[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] checking leshow/rust_mnemonic against master#03eb45452305f2d52348279d0caa5fc1f12c438d for pr-138176 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fleshow%2Frust_mnemonic" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'... 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"Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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@sha256:1680c8fbd8dfb46fcd6d22e546df16ab0e007457dc29fcd9e987cdd5077fd1af" "/opt/rustwide/cargo-home/bin/cargo" "+03eb45452305f2d52348279d0caa5fc1f12c438d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 6b3fcce6443f5bdc79b3416c4a86a66443e58ed77b67c93405a201d862894348 [INFO] running `Command { std: "docker" "start" "-a" "6b3fcce6443f5bdc79b3416c4a86a66443e58ed77b67c93405a201d862894348", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "6b3fcce6443f5bdc79b3416c4a86a66443e58ed77b67c93405a201d862894348", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6b3fcce6443f5bdc79b3416c4a86a66443e58ed77b67c93405a201d862894348", kill_on_drop: false }` [INFO] [stdout] 6b3fcce6443f5bdc79b3416c4a86a66443e58ed77b67c93405a201d862894348 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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@sha256:1680c8fbd8dfb46fcd6d22e546df16ab0e007457dc29fcd9e987cdd5077fd1af" "/opt/rustwide/cargo-home/bin/cargo" "+03eb45452305f2d52348279d0caa5fc1f12c438d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 9608fd621a1b792af011466104734b199514f41f24dbe3a34ccac50885607c23 [INFO] running `Command { std: "docker" "start" "-a" "9608fd621a1b792af011466104734b199514f41f24dbe3a34ccac50885607c23", kill_on_drop: false }` [INFO] [stderr] Checking rand_core v0.4.0 [INFO] [stderr] Compiling autocfg v0.1.2 [INFO] [stderr] Compiling libc v0.2.50 [INFO] [stderr] Compiling unicode-xid v0.1.0 [INFO] [stderr] Compiling cc v1.0.30 [INFO] [stderr] Checking serde v1.0.55 [INFO] [stderr] Checking dtoa v0.4.2 [INFO] [stderr] Checking untrusted v0.6.2 [INFO] [stderr] Checking itoa v0.4.1 [INFO] [stderr] Checking lazy_static v1.3.0 [INFO] [stderr] Checking spin v0.5.0 [INFO] [stderr] Checking getopts v0.2.17 [INFO] [stderr] Compiling proc-macro2 v0.3.8 [INFO] [stderr] Checking rand_core v0.3.1 [INFO] [stderr] Checking rand_jitter v0.1.3 [INFO] [stderr] Checking rand_hc v0.1.0 [INFO] [stderr] Checking rand_xorshift v0.1.1 [INFO] [stderr] Checking rand_isaac v0.1.1 [INFO] [stderr] Compiling rand_pcg v0.1.2 [INFO] [stderr] Compiling rand_chacha v0.1.1 [INFO] [stderr] Compiling rand v0.6.5 [INFO] [stderr] Compiling quote v0.5.2 [INFO] [stderr] Checking rand_os v0.1.3 [INFO] [stderr] Checking memchr v1.0.2 [INFO] [stderr] Compiling syn v0.13.10 [INFO] [stderr] Checking nom v3.2.1 [INFO] [stderr] Compiling ring v0.14.6 [INFO] [stderr] Compiling serde_derive v1.0.55 [INFO] [stderr] Checking serde_json v1.0.17 [INFO] [stderr] Checking rust_mnemonic v0.3.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: use of deprecated method `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 method `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: non-local `impl` definition, `impl` blocks should be written at the same level as their item [INFO] [stdout] --> src/mnemonic.rs:16:10 [INFO] [stdout] | [INFO] [stdout] 16 | #[derive(Serialize)] [INFO] [stdout] | -^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | `MnemonicResponse` is not local [INFO] [stdout] | `Serialize` is not local [INFO] [stdout] | move the `impl` block outside of this constant `_IMPL_SERIALIZE_FOR_MnemonicResponse` [INFO] [stdout] | [INFO] [stdout] = note: the derive macro `Serialize` defines the non-local `impl`, and may need to be changed [INFO] [stdout] = note: the derive macro `Serialize` may come from an old version of the `serde_derive` crate, try updating your dependency with `cargo update -p serde_derive` [INFO] [stdout] = note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl` [INFO] [stdout] = note: items in an anonymous const item (`const _: () = { ... }`) are treated as in the same scope as the anonymous const's declaration for the purpose of this lint [INFO] [stdout] = note: `#[warn(non_local_definitions)]` on by default [INFO] [stdout] = note: this warning originates in the derive macro `Serialize` (in Nightly builds, run with -Z macro-backtrace for more info) [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: this usage of `panic!