[INFO] cloning repository https://github.com/Xzyaihni/rustcsvthingy
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Xzyaihni/rustcsvthingy" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FXzyaihni%2Frustcsvthingy", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FXzyaihni%2Frustcsvthingy'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 808ef854ffd02416657ea50103c620308685c9d9
[INFO] checking Xzyaihni/rustcsvthingy against master#e4106065bf1bb515935d5d024e8d9c86454e2b22 for pr-112160
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FXzyaihni%2Frustcsvthingy" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Xzyaihni/rustcsvthingy on toolchain e4106065bf1bb515935d5d024e8d9c86454e2b22
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+e4106065bf1bb515935d5d024e8d9c86454e2b22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Xzyaihni/rustcsvthingy
[INFO] finished tweaking git repo https://github.com/Xzyaihni/rustcsvthingy
[INFO] tweaked toml for git repo https://github.com/Xzyaihni/rustcsvthingy written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/Xzyaihni/rustcsvthingy 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" "+e4106065bf1bb515935d5d024e8d9c86454e2b22" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:19e73879b68f455e41552ea35293514db52ea292d993f571636dbffedb77a1ee" "/opt/rustwide/cargo-home/bin/cargo" "+e4106065bf1bb515935d5d024e8d9c86454e2b22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bda944623d40595f9ca7c78c1999bac14d27f99b3962fc52cf348281f07dd1cd
[INFO] running `Command { std: "docker" "start" "-a" "bda944623d40595f9ca7c78c1999bac14d27f99b3962fc52cf348281f07dd1cd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bda944623d40595f9ca7c78c1999bac14d27f99b3962fc52cf348281f07dd1cd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bda944623d40595f9ca7c78c1999bac14d27f99b3962fc52cf348281f07dd1cd", kill_on_drop: false }`
[INFO] [stdout] bda944623d40595f9ca7c78c1999bac14d27f99b3962fc52cf348281f07dd1cd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:19e73879b68f455e41552ea35293514db52ea292d993f571636dbffedb77a1ee" "/opt/rustwide/cargo-home/bin/cargo" "+e4106065bf1bb515935d5d024e8d9c86454e2b22" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 22cdd309343e1eef2d004ad92c550d8f58222fe926efe18772c5363917fb8612
[INFO] running `Command { std: "docker" "start" "-a" "22cdd309343e1eef2d004ad92c550d8f58222fe926efe18772c5363917fb8612", kill_on_drop: false }`
[INFO] [stderr]     Checking quizanalyze v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: using `.clone()` on a double reference, which returns `&str` instead of cloning the inner type
[INFO] [stdout]    --> src/lib.rs:298:47
[INFO] [stdout]     |
[INFO] [stdout] 298 |     replies.filter(|choice| mapping.get(choice.clone()).is_some())
[INFO] [stdout]     |                                               ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(suspicious_double_ref_op)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `.clone()` on a double reference, which returns `&str` instead of cloning the inner type
[INFO] [stdout]    --> src/lib.rs:310:38
[INFO] [stdout]     |
[INFO] [stdout] 310 |         let other = mapping.get(other.clone());
[INFO] [stdout]     |                                      ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `.clone()` on a double reference, which returns `&str` instead of cloning the inner type
[INFO] [stdout]    --> src/lib.rs:311:42
[INFO] [stdout]     |
[INFO] [stdout] 311 |         let current = mapping.get(current.clone());
[INFO] [stdout]     |                                          ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `.clone()` on a double reference, which returns `&str` instead of cloning the inner type
[INFO] [stdout]    --> src/lib.rs:298:47
[INFO] [stdout]     |
[INFO] [stdout] 298 |     replies.filter(|choice| mapping.get(choice.clone()).is_some())
[INFO] [stdout]     |                                               ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(suspicious_double_ref_op)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `.clone()` on a double reference, which returns `&str` instead of cloning the inner type
[INFO] [stdout]    --> src/lib.rs:310:38
[INFO] [stdout]     |
[INFO] [stdout] 310 |         let other = mapping.get(other.clone());
[INFO] [stdout]     |                                      ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `.clone()` on a double reference, which returns `&str` instead of cloning the inner type
[INFO] [stdout]    --> src/lib.rs:311:42
[INFO] [stdout]     |
[INFO] [stdout] 311 |         let current = mapping.get(current.clone());
[INFO] [stdout]     |                                          ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.16s
[INFO] running `Command { std: "docker" "inspect" "22cdd309343e1eef2d004ad92c550d8f58222fe926efe18772c5363917fb8612", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "22cdd309343e1eef2d004ad92c550d8f58222fe926efe18772c5363917fb8612", kill_on_drop: false }`
[INFO] [stdout] 22cdd309343e1eef2d004ad92c550d8f58222fe926efe18772c5363917fb8612