[INFO] fetching crate http-cache-tower 1.0.0-alpha.6...
[INFO] checking http-cache-tower-1.0.0-alpha.6 against try#50f413885985a8b0a0b6ca0766a0aedd45304953 for pr-155657
[INFO] extracting crate http-cache-tower 1.0.0-alpha.6 into /workspace/builds/worker-1-tc2/source
[INFO] started tweaking crates.io crate http-cache-tower 1.0.0-alpha.6
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate http-cache-tower 1.0.0-alpha.6
[INFO] tweaked toml for crates.io crate http-cache-tower 1.0.0-alpha.6 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate http-cache-tower 1.0.0-alpha.6 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 http-cache-tower 1.0.0-alpha.6 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-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] d3e9c9b9a93e5035db4c68b39d53a483c7255523f80905069718b73c8d6c0967
[INFO] running `Command { std: "docker" "start" "-a" "d3e9c9b9a93e5035db4c68b39d53a483c7255523f80905069718b73c8d6c0967", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d3e9c9b9a93e5035db4c68b39d53a483c7255523f80905069718b73c8d6c0967", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d3e9c9b9a93e5035db4c68b39d53a483c7255523f80905069718b73c8d6c0967", kill_on_drop: false }`
[INFO] [stdout] d3e9c9b9a93e5035db4c68b39d53a483c7255523f80905069718b73c8d6c0967
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 534e6322d622697cd7155cafbbf46ec483c63ca549f2ebcf7d45cc3fc9c79920
[INFO] running `Command { std: "docker" "start" "-a" "534e6322d622697cd7155cafbbf46ec483c63ca549f2ebcf7d45cc3fc9c79920", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.180
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[INFO] [stderr]     Checking tower v0.5.3
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[INFO] [stderr]     Checking icu_provider v2.1.1
[INFO] [stderr]     Checking futures v0.3.31
[INFO] [stderr]     Checking http-cache-semantics v3.0.0
[INFO] [stderr]     Checking icu_properties v2.1.2
[INFO] [stderr]     Checking icu_normalizer v2.1.1
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[INFO] [stderr]     Checking http-cache v1.0.0-alpha.6
[INFO] [stderr]     Checking half v2.7.1
[INFO] [stderr]     Checking ciborium-ll v0.2.2
[INFO] [stderr]     Checking ciborium v0.2.2
[INFO] [stderr]     Checking hyper v1.8.1
[INFO] [stderr]     Checking criterion v0.8.1
[INFO] [stderr]     Checking hyper-util v0.1.19
[INFO] [stderr]     Checking http-cache-tower v1.0.0-alpha.6 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unreachable call
[INFO] [stdout]     --> src/test.rs:2070:29
[INFO] [stdout]      |
[INFO] [stdout] 2070 | ...                   Box::new(e)
[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 `(): std::error::Error` is not satisfied
[INFO] [stdout]     --> src/test.rs:2070:29
[INFO] [stdout]      |
[INFO] [stdout] 2070 | ...                   Box::new(e)
[INFO] [stdout]      |                       ^^^^^^^^^^^ the trait `std::error::Error` is not implemented for `()`
[INFO] [stdout]      |
[INFO] [stdout]      = note: required for the cast from `Box<()>` to `Box<dyn std::error::Error + Send + Sync>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0277`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `http-cache-tower` (lib test) due to 1 previous error; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "534e6322d622697cd7155cafbbf46ec483c63ca549f2ebcf7d45cc3fc9c79920", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "534e6322d622697cd7155cafbbf46ec483c63ca549f2ebcf7d45cc3fc9c79920", kill_on_drop: false }`
[INFO] [stdout] 534e6322d622697cd7155cafbbf46ec483c63ca549f2ebcf7d45cc3fc9c79920
