[INFO] fetching crate lib3h_mdns 0.0.42...
[INFO] testing lib3h_mdns-0.0.42 against 1.60.0 for beta-1.61-1
[INFO] extracting crate lib3h_mdns 0.0.42 into /workspace/builds/worker-106/source
[INFO] validating manifest of crates.io crate lib3h_mdns 0.0.42 on toolchain 1.60.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate lib3h_mdns 0.0.42
[INFO] finished tweaking crates.io crate lib3h_mdns 0.0.42
[INFO] tweaked toml for crates.io crate lib3h_mdns 0.0.42 written to /workspace/builds/worker-106/source/Cargo.toml
[INFO] crate crates.io crate lib3h_mdns 0.0.42 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-106/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-106/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" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 447c56ee805fc5ad165508950007f9bc4cd9dcc99a0344fd98db325341bd9329
[INFO] running `Command { std: "docker" "start" "-a" "447c56ee805fc5ad165508950007f9bc4cd9dcc99a0344fd98db325341bd9329", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "447c56ee805fc5ad165508950007f9bc4cd9dcc99a0344fd98db325341bd9329", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "447c56ee805fc5ad165508950007f9bc4cd9dcc99a0344fd98db325341bd9329", kill_on_drop: false }`
[INFO] [stdout] 447c56ee805fc5ad165508950007f9bc4cd9dcc99a0344fd98db325341bd9329
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-106/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-106/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" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 726ce0f94e5d7f10f9ae2b96c73537fd1723a07f995762121b13faafd4be1560
[INFO] running `Command { std: "docker" "start" "-a" "726ce0f94e5d7f10f9ae2b96c73537fd1723a07f995762121b13faafd4be1560", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
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[INFO] [stdout] error[E0432]: unresolved import `std::option::NoneError`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/holochain_json_api-0.0.23/src/error/mod.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 |     option::NoneError,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^ no `NoneError` in `option`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/holochain_json_api-0.0.23/src/lib.rs:4:1
[INFO] [stdout]   |
[INFO] [stdout] 4 | #![feature(try_trait)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `holochain_json_api` due to 6 previous errors
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/holochain_json_api-0.0.23/src/lib.rs:5:1
[INFO] [stdout]   |
[INFO] [stdout] 5 | #![feature(never_type)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0119]: conflicting implementations of trait `std::convert::TryFrom<&json::JsonString>` for type `error::JsonError`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/holochain_json_api-0.0.23/src/error/mod.rs:20:58
[INFO] [stdout]    |
[INFO] [stdout] 20 |     Clone, Debug, PartialEq, Eq, Serialize, Deserialize, DefaultJson, Hash, PartialOrd, Ord,
[INFO] [stdout]    |                                                          ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: conflicting implementation in crate `core`:
[INFO] [stdout]            - impl<T, U> TryFrom<U> for T
[INFO] [stdout]              where U: Into<T>;
[INFO] [stdout]    = note: this error originates in the derive macro `DefaultJson` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0119]: conflicting implementations of trait `std::convert::TryFrom<json::JsonString>` for type `error::JsonError`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/holochain_json_api-0.0.23/src/error/mod.rs:20:58
[INFO] [stdout]    |
[INFO] [stdout] 20 |     Clone, Debug, PartialEq, Eq, Serialize, Deserialize, DefaultJson, Hash, PartialOrd, Ord,
[INFO] [stdout]    |                                                          ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: conflicting implementation in crate `core`:
[INFO] [stdout]            - impl<T, U> TryFrom<U> for T
[INFO] [stdout]              where U: Into<T>;
[INFO] [stdout]    = note: this error originates in the derive macro `DefaultJson` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 5 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0119, E0432, E0554.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0119`.
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "726ce0f94e5d7f10f9ae2b96c73537fd1723a07f995762121b13faafd4be1560", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "726ce0f94e5d7f10f9ae2b96c73537fd1723a07f995762121b13faafd4be1560", kill_on_drop: false }`
[INFO] [stdout] 726ce0f94e5d7f10f9ae2b96c73537fd1723a07f995762121b13faafd4be1560