[INFO] fetching crate serde_typename 0.1.0...
[INFO] testing serde_typename-0.1.0 against master#ec6f9a5b4413f74386267ef8efc93712c2ce6db6 for pr-155739-1
[INFO] extracting crate serde_typename 0.1.0 into /workspace/builds/worker-7-tc1/source
[INFO] started tweaking crates.io crate serde_typename 0.1.0
[INFO] finished tweaking crates.io crate serde_typename 0.1.0
[INFO] tweaked toml for crates.io crate serde_typename 0.1.0 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate serde_typename 0.1.0 on toolchain ec6f9a5b4413f74386267ef8efc93712c2ce6db6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "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" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 7 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0d809b860676f1f89bd9f81a95f1a1083f134c0901aa853cabf7ef3316a9dc5e
[INFO] running `Command { std: "docker" "start" "-a" "0d809b860676f1f89bd9f81a95f1a1083f134c0901aa853cabf7ef3316a9dc5e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0d809b860676f1f89bd9f81a95f1a1083f134c0901aa853cabf7ef3316a9dc5e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0d809b860676f1f89bd9f81a95f1a1083f134c0901aa853cabf7ef3316a9dc5e", kill_on_drop: false }`
[INFO] [stdout] 0d809b860676f1f89bd9f81a95f1a1083f134c0901aa853cabf7ef3316a9dc5e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7ec5afd0ffeb49a9a92dc41779382d0200cc71ae92406b45901b0784a07d3606
[INFO] running `Command { std: "docker" "start" "-a" "7ec5afd0ffeb49a9a92dc41779382d0200cc71ae92406b45901b0784a07d3606", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.106
[INFO] [stderr]    Compiling quote v1.0.45
[INFO] [stderr]    Compiling serde_core v1.0.228
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling syn v2.0.117
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling serde_typename v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/de.rs:140:27
[INFO] [stdout]     |
[INFO] [stdout] 140 |     fn deserialize_str<V>(mut self, visitor: V) -> Result<V::Value>
[INFO] [stdout]     |                           ----^^^^
[INFO] [stdout]     |                           |
[INFO] [stdout]     |                           help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.83s
[INFO] running `Command { std: "docker" "inspect" "7ec5afd0ffeb49a9a92dc41779382d0200cc71ae92406b45901b0784a07d3606", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7ec5afd0ffeb49a9a92dc41779382d0200cc71ae92406b45901b0784a07d3606", kill_on_drop: false }`
[INFO] [stdout] 7ec5afd0ffeb49a9a92dc41779382d0200cc71ae92406b45901b0784a07d3606
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4fa6ba1ed150f04fbaf0b54a21c98577e6e3b3cf820d466bc08bd35c3ad3046a
[INFO] running `Command { std: "docker" "start" "-a" "4fa6ba1ed150f04fbaf0b54a21c98577e6e3b3cf820d466bc08bd35c3ad3046a", kill_on_drop: false }`
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/de.rs:140:27
[INFO] [stdout]     |
[INFO] [stdout] 140 |     fn deserialize_str<V>(mut self, visitor: V) -> Result<V::Value>
[INFO] [stdout]     |                           ----^^^^
[INFO] [stdout]     |                           |
[INFO] [stdout]     |                           help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling serde_typename v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/de.rs:140:27
[INFO] [stdout]     |
[INFO] [stdout] 140 |     fn deserialize_str<V>(mut self, visitor: V) -> Result<V::Value>
[INFO] [stdout]     |                           ----^^^^
[INFO] [stdout]     |                           |
[INFO] [stdout]     |                           help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.69s
[INFO] running `Command { std: "docker" "inspect" "4fa6ba1ed150f04fbaf0b54a21c98577e6e3b3cf820d466bc08bd35c3ad3046a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4fa6ba1ed150f04fbaf0b54a21c98577e6e3b3cf820d466bc08bd35c3ad3046a", kill_on_drop: false }`
