[INFO] cloning repository https://github.com/psatomas/lifetimes
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/psatomas/lifetimes" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpsatomas%2Flifetimes", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpsatomas%2Flifetimes'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 547088806310e6b4009f51cd8fbebaf2636cd879
[INFO] checking psatomas/lifetimes against 79c0559184f27f4433a6fbc260b950d06d4a4889 for pr-162233-crater-rollup
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpsatomas%2Flifetimes" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/psatomas/lifetimes
[INFO] finished tweaking git repo https://github.com/psatomas/lifetimes
[INFO] tweaked toml for git repo https://github.com/psatomas/lifetimes written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/psatomas/lifetimes on toolchain 79c0559184f27f4433a6fbc260b950d06d4a4889
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+79c0559184f27f4433a6fbc260b950d06d4a4889" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/psatomas/lifetimes 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" "+79c0559184f27f4433a6fbc260b950d06d4a4889" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: binary `coding_challenge` should have a kebab-case name
[INFO] [stderr]   |
[INFO] [stderr] 1 | /workspace/builds/worker-1-tc2/source/target/.../coding_challenge
[INFO] [stderr]   |                                                  ^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `cargo::non_kebab_case_bins` is set to `warn` by default
[INFO] [stderr] help: to change the binary name to `coding-challenge`, convert the file stem
[INFO] [stderr]   |
[INFO] [stderr] 1 - src/bin/coding_challenge.rs
[INFO] [stderr] 1 + src/bin/coding-challenge.rs
[INFO] [stderr]   |
[INFO] [stderr] warning: binary `concrete_lifetimes_for_references` should have a kebab-case name
[INFO] [stderr]   |
[INFO] [stderr] 1 | /workspace/builds/worker-1-tc2/source/target/.../concrete_lifetimes_for_references
[INFO] [stderr]   |                                                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr] help: to change the binary name to `concrete-lifetimes-for-references`, convert the file stem
[INFO] [stderr]   |
[INFO] [stderr] 1 - src/bin/concrete_lifetimes_for_references.rs
[INFO] [stderr] 1 + src/bin/concrete-lifetimes-for-references.rs
[INFO] [stderr]   |
[INFO] [stderr] warning: binary `concrete_lifetimes_for_values_i` should have a kebab-case name
[INFO] [stderr]   |
[INFO] [stderr] 1 | /workspace/builds/worker-1-tc2/source/target/.../concrete_lifetimes_for_values_i
[INFO] [stderr]   |                                                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr] help: to change the binary name to `concrete-lifetimes-for-values-i`, convert the file stem
[INFO] [stderr]   |
[INFO] [stderr] 1 - src/bin/concrete_lifetimes_for_values_i.rs
[INFO] [stderr] 1 + src/bin/concrete-lifetimes-for-values-i.rs
[INFO] [stderr]   |
[INFO] [stderr] warning: binary `concrete_lifetimes_for_values_ii` should have a kebab-case name
[INFO] [stderr]   |
[INFO] [stderr] 1 | /workspace/builds/worker-1-tc2/source/target/.../concrete_lifetimes_for_values_ii
[INFO] [stderr]   |                                                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr] help: to change the binary name to `concrete-lifetimes-for-values-ii`, convert the file stem
[INFO] [stderr]   |
[INFO] [stderr] 1 - src/bin/concrete_lifetimes_for_values_ii.rs
[INFO] [stderr] 1 + src/bin/concrete-lifetimes-for-values-ii.rs
[INFO] [stderr]   |
[INFO] [stderr] warning: binary `functions_cannot_return_references_to_owned_values_or_parameters` should have a kebab-case name
[INFO] [stderr]   |
[INFO] [stderr] 1 | /workspace/builds/worker-1-tc2/source/target/.../functions_cannot_return_references_to_owned_values_or_parameters
[INFO] [stderr]   |                                                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr] help: to change the binary name to `functions-cannot-return-references-to-owned-values-or-parameters`, convert the file stem
[INFO] [stderr]   |
[INFO] [stderr] 1 - src/bin/functions_cannot_return_references_to_owned_values_or_parameters.rs
[INFO] [stderr] 1 + src/bin/functions-cannot-return-references-to-owned-values-or-parameters.rs
[INFO] [stderr]   |
[INFO] [stderr] warning: binary `intro_to_generic_lifetimes` should have a kebab-case name
[INFO] [stderr]   |
[INFO] [stderr] 1 | /workspace/builds/worker-1-tc2/source/target/.../intro_to_generic_lifetimes
[INFO] [stderr]   |                                                  ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr] help: to change the binary name to `intro-to-generic-lifetimes`, convert the file stem
[INFO] [stderr]   |
[INFO] [stderr] 1 - src/bin/intro_to_generic_lifetimes.rs
[INFO] [stderr] 1 + src/bin/intro-to-generic-lifetimes.rs
[INFO] [stderr]   |
