Dec 17 12:35:14.205 INFO checking vi/dnscache against master#96d1334e567237b1507cd277938e7ae2de75ff51 for pr-54252
Dec 17 12:35:14.205 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-6/master#96d1334e567237b1507cd277938e7ae2de75ff51:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/master#96d1334e567237b1507cd277938e7ae2de75ff51/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" "+96d1334e567237b1507cd277938e7ae2de75ff51-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 17 12:35:14.689 INFO [stdout] c94a9c72d336e9fc3e49ae9778a8a9288c4dad050c64557f6ef8699f3a653c64
Dec 17 12:35:14.691 INFO running `"docker" "start" "-a" "c94a9c72d336e9fc3e49ae9778a8a9288c4dad050c64557f6ef8699f3a653c64"`
Dec 17 12:35:17.518 INFO [stderr]     Checking integer-encoding v1.0.5
Dec 17 12:35:17.518 INFO [stderr]     Checking serde v1.0.43
Dec 17 12:35:17.524 INFO [stderr]     Checking compactmap v0.3.7
Dec 17 12:35:17.593 INFO [stderr]    Compiling proc-macro2 v0.3.7
Dec 17 12:35:17.593 INFO [stderr]    Compiling crc v1.7.0
Dec 17 12:35:17.594 INFO [stderr]     Checking atty v0.2.9
Dec 17 12:35:17.594 INFO [stderr]     Checking snap v0.2.4
Dec 17 12:35:17.594 INFO [stderr]     Checking dns-parser v0.7.1
Dec 17 12:35:18.764 INFO [stderr]     Checking bytes v0.4.6
Dec 17 12:35:20.218 INFO [stderr]     Checking println_logger v0.2.0
Dec 17 12:35:20.337 INFO [stderr]     Checking clap v2.31.2
Dec 17 12:35:22.102 INFO [stderr]     Checking rusty-leveldb v0.2.3
Dec 17 12:35:25.016 INFO [stderr]    Compiling quote v0.5.2
Dec 17 12:35:26.212 INFO [stderr]    Compiling syn v0.13.1
Dec 17 12:35:37.837 INFO [stderr]    Compiling serde_derive_internals v0.23.1
Dec 17 12:35:37.838 INFO [stderr]    Compiling structopt-derive v0.2.7
Dec 17 12:35:41.749 INFO [stderr]     Checking structopt v0.2.7
Dec 17 12:35:42.343 INFO [stderr]     Checking serde_cbor v0.8.2
Dec 17 12:35:42.343 INFO [stderr]     Checking serde_bytes v0.10.4
Dec 17 12:35:42.344 INFO [stderr]     Checking multimap v0.4.0
Dec 17 12:35:42.593 INFO [stderr]    Compiling serde_derive v1.0.43
Dec 17 12:35:52.892 INFO [stderr]     Checking dnscache v0.3.2 (/opt/crater/workdir)
Dec 17 12:35:55.096 INFO [stderr] warning: unused `#[macro_use]` import
Dec 17 12:35:55.096 INFO [stderr]  --> src/main.rs:8:1
Dec 17 12:35:55.096 INFO [stderr]   |
Dec 17 12:35:55.096 INFO [stderr] 8 | #[macro_use]
Dec 17 12:35:55.096 INFO [stderr]   | ^^^^^^^^^^^^
Dec 17 12:35:55.096 INFO [stderr]   |
Dec 17 12:35:55.096 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 17 12:35:55.096 INFO [stderr] 
Dec 17 12:35:55.117 INFO [stderr] warning: unused `#[macro_use]` import
Dec 17 12:35:55.117 INFO [stderr]  --> src/main.rs:8:1
Dec 17 12:35:55.117 INFO [stderr]   |
Dec 17 12:35:55.117 INFO [stderr] 8 | #[macro_use]
Dec 17 12:35:55.117 INFO [stderr]   | ^^^^^^^^^^^^
Dec 17 12:35:55.117 INFO [stderr]   |
Dec 17 12:35:55.117 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 17 12:35:55.117 INFO [stderr] 
Dec 17 12:35:55.557 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 38.24s
Dec 17 12:35:57.086 INFO running `"docker" "inspect" "c94a9c72d336e9fc3e49ae9778a8a9288c4dad050c64557f6ef8699f3a653c64"`
Dec 17 12:35:57.530 INFO running `"docker" "rm" "-f" "c94a9c72d336e9fc3e49ae9778a8a9288c4dad050c64557f6ef8699f3a653c64"`
Dec 17 12:35:58.042 INFO [stdout] c94a9c72d336e9fc3e49ae9778a8a9288c4dad050c64557f6ef8699f3a653c64