[INFO] cloning repository https://github.com/markazmierczak/r2d2-locked
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/markazmierczak/r2d2-locked" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmarkazmierczak%2Fr2d2-locked", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmarkazmierczak%2Fr2d2-locked'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 2635fd49e3370e80a2b49f2d3e5ce7fa30e561b8
[INFO] checking markazmierczak/r2d2-locked against master#dfd7b8d03fb93d0e03147d28b3be6d93260fa94d for pr-87050
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmarkazmierczak%2Fr2d2-locked" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/markazmierczak/r2d2-locked on toolchain dfd7b8d03fb93d0e03147d28b3be6d93260fa94d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/markazmierczak/r2d2-locked
[INFO] finished tweaking git repo https://github.com/markazmierczak/r2d2-locked
[INFO] tweaked toml for git repo https://github.com/markazmierczak/r2d2-locked written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/markazmierczak/r2d2-locked already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "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-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bebe94a4436250a4084f3b10bda19c59a220e6ee104c0a1e421b421714f9438f
[INFO] running `Command { std: "docker" "start" "-a" "bebe94a4436250a4084f3b10bda19c59a220e6ee104c0a1e421b421714f9438f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bebe94a4436250a4084f3b10bda19c59a220e6ee104c0a1e421b421714f9438f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bebe94a4436250a4084f3b10bda19c59a220e6ee104c0a1e421b421714f9438f", kill_on_drop: false }`
[INFO] [stdout] bebe94a4436250a4084f3b10bda19c59a220e6ee104c0a1e421b421714f9438f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "-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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e1ca031770d9b44466ac5a902a96876c3366da7046c0cf0b3dad9b8be32969c2
[INFO] running `Command { std: "docker" "start" "-a" "e1ca031770d9b44466ac5a902a96876c3366da7046c0cf0b3dad9b8be32969c2", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking cfg-if v0.1.9
[INFO] [stderr]     Checking rand_core v0.4.2
[INFO] [stderr]    Compiling autocfg v0.1.6
[INFO] [stderr]     Checking smallvec v0.6.10
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling arrayvec v0.4.11
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling pkg-config v0.3.15
[INFO] [stderr]    Compiling byteorder v1.3.2
[INFO] [stderr]     Checking lock_api v0.3.1
[INFO] [stderr]     Checking lock_api v0.2.0
[INFO] [stderr]    Compiling parking_lot_core v0.6.2
[INFO] [stderr]    Compiling memoffset v0.5.1
[INFO] [stderr]    Compiling parking_lot v0.9.0
[INFO] [stderr]    Compiling parking_lot_core v0.5.0
[INFO] [stderr]    Compiling parking_lot v0.8.0
[INFO] [stderr]     Checking crossbeam-utils v0.6.6
[INFO] [stderr]     Checking rand_core v0.3.1
[INFO] [stderr]     Checking rand_jitter v0.1.4
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking rand_isaac v0.1.1
[INFO] [stderr]     Checking rand_xorshift v0.1.1
[INFO] [stderr]     Checking rand_hc v0.1.0
[INFO] [stderr]     Checking crossbeam-queue v0.1.2
[INFO] [stderr]     Checking crossbeam-channel v0.3.9
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling libsqlite3-sys v0.12.0
[INFO] [stderr]     Checking crossbeam-epoch v0.7.2
[INFO] [stderr]     Checking scheduled-thread-pool v0.2.2
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]     Checking crossbeam-deque v0.7.1
[INFO] [stderr]     Checking crossbeam v0.7.2
[INFO] [stderr]     Checking r2d2 v0.8.5
[INFO] [stderr]    Compiling diesel_derives v1.4.0
[INFO] [stderr]     Checking diesel v1.4.2
[INFO] [stderr]     Checking r2d2-locked v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function cannot return without recursing
[INFO] [stdout]   --> src/main.rs:41:5
[INFO] [stdout]    |
[INFO] [stdout] 41 |     fn execute(&self, query: &str) -> QueryResult<usize> {
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ cannot return without recursing
[INFO] [stdout] 42 |         self.execute(query)
[INFO] [stdout]    |         ------------------- recursive call site
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unconditional_recursion)]` on by default
[INFO] [stdout]    = help: a `loop` may express intention better if this is on purpose
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function cannot return without recursing
[INFO] [stdout]   --> src/main.rs:45:5
[INFO] [stdout]    |
[INFO] [stdout] 45 | /     fn query_by_index<T, U>(&self, source: T) -> QueryResult<Vec<U>>
[INFO] [stdout] 46 | |     where
[INFO] [stdout] 47 | |         T: AsQuery,
[INFO] [stdout] 48 | |         T::Query: QueryFragment<Self::Backend> + QueryId,
[INFO] [stdout] ...  |
[INFO] [stdout] 52 | |         self.query_by_index(source)
[INFO] [stdout]    | |         --------------------------- recursive call site
[INFO] [stdout] 53 | |     }
[INFO] [stdout]    | |_____^ cannot return without recursing
[INFO] [stdout]    |
[INFO] [stdout]    = help: a `loop` may express intention better if this is on purpose
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function cannot return without recursing
[INFO] [stdout]   --> src/main.rs:55:5
[INFO] [stdout]    |
[INFO] [stdout] 55 | /     fn query_by_name<T, U>(&self, source: &T) -> QueryResult<Vec<U>>
[INFO] [stdout] 56 | |     where
[INFO] [stdout] 57 | |         T: QueryFragment<Self::Backend> + QueryId,
[INFO] [stdout] 58 | |         U: QueryableByName<Self::Backend>,
