[INFO] updating cached repository ShinNakamura/studying_rust
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/ShinNakamura/studying_rust
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/ShinNakamura/studying_rust" "work/ex/beta-1.37-6/sources/1.36.0/gh/ShinNakamura/studying_rust"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/ShinNakamura/studying_rust'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/ShinNakamura/studying_rust" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/ShinNakamura/studying_rust"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/ShinNakamura/studying_rust'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 4407096051807fa9254d9bf57cd11ed18ae872ec
[INFO] sha for GitHub repo ShinNakamura/studying_rust: 4407096051807fa9254d9bf57cd11ed18ae872ec
[INFO] validating manifest of ShinNakamura/studying_rust 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 ShinNakamura/studying_rust 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 ShinNakamura/studying_rust
[INFO] finished frobbing ShinNakamura/studying_rust
[INFO] frobbed toml for ShinNakamura/studying_rust written to work/ex/beta-1.37-6/sources/1.36.0/gh/ShinNakamura/studying_rust/Cargo.toml
[INFO] started frobbing ShinNakamura/studying_rust
[INFO] finished frobbing ShinNakamura/studying_rust
[INFO] frobbed toml for ShinNakamura/studying_rust written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/ShinNakamura/studying_rust/Cargo.toml
[INFO] crate ShinNakamura/studying_rust already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache lock
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing ShinNakamura/studying_rust 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-5/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/ShinNakamura/studying_rust:/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] a8d3e477d4c91a97572835ccf74784f4657d138bea3b57e4f6c9c44ddb86d4ab
[INFO] running `"docker" "start" "-a" "a8d3e477d4c91a97572835ccf74784f4657d138bea3b57e4f6c9c44ddb86d4ab"`
[INFO] [stderr]    Compiling study v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.17s
[INFO] running `"docker" "inspect" "a8d3e477d4c91a97572835ccf74784f4657d138bea3b57e4f6c9c44ddb86d4ab"`
[INFO] running `"docker" "rm" "-f" "a8d3e477d4c91a97572835ccf74784f4657d138bea3b57e4f6c9c44ddb86d4ab"`
[INFO] [stdout] a8d3e477d4c91a97572835ccf74784f4657d138bea3b57e4f6c9c44ddb86d4ab
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-5/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/ShinNakamura/studying_rust:/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] 87892b301cd5f647fbc50bdcea17700b71d87f1ab73ef9ee611329a07fdb073d
[INFO] running `"docker" "start" "-a" "87892b301cd5f647fbc50bdcea17700b71d87f1ab73ef9ee611329a07fdb073d"`
[INFO] [stderr]    Compiling study v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.88s
[INFO] running `"docker" "inspect" "87892b301cd5f647fbc50bdcea17700b71d87f1ab73ef9ee611329a07fdb073d"`
[INFO] running `"docker" "rm" "-f" "87892b301cd5f647fbc50bdcea17700b71d87f1ab73ef9ee611329a07fdb073d"`
[INFO] [stdout] 87892b301cd5f647fbc50bdcea17700b71d87f1ab73ef9ee611329a07fdb073d
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-5/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/ShinNakamura/studying_rust:/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] e083ffb8c15616380a379c4c103cd5dff2f3a4bdc1fa51b7831da0980bc64092
[INFO] running `"docker" "start" "-a" "e083ffb8c15616380a379c4c103cd5dff2f3a4bdc1fa51b7831da0980bc64092"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/loop-f3f077d87a89438d
[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] [stderr]      Running /opt/crater/target/debug/deps/rc-b4a41a39ef04e2fd
[INFO] [stderr]      Running /opt/crater/target/debug/deps/str_string-d6f1b207201c1def
[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] [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] [stderr]      Running /opt/crater/target/debug/deps/study-3b9fc3e61b1d808b
[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" "e083ffb8c15616380a379c4c103cd5dff2f3a4bdc1fa51b7831da0980bc64092"`
[INFO] running `"docker" "rm" "-f" "e083ffb8c15616380a379c4c103cd5dff2f3a4bdc1fa51b7831da0980bc64092"`
[INFO] [stdout] e083ffb8c15616380a379c4c103cd5dff2f3a4bdc1fa51b7831da0980bc64092