[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 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fleshow%2Frust_mnemonic" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/leshow/rust_mnemonic on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", 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-2/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" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ef51f553b6c0336641a69c25adf6ea8c990f3b121937f29e09f6c63880bdcd65
[INFO] running `Command { std: "docker" "start" "-a" "ef51f553b6c0336641a69c25adf6ea8c990f3b121937f29e09f6c63880bdcd65", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ef51f553b6c0336641a69c25adf6ea8c990f3b121937f29e09f6c63880bdcd65", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ef51f553b6c0336641a69c25adf6ea8c990f3b121937f29e09f6c63880bdcd65", kill_on_drop: false }`
[INFO] [stdout] ef51f553b6c0336641a69c25adf6ea8c990f3b121937f29e09f6c63880bdcd65
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 761857f7466bf8c578e1915818013f5a8835890dee2b4f50b6cac313cf936ead
[INFO] running `Command { std: "docker" "start" "-a" "761857f7466bf8c578e1915818013f5a8835890dee2b4f50b6cac313cf936ead", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling cc v1.0.30
[INFO] [stderr]    Compiling itoa v0.4.1
[INFO] [stderr]    Compiling dtoa v0.4.2
[INFO] [stderr]    Compiling spin v0.5.0
[INFO] [stderr]    Compiling serde v1.0.55
[INFO] [stderr]    Compiling getopts v0.2.17
[INFO] [stderr]    Compiling proc-macro2 v0.3.8
[INFO] [stderr]    Compiling memchr v1.0.2
[INFO] [stderr]    Compiling nom v3.2.1
[INFO] [stderr]    Compiling quote v0.5.2
[INFO] [stderr]    Compiling syn v0.13.10
[INFO] [stderr]    Compiling ring v0.14.6
[INFO] [stderr]    Compiling serde_derive v1.0.55
[INFO] [stderr]    Compiling serde_json v1.0.17
[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: panic message is not a string literal
[INFO] [stdout]   --> src/settings.rs:27:30
[INFO] [stdout]    |
[INFO] [stdout] 27 |             Err(f) => panic!(f.to_string()),
[INFO] [stdout]    |                              ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_fmt_panics)]` on by default
[INFO] [stdout]    = note: this usage of panic!() is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout] help: add a "{}" format string to Display the message
[INFO] [stdout]    |
[INFO] [stdout] 27 |             Err(f) => panic!("{}", f.to_string()),
[INFO] [stdout]    |                              ^^^^^
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]    |
[INFO] [stdout] 27 |             Err(f) => std::panic::panic_any(f.to_string()),
[INFO] [stdout]    |                       ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 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: panic message is not a string literal
[INFO] [stdout]   --> src/settings.rs:27:30
[INFO] [stdout]    |
[INFO] [stdout] 27 |             Err(f) => panic!(f.to_string()),
[INFO] [stdout]    |                              ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_fmt_panics)]` on by default
[INFO] [stdout]    = note: this usage of panic!() is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout] help: add a "{}" format string to Display the message
[INFO] [stdout]    |
[INFO] [stdout] 27 |             Err(f) => panic!("{}", f.to_string()),
[INFO] [stdout]    |                              ^^^^^
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]    |
[INFO] [stdout] 27 |             Err(f) => std::panic::panic_any(f.to_string()),
[INFO] [stdout]    |                       ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 9 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 31s
[INFO] running `Command { std: "docker" "inspect" "761857f7466bf8c578e1915818013f5a8835890dee2b4f50b6cac313cf936ead", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "761857f7466bf8c578e1915818013f5a8835890dee2b4f50b6cac313cf936ead", kill_on_drop: false }`
[INFO] [stdout] 761857f7466bf8c578e1915818013f5a8835890dee2b4f50b6cac313cf936ead
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a28b34d45628bbc4942086794229665bb066b8a84b192ab433c18db742778277
[INFO] running `Command { std: "docker" "start" "-a" "a28b34d45628bbc4942086794229665bb066b8a84b192ab433c18db742778277", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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: panic message is not a string literal
[INFO] [stdout]   --> src/settings.rs:27:30
[INFO] [stdout]    |
[INFO] [stdout] 27 |             Err(f) => panic!(f.to_string()),
[INFO] [stdout]    |                              ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_fmt_panics)]` on by default
[INFO] [stdout]    = note: this usage of panic!() is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout] help: add a "{}" format string to Display the message
