[INFO] cloning repository https://github.com/charleszheng44/bully-algorithm-rm
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/charleszheng44/bully-algorithm-rm" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcharleszheng44%2Fbully-algorithm-rm", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcharleszheng44%2Fbully-algorithm-rm'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9e0ca93fcd4468a05dcbb690e82e71be06f48a2d
[INFO] checking charleszheng44/bully-algorithm-rm against try#9cfe725f0995b018340c519db1b2f3cf8a7e0631 for pr-81174
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcharleszheng44%2Fbully-algorithm-rm" "/workspace/builds/worker-3/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/charleszheng44/bully-algorithm-rm on toolchain 9cfe725f0995b018340c519db1b2f3cf8a7e0631
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9cfe725f0995b018340c519db1b2f3cf8a7e0631" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/charleszheng44/bully-algorithm-rm
[INFO] finished tweaking git repo https://github.com/charleszheng44/bully-algorithm-rm
[INFO] tweaked toml for git repo https://github.com/charleszheng44/bully-algorithm-rm written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/charleszheng44/bully-algorithm-rm already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9cfe725f0995b018340c519db1b2f3cf8a7e0631" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "rustops/crates-build-env@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+9cfe725f0995b018340c519db1b2f3cf8a7e0631" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 861fff8491e557131c2bd0980d52f21c4ae43765f2f2d2007b84686bd366376f
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "861fff8491e557131c2bd0980d52f21c4ae43765f2f2d2007b84686bd366376f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "861fff8491e557131c2bd0980d52f21c4ae43765f2f2d2007b84686bd366376f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "861fff8491e557131c2bd0980d52f21c4ae43765f2f2d2007b84686bd366376f", kill_on_drop: false }`
[INFO] [stdout] 861fff8491e557131c2bd0980d52f21c4ae43765f2f2d2007b84686bd366376f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "-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" "rustops/crates-build-env@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+9cfe725f0995b018340c519db1b2f3cf8a7e0631" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 40bba244bf257bcd38eb2c956930bc135ec48c374c388747baae652c0c7cef36
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "40bba244bf257bcd38eb2c956930bc135ec48c374c388747baae652c0c7cef36", kill_on_drop: false }`
[INFO] [stderr]     Checking bully-algorithm v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `peer_addr_strs`
[INFO] [stdout]   --> src/bully.rs:19:16
[INFO] [stdout]    |
[INFO] [stdout] 19 |     pub fn new(peer_addr_strs: Vec<String>) -> Self {unimplemented!()}
[INFO] [stdout]    |                ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_peer_addr_strs`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Process`
[INFO] [stdout]  --> src/bully.rs:4:8
[INFO] [stdout]   |
[INFO] [stdout] 4 | struct Process<'a> {
[INFO] [stdout]   |        ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `PeerInfo`
[INFO] [stdout]   --> src/bully.rs:13:8
[INFO] [stdout]    |
[INFO] [stdout] 13 | struct PeerInfo{
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `peer_addr_strs`
[INFO] [stdout]   --> src/bully.rs:19:16
[INFO] [stdout]    |
[INFO] [stdout] 19 |     pub fn new(peer_addr_strs: Vec<String>) -> Self {unimplemented!()}
[INFO] [stdout]    |                ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_peer_addr_strs`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/bully.rs:19:12
[INFO] [stdout]    |
[INFO] [stdout] 19 |     pub fn new(peer_addr_strs: Vec<String>) -> Self {unimplemented!()}
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `start`
[INFO] [stdout]   --> src/bully.rs:22:12
[INFO] [stdout]    |
[INFO] [stdout] 22 |     pub fn start(self) {unimplemented!()}
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Process`
[INFO] [stdout]  --> src/bully.rs:4:8
[INFO] [stdout]   |
[INFO] [stdout] 4 | struct Process<'a> {
[INFO] [stdout]   |        ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `PeerInfo`
[INFO] [stdout]   --> src/bully.rs:13:8
[INFO] [stdout]    |
[INFO] [stdout] 13 | struct PeerInfo{
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/bully.rs:19:12
[INFO] [stdout]    |
[INFO] [stdout] 19 |     pub fn new(peer_addr_strs: Vec<String>) -> Self {unimplemented!()}
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `start`
[INFO] [stdout]   --> src/bully.rs:22:12
[INFO] [stdout]    |
[INFO] [stdout] 22 |     pub fn start(self) {unimplemented!()}
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.16s
[INFO] running `Command { std: "docker" "inspect" "40bba244bf257bcd38eb2c956930bc135ec48c374c388747baae652c0c7cef36", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "40bba244bf257bcd38eb2c956930bc135ec48c374c388747baae652c0c7cef36", kill_on_drop: false }`
[INFO] [stdout] 40bba244bf257bcd38eb2c956930bc135ec48c374c388747baae652c0c7cef36