[INFO] cloning repository https://github.com/Enforcer/rusty-matching-engine
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Enforcer/rusty-matching-engine" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FEnforcer%2Frusty-matching-engine", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FEnforcer%2Frusty-matching-engine'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c8d09d2db5201bf104e00ca2d0dbe57792b61fc7
[INFO] building Enforcer/rusty-matching-engine against master#11663cd3bfefef7d34e8f0892c250bf698049392+rustflags=-Dtail-expr-drop-order for pr-134523
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FEnforcer%2Frusty-matching-engine" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Enforcer/rusty-matching-engine on toolchain 11663cd3bfefef7d34e8f0892c250bf698049392
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Enforcer/rusty-matching-engine
[INFO] finished tweaking git repo https://github.com/Enforcer/rusty-matching-engine
[INFO] tweaked toml for git repo https://github.com/Enforcer/rusty-matching-engine written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/Enforcer/rusty-matching-engine 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" "+11663cd3bfefef7d34e8f0892c250bf698049392" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded text_io v0.1.7
[INFO] [stderr]   Downloaded intrusive-collections v0.8.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ccf13741a193c62fd885eec69eb52e74f2ec438f85a994eaa8c79da180926dae
[INFO] running `Command { std: "docker" "start" "-a" "ccf13741a193c62fd885eec69eb52e74f2ec438f85a994eaa8c79da180926dae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ccf13741a193c62fd885eec69eb52e74f2ec438f85a994eaa8c79da180926dae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ccf13741a193c62fd885eec69eb52e74f2ec438f85a994eaa8c79da180926dae", kill_on_drop: false }`
[INFO] [stdout] ccf13741a193c62fd885eec69eb52e74f2ec438f85a994eaa8c79da180926dae
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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 -Dtail-expr-drop-order" "-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fff7c69efb8adabd4a452732fb6f3ae6a9d766aacd2e54a6376769953e929018
[INFO] running `Command { std: "docker" "start" "-a" "fff7c69efb8adabd4a452732fb6f3ae6a9d766aacd2e54a6376769953e929018", kill_on_drop: false }`
[INFO] [stderr]    Compiling intrusive-collections v0.8.1
[INFO] [stderr]    Compiling text_io v0.1.7
[INFO] [stderr]    Compiling rusty_matching v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]   --> src/main.rs:39:6
[INFO] [stdout]    |
[INFO] [stdout] 39 | ) -> (VecDeque<Trade>) {
[INFO] [stdout]    |      ^               ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 39 - ) -> (VecDeque<Trade>) {
[INFO] [stdout] 39 + ) -> VecDeque<Trade> {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `executing_order_id`, `matched_order_id`, `timestamp`, `amount`, and `price` are never read
[INFO] [stdout]   --> src/orders.rs:12:9
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub struct Trade {
[INFO] [stdout]    |            ----- fields in this struct
[INFO] [stdout] 12 |     pub executing_order_id: i32,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 13 |     pub matched_order_id: i32,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^
[INFO] [stdout] 14 |     pub timestamp: u128,
[INFO] [stdout]    |         ^^^^^^^^^
[INFO] [stdout] 15 |     pub amount: i32,
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout] 16 |     pub price: i32,
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Trade` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.45s
[INFO] running `Command { std: "docker" "inspect" "fff7c69efb8adabd4a452732fb6f3ae6a9d766aacd2e54a6376769953e929018", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fff7c69efb8adabd4a452732fb6f3ae6a9d766aacd2e54a6376769953e929018", kill_on_drop: false }`
[INFO] [stdout] fff7c69efb8adabd4a452732fb6f3ae6a9d766aacd2e54a6376769953e929018
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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 -Dtail-expr-drop-order" "-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 82dd9eb6f27c2126609259fa82d7a9dc64e51c1cdbb7d4df802280470343aa02
[INFO] running `Command { std: "docker" "start" "-a" "82dd9eb6f27c2126609259fa82d7a9dc64e51c1cdbb7d4df802280470343aa02", kill_on_drop: false }`
[INFO] [stderr]    Compiling rusty_matching v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]   --> src/main.rs:39:6
[INFO] [stdout]    |
[INFO] [stdout] 39 | ) -> (VecDeque<Trade>) {
[INFO] [stdout]    |      ^               ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 39 - ) -> (VecDeque<Trade>) {
[INFO] [stdout] 39 + ) -> VecDeque<Trade> {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `executing_order_id`, `matched_order_id`, and `timestamp` are never read
[INFO] [stdout]   --> src/orders.rs:12:9
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub struct Trade {
[INFO] [stdout]    |            ----- fields in this struct
[INFO] [stdout] 12 |     pub executing_order_id: i32,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 13 |     pub matched_order_id: i32,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^
[INFO] [stdout] 14 |     pub timestamp: u128,
[INFO] [stdout]    |         ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Trade` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.22s
[INFO] running `Command { std: "docker" "inspect" "82dd9eb6f27c2126609259fa82d7a9dc64e51c1cdbb7d4df802280470343aa02", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "82dd9eb6f27c2126609259fa82d7a9dc64e51c1cdbb7d4df802280470343aa02", kill_on_drop: false }`
[INFO] [stdout] 82dd9eb6f27c2126609259fa82d7a9dc64e51c1cdbb7d4df802280470343aa02