[INFO] fetching crate nsh 0.4.2... [INFO] checking nsh-0.4.2 against try#a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d for pr-145342-1 [INFO] extracting crate nsh 0.4.2 into /workspace/builds/worker-6-tc2/source [INFO] started tweaking crates.io crate nsh 0.4.2 [INFO] finished tweaking crates.io crate nsh 0.4.2 [INFO] tweaked toml for crates.io crate nsh 0.4.2 written to /workspace/builds/worker-6-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate nsh 0.4.2 on toolchain a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate crates.io crate nsh 0.4.2 already has a lockfile, it will not be regenerated [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] d17c584a4c2365167c87b1d66d0658be4937f61148c7c92930b0f25fb531ce24 [INFO] running `Command { std: "docker" "start" "-a" "d17c584a4c2365167c87b1d66d0658be4937f61148c7c92930b0f25fb531ce24", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "d17c584a4c2365167c87b1d66d0658be4937f61148c7c92930b0f25fb531ce24", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d17c584a4c2365167c87b1d66d0658be4937f61148c7c92930b0f25fb531ce24", kill_on_drop: false }` [INFO] [stdout] d17c584a4c2365167c87b1d66d0658be4937f61148c7c92930b0f25fb531ce24 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 31293448ccffeb74d107d9d56b5435d3a5d3f4e8cd47536fe8289061aa86f6a1 [INFO] running `Command { std: "docker" "start" "-a" "31293448ccffeb74d107d9d56b5435d3a5d3f4e8cd47536fe8289061aa86f6a1", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.98 [INFO] [stderr] Checking cfg-if v1.0.0 [INFO] [stderr] Compiling proc-macro2 v1.0.27 [INFO] [stderr] Compiling unicode-xid v0.2.2 [INFO] [stderr] Compiling syn v1.0.73 [INFO] [stderr] Compiling autocfg v1.0.1 [INFO] [stderr] Compiling version_check v0.9.3 [INFO] [stderr] Compiling log v0.4.14 [INFO] [stderr] Compiling bitflags v1.2.1 [INFO] [stderr] Compiling memchr v2.4.0 [INFO] [stderr] Compiling ppv-lite86 v0.2.10 [INFO] [stderr] Compiling ucd-trie v0.1.3 [INFO] [stderr] Compiling proc-macro-hack v0.5.19 [INFO] [stderr] Compiling cc v1.0.69 [INFO] [stderr] Compiling siphasher v0.3.5 [INFO] [stderr] Checking lazy_static v1.4.0 [INFO] [stderr] Checking instant v0.1.10 [INFO] [stderr] Compiling maplit v1.0.2 [INFO] [stderr] Compiling unicode-segmentation v1.8.0 [INFO] [stderr] Checking unicode-width v0.1.8 [INFO] [stderr] Checking scopeguard v1.1.0 [INFO] [stderr] Compiling phf_shared v0.9.0 [INFO] [stderr] Compiling failure_derive v0.1.8 [INFO] [stderr] Compiling pest v2.1.3 [INFO] [stderr] Checking adler v1.0.2 [INFO] [stderr] Checking smallvec v1.6.1 [INFO] [stderr] Checking gimli v0.24.0 [INFO] [stderr] Compiling miniz_oxide v0.4.4 [INFO] [stderr] Compiling memoffset v0.6.4 [INFO] [stderr] Compiling heck v0.3.3 [INFO] [stderr] Checking lock_api v0.4.4 [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Compiling proc-macro-error-attr v1.0.4 [INFO] [stderr] Compiling proc-macro-error v1.0.4 [INFO] [stderr] Checking strsim v0.8.0 [INFO] [stderr] Compiling quote v1.0.9 [INFO] [stderr] Checking ansi_term v0.11.0 [INFO] [stderr] Checking vec_map v0.8.2 [INFO] [stderr] Checking rustc-demangle v0.1.20 [INFO] [stderr] Checking object v0.25.3 [INFO] [stderr] Checking glob v0.3.0 [INFO] [stderr] Checking remove_dir_all v0.5.3 [INFO] [stderr] Checking diff v0.1.12 [INFO] [stderr] Checking ansi_term v0.12.1 [INFO] [stderr] Checking pretty_assertions v0.7.2 [INFO] [stderr] Compiling backtrace v0.3.60 [INFO] [stderr] Compiling pest_meta v2.1.3 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking signal-hook-registry v1.4.0 [INFO] [stderr] Checking getrandom v0.2.3 [INFO] [stderr] Checking parking_lot_core v0.8.3 [INFO] [stderr] Checking mio v0.7.13 [INFO] [stderr] Checking dirs v1.0.5 [INFO] [stderr] Checking nix v0.22.0 [INFO] [stderr] Checking clap v2.33.3 [INFO] [stderr] Checking