[INFO] crate electrs 0.7.1 is already in cache
[INFO] checking electrs-0.7.1 against try#00e4530a79c42b21a6ca2ac1edb597c90d21f89f for pr-64672
[INFO] extracting crate electrs 0.7.1 into work/builds/worker-1/source
[INFO] validating manifest of crates.io crate electrs 0.7.1 on toolchain 00e4530a79c42b21a6ca2ac1edb597c90d21f89f
[INFO] running `"/mnt/big/crater/work/cargo-home/bin/cargo" "+00e4530a79c42b21a6ca2ac1edb597c90d21f89f" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate electrs 0.7.1
[INFO] finished tweaking crates.io crate electrs 0.7.1
[INFO] tweaked toml for crates.io crate electrs 0.7.1 written to work/builds/worker-1/source/Cargo.toml
[INFO] running `"/mnt/big/crater/work/cargo-home/bin/cargo" "+00e4530a79c42b21a6ca2ac1edb597c90d21f89f" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/mnt/big/crater/work/cargo-home/bin/cargo" "+00e4530a79c42b21a6ca2ac1edb597c90d21f89f" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/mnt/big/crater/work/builds/worker-1/source:/opt/rustwide/workdir:ro,Z" "-v" "/mnt/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+00e4530a79c42b21a6ca2ac1edb597c90d21f89f" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 935d1559ab32ed0b0ae8729cb8906e5d10541cc9dcbac6d36b3d64b49249e55e
[INFO] running `"docker" "start" "-a" "935d1559ab32ed0b0ae8729cb8906e5d10541cc9dcbac6d36b3d64b49249e55e"`
[INFO] [stderr]    Compiling prometheus v0.5.0
[INFO] [stderr]     Checking bech32 v0.6.0
[INFO] [stderr]     Checking hashbrown v0.5.0
[INFO] [stderr]     Checking spin v0.4.10
[INFO] [stderr]     Checking ascii v0.8.7
[INFO] [stderr]     Checking chunked_transfer v0.3.1
[INFO] [stderr]     Checking page_size v0.4.1
[INFO] [stderr]     Checking bitcoin_hashes v0.3.2
[INFO] [stderr]     Checking sysconf v0.3.4
[INFO] [stderr]     Checking stderrlog v0.4.1
[INFO] [stderr]    Compiling rayon-core v1.6.0
[INFO] [stderr]     Checking bitcoin-bech32 v0.9.0
[INFO] [stderr]     Checking tiny_http v0.6.2
[INFO] [stderr]     Checking lru v0.1.17
[INFO] [stderr]    Compiling rayon v1.2.0
[INFO] [stderr] error[E0658]: auto traits are experimental and possibly buggy
[INFO] [stderr]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/lru-0.1.17/src/lib.rs:110:1
[INFO] [stderr]     |
[INFO] [stderr] 110 | pub auto trait NotKeyRef {}
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: for more information, see https://github.com/rust-lang/rust/issues/13231
[INFO] [stderr]     = help: add `#![feature(optin_builtin_traits)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: negative trait bounds are not yet fully implemented; use marker types for now
[INFO] [stderr]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/lru-0.1.17/src/lib.rs:113:9
[INFO] [stderr]     |
[INFO] [stderr] 113 | impl<K> !NotKeyRef for KeyRef<K> {}
[INFO] [stderr]     |         ^
[INFO] [stderr]     |
[INFO] [stderr]     = note: for more information, see https://github.com/rust-lang/rust/issues/13231
[INFO] [stderr]     = help: add `#![feature(optin_builtin_traits)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 2 previous errors
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0658`.
[INFO] [stderr] error: could not compile `lru`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "935d1559ab32ed0b0ae8729cb8906e5d10541cc9dcbac6d36b3d64b49249e55e"`
[INFO] running `"docker" "rm" "-f" "935d1559ab32ed0b0ae8729cb8906e5d10541cc9dcbac6d36b3d64b49249e55e"`
[INFO] [stdout] 935d1559ab32ed0b0ae8729cb8906e5d10541cc9dcbac6d36b3d64b49249e55e