[INFO] cloning repository https://github.com/soloworldsolo/cli
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/soloworldsolo/cli" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsoloworldsolo%2Fcli", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsoloworldsolo%2Fcli'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 32e3fdac3e4876ccc6c94fd532cdec2d9aba089f
[INFO] building soloworldsolo/cli against master#11663cd3bfefef7d34e8f0892c250bf698049392+rustflags=-Dtail-expr-drop-order for pr-134523
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsoloworldsolo%2Fcli" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/soloworldsolo/cli on toolchain 11663cd3bfefef7d34e8f0892c250bf698049392
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/soloworldsolo/cli
[INFO] finished tweaking git repo https://github.com/soloworldsolo/cli
[INFO] tweaked toml for git repo https://github.com/soloworldsolo/cli written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/soloworldsolo/cli 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" "+11663cd3bfefef7d34e8f0892c250bf698049392" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a64e4e69781b97c82d58fcd8b8e45a960ee4bcaa054163f7903df474c21ae1d3
[INFO] running `Command { std: "docker" "start" "-a" "a64e4e69781b97c82d58fcd8b8e45a960ee4bcaa054163f7903df474c21ae1d3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a64e4e69781b97c82d58fcd8b8e45a960ee4bcaa054163f7903df474c21ae1d3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a64e4e69781b97c82d58fcd8b8e45a960ee4bcaa054163f7903df474c21ae1d3", kill_on_drop: false }`
[INFO] [stdout] a64e4e69781b97c82d58fcd8b8e45a960ee4bcaa054163f7903df474c21ae1d3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid -Dtail-expr-drop-order" "-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e6cda7af2849af96802e7564cde5f29c4b597ea7bcfc05fc814f62005eae17d9
[INFO] running `Command { std: "docker" "start" "-a" "e6cda7af2849af96802e7564cde5f29c4b597ea7bcfc05fc814f62005eae17d9", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.147
[INFO] [stderr]    Compiling getrandom v0.2.10
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling cli v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: type `person` should have an upper camel case name
[INFO] [stdout]   --> src/hof.rs:34:8
[INFO] [stdout]    |
[INFO] [stdout] 34 | struct person {
[INFO] [stdout]    |        ^^^^^^ help: convert the identifier to upper camel case: `Person`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::any::type_name`
[INFO] [stdout]  --> src/traitex.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::any::type_name;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fmt::format`
[INFO] [stdout]  --> src/traitex.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::fmt::format;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `sum`
[INFO] [stdout]  --> src/hof.rs:3:13
[INFO] [stdout]   |
[INFO] [stdout] 3 |     let mut sum = 0;
[INFO] [stdout]   |             ^^^ help: if this is intentional, prefix it with an underscore: `_sum`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `values` is never read
[INFO] [stdout]   --> src/hof.rs:13:13
[INFO] [stdout]    |
[INFO] [stdout] 13 |     let mut values:Vec<String> = Vec::new();
[INFO] [stdout]    |             ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]  --> src/hof.rs:3:9
[INFO] [stdout]   |
[INFO] [stdout] 3 |     let mut sum = 0;
[INFO] [stdout]   |         ----^^^
[INFO] [stdout]   |         |
[INFO] [stdout]   |         help: remove this `mut`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/hof.rs:46:13
[INFO] [stdout]    |
[INFO] [stdout] 46 |         let mut a = &mut self.name;
[INFO] [stdout]    |             ----^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `vanavil`
[INFO] [stdout]   --> src/main.rs:11:9
[INFO] [stdout]    |
[INFO] [stdout] 11 | let mut vanavil = ["violet" ,"indigo", "blue","green"];
[INFO] [stdout]    |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_vanavil`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | let mut vanavil = ["violet" ,"indigo", "blue","green"];
[INFO] [stdout]    |     ----^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `name`, `cost`, and `country` are never read
[INFO] [stdout]   --> src/main.rs:37:3
[INFO] [stdout]    |
[INFO] [stdout] 36 | struct Product {
[INFO] [stdout]    |        ------- fields in this struct
[INFO] [stdout] 37 |   name :String,
[INFO] [stdout]    |   ^^^^
[INFO] [stdout] 38 |   cost: f32,
[INFO] [stdout]    |   ^^^^
[INFO] [stdout] 39 |   country: String
[INFO] [stdout]    |   ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Product` 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: field `name` is never read
[INFO] [stdout]   --> src/hof.rs:35:5
[INFO] [stdout]    |
[INFO] [stdout] 34 | struct person {
[INFO] [stdout]    |        ------ field in this struct
[INFO] [stdout] 35 |     name : String
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `person` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `name` and `owner` are never read
[INFO] [stdout]   --> src/hof.rs:39:5
[INFO] [stdout]    |
[INFO] [stdout] 38 | struct Dog<'l> {
[INFO] [stdout]    |        --- fields in this struct
