[INFO] fetching crate rustyq 0.6.0...
[INFO] checking rustyq-0.6.0 against try#6f12b8fe67b4eed2e838dab803ed9493b9d62c0f for pr-79073
[INFO] extracting crate rustyq 0.6.0 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate rustyq 0.6.0 on toolchain 6f12b8fe67b4eed2e838dab803ed9493b9d62c0f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6f12b8fe67b4eed2e838dab803ed9493b9d62c0f" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rustyq 0.6.0
[INFO] finished tweaking crates.io crate rustyq 0.6.0
[INFO] tweaked toml for crates.io crate rustyq 0.6.0 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6f12b8fe67b4eed2e838dab803ed9493b9d62c0f" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6f12b8fe67b4eed2e838dab803ed9493b9d62c0f" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded zmtp v0.6.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+6f12b8fe67b4eed2e838dab803ed9493b9d62c0f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] cc2c1bd16f320f9e59dc9c61b3826410bde1f5954b966d5daa6c962d41370885
[INFO] running `Command { std: "docker" "start" "-a" "cc2c1bd16f320f9e59dc9c61b3826410bde1f5954b966d5daa6c962d41370885", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cc2c1bd16f320f9e59dc9c61b3826410bde1f5954b966d5daa6c962d41370885", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cc2c1bd16f320f9e59dc9c61b3826410bde1f5954b966d5daa6c962d41370885", kill_on_drop: false }`
[INFO] [stdout] cc2c1bd16f320f9e59dc9c61b3826410bde1f5954b966d5daa6c962d41370885
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+6f12b8fe67b4eed2e838dab803ed9493b9d62c0f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9e333b978520d2843bb21517e332d7383992318e7a6960b29ec9955d52ca41b8
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "9e333b978520d2843bb21517e332d7383992318e7a6960b29ec9955d52ca41b8", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking byteorder v0.5.3
[INFO] [stderr]     Checking zmtp v0.6.0
[INFO] [stdout] error[E0283]: type annotations needed
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/zmtp-0.6.0/src/reader.rs:152:35
[INFO] [stdout]     |
[INFO] [stdout] 152 |             cmd.add_metadata(name.borrow(), val_bytes);
[INFO] [stdout]     |                              -----^^^^^^--
[INFO] [stdout]     |                              |    |
[INFO] [stdout]     |                              |    cannot infer type for type parameter `Borrowed` declared on the trait `Borrow`
[INFO] [stdout]     |                              this method call resolves to `&Borrowed`
[INFO] [stdout]     |
[INFO] [stdout]     = note: cannot satisfy `Cow<'_, str>: Borrow<_>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0283`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `zmtp`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "9e333b978520d2843bb21517e332d7383992318e7a6960b29ec9955d52ca41b8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9e333b978520d2843bb21517e332d7383992318e7a6960b29ec9955d52ca41b8", kill_on_drop: false }`
[INFO] [stdout] 9e333b978520d2843bb21517e332d7383992318e7a6960b29ec9955d52ca41b8