Dec 18 14:03:00.903 INFO checking merkle-1.10.0 against master#96d1334e567237b1507cd277938e7ae2de75ff51 for pr-54252
Dec 18 14:03:00.903 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-0/master#96d1334e567237b1507cd277938e7ae2de75ff51:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/master#96d1334e567237b1507cd277938e7ae2de75ff51/reg/merkle/1.10.0:/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 18 14:03:01.174 INFO [stdout] 2556415ac3b0a9a2b4a74e7a41f2d5a33b38e5f26455c659657e2e1f0d415e04
Dec 18 14:03:01.177 INFO running `"docker" "start" "-a" "2556415ac3b0a9a2b4a74e7a41f2d5a33b38e5f26455c659657e2e1f0d415e04"`
Dec 18 14:03:01.842 INFO [stderr]    Compiling merkle v1.10.0 (/opt/crater/workdir)
Dec 18 14:03:03.343 INFO [stderr] error[E0464]: multiple matching crates for `rand`
Dec 18 14:03:03.343 INFO [stderr]  --> benches/lib.rs:4:1
Dec 18 14:03:03.343 INFO [stderr]   |
Dec 18 14:03:03.343 INFO [stderr] 4 | extern crate rand;
Dec 18 14:03:03.343 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^
Dec 18 14:03:03.343 INFO [stderr]   |
Dec 18 14:03:03.343 INFO [stderr]   = note: candidates:
Dec 18 14:03:03.343 INFO [stderr]           crate `rand`: /opt/crater/rustup-home/toolchains/96d1334e567237b1507cd277938e7ae2de75ff51-alt/lib/rustlib/x86_64-unknown-linux-gnu/lib/librand-413b6f8c961e24c3.rlib
Dec 18 14:03:03.343 INFO [stderr]           crate `rand`: /opt/crater/rustup-home/toolchains/96d1334e567237b1507cd277938e7ae2de75ff51-alt/lib/rustlib/x86_64-unknown-linux-gnu/lib/librand-69015c6288edc586.rlib
Dec 18 14:03:03.343 INFO [stderr]           crate `rand`: /opt/crater/rustup-home/toolchains/96d1334e567237b1507cd277938e7ae2de75ff51-alt/lib/rustlib/x86_64-unknown-linux-gnu/lib/librand-cbc15068b75977f8.rlib
Dec 18 14:03:03.343 INFO [stderr] 
Dec 18 14:03:03.343 INFO [stderr] error[E0463]: can't find crate for `rand`
Dec 18 14:03:03.343 INFO [stderr]  --> benches/lib.rs:4:1
Dec 18 14:03:03.343 INFO [stderr]   |
Dec 18 14:03:03.343 INFO [stderr] 4 | extern crate rand;
Dec 18 14:03:03.343 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^ can't find crate
Dec 18 14:03:03.343 INFO [stderr] 
Dec 18 14:03:03.343 INFO [stderr] error: aborting due to 2 previous errors
Dec 18 14:03:03.343 INFO [stderr] 
Dec 18 14:03:03.343 INFO [stderr] Some errors occurred: E0463, E0464.
Dec 18 14:03:03.343 INFO [stderr] For more information about an error, try `rustc --explain E0463`.
Dec 18 14:03:03.356 INFO [stderr] error: Could not compile `merkle`.
Dec 18 14:03:03.356 INFO [stderr] warning: build failed, waiting for other jobs to finish...
Dec 18 14:03:03.416 INFO [stderr] error: build failed
Dec 18 14:03:03.945 INFO running `"docker" "inspect" "2556415ac3b0a9a2b4a74e7a41f2d5a33b38e5f26455c659657e2e1f0d415e04"`
Dec 18 14:03:04.103 INFO running `"docker" "rm" "-f" "2556415ac3b0a9a2b4a74e7a41f2d5a33b38e5f26455c659657e2e1f0d415e04"`
Dec 18 14:03:04.248 INFO [stdout] 2556415ac3b0a9a2b4a74e7a41f2d5a33b38e5f26455c659657e2e1f0d415e04