()` is deprecated; it will be a hard error in Rust 2021 [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: `#[warn(non_fmt_panics)]` on by default [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] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated method `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 method `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: non-local `impl` definition, `impl` blocks should be written at the same level as their item [INFO] [stdout] --> src/mnemonic.rs:16:10 [INFO] [stdout] | [INFO] [stdout] 16 | #[derive(Serialize)] [INFO] [stdout] | -^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | `MnemonicResponse` is not local [INFO] [stdout] | `Serialize` is not local [INFO] [stdout] | move the `impl` block outside of this constant `_IMPL_SERIALIZE_FOR_MnemonicResponse` [INFO] [stdout] | [INFO] [stdout] = note: the derive macro `Serialize` defines the non-local `impl`, and may need to be changed [INFO] [stdout] = note: the derive macro `Serialize` may come from an old version of the `serde_derive` crate, try updating your dependency with `cargo update -p serde_derive` [INFO] [stdout] = note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl` [INFO] [stdout] = note: items in an anonymous const item (`const _: () = { ... }`) are treated as in the same scope as the anonymous const's declaration for the purpose of this lint [INFO] [stdout] = note: `#[warn(non_local_definitions)]` on by default [INFO] [stdout] = note: this warning originates in the derive macro `Serialize` (in Nightly builds, run with -Z macro-backtrace for more info) [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: this usage of `panic!()` is deprecated; it will be a hard error in Rust 2021 [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: `#[warn(non_fmt_panics)]` on by default [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] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated method `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 method `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 `PBKDF2_KEY_LEN` is never used [INFO] [stdout] --> src/mnemonic.rs:14:8 [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: struct `MnemonicResponse` is never constructed [INFO] [stdout] --> src/mnemonic.rs:17:8 [INFO] [stdout] | [INFO] [stdout] 17 | struct MnemonicResponse<'a> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `pbkdf2_rounds` is never read [INFO] [stdout] --> src/mnemonic.rs:23:9 [INFO] [stdout] | [INFO] [stdout] 21 | pub struct Mnemonic { [INFO] [stdout] | -------- field in this struct [INFO] [stdout] 22 | pub mnemonic: Vec, [INFO] [stdout] 23 | pub pbkdf2_rounds: NonZeroU32, [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: static `DIGEST_ALG` is never used [INFO] [stdout] --> src/mnemonic.rs:26:8 [INFO] [stdout] | [INFO] [stdout] 26 | static DIGEST_ALG: &digest::Algorithm = &digest::SHA512; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: methods `to_seed`, `salt`, and `to_json` are never used [INFO] [stdout] --> src/mnemonic.rs:40:12 [INFO] [stdout] | [INFO] [stdout] 28 | impl Mnemonic { [INFO] [stdout] | ------------- methods in this implementation [INFO] [stdout] ... [INFO] [stdout] 40 | pub fn to_seed(&self, mnemonic: M, seed_value: S) -> Vec [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 58 | fn salt>(&self, username: S) -> Vec { [INFO] [stdout] | ^^^^ [INFO] [stdout] ... [INFO] [stdout] 81 | pub fn to_json(&self, wordslist: &[String]) -> Result { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `seed` and `mode` are never read [INFO] [stdout] --> src/settings.rs:8:9 [INFO] [stdout] | [INFO] [stdout] 5 | pub struct RuntimeSettings { [INFO] [stdout] | --------------- fields in this struct [INFO] [stdout] ... [INFO] [stdout] 8 | pub seed: Option, [INFO] [stdout] | ^^^^ [INFO] [stdout] 9 | pub mode: Mode, [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant `Num` is never constructed [INFO] [stdout] --> src/settings.rs:14:5 [INFO] [stdout] | [INFO] [stdout] 12 | pub enum Mode { [INFO] [stdout] | ---- variant in this enum [INFO] [stdout] 13 | Default, [INFO] [stdout] 14 | Num(u8), [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item [INFO] [stdout] --> src/mnemonic.rs:16:10 [INFO] [stdout] | [INFO] [stdout] 16 | #[derive(Serialize)] [INFO] [stdout] | -^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | `MnemonicResponse` is not local [INFO] [stdout] | `Serialize` is not local [INFO] [stdout] | move the `impl` block outside of this constant `_IMPL_SERIALIZE_FOR_MnemonicResponse` [INFO] [stdout] | [INFO] [stdout] = note: the derive macro `Serialize` defines the non-local `impl`, and may need to be changed [INFO] [stdout] = note: the derive macro `Serialize` may come from an old version of the `serde_derive` crate, try updating your dependency with `cargo update -p serde_derive` [INFO] [stdout] = note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl` [INFO] [stdout] = note: items in an anonymous const item (`const _: () = { ... }`) are treated as in the same scope as the anonymous const's declaration for the purpose of this lint [INFO] [stdout] = note: `#[warn(non_local_definitions)]` on by default [INFO] [stdout] = note: this warning originates in the derive macro `Serialize` (in Nightly builds, run with -Z macro-backtrace for more info) [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: this usage of `panic!