[INFO] fetching crate register 1.0.2...
[INFO] checking register-1.0.2 against master#33fdb797f59421c7bbecaa4588ed5d7a31a9494a for pr-87190-3
[INFO] extracting crate register 1.0.2 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate register 1.0.2 on toolchain 33fdb797f59421c7bbecaa4588ed5d7a31a9494a
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "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-4/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: "/workspace/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 194c0993c7afc91254cbdc9b9473656406136f50f9ee5dd6e7764a257eae0e81
[INFO] running `Command { std: "docker" "start" "-a" "194c0993c7afc91254cbdc9b9473656406136f50f9ee5dd6e7764a257eae0e81", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "194c0993c7afc91254cbdc9b9473656406136f50f9ee5dd6e7764a257eae0e81", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "194c0993c7afc91254cbdc9b9473656406136f50f9ee5dd6e7764a257eae0e81", kill_on_drop: false }`
[INFO] [stdout] 194c0993c7afc91254cbdc9b9473656406136f50f9ee5dd6e7764a257eae0e81
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ad91be94ce38b3a9b4c9aad1106c9d36495c99745e549636c5c63ba5c27838be
[INFO] running `Command { std: "docker" "start" "-a" "ad91be94ce38b3a9b4c9aad1106c9d36495c99745e549636c5c63ba5c27838be", 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/github.com-1ecc6299db9ec823/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 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` due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "ad91be94ce38b3a9b4c9aad1106c9d36495c99745e549636c5c63ba5c27838be", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ad91be94ce38b3a9b4c9aad1106c9d36495c99745e549636c5c63ba5c27838be", kill_on_drop: false }`
[INFO] [stdout] ad91be94ce38b3a9b4c9aad1106c9d36495c99745e549636c5c63ba5c27838be