[INFO] cloning repository https://github.com/nikita0607/PC-Controller-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/nikita0607/PC-Controller-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnikita0607%2FPC-Controller-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnikita0607%2FPC-Controller-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5c023774a30dfeb9ce192169788846bb896598aa
[INFO] building nikita0607/PC-Controller-rs/5c023774a30dfeb9ce192169788846bb896598aa against master#44f415c1d617ebc7b931a243b7b321ef8a6ca47c for pr-142134-abi-ast-error
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnikita0607%2FPC-Controller-rs" "/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/nikita0607/PC-Controller-rs on toolchain 44f415c1d617ebc7b931a243b7b321ef8a6ca47c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+44f415c1d617ebc7b931a243b7b321ef8a6ca47c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/nikita0607/PC-Controller-rs
[INFO] finished tweaking git repo https://github.com/nikita0607/PC-Controller-rs
[INFO] tweaked toml for git repo https://github.com/nikita0607/PC-Controller-rs written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/nikita0607/PC-Controller-rs 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" "+44f415c1d617ebc7b931a243b7b321ef8a6ca47c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded tokio-macros v1.4.1
[INFO] [stderr]   Downloaded h2 v0.3.6
[INFO] [stderr]   Downloaded syn v1.0.78
[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_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:eea15d5475069c3ef791f10c2c6b5af2ee421ef2da1e680ecce1cba46243983b" "/opt/rustwide/cargo-home/bin/cargo" "+44f415c1d617ebc7b931a243b7b321ef8a6ca47c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3e7cbdd91465c5ad34abff6c41465145c340dd4d5de5b72141b6ad874f7a26d5
[INFO] running `Command { std: "docker" "start" "-a" "3e7cbdd91465c5ad34abff6c41465145c340dd4d5de5b72141b6ad874f7a26d5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3e7cbdd91465c5ad34abff6c41465145c340dd4d5de5b72141b6ad874f7a26d5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3e7cbdd91465c5ad34abff6c41465145c340dd4d5de5b72141b6ad874f7a26d5", kill_on_drop: false }`
[INFO] [stdout] 3e7cbdd91465c5ad34abff6c41465145c340dd4d5de5b72141b6ad874f7a26d5
[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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:eea15d5475069c3ef791f10c2c6b5af2ee421ef2da1e680ecce1cba46243983b" "/opt/rustwide/cargo-home/bin/cargo" "+44f415c1d617ebc7b931a243b7b321ef8a6ca47c" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 89c88bd9812a3616ab120be951d714649cfe09e09ab83d019ff0da8d91d36efd
[INFO] running `Command { std: "docker" "start" "-a" "89c88bd9812a3616ab120be951d714649cfe09e09ab83d019ff0da8d91d36efd", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling libc v0.2.103
[INFO] [stderr]    Compiling proc-macro2 v1.0.29
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.78
[INFO] [stderr]    Compiling parking_lot_core v0.8.5
[INFO] [stderr]    Compiling cc v1.0.70
[INFO] [stderr]    Compiling pkg-config v0.3.20
[INFO] [stderr]    Compiling pin-project-lite v0.2.7
[INFO] [stderr]    Compiling scopeguard v1.1.0
[INFO] [stderr]    Compiling once_cell v1.8.0
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling futures-core v0.3.17
[INFO] [stderr]    Compiling smallvec v1.7.0
[INFO] [stderr]    Compiling instant v0.1.11
[INFO] [stderr]    Compiling bytes v1.1.0
[INFO] [stderr]    Compiling lock_api v0.4.5
[INFO] [stderr]    Compiling itoa v0.4.8
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[INFO] [stderr]    Compiling percent-encoding v2.1.0
[INFO] [stderr]    Compiling want v0.3.0
[INFO] [stderr]    Compiling form_urlencoded v1.0.1
[INFO] [stderr]    Compiling unicode-bidi v0.3.6
[INFO] [stderr]    Compiling encoding_rs v0.8.28
[INFO] [stderr]    Compiling tracing v0.1.28
[INFO] [stderr]    Compiling http v0.2.5
[INFO] [stderr]    Compiling httpdate v1.0.1
[INFO] [stderr]    Compiling tower-service v0.3.1
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling mio v0.7.13
[INFO] [stderr]    Compiling signal-hook-registry v1.4.0
[INFO] [stderr]    Compiling socket2 v0.4.2
[INFO] [stderr]    Compiling serde_json v1.0.68
[INFO] [stderr]    Compiling serde_derive v1.0.130
[INFO] [stderr]    Compiling openssl-sys v0.9.67
[INFO] [stderr]    Compiling parking_lot v0.11.2
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling mime v0.3.16
[INFO] [stderr]    Compiling ipnet v2.3.1
[INFO] [stderr]    Compiling base64 v0.13.0
[INFO] [stderr]    Compiling unicode-normalization v0.1.19
[INFO] [stderr]    Compiling idna v0.2.3
[INFO] [stderr]    Compiling http-body v0.4.3
[INFO] [stderr]    Compiling url v2.2.2
[INFO] [stderr]    Compiling serde_urlencoded v0.7.0
