[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#a7a572ce3edd6d476191fbfe92c9c1986e009b34 for pr-87190-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPzixel%2Fstock-exchange-matcher" "/workspace/builds/worker-76/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-76/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Pzixel/stock-exchange-matcher on toolchain a7a572ce3edd6d476191fbfe92c9c1986e009b34
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", 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-76/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" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded assert_matches v1.3.0
[INFO] [stderr]   Downloaded itertools v0.8.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-76/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-76/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" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d13c99bca7194ea92999a2eeccc25f93ac2ea014be864d5c566ff87112d65e5f
[INFO] running `Command { std: "docker" "start" "-a" "d13c99bca7194ea92999a2eeccc25f93ac2ea014be864d5c566ff87112d65e5f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d13c99bca7194ea92999a2eeccc25f93ac2ea014be864d5c566ff87112d65e5f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d13c99bca7194ea92999a2eeccc25f93ac2ea014be864d5c566ff87112d65e5f", kill_on_drop: false }`
[INFO] [stdout] d13c99bca7194ea92999a2eeccc25f93ac2ea014be864d5c566ff87112d65e5f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-76/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-76/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" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f65794c46c4f63eda6da04de99ca280c075bf320ac3f5d41a98cb5d0abba36b2
[INFO] running `Command { std: "docker" "start" "-a" "f65794c46c4f63eda6da04de99ca280c075bf320ac3f5d41a98cb5d0abba36b2", kill_on_drop: false }`
[INFO] [stderr] Copying to /tmp/fixit
[INFO] [stderr] Running `cargo fix --edition`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking either v1.5.0
[INFO] [stderr]     Checking assert_matches v1.3.0
[INFO] [stderr]     Checking itertools v0.8.0
[INFO] [stderr]     Checking stock-exchange-matcher v0.1.0 (/tmp/fixit)
[INFO] [stderr]    Migrating src/main.rs from 2018 edition to 2021
[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: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[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: 14 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 21.62s
[INFO] [stderr] Running `cargo check` to verify 2021
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking stock-exchange-matcher v0.1.0 (/tmp/fixit)
[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: `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: 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: 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 4.25s
[INFO] running `Command { std: "docker" "inspect" "f65794c46c4f63eda6da04de99ca280c075bf320ac3f5d41a98cb5d0abba36b2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f65794c46c4f63eda6da04de99ca280c075bf320ac3f5d41a98cb5d0abba36b2", kill_on_drop: false }`
[INFO] [stdout] f65794c46c4f63eda6da04de99ca280c075bf320ac3f5d41a98cb5d0abba36b2