[INFO] fetching crate byte_muck 1.0.0...
[INFO] testing byte_muck-1.0.0 against master#cdb45c87e2cd43495379f7e867e3cc15dcee9f93 for pr-145838-1
[INFO] extracting crate byte_muck 1.0.0 into /workspace/builds/worker-1-tc1/source
[INFO] started tweaking crates.io crate byte_muck 1.0.0
[INFO] finished tweaking crates.io crate byte_muck 1.0.0
[INFO] tweaked toml for crates.io crate byte_muck 1.0.0 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate byte_muck 1.0.0 on toolchain cdb45c87e2cd43495379f7e867e3cc15dcee9f93
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 161c0f1831ff848065173247d52c601a6821919f1ca30018aea97e656e54ba88
[INFO] running `Command { std: "docker" "start" "-a" "161c0f1831ff848065173247d52c601a6821919f1ca30018aea97e656e54ba88", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "161c0f1831ff848065173247d52c601a6821919f1ca30018aea97e656e54ba88", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "161c0f1831ff848065173247d52c601a6821919f1ca30018aea97e656e54ba88", kill_on_drop: false }`
[INFO] [stdout] 161c0f1831ff848065173247d52c601a6821919f1ca30018aea97e656e54ba88
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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=forbid" "-e" "RUSTDOCFLAGS=--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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7146ae0474e0e18c3d0aebba1479f13d9f3fe9979f1b30ca6f1aca10a5736f87
[INFO] running `Command { std: "docker" "start" "-a" "7146ae0474e0e18c3d0aebba1479f13d9f3fe9979f1b30ca6f1aca10a5736f87", kill_on_drop: false }`
[INFO] [stderr]    Compiling byte_muck v1.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: You probably want the `bytemuck` crate instead.
[INFO] [stdout]  --> src/lib.rs:8:1
[INFO] [stdout]   |
[INFO] [stdout] 8 | compile_error!("You probably want the `bytemuck` crate instead.");
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `docs_rs`
[INFO] [stdout]  --> src/lib.rs:7:11
[INFO] [stdout]   |
[INFO] [stdout] 7 | #[cfg(not(docs_rs))]
[INFO] [stdout]   |           ^^^^^^^ help: there is a config with a similar name: `docsrs`
[INFO] [stdout]   |
[INFO] [stdout]   = help: consider using a Cargo feature instead
[INFO] [stdout]   = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]            [lints.rust]
[INFO] [stdout]            unexpected_cfgs = { level = "warn", check-cfg = ['cfg(docs_rs)'] }
[INFO] [stdout]   = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(docs_rs)");` to the top of the `build.rs`
[INFO] [stdout]   = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]   = note: `#[warn(unexpected_cfgs)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `byte_muck` (lib) due to 1 previous error; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "7146ae0474e0e18c3d0aebba1479f13d9f3fe9979f1b30ca6f1aca10a5736f87", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7146ae0474e0e18c3d0aebba1479f13d9f3fe9979f1b30ca6f1aca10a5736f87", kill_on_drop: false }`
[INFO] [stdout] 7146ae0474e0e18c3d0aebba1479f13d9f3fe9979f1b30ca6f1aca10a5736f87