[INFO] [stderr] warning: binary `invalid_lifetimes_i` should have a kebab-case name
[INFO] [stderr]   |
[INFO] [stderr] 1 | /workspace/builds/worker-1-tc2/source/target/.../invalid_lifetimes_i
[INFO] [stderr]   |                                                  ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr] help: to change the binary name to `invalid-lifetimes-i`, convert the file stem
[INFO] [stderr]   |
[INFO] [stderr] 1 - src/bin/invalid_lifetimes_i.rs
[INFO] [stderr] 1 + src/bin/invalid-lifetimes-i.rs
[INFO] [stderr]   |
[INFO] [stderr] warning: binary `invalid_lifetimes_ii` should have a kebab-case name
[INFO] [stderr]   |
[INFO] [stderr] 1 | /workspace/builds/worker-1-tc2/source/target/.../invalid_lifetimes_ii
[INFO] [stderr]   |                                                  ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr] help: to change the binary name to `invalid-lifetimes-ii`, convert the file stem
[INFO] [stderr]   |
[INFO] [stderr] 1 - src/bin/invalid_lifetimes_ii.rs
[INFO] [stderr] 1 + src/bin/invalid-lifetimes-ii.rs
[INFO] [stderr]   |
[INFO] [stderr] warning: binary `lifetime_elision_rules_i` should have a kebab-case name
[INFO] [stderr]   |
[INFO] [stderr] 1 | /workspace/builds/worker-1-tc2/source/target/.../lifetime_elision_rules_i
[INFO] [stderr]   |                                                  ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr] help: to change the binary name to `lifetime-elision-rules-i`, convert the file stem
[INFO] [stderr]   |
[INFO] [stderr] 1 - src/bin/lifetime_elision_rules_i.rs
[INFO] [stderr] 1 + src/bin/lifetime-elision-rules-i.rs
[INFO] [stderr]   |
[INFO] [stderr] warning: binary `lifetime_elision_rules_ii` should have a kebab-case name
[INFO] [stderr]   |
[INFO] [stderr] 1 | /workspace/builds/worker-1-tc2/source/target/.../lifetime_elision_rules_ii
[INFO] [stderr]   |                                                  ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr] help: to change the binary name to `lifetime-elision-rules-ii`, convert the file stem
[INFO] [stderr]   |
[INFO] [stderr] 1 - src/bin/lifetime_elision_rules_ii.rs
[INFO] [stderr] 1 + src/bin/lifetime-elision-rules-ii.rs
[INFO] [stderr]   |
[INFO] [stderr] warning: binary `lifetimes_and_references` should have a kebab-case name
[INFO] [stderr]   |
[INFO] [stderr] 1 | /workspace/builds/worker-1-tc2/source/target/.../lifetimes_and_references
[INFO] [stderr]   |                                                  ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr] help: to change the binary name to `lifetimes-and-references`, convert the file stem
[INFO] [stderr]   |
[INFO] [stderr] 1 - src/bin/lifetimes_and_references.rs
[INFO] [stderr] 1 + src/bin/lifetimes-and-references.rs
[INFO] [stderr]   |
[INFO] [stderr] warning: binary `lifetimes_in_struct` should have a kebab-case name
[INFO] [stderr]   |
[INFO] [stderr] 1 | /workspace/builds/worker-1-tc2/source/target/.../lifetimes_in_struct
[INFO] [stderr]   |                                                  ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr] help: to change the binary name to `lifetimes-in-struct`, convert the file stem
[INFO] [stderr]   |
[INFO] [stderr] 1 - src/bin/lifetimes_in_struct.rs
[INFO] [stderr] 1 + src/bin/lifetimes-in-struct.rs
[INFO] [stderr]   |
[INFO] [stderr] warning: binary `multiple_lifetimes` should have a kebab-case name
[INFO] [stderr]   |
[INFO] [stderr] 1 | /workspace/builds/worker-1-tc2/source/target/.../multiple_lifetimes
[INFO] [stderr]   |                                                  ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr] help: to change the binary name to `multiple-lifetimes`, convert the file stem
[INFO] [stderr]   |
[INFO] [stderr] 1 - src/bin/multiple_lifetimes.rs
[INFO] [stderr] 1 + src/bin/multiple-lifetimes.rs
[INFO] [stderr]   |
[INFO] [stderr] warning: binary `multiple_parameters_i` should have a kebab-case name
[INFO] [stderr]   |
[INFO] [stderr] 1 | /workspace/builds/worker-1-tc2/source/target/.../multiple_parameters_i
[INFO] [stderr]   |                                                  ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr] help: to change the binary name to `multiple-parameters-i`, convert the file stem
[INFO] [stderr]   |
[INFO] [stderr] 1 - src/bin/multiple_parameters_i.rs
[INFO] [stderr] 1 + src/bin/multiple-parameters-i.rs
[INFO] [stderr]   |
[INFO] [stderr] warning: binary `multiple_parameters_ii` should have a kebab-case name
[INFO] [stderr]   |
[INFO] [stderr] 1 | /workspace/builds/worker-1-tc2/source/target/.../multiple_parameters_ii
[INFO] [stderr]   |                                                  ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr] help: to change the binary name to `multiple-parameters-ii`, convert the file stem
[INFO] [stderr]   |
[INFO] [stderr] 1 - src/bin/multiple_parameters_ii.rs
[INFO] [stderr] 1 + src/bin/multiple-parameters-ii.rs
[INFO] [stderr]   |
