[INFO] updating cached repository BolZer/frag
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/BolZer/frag
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/BolZer/frag" "work/ex/pr-62133/sources/master#5f9c0448dde167128d668da4555879f64e56af1d/gh/BolZer/frag"`
[INFO] [stderr] Cloning into 'work/ex/pr-62133/sources/master#5f9c0448dde167128d668da4555879f64e56af1d/gh/BolZer/frag'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/BolZer/frag" "work/ex/pr-62133/sources/try#8ec8125bea94852768b56958f05da47666c21ab0/gh/BolZer/frag"`
[INFO] [stderr] Cloning into 'work/ex/pr-62133/sources/try#8ec8125bea94852768b56958f05da47666c21ab0/gh/BolZer/frag'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 3ca046a64603e325d56414167cb79daa65e5eaa6
[INFO] sha for GitHub repo BolZer/frag: 3ca046a64603e325d56414167cb79daa65e5eaa6
[INFO] validating manifest of BolZer/frag on toolchain master#5f9c0448dde167128d668da4555879f64e56af1d
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+5f9c0448dde167128d668da4555879f64e56af1d-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of BolZer/frag on toolchain try#8ec8125bea94852768b56958f05da47666c21ab0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+8ec8125bea94852768b56958f05da47666c21ab0-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing BolZer/frag
[INFO] finished frobbing BolZer/frag
[INFO] frobbed toml for BolZer/frag written to work/ex/pr-62133/sources/master#5f9c0448dde167128d668da4555879f64e56af1d/gh/BolZer/frag/Cargo.toml
[INFO] started frobbing BolZer/frag
[INFO] finished frobbing BolZer/frag
[INFO] frobbed toml for BolZer/frag written to work/ex/pr-62133/sources/try#8ec8125bea94852768b56958f05da47666c21ab0/gh/BolZer/frag/Cargo.toml
[INFO] crate BolZer/frag already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+5f9c0448dde167128d668da4555879f64e56af1d-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+8ec8125bea94852768b56958f05da47666c21ab0-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking BolZer/frag against master#5f9c0448dde167128d668da4555879f64e56af1d for pr-62133
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-62133/worker-6/master#5f9c0448dde167128d668da4555879f64e56af1d:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-62133/sources/master#5f9c0448dde167128d668da4555879f64e56af1d/gh/BolZer/frag:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+5f9c0448dde167128d668da4555879f64e56af1d-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] ff622d5f9cd20609fa1396c7cad48cbe108f9f4368b4ffeddd53ea7bd513f5f0
[INFO] running `"docker" "start" "-a" "ff622d5f9cd20609fa1396c7cad48cbe108f9f4368b4ffeddd53ea7bd513f5f0"`
[INFO] [stderr]    Compiling syn v0.15.24
[INFO] [stderr]    Compiling serde_derive v1.0.84
[INFO] [stderr]     Checking Frag v0.1.0 (/opt/crater/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 26.12s
[INFO] running `"docker" "inspect" "ff622d5f9cd20609fa1396c7cad48cbe108f9f4368b4ffeddd53ea7bd513f5f0"`
[INFO] running `"docker" "rm" "-f" "ff622d5f9cd20609fa1396c7cad48cbe108f9f4368b4ffeddd53ea7bd513f5f0"`
[INFO] [stdout] ff622d5f9cd20609fa1396c7cad48cbe108f9f4368b4ffeddd53ea7bd513f5f0