[INFO] fetching crate uv-migrator 2026.1.0...
[INFO] testing uv-migrator-2026.1.0 against 1.99.0-beta.8+cargoflags=--release for beta-release-1.100-2
[INFO] extracting crate uv-migrator 2026.1.0 into /workspace/builds/worker-7-tc1/source
[INFO] started tweaking crates.io crate uv-migrator 2026.1.0
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate uv-migrator 2026.1.0
[INFO] tweaked toml for crates.io crate uv-migrator 2026.1.0 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate uv-migrator 2026.1.0 on toolchain 1.99.0-beta.8
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.99.0-beta.8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate uv-migrator 2026.1.0 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" "+1.99.0-beta.8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded proc-macro2 v1.0.104
[INFO] [stderr]   Downloaded libyml v0.0.5
[INFO] [stderr]   Downloaded zmij v1.0.8
[INFO] [stderr]   Downloaded filetime v0.2.26
[INFO] [stderr]   Downloaded zipsign-api v0.1.5
[INFO] [stderr]   Downloaded base64ct v1.8.1
[INFO] [stderr]   Downloaded self_update v0.42.0
[INFO] [stderr]   Downloaded env_filter v0.1.4
[INFO] [stderr]   Downloaded jiff-static v0.2.17
[INFO] [stderr]   Downloaded serde_yml v0.0.12
[INFO] [stderr]   Downloaded serde_json v1.0.148
[INFO] [stderr]   Downloaded tokio-util v0.7.17
[INFO] [stderr]   Downloaded syn v2.0.112
[INFO] [stderr]   Downloaded jiff v0.2.17
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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] 37f6bcec19e6000f5bc9204fcdf2f37501746d26430995eb974ff481aa2e31c0
[INFO] running `Command { std: "docker" "start" "37f6bcec19e6000f5bc9204fcdf2f37501746d26430995eb974ff481aa2e31c0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "37f6bcec19e6000f5bc9204fcdf2f37501746d26430995eb974ff481aa2e31c0", 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" "37f6bcec19e6000f5bc9204fcdf2f37501746d26430995eb974ff481aa2e31c0" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "37f6bcec19e6000f5bc9204fcdf2f37501746d26430995eb974ff481aa2e31c0", 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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "37f6bcec19e6000f5bc9204fcdf2f37501746d26430995eb974ff481aa2e31c0" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "build" "--frozen" "--message-format=json" "--release", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.104
[INFO] [stderr]    Compiling quote v1.0.42
[INFO] [stderr]    Compiling unicode-ident v1.0.22
[INFO] [stderr]    Compiling serde_core v1.0.228
[INFO] [stderr]    Compiling memchr v2.7.6
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling utf8parse v0.2.2
[INFO] [stderr]    Compiling anstyle v1.0.13
[INFO] [stderr]    Compiling anstyle-parse v0.2.7
[INFO] [stderr]    Compiling regex-syntax v0.8.8
[INFO] [stderr]    Compiling anyhow v1.0.100
[INFO] [stderr]    Compiling libc v0.2.179
[INFO] [stderr]    Compiling hashbrown v0.16.1
[INFO] [stderr]    Compiling equivalent v1.0.2
[INFO] [stderr]    Compiling is_terminal_polyfill v1.70.2
[INFO] [stderr]    Compiling colorchoice v1.0.4
[INFO] [stderr]    Compiling anstyle-query v1.1.5
[INFO] [stderr]    Compiling anstream v0.6.21
[INFO] [stderr]    Compiling zmij v1.0.8
[INFO] [stderr]    Compiling rustix v1.1.3
[INFO] [stderr]    Compiling version_check v0.9.5
[INFO] [stderr]    Compiling aho-corasick v1.1.4
[INFO] [stderr]    Compiling serde_yml v0.0.12
[INFO] [stderr]    Compiling syn v2.0.112
[INFO] [stderr]    Compiling indexmap v2.12.1
[INFO] [stderr]    Compiling log v0.4.29
[INFO] [stderr]    Compiling option-ext v0.2.0
[INFO] [stderr]    Compiling strsim v0.11.1
[INFO] [stderr]    Compiling clap_lex v0.7.6
[INFO] [stderr]    Compiling winnow v0.7.14
[INFO] [stderr]    Compiling toml_write v0.1.2
[INFO] [stderr]    Compiling linux-raw-sys v0.11.0
[INFO] [stderr]    Compiling bitflags v2.10.0
[INFO] [stderr]    Compiling itoa v1.0.17
[INFO] [stderr]    Compiling serde_json v1.0.148
[INFO] [stderr]    Compiling dirs-sys v0.5.0
[INFO] [stderr]    Compiling clap_builder v4.5.54
[INFO] [stderr]    Compiling regex-automata v0.4.13
[INFO] [stderr]    Compiling libyml v0.0.5
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling jiff v0.2.17
[INFO] [stderr]    Compiling ryu v1.0.22
[INFO] [stderr]    Compiling env_home v0.1.0
[INFO] [stderr]    Compiling either v1.15.0
[INFO] [stderr]    Compiling which v7.0.3
[INFO] [stderr]    Compiling dirs v6.0.0
[INFO] [stderr]    Compiling clap v4.5.54
[INFO] [stderr]    Compiling semver v1.0.27
[INFO] [stderr]    Compiling regex v1.12.2
[INFO] [stderr]    Compiling env_filter v0.1.4
[INFO] [stderr]    Compiling toml_datetime v0.6.11
[INFO] [stderr]    Compiling serde_spanned v0.6.9
[INFO] [stderr]    Compiling toml_edit v0.22.27
[INFO] [stderr]    Compiling env_logger v0.11.8
[INFO] [stderr]    Compiling toml v0.8.23