[INFO] [stderr] warning: binary `non-lexical_lifetimes` should have a kebab-case name
[INFO] [stderr]   |
[INFO] [stderr] 1 | /workspace/builds/worker-1-tc2/source/target/.../non-lexical_lifetimes
[INFO] [stderr]   |                                                  ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr] help: to change the binary name to `non-lexical-lifetimes`, convert the file stem
[INFO] [stderr]   |
[INFO] [stderr] 1 - src/bin/non-lexical_lifetimes.rs
[INFO] [stderr] 1 + src/bin/non-lexical-lifetimes.rs
[INFO] [stderr]   |
[INFO] [stderr] warning: binary `references_as_function_parameters` should have a kebab-case name
[INFO] [stderr]   |
[INFO] [stderr] 1 | /workspace/builds/worker-1-tc2/source/target/.../references_as_function_parameters
[INFO] [stderr]   |                                                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr] help: to change the binary name to `references-as-function-parameters`, convert the file stem
[INFO] [stderr]   |
[INFO] [stderr] 1 - src/bin/references_as_function_parameters.rs
[INFO] [stderr] 1 + src/bin/references-as-function-parameters.rs
[INFO] [stderr]   |
[INFO] [stderr] warning: binary `the_static_lifetime` should have a kebab-case name
[INFO] [stderr]   |
[INFO] [stderr] 1 | /workspace/builds/worker-1-tc2/source/target/.../the_static_lifetime
[INFO] [stderr]   |                                                  ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr] help: to change the binary name to `the-static-lifetime`, convert the file stem
[INFO] [stderr]   |
[INFO] [stderr] 1 - src/bin/the_static_lifetime.rs
[INFO] [stderr] 1 + src/bin/the-static-lifetime.rs
[INFO] [stderr]   |
[INFO] [stderr] warning: `lifetimes` (manifest) generated 18 warnings
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[INFO] checking psatomas/lifetimes against 79c0559184f27f4433a6fbc260b950d06d4a4889 for pr-162233-crater-rollup
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpsatomas%2Flifetimes" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/psatomas/lifetimes
[INFO] finished tweaking git repo https://github.com/psatomas/lifetimes
[INFO] tweaked toml for git repo https://github.com/psatomas/lifetimes written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/psatomas/lifetimes on toolchain 79c0559184f27f4433a6fbc260b950d06d4a4889
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+79c0559184f27f4433a6fbc260b950d06d4a4889" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/psatomas/lifetimes 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" "+79c0559184f27f4433a6fbc260b950d06d4a4889" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: binary `coding_challenge` should have a kebab-case name
[INFO] [stderr]   |
[INFO] [stderr] 1 | /workspace/builds/worker-1-tc2/source/target/.../coding_challenge
[INFO] [stderr]   |                                                  ^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `cargo::non_kebab_case_bins` is set to `warn` by default
[INFO] [stderr] help: to change the binary name to `coding-challenge`, convert the file stem
[INFO] [stderr]   |
[INFO] [stderr] 1 - src/bin/coding_challenge.rs
[INFO] [stderr] 1 + src/bin/coding-challenge.rs
[INFO] [stderr]   |
[INFO] [stderr] warning: binary `concrete_lifetimes_for_references` should have a kebab-case name
[INFO] [stderr]   |
[INFO] [stderr] 1 | /workspace/builds/worker-1-tc2/source/target/.../concrete_lifetimes_for_references
[INFO] [stderr]   |                                                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr] help: to change the binary name to `concrete-lifetimes-for-references`, convert the file stem
[INFO] [stderr]   |
[INFO] [stderr] 1 - src/bin/concrete_lifetimes_for_references.rs
[INFO] [stderr] 1 + src/bin/concrete-lifetimes-for-references.rs
[INFO] [stderr]   |
[INFO] [stderr] warning: binary `concrete_lifetimes_for_values_i` should have a kebab-case name
[INFO] [stderr]   |
[INFO] [stderr] 1 | /workspace/builds/worker-1-tc2/source/target/.../concrete_lifetimes_for_values_i
[INFO] [stderr]   |                                                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr] help: to change the binary name to `concrete-lifetimes-for-values-i`, convert the file stem
[INFO] [stderr]   |
[INFO] [stderr] 1 - src/bin/concrete_lifetimes_for_values_i.rs
[INFO] [stderr] 1 + src/bin/concrete-lifetimes-for-values-i.rs
[INFO] [stderr]   |
[INFO] [stderr] warning: binary `concrete_lifetimes_for_values_ii` should have a kebab-case name
[INFO] [stderr]   |
[INFO] [stderr] 1 | /workspace/builds/worker-1-tc2/source/target/.../concrete_lifetimes_for_values_ii
[INFO] [stderr]   |                                                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr] help: to change the binary name to `concrete-lifetimes-for-values-ii`, convert the file stem
[INFO] [stderr]   |
[INFO] [stderr] 1 - src/bin/concrete_lifetimes_for_values_ii.rs
