[INFO] fetching crate mailstrom 0.7.0...
[INFO] testing mailstrom-0.7.0 against beta-2020-10-09 for beta-1.48-1
[INFO] extracting crate mailstrom 0.7.0 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate mailstrom 0.7.0 on toolchain beta-2020-10-09
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate mailstrom 0.7.0
[INFO] finished tweaking crates.io crate mailstrom 0.7.0
[INFO] tweaked toml for crates.io crate mailstrom 0.7.0 written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded fast_chemail v0.9.6
[INFO] [stderr]   Downloaded bufstream v0.1.4
[INFO] [stderr]   Downloaded winutil v0.1.1
[INFO] [stderr]   Downloaded lettre v0.9.3
[INFO] [stderr]   Downloaded trust-dns-proto v0.6.3
[INFO] [stderr]   Downloaded buf-read-ext v0.3.0
[INFO] [stderr]   Downloaded email-format v0.8.0
[INFO] [stderr]   Downloaded env_logger v0.3.5
[INFO] [stderr]   Downloaded hostname v0.1.5
[INFO] [stderr]   Downloaded widestring v0.2.2
[INFO] [stderr]   Downloaded trust-dns-resolver v0.10.3
[INFO] [stderr]   Downloaded winreg v0.5.1
[INFO] [stderr]   Downloaded ascii_utils v0.9.3
[INFO] [stderr]   Downloaded uuid v0.4.0
[INFO] [stderr]   Downloaded ipconfig v0.1.9
[INFO] [stderr]   Downloaded error-chain v0.8.1
[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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-10-09" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 310ae30f27718a4249ae7da8e1eb3c203d5a0c4743643baadc8c54ee025b3596
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "310ae30f27718a4249ae7da8e1eb3c203d5a0c4743643baadc8c54ee025b3596", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "310ae30f27718a4249ae7da8e1eb3c203d5a0c4743643baadc8c54ee025b3596", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "310ae30f27718a4249ae7da8e1eb3c203d5a0c4743643baadc8c54ee025b3596", kill_on_drop: false }`
[INFO] [stdout] 310ae30f27718a4249ae7da8e1eb3c203d5a0c4743643baadc8c54ee025b3596
[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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-10-09" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] fbdd254c39291bf5673eb54cf88511bf1935448a348f00c8e3aa7bb7afe7f50c
[INFO] running `Command { std: "docker" "start" "-a" "fbdd254c39291bf5673eb54cf88511bf1935448a348f00c8e3aa7bb7afe7f50c", kill_on_drop: false }`
[INFO] [stderr]    Compiling ascii_utils v0.9.3
[INFO] [stderr]    Compiling buf-read-ext v0.3.0
[INFO] [stderr]    Compiling toml v0.5.7
[INFO] [stderr]    Compiling hostname v0.3.1
[INFO] [stderr]    Compiling socket2 v0.3.15
[INFO] [stderr]    Compiling hostname v0.1.5
[INFO] [stderr]    Compiling uuid v0.4.0
[INFO] [stderr]    Compiling tokio-udp v0.1.6
[INFO] [stderr]    Compiling tokio-uds v0.2.7
[INFO] [stderr]    Compiling resolv-conf v0.6.3
[INFO] [stderr]    Compiling fast_chemail v0.9.6
[INFO] [stderr]    Compiling lettre v0.9.3
[INFO] [stderr]    Compiling tokio v0.1.22
[INFO] [stderr]    Compiling trust-dns-proto v0.6.3
[INFO] [stderr]    Compiling email-format v0.8.0
[INFO] [stderr]    Compiling trust-dns-resolver v0.10.3
[INFO] [stderr]    Compiling mailstrom v0.7.0 (/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/error.rs:55:60
[INFO] [stdout]    |
[INFO] [stdout] 55 |             Error::Send(ref e) => format!("{}: {:?}", self.description(), e).fmt(f),
[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/error.rs:56:67
[INFO] [stdout]    |
[INFO] [stdout] 56 |             Error::EmailParser(ref e) => format!("{}: {:?}", self.description(), e).fmt(f),
[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/error.rs:57:61
[INFO] [stdout]    |
[INFO] [stdout] 57 |             Error::General(ref e) => format!("{}: {}", self.description(), e).fmt(f),
[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/error.rs:58:61
[INFO] [stdout]    |
[INFO] [stdout] 58 |             Error::Storage(ref s) => format!("{}: {}", self.description(), s).fmt(f),
[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/error.rs:59:72
[INFO] [stdout]    |
[INFO] [stdout] 59 |             Error::LettreEmailAddress(ref e) => format!("{}: {}", self.description(), e).fmt(f),
[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/error.rs:60:23
[INFO] [stdout]    |
