[INFO] cloning repository https://github.com/leshow/rust_mnemonic
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/leshow/rust_mnemonic" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fleshow%2Frust_mnemonic", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fleshow%2Frust_mnemonic'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 698ab998972f881f23b2fa9e45819e744c9869c6
[INFO] testing leshow/rust_mnemonic against beta-2021-01-01 for beta-1.50-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fleshow%2Frust_mnemonic" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/leshow/rust_mnemonic on toolchain beta-2021-01-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/leshow/rust_mnemonic
[INFO] finished tweaking git repo https://github.com/leshow/rust_mnemonic
[INFO] tweaked toml for git repo https://github.com/leshow/rust_mnemonic written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/leshow/rust_mnemonic already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded serde_derive v1.0.55
[INFO] [stderr]   Downloaded serde v1.0.55
[INFO] [stderr]   Downloaded syn v0.13.10
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f9627afc6a878c009ff21506c14c19f18a9c7cf1fea25cf1c92b604363a35819
[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" "f9627afc6a878c009ff21506c14c19f18a9c7cf1fea25cf1c92b604363a35819", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f9627afc6a878c009ff21506c14c19f18a9c7cf1fea25cf1c92b604363a35819", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f9627afc6a878c009ff21506c14c19f18a9c7cf1fea25cf1c92b604363a35819", kill_on_drop: false }`
[INFO] [stdout] f9627afc6a878c009ff21506c14c19f18a9c7cf1fea25cf1c92b604363a35819
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 05141123fe964b4f6bf6cc24da3efab7942539c3a297aea47c1535e54d29b358
[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" "05141123fe964b4f6bf6cc24da3efab7942539c3a297aea47c1535e54d29b358", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v0.1.2
[INFO] [stderr]    Compiling libc v0.2.50
[INFO] [stderr]    Compiling cc v1.0.30
[INFO] [stderr]    Compiling serde v1.0.55
[INFO] [stderr]    Compiling dtoa v0.4.2
[INFO] [stderr]    Compiling itoa v0.4.1
[INFO] [stderr]    Compiling getopts v0.2.17
[INFO] [stderr]    Compiling rand_jitter v0.1.3
[INFO] [stderr]    Compiling proc-macro2 v0.3.8
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling quote v0.5.2
[INFO] [stderr]    Compiling syn v0.13.10
[INFO] [stderr]    Compiling ring v0.14.6
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]    Compiling memchr v1.0.2
[INFO] [stderr]    Compiling nom v3.2.1
[INFO] [stderr]    Compiling serde_json v1.0.17
[INFO] [stderr]    Compiling serde_derive v1.0.55
[INFO] [stderr]    Compiling rust_mnemonic v0.3.0 (/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/mnemonic.rs:133:32
[INFO] [stdout]     |
[INFO] [stdout] 133 |             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/mnemonic.rs:134:35
[INFO] [stdout]     |
[INFO] [stdout] 134 |             Serde(ref err) => err.description(),
[INFO] [stdout]     |                                   ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 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/mnemonic.rs:133:32
[INFO] [stdout]     |
[INFO] [stdout] 133 |             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/mnemonic.rs:134:35
[INFO] [stdout]     |
[INFO] [stdout] 134 |             Serde(ref err) => err.description(),
[INFO] [stdout]     |                                   ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static is never used: `PBKDF2_KEY_LEN`
[INFO] [stdout]   --> src/mnemonic.rs:14:1
[INFO] [stdout]    |
[INFO] [stdout] 14 | static PBKDF2_KEY_LEN: usize = 64;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static is never used: `DIGEST_ALG`
[INFO] [stdout]   --> src/mnemonic.rs:26:1
[INFO] [stdout]    |
[INFO] [stdout] 26 | static DIGEST_ALG: &digest::Algorithm = &digest::SHA512;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `to_seed`
[INFO] [stdout]   --> src/mnemonic.rs:40:12
[INFO] [stdout]    |
[INFO] [stdout] 40 |     pub fn to_seed<S, M>(&self, mnemonic: M, seed_value: S) -> Vec<u8>
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `salt`
[INFO] [stdout]   --> src/mnemonic.rs:58:8
[INFO] [stdout]    |
[INFO] [stdout] 58 |     fn salt<S: AsRef<str>>(&self, username: S) -> Vec<u8> {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `to_json`
[INFO] [stdout]   --> src/mnemonic.rs:81:12
[INFO] [stdout]    |
[INFO] [stdout] 81 |     pub fn to_json(&self, wordslist: &[String]) -> Result<String, MnemonicError> {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Num`
[INFO] [stdout]   --> src/settings.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 |     Num(u8),
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 36.04s
[INFO] running `Command { std: "docker" "inspect" "05141123fe964b4f6bf6cc24da3efab7942539c3a297aea47c1535e54d29b358", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "05141123fe964b4f6bf6cc24da3efab7942539c3a297aea47c1535e54d29b358", kill_on_drop: false }`
[INFO] [stdout] 05141123fe964b4f6bf6cc24da3efab7942539c3a297aea47c1535e54d29b358
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d059f50ce0a63735a1bd0c60e1d27837526250f030ff4cc79c648791f903c6b5
[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" "d059f50ce0a63735a1bd0c60e1d27837526250f030ff4cc79c648791f903c6b5", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust_mnemonic v0.3.0 (/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/mnemonic.rs:133:32
[INFO] [stdout]     |
[INFO] [stdout] 133 |             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/mnemonic.rs:134:35
[INFO] [stdout]     |
[INFO] [stdout] 134 |             Serde(ref err) => err.description(),