[INFO] [stderr] 1 + src/bin/concrete-lifetimes-for-values-ii.rs
[INFO] [stderr]   |
[INFO] [stderr] warning: binary `functions_cannot_return_references_to_owned_values_or_parameters` should have a kebab-case name
[INFO] [stderr]   |
[INFO] [stderr] 1 | /workspace/builds/worker-1-tc2/source/target/.../functions_cannot_return_references_to_owned_values_or_parameters
[INFO] [stderr]   |                                                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr] help: to change the binary name to `functions-cannot-return-references-to-owned-values-or-parameters`, convert the file stem
[INFO] [stderr]   |
[INFO] [stderr] 1 - src/bin/functions_cannot_return_references_to_owned_values_or_parameters.rs
[INFO] [stderr] 1 + src/bin/functions-cannot-return-references-to-owned-values-or-parameters.rs
[INFO] [stderr]   |
[INFO] [stderr] warning: binary `intro_to_generic_lifetimes` should have a kebab-case name
[INFO] [stderr]   |
[INFO] [stderr] 1 | /workspace/builds/worker-1-tc2/source/target/.../intro_to_generic_lifetimes
[INFO] [stderr]   |                                                  ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr] help: to change the binary name to `intro-to-generic-lifetimes`, convert the file stem
[INFO] [stderr]   |
[INFO] [stderr] 1 - src/bin/intro_to_generic_lifetimes.rs
[INFO] [stderr] 1 + src/bin/intro-to-generic-lifetimes.rs
[INFO] [stderr]   |
[INFO] [stderr] warning: binary `invalid_lifetimes_i` should have a kebab-case name
[INFO] [stderr]   |
[INFO] [stderr] 1 | /workspace/builds/worker-1-tc2/source/target/.../invalid_lifetimes_i
[INFO] [stderr]   |                                                  ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr] help: to change the binary name to `invalid-lifetimes-i`, convert the file stem
[INFO] [stderr]   |
[INFO] [stderr] 1 - src/bin/invalid_lifetimes_i.rs
[INFO] [stderr] 1 + src/bin/invalid-lifetimes-i.rs
[INFO] [stderr]   |
[INFO] [stderr] warning: binary `invalid_lifetimes_ii` should have a kebab-case name
[INFO] [stderr]   |
[INFO] [stderr] 1 | /workspace/builds/worker-1-tc2/source/target/.../invalid_lifetimes_ii
[INFO] [stderr]   |                                                  ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr] help: to change the binary name to `invalid-lifetimes-ii`, convert the file stem
[INFO] [stderr]   |
[INFO] [stderr] 1 - src/bin/invalid_lifetimes_ii.rs
[INFO] [stderr] 1 + src/bin/invalid-lifetimes-ii.rs
[INFO] [stderr]   |
[INFO] [stderr] warning: binary `lifetime_elision_rules_i` should have a kebab-case name
[INFO] [stderr]   |
[INFO] [stderr] 1 | /workspace/builds/worker-1-tc2/source/target/.../lifetime_elision_rules_i
[INFO] [stderr]   |                                                  ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr] help: to change the binary name to `lifetime-elision-rules-i`, convert the file stem
[INFO] [stderr]   |
[INFO] [stderr] 1 - src/bin/lifetime_elision_rules_i.rs
[INFO] [stderr] 1 + src/bin/lifetime-elision-rules-i.rs
[INFO] [stderr]   |
[INFO] [stderr] warning: binary `lifetime_elision_rules_ii` should have a kebab-case name
[INFO] [stderr]   |
[INFO] [stderr] 1 | /workspace/builds/worker-1-tc2/source/target/.../lifetime_elision_rules_ii
[INFO] [stderr]   |                                                  ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr] help: to change the binary name to `lifetime-elision-rules-ii`, convert the file stem
[INFO] [stderr]   |
[INFO] [stderr] 1 - src/bin/lifetime_elision_rules_ii.rs
[INFO] [stderr] 1 + src/bin/lifetime-elision-rules-ii.rs
[INFO] [stderr]   |
[INFO] [stderr] warning: binary `lifetimes_and_references` should have a kebab-case name
[INFO] [stderr]   |
[INFO] [stderr] 1 | /workspace/builds/worker-1-tc2/source/target/.../lifetimes_and_references
[INFO] [stderr]   |                                                  ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr] help: to change the binary name to `lifetimes-and-references`, convert the file stem
[INFO] [stderr]   |
[INFO] [stderr] 1 - src/bin/lifetimes_and_references.rs
[INFO] [stderr] 1 + src/bin/lifetimes-and-references.rs
[INFO] [stderr]   |
[INFO] [stderr] warning: binary `lifetimes_in_struct` should have a kebab-case name
[INFO] [stderr]   |
[INFO] [stderr] 1 | /workspace/builds/worker-1-tc2/source/target/.../lifetimes_in_struct
[INFO] [stderr]   |                                                  ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr] help: to change the binary name to `lifetimes-in-struct`, convert the file stem
[INFO] [stderr]   |
[INFO] [stderr] 1 - src/bin/lifetimes_in_struct.rs
[INFO] [stderr] 1 + src/bin/lifetimes-in-struct.rs
[INFO] [stderr]   |
[INFO] [stderr] warning: binary `multiple_lifetimes` should have a kebab-case name
[INFO] [stderr]   |
[INFO] [stderr] 1 | /workspace/builds/worker-1-tc2/source/target/.../multiple_lifetimes
