[INFO] cloning repository https://github.com/satyamjay-iitd/crabstore
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/satyamjay-iitd/crabstore" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsatyamjay-iitd%2Fcrabstore", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsatyamjay-iitd%2Fcrabstore'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c1c7954d60685c3fb89d1405c62e3534915d3ba0
[INFO] checking satyamjay-iitd/crabstore against try#f45c1ab62d4de6b63f69b4daa9d1f0b90c38a208 for pr-139419
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsatyamjay-iitd%2Fcrabstore" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/satyamjay-iitd/crabstore on toolchain f45c1ab62d4de6b63f69b4daa9d1f0b90c38a208
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f45c1ab62d4de6b63f69b4daa9d1f0b90c38a208" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/satyamjay-iitd/crabstore
[INFO] finished tweaking git repo https://github.com/satyamjay-iitd/crabstore
[INFO] tweaked toml for git repo https://github.com/satyamjay-iitd/crabstore written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/satyamjay-iitd/crabstore 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" "+f45c1ab62d4de6b63f69b4daa9d1f0b90c38a208" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] [stdout] 643e2f57a227f1a8303c12f866d981b121d73be9291bcb8e7bf0e331f55c751d
[INFO] running `Command { std: "docker" "start" "-a" "643e2f57a227f1a8303c12f866d981b121d73be9291bcb8e7bf0e331f55c751d", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "-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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+f45c1ab62d4de6b63f69b4daa9d1f0b90c38a208" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 27ee3af5e9042d3e810e5a728ac92ba1991611685ab1cc4008e8049e472b3920
[INFO] running `Command { std: "docker" "start" "-a" "27ee3af5e9042d3e810e5a728ac92ba1991611685ab1cc4008e8049e472b3920", kill_on_drop: false }`
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[INFO] [stderr]    Compiling crabstore-common v0.0.1 (/opt/rustwide/workdir/crates/crabstore-common)
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[INFO] [stderr]     Checking crabstore-client v0.1.0 (/opt/rustwide/workdir/crates/crabstore-client)
[INFO] [stderr]     Checking crabstore-store v0.0.1 (/opt/rustwide/workdir/crates/crabstore-server)
[INFO] [stdout] warning: unused variable: `allocator`
[INFO] [stdout]   --> crates/crabstore-server/src/store.rs:59:44
[INFO] [stdout]    |
[INFO] [stdout] 59 | async fn handle_client(stream: UnixStream, allocator: Arc<Mutex<RamAllocator>>) -> io::Result<()> {
[INFO] [stdout]    |                                            ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_allocator`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `size`
[INFO] [stdout]   --> crates/crabstore-server/src/allocator.rs:16:17
[INFO] [stdout]    |
[INFO] [stdout] 16 |     fn allocate(size: i64) -> Allocation {
[INFO] [stdout]    |                 ^^^^ help: if this is intentional, prefix it with an underscore: `_size`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `allocation`
[INFO] [stdout]   --> crates/crabstore-server/src/allocator.rs:20:13
[INFO] [stdout]    |
[INFO] [stdout] 20 |     fn free(allocation: Allocation) {
[INFO] [stdout]    |             ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_allocation`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `allocator`
[INFO] [stdout]   --> crates/crabstore-server/src/store.rs:59:44
[INFO] [stdout]    |
[INFO] [stdout] 59 | async fn handle_client(stream: UnixStream, allocator: Arc<Mutex<RamAllocator>>) -> io::Result<()> {
[INFO] [stdout]    |                                            ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_allocator`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Allocation` is never constructed
[INFO] [stdout]  --> crates/crabstore-server/src/allocator.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub struct Allocation {}
[INFO] [stdout]   |            ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Allocator` is never used
[INFO] [stdout]  --> crates/crabstore-server/src/allocator.rs:2:7
[INFO] [stdout]   |
[INFO] [stdout] 2 | trait Allocator {
[INFO] [stdout]   |       ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `mem_mapped_dir` is never read
[INFO] [stdout]   --> crates/crabstore-server/src/runner.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 7  | pub struct Runner {
[INFO] [stdout]    |            ------ field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 10 |     mem_mapped_dir: PathBuf,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `size`
[INFO] [stdout]   --> crates/crabstore-server/src/allocator.rs:16:17
[INFO] [stdout]    |
[INFO] [stdout] 16 |     fn allocate(size: i64) -> Allocation {
[INFO] [stdout]    |                 ^^^^ help: if this is intentional, prefix it with an underscore: `_size`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `allocation`
[INFO] [stdout]   --> crates/crabstore-server/src/allocator.rs:20:13
[INFO] [stdout]    |
[INFO] [stdout] 20 |     fn free(allocation: Allocation) {
[INFO] [stdout]    |             ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_allocation`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> crates/crabstore-server/src/runner.rs:36:9
[INFO] [stdout]    |
[INFO] [stdout] 36 |         runtime.block_on(async { self.store.start().await });
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 36 |         let _ = runtime.block_on(async { self.store.start().await });
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Allocation` is never constructed
[INFO] [stdout]  --> crates/crabstore-server/src/allocator.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub struct Allocation {}
[INFO] [stdout]   |            ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Allocator` is never used
[INFO] [stdout]  --> crates/crabstore-server/src/allocator.rs:2:7
[INFO] [stdout]   |
[INFO] [stdout] 2 | trait Allocator {
[INFO] [stdout]   |       ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `mem_mapped_dir` is never read
[INFO] [stdout]   --> crates/crabstore-server/src/runner.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 7  | pub struct Runner {
[INFO] [stdout]    |            ------ field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 10 |     mem_mapped_dir: PathBuf,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> crates/crabstore-server/src/runner.rs:36:9
[INFO] [stdout]    |
[INFO] [stdout] 36 |         runtime.block_on(async { self.store.start().await });
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 36 |         let _ = runtime.block_on(async { self.store.start().await });
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `crabstore_client::CrabClient`
[INFO] [stdout]  --> crates/crabstore-client/examples/demo.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use crabstore_client::CrabClient;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ no `CrabClient` in the root
[INFO] [stdout]   |
[INFO] [stdout] help: consider importing this struct instead
[INFO] [stdout]   |
[INFO] [stdout] 3 | use crabstore_client::client::CrabClient;
[INFO] [stdout]   |                       ++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `crabstore-client` (example "demo") due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "27ee3af5e9042d3e810e5a728ac92ba1991611685ab1cc4008e8049e472b3920", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "27ee3af5e9042d3e810e5a728ac92ba1991611685ab1cc4008e8049e472b3920", kill_on_drop: false }`
[INFO] [stdout] 27ee3af5e9042d3e810e5a728ac92ba1991611685ab1cc4008e8049e472b3920