[INFO] cloning repository https://github.com/codelabsab/exchange
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/codelabsab/exchange" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcodelabsab%2Fexchange", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcodelabsab%2Fexchange'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9d7aad200e47da6f89747b1d273aff80b19100d5
[INFO] testing codelabsab/exchange against try#8de4c7234dd9b97c9d76b58671343fdbbc9a433e+target=x86_64-unknown-linux-musl for musl_upgrade_1_2_5_with_libc_patch_0
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcodelabsab%2Fexchange" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/codelabsab/exchange
[INFO] finished tweaking git repo https://github.com/codelabsab/exchange
[INFO] tweaked toml for git repo https://github.com/codelabsab/exchange written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/codelabsab/exchange on toolchain 8de4c7234dd9b97c9d76b58671343fdbbc9a433e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/codelabsab/exchange 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" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 055c4f48d3123b9e195d002f9c4aa18b5bfdbc7bd9cc11b14e3e1c0f3acad3d2
[INFO] running `Command { std: "docker" "start" "-a" "055c4f48d3123b9e195d002f9c4aa18b5bfdbc7bd9cc11b14e3e1c0f3acad3d2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "055c4f48d3123b9e195d002f9c4aa18b5bfdbc7bd9cc11b14e3e1c0f3acad3d2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "055c4f48d3123b9e195d002f9c4aa18b5bfdbc7bd9cc11b14e3e1c0f3acad3d2", kill_on_drop: false }`
[INFO] [stdout] 055c4f48d3123b9e195d002f9c4aa18b5bfdbc7bd9cc11b14e3e1c0f3acad3d2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "build" "--frozen" "--message-format=json" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }`
[INFO] [stdout] 4b3fb618c3ac00e4bfa780203e22fe1d8e7fb2f90e54e8a6165e913923f932f0
[INFO] running `Command { std: "docker" "start" "-a" "4b3fb618c3ac00e4bfa780203e22fe1d8e7fb2f90e54e8a6165e913923f932f0", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling libc v0.2.78
[INFO] [stderr]    Compiling getrandom v0.1.15
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.42
[INFO] [stderr]    Compiling serde_derive v1.0.116
[INFO] [stderr]    Compiling ppv-lite86 v0.2.9
[INFO] [stderr]    Compiling serde v1.0.116
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling uuid v0.8.1
[INFO] [stderr]    Compiling exchange v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `Duration`
[INFO] [stdout]  --> src/main.rs:2:17
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::time::{Duration, Instant};
[INFO] [stdout]   |                 ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Sell` is never constructed
[INFO] [stdout]   --> src/main.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 9  | enum Direction {
[INFO] [stdout]    |      --------- variant in this enum
[INFO] [stdout] 10 |     Buy,
[INFO] [stdout] 11 |     Sell,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `FB`, `AMZN`, `NFLX`, and `GOOG` are never constructed
[INFO] [stdout]   --> src/main.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 14 | enum Symbol {
[INFO] [stdout]    |      ------ variants in this enum
[INFO] [stdout] 15 |     FB,
[INFO] [stdout]    |     ^^
[INFO] [stdout] 16 |     AAPL,
[INFO] [stdout] 17 |     AMZN,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 18 |     NFLX,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 19 |     GOOG,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple fields are never read
[INFO] [stdout]   --> src/main.rs:26:5
[INFO] [stdout]    |
[INFO] [stdout] 25 | struct Order {
[INFO] [stdout]    |        ----- fields in this struct
[INFO] [stdout] 26 |     id: Uuid,
[INFO] [stdout]    |     ^^
[INFO] [stdout] 27 |     direction: Direction,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 28 |     symbol: Symbol,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 29 |     shares: u32,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 30 |     limit: u32,
[INFO] [stdout] 31 |     entry_time: Option<std::time::Instant>,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 32 |     event_time: Option<std::time::Instant>,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 33 |     duration: Option<std::time::Duration>,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 34 |     next: Option<Box<Order>>,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 35 |     previous: Option<Box<Order>>,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `head` and `tail` are never read
[INFO] [stdout]   --> src/main.rs:73:5
[INFO] [stdout]    |
[INFO] [stdout] 69 | struct Limit {
[INFO] [stdout]    |        ----- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 73 |     head: Option<Box<Order>>,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 74 |     tail: Option<Box<Order>>,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `search` is never used
