[INFO] fetching crate rhyoea 0.1.0...
[INFO] testing rhyoea-0.1.0 against master#a77da2d454e6caa227a85b16410b95f93495e7e0 for pr-91031
[INFO] extracting crate rhyoea 0.1.0 into /workspace/builds/worker-117/source
[INFO] validating manifest of crates.io crate rhyoea 0.1.0 on toolchain a77da2d454e6caa227a85b16410b95f93495e7e0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rhyoea 0.1.0
[INFO] finished tweaking crates.io crate rhyoea 0.1.0
[INFO] tweaked toml for crates.io crate rhyoea 0.1.0 written to /workspace/builds/worker-117/source/Cargo.toml
[INFO] crate crates.io crate rhyoea 0.1.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: the cargo feature `edition` has been stabilized in the 1.31 release and is no longer necessary to be listed in the manifest
[INFO] [stderr]   See https://doc.rust-lang.org/nightly/cargo/reference/manifest.html#the-edition-field for more information about using this feature.
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded atty v0.2.13
[INFO] [stderr]   Downloaded cargo-husky v1.4.0
[INFO] [stderr]   Downloaded colored v1.9.0
[INFO] [stderr]   Downloaded libc v0.2.66
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-117/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-117/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" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 08432e4031a7b8f9ac9751ba6f70d328516c34ffb263f2d418f15659a0e404ac
[INFO] running `Command { std: "docker" "start" "-a" "08432e4031a7b8f9ac9751ba6f70d328516c34ffb263f2d418f15659a0e404ac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "08432e4031a7b8f9ac9751ba6f70d328516c34ffb263f2d418f15659a0e404ac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "08432e4031a7b8f9ac9751ba6f70d328516c34ffb263f2d418f15659a0e404ac", kill_on_drop: false }`
[INFO] [stdout] 08432e4031a7b8f9ac9751ba6f70d328516c34ffb263f2d418f15659a0e404ac
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-117/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-117/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" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a273ec8e5482168bf67087a3aed9e757ebeaa08c80941b86e83205489842e42d
[INFO] running `Command { std: "docker" "start" "-a" "a273ec8e5482168bf67087a3aed9e757ebeaa08c80941b86e83205489842e42d", kill_on_drop: false }`
[INFO] [stderr] warning: the cargo feature `edition` has been stabilized in the 1.31 release and is no longer necessary to be listed in the manifest
[INFO] [stderr]   See https://doc.rust-lang.org/nightly/cargo/reference/manifest.html#the-edition-field for more information about using this feature.
[INFO] [stderr]    Compiling libc v0.2.66
[INFO] [stderr]    Compiling atty v0.2.13
[INFO] [stderr]    Compiling colored v1.9.0
[INFO] [stderr]    Compiling rhyoea v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: field is never read: `extensions_information`
[INFO] [stdout]   --> src/instance/information.rs:32:5
[INFO] [stdout]    |
[INFO] [stdout] 32 |     extensions_information: ExtendsInformation<Extension>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]   --> src/lib.rs:75:9
[INFO] [stdout]    |
[INFO] [stdout] 75 | #![deny(warnings)]
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout]    = note: `#[deny(dead_code)]` implied by `#[deny(warnings)]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: field is never read: `layers_information`
[INFO] [stdout]   --> src/instance/information.rs:35:5
[INFO] [stdout]    |
[INFO] [stdout] 35 |     layers_information: ExtendsInformation<Layer>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: field is never read: `extends_names`
[INFO] [stdout]   --> src/instance/information.rs:72:5
[INFO] [stdout]    |
[INFO] [stdout] 72 |     extends_names: Vec<CString>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rhyoea` due to 4 previous errors
[INFO] running `Command { std: "docker" "inspect" "a273ec8e5482168bf67087a3aed9e757ebeaa08c80941b86e83205489842e42d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a273ec8e5482168bf67087a3aed9e757ebeaa08c80941b86e83205489842e42d", kill_on_drop: false }`
[INFO] [stdout] a273ec8e5482168bf67087a3aed9e757ebeaa08c80941b86e83205489842e42d