[INFO] [stderr]   |                                                  ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr] help: to change the binary name to `multiple-lifetimes`, convert the file stem
[INFO] [stderr]   |
[INFO] [stderr] 1 - src/bin/multiple_lifetimes.rs
[INFO] [stderr] 1 + src/bin/multiple-lifetimes.rs
[INFO] [stderr]   |
[INFO] [stderr] warning: binary `multiple_parameters_i` should have a kebab-case name
[INFO] [stderr]   |
[INFO] [stderr] 1 | /workspace/builds/worker-1-tc2/source/target/.../multiple_parameters_i
[INFO] [stderr]   |                                                  ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr] help: to change the binary name to `multiple-parameters-i`, convert the file stem
[INFO] [stderr]   |
[INFO] [stderr] 1 - src/bin/multiple_parameters_i.rs
[INFO] [stderr] 1 + src/bin/multiple-parameters-i.rs
[INFO] [stderr]   |
[INFO] [stderr] warning: binary `multiple_parameters_ii` should have a kebab-case name
[INFO] [stderr]   |
[INFO] [stderr] 1 | /workspace/builds/worker-1-tc2/source/target/.../multiple_parameters_ii
[INFO] [stderr]   |                                                  ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr] help: to change the binary name to `multiple-parameters-ii`, convert the file stem
[INFO] [stderr]   |
[INFO] [stderr] 1 - src/bin/multiple_parameters_ii.rs
[INFO] [stderr] 1 + src/bin/multiple-parameters-ii.rs
[INFO] [stderr]   |
[INFO] [stderr] warning: binary `non-lexical_lifetimes` should have a kebab-case name
[INFO] [stderr]   |
[INFO] [stderr] 1 | /workspace/builds/worker-1-tc2/source/target/.../non-lexical_lifetimes
[INFO] [stderr]   |                                                  ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr] help: to change the binary name to `non-lexical-lifetimes`, convert the file stem
[INFO] [stderr]   |
[INFO] [stderr] 1 - src/bin/non-lexical_lifetimes.rs
[INFO] [stderr] 1 + src/bin/non-lexical-lifetimes.rs
[INFO] [stderr]   |
[INFO] [stderr] warning: binary `references_as_function_parameters` should have a kebab-case name
[INFO] [stderr]   |
[INFO] [stderr] 1 | /workspace/builds/worker-1-tc2/source/target/.../references_as_function_parameters
[INFO] [stderr]   |                                                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr] help: to change the binary name to `references-as-function-parameters`, convert the file stem
[INFO] [stderr]   |
[INFO] [stderr] 1 - src/bin/references_as_function_parameters.rs
[INFO] [stderr] 1 + src/bin/references-as-function-parameters.rs
[INFO] [stderr]   |
[INFO] [stderr] warning: binary `the_static_lifetime` should have a kebab-case name
[INFO] [stderr]   |
[INFO] [stderr] 1 | /workspace/builds/worker-1-tc2/source/target/.../the_static_lifetime
[INFO] [stderr]   |                                                  ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr] help: to change the binary name to `the-static-lifetime`, convert the file stem
[INFO] [stderr]   |
[INFO] [stderr] 1 - src/bin/the_static_lifetime.rs
[INFO] [stderr] 1 + src/bin/the-static-lifetime.rs
[INFO] [stderr]   |
[INFO] [stderr] warning: `lifetimes` (manifest) generated 18 warnings
[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-1-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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] 5d566526310e3e79866b4b96c2bd72395794d61a95097f0fae055af7b49b5225
[INFO] running `Command { std: "docker" "start" "5d566526310e3e79866b4b96c2bd72395794d61a95097f0fae055af7b49b5225", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5d566526310e3e79866b4b96c2bd72395794d61a95097f0fae055af7b49b5225", 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" "5d566526310e3e79866b4b96c2bd72395794d61a95097f0fae055af7b49b5225" "/opt/rustwide/cargo-home/bin/cargo" "+79c0559184f27f4433a6fbc260b950d06d4a4889" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5d566526310e3e79866b4b96c2bd72395794d61a95097f0fae055af7b49b5225", 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" "5d566526310e3e79866b4b96c2bd72395794d61a95097f0fae055af7b49b5225" "/opt/rustwide/cargo-home/bin/cargo" "+79c0559184f27f4433a6fbc260b950d06d4a4889" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] warning: binary `coding_challenge` should have a kebab-case name
[INFO] [stderr]   |
[INFO] [stderr] 1 | /opt/rustwide/target/.../coding_challenge
[INFO] [stderr]   |                          ^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `cargo::non_kebab_case_bins` is set to `warn` by default
[INFO] [stderr] help: to change the binary name to `coding-challenge`, convert the file stem
[INFO] [stderr]   |
[INFO] [stderr] 1 - src/bin/coding_challenge.rs
[INFO] [stderr] 1 + src/bin/coding-challenge.rs
[INFO] [stderr]   |
[INFO] [stderr] warning: binary `concrete_lifetimes_for_references` should have a kebab-case name
[INFO] [stderr]   |
[INFO] [stderr] 1 | /opt/rustwide/target/.../concrete_lifetimes_for_references
