[INFO] fetching crate serde-ignored-fields 0.1.1...
[INFO] testing serde-ignored-fields-0.1.1 against beta-2026-04-21 for beta-1.96-2
[INFO] extracting crate serde-ignored-fields 0.1.1 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate serde-ignored-fields 0.1.1
[INFO] finished tweaking crates.io crate serde-ignored-fields 0.1.1
[INFO] tweaked toml for crates.io crate serde-ignored-fields 0.1.1 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate serde-ignored-fields 0.1.1 on toolchain beta-2026-04-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-04-21" "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" "+beta-2026-04-21" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 69 packages to latest compatible versions
[INFO] [stderr]       Adding assert2 v0.3.16 (available: v0.4.0)
[INFO] [stderr]       Adding assert2-macros v0.3.16 (available: v0.3.18)
[INFO] [stderr]       Adding schemars v0.8.22 (available: v1.2.1)
[INFO] [stderr]       Adding serde_yml v0.0.10 (available: v0.0.12)
[INFO] [stderr]       Adding toml v0.8.23 (available: v1.1.2+spec-1.1.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-04-21" "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-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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" "+beta-2026-04-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b8276af66d7ca41274ee472d0094acb3a14db03e40decdabe8d2e74df3a30dce
[INFO] running `Command { std: "docker" "start" "-a" "b8276af66d7ca41274ee472d0094acb3a14db03e40decdabe8d2e74df3a30dce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b8276af66d7ca41274ee472d0094acb3a14db03e40decdabe8d2e74df3a30dce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b8276af66d7ca41274ee472d0094acb3a14db03e40decdabe8d2e74df3a30dce", kill_on_drop: false }`
[INFO] [stdout] b8276af66d7ca41274ee472d0094acb3a14db03e40decdabe8d2e74df3a30dce
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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" "+beta-2026-04-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9ec79c374d1a3099800c56e6f96986303536fd4072c5b8f7f389314c2e446f36
[INFO] running `Command { std: "docker" "start" "-a" "9ec79c374d1a3099800c56e6f96986303536fd4072c5b8f7f389314c2e446f36", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde_core v1.0.228
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling serde-ignored-fields v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.84s
[INFO] running `Command { std: "docker" "inspect" "9ec79c374d1a3099800c56e6f96986303536fd4072c5b8f7f389314c2e446f36", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9ec79c374d1a3099800c56e6f96986303536fd4072c5b8f7f389314c2e446f36", kill_on_drop: false }`
[INFO] [stdout] 9ec79c374d1a3099800c56e6f96986303536fd4072c5b8f7f389314c2e446f36
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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" "+beta-2026-04-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 91ed7c96951a87b214dc442554e7732bab9251f6dd2486689b1d750d64259d8e
[INFO] running `Command { std: "docker" "start" "-a" "91ed7c96951a87b214dc442554e7732bab9251f6dd2486689b1d750d64259d8e", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.106
[INFO] [stderr]    Compiling unicode-ident v1.0.24
[INFO] [stderr]    Compiling quote v1.0.45
[INFO] [stderr]    Compiling semver v1.0.28
[INFO] [stderr]    Compiling equivalent v1.0.2
[INFO] [stderr]    Compiling hashbrown v0.17.0
[INFO] [stderr]    Compiling zmij v1.0.21
[INFO] [stderr]    Compiling serde_json v1.0.149
[INFO] [stderr]    Compiling toml_write v0.1.2
[INFO] [stderr]    Compiling winnow v0.7.15
[INFO] [stderr]    Compiling itoa v1.0.18
[INFO] [stderr]    Compiling memchr v2.8.0
[INFO] [stderr]    Compiling diff v0.1.13
[INFO] [stderr]    Compiling yansi v1.0.1
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling indoc v2.0.7
[INFO] [stderr]    Compiling rustc_version v0.4.1
[INFO] [stderr]    Compiling assert2-macros v0.3.16
[INFO] [stderr]    Compiling indexmap v2.14.0
[INFO] [stderr]    Compiling syn v2.0.117
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling assert2 v0.3.16
[INFO] [stderr]    Compiling toml_datetime v0.6.11
[INFO] [stderr]    Compiling serde_spanned v0.6.9
[INFO] [stderr]    Compiling serde-ignored-fields v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling toml_edit v0.22.27
[INFO] [stderr]    Compiling toml v0.8.23