[INFO] [stdout] 59 | |     {
[INFO] [stdout] 60 | |         self.query_by_name(source)
[INFO] [stdout]    | |         -------------------------- recursive call site
[INFO] [stdout] 61 | |     }
[INFO] [stdout]    | |_____^ cannot return without recursing
[INFO] [stdout]    |
[INFO] [stdout]    = help: a `loop` may express intention better if this is on purpose
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function cannot return without recursing
[INFO] [stdout]   --> src/main.rs:63:5
[INFO] [stdout]    |
[INFO] [stdout] 63 | /     fn execute_returning_count<T>(&self, source: &T) -> QueryResult<usize>
[INFO] [stdout] 64 | |     where
[INFO] [stdout] 65 | |         T: QueryFragment<Self::Backend> + QueryId,
[INFO] [stdout] 66 | |     {
[INFO] [stdout] 67 | |         self.execute_returning_count(source)
[INFO] [stdout]    | |         ------------------------------------ recursive call site
[INFO] [stdout] 68 | |     }
[INFO] [stdout]    | |_____^ cannot return without recursing
[INFO] [stdout]    |
[INFO] [stdout]    = help: a `loop` may express intention better if this is on purpose
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function cannot return without recursing
[INFO] [stdout]   --> src/main.rs:70:5
[INFO] [stdout]    |
[INFO] [stdout] 70 |     fn transaction_manager(&self) -> &Self::TransactionManager {
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ cannot return without recursing
[INFO] [stdout] 71 |         self.transaction_manager()
[INFO] [stdout]    |         -------------------------- recursive call site
[INFO] [stdout]    |
[INFO] [stdout]    = help: a `loop` may express intention better if this is on purpose
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function cannot return without recursing
[INFO] [stdout]   --> src/main.rs:41:5
[INFO] [stdout]    |
[INFO] [stdout] 41 |     fn execute(&self, query: &str) -> QueryResult<usize> {
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ cannot return without recursing
[INFO] [stdout] 42 |         self.execute(query)
[INFO] [stdout]    |         ------------------- recursive call site
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unconditional_recursion)]` on by default
[INFO] [stdout]    = help: a `loop` may express intention better if this is on purpose
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function cannot return without recursing
[INFO] [stdout]   --> src/main.rs:45:5
[INFO] [stdout]    |
[INFO] [stdout] 45 | /     fn query_by_index<T, U>(&self, source: T) -> QueryResult<Vec<U>>
[INFO] [stdout] 46 | |     where
[INFO] [stdout] 47 | |         T: AsQuery,
[INFO] [stdout] 48 | |         T::Query: QueryFragment<Self::Backend> + QueryId,
[INFO] [stdout] ...  |
[INFO] [stdout] 52 | |         self.query_by_index(source)
[INFO] [stdout]    | |         --------------------------- recursive call site
[INFO] [stdout] 53 | |     }
[INFO] [stdout]    | |_____^ cannot return without recursing
[INFO] [stdout]    |
[INFO] [stdout]    = help: a `loop` may express intention better if this is on purpose
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function cannot return without recursing
[INFO] [stdout]   --> src/main.rs:55:5
[INFO] [stdout]    |
[INFO] [stdout] 55 | /     fn query_by_name<T, U>(&self, source: &T) -> QueryResult<Vec<U>>
[INFO] [stdout] 56 | |     where
[INFO] [stdout] 57 | |         T: QueryFragment<Self::Backend> + QueryId,
[INFO] [stdout] 58 | |         U: QueryableByName<Self::Backend>,
[INFO] [stdout] 59 | |     {
[INFO] [stdout] 60 | |         self.query_by_name(source)
[INFO] [stdout]    | |         -------------------------- recursive call site
[INFO] [stdout] 61 | |     }
[INFO] [stdout]    | |_____^ cannot return without recursing
[INFO] [stdout]    |
[INFO] [stdout]    = help: a `loop` may express intention better if this is on purpose
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function cannot return without recursing
[INFO] [stdout]   --> src/main.rs:63:5
[INFO] [stdout]    |
[INFO] [stdout] 63 | /     fn execute_returning_count<T>(&self, source: &T) -> QueryResult<usize>
[INFO] [stdout] 64 | |     where
[INFO] [stdout] 65 | |         T: QueryFragment<Self::Backend> + QueryId,
[INFO] [stdout] 66 | |     {
[INFO] [stdout] 67 | |         self.execute_returning_count(source)
[INFO] [stdout]    | |         ------------------------------------ recursive call site
[INFO] [stdout] 68 | |     }
[INFO] [stdout]    | |_____^ cannot return without recursing
[INFO] [stdout]    |
[INFO] [stdout]    = help: a `loop` may express intention better if this is on purpose
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function cannot return without recursing
[INFO] [stdout]   --> src/main.rs:70:5
[INFO] [stdout]    |
[INFO] [stdout] 70 |     fn transaction_manager(&self) -> &Self::TransactionManager {
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ cannot return without recursing
[INFO] [stdout] 71 |         self.transaction_manager()
[INFO] [stdout]    |         -------------------------- recursive call site
[INFO] [stdout]    |
[INFO] [stdout]    = help: a `loop` may express intention better if this is on purpose
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 25.86s
[INFO] running `Command { std: "docker" "inspect" "e1ca031770d9b44466ac5a902a96876c3366da7046c0cf0b3dad9b8be32969c2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e1ca031770d9b44466ac5a902a96876c3366da7046c0cf0b3dad9b8be32969c2", kill_on_drop: false }`
[INFO] [stdout] e1ca031770d9b44466ac5a902a96876c3366da7046c0cf0b3dad9b8be32969c2