[INFO] cloning repository https://github.com/Pzixel/stock-exchange-matcher
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Pzixel/stock-exchange-matcher" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPzixel%2Fstock-exchange-matcher"`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPzixel%2Fstock-exchange-matcher'...
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] f034a3246585c26c4ea73b1ff4d3cfe4a559c32c
[INFO] checking Pzixel/stock-exchange-matcher against master#2748a9fd93dd1a00a4521f4f16de5befbf77f6cd for pr-62262-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPzixel%2Fstock-exchange-matcher" "/workspace/builds/worker-6/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Pzixel/stock-exchange-matcher on toolchain 2748a9fd93dd1a00a4521f4f16de5befbf77f6cd
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/Pzixel/stock-exchange-matcher
[INFO] finished tweaking git repo https://github.com/Pzixel/stock-exchange-matcher
[INFO] tweaked toml for git repo https://github.com/Pzixel/stock-exchange-matcher written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/Pzixel/stock-exchange-matcher already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 494bcd51bf2900bd1b7dfcb58c19b81d4b533aa1120f129f5f1783110f57e6db
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "494bcd51bf2900bd1b7dfcb58c19b81d4b533aa1120f129f5f1783110f57e6db"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking stock-exchange-matcher v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: variant is never constructed: `Queued`
[INFO] [stderr]  --> src/dto.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 |     Queued,
[INFO] [stderr]   |     ^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Executed`
[INFO] [stderr]  --> src/dto.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 |     Executed(Vec<u64>),
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Cancelled`
[INFO] [stderr]  --> src/dto.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 |     Cancelled,
[INFO] [stderr]   |     ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Ask`
[INFO] [stderr]   --> src/dto.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 |     Ask, // sell
[INFO] [stderr]    |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Bid`
[INFO] [stderr]   --> src/dto.rs:11:5
[INFO] [stderr]    |
[INFO] [stderr] 11 |     Bid, // buy
[INFO] [stderr]    |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Limit`
[INFO] [stderr]   --> src/dto.rs:16:5
[INFO] [stderr]    |
[INFO] [stderr] 16 |     Limit,
[INFO] [stderr]    |     ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `FillOrKill`
[INFO] [stderr]   --> src/dto.rs:17:5
[INFO] [stderr]    |
[INFO] [stderr] 17 |     FillOrKill,
[INFO] [stderr]    |     ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `ImmediateOrCancel`
[INFO] [stderr]   --> src/dto.rs:18:5
[INFO] [stderr]    |
[INFO] [stderr] 18 |     ImmediateOrCancel,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Request`
[INFO] [stderr]   --> src/dto.rs:21:1
[INFO] [stderr]    |
[INFO] [stderr] 21 | pub struct Request {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Order`
[INFO] [stderr]   --> src/dto.rs:29:1
[INFO] [stderr]    |
[INFO] [stderr] 29 | pub struct Order {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Matcher`
[INFO] [stderr]  --> src/main.rs:8:1
[INFO] [stderr]   |
[INFO] [stderr] 8 | struct Matcher {
[INFO] [stderr]   | ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]   --> src/main.rs:15:5
[INFO] [stderr]    |
[INFO] [stderr] 15 |     pub fn new() -> Self {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `try_match`
[INFO] [stderr]   --> src/main.rs:23:5
[INFO] [stderr]    |
[INFO] [stderr] 23 |     pub fn try_match(&mut self, request: Request) -> MatchingResult {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `has_sum`
[INFO] [stderr]   --> src/main.rs:49:5
[INFO] [stderr]    |
[INFO] [stderr] 49 |     fn has_sum(&self, request: Request) -> bool {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Executed`
[INFO] [stderr]  --> src/dto.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 |     Executed(Vec<u64>),
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `ImmediateOrCancel`
[INFO] [stderr]   --> src/dto.rs:18:5
[INFO] [stderr]    |
[INFO] [stderr] 18 |     ImmediateOrCancel,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `current_request_id`
[INFO] [stderr]   --> src/main.rs:11:5
[INFO] [stderr]    |
[INFO] [stderr] 11 |     current_request_id: u64,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.23s
[INFO] running `"docker" "inspect" "494bcd51bf2900bd1b7dfcb58c19b81d4b533aa1120f129f5f1783110f57e6db"`
[INFO] running `"docker" "rm" "-f" "494bcd51bf2900bd1b7dfcb58c19b81d4b533aa1120f129f5f1783110f57e6db"`
[INFO] [stdout] 494bcd51bf2900bd1b7dfcb58c19b81d4b533aa1120f129f5f1783110f57e6db