[INFO] fetching crate prefer-dynamic 0.2.1...
[INFO] testing prefer-dynamic-0.2.1 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate prefer-dynamic 0.2.1 into /workspace/builds/worker-7-tc2/source
[INFO] started tweaking crates.io crate prefer-dynamic 0.2.1
[INFO] finished tweaking crates.io crate prefer-dynamic 0.2.1
[INFO] tweaked toml for crates.io crate prefer-dynamic 0.2.1 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate prefer-dynamic 0.2.1 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] 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-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] a7fb558e6df2f2e3e4f88dec51fdfa74e3ee9d0c0034a436693904316bf8b7d5
[INFO] running `Command { std: "docker" "start" "-a" "a7fb558e6df2f2e3e4f88dec51fdfa74e3ee9d0c0034a436693904316bf8b7d5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a7fb558e6df2f2e3e4f88dec51fdfa74e3ee9d0c0034a436693904316bf8b7d5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a7fb558e6df2f2e3e4f88dec51fdfa74e3ee9d0c0034a436693904316bf8b7d5", kill_on_drop: false }`
[INFO] [stdout] a7fb558e6df2f2e3e4f88dec51fdfa74e3ee9d0c0034a436693904316bf8b7d5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 1c2441005e1b8c773e37bd47da323bdf075b00fad04c3e78a67e44c80555dc60
[INFO] running `Command { std: "docker" "start" "-a" "1c2441005e1b8c773e37bd47da323bdf075b00fad04c3e78a67e44c80555dc60", kill_on_drop: false }`
[INFO] [stderr]    Compiling prefer-dynamic v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.58s
[INFO] running `Command { std: "docker" "inspect" "1c2441005e1b8c773e37bd47da323bdf075b00fad04c3e78a67e44c80555dc60", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1c2441005e1b8c773e37bd47da323bdf075b00fad04c3e78a67e44c80555dc60", kill_on_drop: false }`
[INFO] [stdout] 1c2441005e1b8c773e37bd47da323bdf075b00fad04c3e78a67e44c80555dc60
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 39f43a8247679fca07948cc3c0689250d921a7a8240497f074ea2e627d3f880c
[INFO] running `Command { std: "docker" "start" "-a" "39f43a8247679fca07948cc3c0689250d921a7a8240497f074ea2e627d3f880c", kill_on_drop: false }`
[INFO] [stderr]    Compiling prefer-dynamic v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.31s
[INFO] running `Command { std: "docker" "inspect" "39f43a8247679fca07948cc3c0689250d921a7a8240497f074ea2e627d3f880c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "39f43a8247679fca07948cc3c0689250d921a7a8240497f074ea2e627d3f880c", kill_on_drop: false }`
[INFO] [stdout] 39f43a8247679fca07948cc3c0689250d921a7a8240497f074ea2e627d3f880c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] c2fa9814f5246b53873cc799e9d165b32b9fd9c181e5fe2dbb68c5394943b41f
[INFO] running `Command { std: "docker" "start" "-a" "c2fa9814f5246b53873cc799e9d165b32b9fd9c181e5fe2dbb68c5394943b41f", 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/prefer_dynamic-4866db030532a919)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test compile_test ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests prefer_dynamic
[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" "c2fa9814f5246b53873cc799e9d165b32b9fd9c181e5fe2dbb68c5394943b41f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c2fa9814f5246b53873cc799e9d165b32b9fd9c181e5fe2dbb68c5394943b41f", kill_on_drop: false }`
[INFO] [stdout] c2fa9814f5246b53873cc799e9d165b32b9fd9c181e5fe2dbb68c5394943b41f