[INFO] updating cached repository thara/rust_gacha_sample
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/thara/rust_gacha_sample
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/thara/rust_gacha_sample" "work/ex/beta-1.37-6/sources/1.36.0/gh/thara/rust_gacha_sample"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/thara/rust_gacha_sample'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/thara/rust_gacha_sample" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/thara/rust_gacha_sample"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/thara/rust_gacha_sample'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 85720c4acf74f6014932ec9d3c291d02592a0ffd
[INFO] sha for GitHub repo thara/rust_gacha_sample: 85720c4acf74f6014932ec9d3c291d02592a0ffd
[INFO] validating manifest of thara/rust_gacha_sample 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 thara/rust_gacha_sample 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 thara/rust_gacha_sample
[INFO] finished frobbing thara/rust_gacha_sample
[INFO] frobbed toml for thara/rust_gacha_sample written to work/ex/beta-1.37-6/sources/1.36.0/gh/thara/rust_gacha_sample/Cargo.toml
[INFO] started frobbing thara/rust_gacha_sample
[INFO] finished frobbing thara/rust_gacha_sample
[INFO] frobbed toml for thara/rust_gacha_sample written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/thara/rust_gacha_sample/Cargo.toml
[INFO] crate thara/rust_gacha_sample 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] error: the lock file /mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/thara/rust_gacha_sample/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] the lockfile is outdated, regenerating it
[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 thara/rust_gacha_sample against beta-2019-07-23 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-1/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/thara/rust_gacha_sample:/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" "+beta-2019-07-23" "build" "--frozen"`
[INFO] [stdout] 0f0824d4dedbfa61e486a4e663cb8cb548220f9d2bdb00d0976c1ac0e6b28c02
[INFO] running `"docker" "start" "-a" "0f0824d4dedbfa61e486a4e663cb8cb548220f9d2bdb00d0976c1ac0e6b28c02"`
[INFO] [stderr]    Compiling rust_gacha_sample v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.20s
[INFO] running `"docker" "inspect" "0f0824d4dedbfa61e486a4e663cb8cb548220f9d2bdb00d0976c1ac0e6b28c02"`
[INFO] running `"docker" "rm" "-f" "0f0824d4dedbfa61e486a4e663cb8cb548220f9d2bdb00d0976c1ac0e6b28c02"`
[INFO] [stdout] 0f0824d4dedbfa61e486a4e663cb8cb548220f9d2bdb00d0976c1ac0e6b28c02
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-1/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/thara/rust_gacha_sample:/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" "+beta-2019-07-23" "test" "--frozen" "--no-run"`
[INFO] [stdout] bf8456c7a9fb6b514d6a621da91a42ac967b51c0a0802c99cbb0e9c5922d7d70
[INFO] running `"docker" "start" "-a" "bf8456c7a9fb6b514d6a621da91a42ac967b51c0a0802c99cbb0e9c5922d7d70"`
[INFO] [stderr]    Compiling rust_gacha_sample v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.78s
[INFO] running `"docker" "inspect" "bf8456c7a9fb6b514d6a621da91a42ac967b51c0a0802c99cbb0e9c5922d7d70"`
[INFO] running `"docker" "rm" "-f" "bf8456c7a9fb6b514d6a621da91a42ac967b51c0a0802c99cbb0e9c5922d7d70"`
[INFO] [stdout] bf8456c7a9fb6b514d6a621da91a42ac967b51c0a0802c99cbb0e9c5922d7d70
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-1/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/thara/rust_gacha_sample:/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" "+beta-2019-07-23" "test" "--frozen"`
[INFO] [stdout] 8b2a03d5fda875fea13f41db3c17c643c1436c1873267c84b31f06652a340cd5
[INFO] running `"docker" "start" "-a" "8b2a03d5fda875fea13f41db3c17c643c1436c1873267c84b31f06652a340cd5"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/rust_gacha_sample-0ea81ff52182dcc0
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test aliasmethod::it_works ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/crater/target/debug/deps/rust_gacha_sample-69706a8ea9b6e5c6
[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]    Doc-tests rust_gacha_sample
[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" "8b2a03d5fda875fea13f41db3c17c643c1436c1873267c84b31f06652a340cd5"`
[INFO] running `"docker" "rm" "-f" "8b2a03d5fda875fea13f41db3c17c643c1436c1873267c84b31f06652a340cd5"`
[INFO] [stdout] 8b2a03d5fda875fea13f41db3c17c643c1436c1873267c84b31f06652a340cd5