[INFO] updating cached repository YoshiyukiKato/rust-study
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/YoshiyukiKato/rust-study
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/YoshiyukiKato/rust-study" "work/ex/beta-1.38-1/sources/1.37.0/gh/YoshiyukiKato/rust-study"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/YoshiyukiKato/rust-study'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/YoshiyukiKato/rust-study" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/YoshiyukiKato/rust-study"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/YoshiyukiKato/rust-study'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 0feca7bb446c3057ebb63248390989234d3a41f0
[INFO] sha for GitHub repo YoshiyukiKato/rust-study: 0feca7bb446c3057ebb63248390989234d3a41f0
[INFO] validating manifest of YoshiyukiKato/rust-study on toolchain 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of YoshiyukiKato/rust-study on toolchain beta-2019-08-13
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing YoshiyukiKato/rust-study
[INFO] finished frobbing YoshiyukiKato/rust-study
[INFO] frobbed toml for YoshiyukiKato/rust-study written to work/ex/beta-1.38-1/sources/1.37.0/gh/YoshiyukiKato/rust-study/Cargo.toml
[INFO] started frobbing YoshiyukiKato/rust-study
[INFO] finished frobbing YoshiyukiKato/rust-study
[INFO] frobbed toml for YoshiyukiKato/rust-study written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/YoshiyukiKato/rust-study/Cargo.toml
[INFO] crate YoshiyukiKato/rust-study already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing YoshiyukiKato/rust-study against 1.37.0 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/YoshiyukiKato/rust-study:/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" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] 5bc2c1d8080db61d4d8d297a8383071cbf8ed179849c7cde1b20ba91bc4e32ab
[INFO] running `"docker" "start" "-a" "5bc2c1d8080db61d4d8d297a8383071cbf8ed179849c7cde1b20ba91bc4e32ab"`
[INFO] [stderr]    Compiling cc v1.0.30
[INFO] [stderr]    Compiling smallvec v0.4.5
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling backtrace-sys v0.1.28
[INFO] [stderr]    Compiling backtrace v0.3.14
[INFO] [stderr]    Compiling error-chain v0.10.0
[INFO] [stderr]    Compiling ferris-says v0.1.1
[INFO] [stderr]    Compiling rust-study v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.25s
[INFO] running `"docker" "inspect" "5bc2c1d8080db61d4d8d297a8383071cbf8ed179849c7cde1b20ba91bc4e32ab"`
[INFO] running `"docker" "rm" "-f" "5bc2c1d8080db61d4d8d297a8383071cbf8ed179849c7cde1b20ba91bc4e32ab"`
[INFO] [stdout] 5bc2c1d8080db61d4d8d297a8383071cbf8ed179849c7cde1b20ba91bc4e32ab
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/YoshiyukiKato/rust-study:/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" "+1.37.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 7107bccf0901a21cec29d289e58f8a51960c6410e35f24f6e644f5ff015040fc
[INFO] running `"docker" "start" "-a" "7107bccf0901a21cec29d289e58f8a51960c6410e35f24f6e644f5ff015040fc"`
[INFO] [stderr]    Compiling rust-study v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.58s
[INFO] running `"docker" "inspect" "7107bccf0901a21cec29d289e58f8a51960c6410e35f24f6e644f5ff015040fc"`
[INFO] running `"docker" "rm" "-f" "7107bccf0901a21cec29d289e58f8a51960c6410e35f24f6e644f5ff015040fc"`
[INFO] [stdout] 7107bccf0901a21cec29d289e58f8a51960c6410e35f24f6e644f5ff015040fc
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/YoshiyukiKato/rust-study:/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" "+1.37.0" "test" "--frozen"`
[INFO] [stdout] a6b90ae99ae1177304892f5d84d6a2db0d5bd8a9d8e1247a5683ca2f874b1ac7
[INFO] running `"docker" "start" "-a" "a6b90ae99ae1177304892f5d84d6a2db0d5bd8a9d8e1247a5683ca2f874b1ac7"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/rust_study-9ded0bdf1adbee83
[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" "a6b90ae99ae1177304892f5d84d6a2db0d5bd8a9d8e1247a5683ca2f874b1ac7"`
[INFO] running `"docker" "rm" "-f" "a6b90ae99ae1177304892f5d84d6a2db0d5bd8a9d8e1247a5683ca2f874b1ac7"`
[INFO] [stdout] a6b90ae99ae1177304892f5d84d6a2db0d5bd8a9d8e1247a5683ca2f874b1ac7