[INFO] [stderr]    Compiling tokio-macros v1.4.1
[INFO] [stderr]    Compiling tokio-util v0.6.8
[INFO] [stderr]    Compiling tokio-native-tls v0.3.0
[INFO] [stderr]    Compiling h2 v0.3.6
[INFO] [stderr]    Compiling hyper v0.14.13
[INFO] [stderr]    Compiling hyper-tls v0.5.0
[INFO] [stderr]    Compiling reqwest v0.11.4
[INFO] [stderr]    Compiling client v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]    --> src/main.rs:134:5
[INFO] [stdout]     |
[INFO] [stdout] 126 | /     loop {
[INFO] [stdout] 127 | |         let json = comp.empty_response().await??;
[INFO] [stdout] 128 | |
[INFO] [stdout] 129 | |         println!("{:?}", json);
[INFO] [stdout] 130 | |
[INFO] [stdout] 131 | |         sleep(Duration::from_millis(2000)).await;
[INFO] [stdout] 132 | |     }
[INFO] [stdout]     | |_____- any code following this expression is unreachable
[INFO] [stdout] 133 |
[INFO] [stdout] 134 |       Ok(())
[INFO] [stdout]     |       ^^^^^^ unreachable expression
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `JsonError` should have a snake case name
[INFO] [stdout]   --> src/main.rs:80:13
[INFO] [stdout]    |
[INFO] [stdout] 80 |             JsonError=> Ok(JsonError)
[INFO] [stdout]    |             ^^^^^^^^^ help: convert the identifier to snake case: `json_error`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `JsonError` should have a snake case name
[INFO] [stdout]    --> src/main.rs:100:13
[INFO] [stdout]     |
[INFO] [stdout] 100 |             JsonError=> Ok(JsonError)
[INFO] [stdout]     |             ^^^^^^^^^ help: convert the identifier to snake case: `json_error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/main.rs:124:5
[INFO] [stdout]     |
[INFO] [stdout] 124 |     comp.add_button("Test", "test").await?;
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 124 |     let _ = comp.add_button("Test", "test").await?;
[INFO] [stdout]     |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 34.36s
[INFO] running `Command { std: "docker" "inspect" "89c88bd9812a3616ab120be951d714649cfe09e09ab83d019ff0da8d91d36efd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "89c88bd9812a3616ab120be951d714649cfe09e09ab83d019ff0da8d91d36efd", kill_on_drop: false }`
[INFO] [stdout] 89c88bd9812a3616ab120be951d714649cfe09e09ab83d019ff0da8d91d36efd
[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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:eea15d5475069c3ef791f10c2c6b5af2ee421ef2da1e680ecce1cba46243983b" "/opt/rustwide/cargo-home/bin/cargo" "+44f415c1d617ebc7b931a243b7b321ef8a6ca47c" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1a2cdb625916956a58b3cd9b63733ecb896de28d12385bae78dea2246b43fda3
[INFO] running `Command { std: "docker" "start" "-a" "1a2cdb625916956a58b3cd9b63733ecb896de28d12385bae78dea2246b43fda3", kill_on_drop: false }`
[INFO] [stderr]    Compiling client v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]    --> src/main.rs:134:5
[INFO] [stdout]     |
[INFO] [stdout] 126 | /     loop {
[INFO] [stdout] 127 | |         let json = comp.empty_response().await??;
[INFO] [stdout] 128 | |
[INFO] [stdout] 129 | |         println!("{:?}", json);
[INFO] [stdout] 130 | |
[INFO] [stdout] 131 | |         sleep(Duration::from_millis(2000)).await;
[INFO] [stdout] 132 | |     }
[INFO] [stdout]     | |_____- any code following this expression is unreachable
[INFO] [stdout] 133 |
[INFO] [stdout] 134 |       Ok(())
[INFO] [stdout]     |       ^^^^^^ unreachable expression
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `JsonError` should have a snake case name
[INFO] [stdout]   --> src/main.rs:80:13
[INFO] [stdout]    |
[INFO] [stdout] 80 |             JsonError=> Ok(JsonError)
[INFO] [stdout]    |             ^^^^^^^^^ help: convert the identifier to snake case: `json_error`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `JsonError` should have a snake case name
[INFO] [stdout]    --> src/main.rs:100:13
[INFO] [stdout]     |
[INFO] [stdout] 100 |             JsonError=> Ok(JsonError)
[INFO] [stdout]     |             ^^^^^^^^^ help: convert the identifier to snake case: `json_error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/main.rs:124:5
[INFO] [stdout]     |
[INFO] [stdout] 124 |     comp.add_button("Test", "test").await?;
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 124 |     let _ = comp.add_button("Test", "test").await?;
[INFO] [stdout]     |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.49s
[INFO] running `Command { std: "docker" "inspect" "1a2cdb625916956a58b3cd9b63733ecb896de28d12385bae78dea2246b43fda3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1a2cdb625916956a58b3cd9b63733ecb896de28d12385bae78dea2246b43fda3", kill_on_drop: false }`
[INFO] [stdout] 1a2cdb625916956a58b3cd9b63733ecb896de28d12385bae78dea2246b43fda3