[INFO] fetching crate register 1.0.2...
[INFO] checking register-1.0.2 against master#f609b7e0586f81fefb3523e3e17adf779ac416be for pr-129466-2
[INFO] extracting crate register 1.0.2 into /workspace/builds/worker-6-tc1/source
[INFO] validating manifest of crates.io crate register 1.0.2 on toolchain f609b7e0586f81fefb3523e3e17adf779ac416be
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f609b7e0586f81fefb3523e3e17adf779ac416be" "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-6-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" "+f609b7e0586f81fefb3523e3e17adf779ac416be" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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-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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+f609b7e0586f81fefb3523e3e17adf779ac416be" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 71c98e6e9a73ca55339fb2abc1c31287d59d31a9c2be3754cc0c86e2d2f3c95f
[INFO] running `Command { std: "docker" "start" "-a" "71c98e6e9a73ca55339fb2abc1c31287d59d31a9c2be3754cc0c86e2d2f3c95f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "71c98e6e9a73ca55339fb2abc1c31287d59d31a9c2be3754cc0c86e2d2f3c95f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "71c98e6e9a73ca55339fb2abc1c31287d59d31a9c2be3754cc0c86e2d2f3c95f", kill_on_drop: false }`
[INFO] [stdout] 71c98e6e9a73ca55339fb2abc1c31287d59d31a9c2be3754cc0c86e2d2f3c95f
[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=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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+f609b7e0586f81fefb3523e3e17adf779ac416be" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0ffcda4630ffb7e003df27b3d04c3c7f6550c6ccaef0ded977830aaaeb684638
[INFO] running `Command { std: "docker" "start" "-a" "0ffcda4630ffb7e003df27b3d04c3c7f6550c6ccaef0ded977830aaaeb684638", kill_on_drop: false }`
[INFO] [stderr]     Checking 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" "0ffcda4630ffb7e003df27b3d04c3c7f6550c6ccaef0ded977830aaaeb684638", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0ffcda4630ffb7e003df27b3d04c3c7f6550c6ccaef0ded977830aaaeb684638", kill_on_drop: false }`
[INFO] [stdout] 0ffcda4630ffb7e003df27b3d04c3c7f6550c6ccaef0ded977830aaaeb684638