[INFO] [stderr]   |                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr] help: to change the binary name to `concrete-lifetimes-for-references`, convert the file stem
[INFO] [stderr]   |
[INFO] [stderr] 1 - src/bin/concrete_lifetimes_for_references.rs
[INFO] [stderr] 1 + src/bin/concrete-lifetimes-for-references.rs
[INFO] [stderr]   |
[INFO] [stderr] warning: binary `concrete_lifetimes_for_values_i` should have a kebab-case name
[INFO] [stderr]   |
[INFO] [stderr] 1 | /opt/rustwide/target/.../concrete_lifetimes_for_values_i
[INFO] [stderr]   |                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr] help: to change the binary name to `concrete-lifetimes-for-values-i`, convert the file stem
[INFO] [stderr]   |
[INFO] [stderr] 1 - src/bin/concrete_lifetimes_for_values_i.rs
[INFO] [stderr] 1 + src/bin/concrete-lifetimes-for-values-i.rs
[INFO] [stderr]   |
[INFO] [stderr] warning: binary `concrete_lifetimes_for_values_ii` should have a kebab-case name
[INFO] [stderr]   |
[INFO] [stderr] 1 | /opt/rustwide/target/.../concrete_lifetimes_for_values_ii
[INFO] [stderr]   |                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr] help: to change the binary name to `concrete-lifetimes-for-values-ii`, convert the file stem
[INFO] [stderr]   |
[INFO] [stderr] 1 - src/bin/concrete_lifetimes_for_values_ii.rs
[INFO] [stderr] 1 + src/bin/concrete-lifetimes-for-values-ii.rs
[INFO] [stderr]   |
[INFO] [stderr] warning: binary `functions_cannot_return_references_to_owned_values_or_parameters` should have a kebab-case name
[INFO] [stderr]   |
[INFO] [stderr] 1 | /opt/rustwide/target/.../functions_cannot_return_references_to_owned_values_or_parameters
[INFO] [stderr]   |                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr] help: to change the binary name to `functions-cannot-return-references-to-owned-values-or-parameters`, convert the file stem
[INFO] [stderr]   |
[INFO] [stderr] 1 - src/bin/functions_cannot_return_references_to_owned_values_or_parameters.rs
[INFO] [stderr] 1 + src/bin/functions-cannot-return-references-to-owned-values-or-parameters.rs
[INFO] [stderr]   |
[INFO] [stderr] warning: binary `intro_to_generic_lifetimes` should have a kebab-case name
[INFO] [stderr]   |
[INFO] [stderr] 1 | /opt/rustwide/target/.../intro_to_generic_lifetimes
[INFO] [stderr]   |                          ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr] help: to change the binary name to `intro-to-generic-lifetimes`, convert the file stem
[INFO] [stderr]   |
[INFO] [stderr] 1 - src/bin/intro_to_generic_lifetimes.rs
[INFO] [stderr] 1 + src/bin/intro-to-generic-lifetimes.rs
[INFO] [stderr]   |
[INFO] [stderr] warning: binary `invalid_lifetimes_i` should have a kebab-case name
[INFO] [stderr]   |
[INFO] [stderr] 1 | /opt/rustwide/target/.../invalid_lifetimes_i
[INFO] [stderr]   |                          ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr] help: to change the binary name to `invalid-lifetimes-i`, convert the file stem
[INFO] [stderr]   |
[INFO] [stderr] 1 - src/bin/invalid_lifetimes_i.rs
[INFO] [stderr] 1 + src/bin/invalid-lifetimes-i.rs
[INFO] [stderr]   |
[INFO] [stderr] warning: binary `invalid_lifetimes_ii` should have a kebab-case name
[INFO] [stderr]   |
[INFO] [stderr] 1 | /opt/rustwide/target/.../invalid_lifetimes_ii
[INFO] [stderr]   |                          ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr] help: to change the binary name to `invalid-lifetimes-ii`, convert the file stem
[INFO] [stderr]   |
[INFO] [stderr] 1 - src/bin/invalid_lifetimes_ii.rs
[INFO] [stderr] 1 + src/bin/invalid-lifetimes-ii.rs
[INFO] [stderr]   |
[INFO] [stderr] warning: binary `lifetime_elision_rules_i` should have a kebab-case name
[INFO] [stderr]   |
[INFO] [stderr] 1 | /opt/rustwide/target/.../lifetime_elision_rules_i
[INFO] [stderr]   |                          ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr] help: to change the binary name to `lifetime-elision-rules-i`, convert the file stem
[INFO] [stderr]   |
[INFO] [stderr] 1 - src/bin/lifetime_elision_rules_i.rs
[INFO] [stderr] 1 + src/bin/lifetime-elision-rules-i.rs
[INFO] [stderr]   |
[INFO] [stderr] warning: binary `lifetime_elision_rules_ii` should have a kebab-case name
[INFO] [stderr]   |
[INFO] [stderr] 1 | /opt/rustwide/target/.../lifetime_elision_rules_ii
[INFO] [stderr]   |                          ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr] help: to change the binary name to `lifetime-elision-rules-ii`, convert the file stem
[INFO] [stderr]   |
[INFO] [stderr] 1 - src/bin/lifetime_elision_rules_ii.rs
[INFO] [stderr] 1 + src/bin/lifetime-elision-rules-ii.rs
[INFO] [stderr]   |
[INFO] [stderr] warning: binary `lifetimes_and_references` should have a kebab-case name
[INFO] [stderr]   |
[INFO] [stderr] 1 | /opt/rustwide/target/.../lifetimes_and_references
[INFO] [stderr]   |                          ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr] help: to change the binary name to `lifetimes-and-references`, convert the file stem
