[INFO] fetching crate serde-alter 0.1.0...
[INFO] checking serde-alter-0.1.0 against a5689b034ad287112f709693384a37f1377eb9cc for pr-129249-3
[INFO] extracting crate serde-alter 0.1.0 into /workspace/builds/worker-2-tc2/source
[INFO] started tweaking crates.io crate serde-alter 0.1.0
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate serde-alter 0.1.0
[INFO] tweaked toml for crates.io crate serde-alter 0.1.0 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate serde-alter 0.1.0 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] crate crates.io crate serde-alter 0.1.0 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" "+a5689b034ad287112f709693384a37f1377eb9cc" "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] 065bbae62c0d1ec886fcd9e7489b81cb1291a0ddee8a269174238e4d4824486b
[INFO] running `Command { std: "docker" "start" "065bbae62c0d1ec886fcd9e7489b81cb1291a0ddee8a269174238e4d4824486b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "065bbae62c0d1ec886fcd9e7489b81cb1291a0ddee8a269174238e4d4824486b", 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" "065bbae62c0d1ec886fcd9e7489b81cb1291a0ddee8a269174238e4d4824486b" "/opt/rustwide/cargo-home/bin/cargo" "+a5689b034ad287112f709693384a37f1377eb9cc" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "065bbae62c0d1ec886fcd9e7489b81cb1291a0ddee8a269174238e4d4824486b", 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" "065bbae62c0d1ec886fcd9e7489b81cb1291a0ddee8a269174238e4d4824486b" "/opt/rustwide/cargo-home/bin/cargo" "+a5689b034ad287112f709693384a37f1377eb9cc" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.106
[INFO] [stderr]    Compiling quote v1.0.44
[INFO] [stderr]    Compiling serde_core v1.0.228
[INFO] [stderr]     Checking memchr v2.7.6
[INFO] [stderr]    Compiling syn v2.0.114
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]     Checking serde_json v1.0.149
[INFO] [stderr]     Checking serde v1.0.228
[INFO] [stderr]     Checking serde-alter v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: useless conversion to the same type: `&str`
[INFO] [stdout]   --> examples/test/mod.rs:42:19
[INFO] [stdout]    |
[INFO] [stdout] 42 |             base: "main base value".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] 42 -             base: "main base value".into(),
[INFO] [stdout] 42 +             base: "main base value",
[INFO] [stdout]    |
[INFO] [stdout] help: you can use the fully-qualified path to avoid triggering this lint
[INFO] [stdout]    |
[INFO] [stdout] 42 -             base: "main base value".into(),
[INFO] [stdout] 42 +             base: <&str as Into<_>>::into("main base value"),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: useless conversion to the same type: `&str`
[INFO] [stdout]   --> examples/test/mod.rs:42:19
[INFO] [stdout]    |
[INFO] [stdout] 42 |             base: "main base value".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] 42 -             base: "main base value".into(),
[INFO] [stdout] 42 +             base: "main base value",
[INFO] [stdout]    |
[INFO] [stdout] help: you can use the fully-qualified path to avoid triggering this lint
[INFO] [stdout]    |
[INFO] [stdout] 42 -             base: "main base value".into(),
[INFO] [stdout] 42 +             base: <&str as Into<_>>::into("main base value"),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: useless conversion to the same type: `test::Outer<Z>`
[INFO] [stdout]   --> examples/test/mod.rs:46:18
[INFO] [stdout]    |
[INFO] [stdout] 46 |             one: Outer::default().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] 46 -             one: Outer::default().into(),
[INFO] [stdout] 46 +             one: Outer::default(),
[INFO] [stdout]    |
[INFO] [stdout] help: you can use the fully-qualified path to avoid triggering this lint
[INFO] [stdout]    |
[INFO] [stdout] 46 -             one: Outer::default().into(),
[INFO] [stdout] 46 +             one: <test::Outer<Z> as Into<_>>::into(Outer::default()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: useless conversion to the same type: `&str`
[INFO] [stdout]   --> examples/test/mod.rs:57:19
[INFO] [stdout]    |
[INFO] [stdout] 57 |             base: "outer base value".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] 57 -             base: "outer base value".into(),
[INFO] [stdout] 57 +             base: "outer base value",
[INFO] [stdout]    |
[INFO] [stdout] help: you can use the fully-qualified path to avoid triggering this lint
[INFO] [stdout]    |
[INFO] [stdout] 57 -             base: "outer base value".into(),