[INFO] [stdout] 60 |             _ => self.description().to_string().fmt(f),
[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/storage/memory_storage.rs:29:52
[INFO] [stdout]    |
[INFO] [stdout] 29 |         write!(f, "Memory Storage Error: {}", 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 25.74s
[INFO] running `Command { std: "docker" "inspect" "fbdd254c39291bf5673eb54cf88511bf1935448a348f00c8e3aa7bb7afe7f50c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fbdd254c39291bf5673eb54cf88511bf1935448a348f00c8e3aa7bb7afe7f50c", kill_on_drop: false }`
[INFO] [stdout] fbdd254c39291bf5673eb54cf88511bf1935448a348f00c8e3aa7bb7afe7f50c
[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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-10-09" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] ea171157ac3edcf11412461b07e2d69b59e27a72340e001898576db8191b021e
[INFO] running `Command { std: "docker" "start" "-a" "ea171157ac3edcf11412461b07e2d69b59e27a72340e001898576db8191b021e", kill_on_drop: false }`
[INFO] [stderr]    Compiling mailstrom v0.7.0 (/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/error.rs:55:60
[INFO] [stdout]    |
[INFO] [stdout] 55 |             Error::Send(ref e) => format!("{}: {:?}", self.description(), e).fmt(f),
[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/error.rs:56:67
[INFO] [stdout]    |
[INFO] [stdout] 56 |             Error::EmailParser(ref e) => format!("{}: {:?}", self.description(), e).fmt(f),
[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/error.rs:57:61
[INFO] [stdout]    |
[INFO] [stdout] 57 |             Error::General(ref e) => format!("{}: {}", self.description(), e).fmt(f),
[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/error.rs:58:61
[INFO] [stdout]    |
[INFO] [stdout] 58 |             Error::Storage(ref s) => format!("{}: {}", self.description(), s).fmt(f),
[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/error.rs:59:72
[INFO] [stdout]    |
[INFO] [stdout] 59 |             Error::LettreEmailAddress(ref e) => format!("{}: {}", self.description(), e).fmt(f),
[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/error.rs:60:23
[INFO] [stdout]    |
[INFO] [stdout] 60 |             _ => self.description().to_string().fmt(f),
[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/storage/memory_storage.rs:29:52
[INFO] [stdout]    |
[INFO] [stdout] 29 |         write!(f, "Memory Storage Error: {}", self.description())
[INFO] [stdout]    |                                                    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[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/error.rs:55:60
[INFO] [stdout]    |
[INFO] [stdout] 55 |             Error::Send(ref e) => format!("{}: {:?}", self.description(), e).fmt(f),
[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/error.rs:56:67
[INFO] [stdout]    |
[INFO] [stdout] 56 |             Error::EmailParser(ref e) => format!("{}: {:?}", self.description(), e).fmt(f),
[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/error.rs:57:61
[INFO] [stdout]    |
[INFO] [stdout] 57 |             Error::General(ref e) => format!("{}: {}", self.description(), e).fmt(f),
[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/error.rs:58:61
[INFO] [stdout]    |
[INFO] [stdout] 58 |             Error::Storage(ref s) => format!("{}: {}", self.description(), s).fmt(f),
[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/error.rs:59:72
[INFO] [stdout]    |
[INFO] [stdout] 59 |             Error::LettreEmailAddress(ref e) => format!("{}: {}", self.description(), e).fmt(f),
[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/error.rs:60:23
[INFO] [stdout]    |
[INFO] [stdout] 60 |             _ => self.description().to_string().fmt(f),
[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/storage/memory_storage.rs:29:52
[INFO] [stdout]    |
[INFO] [stdout] 29 |         write!(f, "Memory Storage Error: {}", 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 11.37s
[INFO] running `Command { std: "docker" "inspect" "ea171157ac3edcf11412461b07e2d69b59e27a72340e001898576db8191b021e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ea171157ac3edcf11412461b07e2d69b59e27a72340e001898576db8191b021e", kill_on_drop: false }`
