[INFO] fetching crate zepter 1.88.0...
[INFO] testing zepter-1.88.0 against master#562dee4820c458d823175268e41601d4c060588a for pr-154210-2
[INFO] extracting crate zepter 1.88.0 into /workspace/builds/worker-4-tc1/source
[INFO] removed /workspace/builds/worker-4-tc1/source/.cargo/config.toml
[INFO] removed /workspace/builds/worker-4-tc1/source/rust-toolchain.toml
[INFO] started tweaking crates.io crate zepter 1.88.0
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate zepter 1.88.0
[INFO] tweaked toml for crates.io crate zepter 1.88.0 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate zepter 1.88.0 on toolchain 562dee4820c458d823175268e41601d4c060588a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate zepter 1.88.0 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" "+562dee4820c458d823175268e41601d4c060588a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded cargo-platform v0.3.2
[INFO] [stderr]   Downloaded colour v2.1.0
[INFO] [stderr]   Downloaded predicates v3.1.3
[INFO] [stderr]   Downloaded zerocopy-derive v0.8.30
[INFO] [stderr]   Downloaded rand v0.10.0
[INFO] [stderr]   Downloaded rand_core v0.10.0
[INFO] [stderr]   Downloaded assert_cmd v2.1.2
[INFO] [stderr]   Downloaded histo v1.0.0
[INFO] [stderr]   Downloaded chacha20 v0.10.0
[INFO] [stderr]   Downloaded toml_edit v0.25.3+spec-1.1.0
[INFO] [stderr]   Downloaded streaming-stats v0.1.29
[INFO] [stderr]   Downloaded zerocopy v0.8.30
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "+562dee4820c458d823175268e41601d4c060588a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] aa7c5496c1d2796490710b01a27f63137dcc6d542084bfc56e3ff390963debc0
[INFO] running `Command { std: "docker" "start" "-a" "aa7c5496c1d2796490710b01a27f63137dcc6d542084bfc56e3ff390963debc0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "aa7c5496c1d2796490710b01a27f63137dcc6d542084bfc56e3ff390963debc0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aa7c5496c1d2796490710b01a27f63137dcc6d542084bfc56e3ff390963debc0", kill_on_drop: false }`
[INFO] [stdout] aa7c5496c1d2796490710b01a27f63137dcc6d542084bfc56e3ff390963debc0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "+562dee4820c458d823175268e41601d4c060588a" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4c6afaa88139f939d608099b3db6cb228080a91501cd529a3f4df82162dfb86c
[INFO] running `Command { std: "docker" "start" "-a" "4c6afaa88139f939d608099b3db6cb228080a91501cd529a3f4df82162dfb86c", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde_core v1.0.228
[INFO] [stderr]    Compiling syn v2.0.111
[INFO] [stderr]    Compiling memchr v2.7.6
[INFO] [stderr]    Compiling utf8parse v0.2.2
[INFO] [stderr]    Compiling colorchoice v1.0.4
[INFO] [stderr]    Compiling anstyle-query v1.1.5
[INFO] [stderr]    Compiling is_terminal_polyfill v1.70.2
[INFO] [stderr]    Compiling regex-syntax v0.8.8
[INFO] [stderr]    Compiling anstyle v1.0.13
[INFO] [stderr]    Compiling camino v1.2.2
[INFO] [stderr]    Compiling equivalent v1.0.2
[INFO] [stderr]    Compiling hashbrown v0.16.1
[INFO] [stderr]    Compiling serde_json v1.0.149
[INFO] [stderr]    Compiling thiserror v2.0.17
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling zmij v1.0.21
[INFO] [stderr]    Compiling anstyle-parse v0.2.7
[INFO] [stderr]    Compiling itoa v1.0.15
[INFO] [stderr]    Compiling strsim v0.11.1
[INFO] [stderr]    Compiling log v0.4.29
[INFO] [stderr]    Compiling winnow v0.7.14
[INFO] [stderr]    Compiling clap_lex v1.0.0
[INFO] [stderr]    Compiling jiff v0.2.16
[INFO] [stderr]    Compiling either v1.15.0
[INFO] [stderr]    Compiling unsafe-libyaml v0.2.11
[INFO] [stderr]    Compiling toml_datetime v1.0.0+spec-1.1.0
[INFO] [stderr]    Compiling anstream v0.6.21
[INFO] [stderr]    Compiling ryu v1.0.20
[INFO] [stderr]    Compiling toml_writer v1.0.6+spec-1.1.0
[INFO] [stderr]    Compiling aho-corasick v1.1.4
[INFO] [stderr]    Compiling indexmap v2.12.1
[INFO] [stderr]    Compiling clap_builder v4.5.60
[INFO] [stderr]    Compiling itertools v0.14.0
[INFO] [stderr]    Compiling regex-automata v0.4.13
[INFO] [stderr]    Compiling toml_parser v1.0.9+spec-1.1.0
[INFO] [stderr]    Compiling cargo-platform v0.3.2
[INFO] [stderr]    Compiling semver v1.0.27
[INFO] [stderr]    Compiling toml_edit v0.25.3+spec-1.1.0
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling thiserror-impl v2.0.17
