[INFO] fetching crate dotavious 0.2.1...
[INFO] checking dotavious-0.2.1 against a5689b034ad287112f709693384a37f1377eb9cc for pr-129249-3
[INFO] extracting crate dotavious 0.2.1 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate dotavious 0.2.1
[INFO] finished tweaking crates.io crate dotavious 0.2.1
[INFO] tweaked toml for crates.io crate dotavious 0.2.1 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate dotavious 0.2.1 on toolchain a5689b034ad287112f709693384a37f1377eb9cc
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a5689b034ad287112f709693384a37f1377eb9cc" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a5689b034ad287112f709693384a37f1377eb9cc" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 3 packages to highest compatible versions
[INFO] [stderr]       Adding indexmap v1.9.3 (available: v2.14.2)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a5689b034ad287112f709693384a37f1377eb9cc" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 25107154a6fce27d0c46d07e55e0060d447978f28527c316b52df84375cb4b0f
[INFO] running `Command { std: "docker" "start" "25107154a6fce27d0c46d07e55e0060d447978f28527c316b52df84375cb4b0f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "25107154a6fce27d0c46d07e55e0060d447978f28527c316b52df84375cb4b0f", 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" "25107154a6fce27d0c46d07e55e0060d447978f28527c316b52df84375cb4b0f" "/opt/rustwide/cargo-home/bin/cargo" "+a5689b034ad287112f709693384a37f1377eb9cc" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "25107154a6fce27d0c46d07e55e0060d447978f28527c316b52df84375cb4b0f", 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" "25107154a6fce27d0c46d07e55e0060d447978f28527c316b52df84375cb4b0f" "/opt/rustwide/cargo-home/bin/cargo" "+a5689b034ad287112f709693384a37f1377eb9cc" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]     Checking hashbrown v0.12.3
[INFO] [stderr]     Checking dotavious v0.2.1 (/opt/rustwide/workdir)
[INFO] [stdout] error: useless conversion to the same type: `Cow<'_, str>`
[INFO] [stdout]   --> src/attributes/port_position.rs:33:41
[INFO] [stdout]    |
[INFO] [stdout] 33 |             PortPosition::Compass(p) => p.dot_string().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] 33 -             PortPosition::Compass(p) => p.dot_string().into(),
[INFO] [stdout] 33 +             PortPosition::Compass(p) => p.dot_string(),
[INFO] [stdout]    |
[INFO] [stdout] help: you can use the fully-qualified path to avoid triggering this lint
[INFO] [stdout]    |
[INFO] [stdout] 33 -             PortPosition::Compass(p) => p.dot_string().into(),
[INFO] [stdout] 33 +             PortPosition::Compass(p) => <Cow<'_, str> as Into<_>>::into(p.dot_string()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: useless conversion to the same type: `Option<AttributeText<'_>>`
[INFO] [stdout]    --> src/dot.rs:435:17
[INFO] [stdout]     |
[INFO] [stdout] 435 |             id: self.id.to_owned().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] help: consider removing the conversion call
[INFO] [stdout]     |
[INFO] [stdout] 435 -             id: self.id.to_owned().into(),
[INFO] [stdout] 435 +             id: self.id.to_owned(),
[INFO] [stdout]     |
[INFO] [stdout] help: you can use the fully-qualified path to avoid triggering this lint
[INFO] [stdout]     |
[INFO] [stdout] 435 -             id: self.id.to_owned().into(),
[INFO] [stdout] 435 +             id: <Option<AttributeText<'_>> as Into<_>>::into(self.id.to_owned()),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: eliding a lifetime that's named elsewhere is confusing
[INFO] [stdout]    --> src/attributes/mod.rs:919:10
[INFO] [stdout]     |
[INFO] [stdout] 917 |         &'a mut self,
[INFO] [stdout]     |          -- the lifetime is named here
[INFO] [stdout] 918 |         attributes: HashMap<String, AttributeText<'a>>,
[INFO] [stdout]     |                                                   -- the lifetime is named here
[INFO] [stdout] 919 |     ) -> &mut Self;
[INFO] [stdout]     |          ^^^^^^^^^ the same lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: consistently use `'a`
[INFO] [stdout]     |
[INFO] [stdout] 919 |     ) -> &'a mut Self;
[INFO] [stdout]     |           ++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: eliding a lifetime that's named elsewhere is confusing
[INFO] [stdout]    --> src/attributes/mod.rs:940:10
[INFO] [stdout]     |
[INFO] [stdout] 938 |         &'a mut self,
[INFO] [stdout]     |          -- the lifetime is named here
[INFO] [stdout] 939 |         attributes: HashMap<String, AttributeText<'a>>,
[INFO] [stdout]     |                                                   -- the lifetime is named here
[INFO] [stdout] 940 |     ) -> &mut Self {
[INFO] [stdout]     |          ^^^^^^^^^ the same lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: consistently use `'a`