[INFO] [stdout] 57 +             base: <&str as Into<_>>::into("outer base value"),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: useless conversion to the same type: `test::Inner<Z>`
[INFO] [stdout]   --> examples/test/mod.rs:61:18
[INFO] [stdout]    |
[INFO] [stdout] 61 |             one: Inner::default().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] 61 -             one: Inner::default().into(),
[INFO] [stdout] 61 +             one: Inner::default(),
[INFO] [stdout]    |
[INFO] [stdout] help: you can use the fully-qualified path to avoid triggering this lint
[INFO] [stdout]    |
[INFO] [stdout] 61 -             one: Inner::default().into(),
[INFO] [stdout] 61 +             one: <test::Inner<Z> as Into<_>>::into(Inner::default()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: useless conversion to the same type: `&str`
[INFO] [stdout]   --> examples/test/mod.rs:72:19
[INFO] [stdout]    |
[INFO] [stdout] 72 |             base: "inner base value".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] 72 -             base: "inner base value".into(),
[INFO] [stdout] 72 +             base: "inner base value",
[INFO] [stdout]    |
[INFO] [stdout] help: you can use the fully-qualified path to avoid triggering this lint
[INFO] [stdout]    |
[INFO] [stdout] 72 -             base: "inner base value".into(),
[INFO] [stdout] 72 +             base: <&str as Into<_>>::into("inner base value"),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: useless conversion to the same type: `test::Outer<Z>`
[INFO] [stdout]   --> examples/test/mod.rs:46:18
[INFO] [stdout]    |
[INFO] [stdout] 46 |             one: Outer::default().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] 46 -             one: Outer::default().into(),
[INFO] [stdout] 46 +             one: Outer::default(),
[INFO] [stdout]    |
[INFO] [stdout] help: you can use the fully-qualified path to avoid triggering this lint
[INFO] [stdout]    |
[INFO] [stdout] 46 -             one: Outer::default().into(),
[INFO] [stdout] 46 +             one: <test::Outer<Z> as Into<_>>::into(Outer::default()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: useless conversion to the same type: `&str`
[INFO] [stdout]   --> examples/test/mod.rs:57:19
[INFO] [stdout]    |
[INFO] [stdout] 57 |             base: "outer base value".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] 57 -             base: "outer base value".into(),
[INFO] [stdout] 57 +             base: "outer base value",
[INFO] [stdout]    |
[INFO] [stdout] help: you can use the fully-qualified path to avoid triggering this lint
[INFO] [stdout]    |
[INFO] [stdout] 57 -             base: "outer base value".into(),
[INFO] [stdout] 57 +             base: <&str as Into<_>>::into("outer base value"),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: useless conversion to the same type: `test::Inner<Z>`
[INFO] [stdout]   --> examples/test/mod.rs:61:18
[INFO] [stdout]    |
[INFO] [stdout] 61 |             one: Inner::default().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] 61 -             one: Inner::default().into(),
[INFO] [stdout] 61 +             one: Inner::default(),
[INFO] [stdout]    |
[INFO] [stdout] help: you can use the fully-qualified path to avoid triggering this lint
[INFO] [stdout]    |
[INFO] [stdout] 61 -             one: Inner::default().into(),
[INFO] [stdout] 61 +             one: <test::Inner<Z> as Into<_>>::into(Inner::default()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: useless conversion to the same type: `&str`
[INFO] [stdout]   --> examples/test/mod.rs:72:19
[INFO] [stdout]    |
[INFO] [stdout] 72 |             base: "inner base value".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] 72 -             base: "inner base value".into(),
[INFO] [stdout] 72 +             base: "inner base value",
[INFO] [stdout]    |
[INFO] [stdout] help: you can use the fully-qualified path to avoid triggering this lint
[INFO] [stdout]    |
[INFO] [stdout] 72 -             base: "inner base value".into(),
[INFO] [stdout] 72 +             base: <&str as Into<_>>::into("inner base value"),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `serde-alter` (example "obliterate" test) due to 5 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `serde-alter` (example "obfuscate" test) due to 5 previous errors
[INFO] running `Command { std: "docker" "inspect" "065bbae62c0d1ec886fcd9e7489b81cb1291a0ddee8a269174238e4d4824486b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "065bbae62c0d1ec886fcd9e7489b81cb1291a0ddee8a269174238e4d4824486b", kill_on_drop: false }`
[INFO] [stdout] 065bbae62c0d1ec886fcd9e7489b81cb1291a0ddee8a269174238e4d4824486b
