[INFO] fetching crate rustyq 0.6.0...
[INFO] testing rustyq-0.6.0 against beta-2022-04-10 for beta-1.61-1
[INFO] extracting crate rustyq 0.6.0 into /workspace/builds/worker-26/source
[INFO] validating manifest of crates.io crate rustyq 0.6.0 on toolchain beta-2022-04-10
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", 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-26/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 89c85b0a4abe4efc00adcc87086ed9d265534ed6e2cb22a524b372cf68d359c5
[INFO] running `Command { std: "docker" "start" "-a" "89c85b0a4abe4efc00adcc87086ed9d265534ed6e2cb22a524b372cf68d359c5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "89c85b0a4abe4efc00adcc87086ed9d265534ed6e2cb22a524b372cf68d359c5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "89c85b0a4abe4efc00adcc87086ed9d265534ed6e2cb22a524b372cf68d359c5", kill_on_drop: false }`
[INFO] [stdout] 89c85b0a4abe4efc00adcc87086ed9d265534ed6e2cb22a524b372cf68d359c5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/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" "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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4713875bd07fbae64e7e5192d60a399229264dc8710a104e9ebc2d86959f319c
[INFO] running `Command { std: "docker" "start" "-a" "4713875bd07fbae64e7e5192d60a399229264dc8710a104e9ebc2d86959f319c", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling byteorder v0.5.3
[INFO] [stderr]    Compiling 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]     |                              help: use the fully qualified path for the potential candidate: `<Cow<'a, B> as Borrow<B>>::borrow(name)`
[INFO] [stdout]     |
[INFO] [stdout]     = note: multiple `impl`s satisfying `Cow<'_, str>: Borrow<_>` found in the following crates: `alloc`, `core`:
[INFO] [stdout]             - impl<'a, B> Borrow<B> for Cow<'a, B>
[INFO] [stdout]               where B: ToOwned, <B as ToOwned>::Owned: 'a, B: ?Sized;
[INFO] [stdout]             - impl<T> Borrow<T> for T
[INFO] [stdout]               where T: ?Sized;
[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` due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "4713875bd07fbae64e7e5192d60a399229264dc8710a104e9ebc2d86959f319c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4713875bd07fbae64e7e5192d60a399229264dc8710a104e9ebc2d86959f319c", kill_on_drop: false }`
[INFO] [stdout] 4713875bd07fbae64e7e5192d60a399229264dc8710a104e9ebc2d86959f319c