[INFO] fetching crate libstat 0.1.1...
[INFO] testing libstat-0.1.1 against beta-2021-08-01 for beta-1.55-1
[INFO] extracting crate libstat 0.1.1 into /workspace/builds/worker-83/source
[INFO] validating manifest of crates.io crate libstat 0.1.1 on toolchain beta-2021-08-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate libstat 0.1.1
[INFO] finished tweaking crates.io crate libstat 0.1.1
[INFO] tweaked toml for crates.io crate libstat 0.1.1 written to /workspace/builds/worker-83/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded libmath v0.1.4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-83/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-83/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" "+beta-2021-08-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d68437d241a912238936b613c6ab59a4fb9f19e2749921f699719c81fd504581
[INFO] running `Command { std: "docker" "start" "-a" "d68437d241a912238936b613c6ab59a4fb9f19e2749921f699719c81fd504581", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d68437d241a912238936b613c6ab59a4fb9f19e2749921f699719c81fd504581", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d68437d241a912238936b613c6ab59a4fb9f19e2749921f699719c81fd504581", kill_on_drop: false }`
[INFO] [stdout] d68437d241a912238936b613c6ab59a4fb9f19e2749921f699719c81fd504581
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-83/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-83/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" "+beta-2021-08-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2e7377ce1fe69099a98d3f3ffceb31a08e868a520723d06afc9b88b840c134fd
[INFO] running `Command { std: "docker" "start" "-a" "2e7377ce1fe69099a98d3f3ffceb31a08e868a520723d06afc9b88b840c134fd", kill_on_drop: false }`
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling rand v0.3.23
[INFO] [stderr]    Compiling libmath v0.1.4
[INFO] [stderr]    Compiling libstat v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/analysis/trend.rs:39:11
[INFO] [stdout]    |
[INFO] [stdout] 39 |         None => try!(simple_moving_average(slice)),
[INFO] [stdout]    |                 ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/analysis/mod.rs:51:29
[INFO] [stdout]    |
[INFO] [stdout] 51 |     fn cause(&self) -> Option<&Error> {
[INFO] [stdout]    |                                ^^^^^ help: use `dyn`: `dyn Error`
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[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/analysis/mod.rs:35:31
[INFO] [stdout]    |
[INFO] [stdout] 35 |         write!(f, "error: {}", self.description())
[INFO] [stdout]    |                                     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: floating-point types cannot be used in patterns
[INFO] [stdout]   --> src/analysis/momentum.rs:34:3
[INFO] [stdout]    |
[INFO] [stdout] 34 |         0. => 100.,
[INFO] [stdout]    |         ^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(illegal_floating_point_literal_pattern)]` on by default
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = note: for more information, see issue #41620 <https://github.com/rust-lang/rust/issues/41620>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.74s
[INFO] running `Command { std: "docker" "inspect" "2e7377ce1fe69099a98d3f3ffceb31a08e868a520723d06afc9b88b840c134fd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2e7377ce1fe69099a98d3f3ffceb31a08e868a520723d06afc9b88b840c134fd", kill_on_drop: false }`
[INFO] [stdout] 2e7377ce1fe69099a98d3f3ffceb31a08e868a520723d06afc9b88b840c134fd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-83/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-83/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" "+beta-2021-08-01" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2989d26906fe7f44dd45317144358b8ff4943c60edc9b0da1d6253d938d6de42
[INFO] running `Command { std: "docker" "start" "-a" "2989d26906fe7f44dd45317144358b8ff4943c60edc9b0da1d6253d938d6de42", kill_on_drop: false }`
[INFO] [stderr]    Compiling libstat v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/analysis/trend.rs:39:11
[INFO] [stdout]    |
[INFO] [stdout] 39 |         None => try!(simple_moving_average(slice)),
[INFO] [stdout]    |                 ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/analysis/mod.rs:51:29
[INFO] [stdout]    |
[INFO] [stdout] 51 |     fn cause(&self) -> Option<&Error> {
[INFO] [stdout]    |                                ^^^^^ help: use `dyn`: `dyn Error`
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[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/analysis/mod.rs:35:31
[INFO] [stdout]    |
[INFO] [stdout] 35 |         write!(f, "error: {}", self.description())
