[INFO] fetching crate mongodb-ensure-index 0.1.1...
[INFO] testing mongodb-ensure-index-0.1.1 against beta-2025-10-28 for beta-1.92-2
[INFO] extracting crate mongodb-ensure-index 0.1.1 into /workspace/builds/worker-3-tc2/source
[INFO] started tweaking crates.io crate mongodb-ensure-index 0.1.1
[INFO] finished tweaking crates.io crate mongodb-ensure-index 0.1.1
[INFO] tweaked toml for crates.io crate mongodb-ensure-index 0.1.1 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate mongodb-ensure-index 0.1.1 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] crate crates.io crate mongodb-ensure-index 0.1.1 already has a lockfile, it will not be regenerated
[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-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 803434cf3df479af25aeaaee7ee9af4fe50334a9d42780d2a2977054c4e1df65
[INFO] running `Command { std: "docker" "start" "-a" "803434cf3df479af25aeaaee7ee9af4fe50334a9d42780d2a2977054c4e1df65", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "803434cf3df479af25aeaaee7ee9af4fe50334a9d42780d2a2977054c4e1df65", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "803434cf3df479af25aeaaee7ee9af4fe50334a9d42780d2a2977054c4e1df65", kill_on_drop: false }`
[INFO] [stdout] 803434cf3df479af25aeaaee7ee9af4fe50334a9d42780d2a2977054c4e1df65
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] be6ab0fbcd82ea633de3e545fafac1b0170fe94bc59a0e876d2a864b86877a13
[INFO] running `Command { std: "docker" "start" "-a" "be6ab0fbcd82ea633de3e545fafac1b0170fe94bc59a0e876d2a864b86877a13", kill_on_drop: false }`
[INFO] [stderr]    Compiling zerovec v0.11.2
[INFO] [stderr]    Compiling libc v0.2.174
[INFO] [stderr]    Compiling crunchy v0.2.4
[INFO] [stderr]    Compiling tiny-keccak v2.0.2
[INFO] [stderr]    Compiling smallvec v1.15.1
[INFO] [stderr]    Compiling getrandom v0.3.3
[INFO] [stderr]    Compiling ring v0.17.14
[INFO] [stderr]    Compiling once_cell v1.21.3
[INFO] [stderr]    Compiling serde v1.0.219
[INFO] [stderr]    Compiling subtle v2.6.1
[INFO] [stderr]    Compiling semver v1.0.26
[INFO] [stderr]    Compiling digest v0.10.7
[INFO] [stderr]    Compiling signal-hook-registry v1.4.5
[INFO] [stderr]    Compiling strsim v0.11.1
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling futures-util v0.3.31
[INFO] [stderr]    Compiling tokio v1.46.1
[INFO] [stderr]    Compiling darling_core v0.20.11
[INFO] [stderr]    Compiling rustc_version v0.4.1
[INFO] [stderr]    Compiling tinystr v0.8.1
[INFO] [stderr]    Compiling potential_utf v0.1.2
[INFO] [stderr]    Compiling icu_locale_core v2.0.0
[INFO] [stderr]    Compiling icu_collections v2.0.0
[INFO] [stderr]    Compiling getrandom v0.2.16
[INFO] [stderr]    Compiling const-random-macro v0.1.16
[INFO] [stderr]    Compiling rand_core v0.9.3
[INFO] [stderr]    Compiling const-random v0.1.18
[INFO] [stderr]    Compiling macro_magic_core v0.5.1
[INFO] [stderr]    Compiling icu_provider v2.0.0
[INFO] [stderr]    Compiling icu_properties v2.0.1
[INFO] [stderr]    Compiling icu_normalizer v2.0.0
[INFO] [stderr]    Compiling macro_magic_macros v0.5.1
[INFO] [stderr]    Compiling tracing-core v0.1.34
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling enum-as-inner v0.6.1
[INFO] [stderr]    Compiling rustls v0.21.12
[INFO] [stderr]    Compiling rand_chacha v0.9.0
[INFO] [stderr]    Compiling tracing v0.1.41
[INFO] [stderr]    Compiling idna_adapter v1.2.1
[INFO] [stderr]    Compiling rustc_version_runtime v0.3.0
[INFO] [stderr]    Compiling parking_lot_core v0.9.11
[INFO] [stderr]    Compiling log v0.4.27
