[INFO] fetching crate tiny-proxy 0.2.0...
[INFO] checking tiny-proxy-0.2.0 against try#50f413885985a8b0a0b6ca0766a0aedd45304953 for pr-155657
[INFO] extracting crate tiny-proxy 0.2.0 into /workspace/builds/worker-5-tc2/source
[INFO] started tweaking crates.io crate tiny-proxy 0.2.0
[INFO] finished tweaking crates.io crate tiny-proxy 0.2.0
[INFO] tweaked toml for crates.io crate tiny-proxy 0.2.0 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate tiny-proxy 0.2.0 on toolchain 50f413885985a8b0a0b6ca0766a0aedd45304953
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+50f413885985a8b0a0b6ca0766a0aedd45304953" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate tiny-proxy 0.2.0 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" "+50f413885985a8b0a0b6ca0766a0aedd45304953" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+50f413885985a8b0a0b6ca0766a0aedd45304953" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 366f08a3ad5a4a8cbe8967d3300851e8f627bdf884fceb8755a62f54568c1cd1
[INFO] running `Command { std: "docker" "start" "-a" "366f08a3ad5a4a8cbe8967d3300851e8f627bdf884fceb8755a62f54568c1cd1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "366f08a3ad5a4a8cbe8967d3300851e8f627bdf884fceb8755a62f54568c1cd1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "366f08a3ad5a4a8cbe8967d3300851e8f627bdf884fceb8755a62f54568c1cd1", kill_on_drop: false }`
[INFO] [stdout] 366f08a3ad5a4a8cbe8967d3300851e8f627bdf884fceb8755a62f54568c1cd1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+50f413885985a8b0a0b6ca0766a0aedd45304953" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2d85452e8c8f4544453a4df2dd43e25c1b611f41003e33c51f2174088015b780
[INFO] running `Command { std: "docker" "start" "-a" "2d85452e8c8f4544453a4df2dd43e25c1b611f41003e33c51f2174088015b780", kill_on_drop: false }`
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[INFO] [stdout] warning: unreachable call
[INFO] [stdout]    --> src/proxy/handler.rs:163:30
[INFO] [stdout]     |
[INFO] [stdout] 163 |                 .map_err(|e| Box::new(e) as Box<dyn std::error::Error + Send + Sync>)
[INFO] [stdout]     |                              ^^^^^^^^ - any code following this expression is unreachable
[INFO] [stdout]     |                              |
[INFO] [stdout]     |                              unreachable call
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `(): StdError` is not satisfied
[INFO] [stdout]    --> src/proxy/handler.rs:163:30
[INFO] [stdout]     |
[INFO] [stdout] 163 |                 .map_err(|e| Box::new(e) as Box<dyn std::error::Error + Send + Sync>)
[INFO] [stdout]     |                              ^^^^^^^^^^^ the trait `StdError` is not implemented for `()`
[INFO] [stdout]     |
[INFO] [stdout]     = note: required for the cast from `Box<()>` to `Box<dyn StdError + Send + Sync>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable call
[INFO] [stdout]    --> src/proxy/handler.rs:163:30
[INFO] [stdout]     |
[INFO] [stdout] 163 |                 .map_err(|e| Box::new(e) as Box<dyn std::error::Error + Send + Sync>)
[INFO] [stdout]     |                              ^^^^^^^^ - any code following this expression is unreachable
[INFO] [stdout]     |                              |
[INFO] [stdout]     |                              unreachable call
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `(): StdError` is not satisfied
[INFO] [stdout]    --> src/proxy/handler.rs:163:30
[INFO] [stdout]     |
[INFO] [stdout] 163 |                 .map_err(|e| Box::new(e) as Box<dyn std::error::Error + Send + Sync>)
[INFO] [stdout]     |                              ^^^^^^^^^^^ the trait `StdError` is not implemented for `()`
[INFO] [stdout]     |
[INFO] [stdout]     = note: required for the cast from `Box<()>` to `Box<dyn StdError + Send + Sync>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable call
[INFO] [stdout]    --> src/proxy/handler.rs:328:22
[INFO] [stdout]     |
[INFO] [stdout] 328 |         .map_err(|e| Box::new(e) as Box<dyn std::error::Error + Send + Sync>)
[INFO] [stdout]     |                      ^^^^^^^^ - any code following this expression is unreachable
[INFO] [stdout]     |                      |
[INFO] [stdout]     |                      unreachable call
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `(): StdError` is not satisfied
[INFO] [stdout]    --> src/proxy/handler.rs:328:22
[INFO] [stdout]     |
[INFO] [stdout] 328 |         .map_err(|e| Box::new(e) as Box<dyn std::error::Error + Send + Sync>)
[INFO] [stdout]     |                      ^^^^^^^^^^^ the trait `StdError` is not implemented for `()`
[INFO] [stdout]     |
[INFO] [stdout]     = note: required for the cast from `Box<()>` to `Box<dyn StdError + Send + Sync>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable call
[INFO] [stdout]    --> src/proxy/handler.rs:328:22
[INFO] [stdout]     |
[INFO] [stdout] 328 |         .map_err(|e| Box::new(e) as Box<dyn std::error::Error + Send + Sync>)
[INFO] [stdout]     |                      ^^^^^^^^ - any code following this expression is unreachable
[INFO] [stdout]     |                      |
[INFO] [stdout]     |                      unreachable call
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `(): StdError` is not satisfied
[INFO] [stdout]    --> src/proxy/handler.rs:328:22
[INFO] [stdout]     |
[INFO] [stdout] 328 |         .map_err(|e| Box::new(e) as Box<dyn std::error::Error + Send + Sync>)
[INFO] [stdout]     |                      ^^^^^^^^^^^ the trait `StdError` is not implemented for `()`
[INFO] [stdout]     |
[INFO] [stdout]     = note: required for the cast from `Box<()>` to `Box<dyn StdError + Send + Sync>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0277`.
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0277`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `tiny-proxy` (lib test) due to 2 previous errors; 2 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `tiny-proxy` (lib) due to 2 previous errors; 2 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "2d85452e8c8f4544453a4df2dd43e25c1b611f41003e33c51f2174088015b780", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2d85452e8c8f4544453a4df2dd43e25c1b611f41003e33c51f2174088015b780", kill_on_drop: false }`
[INFO] [stdout] 2d85452e8c8f4544453a4df2dd43e25c1b611f41003e33c51f2174088015b780
