[INFO] updating cached repository hamadu/competitive-rust
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/hamadu/competitive-rust
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/hamadu/competitive-rust" "work/ex/beta-1.38-1/sources/1.37.0/gh/hamadu/competitive-rust"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/hamadu/competitive-rust'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/hamadu/competitive-rust" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/hamadu/competitive-rust"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/hamadu/competitive-rust'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 4e5a42a3cec9c33cfb642a59c4d9e4c80bf03d55
[INFO] sha for GitHub repo hamadu/competitive-rust: 4e5a42a3cec9c33cfb642a59c4d9e4c80bf03d55
[INFO] validating manifest of hamadu/competitive-rust 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 hamadu/competitive-rust 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 hamadu/competitive-rust
[INFO] finished frobbing hamadu/competitive-rust
[INFO] frobbed toml for hamadu/competitive-rust written to work/ex/beta-1.38-1/sources/1.37.0/gh/hamadu/competitive-rust/Cargo.toml
[INFO] started frobbing hamadu/competitive-rust
[INFO] finished frobbing hamadu/competitive-rust
[INFO] frobbed toml for hamadu/competitive-rust written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/hamadu/competitive-rust/Cargo.toml
[INFO] crate hamadu/competitive-rust 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 hamadu/competitive-rust 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-2/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/hamadu/competitive-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" "+beta-2019-08-13" "build" "--frozen"`
[INFO] [stdout] 5a6eb99fa892d7d9d84f0208f04dc48d328be81cfefa4a0d25bac13cee6ee227
[INFO] running `"docker" "start" "-a" "5a6eb99fa892d7d9d84f0208f04dc48d328be81cfefa4a0d25bac13cee6ee227"`
[INFO] [stderr]    Compiling competitive-rust v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.32s
[INFO] running `"docker" "inspect" "5a6eb99fa892d7d9d84f0208f04dc48d328be81cfefa4a0d25bac13cee6ee227"`
[INFO] running `"docker" "rm" "-f" "5a6eb99fa892d7d9d84f0208f04dc48d328be81cfefa4a0d25bac13cee6ee227"`
[INFO] [stdout] 5a6eb99fa892d7d9d84f0208f04dc48d328be81cfefa4a0d25bac13cee6ee227
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/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/hamadu/competitive-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" "+beta-2019-08-13" "test" "--frozen" "--no-run"`
[INFO] [stdout] aaad571f49984f248b2180029c0e6292b86c91c4991bed8d1420d68da679b020
[INFO] running `"docker" "start" "-a" "aaad571f49984f248b2180029c0e6292b86c91c4991bed8d1420d68da679b020"`
[INFO] [stderr]    Compiling competitive-rust v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.40s
[INFO] running `"docker" "inspect" "aaad571f49984f248b2180029c0e6292b86c91c4991bed8d1420d68da679b020"`
[INFO] running `"docker" "rm" "-f" "aaad571f49984f248b2180029c0e6292b86c91c4991bed8d1420d68da679b020"`
[INFO] [stdout] aaad571f49984f248b2180029c0e6292b86c91c4991bed8d1420d68da679b020
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/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/hamadu/competitive-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" "+beta-2019-08-13" "test" "--frozen"`
[INFO] [stdout] 0a3e95cabf51fb7d784d92c784f8f10e2fd93ee1af3252511656c3a6159ac4ef
[INFO] running `"docker" "start" "-a" "0a3e95cabf51fb7d784d92c784f8f10e2fd93ee1af3252511656c3a6159ac4ef"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/competitive_rust-cdfa936f8aee77d8
[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" "0a3e95cabf51fb7d784d92c784f8f10e2fd93ee1af3252511656c3a6159ac4ef"`
[INFO] running `"docker" "rm" "-f" "0a3e95cabf51fb7d784d92c784f8f10e2fd93ee1af3252511656c3a6159ac4ef"`
[INFO] [stdout] 0a3e95cabf51fb7d784d92c784f8f10e2fd93ee1af3252511656c3a6159ac4ef