[INFO] updating cached repository adeng-wc/RustDemo
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/adeng-wc/RustDemo
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/adeng-wc/RustDemo" "work/ex/beta-1.38-1/sources/1.37.0/gh/adeng-wc/RustDemo"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/adeng-wc/RustDemo'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/adeng-wc/RustDemo" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/adeng-wc/RustDemo"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/adeng-wc/RustDemo'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 1fb4afccce3204cc0baea65af62ed4e69c620302
[INFO] sha for GitHub repo adeng-wc/RustDemo: 1fb4afccce3204cc0baea65af62ed4e69c620302
[INFO] validating manifest of adeng-wc/RustDemo 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 adeng-wc/RustDemo 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 adeng-wc/RustDemo
[INFO] finished frobbing adeng-wc/RustDemo
[INFO] frobbed toml for adeng-wc/RustDemo written to work/ex/beta-1.38-1/sources/1.37.0/gh/adeng-wc/RustDemo/Cargo.toml
[INFO] started frobbing adeng-wc/RustDemo
[INFO] finished frobbing adeng-wc/RustDemo
[INFO] frobbed toml for adeng-wc/RustDemo written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/adeng-wc/RustDemo/Cargo.toml
[INFO] crate adeng-wc/RustDemo 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 adeng-wc/RustDemo against beta-2019-08-13 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/adeng-wc/RustDemo:/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-2019-08-13" "build" "--frozen"`
[INFO] [stdout] 74d12ed9b51d8555352a8e0ac0cdd0b50720c2e12d05ed2e5702686adfcd4735
[INFO] running `"docker" "start" "-a" "74d12ed9b51d8555352a8e0ac0cdd0b50720c2e12d05ed2e5702686adfcd4735"`
[INFO] [stderr]    Compiling RustDemo v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: crate `RustDemo` should have a snake case name
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr]   = help: convert the identifier to snake case: `rust_demo`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.60s
[INFO] running `"docker" "inspect" "74d12ed9b51d8555352a8e0ac0cdd0b50720c2e12d05ed2e5702686adfcd4735"`
[INFO] running `"docker" "rm" "-f" "74d12ed9b51d8555352a8e0ac0cdd0b50720c2e12d05ed2e5702686adfcd4735"`
[INFO] [stdout] 74d12ed9b51d8555352a8e0ac0cdd0b50720c2e12d05ed2e5702686adfcd4735
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/adeng-wc/RustDemo:/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-2019-08-13" "test" "--frozen" "--no-run"`
[INFO] [stdout] 599e0d561b68ae72eb4483932445164adfb68f4cb4983a51c2adb64522c41c66
[INFO] running `"docker" "start" "-a" "599e0d561b68ae72eb4483932445164adfb68f4cb4983a51c2adb64522c41c66"`
[INFO] [stderr]    Compiling RustDemo v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: crate `RustDemo` should have a snake case name
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr]   = help: convert the identifier to snake case: `rust_demo`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.60s
[INFO] running `"docker" "inspect" "599e0d561b68ae72eb4483932445164adfb68f4cb4983a51c2adb64522c41c66"`
[INFO] running `"docker" "rm" "-f" "599e0d561b68ae72eb4483932445164adfb68f4cb4983a51c2adb64522c41c66"`
[INFO] [stdout] 599e0d561b68ae72eb4483932445164adfb68f4cb4983a51c2adb64522c41c66
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/adeng-wc/RustDemo:/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-2019-08-13" "test" "--frozen"`
[INFO] [stdout] b4ef31a096f96289fdc048c72cc8be3e0bf498f4566a4a86380119e5bb835bb3
[INFO] running `"docker" "start" "-a" "b4ef31a096f96289fdc048c72cc8be3e0bf498f4566a4a86380119e5bb835bb3"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/RustDemo-663175b3ee9e7779
[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" "b4ef31a096f96289fdc048c72cc8be3e0bf498f4566a4a86380119e5bb835bb3"`
[INFO] running `"docker" "rm" "-f" "b4ef31a096f96289fdc048c72cc8be3e0bf498f4566a4a86380119e5bb835bb3"`
[INFO] [stdout] b4ef31a096f96289fdc048c72cc8be3e0bf498f4566a4a86380119e5bb835bb3