[INFO] [stderr]    Compiling idna v1.0.3
[INFO] [stderr]    Compiling data-encoding v2.9.0
[INFO] [stderr]    Compiling serde_json v1.0.140
[INFO] [stderr]    Compiling parking_lot v0.12.4
[INFO] [stderr]    Compiling rand v0.9.1
[INFO] [stderr]    Compiling darling_macro v0.20.11
[INFO] [stderr]    Compiling darling v0.20.11
[INFO] [stderr]    Compiling url v2.5.4
[INFO] [stderr]    Compiling rustls-webpki v0.101.7
[INFO] [stderr]    Compiling sct v0.7.1
[INFO] [stderr]    Compiling hickory-proto v0.24.4
[INFO] [stderr]    Compiling serde_with_macros v3.14.0
[INFO] [stderr]    Compiling macro_magic v0.5.1
[INFO] [stderr]    Compiling ahash v0.8.12
[INFO] [stderr]    Compiling futures-executor v0.3.31
[INFO] [stderr]    Compiling serde_bytes v0.11.17
[INFO] [stderr]    Compiling uuid v1.17.0
[INFO] [stderr]    Compiling resolv-conf v0.7.4
[INFO] [stderr]    Compiling chrono v0.4.41
[INFO] [stderr]    Compiling derive_more v0.99.20
[INFO] [stderr]    Compiling serde_with v3.14.0
[INFO] [stderr]    Compiling tokio-rustls v0.24.1
[INFO] [stderr]    Compiling bson v2.15.0
[INFO] [stderr]    Compiling typed-builder v0.10.0
[INFO] [stderr]    Compiling mongodb-internal-macros v3.2.4
[INFO] [stderr]    Compiling tokio-util v0.7.15
[INFO] [stderr]    Compiling hickory-resolver v0.24.4
[INFO] [stderr]    Compiling sha1 v0.10.6
[INFO] [stderr]    Compiling sha2 v0.10.9
[INFO] [stderr]    Compiling hmac v0.12.1
[INFO] [stderr]    Compiling pbkdf2 v0.11.0
[INFO] [stderr]    Compiling md-5 v0.10.6
[INFO] [stderr]    Compiling futures v0.3.31
[INFO] [stderr]    Compiling mongodb v3.2.4
[INFO] [stderr]    Compiling mongodb-ensure-index v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 40s
[INFO] running `Command { std: "docker" "inspect" "be6ab0fbcd82ea633de3e545fafac1b0170fe94bc59a0e876d2a864b86877a13", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "be6ab0fbcd82ea633de3e545fafac1b0170fe94bc59a0e876d2a864b86877a13", kill_on_drop: false }`
[INFO] [stdout] be6ab0fbcd82ea633de3e545fafac1b0170fe94bc59a0e876d2a864b86877a13
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] e9a77aef65b0c4758c98badaf2f346083e048cf3846322cd38559543d1df944b
[INFO] running `Command { std: "docker" "start" "-a" "e9a77aef65b0c4758c98badaf2f346083e048cf3846322cd38559543d1df944b", kill_on_drop: false }`
[INFO] [stderr]    Compiling mongodb-ensure-index v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.16s
[INFO] running `Command { std: "docker" "inspect" "e9a77aef65b0c4758c98badaf2f346083e048cf3846322cd38559543d1df944b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e9a77aef65b0c4758c98badaf2f346083e048cf3846322cd38559543d1df944b", kill_on_drop: false }`
[INFO] [stdout] e9a77aef65b0c4758c98badaf2f346083e048cf3846322cd38559543d1df944b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 854ff3125c391b0b68c5dc1698a59568e496a1b127b0652bec491eb5d4d2dc6f
[INFO] running `Command { std: "docker" "start" "-a" "854ff3125c391b0b68c5dc1698a59568e496a1b127b0652bec491eb5d4d2dc6f", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.24s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/mongodb_ensure_index-48c947b4efa213ca)
[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 mongodb_ensure_index
[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" "854ff3125c391b0b68c5dc1698a59568e496a1b127b0652bec491eb5d4d2dc6f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "854ff3125c391b0b68c5dc1698a59568e496a1b127b0652bec491eb5d4d2dc6f", kill_on_drop: false }`
[INFO] [stdout] 854ff3125c391b0b68c5dc1698a59568e496a1b127b0652bec491eb5d4d2dc6f