[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#f82664191d0e8764b7435b9d72eb0e366b8b1464 for pr-83354
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcharleszheng44%2Fbully-algorithm-rm" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/charleszheng44/bully-algorithm-rm on toolchain f82664191d0e8764b7435b9d72eb0e366b8b1464
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f82664191d0e8764b7435b9d72eb0e366b8b1464" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", 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-2/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" "+f82664191d0e8764b7435b9d72eb0e366b8b1464" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:4f92631de1aa59f8320307485d3b3c869a5c90ab1d76ce2cffab9807b8c9a1fb" "/opt/rustwide/cargo-home/bin/cargo" "+f82664191d0e8764b7435b9d72eb0e366b8b1464" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b9a30d932ec3c752fe71db65f2837aacb4ee2f8c0392f62e2ebf7afec1041506
[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" "b9a30d932ec3c752fe71db65f2837aacb4ee2f8c0392f62e2ebf7afec1041506", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b9a30d932ec3c752fe71db65f2837aacb4ee2f8c0392f62e2ebf7afec1041506", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b9a30d932ec3c752fe71db65f2837aacb4ee2f8c0392f62e2ebf7afec1041506", kill_on_drop: false }`
[INFO] [stdout] b9a30d932ec3c752fe71db65f2837aacb4ee2f8c0392f62e2ebf7afec1041506
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:4f92631de1aa59f8320307485d3b3c869a5c90ab1d76ce2cffab9807b8c9a1fb" "/opt/rustwide/cargo-home/bin/cargo" "+f82664191d0e8764b7435b9d72eb0e366b8b1464" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 38f3982b6c3a909d141de3f91e73c51d32158c4e132fb9b53837c05cb98ff234
[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" "38f3982b6c3a909d141de3f91e73c51d32158c4e132fb9b53837c05cb98ff234", 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 0.27s
[INFO] running `Command { std: "docker" "inspect" "38f3982b6c3a909d141de3f91e73c51d32158c4e132fb9b53837c05cb98ff234", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "38f3982b6c3a909d141de3f91e73c51d32158c4e132fb9b53837c05cb98ff234", kill_on_drop: false }`
[INFO] [stdout] 38f3982b6c3a909d141de3f91e73c51d32158c4e132fb9b53837c05cb98ff234