colored v1.9.3 [INFO] [stderr] Checking signal-hook v0.2.3 [INFO] [stderr] Compiling rand_core v0.6.3 [INFO] [stderr] Checking parking_lot v0.11.1 [INFO] [stderr] Compiling rand_chacha v0.3.1 [INFO] [stderr] Checking signal-hook v0.1.17 [INFO] [stderr] Checking fern v0.6.0 [INFO] [stderr] Checking crossterm v0.18.2 [INFO] [stderr] Checking rand v0.8.4 [INFO] [stderr] Checking addr2line v0.15.2 [INFO] [stderr] Checking tempfile v3.2.0 [INFO] [stderr] Compiling phf_generator v0.9.0 [INFO] [stderr] Compiling synstructure v0.12.5 [INFO] [stderr] Compiling pest_generator v2.1.3 [INFO] [stderr] Compiling phf_macros v0.9.0 [INFO] [stderr] Compiling structopt-derive v0.4.15 [INFO] [stderr] Compiling pest_derive v2.1.0 [INFO] [stderr] Checking failure v0.1.8 [INFO] [stderr] Checking phf v0.9.0 [INFO] [stderr] Checking structopt v0.3.22 [INFO] [stderr] Checking nsh v0.4.2 (/opt/rustwide/workdir) [INFO] [stdout] warning: field `login` is never read [INFO] [stdout] --> src/main.rs:153:5 [INFO] [stdout] | [INFO] [stdout] 144 | struct Opt { [INFO] [stdout] | --- field in this struct [INFO] [stdout] ... [INFO] [stdout] 153 | login: bool, [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Opt` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [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/builtins/mod.rs:34:17 [INFO] [stdout] | [INFO] [stdout] 34 | #[derive(Debug, Fail)] [INFO] [stdout] | ^--- [INFO] [stdout] | | [INFO] [stdout] | `Fail` is not local [INFO] [stdout] | move the `impl` block outside of this constant `_DERIVE_failure_Fail_FOR_InternalCommandError` [INFO] [stdout] 35 | pub enum InternalCommandError { [INFO] [stdout] | -------------------- `InternalCommandError` is not local [INFO] [stdout] | [INFO] [stdout] = note: the derive macro `Fail` defines the non-local `impl`, and may need to be changed [INFO] [stdout] = note: the derive macro `Fail` may come from an old version of the `failure_derive` crate, try updating your dependency with `cargo update -p failure_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 `Fail` (in Nightly builds, run with -Z macro-backtrace for more info) [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/builtins/mod.rs:34:17 [INFO] [stdout] | [INFO] [stdout] 34 | #[derive(Debug, Fail)] [INFO] [stdout] | ^--- [INFO] [stdout] | | [INFO] [stdout] | `Display` is not local [INFO] [stdout] | move the `impl` block outside of this constant `_DERIVE_failure_core_fmt_Display_FOR_InternalCommandError` [INFO] [stdout] 35 | pub enum InternalCommandError { [INFO] [stdout] | -------------------- `InternalCommandError` is not local [INFO] [stdout] | [INFO] [stdout] = note: the derive macro `Fail` defines the non-local `impl`, and may need to be changed [INFO] [stdout] = note: the derive macro `Fail` may come from an old version of the `failure_derive` crate, try updating your dependency with `cargo update -p failure_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: this warning originates in the derive macro `Fail` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/fuzzy.rs:37:17 [INFO] [stdout] | [INFO] [stdout] 37 | pub fn iter(&self) -> std::slice::Iter<(Option, String)> { [INFO] [stdout] | ^^^^^ ---------------------------------------------- the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 37 | pub fn iter(&self) -> std::slice::Iter<'_, (Option, String)> { [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/pattern.rs:4:17 [INFO] [stdout] | [INFO] [stdout] 4 | #[derive(Debug, Fail)] [INFO] [stdout] | ^--- [INFO] [stdout] | | [INFO] [stdout] | `Fail` is not local [INFO] [stdout] | move the `impl` block outside of this constant `_DERIVE_failure_Fail_FOR_NoMatchesError` [INFO] [stdout] 5 | #[fail(display = "no matches")] [INFO] [stdout] 6 | pub struct NoMatchesError; [INFO] [stdout] | -------------- `NoMatchesError` is