[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 master#a609fb45efad59dfd459c76e50899be9f0583b5a for pr-80579
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcharleszheng44%2Fbully-algorithm-rm" "/workspace/builds/worker-11/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-11/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/charleszheng44/bully-algorithm-rm on toolchain a609fb45efad59dfd459c76e50899be9f0583b5a
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "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-11/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" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2bc1913cd87fb9b5b34cdc04482b2c27085d59e9842b22493dcb47a644c741b6
[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" "2bc1913cd87fb9b5b34cdc04482b2c27085d59e9842b22493dcb47a644c741b6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2bc1913cd87fb9b5b34cdc04482b2c27085d59e9842b22493dcb47a644c741b6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2bc1913cd87fb9b5b34cdc04482b2c27085d59e9842b22493dcb47a644c741b6", kill_on_drop: false }`
[INFO] [stdout] 2bc1913cd87fb9b5b34cdc04482b2c27085d59e9842b22493dcb47a644c741b6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 179dcd42d62d1e0be66926ebea18862f88ffed8f09864a5c6563ddc96c30943d
[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" "179dcd42d62d1e0be66926ebea18862f88ffed8f09864a5c6563ddc96c30943d", 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: 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: 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: 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 0.31s
[INFO] running `Command { std: "docker" "inspect" "179dcd42d62d1e0be66926ebea18862f88ffed8f09864a5c6563ddc96c30943d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "179dcd42d62d1e0be66926ebea18862f88ffed8f09864a5c6563ddc96c30943d", kill_on_drop: false }`
[INFO] [stdout] 179dcd42d62d1e0be66926ebea18862f88ffed8f09864a5c6563ddc96c30943d