[INFO] cloning repository https://github.com/Sieyalixnet/Kill-Em-All
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Sieyalixnet/Kill-Em-All" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSieyalixnet%2FKill-Em-All", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSieyalixnet%2FKill-Em-All'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 56bc07e1635fb22d3a705fae0549ffdbe1e8de28
[INFO] checking Sieyalixnet/Kill-Em-All against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSieyalixnet%2FKill-Em-All" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/Sieyalixnet/Kill-Em-All
[INFO] finished tweaking git repo https://github.com/Sieyalixnet/Kill-Em-All
[INFO] tweaked toml for git repo https://github.com/Sieyalixnet/Kill-Em-All written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/Sieyalixnet/Kill-Em-All on toolchain 4f260f0f20b3133d20cfb50353c0221943af5796
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/Sieyalixnet/Kill-Em-All 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" "+4f260f0f20b3133d20cfb50353c0221943af5796" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 04aa8d701775b338a38af322f3fd97622f38baf86296476c81e9ac44e0bb5a26
[INFO] running `Command { std: "docker" "start" "-a" "04aa8d701775b338a38af322f3fd97622f38baf86296476c81e9ac44e0bb5a26", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "04aa8d701775b338a38af322f3fd97622f38baf86296476c81e9ac44e0bb5a26", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "04aa8d701775b338a38af322f3fd97622f38baf86296476c81e9ac44e0bb5a26", kill_on_drop: false }`
[INFO] [stdout] 04aa8d701775b338a38af322f3fd97622f38baf86296476c81e9ac44e0bb5a26
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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 -Dunmustuse_in_always_ok" "-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 62705ca28bc84546464778282c343724e348076f2940b5df454cf855a2b2ac0e
[INFO] running `Command { std: "docker" "start" "-a" "62705ca28bc84546464778282c343724e348076f2940b5df454cf855a2b2ac0e", kill_on_drop: false }`
[INFO] [stderr]     Checking futures-core v0.3.30
[INFO] [stderr]    Compiling serde v1.0.196
[INFO] [stderr]     Checking slab v0.4.9
[INFO] [stderr]     Checking is-docker v0.2.0
[INFO] [stderr]     Checking mio v0.8.10
[INFO] [stderr]     Checking crossbeam-channel v0.5.11
[INFO] [stderr]     Checking indexmap v2.2.2
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking pathdiff v0.2.1
[INFO] [stderr]    Compiling syn v2.0.48
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]     Checking unsafe-libyaml v0.2.10
[INFO] [stderr]     Checking strsim v0.10.0
[INFO] [stderr]     Checking textwrap v0.16.0
[INFO] [stderr]     Checking fs_extra v1.3.0
[INFO] [stderr]     Checking is-wsl v0.4.0
[INFO] [stderr]     Checking open v5.0.1
[INFO] [stderr]     Checking futures-util v0.3.30
[INFO] [stderr]     Checking futures-channel v0.3.30
[INFO] [stderr]     Checking signal-hook-mio v0.2.3
[INFO] [stderr]     Checking crossterm v0.27.0
[INFO] [stderr]     Checking futures-executor v0.3.30
[INFO] [stderr]     Checking rusty_pool v0.7.0
[INFO] [stderr]    Compiling serde_derive v1.0.196
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling clap_derive v3.2.25
[INFO] [stderr]     Checking clap v3.2.25
[INFO] [stderr]     Checking serde_yaml v0.9.31
[INFO] [stderr]     Checking kmall v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `available_parallelism`
[INFO] [stdout]  --> src/core/selector.rs:6:20
[INFO] [stdout]   |
[INFO] [stdout] 6 |     thread::{self, available_parallelism},
[INFO] [stdout]   |                    ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `get_default_config_path`
[INFO] [stdout]   --> src/core/selector.rs:14:22
[INFO] [stdout]    |
[INFO] [stdout] 14 | use super::checker::{get_default_config_path, ConfigChecker};
[INFO] [stdout]    |                      ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `available_parallelism`
[INFO] [stdout]  --> src/core/selector.rs:6:20
[INFO] [stdout]   |
[INFO] [stdout] 6 |     thread::{self, available_parallelism},
[INFO] [stdout]   |                    ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `get_default_config_path`
[INFO] [stdout]   --> src/core/selector.rs:14:22
[INFO] [stdout]    |
[INFO] [stdout] 14 | use super::checker::{get_default_config_path, ConfigChecker};
[INFO] [stdout]    |                      ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `System` and `Calculating` are never constructed
[INFO] [stdout]   --> src/core/selector.rs:21:5
[INFO] [stdout]    |
[INFO] [stdout] 17 | pub enum SelectStatus {
[INFO] [stdout]    |          ------------ variants in this enum
[INFO] [stdout] ...