[INFO] [stdout] 4fa6ba1ed150f04fbaf0b54a21c98577e6e3b3cf820d466bc08bd35c3ad3046a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] f4d6bfeb8e468c5051e96b343d9dacd3f9c4d800116414cec354e66c2d95dc6f
[INFO] running `Command { std: "docker" "start" "-a" "f4d6bfeb8e468c5051e96b343d9dacd3f9c4d800116414cec354e66c2d95dc6f", kill_on_drop: false }`
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/de.rs:140:27
[INFO] [stderr]     |
[INFO] [stderr] 140 |     fn deserialize_str<V>(mut self, visitor: V) -> Result<V::Value>
[INFO] [stderr]     |                           ----^^^^
[INFO] [stderr]     |                           |
[INFO] [stderr]     |                           help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `serde_typename` (lib) generated 1 warning (run `cargo fix --lib -p serde_typename` to apply 1 suggestion)
[INFO] [stderr] warning: `serde_typename` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/serde_typename-cff23cbad85280fe)
[INFO] [stdout] 
[INFO] [stdout] running 19 tests
[INFO] [stdout] test tests::de::enums::impossible::newtype_variants ... ok
[INFO] [stdout] test tests::de::structs::case_sensisitive ... ok
[INFO] [stdout] test tests::de::enums::impossible::tuple_variants ... ok
[INFO] [stdout] test tests::de::structs::impossible::field_struct ... ok
[INFO] [stdout] test tests::de::enums::case_sensisitive ... ok
[INFO] [stdout] test tests::de::enums::space_sensisitive ... ok
[INFO] [stdout] test tests::de::structs::impossible::newtype_struct ... ok
[INFO] [stdout] test tests::de::structs::space_sensisitive ... ok
[INFO] [stdout] test tests::de::structs::unit_struct ... ok
[INFO] [stdout] test tests::de::enums::impossible::struct_variants ... ok
[INFO] [stdout] test tests::de::enums::unit_variants ... ok
[INFO] [stdout] test tests::ser::enums::newtype_variants ... ok
[INFO] [stdout] test tests::ser::enums::unit_variants ... ok
[INFO] [stdout] test tests::ser::structs::newtype_structs ... ok
[INFO] [stdout] test tests::ser::structs::tuple_structs ... ok
[INFO] [stdout] test tests::ser::enums::tuple_variants ... ok
[INFO] [stdout] test tests::ser::structs::field_structs ... ok
[INFO] [stdout] test tests::ser::structs::unit_structs ... ok
[INFO] [stdout] test tests::ser::enums::struct_variants ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 19 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests serde_typename
[INFO] [stderr] warning: unknown lint: `rustdoc::missing_doc_code_examples`
[INFO] [stderr]  --> src/lib.rs:2:9
[INFO] [stderr]   |
[INFO] [stderr] 2 | #![warn(rustdoc::missing_doc_code_examples)]
[INFO] [stderr]   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: the `rustdoc::missing_doc_code_examples` lint is unstable
[INFO] [stderr]   = note: see issue #101730 <https://github.com/rust-lang/rust/issues/101730> for more information
[INFO] [stderr]   = help: add `#![feature(rustdoc_missing_doc_code_examples)]` to the crate attributes to enable
[INFO] [stderr]   = note: this compiler was built on 2026-04-24; consider upgrading it if it is out of date
[INFO] [stderr]   = note: `#[warn(unknown_lints)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test src/lib.rs - to_str (line 75) ... ok
[INFO] [stdout] test src/lib.rs - from_str (line 116) ... ok
[INFO] [stdout] test src/lib.rs - (line 7) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.37s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "f4d6bfeb8e468c5051e96b343d9dacd3f9c4d800116414cec354e66c2d95dc6f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f4d6bfeb8e468c5051e96b343d9dacd3f9c4d800116414cec354e66c2d95dc6f", kill_on_drop: false }`
[INFO] [stdout] f4d6bfeb8e468c5051e96b343d9dacd3f9c4d800116414cec354e66c2d95dc6f