not local [INFO] [stdout] | [INFO] [stdout] = note: the derive macro `Fail` defines the non-local `impl`, and may need to be changed [INFO] [stdout] = note: the derive macro `Fail` may come from an old version of the `failure_derive` crate, try updating your dependency with `cargo update -p failure_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: this warning originates in the derive macro `Fail` (in Nightly builds, run with -Z macro-backtrace for more info) [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/pattern.rs:4:17 [INFO] [stdout] | [INFO] [stdout] 4 | #[derive(Debug, Fail)] [INFO] [stdout] | ^--- [INFO] [stdout] | | [INFO] [stdout] | `Display` is not local [INFO] [stdout] | move the `impl` block outside of this constant `_DERIVE_failure_core_fmt_Display_FOR_NoMatchesError` [INFO] [stdout] 5 | #[fail(display = "no matches")] [INFO] [stdout] 6 | pub struct NoMatchesError; [INFO] [stdout] | -------------- `NoMatchesError` is not local [INFO] [stdout] | [INFO] [stdout] = note: the derive macro `Fail` defines the non-local `impl`, and may need to be changed [INFO] [stdout] = note: the derive macro `Fail` may come from an old version of the `failure_derive` crate, try updating your dependency with `cargo update -p failure_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: this warning originates in the derive macro `Fail` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/shell.rs:227:27 [INFO] [stdout] | [INFO] [stdout] 227 | pub fn exported_names(&self) -> std::collections::hash_set::Iter { [INFO] [stdout] | ^^^^^ ---------------------------------------- the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 227 | pub fn exported_names(&self) -> std::collections::hash_set::Iter<'_, String> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/shell.rs:231:20 [INFO] [stdout] | [INFO] [stdout] 231 | pub fn aliases(&self) -> std::collections::hash_map::Iter { [INFO] [stdout] | ^^^^^ ------------------------------------------------ the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 231 | pub fn aliases(&self) -> std::collections::hash_map::Iter<'_, String, String> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `login` is never read [INFO] [stdout] --> src/main.rs:153:5 [INFO] [stdout] | [INFO] [stdout] 144 | struct Opt { [INFO] [stdout] | --- field in this struct [INFO] [stdout] ... [INFO] [stdout] 153 | login: bool, [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Opt` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [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/builtins/mod.rs:34:17 [INFO] [stdout] | [INFO] [stdout] 34 | #[derive(Debug, Fail)] [INFO] [stdout] | ^--- [INFO] [stdout] | | [INFO] [stdout] | `Fail` is not local [INFO] [stdout] | move the `impl` block outside of this constant `_DERIVE_failure_Fail_FOR_InternalCommandError` [INFO] [stdout] 35 | pub enum InternalCommandError { [INFO] [stdout] | -------------------- `InternalCommandError` is not local [INFO] [stdout] | [INFO] [stdout] = note: the derive macro `Fail` defines the non-local `impl`, and may need to be changed [INFO] [stdout] = note: the derive macro `Fail` may come from an old version of the `failure_derive` crate, try updating your dependency with `cargo update -p failure_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 `Fail` (in Nightly builds, run with -Z macro-backtrace for more info) [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/builtins/mod.rs:34:17 [INFO] [stdout] | [INFO] [stdout] 34 | #[derive(Debug, Fail)] [INFO] [stdout] | ^--- [INFO] [stdout] | | [INFO] [stdout] | `Display` is not local [INFO] [stdout] | move the `impl` block outside of this constant `_DERIVE_failure_core_fmt_Display_FOR_InternalCommandError` [INFO] [stdout] 35 | pub enum InternalCommandError { [INFO] [stdout] | -------------------- `InternalCommandError` is not local [INFO] [stdout] | [INFO] [stdout] = note: the derive macro `Fail` defines the non-local `impl`, and may need to be changed [INFO] [stdout] = note: the derive macro `Fail` may come from an old version of the `failure_derive` crate, try updating your dependency with `cargo update -p failure_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: this warning originates in the derive macro `Fail` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/fuzzy.rs:37:17 [INFO] [stdout] | [INFO] [stdout] 37 | pub fn iter(&self) -> std::slice::Iter<(Option, String)> { [INFO] [stdout] | ^^^^^ ---------------------------------------------- the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 37 | pub fn iter(&self) -> std::slice::Iter<'_, (Option, String)> { [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/pattern.rs:4:17 [INFO] [stdout] | [INFO] [stdout] 4 | #[derive(Debug, Fail)] [INFO] [stdout] | ^--- [INFO] [stdout] | | [INFO] [stdout] | `Fail` is not local [INFO] [stdout] | move the `impl` block outside of this constant `_DERIVE_failure_Fail_FOR_NoMatchesError` [INFO] [stdout] 5 | #[fail(display = "no matches")] [INFO] [stdout] 6 | pub struct NoMatchesError; [INFO] [stdout] | -------------- `NoMatchesError` is not local [INFO] [stdout] | [INFO] [stdout] = note: the derive macro `Fail` defines the non-local `impl`, and may need to be changed [INFO] [stdout] = note: the derive macro `Fail` may come from an old version of the `failure_derive` crate, try updating your dependency with `cargo update -p failure_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: this warning originates in the derive macro `Fail` (in Nightly builds, run with -Z macro-backtrace for more info) [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/pattern.rs:4:17 [INFO] [stdout] | [INFO] [stdout] 4 | #[derive(Debug, Fail)] [INFO] [stdout] | ^--- [INFO] [stdout] | | [INFO] [stdout] | `Display` is not local [INFO] [stdout] | move the `impl` block outside of this constant `_DERIVE_failure_core_fmt_Display_FOR_NoMatchesError` [INFO] [stdout] 5 | #[fail(display = "no matches")] [INFO] [stdout] 6 | pub struct NoMatchesError; [INFO] [stdout] | -------------- `NoMatchesError` is not local [INFO] [stdout] | [INFO] [stdout] = note: the derive macro `Fail` defines the non-local `impl`, and may need to be changed [INFO] [stdout] = note: the derive macro `Fail` may come from an old version of the `failure_derive` crate, try updating your dependency with `cargo update -p failure_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: this warning originates in the derive macro `Fail` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/shell.rs:227:27 [INFO] [stdout] | [INFO] [stdout] 227 | pub fn exported_names(&self) -> std::collections::hash_set::Iter { [INFO] [stdout] | ^^^^^ ---------------------------------------- the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 227 | pub fn exported_names(&self) -> std::collections::hash_set::Iter<'_, String> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/shell.rs:231:20 [INFO] [stdout] | [INFO] [stdout] 231 | pub fn aliases(&self) -> std::collections::hash_map::Iter { [INFO] [stdout] | ^^^^^ ------------------------------------------------ the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 231 | pub fn aliases(&self) -> std::collections::hash_map::Iter<'_, String, String> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 20.89s [INFO] running `Command { std: "docker" "inspect" "31293448ccffeb74d107d9d56b5435d3a5d3f4e8cd47536fe8289061aa86f6a1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "31293448ccffeb74d107d9d56b5435d3a5d3f4e8cd47536fe8289061aa86f6a1", kill_on_drop: false }` [INFO] [stdout] 31293448ccffeb74d107d9d56b5435d3a5d3f4e8cd47536fe8289061aa86f6a1