[INFO] [stderr]    Compiling clap_derive v4.5.55
[INFO] [stderr]    Compiling regex v1.12.3
[INFO] [stderr]    Compiling env_filter v1.0.0
[INFO] [stderr]    Compiling env_logger v0.11.9
[INFO] [stderr]    Compiling clap v4.5.60
[INFO] [stderr]    Compiling serde_yaml_ng v0.10.0
[INFO] [stderr]    Compiling cargo_metadata v0.23.1
[INFO] [stderr]    Compiling zepter v1.88.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [optimized + debuginfo] target(s) in 1m 31s
[INFO] running `Command { std: "docker" "inspect" "4c6afaa88139f939d608099b3db6cb228080a91501cd529a3f4df82162dfb86c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4c6afaa88139f939d608099b3db6cb228080a91501cd529a3f4df82162dfb86c", kill_on_drop: false }`
[INFO] [stdout] 4c6afaa88139f939d608099b3db6cb228080a91501cd529a3f4df82162dfb86c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "+562dee4820c458d823175268e41601d4c060588a" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 021d58898c83b07bc7af60478a577e68f32e83572e0a06697c8a1030284316f7
[INFO] running `Command { std: "docker" "start" "-a" "021d58898c83b07bc7af60478a577e68f32e83572e0a06697c8a1030284316f7", kill_on_drop: false }`
[INFO] [stderr]    Compiling hashbrown v0.16.1
[INFO] [stderr]    Compiling memchr v2.7.6
[INFO] [stderr]    Compiling equivalent v1.0.2
[INFO] [stderr]    Compiling semver v1.0.27
[INFO] [stderr]    Compiling winnow v0.7.14
[INFO] [stderr]    Compiling toml_datetime v0.7.5+spec-1.1.0
[INFO] [stderr]    Compiling syn v2.0.111
[INFO] [stderr]    Compiling regex-syntax v0.8.8
[INFO] [stderr]    Compiling libc v0.2.182
[INFO] [stderr]    Compiling getrandom v0.4.1
[INFO] [stderr]    Compiling rand_core v0.10.0
[INFO] [stderr]    Compiling cfg-if v1.0.4
[INFO] [stderr]    Compiling futures-core v0.3.31
[INFO] [stderr]    Compiling pin-project-lite v0.2.16
[INFO] [stderr]    Compiling cpufeatures v0.3.0
[INFO] [stderr]    Compiling pin-utils v0.1.0
[INFO] [stderr]    Compiling futures-task v0.3.31
[INFO] [stderr]    Compiling glob v0.3.3
[INFO] [stderr]    Compiling relative-path v1.9.3
[INFO] [stderr]    Compiling slab v0.4.11
[INFO] [stderr]    Compiling futures-timer v3.0.3
[INFO] [stderr]    Compiling yansi v1.0.1
[INFO] [stderr]    Compiling chacha20 v0.10.0
[INFO] [stderr]    Compiling diff v0.1.13
[INFO] [stderr]    Compiling lazy_static v1.5.0
[INFO] [stderr]    Compiling rustc_version v0.4.1
[INFO] [stderr]    Compiling aho-corasick v1.1.4
[INFO] [stderr]    Compiling pretty_assertions v1.4.1
[INFO] [stderr]    Compiling rstest_macros v0.26.1
[INFO] [stderr]    Compiling indexmap v2.12.1
[INFO] [stderr]    Compiling regex-automata v0.4.13
[INFO] [stderr]    Compiling rand v0.10.0
[INFO] [stderr]    Compiling toml_parser v1.0.9+spec-1.1.0
[INFO] [stderr]    Compiling toml_edit v0.23.10+spec-1.0.0
[INFO] [stderr]    Compiling proc-macro-crate v3.4.0
[INFO] [stderr]    Compiling regex v1.12.3
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling thiserror-impl v2.0.17
[INFO] [stderr]    Compiling clap_derive v4.5.55
[INFO] [stderr]    Compiling futures-macro v0.3.31
[INFO] [stderr]    Compiling futures-util v0.3.31
[INFO] [stderr]    Compiling thiserror v2.0.17
[INFO] [stderr]    Compiling clap v4.5.60
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling rstest v0.26.1
[INFO] [stderr]    Compiling cargo_metadata v0.23.1
[INFO] [stderr]    Compiling serde_yaml_ng v0.10.0
[INFO] [stderr]    Compiling zepter v1.88.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0433]: cannot find module or crate `serde_json` in this scope
[INFO] [stdout]   --> src/config/semver.rs:99:19
[INFO] [stdout]    |
[INFO] [stdout] 99 |         let embedding = serde_json::from_str::<Embedding>(s).unwrap();
[INFO] [stdout]    |                         ^^^^^^^^^^ use of unresolved module or unlinked crate `serde_json`
[INFO] [stdout]    |
[INFO] [stdout]    = help: if you wanted to use a crate named `serde_json`, use `cargo add serde_json` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `zepter` (lib test) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "021d58898c83b07bc7af60478a577e68f32e83572e0a06697c8a1030284316f7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "021d58898c83b07bc7af60478a577e68f32e83572e0a06697c8a1030284316f7", kill_on_drop: false }`
[INFO] [stdout] 021d58898c83b07bc7af60478a577e68f32e83572e0a06697c8a1030284316f7