[INFO] [stdout]    --> src/main.rs:103:8
[INFO] [stdout]     |
[INFO] [stdout] 77  | impl Limit {
[INFO] [stdout]     | ---------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 103 |     fn search(&self, target: u32) -> Option<u32> {
[INFO] [stdout]     |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `sell`, `lowest`, and `highest` are never read
[INFO] [stdout]    --> src/main.rs:120:5
[INFO] [stdout]     |
[INFO] [stdout] 117 | struct Book<'a> {
[INFO] [stdout]     |        ---- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 120 |     sell: Option<&'a Limit>,
[INFO] [stdout]     |     ^^^^
[INFO] [stdout] 121 |     lowest: Option<&'a Order>,
[INFO] [stdout]     |     ^^^^^^
[INFO] [stdout] 122 |     highest: Option<&'a Order>,
[INFO] [stdout]     |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 15.17s
[INFO] running `Command { std: "docker" "inspect" "4b3fb618c3ac00e4bfa780203e22fe1d8e7fb2f90e54e8a6165e913923f932f0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4b3fb618c3ac00e4bfa780203e22fe1d8e7fb2f90e54e8a6165e913923f932f0", kill_on_drop: false }`
[INFO] [stdout] 4b3fb618c3ac00e4bfa780203e22fe1d8e7fb2f90e54e8a6165e913923f932f0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "test" "--frozen" "--no-run" "--message-format=json" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }`
[INFO] [stdout] 4f9eba5d43efa8a97021bec8823b269a15e34da189cd49a082a47be5441af97c
[INFO] running `Command { std: "docker" "start" "-a" "4f9eba5d43efa8a97021bec8823b269a15e34da189cd49a082a47be5441af97c", kill_on_drop: false }`
[INFO] [stderr]    Compiling exchange v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `Duration`
[INFO] [stdout]  --> src/main.rs:2:17
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::time::{Duration, Instant};
[INFO] [stdout]   |                 ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Sell` is never constructed
[INFO] [stdout]   --> src/main.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 9  | enum Direction {
[INFO] [stdout]    |      --------- variant in this enum
[INFO] [stdout] 10 |     Buy,
[INFO] [stdout] 11 |     Sell,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `FB`, `AMZN`, `NFLX`, and `GOOG` are never constructed
[INFO] [stdout]   --> src/main.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 14 | enum Symbol {
[INFO] [stdout]    |      ------ variants in this enum
[INFO] [stdout] 15 |     FB,
[INFO] [stdout]    |     ^^
[INFO] [stdout] 16 |     AAPL,
[INFO] [stdout] 17 |     AMZN,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 18 |     NFLX,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 19 |     GOOG,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple fields are never read
[INFO] [stdout]   --> src/main.rs:26:5
[INFO] [stdout]    |
[INFO] [stdout] 25 | struct Order {
[INFO] [stdout]    |        ----- fields in this struct
[INFO] [stdout] 26 |     id: Uuid,
[INFO] [stdout]    |     ^^
[INFO] [stdout] 27 |     direction: Direction,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 28 |     symbol: Symbol,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 29 |     shares: u32,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 30 |     limit: u32,
[INFO] [stdout] 31 |     entry_time: Option<std::time::Instant>,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 32 |     event_time: Option<std::time::Instant>,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 33 |     duration: Option<std::time::Duration>,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 34 |     next: Option<Box<Order>>,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 35 |     previous: Option<Box<Order>>,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `head` and `tail` are never read
[INFO] [stdout]   --> src/main.rs:73:5
[INFO] [stdout]    |
[INFO] [stdout] 69 | struct Limit {
[INFO] [stdout]    |        ----- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 73 |     head: Option<Box<Order>>,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 74 |     tail: Option<Box<Order>>,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `search` is never used
[INFO] [stdout]    --> src/main.rs:103:8
[INFO] [stdout]     |
[INFO] [stdout] 77  | impl Limit {
[INFO] [stdout]     | ---------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 103 |     fn search(&self, target: u32) -> Option<u32> {
[INFO] [stdout]     |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `sell`, `lowest`, and `highest` are never read
[INFO] [stdout]    --> src/main.rs:120:5
[INFO] [stdout]     |
[INFO] [stdout] 117 | struct Book<'a> {
[INFO] [stdout]     |        ---- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 120 |     sell: Option<&'a Limit>,
[INFO] [stdout]     |     ^^^^
[INFO] [stdout] 121 |     lowest: Option<&'a Order>,
[INFO] [stdout]     |     ^^^^^^
