[INFO] cloning repository https://github.com/Javyre/jcon
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Javyre/jcon" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJavyre%2Fjcon"`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJavyre%2Fjcon'...
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] cdb941ee6b8fc4f648827a7918bea3e066391d5c
[INFO] checking Javyre/jcon against master#2748a9fd93dd1a00a4521f4f16de5befbf77f6cd for pr-62262-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJavyre%2Fjcon" "/workspace/builds/worker-10/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-10/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Javyre/jcon on toolchain 2748a9fd93dd1a00a4521f4f16de5befbf77f6cd
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/Javyre/jcon
[INFO] finished tweaking git repo https://github.com/Javyre/jcon
[INFO] tweaked toml for git repo https://github.com/Javyre/jcon written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] crate git repo https://github.com/Javyre/jcon already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "MAP_USER_ID=0" "-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" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 76450ea4a0ef61a08cd77d33e8ef4ae65a6f4cb338ad8864b209f68d97c2c752
[INFO] running `"docker" "start" "-a" "76450ea4a0ef61a08cd77d33e8ef4ae65a6f4cb338ad8864b209f68d97c2c752"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking libloading v0.4.3
[INFO] [stderr]     Checking jack-sys v0.2.0
[INFO] [stderr]     Checking jack v0.6.0
[INFO] [stderr]     Checking jcon v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused variable: `pa`
[INFO] [stderr]    --> src/main.rs:405:33
[INFO] [stderr]     |
[INFO] [stderr] 405 |             UserCommand::Toggle(pa, pb) => unimplemented!(),
[INFO] [stderr]     |                                 ^^ help: consider prefixing with an underscore: `_pa`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `pb`
[INFO] [stderr]    --> src/main.rs:405:37
[INFO] [stderr]     |
[INFO] [stderr] 405 |             UserCommand::Toggle(pa, pb) => unimplemented!(),
[INFO] [stderr]     |                                     ^^ help: consider prefixing with an underscore: `_pb`
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Connect`
[INFO] [stderr]    --> src/main.rs:100:5
[INFO] [stderr]     |
[INFO] [stderr] 100 |     Connect(ORegex, IRegex),
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Disconnect`
[INFO] [stderr]    --> src/main.rs:101:5
[INFO] [stderr]     |
[INFO] [stderr] 101 |     Disconnect(ORegex, IRegex),
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Toggle`
[INFO] [stderr]    --> src/main.rs:102:5
[INFO] [stderr]     |
[INFO] [stderr] 102 |     Toggle(ORegex, IRegex),
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `EnsureConnected`
[INFO] [stderr]    --> src/main.rs:107:5
[INFO] [stderr]     |
[INFO] [stderr] 107 |     EnsureConnected(PRegex, PRegex),
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `EnsureDisConnected`
[INFO] [stderr]    --> src/main.rs:108:5
[INFO] [stderr]     |
[INFO] [stderr] 108 |     EnsureDisConnected(PRegex, PRegex),
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `UserCommand`
[INFO] [stderr]    --> src/main.rs:121:5
[INFO] [stderr]     |
[INFO] [stderr] 121 |     UserCommand(UserCommand, Sender<Result<()>>),
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Command`
[INFO] [stderr]    --> src/main.rs:122:5
[INFO] [stderr]     |
[INFO] [stderr] 122 |     Command(Command),
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Finish`
[INFO] [stderr]    --> src/main.rs:127:26
[INFO] [stderr]     |
[INFO] [stderr] 127 | enum Control { Continue, Finish }
[INFO] [stderr]     |                          ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `inner`
