[INFO] fetching crate ethernet 0.1.6...
[INFO] testing ethernet-0.1.6 against 1.90.0 for beta-1.91-3
[INFO] extracting crate ethernet 0.1.6 into /workspace/builds/worker-6-tc1/source
[INFO] started tweaking crates.io crate ethernet 0.1.6
[INFO] finished tweaking crates.io crate ethernet 0.1.6
[INFO] tweaked toml for crates.io crate ethernet 0.1.6 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate ethernet 0.1.6 on toolchain 1.90.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate ethernet 0.1.6 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded scroll v0.13.0
[INFO] [stderr]   Downloaded ether-type v0.1.3
[INFO] [stderr]   Downloaded wasm-bindgen-shared v0.2.89
[INFO] [stderr]   Downloaded defile-proc_macros v0.2.1
[INFO] [stderr]   Downloaded macro-bits v0.1.5
[INFO] [stderr]   Downloaded wasm-bindgen-macro-support v0.2.89
[INFO] [stderr]   Downloaded defile v0.2.1
[INFO] [stderr]   Downloaded wasm-bindgen-backend v0.2.89
[INFO] [stderr]   Downloaded wasm-bindgen-macro v0.2.89
[INFO] [stderr]   Downloaded js-sys v0.3.66
[INFO] [stderr]   Downloaded serde_json v1.0.111
[INFO] [stderr]   Downloaded criterion v0.6.0
[INFO] [stderr]   Downloaded wasm-bindgen v0.2.89
[INFO] [stderr]   Downloaded web-sys v0.3.66
[INFO] [stderr]   Downloaded mac-parser v0.2.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] cf863f4cdf986a23b0a2eac1cd3f95d352c8403871a1441a2d9877ee1ba8d9dd
[INFO] running `Command { std: "docker" "start" "-a" "cf863f4cdf986a23b0a2eac1cd3f95d352c8403871a1441a2d9877ee1ba8d9dd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cf863f4cdf986a23b0a2eac1cd3f95d352c8403871a1441a2d9877ee1ba8d9dd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cf863f4cdf986a23b0a2eac1cd3f95d352c8403871a1441a2d9877ee1ba8d9dd", kill_on_drop: false }`
[INFO] [stdout] cf863f4cdf986a23b0a2eac1cd3f95d352c8403871a1441a2d9877ee1ba8d9dd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ca3dff42fcaaf975e75b02a331132029933891650e21214ec9ac5fe023914da2
[INFO] running `Command { std: "docker" "start" "-a" "ca3dff42fcaaf975e75b02a331132029933891650e21214ec9ac5fe023914da2", kill_on_drop: false }`
[INFO] [stderr]    Compiling defile-proc_macros v0.2.1
[INFO] [stderr]    Compiling scroll v0.13.0
[INFO] [stderr]    Compiling defile v0.2.1
[INFO] [stderr]    Compiling mac-parser v0.2.0
[INFO] [stderr]    Compiling macro-bits v0.1.5
[INFO] [stderr]    Compiling ether-type v0.1.3
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/ether-type-0.1.3/src/lib.rs:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(more_qualified_paths)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `ether-type` (lib) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "ca3dff42fcaaf975e75b02a331132029933891650e21214ec9ac5fe023914da2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ca3dff42fcaaf975e75b02a331132029933891650e21214ec9ac5fe023914da2", kill_on_drop: false }`
[INFO] [stdout] ca3dff42fcaaf975e75b02a331132029933891650e21214ec9ac5fe023914da2