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 17.48s
[INFO] running `Command { std: "docker" "inspect" "91ed7c96951a87b214dc442554e7732bab9251f6dd2486689b1d750d64259d8e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "91ed7c96951a87b214dc442554e7732bab9251f6dd2486689b1d750d64259d8e", kill_on_drop: false }`
[INFO] [stdout] 91ed7c96951a87b214dc442554e7732bab9251f6dd2486689b1d750d64259d8e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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" "+beta-2026-04-21" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] bbcc544bd19963c48fcbb5356d1a3ff7db7576ae02fd75225f82c03d96ac662c
[INFO] running `Command { std: "docker" "start" "-a" "bbcc544bd19963c48fcbb5356d1a3ff7db7576ae02fd75225f82c03d96ac662c", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.11s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/serde_ignored_fields-ae56c56f6a9f3ab2)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/enums.rs (/opt/rustwide/target/debug/deps/enums-af8b833e2438e581)
[INFO] [stdout] 
[INFO] [stderr]      Running tests/serde_json.rs (/opt/rustwide/target/debug/deps/serde_json-9e99fa1ed45e6c82)
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running tests/serde_yaml.rs (/opt/rustwide/target/debug/deps/serde_yaml-a3c6584f9634a711)
[INFO] [stdout] 
[INFO] [stderr]      Running tests/serde_yml.rs (/opt/rustwide/target/debug/deps/serde_yml-43b2caa65e6e365d)
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr]      Running tests/toml.rs (/opt/rustwide/target/debug/deps/toml-13f0dd23db2fbe15)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests serde_ignored_fields
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/lib.rs - (line 5) ... FAILED
[INFO] [stdout] test src/lib.rs - (line 36) ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs - (line 5) stdout ----
[INFO] [stdout] error[E0433]: cannot find module or crate `serde_yaml` in this scope
[INFO] [stdout]   --> src/lib.rs:17:20
[INFO] [stdout]    |
[INFO] [stdout] 17 | let thing: Thing = serde_yaml::from_str("
[INFO] [stdout]    |                    ^^^^^^^^^^ use of unresolved module or unlinked crate `serde_yaml`
[INFO] [stdout]    |
[INFO] [stdout]    = help: if you wanted to use a crate named `serde_yaml`, use `cargo add serde_yaml` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: cannot find module or crate `serde_yaml` in this scope
[INFO] [stdout]   --> src/lib.rs:14:17
[INFO] [stdout]    |
[INFO] [stdout] 14 |   extra_fields: serde_yaml::Mapping,
[INFO] [stdout]    |                 ^^^^^^^^^^ use of unresolved module or unlinked crate `serde_yaml`
[INFO] [stdout]    |
[INFO] [stdout]    = help: if you wanted to use a crate named `serde_yaml`, use `cargo add serde_yaml` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - (line 36) stdout ----
[INFO] [stdout] error[E0433]: cannot find module or crate `serde_yaml` in this scope
[INFO] [stdout]   --> src/lib.rs:47:64
[INFO] [stdout]    |
[INFO] [stdout] 47 | let thing: PreserveIgnoredFields<Thing, serde_yaml::Mapping> = serde_yaml::from_str("
[INFO] [stdout]    |                                                                ^^^^^^^^^^ use of unresolved module or unlinked crate `serde_yaml`
[INFO] [stdout]    |
[INFO] [stdout]    = help: if you wanted to use a crate named `serde_yaml`, use `cargo add serde_yaml` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: cannot find module or crate `serde_yaml` in this scope
[INFO] [stdout]   --> src/lib.rs:47:41
[INFO] [stdout]    |
[INFO] [stdout] 47 | let thing: PreserveIgnoredFields<Thing, serde_yaml::Mapping> = serde_yaml::from_str("
[INFO] [stdout]    |                                         ^^^^^^^^^^ use of unresolved module or unlinked crate `serde_yaml`
[INFO] [stdout]    |
[INFO] [stdout]    = help: if you wanted to use a crate named `serde_yaml`, use `cargo add serde_yaml` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/lib.rs - (line 36)
[INFO] [stdout]     src/lib.rs - (line 5)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 2 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.44s
[INFO] [stdout] 
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "bbcc544bd19963c48fcbb5356d1a3ff7db7576ae02fd75225f82c03d96ac662c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bbcc544bd19963c48fcbb5356d1a3ff7db7576ae02fd75225f82c03d96ac662c", kill_on_drop: false }`
[INFO] [stdout] bbcc544bd19963c48fcbb5356d1a3ff7db7576ae02fd75225f82c03d96ac662c
