[INFO] crate treesum 0.1.1 is already in cache
[INFO] extracting crate treesum 0.1.1 into work/ex/beta-1.37-6/sources/1.36.0/reg/treesum/0.1.1
[INFO] extracting crate treesum 0.1.1 into work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/treesum/0.1.1
[INFO] validating manifest of treesum-0.1.1 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 treesum-0.1.1 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 treesum-0.1.1
[INFO] finished frobbing treesum-0.1.1
[INFO] frobbed toml for treesum-0.1.1 written to work/ex/beta-1.37-6/sources/1.36.0/reg/treesum/0.1.1/Cargo.toml
[INFO] started frobbing treesum-0.1.1
[INFO] finished frobbing treesum-0.1.1
[INFO] frobbed toml for treesum-0.1.1 written to work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/treesum/0.1.1/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] testing treesum-0.1.1 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-6/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/reg/treesum/0.1.1:/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] 1fd03a0a6ea4d096a69da166e270c413d3470459803ff8e54979d063b3b9bb8d
[INFO] running `"docker" "start" "-a" "1fd03a0a6ea4d096a69da166e270c413d3470459803ff8e54979d063b3b9bb8d"`
[INFO] [stderr]    Compiling parallel-iterator v0.1.4
[INFO] [stderr]    Compiling treesum v0.1.1 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.85s
[INFO] running `"docker" "inspect" "1fd03a0a6ea4d096a69da166e270c413d3470459803ff8e54979d063b3b9bb8d"`
[INFO] running `"docker" "rm" "-f" "1fd03a0a6ea4d096a69da166e270c413d3470459803ff8e54979d063b3b9bb8d"`
[INFO] [stdout] 1fd03a0a6ea4d096a69da166e270c413d3470459803ff8e54979d063b3b9bb8d
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-6/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/reg/treesum/0.1.1:/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] 171e6d37b32b207d4c3d38b881f7f8893e92e8b2726ad7345d79ed1b39161384
[INFO] running `"docker" "start" "-a" "171e6d37b32b207d4c3d38b881f7f8893e92e8b2726ad7345d79ed1b39161384"`
[INFO] [stderr]    Compiling treesum v0.1.1 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.91s
[INFO] running `"docker" "inspect" "171e6d37b32b207d4c3d38b881f7f8893e92e8b2726ad7345d79ed1b39161384"`
[INFO] running `"docker" "rm" "-f" "171e6d37b32b207d4c3d38b881f7f8893e92e8b2726ad7345d79ed1b39161384"`
[INFO] [stdout] 171e6d37b32b207d4c3d38b881f7f8893e92e8b2726ad7345d79ed1b39161384
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-6/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/reg/treesum/0.1.1:/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"`
[INFO] [stdout] 277e20d8ba7d53bcef88d12459f0ff09c46a596b555c616ec4ef1f3df2a7bc90
[INFO] running `"docker" "start" "-a" "277e20d8ba7d53bcef88d12459f0ff09c46a596b555c616ec4ef1f3df2a7bc90"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/treesum-13319be621788b82
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "277e20d8ba7d53bcef88d12459f0ff09c46a596b555c616ec4ef1f3df2a7bc90"`
[INFO] running `"docker" "rm" "-f" "277e20d8ba7d53bcef88d12459f0ff09c46a596b555c616ec4ef1f3df2a7bc90"`
[INFO] [stdout] 277e20d8ba7d53bcef88d12459f0ff09c46a596b555c616ec4ef1f3df2a7bc90