[INFO] cloning repository https://github.com/xldenis/serde-implicit
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/xldenis/serde-implicit" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fxldenis%2Fserde-implicit", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fxldenis%2Fserde-implicit'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] afeaa39a592742e94b9cf7f23e725d4cbaf353d0
[INFO] checking xldenis/serde-implicit against a5689b034ad287112f709693384a37f1377eb9cc for pr-129249-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fxldenis%2Fserde-implicit" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/xldenis/serde-implicit
[INFO] finished tweaking git repo https://github.com/xldenis/serde-implicit
[INFO] tweaked toml for git repo https://github.com/xldenis/serde-implicit written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/xldenis/serde-implicit 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 git repo https://github.com/xldenis/serde-implicit 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-3-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] a1d8a7287cac0655a476d95c35b0abe2d9d169c6303f6554b271bfea1c1ae9d8
[INFO] running `Command { std: "docker" "start" "a1d8a7287cac0655a476d95c35b0abe2d9d169c6303f6554b271bfea1c1ae9d8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a1d8a7287cac0655a476d95c35b0abe2d9d169c6303f6554b271bfea1c1ae9d8", 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" "a1d8a7287cac0655a476d95c35b0abe2d9d169c6303f6554b271bfea1c1ae9d8" "/opt/rustwide/cargo-home/bin/cargo" "+a5689b034ad287112f709693384a37f1377eb9cc" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a1d8a7287cac0655a476d95c35b0abe2d9d169c6303f6554b271bfea1c1ae9d8", 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" "a1d8a7287cac0655a476d95c35b0abe2d9d169c6303f6554b271bfea1c1ae9d8" "/opt/rustwide/cargo-home/bin/cargo" "+a5689b034ad287112f709693384a37f1377eb9cc" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.183
[INFO] [stderr]    Compiling serde_core v1.0.228
[INFO] [stderr]    Compiling zerocopy v0.8.47
[INFO] [stderr]    Compiling syn v2.0.117
[INFO] [stderr]     Checking bitflags v2.11.0
[INFO] [stderr]     Checking once_cell v1.21.4
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling target-triple v1.0.0
[INFO] [stderr]     Checking rustix v1.1.4
[INFO] [stderr]     Checking winnow v1.0.0
[INFO] [stderr]     Checking memchr v2.8.0
[INFO] [stderr]     Checking toml_parser v1.0.10+spec-1.1.0
[INFO] [stderr]     Checking serde_json v1.0.149
[INFO] [stderr]     Checking toml_datetime v1.0.1+spec-1.1.0
[INFO] [stderr]     Checking serde_spanned v1.0.4
[INFO] [stderr]     Checking arbitrary v1.4.2
[INFO] [stderr]     Checking toml_writer v1.0.7+spec-1.1.0
[INFO] [stderr]     Checking unicode-ident v1.0.24
[INFO] [stderr]     Checking proc-macro2 v1.0.106
[INFO] [stderr]     Checking getrandom v0.3.4
[INFO] [stderr]     Checking rand_core v0.9.5
[INFO] [stderr]     Checking getrandom v0.4.2
[INFO] [stderr]     Checking wait-timeout v0.2.1
[INFO] [stderr]     Checking rand_xorshift v0.4.0
[INFO] [stderr]     Checking rand v0.9.2
[INFO] [stderr]     Checking toml v1.0.7+spec-1.1.0
[INFO] [stderr]     Checking glob v0.3.3
[INFO] [stderr]     Checking arbitrary-json v0.1.1
[INFO] [stderr]     Checking quote v1.0.45
[INFO] [stderr]     Checking tempfile v3.27.0
[INFO] [stderr]     Checking rusty-fork v0.3.1
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling proptest-derive v0.5.1
[INFO] [stderr]     Checking ppv-lite86 v0.2.21
[INFO] [stderr]     Checking rand_chacha v0.9.0
[INFO] [stderr]     Checking proptest v1.10.0
[INFO] [stderr]     Checking serde v1.0.228
[INFO] [stderr]     Checking proptest-arbitrary-interop v0.1.0
[INFO] [stderr]     Checking serde-implicit-proc v0.3.1 (/opt/rustwide/workdir/serde-implicit-proc)
[INFO] [stderr]     Checking trybuild v1.0.116
[INFO] [stderr]     Checking serde-implicit v0.3.1 (/opt/rustwide/workdir/serde-implicit)
[INFO] [stdout] error: useless conversion to the same type: `&str`
[INFO] [stdout]    --> serde-implicit/src/private.rs:127:58
[INFO] [stdout]     |
[INFO] [stdout] 127 |             (None, None) => Err(de::Error::missing_field("tag was not found".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] 127 -             (None, None) => Err(de::Error::missing_field("tag was not found".into())),
[INFO] [stdout] 127 +             (None, None) => Err(de::Error::missing_field("tag was not found")),
[INFO] [stdout]     |
[INFO] [stdout] help: you can use the fully-qualified path to avoid triggering this lint
[INFO] [stdout]     |
[INFO] [stdout] 127 -             (None, None) => Err(de::Error::missing_field("tag was not found".into())),
[INFO] [stdout] 127 +             (None, None) => Err(de::Error::missing_field(<&str as Into<_>>::into("tag was not found"))),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `serde-implicit` (lib) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: useless conversion to the same type: `&str`
[INFO] [stdout]    --> serde-implicit/src/private.rs:127:58
[INFO] [stdout]     |
[INFO] [stdout] 127 |             (None, None) => Err(de::Error::missing_field("tag was not found".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] 127 -             (None, None) => Err(de::Error::missing_field("tag was not found".into())),
[INFO] [stdout] 127 +             (None, None) => Err(de::Error::missing_field("tag was not found")),
[INFO] [stdout]     |
[INFO] [stdout] help: you can use the fully-qualified path to avoid triggering this lint
[INFO] [stdout]     |
[INFO] [stdout] 127 -             (None, None) => Err(de::Error::missing_field("tag was not found".into())),
[INFO] [stdout] 127 +             (None, None) => Err(de::Error::missing_field(<&str as Into<_>>::into("tag was not found"))),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `serde-implicit` (lib test) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "a1d8a7287cac0655a476d95c35b0abe2d9d169c6303f6554b271bfea1c1ae9d8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a1d8a7287cac0655a476d95c35b0abe2d9d169c6303f6554b271bfea1c1ae9d8", kill_on_drop: false }`
[INFO] [stdout] a1d8a7287cac0655a476d95c35b0abe2d9d169c6303f6554b271bfea1c1ae9d8