[INFO] [stdout]    |                                     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: floating-point types cannot be used in patterns
[INFO] [stdout]   --> src/analysis/momentum.rs:34:3
[INFO] [stdout]    |
[INFO] [stdout] 34 |         0. => 100.,
[INFO] [stdout]    |         ^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(illegal_floating_point_literal_pattern)]` on by default
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = note: for more information, see issue #41620 <https://github.com/rust-lang/rust/issues/41620>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/analysis/trend.rs:39:11
[INFO] [stdout]    |
[INFO] [stdout] 39 |         None => try!(simple_moving_average(slice)),
[INFO] [stdout]    |                 ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/analysis/mod.rs:51:29
[INFO] [stdout]    |
[INFO] [stdout] 51 |     fn cause(&self) -> Option<&Error> {
[INFO] [stdout]    |                                ^^^^^ help: use `dyn`: `dyn Error`
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[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/analysis/mod.rs:35:31
[INFO] [stdout]    |
[INFO] [stdout] 35 |         write!(f, "error: {}", 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/analysis/momentum.rs:173:24
[INFO] [stdout]     |
[INFO] [stdout] 173 |                     => assert_eq!(err.description(), exp.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/analysis/momentum.rs:173:43
[INFO] [stdout]     |
[INFO] [stdout] 173 |                     => assert_eq!(err.description(), exp.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/analysis/momentum.rs:214:24
[INFO] [stdout]     |
[INFO] [stdout] 214 |                     => assert_eq!(err.description(), exp.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/analysis/momentum.rs:214:43
[INFO] [stdout]     |
[INFO] [stdout] 214 |                     => assert_eq!(err.description(), exp.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/analysis/momentum.rs:255:24
[INFO] [stdout]     |
[INFO] [stdout] 255 |                     => assert_eq!(err.description(), exp.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/analysis/momentum.rs:255:43
[INFO] [stdout]     |
[INFO] [stdout] 255 |                     => assert_eq!(err.description(), exp.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/analysis/trend.rs:122:24
[INFO] [stdout]     |
[INFO] [stdout] 122 |                     => assert_eq!(err.description(), exp.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/analysis/trend.rs:122:43
[INFO] [stdout]     |
[INFO] [stdout] 122 |                     => assert_eq!(err.description(), exp.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/analysis/trend.rs:172:24
[INFO] [stdout]     |
[INFO] [stdout] 172 |                     => assert_eq!(err.description(), exp.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/analysis/trend.rs:172:43
[INFO] [stdout]     |
[INFO] [stdout] 172 |                     => assert_eq!(err.description(), exp.description()),
[INFO] [stdout]     |                                                          ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: floating-point types cannot be used in patterns
[INFO] [stdout]   --> src/analysis/momentum.rs:34:3
[INFO] [stdout]    |
[INFO] [stdout] 34 |         0. => 100.,
[INFO] [stdout]    |         ^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(illegal_floating_point_literal_pattern)]` on by default
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = note: for more information, see issue #41620 <https://github.com/rust-lang/rust/issues/41620>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 14 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.05s
[INFO] running `Command { std: "docker" "inspect" "2989d26906fe7f44dd45317144358b8ff4943c60edc9b0da1d6253d938d6de42", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2989d26906fe7f44dd45317144358b8ff4943c60edc9b0da1d6253d938d6de42", kill_on_drop: false }`
[INFO] [stdout] 2989d26906fe7f44dd45317144358b8ff4943c60edc9b0da1d6253d938d6de42
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-83/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-83/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" "+beta-2021-08-01" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] ba686230d79eb15564b8a8fe7c2e18f8c36f0a06758ce6f1112deabda9d3bc27
[INFO] running `Command { std: "docker" "start" "-a" "ba686230d79eb15564b8a8fe7c2e18f8c36f0a06758ce6f1112deabda9d3bc27", kill_on_drop: false }`
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/analysis/trend.rs:39:11
[INFO] [stderr]    |
[INFO] [stderr] 39 |         None => try!(simple_moving_average(slice)),
