[INFO] fetching crate thin-string 0.3.0...
[INFO] testing thin-string-0.3.0 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate thin-string 0.3.0 into /workspace/builds/worker-2-tc2/source
[INFO] started tweaking crates.io crate thin-string 0.3.0
[INFO] finished tweaking crates.io crate thin-string 0.3.0
[INFO] tweaked toml for crates.io crate thin-string 0.3.0 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate thin-string 0.3.0 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] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 8 packages to latest compatible versions
[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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 3e282a9315fe2072dc7045daa430c31148bf0e3404293df3442c8b59a1205f02
[INFO] running `Command { std: "docker" "start" "-a" "3e282a9315fe2072dc7045daa430c31148bf0e3404293df3442c8b59a1205f02", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3e282a9315fe2072dc7045daa430c31148bf0e3404293df3442c8b59a1205f02", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3e282a9315fe2072dc7045daa430c31148bf0e3404293df3442c8b59a1205f02", kill_on_drop: false }`
[INFO] [stdout] 3e282a9315fe2072dc7045daa430c31148bf0e3404293df3442c8b59a1205f02
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] cc4357d60fc0762b836b8a788f469487257d47f01a870cf990b2ab5d96dd8743
[INFO] running `Command { std: "docker" "start" "-a" "cc4357d60fc0762b836b8a788f469487257d47f01a870cf990b2ab5d96dd8743", kill_on_drop: false }`
[INFO] [stderr]    Compiling thin-vec v0.2.14
[INFO] [stderr]    Compiling thin-string v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.61s
[INFO] running `Command { std: "docker" "inspect" "cc4357d60fc0762b836b8a788f469487257d47f01a870cf990b2ab5d96dd8743", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cc4357d60fc0762b836b8a788f469487257d47f01a870cf990b2ab5d96dd8743", kill_on_drop: false }`
[INFO] [stdout] cc4357d60fc0762b836b8a788f469487257d47f01a870cf990b2ab5d96dd8743
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 3eaa014a73eb3c6419e6c52087638e6167d5222e11fb0cc8c147e7d4c4cece34
[INFO] running `Command { std: "docker" "start" "-a" "3eaa014a73eb3c6419e6c52087638e6167d5222e11fb0cc8c147e7d4c4cece34", kill_on_drop: false }`
[INFO] [stderr]    Compiling thin-string v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.35s
[INFO] running `Command { std: "docker" "inspect" "3eaa014a73eb3c6419e6c52087638e6167d5222e11fb0cc8c147e7d4c4cece34", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3eaa014a73eb3c6419e6c52087638e6167d5222e11fb0cc8c147e7d4c4cece34", kill_on_drop: false }`
[INFO] [stdout] 3eaa014a73eb3c6419e6c52087638e6167d5222e11fb0cc8c147e7d4c4cece34
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] c760d4a06729255a6c2217538d98e3c4e4dcf61a715f0500bf9ae485d3d61c8f
[INFO] running `Command { std: "docker" "start" "-a" "c760d4a06729255a6c2217538d98e3c4e4dcf61a715f0500bf9ae485d3d61c8f", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/thin_string-b306fe13ae47e015)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests thin_string
[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] running `Command { std: "docker" "inspect" "c760d4a06729255a6c2217538d98e3c4e4dcf61a715f0500bf9ae485d3d61c8f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c760d4a06729255a6c2217538d98e3c4e4dcf61a715f0500bf9ae485d3d61c8f", kill_on_drop: false }`
[INFO] [stdout] c760d4a06729255a6c2217538d98e3c4e4dcf61a715f0500bf9ae485d3d61c8f