[INFO] fetching crate murmel 0.2.1...
[INFO] testing murmel-0.2.1 against 1.47.0 for beta-1.48-1
[INFO] extracting crate murmel 0.2.1 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate murmel 0.2.1 on toolchain 1.47.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate murmel 0.2.1
[INFO] finished tweaking crates.io crate murmel 0.2.1
[INFO] tweaked toml for crates.io crate murmel 0.2.1 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate crates.io crate murmel 0.2.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+1.47.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8eee7cd6ddd8f8973c1bdb40de9e3c419a6720aaa6e809fa83a70ba0909e0e28
[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" "8eee7cd6ddd8f8973c1bdb40de9e3c419a6720aaa6e809fa83a70ba0909e0e28", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8eee7cd6ddd8f8973c1bdb40de9e3c419a6720aaa6e809fa83a70ba0909e0e28", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8eee7cd6ddd8f8973c1bdb40de9e3c419a6720aaa6e809fa83a70ba0909e0e28", kill_on_drop: false }`
[INFO] [stdout] 8eee7cd6ddd8f8973c1bdb40de9e3c419a6720aaa6e809fa83a70ba0909e0e28
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+1.47.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 500214979bb8c63f58d3a5d344d4a6417c0f54eae650310ecab3a5961b9bbb42
[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" "500214979bb8c63f58d3a5d344d4a6417c0f54eae650310ecab3a5961b9bbb42", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.101
[INFO] [stderr]    Compiling futures-core-preview v0.3.0-alpha.18
[INFO] [stderr]    Compiling proc-macro2 v1.0.4
[INFO] [stderr]    Compiling syn v1.0.5
[INFO] [stderr]    Compiling half v1.3.1
[INFO] [stderr]    Compiling bech32 v0.7.1
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling secp256k1 v0.15.5
[INFO] [stderr]    Compiling c2-chacha v0.2.2
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling getrandom v0.1.12
[INFO] [stderr]    Compiling net2 v0.2.33
[INFO] [stderr]    Compiling simple_logger v0.5.0
[INFO] [stderr]    Compiling futures-sink-preview v0.3.0-alpha.18
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling mio v0.6.19
[INFO] [stderr]    Compiling futures-channel-preview v0.3.0-alpha.18
[INFO] [stderr]    Compiling rand_chacha v0.2.1
[INFO] [stderr]    Compiling futures-util-preview v0.3.0-alpha.18
[INFO] [stderr]    Compiling rand v0.7.2
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]    Compiling futures-executor-preview v0.3.0-alpha.18
[INFO] [stderr]    Compiling futures-preview v0.3.0-alpha.18
[INFO] [stderr]    Compiling futures-timer v0.3.0
[INFO] [stderr]    Compiling serde_derive v1.0.101
[INFO] [stderr]    Compiling bitcoin_hashes v0.7.1
[INFO] [stderr]    Compiling serde_cbor v0.10.2
[INFO] [stderr]    Compiling bitcoin v0.21.0
[INFO] [stderr]    Compiling hammersbald v2.4.0
[INFO] [stderr]    Compiling murmel v0.2.1 (/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:73:39
[INFO] [stdout]    |
[INFO] [stdout] 73 |             Error::IO(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/error.rs:74:41
[INFO] [stdout]    |
[INFO] [stdout] 74 |             Error::Util(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/error.rs:75:48
[INFO] [stdout]    |
[INFO] [stdout] 75 |             Error::Hammersbald(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/error.rs:76:46
[INFO] [stdout]    |
[INFO] [stdout] 76 |             Error::Serialize(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/error.rs:115:38
[INFO] [stdout]     |
[INFO] [stdout] 115 |                 write!(f, "{}", 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/error.rs:139:58
[INFO] [stdout]     |
[INFO] [stdout] 139 |                 io::Error::new(io::ErrorKind::Other, 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/error.rs:172:31
[INFO] [stdout]     |
[INFO] [stdout] 172 |         Error::Downstream(err.description().to_owned())
[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 44.00s
[INFO] running `Command { std: "docker" "inspect" "500214979bb8c63f58d3a5d344d4a6417c0f54eae650310ecab3a5961b9bbb42", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "500214979bb8c63f58d3a5d344d4a6417c0f54eae650310ecab3a5961b9bbb42", kill_on_drop: false }`
[INFO] [stdout] 500214979bb8c63f58d3a5d344d4a6417c0f54eae650310ecab3a5961b9bbb42
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+1.47.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 615634a01241eb6c3958f5b4ec61b134bf96e4a563290a2b052e6a771063926c
[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" "615634a01241eb6c3958f5b4ec61b134bf96e4a563290a2b052e6a771063926c", kill_on_drop: false }`
[INFO] [stderr]    Compiling tempfile v3.1.0
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/error.rs:73:39
[INFO] [stdout]    |
[INFO] [stdout] 73 |             Error::IO(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/error.rs:74:41
[INFO] [stdout]    |
[INFO] [stdout] 74 |             Error::Util(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/error.rs:75:48
[INFO] [stdout]    |
[INFO] [stdout] 75 |             Error::Hammersbald(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/error.rs:76:46
[INFO] [stdout]    |
[INFO] [stdout] 76 |             Error::Serialize(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/error.rs:115:38
[INFO] [stdout]     |