[INFO] [stderr]    |                 ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/analysis/mod.rs:51:29
[INFO] [stderr]    |
[INFO] [stderr] 51 |     fn cause(&self) -> Option<&Error> {
[INFO] [stderr]    |                                ^^^^^ help: use `dyn`: `dyn Error`
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stderr]   --> src/analysis/mod.rs:35:31
[INFO] [stderr]    |
[INFO] [stderr] 35 |         write!(f, "error: {}", self.description())
[INFO] [stderr]    |                                     ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: floating-point types cannot be used in patterns
[INFO] [stderr]   --> src/analysis/momentum.rs:34:3
[INFO] [stderr]    |
[INFO] [stderr] 34 |         0. => 100.,
[INFO] [stderr]    |         ^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(illegal_floating_point_literal_pattern)]` on by default
[INFO] [stderr]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]    = note: for more information, see issue #41620 <https://github.com/rust-lang/rust/issues/41620>
[INFO] [stderr] 
[INFO] [stderr] warning: `libstat` (lib) generated 4 warnings
[INFO] [stderr] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stderr]    --> src/analysis/momentum.rs:173:24
[INFO] [stderr]     |
[INFO] [stderr] 173 |                     => assert_eq!(err.description(), exp.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/analysis/momentum.rs:173:43
[INFO] [stderr]     |
[INFO] [stderr] 173 |                     => assert_eq!(err.description(), exp.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/analysis/momentum.rs:214:24
[INFO] [stderr]     |
[INFO] [stderr] 214 |                     => assert_eq!(err.description(), exp.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/analysis/momentum.rs:214:43
[INFO] [stderr]     |
[INFO] [stderr] 214 |                     => assert_eq!(err.description(), exp.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/analysis/momentum.rs:255:24
[INFO] [stderr]     |
[INFO] [stderr] 255 |                     => assert_eq!(err.description(), exp.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/analysis/momentum.rs:255:43
[INFO] [stderr]     |
[INFO] [stderr] 255 |                     => assert_eq!(err.description(), exp.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/analysis/trend.rs:122:24
[INFO] [stderr]     |
[INFO] [stderr] 122 |                     => assert_eq!(err.description(), exp.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/analysis/trend.rs:122:43
[INFO] [stderr]     |
[INFO] [stderr] 122 |                     => assert_eq!(err.description(), exp.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/analysis/trend.rs:172:24
[INFO] [stderr]     |
[INFO] [stderr] 172 |                     => assert_eq!(err.description(), exp.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/analysis/trend.rs:172:43
[INFO] [stderr]     |
[INFO] [stderr] 172 |                     => assert_eq!(err.description(), exp.description()),
[INFO] [stderr]     |                                                          ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `libstat` (lib test) generated 14 warnings (4 duplicates)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/stat-97fc5ef7dce3806d)
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test analysis::momentum::tests::relative_strength_index ... ok
[INFO] [stdout] test analysis::momentum::tests::stochastic_oscillator ... ok
[INFO] [stdout] test analysis::trend::tests::simple_moving_average ... ok
[INFO] [stderr]    Doc-tests stat
[INFO] [stdout] test analysis::trend::tests::exponential_moving_average ... ok
[INFO] [stdout] test analysis::momentum::tests::williams_percent_r ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test src/analysis/trend.rs - analysis::trend::simple_moving_average (line 55) ... ok
[INFO] [stdout] test src/analysis/trend.rs - analysis::trend::exponential_moving_average (line 25) ... ok
[INFO] [stdout] test src/analysis/momentum.rs - analysis::momentum::williams_percent_r (line 108) ... ok
[INFO] [stdout] test src/analysis/momentum.rs - analysis::momentum::stochastic_oscillator (line 64) ... ok
[INFO] [stdout] test src/analysis/momentum.rs - analysis::momentum::relative_strength_index (line 20) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.97s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "ba686230d79eb15564b8a8fe7c2e18f8c36f0a06758ce6f1112deabda9d3bc27", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ba686230d79eb15564b8a8fe7c2e18f8c36f0a06758ce6f1112deabda9d3bc27", kill_on_drop: false }`
[INFO] [stdout] ba686230d79eb15564b8a8fe7c2e18f8c36f0a06758ce6f1112deabda9d3bc27
