[INFO] crate doh-client 1.4.4 is already in cache
[INFO] checking doh-client-1.4.4 against try#00e4530a79c42b21a6ca2ac1edb597c90d21f89f for pr-64672
[INFO] extracting crate doh-client 1.4.4 into work/builds/worker-5/source
[INFO] validating manifest of crates.io crate doh-client 1.4.4 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 doh-client 1.4.4
[INFO] finished tweaking crates.io crate doh-client 1.4.4
[INFO] tweaked toml for crates.io crate doh-client 1.4.4 written to work/builds/worker-5/source/Cargo.toml
[INFO] crate crates.io crate doh-client 1.4.4 already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/cargo-home/bin/cargo" "+00e4530a79c42b21a6ca2ac1edb597c90d21f89f" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/mnt/big/crater/work/builds/worker-5/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] 83fe670cfcf48a812145d5a4cde75e2ec16ef69a9f10637a99bc0b415fe2dabd
[INFO] running `"docker" "start" "-a" "83fe670cfcf48a812145d5a4cde75e2ec16ef69a9f10637a99bc0b415fe2dabd"`
[INFO] [stderr]     Checking spin v0.5.1
[INFO] [stderr]     Checking untrusted v0.7.0
[INFO] [stderr]    Compiling ring v0.16.5
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking iovec v0.1.2
[INFO] [stderr]     Checking net2 v0.2.33
[INFO] [stderr]     Checking atty v0.2.13
[INFO] [stderr]     Checking hashbrown v0.1.8
[INFO] [stderr]     Checking futures-locks v0.3.3
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]     Checking bytes v0.4.12
[INFO] [stderr]     Checking rand v0.6.5
[INFO] [stderr]     Checking mio v0.6.19
[INFO] [stderr]     Checking tokio-io v0.1.12
[INFO] [stderr]     Checking http v0.1.18
[INFO] [stderr]     Checking string v0.2.1
[INFO] [stderr]     Checking lru v0.1.16
[INFO] [stderr] error[E0658]: auto traits are experimental and possibly buggy
[INFO] [stderr]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/lru-0.1.16/src/lib.rs:109:1
[INFO] [stderr]     |
[INFO] [stderr] 109 | 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-0.1.16/src/lib.rs:112:9
[INFO] [stderr]     |
[INFO] [stderr] 112 | 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" "83fe670cfcf48a812145d5a4cde75e2ec16ef69a9f10637a99bc0b415fe2dabd"`
[INFO] running `"docker" "rm" "-f" "83fe670cfcf48a812145d5a4cde75e2ec16ef69a9f10637a99bc0b415fe2dabd"`
[INFO] [stdout] 83fe670cfcf48a812145d5a4cde75e2ec16ef69a9f10637a99bc0b415fe2dabd