()` is deprecated; it will be a hard error in Rust 2021 [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: `#[warn(non_fmt_panics)]` on by default [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] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated method `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 method `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 `PBKDF2_KEY_LEN` is never used [INFO] [stdout] --> src/mnemonic.rs:14:8 [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: struct `MnemonicResponse` is never constructed [INFO] [stdout] --> src/mnemonic.rs:17:8 [INFO] [stdout] | [INFO] [stdout] 17 | struct MnemonicResponse<'a> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `pbkdf2_rounds` is never read [INFO] [stdout] --> src/mnemonic.rs:23:9 [INFO] [stdout] | [INFO] [stdout] 21 | pub struct Mnemonic { [INFO] [stdout] | -------- field in this struct [INFO] [stdout] 22 | pub mnemonic: Vec, [INFO] [stdout] 23 | pub pbkdf2_rounds: NonZeroU32, [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: static `DIGEST_ALG` is never used [INFO] [stdout] --> src/mnemonic.rs:26:8 [INFO] [stdout] | [INFO] [stdout] 26 | static DIGEST_ALG: &digest::Algorithm = &digest::SHA512; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: methods `to_seed`, `salt`, and `to_json` are never used [INFO] [stdout] --> src/mnemonic.rs:40:12 [INFO] [stdout] | [INFO] [stdout] 28 | impl Mnemonic { [INFO] [stdout] | ------------- methods in this implementation [INFO] [stdout] ... [INFO] [stdout] 40 | pub fn to_seed(&self, mnemonic: M, seed_value: S) -> Vec [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 58 | fn salt>(&self, username: S) -> Vec { [INFO] [stdout] | ^^^^ [INFO] [stdout] ... [INFO] [stdout] 81 | pub fn to_json(&self, wordslist: &[String]) -> Result { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `seed` and `mode` are never read [INFO] [stdout] --> src/settings.rs:8:9 [INFO] [stdout] | [INFO] [stdout] 5 | pub struct RuntimeSettings { [INFO] [stdout] | --------------- fields in this struct [INFO] [stdout] ... [INFO] [stdout] 8 | pub seed: Option, [INFO] [stdout] | ^^^^ [INFO] [stdout] 9 | pub mode: Mode, [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant `Num` is never constructed [INFO] [stdout] --> src/settings.rs:14:5 [INFO] [stdout] | [INFO] [stdout] 12 | pub enum Mode { [INFO] [stdout] | ---- variant in this enum [INFO] [stdout] 13 | Default, [INFO] [stdout] 14 | Num(u8), [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item [INFO] [stdout] --> src/mnemonic.rs:16:10 [INFO] [stdout] | [INFO] [stdout] 16 | #[derive(Serialize)] [INFO] [stdout] | -^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | `MnemonicResponse` is not local [INFO] [stdout] | `Serialize` is not local [INFO] [stdout] | move the `impl` block outside of this constant `_IMPL_SERIALIZE_FOR_MnemonicResponse` [INFO] [stdout] | [INFO] [stdout] = note: the derive macro `Serialize` defines the non-local `impl`, and may need to be changed [INFO] [stdout] = note: the derive macro `Serialize` may come from an old version of the `serde_derive` crate, try updating your dependency with `cargo update -p serde_derive` [INFO] [stdout] = note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl` [INFO] [stdout] = note: items in an anonymous const item (`const _: () = { ... }`) are treated as in the same scope as the anonymous const's declaration for the purpose of this lint [INFO] [stdout] = note: `#[warn(non_local_definitions)]` on by default [INFO] [stdout] = note: this warning originates in the derive macro `Serialize` (in Nightly builds, run with -Z macro-backtrace for more info) [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: this usage of `panic!()` is deprecated; it will be a hard error in Rust 2021 [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: `#[warn(non_fmt_panics)]` on by default [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] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 9.70s [INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: nom v3.2.1, syn v0.13.10 [INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1` [INFO] running `Command { std: "docker" "inspect" "9608fd621a1b792af011466104734b199514f41f24dbe3a34ccac50885607c23", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9608fd621a1b792af011466104734b199514f41f24dbe3a34ccac50885607c23", kill_on_drop: false }` [INFO] [stdout] 9608fd621a1b792af011466104734b199514f41f24dbe3a34ccac50885607c23