[INFO] crate ares 0.1.0 is already in cache
[INFO] extracting crate ares 0.1.0 into work/ex/beta-1.37-6/sources/1.36.0/reg/ares/0.1.0
[INFO] extracting crate ares 0.1.0 into work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/ares/0.1.0
[INFO] validating manifest of ares-0.1.0 on toolchain 1.36.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of ares-0.1.0 on toolchain beta-2019-07-23
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing ares-0.1.0
[INFO] finished frobbing ares-0.1.0
[INFO] frobbed toml for ares-0.1.0 written to work/ex/beta-1.37-6/sources/1.36.0/reg/ares/0.1.0/Cargo.toml
[INFO] started frobbing ares-0.1.0
[INFO] finished frobbing ares-0.1.0
[INFO] frobbed toml for ares-0.1.0 written to work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/ares/0.1.0/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] testing ares-0.1.0 against 1.36.0 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-2/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/reg/ares/0.1.0:/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=warn" "-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" "+1.36.0" "build" "--frozen"`
[INFO] [stdout] 0cbcf393ba2862d921aec84cef427c1e8e08f000311aa9961acd06f7e7c2423e
[INFO] running `"docker" "start" "-a" "0cbcf393ba2862d921aec84cef427c1e8e08f000311aa9961acd06f7e7c2423e"`
[INFO] [stderr]    Compiling ares v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unnecessary parentheses around function argument
[INFO] [stderr]    --> src/eval.rs:102:51
[INFO] [stderr]     |
[INFO] [stderr] 102 |             hasher.write(&transmute::<_, [u8; 4]>((v as u32)))
[INFO] [stderr]     |                                                   ^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_parens)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around function argument
[INFO] [stderr]    --> src/eval.rs:104:51
[INFO] [stderr]     |
[INFO] [stderr] 104 |             hasher.write(&transmute::<_, [u8; 8]>((v as u64)))
[INFO] [stderr]     |                                                   ^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.29s
[INFO] running `"docker" "inspect" "0cbcf393ba2862d921aec84cef427c1e8e08f000311aa9961acd06f7e7c2423e"`
[INFO] running `"docker" "rm" "-f" "0cbcf393ba2862d921aec84cef427c1e8e08f000311aa9961acd06f7e7c2423e"`
[INFO] [stdout] 0cbcf393ba2862d921aec84cef427c1e8e08f000311aa9961acd06f7e7c2423e
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-2/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/reg/ares/0.1.0:/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=warn" "-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" "+1.36.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 0a5369db1f7e01e0868615209b73f5903020acd858b27c95b808615f78bfcfe2
[INFO] running `"docker" "start" "-a" "0a5369db1f7e01e0868615209b73f5903020acd858b27c95b808615f78bfcfe2"`
[INFO] [stderr]    Compiling ares v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unnecessary parentheses around function argument
[INFO] [stderr]    --> src/eval.rs:102:51
[INFO] [stderr]     |
[INFO] [stderr] 102 |             hasher.write(&transmute::<_, [u8; 4]>((v as u32)))
[INFO] [stderr]     |                                                   ^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_parens)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around function argument
[INFO] [stderr]    --> src/eval.rs:104:51
[INFO] [stderr]     |
[INFO] [stderr] 104 |             hasher.write(&transmute::<_, [u8; 8]>((v as u64)))
[INFO] [stderr]     |                                                   ^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] error[E0463]: can't find crate for `rebar`
[INFO] [stderr]  --> tests/equals.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | extern crate rebar;
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^ can't find crate
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0463`.
[INFO] [stderr] error: Could not compile `ares`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error[E0463]: can't find crate for `rebar`
[INFO] [stderr]  --> tests/define.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | extern crate rebar;
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^ can't find crate
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0463`.
[INFO] [stderr] error: Could not compile `ares`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error[E0463]: can't find crate for `rebar`
[INFO] [stderr]  --> tests/types.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | extern crate rebar;
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^ can't find crate
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0463`.
[INFO] [stderr] error: Could not compile `ares`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error[E0463]: can't find crate for `rebar`
[INFO] [stderr]  --> tests/util.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | extern crate rebar;
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^ can't find crate
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0463`.
[INFO] [stderr] error: Could not compile `ares`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error[E0463]: can't find crate for `rebar`
[INFO] [stderr]  --> tests/lambda.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | extern crate rebar;
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^ can't find crate
[INFO] [stderr] error[E0463]: can't find crate for `rebar`
[INFO] [stderr]  --> tests/cond.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | extern crate rebar;
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^ can't find crate
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0463`.
[INFO] [stderr] error: Could not compile `ares`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0463`.
[INFO] [stderr] error: Could not compile `ares`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error[E0463]: can't find crate for `rebar`
[INFO] [stderr]  --> tests/arithmetic.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | extern crate rebar;
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^ can't find crate
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0463`.
[INFO] [stderr] error: Could not compile `ares`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "0a5369db1f7e01e0868615209b73f5903020acd858b27c95b808615f78bfcfe2"`
[INFO] running `"docker" "rm" "-f" "0a5369db1f7e01e0868615209b73f5903020acd858b27c95b808615f78bfcfe2"`
[INFO] [stdout] 0a5369db1f7e01e0868615209b73f5903020acd858b27c95b808615f78bfcfe2