[INFO] [stdout] ea171157ac3edcf11412461b07e2d69b59e27a72340e001898576db8191b021e
[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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-10-09" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 067f6f01dfc5be770458bcc37ecc3c7364120559e62d02d8c8457f3fb303d754
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "067f6f01dfc5be770458bcc37ecc3c7364120559e62d02d8c8457f3fb303d754", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stderr]   --> src/error.rs:55:60
[INFO] [stderr]    |
[INFO] [stderr] 55 |             Error::Send(ref e) => format!("{}: {:?}", self.description(), e).fmt(f),
[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/error.rs:56:67
[INFO] [stderr]    |
[INFO] [stderr] 56 |             Error::EmailParser(ref e) => format!("{}: {:?}", self.description(), e).fmt(f),
[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/error.rs:57:61
[INFO] [stderr]    |
[INFO] [stderr] 57 |             Error::General(ref e) => format!("{}: {}", self.description(), e).fmt(f),
[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/error.rs:58:61
[INFO] [stderr]    |
[INFO] [stderr] 58 |             Error::Storage(ref s) => format!("{}: {}", self.description(), s).fmt(f),
[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/error.rs:59:72
[INFO] [stderr]    |
[INFO] [stderr] 59 |             Error::LettreEmailAddress(ref e) => format!("{}: {}", self.description(), e).fmt(f),
[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/error.rs:60:23
[INFO] [stderr]    |
[INFO] [stderr] 60 |             _ => self.description().to_string().fmt(f),
[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/storage/memory_storage.rs:29:52
[INFO] [stderr]    |
[INFO] [stderr] 29 |         write!(f, "Memory Storage Error: {}", self.description())
[INFO] [stderr]    |                                                    ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 7 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stderr]   --> src/error.rs:55:60
[INFO] [stderr]    |
[INFO] [stderr] 55 |             Error::Send(ref e) => format!("{}: {:?}", self.description(), e).fmt(f),
[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/error.rs:56:67
[INFO] [stderr]    |
[INFO] [stderr] 56 |             Error::EmailParser(ref e) => format!("{}: {:?}", self.description(), e).fmt(f),
[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/error.rs:57:61
[INFO] [stderr]    |
[INFO] [stderr] 57 |             Error::General(ref e) => format!("{}: {}", self.description(), e).fmt(f),
[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/error.rs:58:61
[INFO] [stderr]    |
[INFO] [stderr] 58 |             Error::Storage(ref s) => format!("{}: {}", self.description(), s).fmt(f),
[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/error.rs:59:72
[INFO] [stderr]    |
[INFO] [stderr] 59 |             Error::LettreEmailAddress(ref e) => format!("{}: {}", self.description(), e).fmt(f),
[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/error.rs:60:23
[INFO] [stderr]    |
[INFO] [stderr] 60 |             _ => self.description().to_string().fmt(f),
[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/storage/memory_storage.rs:29:52
[INFO] [stderr]    |
[INFO] [stderr] 29 |         write!(f, "Memory Storage Error: {}", self.description())
[INFO] [stderr]    |                                                    ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 7 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.17s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/mailstrom-900ed8a5c5877d19
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test tests::test_terminate ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests mailstrom
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - (line 32) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "067f6f01dfc5be770458bcc37ecc3c7364120559e62d02d8c8457f3fb303d754", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "067f6f01dfc5be770458bcc37ecc3c7364120559e62d02d8c8457f3fb303d754", kill_on_drop: false }`
[INFO] [stdout] 067f6f01dfc5be770458bcc37ecc3c7364120559e62d02d8c8457f3fb303d754
