[INFO] fetching crate bb8 0.9.0...
[INFO] checking bb8-0.9.0 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] extracting crate bb8 0.9.0 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate bb8 0.9.0
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate bb8 0.9.0
[INFO] tweaked toml for crates.io crate bb8 0.9.0 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate bb8 0.9.0 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] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 21 packages to latest compatible versions
[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] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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] 2f199c4da85d6f7831d75542113a29328873d858b10d405b6b9d36b4b74109e9
[INFO] running `Command { std: "docker" "start" "-a" "2f199c4da85d6f7831d75542113a29328873d858b10d405b6b9d36b4b74109e9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2f199c4da85d6f7831d75542113a29328873d858b10d405b6b9d36b4b74109e9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2f199c4da85d6f7831d75542113a29328873d858b10d405b6b9d36b4b74109e9", kill_on_drop: false }`
[INFO] [stdout] 2f199c4da85d6f7831d75542113a29328873d858b10d405b6b9d36b4b74109e9
[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] fecde360b58b3ce58800ec70f395422682721950eedd1334ac0f39cfd05c0d15
[INFO] running `Command { std: "docker" "start" "-a" "fecde360b58b3ce58800ec70f395422682721950eedd1334ac0f39cfd05c0d15", kill_on_drop: false }`
[INFO] [stderr]     Checking futures-core v0.3.31
[INFO] [stderr]    Compiling tokio-macros v2.6.0
[INFO] [stderr]     Checking parking_lot v0.12.5
[INFO] [stderr]     Checking futures-util v0.3.31
[INFO] [stderr]     Checking tokio v1.48.0
[INFO] [stderr]     Checking bb8 v0.9.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: this type will no longer be must used: Result<test_broken_connections_dont_starve_pool::{closure#0}::Connection, Infallible>
[INFO] [stdout]    --> tests/test.rs:955:74
[INFO] [stdout]     |
[INFO] [stdout] 955 |           async fn connect(&self) -> Result<Self::Connection, Self::Error> {
[INFO] [stdout]     |  __________________________________________________________________________^
[INFO] [stdout] 956 | |             Ok(Connection)
[INFO] [stdout] 957 | |         }
[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<test_broken_connections_dont_starve_pool::{closure#0}::Connection, Infallible>
[INFO] [stdout]    --> tests/test.rs:955:74
[INFO] [stdout]     |
[INFO] [stdout] 955 |           async fn connect(&self) -> Result<Self::Connection, Self::Error> {
[INFO] [stdout]     |  __________________________________________________________________________^
[INFO] [stdout] 956 | |             Ok(Connection)
[INFO] [stdout] 957 | |         }
[INFO] [stdout]     | |_________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<test_broken_connections_dont_starve_pool::{closure#0}::Connection, Infallible>
[INFO] [stdout]    --> tests/test.rs:956:13
[INFO] [stdout]     |
[INFO] [stdout] 956 |             Ok(Connection)
[INFO] [stdout]     |             ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<bb8::Pool<ConnectionManager>, Infallible>
[INFO] [stdout]    --> tests/test.rs:971:16
[INFO] [stdout]     |
[INFO] [stdout] 971 |       let pool = bb8::Pool::builder()
[INFO] [stdout]     |  ________________^
[INFO] [stdout] 972 | |         .max_size(5)
[INFO] [stdout] 973 | |         .connection_timeout(Duration::from_secs(10))
[INFO] [stdout] 974 | |         .build(ConnectionManager::default())
[INFO] [stdout] 975 | |         .await
[INFO] [stdout]     | |______________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<bb8::Pool<ConnectionManager>, Infallible>
[INFO] [stdout]    --> tests/test.rs:975:10
[INFO] [stdout]     |
[INFO] [stdout] 975 |         .await
[INFO] [stdout]     |          ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<bb8::Pool<ConnectionManager>, Infallible>
[INFO] [stdout]    --> tests/test.rs:971:16
[INFO] [stdout]     |
[INFO] [stdout] 971 |       let pool = bb8::Pool::builder()
[INFO] [stdout]     |  ________________^
[INFO] [stdout] 972 | |         .max_size(5)
[INFO] [stdout] 973 | |         .connection_timeout(Duration::from_secs(10))
[INFO] [stdout] 974 | |         .build(ConnectionManager::default())
[INFO] [stdout] 975 | |         .await
[INFO] [stdout]     | |______________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `bb8` (test "test") due to 6 previous errors
[INFO] running `Command { std: "docker" "inspect" "fecde360b58b3ce58800ec70f395422682721950eedd1334ac0f39cfd05c0d15", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fecde360b58b3ce58800ec70f395422682721950eedd1334ac0f39cfd05c0d15", kill_on_drop: false }`
[INFO] [stdout] fecde360b58b3ce58800ec70f395422682721950eedd1334ac0f39cfd05c0d15