[INFO] [stderr]    Compiling uv-migrator v2026.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `release` profile [optimized] target(s) in 1m 50s
[INFO] running `Command { std: "docker" "inspect" "37f6bcec19e6000f5bc9204fcdf2f37501746d26430995eb974ff481aa2e31c0", 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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "37f6bcec19e6000f5bc9204fcdf2f37501746d26430995eb974ff481aa2e31c0" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "test" "--frozen" "--no-run" "--message-format=json" "--release", kill_on_drop: false }`
[INFO] [stderr]    Compiling rustix v1.1.3
[INFO] [stderr]    Compiling getrandom v0.3.4
[INFO] [stderr]    Compiling cfg-if v1.0.4
[INFO] [stderr]    Compiling fastrand v2.3.0
[INFO] [stderr]    Compiling once_cell v1.21.3
[INFO] [stderr]    Compiling which v7.0.3
[INFO] [stderr]    Compiling tempfile v3.24.0
[INFO] [stderr]    Compiling uv-migrator v2026.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] error: could not compile `uv-migrator` (test "uv_versions_test")
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/rustup-home/toolchains/1.99.0-beta.8-x86_64-unknown-linux-gnu/bin/rustc --crate-name uv_versions_test --edition=2024 tests/uv_versions_test.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --emit=dep-info,link -C opt-level=3 -C lto -C codegen-units=3 --test --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values("self_update"))' -C metadata=ba2e8c77d788b075 -C extra-filename=-7e20c00b96db32fa --out-dir /opt/rustwide/target/release/deps -C strip=symbols -L dependency=/opt/rustwide/target/release/deps --extern clap=/opt/rustwide/target/release/deps/libclap-8ab6d2d366bde075.rlib --extern dirs=/opt/rustwide/target/release/deps/libdirs-84e544465870fd5c.rlib --extern env_logger=/opt/rustwide/target/release/deps/libenv_logger-4c36f6dffed04cb6.rlib --extern log=/opt/rustwide/target/release/deps/liblog-5e9de45efaa4b324.rlib --extern regex=/opt/rustwide/target/release/deps/libregex-fc7be113a17609f3.rlib --extern semver=/opt/rustwide/target/release/deps/libsemver-708e7ca51e5129f3.rlib --extern serde=/opt/rustwide/target/release/deps/libserde-46bf5d67c47cf3a4.rlib --extern serde_json=/opt/rustwide/target/release/deps/libserde_json-bb24714355267a6f.rlib --extern serde_yml=/opt/rustwide/target/release/deps/libserde_yml-eafa99222de153ad.rlib --extern tempfile=/opt/rustwide/target/release/deps/libtempfile-f4fb035e1aed8264.rlib --extern toml=/opt/rustwide/target/release/deps/libtoml-fddf0380a6fdd332.rlib --extern toml_edit=/opt/rustwide/target/release/deps/libtoml_edit-d0bf6b5963d2f373.rlib --extern uv_migrator=/opt/rustwide/target/release/deps/libuv_migrator-cca4ebe2c800defe.rlib --extern which=/opt/rustwide/target/release/deps/libwhich-b22b44d79eedc6c8.rlib --cap-lints=warn` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `uv-migrator` (lib test)
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/rustup-home/toolchains/1.99.0-beta.8-x86_64-unknown-linux-gnu/bin/rustc --crate-name uv_migrator --edition=2024 src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --emit=dep-info,link -C opt-level=3 -C lto -C codegen-units=3 --test --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values("self_update"))' -C metadata=6dfe8e2ce8b3852c -C extra-filename=-5786ff46b74aa3cd --out-dir /opt/rustwide/target/release/deps -C strip=symbols -L dependency=/opt/rustwide/target/release/deps --extern clap=/opt/rustwide/target/release/deps/libclap-8ab6d2d366bde075.rlib --extern dirs=/opt/rustwide/target/release/deps/libdirs-84e544465870fd5c.rlib --extern env_logger=/opt/rustwide/target/release/deps/libenv_logger-4c36f6dffed04cb6.rlib --extern log=/opt/rustwide/target/release/deps/liblog-5e9de45efaa4b324.rlib --extern regex=/opt/rustwide/target/release/deps/libregex-fc7be113a17609f3.rlib --extern semver=/opt/rustwide/target/release/deps/libsemver-708e7ca51e5129f3.rlib --extern serde=/opt/rustwide/target/release/deps/libserde-46bf5d67c47cf3a4.rlib --extern serde_json=/opt/rustwide/target/release/deps/libserde_json-bb24714355267a6f.rlib --extern serde_yml=/opt/rustwide/target/release/deps/libserde_yml-eafa99222de153ad.rlib --extern tempfile=/opt/rustwide/target/release/deps/libtempfile-f4fb035e1aed8264.rlib --extern toml=/opt/rustwide/target/release/deps/libtoml-fddf0380a6fdd332.rlib --extern toml_edit=/opt/rustwide/target/release/deps/libtoml_edit-d0bf6b5963d2f373.rlib --extern which=/opt/rustwide/target/release/deps/libwhich-b22b44d79eedc6c8.rlib --cap-lints=warn` (signal: 9, SIGKILL: kill)
[INFO] running `Command { std: "docker" "inspect" "37f6bcec19e6000f5bc9204fcdf2f37501746d26430995eb974ff481aa2e31c0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "37f6bcec19e6000f5bc9204fcdf2f37501746d26430995eb974ff481aa2e31c0", kill_on_drop: false }`
[INFO] [stdout] 37f6bcec19e6000f5bc9204fcdf2f37501746d26430995eb974ff481aa2e31c0
