[INFO] cloning repository https://github.com/yanma111/parseconf
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/yanma111/parseconf" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyanma111%2Fparseconf", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyanma111%2Fparseconf'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1332b492e31e1caeedb26b060fa8ec1fe30d9032
[INFO] checking yanma111/parseconf against c60b92c03ca8a3b101eb9d57f51e2232690638c7 for pr-164148-crater-rollup
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyanma111%2Fparseconf" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/yanma111/parseconf
[INFO] finished tweaking git repo https://github.com/yanma111/parseconf
[INFO] tweaked toml for git repo https://github.com/yanma111/parseconf written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/yanma111/parseconf 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/yanma111/parseconf 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] e3e619cfb9a6e86b70632cd3a414f6b74f7d89f028a8981f7f306fb723dac623
[INFO] running `Command { std: "docker" "start" "e3e619cfb9a6e86b70632cd3a414f6b74f7d89f028a8981f7f306fb723dac623", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e3e619cfb9a6e86b70632cd3a414f6b74f7d89f028a8981f7f306fb723dac623", 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" "e3e619cfb9a6e86b70632cd3a414f6b74f7d89f028a8981f7f306fb723dac623" "/opt/rustwide/cargo-home/bin/cargo" "+c60b92c03ca8a3b101eb9d57f51e2232690638c7" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e3e619cfb9a6e86b70632cd3a414f6b74f7d89f028a8981f7f306fb723dac623", 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" "e3e619cfb9a6e86b70632cd3a414f6b74f7d89f028a8981f7f306fb723dac623" "/opt/rustwide/cargo-home/bin/cargo" "+c60b92c03ca8a3b101eb9d57f51e2232690638c7" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]     Checking parseconf v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: useless conversion to the same type: `String` parseconf
[INFO] [stdout]   --> src/main.rs:47:36
[INFO] [stdout]    |
[INFO] [stdout] 47 |                         map.insert(key.into(), Branch::StringValue(val.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] 47 -                         map.insert(key.into(), Branch::StringValue(val.into()));
[INFO] [stdout] 47 +                         map.insert(key, Branch::StringValue(val.into()));
[INFO] [stdout]    |
[INFO] [stdout] help: you can use the fully-qualified path to avoid triggering this lint
[INFO] [stdout]    |
[INFO] [stdout] 47 -                         map.insert(key.into(), Branch::StringValue(val.into()));
[INFO] [stdout] 47 +                         map.insert(<String as Into<_>>::into(key), Branch::StringValue(val.into()));
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: useless conversion to the same type: `String` parseconf
[INFO] [stdout]   --> src/main.rs:51:36
[INFO] [stdout]    |
[INFO] [stdout] 51 |                         map.insert(key.into(), new_branch);
[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] help: consider removing the conversion call
[INFO] [stdout]    |
[INFO] [stdout] 51 -                         map.insert(key.into(), new_branch);
[INFO] [stdout] 51 +                         map.insert(key, new_branch);
[INFO] [stdout]    |
[INFO] [stdout] help: you can use the fully-qualified path to avoid triggering this lint
[INFO] [stdout]    |
[INFO] [stdout] 51 -                         map.insert(key.into(), new_branch);
[INFO] [stdout] 51 +                         map.insert(<String as Into<_>>::into(key), new_branch);
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: useless conversion to the same type: `String` parseconf
[INFO] [stdout]   --> src/main.rs:47:36
[INFO] [stdout]    |
[INFO] [stdout] 47 |                         map.insert(key.into(), Branch::StringValue(val.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] 47 -                         map.insert(key.into(), Branch::StringValue(val.into()));
[INFO] [stdout] 47 +                         map.insert(key, Branch::StringValue(val.into()));
[INFO] [stdout]    |
[INFO] [stdout] help: you can use the fully-qualified path to avoid triggering this lint
[INFO] [stdout]    |
[INFO] [stdout] 47 -                         map.insert(key.into(), Branch::StringValue(val.into()));
[INFO] [stdout] 47 +                         map.insert(<String as Into<_>>::into(key), Branch::StringValue(val.into()));
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: useless conversion to the same type: `String` parseconf
[INFO] [stdout]   --> src/main.rs:51:36
[INFO] [stdout]    |
[INFO] [stdout] 51 |                         map.insert(key.into(), new_branch);
[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] help: consider removing the conversion call
[INFO] [stdout]    |
[INFO] [stdout] 51 -                         map.insert(key.into(), new_branch);
[INFO] [stdout] 51 +                         map.insert(key, new_branch);
[INFO] [stdout]    |
[INFO] [stdout] help: you can use the fully-qualified path to avoid triggering this lint
[INFO] [stdout]    |
[INFO] [stdout] 51 -                         map.insert(key.into(), new_branch);
[INFO] [stdout] 51 +                         map.insert(<String as Into<_>>::into(key), new_branch);
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `parseconf` (bin "parseconf") due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `parseconf` (bin "parseconf" test) due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "e3e619cfb9a6e86b70632cd3a414f6b74f7d89f028a8981f7f306fb723dac623", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e3e619cfb9a6e86b70632cd3a414f6b74f7d89f028a8981f7f306fb723dac623", kill_on_drop: false }`
[INFO] [stdout] e3e619cfb9a6e86b70632cd3a414f6b74f7d89f028a8981f7f306fb723dac623
