[INFO] cloning repository https://github.com/johnf9896/lox
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/johnf9896/lox" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjohnf9896%2Flox", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjohnf9896%2Flox'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] be1108060eb8c5ed940e566fabed1ea588cfe76f
[INFO] checking johnf9896/lox against eca445e5ae4a6679cc27d3a09106ce245e13a5a6 for pr-162478
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjohnf9896%2Flox" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/johnf9896/lox
[INFO] finished tweaking git repo https://github.com/johnf9896/lox
[INFO] tweaked toml for git repo https://github.com/johnf9896/lox written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/johnf9896/lox on toolchain eca445e5ae4a6679cc27d3a09106ce245e13a5a6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+eca445e5ae4a6679cc27d3a09106ce245e13a5a6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/johnf9896/lox 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" "+eca445e5ae4a6679cc27d3a09106ce245e13a5a6" "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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded rustyline v6.2.0
[INFO] [stderr]   Downloaded dirs-next v1.0.1
[INFO] [stderr]   Downloaded dirs-sys-next v0.1.0
[INFO] [stderr]   Downloaded unicode-segmentation v1.6.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:8683fc1fc2eb5c9ac98e0d076ab094b2ffac7f99da555d2b6a2e27f346de2ec7" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 7d134f6b4de2f168de45485978bc4e677b65fd38e9db53aae955638921b0debe
[INFO] running `Command { std: "docker" "start" "7d134f6b4de2f168de45485978bc4e677b65fd38e9db53aae955638921b0debe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7d134f6b4de2f168de45485978bc4e677b65fd38e9db53aae955638921b0debe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "7d134f6b4de2f168de45485978bc4e677b65fd38e9db53aae955638921b0debe" "/opt/rustwide/cargo-home/bin/cargo" "+eca445e5ae4a6679cc27d3a09106ce245e13a5a6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7d134f6b4de2f168de45485978bc4e677b65fd38e9db53aae955638921b0debe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "7d134f6b4de2f168de45485978bc4e677b65fd38e9db53aae955638921b0debe" "/opt/rustwide/cargo-home/bin/cargo" "+eca445e5ae4a6679cc27d3a09106ce245e13a5a6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.71
[INFO] [stderr]    Compiling proc-macro2 v1.0.18
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling syn v1.0.30
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]     Checking gimli v0.21.0
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling nix v0.17.0
[INFO] [stderr]     Checking object v0.19.0
[INFO] [stderr]     Checking rustc-demangle v0.1.16
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking unicode-segmentation v1.6.0
[INFO] [stderr]     Checking utf8parse v0.2.0
[INFO] [stderr]     Checking unicode-width v0.1.7
[INFO] [stderr]     Checking ansi_term v0.12.1
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]     Checking dirs-sys-next v0.1.0
[INFO] [stderr]     Checking dirs-next v1.0.1
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking addr2line v0.12.1
[INFO] [stderr]     Checking backtrace v0.3.48
[INFO] [stderr]     Checking uuid v0.8.1
[INFO] [stderr]    Compiling synstructure v0.12.4
[INFO] [stderr]     Checking rustyline v6.2.0
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]     Checking lox v0.5.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the feature `never_type` has been stable since 1.100.0-nightly and no longer requires an attribute to enable
[INFO] [stdout]  --> src/lib.rs:2:12
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(never_type)]
[INFO] [stdout]   |            ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::f64::EPSILON`: replaced by the `EPSILON` associated constant on `f64`
[INFO] [stdout]    --> src/eval.rs:724:23
[INFO] [stdout]     |
[INFO] [stdout] 724 |         use std::f64::EPSILON;
[INFO] [stdout]     |                       ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::f64::EPSILON`: replaced by the `EPSILON` associated constant on `f64`
[INFO] [stdout]    --> src/eval.rs:726:52
[INFO] [stdout]     |
[INFO] [stdout] 726 |         let eq = |l: f64, r: f64| (l - r).abs() <= EPSILON * 64.0;
[INFO] [stdout]     |                                                    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `never_type` has been stable since 1.100.0-nightly and no longer requires an attribute to enable
[INFO] [stdout]  --> src/lib.rs:2:12
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(never_type)]
[INFO] [stdout]   |            ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::f64::EPSILON`: replaced by the `EPSILON` associated constant on `f64`
[INFO] [stdout]    --> src/eval.rs:724:23
[INFO] [stdout]     |