[INFO] [stdout] 39 |     name:String,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 40 |     owner: &'l person
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Dog` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `get_name` is never used
[INFO] [stdout]   --> src/hof.rs:45:8
[INFO] [stdout]    |
[INFO] [stdout] 44 | impl Dog<'_> {
[INFO] [stdout]    | ------------ method in this implementation
[INFO] [stdout] 45 |     fn get_name(&mut self) -> &String {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.23s
[INFO] running `Command { std: "docker" "inspect" "e6cda7af2849af96802e7564cde5f29c4b597ea7bcfc05fc814f62005eae17d9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e6cda7af2849af96802e7564cde5f29c4b597ea7bcfc05fc814f62005eae17d9", kill_on_drop: false }`
[INFO] [stdout] e6cda7af2849af96802e7564cde5f29c4b597ea7bcfc05fc814f62005eae17d9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid -Dtail-expr-drop-order" "-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ee4267b05bf1893c8c16a69fdab93265a3213dc1efa9648692c2226a6dac4f2e
[INFO] running `Command { std: "docker" "start" "-a" "ee4267b05bf1893c8c16a69fdab93265a3213dc1efa9648692c2226a6dac4f2e", kill_on_drop: false }`
[INFO] [stderr]    Compiling cli v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: type `person` should have an upper camel case name
[INFO] [stdout]   --> src/hof.rs:34:8
[INFO] [stdout]    |
[INFO] [stdout] 34 | struct person {
[INFO] [stdout]    |        ^^^^^^ help: convert the identifier to upper camel case: `Person`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::any::type_name`
[INFO] [stdout]  --> src/traitex.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::any::type_name;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fmt::format`
[INFO] [stdout]  --> src/traitex.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::fmt::format;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `sum`
[INFO] [stdout]  --> src/hof.rs:3:13
[INFO] [stdout]   |
[INFO] [stdout] 3 |     let mut sum = 0;
[INFO] [stdout]   |             ^^^ help: if this is intentional, prefix it with an underscore: `_sum`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `values` is never read
[INFO] [stdout]   --> src/hof.rs:13:13
[INFO] [stdout]    |
[INFO] [stdout] 13 |     let mut values:Vec<String> = Vec::new();
[INFO] [stdout]    |             ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]  --> src/hof.rs:3:9
[INFO] [stdout]   |
[INFO] [stdout] 3 |     let mut sum = 0;
[INFO] [stdout]   |         ----^^^
[INFO] [stdout]   |         |
[INFO] [stdout]   |         help: remove this `mut`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/hof.rs:46:13
[INFO] [stdout]    |
[INFO] [stdout] 46 |         let mut a = &mut self.name;
[INFO] [stdout]    |             ----^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `vanavil`
[INFO] [stdout]   --> src/main.rs:11:9
[INFO] [stdout]    |
[INFO] [stdout] 11 | let mut vanavil = ["violet" ,"indigo", "blue","green"];
[INFO] [stdout]    |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_vanavil`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | let mut vanavil = ["violet" ,"indigo", "blue","green"];
[INFO] [stdout]    |     ----^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `name`, `cost`, and `country` are never read
[INFO] [stdout]   --> src/main.rs:37:3
[INFO] [stdout]    |
[INFO] [stdout] 36 | struct Product {
[INFO] [stdout]    |        ------- fields in this struct
[INFO] [stdout] 37 |   name :String,
[INFO] [stdout]    |   ^^^^
[INFO] [stdout] 38 |   cost: f32,
[INFO] [stdout]    |   ^^^^
[INFO] [stdout] 39 |   country: String
[INFO] [stdout]    |   ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Product` 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: field `name` is never read
[INFO] [stdout]   --> src/hof.rs:35:5
[INFO] [stdout]    |
[INFO] [stdout] 34 | struct person {
[INFO] [stdout]    |        ------ field in this struct
[INFO] [stdout] 35 |     name : String
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `person` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `name` and `owner` are never read
[INFO] [stdout]   --> src/hof.rs:39:5
[INFO] [stdout]    |
[INFO] [stdout] 38 | struct Dog<'l> {
[INFO] [stdout]    |        --- fields in this struct
[INFO] [stdout] 39 |     name:String,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 40 |     owner: &'l person
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Dog` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `get_name` is never used
[INFO] [stdout]   --> src/hof.rs:45:8
[INFO] [stdout]    |
[INFO] [stdout] 44 | impl Dog<'_> {
[INFO] [stdout]    | ------------ method in this implementation
[INFO] [stdout] 45 |     fn get_name(&mut self) -> &String {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.31s
[INFO] running `Command { std: "docker" "inspect" "ee4267b05bf1893c8c16a69fdab93265a3213dc1efa9648692c2226a6dac4f2e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ee4267b05bf1893c8c16a69fdab93265a3213dc1efa9648692c2226a6dac4f2e", kill_on_drop: false }`
[INFO] [stdout] ee4267b05bf1893c8c16a69fdab93265a3213dc1efa9648692c2226a6dac4f2e