[INFO] [stderr]   |
[INFO] [stderr] 1 - src/bin/lifetimes_and_references.rs
[INFO] [stderr] 1 + src/bin/lifetimes-and-references.rs
[INFO] [stderr]   |
[INFO] [stderr] warning: binary `lifetimes_in_struct` should have a kebab-case name
[INFO] [stderr]   |
[INFO] [stderr] 1 | /opt/rustwide/target/.../lifetimes_in_struct
[INFO] [stderr]   |                          ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr] help: to change the binary name to `lifetimes-in-struct`, convert the file stem
[INFO] [stderr]   |
[INFO] [stderr] 1 - src/bin/lifetimes_in_struct.rs
[INFO] [stderr] 1 + src/bin/lifetimes-in-struct.rs
[INFO] [stderr]   |
[INFO] [stderr] warning: binary `multiple_lifetimes` should have a kebab-case name
[INFO] [stderr]   |
[INFO] [stderr] 1 | /opt/rustwide/target/.../multiple_lifetimes
[INFO] [stderr]   |                          ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr] help: to change the binary name to `multiple-lifetimes`, convert the file stem
[INFO] [stderr]   |
[INFO] [stderr] 1 - src/bin/multiple_lifetimes.rs
[INFO] [stderr] 1 + src/bin/multiple-lifetimes.rs
[INFO] [stderr]   |
[INFO] [stderr] warning: binary `multiple_parameters_i` should have a kebab-case name
[INFO] [stderr]   |
[INFO] [stderr] 1 | /opt/rustwide/target/.../multiple_parameters_i
[INFO] [stderr]   |                          ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr] help: to change the binary name to `multiple-parameters-i`, convert the file stem
[INFO] [stderr]   |
[INFO] [stderr] 1 - src/bin/multiple_parameters_i.rs
[INFO] [stderr] 1 + src/bin/multiple-parameters-i.rs
[INFO] [stderr]   |
[INFO] [stderr] warning: binary `multiple_parameters_ii` should have a kebab-case name
[INFO] [stderr]   |
[INFO] [stderr] 1 | /opt/rustwide/target/.../multiple_parameters_ii
[INFO] [stderr]   |                          ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr] help: to change the binary name to `multiple-parameters-ii`, convert the file stem
[INFO] [stderr]   |
[INFO] [stderr] 1 - src/bin/multiple_parameters_ii.rs
[INFO] [stderr] 1 + src/bin/multiple-parameters-ii.rs
[INFO] [stderr]   |
[INFO] [stderr] warning: binary `non-lexical_lifetimes` should have a kebab-case name
[INFO] [stderr]   |
[INFO] [stderr] 1 | /opt/rustwide/target/.../non-lexical_lifetimes
[INFO] [stderr]   |                          ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr] help: to change the binary name to `non-lexical-lifetimes`, convert the file stem
[INFO] [stderr]   |
[INFO] [stderr] 1 - src/bin/non-lexical_lifetimes.rs
[INFO] [stderr] 1 + src/bin/non-lexical-lifetimes.rs
[INFO] [stderr]   |
[INFO] [stderr] warning: binary `references_as_function_parameters` should have a kebab-case name
[INFO] [stderr]   |
[INFO] [stderr] 1 | /opt/rustwide/target/.../references_as_function_parameters
[INFO] [stderr]   |                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr] help: to change the binary name to `references-as-function-parameters`, convert the file stem
[INFO] [stderr]   |
[INFO] [stderr] 1 - src/bin/references_as_function_parameters.rs
[INFO] [stderr] 1 + src/bin/references-as-function-parameters.rs
[INFO] [stderr]   |
[INFO] [stderr] warning: binary `the_static_lifetime` should have a kebab-case name
[INFO] [stderr]   |
[INFO] [stderr] 1 | /opt/rustwide/target/.../the_static_lifetime
[INFO] [stderr]   |                          ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr] help: to change the binary name to `the-static-lifetime`, convert the file stem
[INFO] [stderr]   |
[INFO] [stderr] 1 - src/bin/the_static_lifetime.rs
[INFO] [stderr] 1 + src/bin/the-static-lifetime.rs
[INFO] [stderr]   |
[INFO] [stderr] warning: `lifetimes` (manifest) generated 18 warnings
[INFO] [stderr]     Checking lifetimes v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `a`
[INFO] [stdout]  --> src/bin/concrete_lifetimes_for_values_ii.rs:2:9
[INFO] [stdout]   |
[INFO] [stdout] 2 |     let a = 1;
[INFO] [stdout]   |         ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `b`
[INFO] [stdout]  --> src/bin/concrete_lifetimes_for_values_ii.rs:5:13
[INFO] [stdout]   |
[INFO] [stdout] 5 |         let b = 2;
[INFO] [stdout]   |             ^ help: if this is intentional, prefix it with an underscore: `_b`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `choose_favorite` is never used
[INFO] [stdout]  --> src/bin/multiple_parameters_i.rs:1:4
[INFO] [stdout]   |
[INFO] [stdout] 1 | fn choose_favorite<'a>(first: & str, second: &'a str) -> &'a str {
[INFO] [stdout]   |    ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `a`
[INFO] [stdout]  --> src/bin/concrete_lifetimes_for_values_ii.rs:2:9
[INFO] [stdout]   |
[INFO] [stdout] 2 |     let a = 1;
[INFO] [stdout]   |         ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `b`
[INFO] [stdout]  --> src/bin/concrete_lifetimes_for_values_ii.rs:5:13
[INFO] [stdout]   |
