[INFO] fetching crate map_reduce 0.1.0...
[INFO] testing map_reduce-0.1.0 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate map_reduce 0.1.0 into /workspace/builds/worker-2-tc2/source
[INFO] started tweaking crates.io crate map_reduce 0.1.0
[INFO] finished tweaking crates.io crate map_reduce 0.1.0
[INFO] tweaked toml for crates.io crate map_reduce 0.1.0 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate map_reduce 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] 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-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] f0fd3088f5202460e4f6d7ace9bb6a998ae270fd0475002a1dcfc81006fab64e
[INFO] running `Command { std: "docker" "start" "-a" "f0fd3088f5202460e4f6d7ace9bb6a998ae270fd0475002a1dcfc81006fab64e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f0fd3088f5202460e4f6d7ace9bb6a998ae270fd0475002a1dcfc81006fab64e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f0fd3088f5202460e4f6d7ace9bb6a998ae270fd0475002a1dcfc81006fab64e", kill_on_drop: false }`
[INFO] [stdout] f0fd3088f5202460e4f6d7ace9bb6a998ae270fd0475002a1dcfc81006fab64e
[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] 2d3d9f8118e932de6590d5a07e0ae49c00ef3e8e7b2ee6e53694576697d7cd17
[INFO] running `Command { std: "docker" "start" "-a" "2d3d9f8118e932de6590d5a07e0ae49c00ef3e8e7b2ee6e53694576697d7cd17", kill_on_drop: false }`
[INFO] [stderr]    Compiling map_reduce v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.06s
[INFO] running `Command { std: "docker" "inspect" "2d3d9f8118e932de6590d5a07e0ae49c00ef3e8e7b2ee6e53694576697d7cd17", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2d3d9f8118e932de6590d5a07e0ae49c00ef3e8e7b2ee6e53694576697d7cd17", kill_on_drop: false }`
[INFO] [stdout] 2d3d9f8118e932de6590d5a07e0ae49c00ef3e8e7b2ee6e53694576697d7cd17
[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] c7a149b3d9e921110111f8d90ce1ee5aa91809e5c2f9cd89fb1b75a7960cec15
[INFO] running `Command { std: "docker" "start" "-a" "c7a149b3d9e921110111f8d90ce1ee5aa91809e5c2f9cd89fb1b75a7960cec15", kill_on_drop: false }`
[INFO] [stderr]    Compiling map_reduce v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.18s
[INFO] running `Command { std: "docker" "inspect" "c7a149b3d9e921110111f8d90ce1ee5aa91809e5c2f9cd89fb1b75a7960cec15", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c7a149b3d9e921110111f8d90ce1ee5aa91809e5c2f9cd89fb1b75a7960cec15", kill_on_drop: false }`
[INFO] [stdout] c7a149b3d9e921110111f8d90ce1ee5aa91809e5c2f9cd89fb1b75a7960cec15
[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] 41427115858e7a79e0af915ff27b098a1266c19b90d06e908a407eaf42e95f9d
[INFO] running `Command { std: "docker" "start" "-a" "41427115858e7a79e0af915ff27b098a1266c19b90d06e908a407eaf42e95f9d", 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/map_reduce-e0aacc068d0344c9)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test tests::it_works ... 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 map_reduce
[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" "41427115858e7a79e0af915ff27b098a1266c19b90d06e908a407eaf42e95f9d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "41427115858e7a79e0af915ff27b098a1266c19b90d06e908a407eaf42e95f9d", kill_on_drop: false }`
[INFO] [stdout] 41427115858e7a79e0af915ff27b098a1266c19b90d06e908a407eaf42e95f9d