295ee70182b3036ac70536b0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 361f65154ba7572e71e629480c2f1dea9d4f90b5a40948ce339084efd95b0640
[INFO] running `Command { std: "docker" "start" "-a" "361f65154ba7572e71e629480c2f1dea9d4f90b5a40948ce339084efd95b0640", kill_on_drop: false }`
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/errors.rs:46:32
[INFO] [stderr]    |
[INFO] [stderr] 46 |     fn cause(&self) -> Option<&error::Error> {
[INFO] [stderr]    |                                ^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]    |
[INFO] [stderr] 46 -     fn cause(&self) -> Option<&error::Error> {
[INFO] [stderr] 46 +     fn cause(&self) -> Option<&dyn error::Error> {
[INFO] [stderr]    | 
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stderr]   --> src/errors.rs:70:47
[INFO] [stderr]    |
[INFO] [stderr] 70 |             ParseError::Ascii(ref err) => err.description(),
[INFO] [stderr]    |                                               ^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stderr]   --> src/errors.rs:84:56
[INFO] [stderr]    |
[INFO] [stderr] 84 |                 write!(f, "{}: {} ({})", MSG_ERR, self.description(), ch)
[INFO] [stderr]    |                                                        ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stderr]   --> src/errors.rs:87:56
[INFO] [stderr]    |
[INFO] [stderr] 87 |                 write!(f, "{}: {} ({})", MSG_ERR, self.description(), ch)
[INFO] [stderr]    |                                                        ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stderr]   --> src/errors.rs:90:56
[INFO] [stderr]    |
[INFO] [stderr] 90 |                 write!(f, "{}: {} ({})", MSG_ERR, self.description(), ch)
[INFO] [stderr]    |                                                        ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stderr]   --> src/errors.rs:93:56
[INFO] [stderr]    |
[INFO] [stderr] 93 |                 write!(f, "{}: {} ({})", MSG_ERR, self.description(), ch)
[INFO] [stderr]    |                                                        ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stderr]   --> src/errors.rs:96:52
[INFO] [stderr]    |
[INFO] [stderr] 96 |             _ => write!(f, "{}: {}", MSG_ERR, self.description()),
[INFO] [stderr]    |                                                    ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `fast_chemail` (lib) generated 7 warnings
[INFO] [stderr] warning: `fast_chemail` (lib test) generated 7 warnings (7 duplicates)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/fast_chemail-3ffdd6e1e51c04cd)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test parser::test_length ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/lib.rs (/opt/rustwide/target/debug/deps/lib-db243f1f43a115e2)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test is_valid_email ... ok
[INFO] [stdout] test parse_email ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/table.rs (/opt/rustwide/target/debug/deps/table-1ed96ccb72702077)
[INFO] [stderr]    Doc-tests fast_chemail
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "361f65154ba7572e71e629480c2f1dea9d4f90b5a40948ce339084efd95b0640", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "361f65154ba7572e71e629480c2f1dea9d4f90b5a40948ce339084efd95b0640", kill_on_drop: false }`
[INFO] [stdout] 361f65154ba7572e71e629480c2f1dea9d4f90b5a40948ce339084efd95b0640