[INFO] cloning repository https://github.com/NightBlues/flibot
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/NightBlues/flibot" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNightBlues%2Fflibot", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNightBlues%2Fflibot'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b1a262ac4b87d98c084c86d7da0a712d00dee2c3
[INFO] checking NightBlues/flibot against try#f4690f24e7d9bcb0b168a02b06dd61391e8bd55a for pr-157814-crater-rollup
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNightBlues%2Fflibot" "/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/NightBlues/flibot
[INFO] finished tweaking git repo https://github.com/NightBlues/flibot
[INFO] tweaked toml for git repo https://github.com/NightBlues/flibot written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/NightBlues/flibot on toolchain f4690f24e7d9bcb0b168a02b06dd61391e8bd55a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f4690f24e7d9bcb0b168a02b06dd61391e8bd55a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/NightBlues/flibot 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" "+f4690f24e7d9bcb0b168a02b06dd61391e8bd55a" "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@sha256:7cf07dcec6eec8f91d8fcff9552b5c74122c05467aaf1800be6da9d6f61e2ab2" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 61d75901d0a02c95aaed323ab52772242a205025df8e4c357bd99293154e16e4
[INFO] running `Command { std: "docker" "start" "61d75901d0a02c95aaed323ab52772242a205025df8e4c357bd99293154e16e4", 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" "61d75901d0a02c95aaed323ab52772242a205025df8e4c357bd99293154e16e4" "/opt/rustwide/cargo-home/bin/cargo" "+f4690f24e7d9bcb0b168a02b06dd61391e8bd55a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "61d75901d0a02c95aaed323ab52772242a205025df8e4c357bd99293154e16e4", 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" "61d75901d0a02c95aaed323ab52772242a205025df8e4c357bd99293154e16e4" "/opt/rustwide/cargo-home/bin/cargo" "+f4690f24e7d9bcb0b168a02b06dd61391e8bd55a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
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[INFO] [stdout] warning: useless conversion to the same type: `Vec<(std::string::String, std::string::String)>`
[INFO] [stdout]   --> src/fetcher.rs:76:39
[INFO] [stdout]    |
[INFO] [stdout] 76 |     let query : Vec<(String, String)> = vec![
[INFO] [stdout]    |  _______________________________________^
[INFO] [stdout] 77 | |     ("ask".into(), search),
[INFO] [stdout] 78 | |     ("cha".into(), "on".into()),
[INFO] [stdout] 79 | |     ("chb".into(), "on".into())
[INFO] [stdout] 80 | |   ].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: you can instead use the fully-qualified path `<Vec<(std::string::String, std::string::String)> as Into<Vec<(std::string::String, std::string::String)>>::into(val) to avoid triggering this lint
[INFO] [stdout]    = note: `#[warn(self_type_conversion)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: useless conversion to the same type: `Vec<(std::string::String, std::string::String)>`
[INFO] [stdout]   --> src/fetcher.rs:76:39
[INFO] [stdout]    |
[INFO] [stdout] 76 |     let query : Vec<(String, String)> = vec![
[INFO] [stdout]    |  _______________________________________^
[INFO] [stdout] 77 | |     ("ask".into(), search),
[INFO] [stdout] 78 | |     ("cha".into(), "on".into()),
[INFO] [stdout] 79 | |     ("chb".into(), "on".into())
[INFO] [stdout] 80 | |   ].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: you can instead use the fully-qualified path `<Vec<(std::string::String, std::string::String)> as Into<Vec<(std::string::String, std::string::String)>>::into(val) to avoid triggering this lint
[INFO] [stdout]    = note: `#[warn(self_type_conversion)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 27s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: html5ever v0.25.1
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 2`
[INFO] running `Command { std: "docker" "inspect" "61d75901d0a02c95aaed323ab52772242a205025df8e4c357bd99293154e16e4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "61d75901d0a02c95aaed323ab52772242a205025df8e4c357bd99293154e16e4", kill_on_drop: false }`
[INFO] [stdout] 61d75901d0a02c95aaed323ab52772242a205025df8e4c357bd99293154e16e4
