[INFO] cloning repository https://github.com/Pzixel/stock-exchange-matcher
[INFO] running `Command { std: "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", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPzixel%2Fstock-exchange-matcher'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f034a3246585c26c4ea73b1ff4d3cfe4a559c32c
[INFO] checking Pzixel/stock-exchange-matcher against try#f47dd4da3ae8c32c9e65d307bfe640b143e674df for pr-77526
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPzixel%2Fstock-exchange-matcher" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Pzixel/stock-exchange-matcher on toolchain f47dd4da3ae8c32c9e65d307bfe640b143e674df
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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-4/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 `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 11956b86d18a6c35f1434fb56487138a6964d95e18bfa182f781c5418de37019
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "11956b86d18a6c35f1434fb56487138a6964d95e18bfa182f781c5418de37019", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "11956b86d18a6c35f1434fb56487138a6964d95e18bfa182f781c5418de37019", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "11956b86d18a6c35f1434fb56487138a6964d95e18bfa182f781c5418de37019", kill_on_drop: false }`
[INFO] [stdout] 11956b86d18a6c35f1434fb56487138a6964d95e18bfa182f781c5418de37019
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7aada764f2def61d6e59b1766c30b3e5cc27ea16ba3863ee84d532f872cee0c4
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "7aada764f2def61d6e59b1766c30b3e5cc27ea16ba3863ee84d532f872cee0c4", kill_on_drop: false }`
[INFO] [stderr]     Checking itertools v0.8.0
[INFO] [stderr]     Checking stock-exchange-matcher v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variant is never constructed: `Queued`
[INFO] [stdout]  --> src/dto.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 |     Queued,
[INFO] [stdout]   |     ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Executed`
[INFO] [stdout]  --> src/dto.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 |     Executed(Vec<u64>),
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Cancelled`
[INFO] [stdout]  --> src/dto.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 |     Cancelled,
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Ask`
[INFO] [stdout]   --> src/dto.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 |     Ask, // sell
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Bid`
[INFO] [stdout]   --> src/dto.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 |     Bid, // buy
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Limit`
[INFO] [stdout]   --> src/dto.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 16 |     Limit,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `FillOrKill`
[INFO] [stdout]   --> src/dto.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 17 |     FillOrKill,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `ImmediateOrCancel`
[INFO] [stdout]   --> src/dto.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 18 |     ImmediateOrCancel,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Request`
[INFO] [stdout]   --> src/dto.rs:21:12
[INFO] [stdout]    |
[INFO] [stdout] 21 | pub struct Request {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Order`
[INFO] [stdout]   --> src/dto.rs:29:12
[INFO] [stdout]    |
[INFO] [stdout] 29 | pub struct Order {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Matcher`
[INFO] [stdout]  --> src/main.rs:8:8
[INFO] [stdout]   |
[INFO] [stdout] 8 | struct Matcher {
[INFO] [stdout]   |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/main.rs:15:12
[INFO] [stdout]    |
[INFO] [stdout] 15 |     pub fn new() -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `try_match`
[INFO] [stdout]   --> src/main.rs:23:12
[INFO] [stdout]    |
[INFO] [stdout] 23 |     pub fn try_match(&mut self, request: Request) -> MatchingResult {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `has_sum`
[INFO] [stdout]   --> src/main.rs:49:8
[INFO] [stdout]    |
[INFO] [stdout] 49 |     fn has_sum(&self, request: Request) -> bool {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Executed`
[INFO] [stdout]  --> src/dto.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 |     Executed(Vec<u64>),
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `ImmediateOrCancel`
[INFO] [stdout]   --> src/dto.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 18 |     ImmediateOrCancel,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `current_request_id`
[INFO] [stdout]   --> src/main.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 |     current_request_id: u64,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 14 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.48s
[INFO] running `Command { std: "docker" "inspect" "7aada764f2def61d6e59b1766c30b3e5cc27ea16ba3863ee84d532f872cee0c4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7aada764f2def61d6e59b1766c30b3e5cc27ea16ba3863ee84d532f872cee0c4", kill_on_drop: false }`
[INFO] [stdout] 7aada764f2def61d6e59b1766c30b3e5cc27ea16ba3863ee84d532f872cee0c4