[INFO] fetching crate mapreduce-rs 0.1.0...
[INFO] testing mapreduce-rs-0.1.0 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate mapreduce-rs 0.1.0 into /workspace/builds/worker-2-tc2/source
[INFO] started tweaking crates.io crate mapreduce-rs 0.1.0
[INFO] finished tweaking crates.io crate mapreduce-rs 0.1.0
[INFO] tweaked toml for crates.io crate mapreduce-rs 0.1.0 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate mapreduce-rs 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] 64f449f8a55cc6bd467e545b2549a05dc4b37e4114f6aad638a9f5ace2a5ce9e
[INFO] running `Command { std: "docker" "start" "-a" "64f449f8a55cc6bd467e545b2549a05dc4b37e4114f6aad638a9f5ace2a5ce9e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "64f449f8a55cc6bd467e545b2549a05dc4b37e4114f6aad638a9f5ace2a5ce9e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "64f449f8a55cc6bd467e545b2549a05dc4b37e4114f6aad638a9f5ace2a5ce9e", kill_on_drop: false }`
[INFO] [stdout] 64f449f8a55cc6bd467e545b2549a05dc4b37e4114f6aad638a9f5ace2a5ce9e
[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] a0f09c61c4b627c150e88739b55340c3bb92a90f6c6f7dfd53e7b142adbe269f
[INFO] running `Command { std: "docker" "start" "-a" "a0f09c61c4b627c150e88739b55340c3bb92a90f6c6f7dfd53e7b142adbe269f", kill_on_drop: false }`
[INFO] [stderr]    Compiling mapreduce-rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.23s
[INFO] running `Command { std: "docker" "inspect" "a0f09c61c4b627c150e88739b55340c3bb92a90f6c6f7dfd53e7b142adbe269f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a0f09c61c4b627c150e88739b55340c3bb92a90f6c6f7dfd53e7b142adbe269f", kill_on_drop: false }`
[INFO] [stdout] a0f09c61c4b627c150e88739b55340c3bb92a90f6c6f7dfd53e7b142adbe269f
[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] d2556744137b25b14979ab7d76f739abc012eda2c59b0828b6f2485b1b7ee571
[INFO] running `Command { std: "docker" "start" "-a" "d2556744137b25b14979ab7d76f739abc012eda2c59b0828b6f2485b1b7ee571", kill_on_drop: false }`
[INFO] [stderr]    Compiling mapreduce-rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.58s
[INFO] running `Command { std: "docker" "inspect" "d2556744137b25b14979ab7d76f739abc012eda2c59b0828b6f2485b1b7ee571", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d2556744137b25b14979ab7d76f739abc012eda2c59b0828b6f2485b1b7ee571", kill_on_drop: false }`
[INFO] [stdout] d2556744137b25b14979ab7d76f739abc012eda2c59b0828b6f2485b1b7ee571
[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] 964b0ee9a316a20f9328289751a07c4f01e3f0556723acca470ff33be85c6b3c
[INFO] running `Command { std: "docker" "start" "-a" "964b0ee9a316a20f9328289751a07c4f01e3f0556723acca470ff33be85c6b3c", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/mapreduce_rs-d13bf8be4ee04055)
[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 mapreduce_rs
[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" "964b0ee9a316a20f9328289751a07c4f01e3f0556723acca470ff33be85c6b3c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "964b0ee9a316a20f9328289751a07c4f01e3f0556723acca470ff33be85c6b3c", kill_on_drop: false }`
[INFO] [stdout] 964b0ee9a316a20f9328289751a07c4f01e3f0556723acca470ff33be85c6b3c