[INFO] [stdout] 21 |     System,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 22 |     Searched,
[INFO] [stdout] 23 |     Calculating,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `SelectStatus` has derived impls for the traits `Debug` and `Clone`, but these are 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: methods `add_exit` and `value` are never used
[INFO] [stdout]   --> src/core/selector.rs:71:12
[INFO] [stdout]    |
[INFO] [stdout] 47 | impl Selector {
[INFO] [stdout]    | ------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 71 |     pub fn add_exit(&mut self) {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 77 |     pub fn value(&self) -> usize {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `ANOTHER` is never constructed
[INFO] [stdout]    --> src/core/selector.rs:140:5
[INFO] [stdout]     |
[INFO] [stdout] 137 | pub enum RendererOperation {
[INFO] [stdout]     |          ----------------- variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 140 |     ANOTHER,
[INFO] [stdout]     |     ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `RendererOperation` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `empty` is never used
[INFO] [stdout]   --> src/render/renderer.rs:29:12
[INFO] [stdout]    |
[INFO] [stdout] 28 | impl StyledContent {
[INFO] [stdout]    | ------------------ associated function in this implementation
[INFO] [stdout] 29 |     pub fn empty() -> Self {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: ControlFlow<Result<Infallible, Infallible>, std::string::String>
[INFO] [stdout]   --> src/core/checker.rs:93:26
[INFO] [stdout]    |
[INFO] [stdout] 93 |         let _s: String = String::from_utf8_lossy(&fs::read(path)?).parse()?;
[INFO] [stdout]    |                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]   --> src/core/checker.rs:93:26
[INFO] [stdout]    |
[INFO] [stdout] 93 |         let _s: String = String::from_utf8_lossy(&fs::read(path)?).parse()?;
[INFO] [stdout]    |                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `kmall` (bin "kmall") due to 2 previous errors; 6 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: variants `System` and `Calculating` are never constructed
[INFO] [stdout]   --> src/core/selector.rs:21:5
[INFO] [stdout]    |
[INFO] [stdout] 17 | pub enum SelectStatus {
[INFO] [stdout]    |          ------------ variants in this enum
[INFO] [stdout] ...
[INFO] [stdout] 21 |     System,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 22 |     Searched,
[INFO] [stdout] 23 |     Calculating,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `SelectStatus` has derived impls for the traits `Debug` and `Clone`, but these are 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: methods `add_exit` and `value` are never used
[INFO] [stdout]   --> src/core/selector.rs:71:12
[INFO] [stdout]    |
[INFO] [stdout] 47 | impl Selector {
[INFO] [stdout]    | ------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 71 |     pub fn add_exit(&mut self) {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 77 |     pub fn value(&self) -> usize {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `ANOTHER` is never constructed
[INFO] [stdout]    --> src/core/selector.rs:140:5
[INFO] [stdout]     |
[INFO] [stdout] 137 | pub enum RendererOperation {
[INFO] [stdout]     |          ----------------- variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 140 |     ANOTHER,
[INFO] [stdout]     |     ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `RendererOperation` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `empty` is never used
[INFO] [stdout]   --> src/render/renderer.rs:29:12
[INFO] [stdout]    |
[INFO] [stdout] 28 | impl StyledContent {
[INFO] [stdout]    | ------------------ associated function in this implementation
[INFO] [stdout] 29 |     pub fn empty() -> Self {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: ControlFlow<Result<Infallible, Infallible>, std::string::String>
[INFO] [stdout]   --> src/core/checker.rs:93:26
[INFO] [stdout]    |
[INFO] [stdout] 93 |         let _s: String = String::from_utf8_lossy(&fs::read(path)?).parse()?;
[INFO] [stdout]    |                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]   --> src/core/checker.rs:93:26
[INFO] [stdout]    |
[INFO] [stdout] 93 |         let _s: String = String::from_utf8_lossy(&fs::read(path)?).parse()?;
[INFO] [stdout]    |                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `kmall` (bin "kmall" test) due to 2 previous errors; 6 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "62705ca28bc84546464778282c343724e348076f2940b5df454cf855a2b2ac0e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "62705ca28bc84546464778282c343724e348076f2940b5df454cf855a2b2ac0e", kill_on_drop: false }`
[INFO] [stdout] 62705ca28bc84546464778282c343724e348076f2940b5df454cf855a2b2ac0e
