[INFO] updating cached repository https://github.com/BolZer/frag
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/mnt/big/crater/work/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 3ca046a64603e325d56414167cb79daa65e5eaa6
[INFO] checking BolZer/frag against master#c9edc02e8320a9e5799d185910ece7d491f524e6 for pr-64398
[INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2FBolZer%2Ffrag" "work/builds/worker-4/source"`
[INFO] [stderr] Cloning into 'work/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/BolZer/frag on toolchain c9edc02e8320a9e5799d185910ece7d491f524e6-alt
[INFO] running `"/mnt/big/crater/work/cargo-home/bin/cargo" "+c9edc02e8320a9e5799d185910ece7d491f524e6-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/BolZer/frag
[INFO] finished tweaking git repo https://github.com/BolZer/frag
[INFO] tweaked toml for git repo https://github.com/BolZer/frag written to work/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/BolZer/frag already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/cargo-home/bin/cargo" "+c9edc02e8320a9e5799d185910ece7d491f524e6-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/mnt/big/crater/work/builds/worker-4/source:/opt/rustwide/workdir:ro,Z" "-v" "/mnt/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+c9edc02e8320a9e5799d185910ece7d491f524e6-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 2053db88cb174e0fe6c045ebfda81e988d390971d6b510d41261b0be1952cca4
[INFO] running `"docker" "start" "-a" "2053db88cb174e0fe6c045ebfda81e988d390971d6b510d41261b0be1952cca4"`
[INFO] [stderr]     Checking toml v0.4.10
[INFO] [stderr]     Checking Frag v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: method is never used: `initialize`
[INFO] [stderr]   --> src/config/mod.rs:23:5
[INFO] [stderr]    |
[INFO] [stderr] 23 |     pub fn initialize() -> Self {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `headers`
[INFO] [stderr]  --> src/kernel/mux/http.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 |     headers: &'a str
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Response`
[INFO] [stderr]   --> src/kernel/mux/http.rs:17:1
[INFO] [stderr]    |
[INFO] [stderr] 17 | pub struct Response {}
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `JsonResponse`
[INFO] [stderr]   --> src/kernel/mux/http.rs:19:1
[INFO] [stderr]    |
[INFO] [stderr] 19 | pub struct JsonResponse {}
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `ParameterBag`
[INFO] [stderr]   --> src/kernel/mux/http.rs:25:1
[INFO] [stderr]    |
[INFO] [stderr] 25 | pub struct ParameterBag {}
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]  --> src/kernel/mux/mod.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 |     pub fn new() -> Self {
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `cache`
[INFO] [stderr]   --> src/kernel/mod.rs:13:5
[INFO] [stderr]    |
[INFO] [stderr] 13 |     cache: &'a cache::Cache,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `get_config_by_reference`
[INFO] [stderr]   --> src/kernel/mod.rs:17:5
[INFO] [stderr]    |
[INFO] [stderr] 17 |     pub fn get_config_by_reference(&self) -> &Config {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: crate `Frag` should have a snake case name
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr]   = help: convert the identifier to snake case: `frag`
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `initialize`
[INFO] [stderr]   --> src/config/mod.rs:23:5
[INFO] [stderr]    |
[INFO] [stderr] 23 |     pub fn initialize() -> Self {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `headers`
[INFO] [stderr]  --> src/kernel/mux/http.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 |     headers: &'a str
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Response`
[INFO] [stderr]   --> src/kernel/mux/http.rs:17:1
[INFO] [stderr]    |
[INFO] [stderr] 17 | pub struct Response {}
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `JsonResponse`
[INFO] [stderr]   --> src/kernel/mux/http.rs:19:1
[INFO] [stderr]    |
[INFO] [stderr] 19 | pub struct JsonResponse {}
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `ParameterBag`
[INFO] [stderr]   --> src/kernel/mux/http.rs:25:1
[INFO] [stderr]    |
[INFO] [stderr] 25 | pub struct ParameterBag {}
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]  --> src/kernel/mux/mod.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 |     pub fn new() -> Self {
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `cache`
[INFO] [stderr]   --> src/kernel/mod.rs:13:5
[INFO] [stderr]    |
[INFO] [stderr] 13 |     cache: &'a cache::Cache,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `get_config_by_reference`
[INFO] [stderr]   --> src/kernel/mod.rs:17:5
[INFO] [stderr]    |
[INFO] [stderr] 17 |     pub fn get_config_by_reference(&self) -> &Config {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: crate `Frag` should have a snake case name
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr]   = help: convert the identifier to snake case: `frag`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.89s
[INFO] running `"docker" "inspect" "2053db88cb174e0fe6c045ebfda81e988d390971d6b510d41261b0be1952cca4"`
[INFO] running `"docker" "rm" "-f" "2053db88cb174e0fe6c045ebfda81e988d390971d6b510d41261b0be1952cca4"`
[INFO] [stdout] 2053db88cb174e0fe6c045ebfda81e988d390971d6b510d41261b0be1952cca4