[INFO] updating cached repository Liberatys/Sanctuary
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/Liberatys/Sanctuary
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/Liberatys/Sanctuary" "work/ex/pr-62181/sources/master#6ea4036cd20a4b1ab1d56e555108c21735ff6946/gh/Liberatys/Sanctuary"`
[INFO] [stderr] Cloning into 'work/ex/pr-62181/sources/master#6ea4036cd20a4b1ab1d56e555108c21735ff6946/gh/Liberatys/Sanctuary'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/Liberatys/Sanctuary" "work/ex/pr-62181/sources/try#003a7b6b5753e8509fdfe7949d4f0873ba71e4fc/gh/Liberatys/Sanctuary"`
[INFO] [stderr] Cloning into 'work/ex/pr-62181/sources/try#003a7b6b5753e8509fdfe7949d4f0873ba71e4fc/gh/Liberatys/Sanctuary'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] a67e8bc47ab867914385652a84660bbc308d9203
[INFO] sha for GitHub repo Liberatys/Sanctuary: a67e8bc47ab867914385652a84660bbc308d9203
[INFO] validating manifest of Liberatys/Sanctuary on toolchain master#6ea4036cd20a4b1ab1d56e555108c21735ff6946
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+6ea4036cd20a4b1ab1d56e555108c21735ff6946-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of Liberatys/Sanctuary on toolchain try#003a7b6b5753e8509fdfe7949d4f0873ba71e4fc
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+003a7b6b5753e8509fdfe7949d4f0873ba71e4fc-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing Liberatys/Sanctuary
[INFO] finished frobbing Liberatys/Sanctuary
[INFO] frobbed toml for Liberatys/Sanctuary written to work/ex/pr-62181/sources/master#6ea4036cd20a4b1ab1d56e555108c21735ff6946/gh/Liberatys/Sanctuary/Cargo.toml
[INFO] started frobbing Liberatys/Sanctuary
[INFO] finished frobbing Liberatys/Sanctuary
[INFO] frobbed toml for Liberatys/Sanctuary written to work/ex/pr-62181/sources/try#003a7b6b5753e8509fdfe7949d4f0873ba71e4fc/gh/Liberatys/Sanctuary/Cargo.toml
[INFO] crate Liberatys/Sanctuary already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+6ea4036cd20a4b1ab1d56e555108c21735ff6946-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+003a7b6b5753e8509fdfe7949d4f0873ba71e4fc-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking Liberatys/Sanctuary against try#003a7b6b5753e8509fdfe7949d4f0873ba71e4fc for pr-62181
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-62181/worker-6/try#003a7b6b5753e8509fdfe7949d4f0873ba71e4fc:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-62181/sources/try#003a7b6b5753e8509fdfe7949d4f0873ba71e4fc/gh/Liberatys/Sanctuary:/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" "+003a7b6b5753e8509fdfe7949d4f0873ba71e4fc-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 1167b08f429309d336472d45c8d85142d9be757f2df02799ca20f14c52c7f15f
[INFO] running `"docker" "start" "-a" "1167b08f429309d336472d45c8d85142d9be757f2df02799ca20f14c52c7f15f"`
[INFO] [stderr]     Checking sanctuary v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: struct is never constructed: `Connection`
[INFO] [stderr]  --> src/con.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | pub struct Connection {
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]   --> src/con.rs:15:5
[INFO] [stderr]    |
[INFO] [stderr] 15 |     fn new(IP: String, Port: String) -> Connection {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `is_health_connection`
[INFO] [stderr]   --> src/con.rs:22:5
[INFO] [stderr]    |
[INFO] [stderr] 22 |     fn is_health_connection(&self) -> bool {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variable `IP` should have a snake case name
[INFO] [stderr]   --> src/con.rs:15:12
[INFO] [stderr]    |
[INFO] [stderr] 15 |     fn new(IP: String, Port: String) -> Connection {
[INFO] [stderr]    |            ^^ help: convert the identifier to snake case: `ip`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(non_snake_case)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable `Port` should have a snake case name
[INFO] [stderr]   --> src/con.rs:15:24
[INFO] [stderr]    |
[INFO] [stderr] 15 |     fn new(IP: String, Port: String) -> Connection {
[INFO] [stderr]    |                        ^^^^ help: convert the identifier to snake case: `port`
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Connection`
[INFO] [stderr]  --> src/con.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | pub struct Connection {
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]   --> src/con.rs:15:5
[INFO] [stderr]    |
[INFO] [stderr] 15 |     fn new(IP: String, Port: String) -> Connection {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `is_health_connection`
[INFO] [stderr]   --> src/con.rs:22:5
[INFO] [stderr]    |
[INFO] [stderr] 22 |     fn is_health_connection(&self) -> bool {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variable `IP` should have a snake case name
[INFO] [stderr]   --> src/con.rs:15:12
[INFO] [stderr]    |
[INFO] [stderr] 15 |     fn new(IP: String, Port: String) -> Connection {
[INFO] [stderr]    |            ^^ help: convert the identifier to snake case: `ip`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(non_snake_case)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable `Port` should have a snake case name
[INFO] [stderr]   --> src/con.rs:15:24
[INFO] [stderr]    |
[INFO] [stderr] 15 |     fn new(IP: String, Port: String) -> Connection {
[INFO] [stderr]    |                        ^^^^ help: convert the identifier to snake case: `port`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.72s
[INFO] running `"docker" "inspect" "1167b08f429309d336472d45c8d85142d9be757f2df02799ca20f14c52c7f15f"`
[INFO] running `"docker" "rm" "-f" "1167b08f429309d336472d45c8d85142d9be757f2df02799ca20f14c52c7f15f"`
[INFO] [stdout] 1167b08f429309d336472d45c8d85142d9be757f2df02799ca20f14c52c7f15f