[INFO] [stdout]    |
[INFO] [stdout] 27 |             Err(f) => panic!("{}", f.to_string()),
[INFO] [stdout]    |                              ^^^^^
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]    |
[INFO] [stdout] 27 |             Err(f) => std::panic::panic_any(f.to_string()),
[INFO] [stdout]    |                       ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[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: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: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: panic message is not a string literal
[INFO] [stdout]   --> src/settings.rs:27:30
[INFO] [stdout]    |
[INFO] [stdout] 27 |             Err(f) => panic!(f.to_string()),
[INFO] [stdout]    |                              ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_fmt_panics)]` on by default
[INFO] [stdout]    = note: this usage of panic!() is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout] help: add a "{}" format string to Display the message
[INFO] [stdout]    |
[INFO] [stdout] 27 |             Err(f) => panic!("{}", f.to_string()),
[INFO] [stdout]    |                              ^^^^^
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]    |
[INFO] [stdout] 27 |             Err(f) => std::panic::panic_any(f.to_string()),
[INFO] [stdout]    |                       ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]   --> src/settings.rs:27:30
[INFO] [stdout]    |
[INFO] [stdout] 27 |             Err(f) => panic!(f.to_string()),
[INFO] [stdout]    |                              ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_fmt_panics)]` on by default
[INFO] [stdout]    = note: this usage of panic!() is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout] help: add a "{}" format string to Display the message
[INFO] [stdout]    |
[INFO] [stdout] 27 |             Err(f) => panic!("{}", f.to_string()),
[INFO] [stdout]    |                              ^^^^^
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]    |
[INFO] [stdout] 27 |             Err(f) => std::panic::panic_any(f.to_string()),
[INFO] [stdout]    |                       ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 9 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 34.16s
[INFO] running `Command { std: "docker" "inspect" "a28b34d45628bbc4942086794229665bb066b8a84b192ab433c18db742778277", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a28b34d45628bbc4942086794229665bb066b8a84b192ab433c18db742778277", kill_on_drop: false }`
[INFO] [stdout] a28b34d45628bbc4942086794229665bb066b8a84b192ab433c18db742778277
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 66eb00829696108b770dee115f74ef3294a542231156f8157d330e4a370f685e
[INFO] running `Command { std: "docker" "start" "-a" "66eb00829696108b770dee115f74ef3294a542231156f8157d330e4a370f685e", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stderr]    --> src/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: panic message is not a string literal
[INFO] [stderr]   --> src/settings.rs:27:30
[INFO] [stderr]    |
[INFO] [stderr] 27 |             Err(f) => panic!(f.to_string()),
[INFO] [stderr]    |                              ^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(non_fmt_panics)]` on by default
[INFO] [stderr]    = note: this usage of panic!() is deprecated; it will be a hard error in Rust 2021
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stderr] help: add a "{}" format string to Display the message
[INFO] [stderr]    |
[INFO] [stderr] 27 |             Err(f) => panic!("{}", f.to_string()),
[INFO] [stderr]    |                              ^^^^^
[INFO] [stderr] help: or use std::panic::panic_any instead
[INFO] [stderr]    |
[INFO] [stderr] 27 |             Err(f) => std::panic::panic_any(f.to_string()),
[INFO] [stderr]    |                       ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `rust_mnemonic` (lib) generated 3 warnings
[INFO] [stderr] warning: `rust_mnemonic` (lib test) generated 3 warnings (3 duplicates)
[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: `rust_mnemonic` (bin "rmnemonic" test) generated 9 warnings (3 duplicates)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.93s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/lib-fe6444e7589c6758)
[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 unittests (/opt/rustwide/target/debug/deps/rmnemonic-8258888f4359af7e)
[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" "66eb00829696108b770dee115f74ef3294a542231156f8157d330e4a370f685e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "66eb00829696108b770dee115f74ef3294a542231156f8157d330e4a370f685e", kill_on_drop: false }`
[INFO] [stdout] 66eb00829696108b770dee115f74ef3294a542231156f8157d330e4a370f685e