[INFO] fetching crate kahan_pairs 1.0.1...
[INFO] testing kahan_pairs-1.0.1 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate kahan_pairs 1.0.1 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate kahan_pairs 1.0.1
[INFO] finished tweaking crates.io crate kahan_pairs 1.0.1
[INFO] tweaked toml for crates.io crate kahan_pairs 1.0.1 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate kahan_pairs 1.0.1 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] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 1 package to latest compatible version
[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-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 58b9fae64ae0e1b763630ff0e6c3e9ac19907c0c9af4ec91706974d0674f574e
[INFO] running `Command { std: "docker" "start" "-a" "58b9fae64ae0e1b763630ff0e6c3e9ac19907c0c9af4ec91706974d0674f574e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "58b9fae64ae0e1b763630ff0e6c3e9ac19907c0c9af4ec91706974d0674f574e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "58b9fae64ae0e1b763630ff0e6c3e9ac19907c0c9af4ec91706974d0674f574e", kill_on_drop: false }`
[INFO] [stdout] 58b9fae64ae0e1b763630ff0e6c3e9ac19907c0c9af4ec91706974d0674f574e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 3828e6f4f7956c7265fb92d7e97468e030fc099e56549c477e835b51a98ede52
[INFO] running `Command { std: "docker" "start" "-a" "3828e6f4f7956c7265fb92d7e97468e030fc099e56549c477e835b51a98ede52", kill_on_drop: false }`
[INFO] [stderr]    Compiling kahan_pairs v1.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.14s
[INFO] running `Command { std: "docker" "inspect" "3828e6f4f7956c7265fb92d7e97468e030fc099e56549c477e835b51a98ede52", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3828e6f4f7956c7265fb92d7e97468e030fc099e56549c477e835b51a98ede52", kill_on_drop: false }`
[INFO] [stdout] 3828e6f4f7956c7265fb92d7e97468e030fc099e56549c477e835b51a98ede52
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 78543078b70aa0c992fe2ab7633cb733312c32d82b764762b56d0b9d1ac219b9
[INFO] running `Command { std: "docker" "start" "-a" "78543078b70aa0c992fe2ab7633cb733312c32d82b764762b56d0b9d1ac219b9", kill_on_drop: false }`
[INFO] [stderr]    Compiling kahan_pairs v1.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.24s
[INFO] running `Command { std: "docker" "inspect" "78543078b70aa0c992fe2ab7633cb733312c32d82b764762b56d0b9d1ac219b9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "78543078b70aa0c992fe2ab7633cb733312c32d82b764762b56d0b9d1ac219b9", kill_on_drop: false }`
[INFO] [stdout] 78543078b70aa0c992fe2ab7633cb733312c32d82b764762b56d0b9d1ac219b9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] f3d42074a28def003c7669bd99e40670da69caf3c0925f8a135af8e1c0bd6bf0
[INFO] running `Command { std: "docker" "start" "-a" "f3d42074a28def003c7669bd99e40670da69caf3c0925f8a135af8e1c0bd6bf0", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/kahan_pairs-b184de646fbce19d)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stderr]    Doc-tests kahan_pairs
[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 13 tests
[INFO] [stdout] test src/lib.rs - nth_pair (line 127) ... ok
[INFO] [stdout] test src/lib.rs - nth_pair_0 (line 183) ... ok
[INFO] [stdout] test src/lib.rs - (line 51) ... ok
[INFO] [stdout] test src/lib.rs - get_nth_pair (line 159) ... ok
[INFO] [stdout] test src/lib.rs - (line 37) ... ok
[INFO] [stdout] test src/lib.rs - get_nth_pair_0 (line 223) ... ok
[INFO] [stdout] test src/lib.rs - (line 23) ... ok
[INFO] [stdout] test src/lib.rs - nth_pair_0 (line 191) ... ok
[INFO] [stdout] test src/lib.rs - nth_pair (line 119) ... ok
[INFO] [stdout] test src/lib.rs - try_nth_pair_0 (line 207) ... ok
[INFO] [stdout] test src/lib.rs - pairs (line 77) ... ok
[INFO] [stdout] test src/lib.rs - try_nth_pair (line 143) ... ok
[INFO] [stdout] test src/lib.rs - pairs_0 (line 97) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 13 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.98s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "f3d42074a28def003c7669bd99e40670da69caf3c0925f8a135af8e1c0bd6bf0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f3d42074a28def003c7669bd99e40670da69caf3c0925f8a135af8e1c0bd6bf0", kill_on_drop: false }`
[INFO] [stdout] f3d42074a28def003c7669bd99e40670da69caf3c0925f8a135af8e1c0bd6bf0