[INFO] cloning repository https://github.com/ward/rusty-butler
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ward/rusty-butler" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fward%2Frusty-butler", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fward%2Frusty-butler'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4cc9f3e84d826385357bcdf99a10990b5a0a3256
[INFO] checking ward/rusty-butler against c60b92c03ca8a3b101eb9d57f51e2232690638c7 for pr-164148-crater-rollup
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fward%2Frusty-butler" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/ward/rusty-butler
[INFO] finished tweaking git repo https://github.com/ward/rusty-butler
[INFO] tweaked toml for git repo https://github.com/ward/rusty-butler written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/ward/rusty-butler on toolchain c60b92c03ca8a3b101eb9d57f51e2232690638c7
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c60b92c03ca8a3b101eb9d57f51e2232690638c7" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/ward/rusty-butler already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c60b92c03ca8a3b101eb9d57f51e2232690638c7" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:77db811e55d90add9212f6832c23229e3de5f1c1f9905e8cb07319ea15df73ac" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] d9368546a2f0311b8ad3ea495a1604c04a62b8937c48f467f25b5aa54d38424a
[INFO] running `Command { std: "docker" "start" "d9368546a2f0311b8ad3ea495a1604c04a62b8937c48f467f25b5aa54d38424a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d9368546a2f0311b8ad3ea495a1604c04a62b8937c48f467f25b5aa54d38424a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "d9368546a2f0311b8ad3ea495a1604c04a62b8937c48f467f25b5aa54d38424a" "/opt/rustwide/cargo-home/bin/cargo" "+c60b92c03ca8a3b101eb9d57f51e2232690638c7" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d9368546a2f0311b8ad3ea495a1604c04a62b8937c48f467f25b5aa54d38424a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-w" "/opt/rustwide/workdir" "--user" "0:0" "d9368546a2f0311b8ad3ea495a1604c04a62b8937c48f467f25b5aa54d38424a" "/opt/rustwide/cargo-home/bin/cargo" "+c60b92c03ca8a3b101eb9d57f51e2232690638c7" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde_core v1.0.228
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[INFO] [stderr]     Checking football v0.2.0 (https://github.com/ward/football#9c93274a)
[INFO] [stderr]     Checking rusty-butler v0.4.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function `read_to_string` is never used
[INFO] [stdout]    --> src/plugins/elo.rs:236:8
[INFO] [stdout]     |
[INFO] [stdout] 236 |     fn read_to_string(path: &str) -> String {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `AliasPlugin` is never constructed
[INFO] [stdout]  --> src/plugins/alias.rs:7:8
[INFO] [stdout]   |
[INFO] [stdout] 7 | struct AliasPlugin {
[INFO] [stdout]   |        ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new` and `rewrite` are never used
[INFO] [stdout]   --> src/plugins/alias.rs:12:8
[INFO] [stdout]    |
[INFO] [stdout] 11 | impl AliasPlugin {
[INFO] [stdout]    | ---------------- associated items in this implementation
[INFO] [stdout] 12 |     fn new(config: &super::config::Config) -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 25 |     fn rewrite(&self, msg: Message) -> Message {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: useless conversion to the same type: `usize` rusty_butler_lib
[INFO] [stdout]   --> src/plugins/leagueranking/mod.rs:89:59
[INFO] [stdout]    |
[INFO] [stdout] 89 | ...                   league.get_ranking_around(pos.into())
[INFO] [stdout]    |                                                 ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this method call relies on the `impl<T> Into<T> for T` blanket implementation and type inference, which is a semver hazard as a new `impl Into<_>` that affects your type might be added in the future causing type inference errors
[INFO] [stdout]    = note: `#[deny(self_type_conversion)]` on by default
[INFO] [stdout] help: consider removing the conversion call
[INFO] [stdout]    |
[INFO] [stdout] 89 -                                 league.get_ranking_around(pos.into())
[INFO] [stdout] 89 +                                 league.get_ranking_around(pos)
[INFO] [stdout]    |
[INFO] [stdout] help: you can use the fully-qualified path to avoid triggering this lint
[INFO] [stdout]    |
[INFO] [stdout] 89 -                                 league.get_ranking_around(pos.into())
[INFO] [stdout] 89 +                                 league.get_ranking_around(<usize as Into<_>>::into(pos))
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: useless conversion to the same type: `usize` rusty_butler_lib
[INFO] [stdout]   --> src/plugins/leagueranking/mod.rs:89:59
[INFO] [stdout]    |
[INFO] [stdout] 89 | ...                   league.get_ranking_around(pos.into())
[INFO] [stdout]    |                                                 ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this method call relies on the `impl<T> Into<T> for T` blanket implementation and type inference, which is a semver hazard as a new `impl Into<_>` that affects your type might be added in the future causing type inference errors
[INFO] [stdout]    = note: `#[deny(self_type_conversion)]` on by default
[INFO] [stdout] help: consider removing the conversion call
[INFO] [stdout]    |
[INFO] [stdout] 89 -                                 league.get_ranking_around(pos.into())
[INFO] [stdout] 89 +                                 league.get_ranking_around(pos)
[INFO] [stdout]    |
[INFO] [stdout] help: you can use the fully-qualified path to avoid triggering this lint
[INFO] [stdout]    |
[INFO] [stdout] 89 -                                 league.get_ranking_around(pos.into())
[INFO] [stdout] 89 +                                 league.get_ranking_around(<usize as Into<_>>::into(pos))
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rusty-butler` (lib test) due to 1 previous error; 1 warning emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `rusty-butler` (lib) due to 1 previous error; 2 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "d9368546a2f0311b8ad3ea495a1604c04a62b8937c48f467f25b5aa54d38424a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d9368546a2f0311b8ad3ea495a1604c04a62b8937c48f467f25b5aa54d38424a", kill_on_drop: false }`
[INFO] [stdout] d9368546a2f0311b8ad3ea495a1604c04a62b8937c48f467f25b5aa54d38424a
