[INFO] fetching crate mumu-string 0.1.0...
[INFO] testing mumu-string-0.1.0 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate mumu-string 0.1.0 into /workspace/builds/worker-5-tc2/source
[INFO] started tweaking crates.io crate mumu-string 0.1.0
[INFO] finished tweaking crates.io crate mumu-string 0.1.0
[INFO] tweaked toml for crates.io crate mumu-string 0.1.0 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate mumu-string 0.1.0 on toolchain beta-2025-09-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate mumu-string 0.1.0 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" "+beta-2025-09-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 72b484ceba52bbdca7978adf973c348d7b058acf21d315df10140fd408449e25
[INFO] running `Command { std: "docker" "start" "-a" "72b484ceba52bbdca7978adf973c348d7b058acf21d315df10140fd408449e25", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "72b484ceba52bbdca7978adf973c348d7b058acf21d315df10140fd408449e25", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "72b484ceba52bbdca7978adf973c348d7b058acf21d315df10140fd408449e25", kill_on_drop: false }`
[INFO] [stdout] 72b484ceba52bbdca7978adf973c348d7b058acf21d315df10140fd408449e25
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7473b1a93eb629d3958e95d9e9d2e1c4e68194f612df2557e50707f3cbaaa372
[INFO] running `Command { std: "docker" "start" "-a" "7473b1a93eb629d3958e95d9e9d2e1c4e68194f612df2557e50707f3cbaaa372", kill_on_drop: false }`
[INFO] [stderr]    Compiling rustls v0.23.28
[INFO] [stderr]    Compiling syn v2.0.104
[INFO] [stderr]    Compiling ring v0.17.14
[INFO] [stderr]    Compiling webpki-roots v1.0.1
[INFO] [stderr]    Compiling regex-automata v0.4.9
[INFO] [stderr]    Compiling crc32fast v1.4.2
[INFO] [stderr]    Compiling parking_lot_core v0.9.11
[INFO] [stderr]    Compiling mio v0.8.11
[INFO] [stderr]    Compiling form_urlencoded v1.2.1
[INFO] [stderr]    Compiling libloading v0.7.4
[INFO] [stderr]    Compiling mumu-string v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling webpki-roots v0.26.11
[INFO] [stderr]    Compiling flate2 v1.1.2
[INFO] [stderr] warning: mumu-string@0.1.0: Created symlink "libstring.so" -> "libmumustring.so"
[INFO] [stderr]    Compiling parking_lot v0.12.4
[INFO] [stderr]    Compiling signal-hook-mio v0.2.4
[INFO] [stderr]    Compiling crossterm v0.25.0
[INFO] [stderr]    Compiling synstructure v0.13.2
[INFO] [stderr]    Compiling zerovec-derive v0.11.1
[INFO] [stderr]    Compiling displaydoc v0.2.5
[INFO] [stderr]    Compiling zerofrom-derive v0.1.6
[INFO] [stderr]    Compiling yoke-derive v0.8.0
[INFO] [stderr]    Compiling regex v1.11.1
[INFO] [stderr]    Compiling zerofrom v0.1.6
[INFO] [stderr]    Compiling yoke v0.8.0
[INFO] [stderr]    Compiling mumu v0.11.1
[INFO] [stderr]    Compiling zerovec v0.11.2
[INFO] [stderr]    Compiling zerotrie v0.2.2
[INFO] [stderr]    Compiling tinystr v0.8.1
[INFO] [stderr]    Compiling potential_utf v0.1.2
[INFO] [stderr]    Compiling icu_collections v2.0.0
[INFO] [stderr]    Compiling icu_locale_core v2.0.0
[INFO] [stderr]    Compiling rustls-webpki v0.103.3
[INFO] [stderr]    Compiling icu_provider v2.0.0
[INFO] [stderr]    Compiling icu_normalizer v2.0.0
[INFO] [stderr]    Compiling icu_properties v2.0.1
[INFO] [stderr]    Compiling idna_adapter v1.2.1
[INFO] [stderr]    Compiling idna v1.0.3
[INFO] [stderr]    Compiling url v2.5.4
[INFO] [stderr]    Compiling ureq v2.12.1
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 24.66s
[INFO] running `Command { std: "docker" "inspect" "7473b1a93eb629d3958e95d9e9d2e1c4e68194f612df2557e50707f3cbaaa372", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7473b1a93eb629d3958e95d9e9d2e1c4e68194f612df2557e50707f3cbaaa372", kill_on_drop: false }`
[INFO] [stdout] 7473b1a93eb629d3958e95d9e9d2e1c4e68194f612df2557e50707f3cbaaa372
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 46560d789bca4e3ac305df01c3bf7c472bcfb9548ae8436433887749b5619e6d
[INFO] running `Command { std: "docker" "start" "-a" "46560d789bca4e3ac305df01c3bf7c472bcfb9548ae8436433887749b5619e6d", kill_on_drop: false }`
[INFO] [stderr] warning: mumu-string@0.1.0: Created symlink "libstring.so" -> "libmumustring.so"
[INFO] [stderr]    Compiling mumu-string v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.06s
[INFO] running `Command { std: "docker" "inspect" "46560d789bca4e3ac305df01c3bf7c472bcfb9548ae8436433887749b5619e6d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "46560d789bca4e3ac305df01c3bf7c472bcfb9548ae8436433887749b5619e6d", kill_on_drop: false }`
[INFO] [stdout] 46560d789bca4e3ac305df01c3bf7c472bcfb9548ae8436433887749b5619e6d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] f3966f9ada458485314e422c27511bd1c00d8e1b738648db24f69c03ab03c64f
[INFO] running `Command { std: "docker" "start" "-a" "f3966f9ada458485314e422c27511bd1c00d8e1b738648db24f69c03ab03c64f", kill_on_drop: false }`
[INFO] [stderr] warning: mumu-string@0.1.0: Created symlink "libstring.so" -> "libmumustring.so"
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.12s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/mumustring-3a0482990f3aff55)
[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] running `Command { std: "docker" "inspect" "f3966f9ada458485314e422c27511bd1c00d8e1b738648db24f69c03ab03c64f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f3966f9ada458485314e422c27511bd1c00d8e1b738648db24f69c03ab03c64f", kill_on_drop: false }`
[INFO] [stdout] f3966f9ada458485314e422c27511bd1c00d8e1b738648db24f69c03ab03c64f