[INFO] fetching crate maybe-borrow 0.1.2... [INFO] testing maybe-borrow-0.1.2 against beta-2025-10-28 for beta-1.92-2 [INFO] extracting crate maybe-borrow 0.1.2 into /workspace/builds/worker-5-tc2/source [INFO] started tweaking crates.io crate maybe-borrow 0.1.2 [INFO] removed 0 missing tests [INFO] finished tweaking crates.io crate maybe-borrow 0.1.2 [INFO] tweaked toml for crates.io crate maybe-borrow 0.1.2 written to /workspace/builds/worker-5-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate maybe-borrow 0.1.2 on toolchain beta-2025-10-28 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-10-28" "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-2025-10-28" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 18 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-2025-10-28" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 03e4c0fdfc83e99ffff79c6f3ae7c0cf9d5bc41ed2c4d2fa4fffab51754f007d [INFO] running `Command { std: "docker" "start" "-a" "03e4c0fdfc83e99ffff79c6f3ae7c0cf9d5bc41ed2c4d2fa4fffab51754f007d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "03e4c0fdfc83e99ffff79c6f3ae7c0cf9d5bc41ed2c4d2fa4fffab51754f007d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "03e4c0fdfc83e99ffff79c6f3ae7c0cf9d5bc41ed2c4d2fa4fffab51754f007d", kill_on_drop: false }` [INFO] [stdout] 03e4c0fdfc83e99ffff79c6f3ae7c0cf9d5bc41ed2c4d2fa4fffab51754f007d [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 7f2617eafe35f633d2f1c8fcbf06c789e6d77f3d779a0f486002208171e20d89 [INFO] running `Command { std: "docker" "start" "-a" "7f2617eafe35f633d2f1c8fcbf06c789e6d77f3d779a0f486002208171e20d89", kill_on_drop: false }` [INFO] [stderr] Compiling should-it-compile v0.1.1 [INFO] [stderr] Compiling maybe-borrow v0.1.2 (/opt/rustwide/workdir) [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.34s [INFO] running `Command { std: "docker" "inspect" "7f2617eafe35f633d2f1c8fcbf06c789e6d77f3d779a0f486002208171e20d89", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7f2617eafe35f633d2f1c8fcbf06c789e6d77f3d779a0f486002208171e20d89", kill_on_drop: false }` [INFO] [stdout] 7f2617eafe35f633d2f1c8fcbf06c789e6d77f3d779a0f486002208171e20d89 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 264c9dbb13711563de213b40d64871579aab9a05e499d3a0603a7811fe093997 [INFO] running `Command { std: "docker" "start" "-a" "264c9dbb13711563de213b40d64871579aab9a05e499d3a0603a7811fe093997", kill_on_drop: false }` [INFO] [stderr] Compiling futures-sink v0.3.31 [INFO] [stderr] Compiling futures-macro v0.3.31 [INFO] [stderr] Compiling futures-channel v0.3.31 [INFO] [stderr] Compiling futures-util v0.3.31 [INFO] [stderr] Compiling futures-executor v0.3.31 [INFO] [stderr] Compiling futures v0.3.31 [INFO] [stderr] Compiling maybe-borrow v0.1.2 (/opt/rustwide/workdir) [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 5.39s [INFO] running `Command { std: "docker" "inspect" "264c9dbb13711563de213b40d64871579aab9a05e499d3a0603a7811fe093997", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "264c9dbb13711563de213b40d64871579aab9a05e499d3a0603a7811fe093997", kill_on_drop: false }` [INFO] [stdout] 264c9dbb13711563de213b40d64871579aab9a05e499d3a0603a7811fe093997 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] b2d94c4206e555a5a13909e14d46aacfedd3fac2f508c73a2468a2ff4233783f [INFO] running `Command { std: "docker" "start" "-a" "b2d94c4206e555a5a13909e14d46aacfedd3fac2f508c73a2468a2ff4233783f", 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/maybe_borrow-353ee8265f2b3e9d) [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stderr] Running tests/lending_iterator.rs (/opt/rustwide/target/debug/deps/lending_iterator-bfcf37d48486924b) [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 2 tests [INFO] [stdout] test test_next_filtered ... ok [INFO] [stdout] test test_next_filtered_with_try ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stderr] Running tests/lending_stream.rs (/opt/rustwide/target/debug/deps/lending_stream-5921a558dec47037) [INFO] [stdout] [INFO] [stdout] running 2 tests [INFO] [stdout] test test_next_filtered ... ok [INFO] [stdout] test test_next_filtered_with_try ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stderr] Running tests/maps.rs (/opt/rustwide/target/debug/deps/maps-731bfc944c18cf4a) [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] [stderr] Doc-tests maybe_borrow [INFO] [stdout] [INFO] [stdout] running 13 tests [INFO] [stdout] test src/macros/mod.rs - macros::maybe_borrow (line 9) ... ignored [INFO] [stdout] test src/lib.rs - (line 25) - compile fail ... ok [INFO] [stdout] test src/compile_fail.rs - compile_fail::pairs::distinct_lifetimes (line 3) - compile fail ... ok [INFO] [stdout] test src/compile_fail.rs - compile_fail::pairs::lifetimes_with_common_supertype (line 3) - compile fail ... ok [INFO] [stdout] test src/lib.rs - (line 162) ... ok [INFO] [stdout] test src/macros/mod.rs - macros::try_maybe_borrow (line 35) ... ok [INFO] [stdout] test src/lib.rs - (line 116) - compile fail ... ok [INFO] [stdout] test src/compile_fail.rs - compile_fail::pairs::lifetimes_with_common_supertype_and_borrowed_return (line 3) - compile fail ... ok [INFO] [stdout] test src/lib.rs - (line 88) ... ok [INFO] [stdout] test src/lib.rs - (line 208) ... ok [INFO] [stdout] test src/lib.rs - (line 236) ... ok [INFO] [stdout] test src/macros/mod.rs - macros::maybe_borrow (line 39) ... ok [INFO] [stdout] test src/macros/mod.rs - macros::maybe_borrow (line 82) ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 12 passed; 0 failed; 1 ignored; 0 measured; 0 filtered out; finished in 0.94s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "b2d94c4206e555a5a13909e14d46aacfedd3fac2f508c73a2468a2ff4233783f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b2d94c4206e555a5a13909e14d46aacfedd3fac2f508c73a2468a2ff4233783f", kill_on_drop: false }` [INFO] [stdout] b2d94c4206e555a5a13909e14d46aacfedd3fac2f508c73a2468a2ff4233783f