[INFO] [stdout]     |                                   ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 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/mnemonic.rs:133:32
[INFO] [stdout]     |
[INFO] [stdout] 133 |             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/mnemonic.rs:134:35
[INFO] [stdout]     |
[INFO] [stdout] 134 |             Serde(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/mnemonic.rs:133:32
[INFO] [stdout]     |
[INFO] [stdout] 133 |             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/mnemonic.rs:134:35
[INFO] [stdout]     |
[INFO] [stdout] 134 |             Serde(ref err) => err.description(),
[INFO] [stdout]     |                                   ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static is never used: `PBKDF2_KEY_LEN`
[INFO] [stdout]   --> src/mnemonic.rs:14:1
[INFO] [stdout]    |
[INFO] [stdout] 14 | static PBKDF2_KEY_LEN: usize = 64;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static is never used: `DIGEST_ALG`
[INFO] [stdout]   --> src/mnemonic.rs:26:1
[INFO] [stdout]    |
[INFO] [stdout] 26 | static DIGEST_ALG: &digest::Algorithm = &digest::SHA512;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `to_seed`
[INFO] [stdout]   --> src/mnemonic.rs:40:12
[INFO] [stdout]    |
[INFO] [stdout] 40 |     pub fn to_seed<S, M>(&self, mnemonic: M, seed_value: S) -> Vec<u8>
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `salt`
[INFO] [stdout]   --> src/mnemonic.rs:58:8
[INFO] [stdout]    |
[INFO] [stdout] 58 |     fn salt<S: AsRef<str>>(&self, username: S) -> Vec<u8> {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `to_json`
[INFO] [stdout]   --> src/mnemonic.rs:81:12
[INFO] [stdout]    |
[INFO] [stdout] 81 |     pub fn to_json(&self, wordslist: &[String]) -> Result<String, MnemonicError> {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Num`
[INFO] [stdout]   --> src/settings.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 |     Num(u8),
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.20s
[INFO] running `Command { std: "docker" "inspect" "d059f50ce0a63735a1bd0c60e1d27837526250f030ff4cc79c648791f903c6b5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d059f50ce0a63735a1bd0c60e1d27837526250f030ff4cc79c648791f903c6b5", kill_on_drop: false }`
[INFO] [stdout] d059f50ce0a63735a1bd0c60e1d27837526250f030ff4cc79c648791f903c6b5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen", 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] 2ad4163eb7b506ed2e24a4683ccfcd76898cf295538c69c7712181771e434b59
[INFO] running `Command { std: "docker" "start" "-a" "2ad4163eb7b506ed2e24a4683ccfcd76898cf295538c69c7712181771e434b59", 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/mnemonic.rs:133:32
[INFO] [stderr]     |
[INFO] [stderr] 133 |             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/mnemonic.rs:134:35
[INFO] [stderr]     |
[INFO] [stderr] 134 |             Serde(ref err) => err.description(),
[INFO] [stderr]     |                                   ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 2 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/mnemonic.rs:133:32
[INFO] [stderr]     |
[INFO] [stderr] 133 |             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/mnemonic.rs:134:35
[INFO] [stderr]     |
[INFO] [stderr] 134 |             Serde(ref err) => err.description(),
[INFO] [stderr]     |                                   ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 2 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/mnemonic.rs:133:32
[INFO] [stderr]     |
[INFO] [stderr] 133 |             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/mnemonic.rs:134:35
[INFO] [stderr]     |
[INFO] [stderr] 134 |             Serde(ref err) => err.description(),
[INFO] [stderr]     |                                   ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: static is never used: `PBKDF2_KEY_LEN`
[INFO] [stderr]   --> src/mnemonic.rs:14:1
[INFO] [stderr]    |
[INFO] [stderr] 14 | static PBKDF2_KEY_LEN: usize = 64;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: static is never used: `DIGEST_ALG`
[INFO] [stderr]   --> src/mnemonic.rs:26:1
[INFO] [stderr]    |
[INFO] [stderr] 26 | static DIGEST_ALG: &digest::Algorithm = &digest::SHA512;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `to_seed`
[INFO] [stderr]   --> src/mnemonic.rs:40:12
[INFO] [stderr]    |
[INFO] [stderr] 40 |     pub fn to_seed<S, M>(&self, mnemonic: M, seed_value: S) -> Vec<u8>
[INFO] [stderr]    |            ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `salt`
[INFO] [stderr]   --> src/mnemonic.rs:58:8
[INFO] [stderr]    |
[INFO] [stderr] 58 |     fn salt<S: AsRef<str>>(&self, username: S) -> Vec<u8> {
[INFO] [stderr]    |        ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `to_json`
[INFO] [stderr]   --> src/mnemonic.rs:81:12
[INFO] [stderr]    |
[INFO] [stderr] 81 |     pub fn to_json(&self, wordslist: &[String]) -> Result<String, MnemonicError> {
[INFO] [stderr]    |            ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Num`
[INFO] [stderr]   --> src/settings.rs:14:5
[INFO] [stderr]    |
[INFO] [stderr] 14 |     Num(u8),
[INFO] [stderr]    |     ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 8 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/lib-a9d57127f8b513b8
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/rmnemonic-cecd89cb16abbe08
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests lib
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "2ad4163eb7b506ed2e24a4683ccfcd76898cf295538c69c7712181771e434b59", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2ad4163eb7b506ed2e24a4683ccfcd76898cf295538c69c7712181771e434b59", kill_on_drop: false }`
[INFO] [stdout] 2ad4163eb7b506ed2e24a4683ccfcd76898cf295538c69c7712181771e434b59