[INFO] fetching crate mailstrom 0.7.0...
[INFO] testing mailstrom-0.7.0 against 1.54.0 for beta-1.55-1
[INFO] extracting crate mailstrom 0.7.0 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate mailstrom 0.7.0 on toolchain 1.54.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", 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-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+1.54.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 97021b0b6d6811ca98330eb69b625eebce14ceac0af6ae9961e4c26bb377c560
[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" "97021b0b6d6811ca98330eb69b625eebce14ceac0af6ae9961e4c26bb377c560", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "97021b0b6d6811ca98330eb69b625eebce14ceac0af6ae9961e4c26bb377c560", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "97021b0b6d6811ca98330eb69b625eebce14ceac0af6ae9961e4c26bb377c560", kill_on_drop: false }`
[INFO] [stdout] 97021b0b6d6811ca98330eb69b625eebce14ceac0af6ae9961e4c26bb377c560
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ec05ed73fcf0303fddfd9fc07db62e1cdd6d1543101157a46a75809a7b6c5bb9
[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" "ec05ed73fcf0303fddfd9fc07db62e1cdd6d1543101157a46a75809a7b6c5bb9", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.98
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]    Compiling openssl v0.10.35
[INFO] [stderr]    Compiling version_check v0.1.5
[INFO] [stderr]    Compiling once_cell v1.8.0
[INFO] [stderr]    Compiling rand_core v0.4.2
[INFO] [stderr]    Compiling ascii_utils v0.9.3
[INFO] [stderr]    Compiling match_cfg v0.1.0
[INFO] [stderr]    Compiling bufstream v0.1.4
[INFO] [stderr]    Compiling quick-error v1.2.3
[INFO] [stderr]    Compiling buf-read-ext v0.3.0
[INFO] [stderr]    Compiling base64 v0.10.1
[INFO] [stderr]    Compiling lru-cache v0.1.2
[INFO] [stderr]    Compiling native-tls v0.2.7
[INFO] [stderr]    Compiling toml v0.5.8
[INFO] [stderr]    Compiling serde_json v1.0.66
[INFO] [stderr]    Compiling url v1.7.2
[INFO] [stderr]    Compiling synstructure v0.12.5
[INFO] [stderr]    Compiling serde_derive v1.0.127
[INFO] [stderr]    Compiling fast_chemail v0.9.6
[INFO] [stderr]    Compiling rand_core v0.3.1
[INFO] [stderr]    Compiling nom v4.2.3
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]    Compiling object v0.26.0
[INFO] [stderr]    Compiling iovec v0.1.4
[INFO] [stderr]    Compiling net2 v0.2.37
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling parking_lot_core v0.6.2
[INFO] [stderr]    Compiling openssl-sys v0.9.65
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling socket2 v0.3.19
[INFO] [stderr]    Compiling hostname v0.3.1
[INFO] [stderr]    Compiling hostname v0.1.5
[INFO] [stderr]    Compiling rand v0.5.6
[INFO] [stderr]    Compiling bytes v0.4.12
[INFO] [stderr]    Compiling tokio-threadpool v0.1.18
[INFO] [stderr]    Compiling mio v0.6.23
[INFO] [stderr]    Compiling parking_lot v0.9.0
[INFO] [stderr]    Compiling resolv-conf v0.6.3
[INFO] [stderr]    Compiling rand v0.3.23
[INFO] [stderr]    Compiling tokio-io v0.1.13
[INFO] [stderr]    Compiling uuid v0.4.0
[INFO] [stderr]    Compiling mio-uds v0.6.8
[INFO] [stderr]    Compiling tokio-reactor v0.1.12
[INFO] [stderr]    Compiling tokio-codec v0.1.2
[INFO] [stderr]    Compiling tokio-fs v0.1.7
[INFO] [stderr]    Compiling tokio-tcp v0.1.4
[INFO] [stderr]    Compiling tokio-udp v0.1.6
[INFO] [stderr]    Compiling tokio-uds v0.2.7
[INFO] [stderr]    Compiling tokio v0.1.22
[INFO] [stderr]    Compiling backtrace v0.3.61
[INFO] [stderr]    Compiling lettre v0.9.6
[INFO] [stderr]    Compiling failure v0.1.8
[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 1m 29s
[INFO] running `Command { std: "docker" "inspect" "ec05ed73fcf0303fddfd9fc07db62e1cdd6d1543101157a46a75809a7b6c5bb9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ec05ed73fcf0303fddfd9fc07db62e1cdd6d1543101157a46a75809a7b6c5bb9", kill_on_drop: false }`
[INFO] [stdout] ec05ed73fcf0303fddfd9fc07db62e1cdd6d1543101157a46a75809a7b6c5bb9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "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] 529f5721ac9a6ddb2f530de5e101453ceaffc4cfdc9ff191b68767e27c1c3981
[INFO] running `Command { std: "docker" "start" "-a" "529f5721ac9a6ddb2f530de5e101453ceaffc4cfdc9ff191b68767e27c1c3981", kill_on_drop: false }`
[INFO] [stderr]    Compiling winapi-build v0.1.1
[INFO] [stderr]    Compiling winapi v0.2.8
[INFO] [stderr]    Compiling utf8-ranges v0.1.3
[INFO] [stderr]    Compiling regex-syntax v0.3.9
[INFO] [stderr]    Compiling memchr v0.1.11
[INFO] [stderr]    Compiling log v0.3.9
[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]    Compiling aho-corasick v0.5.3
[INFO] [stderr]    Compiling kernel32-sys v0.2.2
[INFO] [stderr]    Compiling thread-id v2.0.0
[INFO] [stderr]    Compiling thread_local v0.2.7
[INFO] [stderr]    Compiling regex v0.1.80
[INFO] [stderr]    Compiling env_logger v0.3.5
[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 test [unoptimized + debuginfo] target(s) in 20.41s
[INFO] running `Command { std: "docker" "inspect" "529f5721ac9a6ddb2f530de5e101453ceaffc4cfdc9ff191b68767e27c1c3981", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "529f5721ac9a6ddb2f530de5e101453ceaffc4cfdc9ff191b68767e27c1c3981", kill_on_drop: false }`
[INFO] [stdout] 529f5721ac9a6ddb2f530de5e101453ceaffc4cfdc9ff191b68767e27c1c3981
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 96e4ba0954b16e82cfb4ebcc2d1c3f6f133b0c1bf0323ebda96c3d268aac423a
[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" "96e4ba0954b16e82cfb4ebcc2d1c3f6f133b0c1bf0323ebda96c3d268aac423a", kill_on_drop: false }`
[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 0.15s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/mailstrom-70183c7de937af8a)
[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; finished in 0.10s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests mailstrom
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - (line 32) - compile ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.17s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "96e4ba0954b16e82cfb4ebcc2d1c3f6f133b0c1bf0323ebda96c3d268aac423a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "96e4ba0954b16e82cfb4ebcc2d1c3f6f133b0c1bf0323ebda96c3d268aac423a", kill_on_drop: false }`
[INFO] [stdout] 96e4ba0954b16e82cfb4ebcc2d1c3f6f133b0c1bf0323ebda96c3d268aac423a