[INFO] [stdout] 115 |                 write!(f, "{}", 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/error.rs:139:58
[INFO] [stdout]     |
[INFO] [stdout] 139 |                 io::Error::new(io::ErrorKind::Other, 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/error.rs:172:31
[INFO] [stdout]     |
[INFO] [stdout] 172 |         Error::Downstream(err.description().to_owned())
[INFO] [stdout]     |                               ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling murmel v0.2.1 (/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:73:39
[INFO] [stdout]    |
[INFO] [stdout] 73 |             Error::IO(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/error.rs:74:41
[INFO] [stdout]    |
[INFO] [stdout] 74 |             Error::Util(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/error.rs:75:48
[INFO] [stdout]    |
[INFO] [stdout] 75 |             Error::Hammersbald(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/error.rs:76:46
[INFO] [stdout]    |
[INFO] [stdout] 76 |             Error::Serialize(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/error.rs:115:38
[INFO] [stdout]     |
[INFO] [stdout] 115 |                 write!(f, "{}", 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/error.rs:139:58
[INFO] [stdout]     |
[INFO] [stdout] 139 |                 io::Error::new(io::ErrorKind::Other, 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/error.rs:172:31
[INFO] [stdout]     |
[INFO] [stdout] 172 |         Error::Downstream(err.description().to_owned())
[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 2.22s
[INFO] running `Command { std: "docker" "inspect" "615634a01241eb6c3958f5b4ec61b134bf96e4a563290a2b052e6a771063926c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "615634a01241eb6c3958f5b4ec61b134bf96e4a563290a2b052e6a771063926c", kill_on_drop: false }`
[INFO] [stdout] 615634a01241eb6c3958f5b4ec61b134bf96e4a563290a2b052e6a771063926c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+1.47.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] c16848327b05429c7e8c86b5db9527cac9d32e2361f76a2fec7c3b9889ede23f
[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" "c16848327b05429c7e8c86b5db9527cac9d32e2361f76a2fec7c3b9889ede23f", 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:73:39
[INFO] [stderr]    |
[INFO] [stderr] 73 |             Error::IO(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/error.rs:74:41
[INFO] [stderr]    |
[INFO] [stderr] 74 |             Error::Util(ref err) => err.description(),
[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:75:48
[INFO] [stderr]    |
[INFO] [stderr] 75 |             Error::Hammersbald(ref err) => err.description(),
[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:76:46
[INFO] [stderr]    |
[INFO] [stderr] 76 |             Error::Serialize(ref err) => err.description(),
[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:115:38
[INFO] [stderr]     |
[INFO] [stderr] 115 |                 write!(f, "{}", self.description())
[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:139:58
[INFO] [stderr]     |
[INFO] [stderr] 139 |                 io::Error::new(io::ErrorKind::Other, err.description())
[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:172:31
[INFO] [stderr]     |
[INFO] [stderr] 172 |         Error::Downstream(err.description().to_owned())
[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:73:39
[INFO] [stderr]    |
[INFO] [stderr] 73 |             Error::IO(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/error.rs:74:41
[INFO] [stderr]    |
[INFO] [stderr] 74 |             Error::Util(ref err) => err.description(),
[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:75:48
[INFO] [stderr]    |
[INFO] [stderr] 75 |             Error::Hammersbald(ref err) => err.description(),
[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:76:46
[INFO] [stderr]    |
[INFO] [stderr] 76 |             Error::Serialize(ref err) => err.description(),
[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:115:38
[INFO] [stderr]     |
[INFO] [stderr] 115 |                 write!(f, "{}", self.description())
[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:139:58
[INFO] [stderr]     |
[INFO] [stderr] 139 |                 io::Error::new(io::ErrorKind::Other, err.description())
[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:172:31
[INFO] [stderr]     |
[INFO] [stderr] 172 |         Error::Downstream(err.description().to_owned())
[INFO] [stderr]     |                               ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 7 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/murmel-b3a304049805a309
[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
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/client-d50d0664f1199cb1
[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
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests murmel
[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
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "c16848327b05429c7e8c86b5db9527cac9d32e2361f76a2fec7c3b9889ede23f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c16848327b05429c7e8c86b5db9527cac9d32e2361f76a2fec7c3b9889ede23f", kill_on_drop: false }`
[INFO] [stdout] c16848327b05429c7e8c86b5db9527cac9d32e2361f76a2fec7c3b9889ede23f
