[INFO] fetching crate rustyq 0.6.0...
[INFO] testing rustyq-0.6.0 against try#722e1797249a965b6335aebd65d777f917e498f1 for pr-91031
[INFO] extracting crate rustyq 0.6.0 into /workspace/builds/worker-115/source
[INFO] validating manifest of crates.io crate rustyq 0.6.0 on toolchain 722e1797249a965b6335aebd65d777f917e498f1
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "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-115/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-115/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-115/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e394e4f2d3d288a7f093711313c4967d9b7ece9997895e636e0f020b9262ff2a
[INFO] running `Command { std: "docker" "start" "-a" "e394e4f2d3d288a7f093711313c4967d9b7ece9997895e636e0f020b9262ff2a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e394e4f2d3d288a7f093711313c4967d9b7ece9997895e636e0f020b9262ff2a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e394e4f2d3d288a7f093711313c4967d9b7ece9997895e636e0f020b9262ff2a", kill_on_drop: false }`
[INFO] [stdout] e394e4f2d3d288a7f093711313c4967d9b7ece9997895e636e0f020b9262ff2a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-115/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-115/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 504abe3d1ec3718eca36967097afb37ddb128c0aa59a2c91ce14a824696d08ea
[INFO] running `Command { std: "docker" "start" "-a" "504abe3d1ec3718eca36967097afb37ddb128c0aa59a2c91ce14a824696d08ea", kill_on_drop: false }`
[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[E0283]: type annotations needed
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/zmtp-0.6.0/src/reader.rs:152:17
[INFO] [stdout]     |
[INFO] [stdout] 152 |             cmd.add_metadata(name.borrow(), val_bytes);
[INFO] [stdout]     |                 ^^^^^^^^^^^^ cannot infer type for reference `&_`
[INFO] [stdout]     |
[INFO] [stdout]     = note: multiple `impl`s satisfying `String: From<&_>` found in the `alloc` crate:
[INFO] [stdout]             - impl<> From<&String> for String;
[INFO] [stdout]             - impl<> From<&str> for String;
[INFO] [stdout]     = note: required because of the requirements on the impl of `Into<String>` for `&_`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[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 3 previous errors
[INFO] running `Command { std: "docker" "inspect" "504abe3d1ec3718eca36967097afb37ddb128c0aa59a2c91ce14a824696d08ea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "504abe3d1ec3718eca36967097afb37ddb128c0aa59a2c91ce14a824696d08ea", kill_on_drop: false }`
[INFO] [stdout] 504abe3d1ec3718eca36967097afb37ddb128c0aa59a2c91ce14a824696d08ea