[INFO] fetching crate register 1.0.2...
[INFO] testing register-1.0.2 against 1.76.0 for beta-1.77-1
[INFO] extracting crate register 1.0.2 into /workspace/builds/worker-3-tc1/source
[INFO] validating manifest of crates.io crate register 1.0.2 on toolchain 1.76.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.76.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate register 1.0.2
[INFO] finished tweaking crates.io crate register 1.0.2
[INFO] tweaked toml for crates.io crate register 1.0.2 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] crate crates.io crate register 1.0.2 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" "+1.76.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded tock-registers v0.6.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.76.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2be42e47eca3d585e1c804b406fa1ecfd16f0518559cd2159becfeba193ffc42
[INFO] running `Command { std: "docker" "start" "-a" "2be42e47eca3d585e1c804b406fa1ecfd16f0518559cd2159becfeba193ffc42", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2be42e47eca3d585e1c804b406fa1ecfd16f0518559cd2159becfeba193ffc42", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2be42e47eca3d585e1c804b406fa1ecfd16f0518559cd2159becfeba193ffc42", kill_on_drop: false }`
[INFO] [stdout] 2be42e47eca3d585e1c804b406fa1ecfd16f0518559cd2159becfeba193ffc42
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.76.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 43d43cf9b8f6067e352863800b72f4174282830c7d5b02ff5c721a51bbfa7f6b
[INFO] running `Command { std: "docker" "start" "-a" "43d43cf9b8f6067e352863800b72f4174282830c7d5b02ff5c721a51bbfa7f6b", kill_on_drop: false }`
[INFO] [stderr]    Compiling tock-registers v0.6.0
[INFO] [stdout] error[E0557]: feature has been removed
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tock-registers-0.6.0/src/lib.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 5 | #![feature(const_fn)]
[INFO] [stdout]   |            ^^^^^^^^ feature has been removed
[INFO] [stdout]   |
[INFO] [stdout]   = note: split into finer-grained feature gates
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0557`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `tock-registers` (lib) due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "43d43cf9b8f6067e352863800b72f4174282830c7d5b02ff5c721a51bbfa7f6b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "43d43cf9b8f6067e352863800b72f4174282830c7d5b02ff5c721a51bbfa7f6b", kill_on_drop: false }`
[INFO] [stdout] 43d43cf9b8f6067e352863800b72f4174282830c7d5b02ff5c721a51bbfa7f6b