[INFO] [stdout] 724 |         use std::f64::EPSILON;
[INFO] [stdout]     |                       ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::f64::EPSILON`: replaced by the `EPSILON` associated constant on `f64`
[INFO] [stdout]    --> src/eval.rs:726:52
[INFO] [stdout]     |
[INFO] [stdout] 726 |         let eq = |l: f64, r: f64| (l - r).abs() <= EPSILON * 64.0;
[INFO] [stdout]     |                                                    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/array.rs:39:17
[INFO] [stdout]    |
[INFO] [stdout] 39 |     pub fn iter(&self) -> Iter<Value> {
[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] 39 |     pub fn iter(&self) -> Iter<'_, Value> {
[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/eval.rs:48:28
[INFO] [stdout]    |
[INFO] [stdout] 48 | #[derive(Debug, PartialEq, 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_RuntimeError`
[INFO] [stdout] 49 | pub enum RuntimeError {
[INFO] [stdout]    |          ------------ `RuntimeError` 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/lexer.rs:99:28
[INFO] [stdout]     |
[INFO] [stdout]  99 | #[derive(Debug, PartialEq, 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_ScanningError`
[INFO] [stdout] 100 | pub enum ScanningError {
[INFO] [stdout]     |          ------------- `ScanningError` 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/parser.rs:18:28
[INFO] [stdout]    |
[INFO] [stdout] 18 | #[derive(Debug, PartialEq, 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_ParsingError`
[INFO] [stdout] 19 | pub enum ParsingError {
[INFO] [stdout]    |          ------------ `ParsingError` 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/parser.rs:87:13
[INFO] [stdout]    |
[INFO] [stdout] 87 |     fn peek(&self) -> &Token {
[INFO] [stdout]    |             ^^^^^     ^^^^^^
[INFO] [stdout]    |             |         ||
[INFO] [stdout]    |             |         |the same lifetime is hidden here
[INFO] [stdout]    |             |         the same lifetime is elided here
[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] 87 |     fn peek(&self) -> &Token<'_> {
[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/resolver.rs:46:28
[INFO] [stdout]    |
[INFO] [stdout] 46 | #[derive(Debug, PartialEq, 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_ResolutionError`
[INFO] [stdout] 47 | pub enum ResolutionError {
[INFO] [stdout]    |          --------------- `ResolutionError` 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/array.rs:39:17
[INFO] [stdout]    |
[INFO] [stdout] 39 |     pub fn iter(&self) -> Iter<Value> {
[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] 39 |     pub fn iter(&self) -> Iter<'_, Value> {
[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/eval.rs:48:28
[INFO] [stdout]    |
[INFO] [stdout] 48 | #[derive(Debug, PartialEq, 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_RuntimeError`
[INFO] [stdout] 49 | pub enum RuntimeError {
[INFO] [stdout]    |          ------------ `RuntimeError` 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/lexer.rs:99:28
[INFO] [stdout]     |
[INFO] [stdout]  99 | #[derive(Debug, PartialEq, 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_ScanningError`
[INFO] [stdout] 100 | pub enum ScanningError {
[INFO] [stdout]     |          ------------- `ScanningError` 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/parser.rs:18:28
[INFO] [stdout]    |
[INFO] [stdout] 18 | #[derive(Debug, PartialEq, 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_ParsingError`
[INFO] [stdout] 19 | pub enum ParsingError {
[INFO] [stdout]    |          ------------ `ParsingError` 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/parser.rs:87:13
[INFO] [stdout]    |
[INFO] [stdout] 87 |     fn peek(&self) -> &Token {
[INFO] [stdout]    |             ^^^^^     ^^^^^^
[INFO] [stdout]    |             |         ||
[INFO] [stdout]    |             |         |the same lifetime is hidden here
[INFO] [stdout]    |             |         the same lifetime is elided here
[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] 87 |     fn peek(&self) -> &Token<'_> {
[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/resolver.rs:46:28
[INFO] [stdout]    |
[INFO] [stdout] 46 | #[derive(Debug, PartialEq, 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_ResolutionError`
[INFO] [stdout] 47 | pub enum ResolutionError {
[INFO] [stdout]    |          --------------- `ResolutionError` 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] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 20.27s
[INFO] running `Command { std: "docker" "inspect" "7d134f6b4de2f168de45485978bc4e677b65fd38e9db53aae955638921b0debe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7d134f6b4de2f168de45485978bc4e677b65fd38e9db53aae955638921b0debe", kill_on_drop: false }`
[INFO] [stdout] 7d134f6b4de2f168de45485978bc4e677b65fd38e9db53aae955638921b0debe
