[INFO] cloning repository https://github.com/cxping/carbon-trading
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/cxping/carbon-trading" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcxping%2Fcarbon-trading", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcxping%2Fcarbon-trading'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1730bdf4519c6aa92179f5b931ed7ee7fed7251b
[INFO] checking cxping/carbon-trading/1730bdf4519c6aa92179f5b931ed7ee7fed7251b against master#ab869e094a907cc5d19b4080f22eccaf347f1f95 for pr-129604
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcxping%2Fcarbon-trading" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/cxping/carbon-trading on toolchain ab869e094a907cc5d19b4080f22eccaf347f1f95
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/cxping/carbon-trading
[INFO] finished tweaking git repo https://github.com/cxping/carbon-trading
[INFO] tweaked toml for git repo https://github.com/cxping/carbon-trading written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/cxping/carbon-trading 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" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "start" "-a" "ccfa867adffc1142a96b4d1e399c5eb67b680a71329a069c738d3026820fc711", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ccfa867adffc1142a96b4d1e399c5eb67b680a71329a069c738d3026820fc711", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ccfa867adffc1142a96b4d1e399c5eb67b680a71329a069c738d3026820fc711", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
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[INFO] [stderr]    Compiling tokio-macros v1.7.0
[INFO] [stderr]    Compiling tracing-attributes v0.1.21
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[INFO] [stdout] warning: unused imports: `array`, `fmt::Result`, and `io::Read`
[INFO] [stdout]  --> src/main.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 |     array,
[INFO] [stdout]   |     ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 5 |     fmt::Result,
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout] 6 |     fs::{self, File},
[INFO] [stdout] 7 |     io::Read,
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `serde::de::value`
[INFO] [stdout]   --> src/main.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 18 | use serde::de::value;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `array`, `fmt::Result`, and `io::Read`
[INFO] [stdout]  --> src/main.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 |     array,
[INFO] [stdout]   |     ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 5 |     fmt::Result,
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout] 6 |     fs::{self, File},
[INFO] [stdout] 7 |     io::Read,
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `serde::de::value`
[INFO] [stdout]   --> src/main.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 18 | use serde::de::value;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `k`
[INFO] [stdout]    --> src/main.rs:193:22
[INFO] [stdout]     |
[INFO] [stdout] 193 |                 for (k, (i, v)) in next.attrs.iter().enumerate() {
[INFO] [stdout]     |                      ^ help: if this is intentional, prefix it with an underscore: `_k`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]    --> src/main.rs:241:13
[INFO] [stdout]     |
[INFO] [stdout] 241 |         Err(e) => {
[INFO] [stdout]     |             ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `db`
[INFO] [stdout]    --> src/main.rs:281:27
[INFO] [stdout]     |
[INFO] [stdout] 281 | async fn create_connction(db: &str) -> io::Result<RefCell<Connection>> {
[INFO] [stdout]     |                           ^^ help: if this is intentional, prefix it with an underscore: `_db`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `k`
[INFO] [stdout]    --> src/main.rs:193:22
[INFO] [stdout]     |
[INFO] [stdout] 193 |                 for (k, (i, v)) in next.attrs.iter().enumerate() {
[INFO] [stdout]     |                      ^ help: if this is intentional, prefix it with an underscore: `_k`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]    --> src/main.rs:241:13
[INFO] [stdout]     |
[INFO] [stdout] 241 |         Err(e) => {
[INFO] [stdout]     |             ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `db`
[INFO] [stdout]    --> src/main.rs:281:27
[INFO] [stdout]     |
[INFO] [stdout] 281 | async fn create_connction(db: &str) -> io::Result<RefCell<Connection>> {
[INFO] [stdout]     |                           ^^ help: if this is intentional, prefix it with an underscore: `_db`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: call to `.borrow()` on a reference in this situation does nothing
[INFO] [stdout]    --> src/main.rs:201:40
[INFO] [stdout]     |
[INFO] [stdout] 201 |             let app_state = &*app_state.borrow();
[INFO] [stdout]     |                                        ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: the type `std::cell::Ref<'_, AppState>` does not implement `Borrow`, so calling `borrow` on `&std::cell::Ref<'_, AppState>` copies the reference, which does not do anything and can be removed
[INFO] [stdout]     = note: `#[warn(noop_method_call)]` on by default
[INFO] [stdout] help: remove this redundant call
[INFO] [stdout]     |
[INFO] [stdout] 201 -             let app_state = &*app_state.borrow();
[INFO] [stdout] 201 +             let app_state = &*app_state;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: call to `.borrow()` on a reference in this situation does nothing
[INFO] [stdout]    --> src/main.rs:201:40
[INFO] [stdout]     |
[INFO] [stdout] 201 |             let app_state = &*app_state.borrow();
[INFO] [stdout]     |                                        ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: the type `std::cell::Ref<'_, AppState>` does not implement `Borrow`, so calling `borrow` on `&std::cell::Ref<'_, AppState>` copies the reference, which does not do anything and can be removed
[INFO] [stdout]     = note: `#[warn(noop_method_call)]` on by default
[INFO] [stdout] help: remove this redundant call
[INFO] [stdout]     |
[INFO] [stdout] 201 -             let app_state = &*app_state.borrow();
[INFO] [stdout] 201 +             let app_state = &*app_state;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 28.22s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: nom v4.2.3
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] running `Command { std: "docker" "inspect" "8550daef3e1665cff1a7904fb2687ea869d51fcbf1b61f99dff3db07e41f12ae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8550daef3e1665cff1a7904fb2687ea869d51fcbf1b61f99dff3db07e41f12ae", kill_on_drop: false }`
[INFO] [stdout] 8550daef3e1665cff1a7904fb2687ea869d51fcbf1b61f99dff3db07e41f12ae