Dec 19 06:08:13.057 INFO checking vi/dnscache against try#e70472fc501b855c9080f3772432c10fe20b8866 for pr-56955
Dec 19 06:08:13.057 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-7/try#e70472fc501b855c9080f3772432c10fe20b8866:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/try#e70472fc501b855c9080f3772432c10fe20b8866/gh/vi/dnscache:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+e70472fc501b855c9080f3772432c10fe20b8866-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 19 06:08:13.770 INFO [stdout] 10c3599f34c8716f11e636f2bb9823b56a661440a85e5218a8ebaf0e7748d464
Dec 19 06:08:13.772 INFO running `"docker" "start" "-a" "10c3599f34c8716f11e636f2bb9823b56a661440a85e5218a8ebaf0e7748d464"`
Dec 19 06:08:15.498 INFO [stderr]     Checking integer-encoding v1.0.5
Dec 19 06:08:15.499 INFO [stderr]     Checking compactmap v0.3.7
Dec 19 06:08:15.499 INFO [stderr]    Compiling proc-macro2 v0.3.7
Dec 19 06:08:15.499 INFO [stderr]    Compiling crc v1.7.0
Dec 19 06:08:15.500 INFO [stderr]     Checking atty v0.2.9
Dec 19 06:08:15.505 INFO [stderr]     Checking log v0.4.1
Dec 19 06:08:15.505 INFO [stderr]     Checking snap v0.2.4
Dec 19 06:08:15.505 INFO [stderr]     Checking multimap v0.4.0
Dec 19 06:08:16.648 INFO [stderr]     Checking serde_bytes v0.10.4
Dec 19 06:08:17.687 INFO [stderr]     Checking serde_cbor v0.8.2
Dec 19 06:08:17.687 INFO [stderr]     Checking dns-parser v0.7.1
Dec 19 06:08:18.348 INFO [stderr]     Checking clap v2.31.2
Dec 19 06:08:18.907 INFO [stderr]     Checking println_logger v0.2.0
Dec 19 06:08:20.428 INFO [stderr]     Checking rusty-leveldb v0.2.3
Dec 19 06:08:23.672 INFO [stderr]    Compiling quote v0.5.2
Dec 19 06:08:25.074 INFO [stderr]    Compiling syn v0.13.1
Dec 19 06:08:35.460 INFO [stderr]    Compiling structopt-derive v0.2.7
Dec 19 06:08:35.460 INFO [stderr]    Compiling serde_derive_internals v0.23.1
Dec 19 06:08:39.496 INFO [stderr]    Compiling serde_derive v1.0.43
Dec 19 06:08:39.940 INFO [stderr]     Checking structopt v0.2.7
Dec 19 06:08:48.965 INFO [stderr]     Checking dnscache v0.3.2 (/opt/crater/workdir)
Dec 19 06:08:51.532 INFO [stderr] warning: unused `#[macro_use]` import
Dec 19 06:08:51.533 INFO [stderr]  --> src/main.rs:8:1
Dec 19 06:08:51.533 INFO [stderr]   |
Dec 19 06:08:51.533 INFO [stderr] 8 | #[macro_use]
Dec 19 06:08:51.534 INFO [stderr]   | ^^^^^^^^^^^^
Dec 19 06:08:51.534 INFO [stderr]   |
Dec 19 06:08:51.534 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 19 06:08:51.534 INFO [stderr] 
Dec 19 06:08:51.548 INFO [stderr] warning: unused `#[macro_use]` import
Dec 19 06:08:51.549 INFO [stderr]  --> src/main.rs:8:1
Dec 19 06:08:51.549 INFO [stderr]   |
Dec 19 06:08:51.549 INFO [stderr] 8 | #[macro_use]
Dec 19 06:08:51.550 INFO [stderr]   | ^^^^^^^^^^^^
Dec 19 06:08:51.550 INFO [stderr]   |
Dec 19 06:08:51.550 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 19 06:08:51.550 INFO [stderr] 
Dec 19 06:08:51.854 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 36.49s
Dec 19 06:08:53.676 INFO running `"docker" "inspect" "10c3599f34c8716f11e636f2bb9823b56a661440a85e5218a8ebaf0e7748d464"`
Dec 19 06:08:54.004 INFO running `"docker" "rm" "-f" "10c3599f34c8716f11e636f2bb9823b56a661440a85e5218a8ebaf0e7748d464"`
Dec 19 06:08:54.352 INFO [stdout] 10c3599f34c8716f11e636f2bb9823b56a661440a85e5218a8ebaf0e7748d464