[INFO] fetching crate byte_muck 1.0.0...
[INFO] testing byte_muck-1.0.0 against master#b70888601af92f6cdc0364abab3446e418b91d36 for pr-86479
[INFO] extracting crate byte_muck 1.0.0 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate byte_muck 1.0.0 on toolchain b70888601af92f6cdc0364abab3446e418b91d36
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 4cc1c5b130ff996e6a3209422f8df82e6b73c09af3c2108850df0b9391698c76
[INFO] running `Command { std: "docker" "start" "-a" "4cc1c5b130ff996e6a3209422f8df82e6b73c09af3c2108850df0b9391698c76", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4cc1c5b130ff996e6a3209422f8df82e6b73c09af3c2108850df0b9391698c76", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4cc1c5b130ff996e6a3209422f8df82e6b73c09af3c2108850df0b9391698c76", kill_on_drop: false }`
[INFO] [stdout] 4cc1c5b130ff996e6a3209422f8df82e6b73c09af3c2108850df0b9391698c76
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f446ce42b01c7037f848bf10e5b3c05ae9ce3cb8b25a6333e3ebd7d9c81fdd9d
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "f446ce42b01c7037f848bf10e5b3c05ae9ce3cb8b25a6333e3ebd7d9c81fdd9d", 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] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `byte_muck` due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "f446ce42b01c7037f848bf10e5b3c05ae9ce3cb8b25a6333e3ebd7d9c81fdd9d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f446ce42b01c7037f848bf10e5b3c05ae9ce3cb8b25a6333e3ebd7d9c81fdd9d", kill_on_drop: false }`
[INFO] [stdout] f446ce42b01c7037f848bf10e5b3c05ae9ce3cb8b25a6333e3ebd7d9c81fdd9d