[INFO] [stdout]     |
[INFO] [stdout] 940 |     ) -> &'a mut Self {
[INFO] [stdout]     |           ++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: eliding a lifetime that's named elsewhere is confusing
[INFO] [stdout]     --> src/attributes/mod.rs:1562:10
[INFO] [stdout]      |
[INFO] [stdout] 1560 |         &'a mut self,
[INFO] [stdout]      |          -- the lifetime is named here
[INFO] [stdout] 1561 |         attributes: HashMap<String, AttributeText<'a>>,
[INFO] [stdout]      |                                                   -- the lifetime is named here
[INFO] [stdout] 1562 |     ) -> &mut Self;
[INFO] [stdout]      |          ^^^^^^^^^ the same lifetime is elided here
[INFO] [stdout]      |
[INFO] [stdout]      = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: consistently use `'a`
[INFO] [stdout]      |
[INFO] [stdout] 1562 |     ) -> &'a mut Self;
[INFO] [stdout]      |           ++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: eliding a lifetime that's named elsewhere is confusing
[INFO] [stdout]    --> src/dot.rs:667:10
[INFO] [stdout]     |
[INFO] [stdout] 665 |         &'a mut self,
[INFO] [stdout]     |          -- the lifetime is named here
[INFO] [stdout] 666 |         attributes: HashMap<String, AttributeText<'a>>,
[INFO] [stdout]     |                                                   -- the lifetime is named here
[INFO] [stdout] 667 |     ) -> &mut Self {
[INFO] [stdout]     |          ^^^^^^^^^ the same lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: consistently use `'a`
[INFO] [stdout]     |
[INFO] [stdout] 667 |     ) -> &'a mut Self {
[INFO] [stdout]     |           ++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: eliding a lifetime that's named elsewhere is confusing
[INFO] [stdout]    --> src/dot.rs:835:10
[INFO] [stdout]     |
[INFO] [stdout] 833 |         &'a mut self,
[INFO] [stdout]     |          -- the lifetime is named here
[INFO] [stdout] 834 |         attributes: HashMap<String, AttributeText<'a>>,
[INFO] [stdout]     |                                                   -- the lifetime is named here
[INFO] [stdout] 835 |     ) -> &mut Self {
[INFO] [stdout]     |          ^^^^^^^^^ the same lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: consistently use `'a`
[INFO] [stdout]     |
[INFO] [stdout] 835 |     ) -> &'a mut Self {
[INFO] [stdout]     |           ++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: eliding a lifetime that's named elsewhere is confusing
[INFO] [stdout]    --> src/dot.rs:873:10
[INFO] [stdout]     |
[INFO] [stdout] 871 |         &'a mut self,
[INFO] [stdout]     |          -- the lifetime is named here
[INFO] [stdout] 872 |         attributes: HashMap<String, AttributeText<'a>>,
[INFO] [stdout]     |                                                   -- the lifetime is named here
[INFO] [stdout] 873 |     ) -> &mut Self {
[INFO] [stdout]     |          ^^^^^^^^^ the same lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: consistently use `'a`
[INFO] [stdout]     |
[INFO] [stdout] 873 |     ) -> &'a mut Self {
[INFO] [stdout]     |           ++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `dotavious` (lib) due to 2 previous errors; 6 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: useless conversion to the same type: `Cow<'_, str>`
[INFO] [stdout]   --> src/attributes/port_position.rs:33:41
[INFO] [stdout]    |
[INFO] [stdout] 33 |             PortPosition::Compass(p) => p.dot_string().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] 33 -             PortPosition::Compass(p) => p.dot_string().into(),
[INFO] [stdout] 33 +             PortPosition::Compass(p) => p.dot_string(),
[INFO] [stdout]    |
[INFO] [stdout] help: you can use the fully-qualified path to avoid triggering this lint
[INFO] [stdout]    |
[INFO] [stdout] 33 -             PortPosition::Compass(p) => p.dot_string().into(),
[INFO] [stdout] 33 +             PortPosition::Compass(p) => <Cow<'_, str> as Into<_>>::into(p.dot_string()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: useless conversion to the same type: `Option<AttributeText<'_>>`
[INFO] [stdout]    --> src/dot.rs:435:17
[INFO] [stdout]     |
[INFO] [stdout] 435 |             id: self.id.to_owned().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] help: consider removing the conversion call
[INFO] [stdout]     |
[INFO] [stdout] 435 -             id: self.id.to_owned().into(),
[INFO] [stdout] 435 +             id: self.id.to_owned(),
[INFO] [stdout]     |
[INFO] [stdout] help: you can use the fully-qualified path to avoid triggering this lint
[INFO] [stdout]     |
[INFO] [stdout] 435 -             id: self.id.to_owned().into(),
[INFO] [stdout] 435 +             id: <Option<AttributeText<'_>> as Into<_>>::into(self.id.to_owned()),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: eliding a lifetime that's named elsewhere is confusing
