[INFO] fetching crate docbox-search 0.6.0...
[INFO] checking docbox-search-0.6.0 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] extracting crate docbox-search 0.6.0 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate docbox-search 0.6.0
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate docbox-search 0.6.0
[INFO] tweaked toml for crates.io crate docbox-search 0.6.0 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate docbox-search 0.6.0 on toolchain 4f260f0f20b3133d20cfb50353c0221943af5796
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate docbox-search 0.6.0 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" "+4f260f0f20b3133d20cfb50353c0221943af5796" "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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8212a1065db0edb8abed2d1db59da203730e42185325ce38b9dd80a8e06a902a
[INFO] running `Command { std: "docker" "start" "-a" "8212a1065db0edb8abed2d1db59da203730e42185325ce38b9dd80a8e06a902a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8212a1065db0edb8abed2d1db59da203730e42185325ce38b9dd80a8e06a902a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8212a1065db0edb8abed2d1db59da203730e42185325ce38b9dd80a8e06a902a", kill_on_drop: false }`
[INFO] [stdout] 8212a1065db0edb8abed2d1db59da203730e42185325ce38b9dd80a8e06a902a
[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=forbid -Dunmustuse_in_always_ok" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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" "+4f260f0f20b3133d20cfb50353c0221943af5796" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bf21ada93635ff2d6fb2b330c784f20073636edbaf101307ed13d6f64aa43177
[INFO] running `Command { std: "docker" "start" "-a" "bf21ada93635ff2d6fb2b330c784f20073636edbaf101307ed13d6f64aa43177", kill_on_drop: false }`
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[INFO] [stdout] error: this type will no longer be must used: Result<SearchIndexFactoryConfig, DatabaseSearchIndexFactoryError>
[INFO] [stdout]   --> src/lib.rs:77:27
[INFO] [stdout]    |
[INFO] [stdout] 77 |               "database" => database::DatabaseSearchConfig::from_env()
[INFO] [stdout]    |  ___________________________^
[INFO] [stdout] 78 | |                 .map(Self::Database)
[INFO] [stdout]    | |____________________________________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<DatabaseSearchConfig, DatabaseSearchIndexFactoryError>
[INFO] [stdout]   --> src/lib.rs:77:27
[INFO] [stdout]    |
[INFO] [stdout] 77 |             "database" => database::DatabaseSearchConfig::from_env()
[INFO] [stdout]    |                           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<SearchIndexFactory, DatabaseSearchIndexFactoryError>
[INFO] [stdout]    --> src/lib.rs:119:17
[INFO] [stdout]     |
[INFO] [stdout] 119 | /                 database::DatabaseSearchIndexFactory::from_config(db, config)
[INFO] [stdout] 120 | |                     .map(SearchIndexFactory::Database)
[INFO] [stdout]     | |______________________________________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<DatabaseSearchIndexFactory, DatabaseSearchIndexFactoryError>
[INFO] [stdout]    --> src/lib.rs:119:17
[INFO] [stdout]     |
[INFO] [stdout] 119 |                 database::DatabaseSearchIndexFactory::from_config(db, config)
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<DatabaseSearchConfig, DatabaseSearchIndexFactoryError>
[INFO] [stdout]   --> src/database/mod.rs:46:72
[INFO] [stdout]    |
[INFO] [stdout] 46 |       pub fn from_env() -> Result<Self, DatabaseSearchIndexFactoryError> {
[INFO] [stdout]    |  ________________________________________________________________________^
[INFO] [stdout] 47 | |         Ok(Self {})
[INFO] [stdout] 48 | |     }
[INFO] [stdout]    | |_____^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<DatabaseSearchConfig, DatabaseSearchIndexFactoryError>
[INFO] [stdout]   --> src/database/mod.rs:47:9
[INFO] [stdout]    |
[INFO] [stdout] 47 |         Ok(Self {})
[INFO] [stdout]    |         ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<DatabaseSearchIndexFactory, DatabaseSearchIndexFactoryError>
[INFO] [stdout]   --> src/database/mod.rs:60:56
[INFO] [stdout]    |
[INFO] [stdout] 60 |       ) -> Result<Self, DatabaseSearchIndexFactoryError> {
[INFO] [stdout]    |  ________________________________________________________^
[INFO] [stdout] 61 | |         Ok(Self { db })
[INFO] [stdout] 62 | |     }
[INFO] [stdout]    | |_____^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<DatabaseSearchIndexFactory, DatabaseSearchIndexFactoryError>
[INFO] [stdout]   --> src/database/mod.rs:61:9
[INFO] [stdout]    |
[INFO] [stdout] 61 |         Ok(Self { db })
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `docbox-search` (lib) due to 8 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "bf21ada93635ff2d6fb2b330c784f20073636edbaf101307ed13d6f64aa43177", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bf21ada93635ff2d6fb2b330c784f20073636edbaf101307ed13d6f64aa43177", kill_on_drop: false }`
[INFO] [stdout] bf21ada93635ff2d6fb2b330c784f20073636edbaf101307ed13d6f64aa43177