[INFO] [stderr]    --> src/main.rs:168:15
[INFO] [stderr]     |
[INFO] [stderr] 168 | impl IRegex { pub fn inner(&self) -> &Regex  { &(self.0).0 } }
[INFO] [stderr]     |               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `inner`
[INFO] [stderr]    --> src/main.rs:169:15
[INFO] [stderr]     |
[INFO] [stderr] 169 | impl ORegex { pub fn inner(&self) -> &Regex  { &(self.0).0 } }
[INFO] [stderr]     |               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `find_with_in`
[INFO] [stderr]    --> src/main.rs:198:5
[INFO] [stderr]     |
[INFO] [stderr] 198 |     pub fn find_with_in(&self, n: &IName) -> Vec<ORegex> {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `pa`
[INFO] [stderr]    --> src/main.rs:405:33
[INFO] [stderr]     |
[INFO] [stderr] 405 |             UserCommand::Toggle(pa, pb) => unimplemented!(),
[INFO] [stderr]     |                                 ^^ help: consider prefixing with an underscore: `_pa`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `pb`
[INFO] [stderr]    --> src/main.rs:405:37
[INFO] [stderr]     |
[INFO] [stderr] 405 |             UserCommand::Toggle(pa, pb) => unimplemented!(),
[INFO] [stderr]     |                                     ^^ help: consider prefixing with an underscore: `_pb`
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Connect`
[INFO] [stderr]    --> src/main.rs:100:5
[INFO] [stderr]     |
[INFO] [stderr] 100 |     Connect(ORegex, IRegex),
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Disconnect`
[INFO] [stderr]    --> src/main.rs:101:5
[INFO] [stderr]     |
[INFO] [stderr] 101 |     Disconnect(ORegex, IRegex),
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Toggle`
[INFO] [stderr]    --> src/main.rs:102:5
[INFO] [stderr]     |
[INFO] [stderr] 102 |     Toggle(ORegex, IRegex),
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `EnsureConnected`
[INFO] [stderr]    --> src/main.rs:107:5
[INFO] [stderr]     |
[INFO] [stderr] 107 |     EnsureConnected(PRegex, PRegex),
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `EnsureDisConnected`
[INFO] [stderr]    --> src/main.rs:108:5
[INFO] [stderr]     |
[INFO] [stderr] 108 |     EnsureDisConnected(PRegex, PRegex),
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `UserCommand`
[INFO] [stderr]    --> src/main.rs:121:5
[INFO] [stderr]     |
[INFO] [stderr] 121 |     UserCommand(UserCommand, Sender<Result<()>>),
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Command`
[INFO] [stderr]    --> src/main.rs:122:5
[INFO] [stderr]     |
[INFO] [stderr] 122 |     Command(Command),
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Finish`
[INFO] [stderr]    --> src/main.rs:127:26
[INFO] [stderr]     |
[INFO] [stderr] 127 | enum Control { Continue, Finish }
[INFO] [stderr]     |                          ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `inner`
[INFO] [stderr]    --> src/main.rs:168:15
[INFO] [stderr]     |
[INFO] [stderr] 168 | impl IRegex { pub fn inner(&self) -> &Regex  { &(self.0).0 } }
[INFO] [stderr]     |               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `inner`
[INFO] [stderr]    --> src/main.rs:169:15
[INFO] [stderr]     |
[INFO] [stderr] 169 | impl ORegex { pub fn inner(&self) -> &Regex  { &(self.0).0 } }
[INFO] [stderr]     |               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `find_with_in`
[INFO] [stderr]    --> src/main.rs:198:5
[INFO] [stderr]     |
[INFO] [stderr] 198 |     pub fn find_with_in(&self, n: &IName) -> Vec<ORegex> {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.07s
[INFO] running `"docker" "inspect" "76450ea4a0ef61a08cd77d33e8ef4ae65a6f4cb338ad8864b209f68d97c2c752"`
[INFO] running `"docker" "rm" "-f" "76450ea4a0ef61a08cd77d33e8ef4ae65a6f4cb338ad8864b209f68d97c2c752"`
[INFO] [stdout] 76450ea4a0ef61a08cd77d33e8ef4ae65a6f4cb338ad8864b209f68d97c2c752