Dec 05 10:29:59.721 INFO checking merkle-1.10.0 against try#1df97983eb2057dc6a8f7eb364e263b51ae23230 for pr-56481
Dec 05 10:29:59.721 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-4/try#1df97983eb2057dc6a8f7eb364e263b51ae23230:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-56481/try#1df97983eb2057dc6a8f7eb364e263b51ae23230:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +1df97983eb2057dc6a8f7eb364e263b51ae23230-alt check --frozen --all --all-targets" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 05 10:29:59.910 INFO [stdout] 40892fd70cc0d6ae9bfe503dc0912fbb4f167df1de21b1066f17f863a1084a8d
Dec 05 10:29:59.913 INFO running `"docker" "start" "-a" "40892fd70cc0d6ae9bfe503dc0912fbb4f167df1de21b1066f17f863a1084a8d"`
Dec 05 10:30:00.733 INFO [stderr] usermod: no changes
Dec 05 10:30:00.810 INFO [stderr]    Compiling merkle v1.10.0 (/source)
Dec 05 10:30:03.166 INFO [stderr] error[E0464]: multiple matching crates for `rand`
Dec 05 10:30:03.166 INFO [stderr]  --> benches/lib.rs:4:1
Dec 05 10:30:03.166 INFO [stderr]   |
Dec 05 10:30:03.166 INFO [stderr] 4 | extern crate rand;
Dec 05 10:30:03.166 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^
Dec 05 10:30:03.166 INFO [stderr]   |
Dec 05 10:30:03.166 INFO [stderr]   = note: candidates:
Dec 05 10:30:03.166 INFO [stderr]           crate `rand`: /rustup-home/toolchains/1df97983eb2057dc6a8f7eb364e263b51ae23230-alt/lib/rustlib/x86_64-unknown-linux-gnu/lib/librand-da72304db0ace128.rlib
Dec 05 10:30:03.166 INFO [stderr]           crate `rand`: /rustup-home/toolchains/1df97983eb2057dc6a8f7eb364e263b51ae23230-alt/lib/rustlib/x86_64-unknown-linux-gnu/lib/librand-1175c8a43b093191.rlib
Dec 05 10:30:03.166 INFO [stderr] 
Dec 05 10:30:03.166 INFO [stderr] error[E0463]: can't find crate for `rand`
Dec 05 10:30:03.166 INFO [stderr]  --> benches/lib.rs:4:1
Dec 05 10:30:03.166 INFO [stderr]   |
Dec 05 10:30:03.166 INFO [stderr] 4 | extern crate rand;
Dec 05 10:30:03.166 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^ can't find crate
Dec 05 10:30:03.166 INFO [stderr] 
Dec 05 10:30:03.166 INFO [stderr] error: aborting due to 2 previous errors
Dec 05 10:30:03.166 INFO [stderr] 
Dec 05 10:30:03.166 INFO [stderr] Some errors occurred: E0463, E0464.
Dec 05 10:30:03.166 INFO [stderr] For more information about an error, try `rustc --explain E0463`.
Dec 05 10:30:03.166 INFO [stderr] error: Could not compile `merkle`.
Dec 05 10:30:03.166 INFO [stderr] warning: build failed, waiting for other jobs to finish...
Dec 05 10:30:03.309 INFO [stderr] error: build failed
Dec 05 10:30:03.310 INFO [stderr] su: No module specific data is present
Dec 05 10:30:03.625 INFO running `"docker" "inspect" "40892fd70cc0d6ae9bfe503dc0912fbb4f167df1de21b1066f17f863a1084a8d"`
Dec 05 10:30:03.745 INFO running `"docker" "rm" "-f" "40892fd70cc0d6ae9bfe503dc0912fbb4f167df1de21b1066f17f863a1084a8d"`
Dec 05 10:30:03.939 INFO [stdout] 40892fd70cc0d6ae9bfe503dc0912fbb4f167df1de21b1066f17f863a1084a8d