[INFO] [stdout]    --> src/attributes/mod.rs:919:10
[INFO] [stdout]     |
[INFO] [stdout] 917 |         &'a mut self,
[INFO] [stdout]     |          -- the lifetime is named here
[INFO] [stdout] 918 |         attributes: HashMap<String, AttributeText<'a>>,
[INFO] [stdout]     |                                                   -- the lifetime is named here
[INFO] [stdout] 919 |     ) -> &mut Self;
[INFO] [stdout]     |          ^^^^^^^^^ the same lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: consistently use `'a`
[INFO] [stdout]     |
[INFO] [stdout] 919 |     ) -> &'a mut Self;
[INFO] [stdout]     |           ++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: eliding a lifetime that's named elsewhere is confusing
[INFO] [stdout]    --> src/attributes/mod.rs:940:10
[INFO] [stdout]     |
[INFO] [stdout] 938 |         &'a mut self,
[INFO] [stdout]     |          -- the lifetime is named here
[INFO] [stdout] 939 |         attributes: HashMap<String, AttributeText<'a>>,
[INFO] [stdout]     |                                                   -- the lifetime is named here
[INFO] [stdout] 940 |     ) -> &mut Self {
[INFO] [stdout]     |          ^^^^^^^^^ the same lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: consistently use `'a`
[INFO] [stdout]     |
[INFO] [stdout] 940 |     ) -> &'a mut Self {
[INFO] [stdout]     |           ++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: eliding a lifetime that's named elsewhere is confusing
[INFO] [stdout]     --> src/attributes/mod.rs:1562:10
[INFO] [stdout]      |
[INFO] [stdout] 1560 |         &'a mut self,
[INFO] [stdout]      |          -- the lifetime is named here
[INFO] [stdout] 1561 |         attributes: HashMap<String, AttributeText<'a>>,
[INFO] [stdout]      |                                                   -- the lifetime is named here
[INFO] [stdout] 1562 |     ) -> &mut Self;
[INFO] [stdout]      |          ^^^^^^^^^ the same lifetime is elided here
[INFO] [stdout]      |
[INFO] [stdout]      = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: consistently use `'a`
[INFO] [stdout]      |
[INFO] [stdout] 1562 |     ) -> &'a mut Self;
[INFO] [stdout]      |           ++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: eliding a lifetime that's named elsewhere is confusing
[INFO] [stdout]    --> src/dot.rs:667:10
[INFO] [stdout]     |
[INFO] [stdout] 665 |         &'a mut self,
[INFO] [stdout]     |          -- the lifetime is named here
[INFO] [stdout] 666 |         attributes: HashMap<String, AttributeText<'a>>,
[INFO] [stdout]     |                                                   -- the lifetime is named here
[INFO] [stdout] 667 |     ) -> &mut Self {
[INFO] [stdout]     |          ^^^^^^^^^ the same lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: consistently use `'a`
[INFO] [stdout]     |
[INFO] [stdout] 667 |     ) -> &'a mut Self {
[INFO] [stdout]     |           ++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: eliding a lifetime that's named elsewhere is confusing
[INFO] [stdout]    --> src/dot.rs:835:10
[INFO] [stdout]     |
[INFO] [stdout] 833 |         &'a mut self,
[INFO] [stdout]     |          -- the lifetime is named here
[INFO] [stdout] 834 |         attributes: HashMap<String, AttributeText<'a>>,
[INFO] [stdout]     |                                                   -- the lifetime is named here
[INFO] [stdout] 835 |     ) -> &mut Self {
[INFO] [stdout]     |          ^^^^^^^^^ the same lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: consistently use `'a`
[INFO] [stdout]     |
[INFO] [stdout] 835 |     ) -> &'a mut Self {
[INFO] [stdout]     |           ++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: eliding a lifetime that's named elsewhere is confusing
[INFO] [stdout]    --> src/dot.rs:873:10
[INFO] [stdout]     |
[INFO] [stdout] 871 |         &'a mut self,
[INFO] [stdout]     |          -- the lifetime is named here
[INFO] [stdout] 872 |         attributes: HashMap<String, AttributeText<'a>>,
[INFO] [stdout]     |                                                   -- the lifetime is named here
[INFO] [stdout] 873 |     ) -> &mut Self {
[INFO] [stdout]     |          ^^^^^^^^^ the same lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: consistently use `'a`
[INFO] [stdout]     |
[INFO] [stdout] 873 |     ) -> &'a mut Self {
[INFO] [stdout]     |           ++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `dotavious` (lib test) due to 2 previous errors; 6 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "25107154a6fce27d0c46d07e55e0060d447978f28527c316b52df84375cb4b0f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "25107154a6fce27d0c46d07e55e0060d447978f28527c316b52df84375cb4b0f", kill_on_drop: false }`
[INFO] [stdout] 25107154a6fce27d0c46d07e55e0060d447978f28527c316b52df84375cb4b0f