[INFO] [stdout] 122 |     highest: Option<&'a Order>,
[INFO] [stdout]     |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.56s
[INFO] running `Command { std: "docker" "inspect" "4f9eba5d43efa8a97021bec8823b269a15e34da189cd49a082a47be5441af97c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4f9eba5d43efa8a97021bec8823b269a15e34da189cd49a082a47be5441af97c", kill_on_drop: false }`
[INFO] [stdout] 4f9eba5d43efa8a97021bec8823b269a15e34da189cd49a082a47be5441af97c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "test" "--frozen" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }`
[INFO] [stdout] 5df6fc1ff7120c451eeeaab13af2161a7cf9fee1c1cd88ce7d313cb30ef491ba
[INFO] running `Command { std: "docker" "start" "-a" "5df6fc1ff7120c451eeeaab13af2161a7cf9fee1c1cd88ce7d313cb30ef491ba", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `Duration`
[INFO] [stderr]  --> src/main.rs:2:17
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::time::{Duration, Instant};
[INFO] [stderr]   |                 ^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant `Sell` is never constructed
[INFO] [stderr]   --> src/main.rs:11:5
[INFO] [stderr]    |
[INFO] [stderr] 9  | enum Direction {
[INFO] [stderr]    |      --------- variant in this enum
[INFO] [stderr] 10 |     Buy,
[INFO] [stderr] 11 |     Sell,
[INFO] [stderr]    |     ^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variants `FB`, `AMZN`, `NFLX`, and `GOOG` are never constructed
[INFO] [stderr]   --> src/main.rs:15:5
[INFO] [stderr]    |
[INFO] [stderr] 14 | enum Symbol {
[INFO] [stderr]    |      ------ variants in this enum
[INFO] [stderr] 15 |     FB,
[INFO] [stderr]    |     ^^
[INFO] [stderr] 16 |     AAPL,
[INFO] [stderr] 17 |     AMZN,
[INFO] [stderr]    |     ^^^^
[INFO] [stderr] 18 |     NFLX,
[INFO] [stderr]    |     ^^^^
[INFO] [stderr] 19 |     GOOG,
[INFO] [stderr]    |     ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: multiple fields are never read
[INFO] [stderr]   --> src/main.rs:26:5
[INFO] [stderr]    |
[INFO] [stderr] 25 | struct Order {
[INFO] [stderr]    |        ----- fields in this struct
[INFO] [stderr] 26 |     id: Uuid,
[INFO] [stderr]    |     ^^
[INFO] [stderr] 27 |     direction: Direction,
[INFO] [stderr]    |     ^^^^^^^^^
[INFO] [stderr] 28 |     symbol: Symbol,
[INFO] [stderr]    |     ^^^^^^
[INFO] [stderr] 29 |     shares: u32,
[INFO] [stderr]    |     ^^^^^^
[INFO] [stderr] 30 |     limit: u32,
[INFO] [stderr] 31 |     entry_time: Option<std::time::Instant>,
[INFO] [stderr]    |     ^^^^^^^^^^
[INFO] [stderr] 32 |     event_time: Option<std::time::Instant>,
[INFO] [stderr]    |     ^^^^^^^^^^
[INFO] [stderr] 33 |     duration: Option<std::time::Duration>,
[INFO] [stderr]    |     ^^^^^^^^
[INFO] [stderr] 34 |     next: Option<Box<Order>>,
[INFO] [stderr]    |     ^^^^
[INFO] [stderr] 35 |     previous: Option<Box<Order>>,
[INFO] [stderr]    |     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: fields `head` and `tail` are never read
[INFO] [stderr]   --> src/main.rs:73:5
[INFO] [stderr]    |
[INFO] [stderr] 69 | struct Limit {
[INFO] [stderr]    |        ----- fields in this struct
[INFO] [stderr] ...
[INFO] [stderr] 73 |     head: Option<Box<Order>>,
[INFO] [stderr]    |     ^^^^
[INFO] [stderr] 74 |     tail: Option<Box<Order>>,
[INFO] [stderr]    |     ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method `search` is never used
[INFO] [stderr]    --> src/main.rs:103:8
[INFO] [stderr]     |
[INFO] [stderr] 77  | impl Limit {
[INFO] [stderr]     | ---------- method in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 103 |     fn search(&self, target: u32) -> Option<u32> {
[INFO] [stderr]     |        ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: fields `sell`, `lowest`, and `highest` are never read
[INFO] [stderr]    --> src/main.rs:120:5
[INFO] [stderr]     |
[INFO] [stderr] 117 | struct Book<'a> {
[INFO] [stderr]     |        ---- fields in this struct
[INFO] [stderr] ...
[INFO] [stderr] 120 |     sell: Option<&'a Limit>,
[INFO] [stderr]     |     ^^^^
[INFO] [stderr] 121 |     lowest: Option<&'a Order>,
[INFO] [stderr]     |     ^^^^^^
[INFO] [stderr] 122 |     highest: Option<&'a Order>,
[INFO] [stderr]     |     ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `exchange` (bin "exchange" test) generated 7 warnings (run `cargo fix --bin "exchange" --tests` to apply 1 suggestion)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.10s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/x86_64-unknown-linux-musl/debug/deps/exchange-1e4aef33af26b88a)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "5df6fc1ff7120c451eeeaab13af2161a7cf9fee1c1cd88ce7d313cb30ef491ba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5df6fc1ff7120c451eeeaab13af2161a7cf9fee1c1cd88ce7d313cb30ef491ba", kill_on_drop: false }`
[INFO] [stdout] 5df6fc1ff7120c451eeeaab13af2161a7cf9fee1c1cd88ce7d313cb30ef491ba