[INFO] [stdout] 5 |         let b = 2;
[INFO] [stdout]   |             ^ help: if this is intentional, prefix it with an underscore: `_b`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `some_cities`
[INFO] [stdout]  --> src/bin/invalid_lifetimes_i.rs:2:9
[INFO] [stdout]   |
[INFO] [stdout] 2 |     let some_cities = {
[INFO] [stdout]   |         ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_some_cities`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `cities`
[INFO] [stdout]  --> src/bin/invalid_lifetimes_i.rs:3:13
[INFO] [stdout]   |
[INFO] [stdout] 3 |         let cities = vec![
[INFO] [stdout]   |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_cities`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `places`
[INFO] [stdout]   --> src/bin/invalid_lifetimes_ii.rs:10:9
[INFO] [stdout]    |
[INFO] [stdout] 10 |     let places = cities;
[INFO] [stdout]    |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_places`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `some_cities`
[INFO] [stdout]  --> src/bin/invalid_lifetimes_i.rs:2:9
[INFO] [stdout]   |
[INFO] [stdout] 2 |     let some_cities = {
[INFO] [stdout]   |         ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_some_cities`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `cities`
[INFO] [stdout]  --> src/bin/invalid_lifetimes_i.rs:3:13
[INFO] [stdout]   |
[INFO] [stdout] 3 |         let cities = vec![
[INFO] [stdout]   |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_cities`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `second`
[INFO] [stdout]  --> src/bin/lifetime_elision_rules_i.rs:1:37
[INFO] [stdout]   |
[INFO] [stdout] 1 | fn my_awesome_function(first: &i32, second: String) -> &i32 {
[INFO] [stdout]   |                                     ^^^^^^ help: if this is intentional, prefix it with an underscore: `_second`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `second`
[INFO] [stdout]  --> src/bin/lifetime_elision_rules_i.rs:1:37
[INFO] [stdout]   |
[INFO] [stdout] 1 | fn my_awesome_function(first: &i32, second: String) -> &i32 {
[INFO] [stdout]   |                                     ^^^^^^ help: if this is intentional, prefix it with an underscore: `_second`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `my_awesome_function` is never used
[INFO] [stdout]  --> src/bin/lifetime_elision_rules_i.rs:1:4
[INFO] [stdout]   |
[INFO] [stdout] 1 | fn my_awesome_function(first: &i32, second: String) -> &i32 {
[INFO] [stdout]   |    ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `my_awesome_function` is never used
[INFO] [stdout]  --> src/bin/lifetime_elision_rules_i.rs:1:4
[INFO] [stdout]   |
[INFO] [stdout] 1 | fn my_awesome_function(first: &i32, second: String) -> &i32 {
[INFO] [stdout]   |    ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `choose_favorite` is never used
[INFO] [stdout]  --> src/bin/multiple_parameters_i.rs:1:4
[INFO] [stdout]   |
[INFO] [stdout] 1 | fn choose_favorite<'a>(first: & str, second: &'a str) -> &'a str {
[INFO] [stdout]   |    ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `places`
[INFO] [stdout]   --> src/bin/invalid_lifetimes_ii.rs:10:9
[INFO] [stdout]    |
[INFO] [stdout] 10 |     let places = cities;
[INFO] [stdout]    |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_places`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `to` is never read
[INFO] [stdout]  --> src/bin/multiple_lifetimes.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | struct TravelPlan<'a, 'b> {
[INFO] [stdout]   |        ---------- field in this struct
[INFO] [stdout] 3 |     from: &'b str,
[INFO] [stdout] 4 |     to: &'a str,
[INFO] [stdout]   |     ^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `TravelPlan` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `to` is never read
[INFO] [stdout]  --> src/bin/multiple_lifetimes.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | struct TravelPlan<'a, 'b> {
[INFO] [stdout]   |        ---------- field in this struct
[INFO] [stdout] 3 |     from: &'b str,
[INFO] [stdout] 4 |     to: &'a str,
[INFO] [stdout]   |     ^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `TravelPlan` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `a`
[INFO] [stdout]  --> src/bin/concrete_lifetimes_for_values_i.rs:2:9
[INFO] [stdout]   |
[INFO] [stdout] 2 |     let a = 1;
[INFO] [stdout]   |         ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `a`
[INFO] [stdout]  --> src/bin/concrete_lifetimes_for_values_i.rs:2:9
[INFO] [stdout]   |
[INFO] [stdout] 2 |     let a = 1;
[INFO] [stdout]   |         ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.17s
[INFO] running `Command { std: "docker" "inspect" "5d566526310e3e79866b4b96c2bd72395794d61a95097f0fae055af7b49b5225", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5d566526310e3e79866b4b96c2bd72395794d61a95097f0fae055af7b49b5225", kill_on_drop: false }`
[INFO] [stdout] 5d566526310e3e79866b4b96c2bd72395794d61a95097f0fae055af7b49b5225
