[INFO] updating cached repository dahateb/rust-spo-challenge
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/dahateb/rust-spo-challenge
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/dahateb/rust-spo-challenge" "work/ex/beta-1.38-1/sources/1.37.0/gh/dahateb/rust-spo-challenge"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/dahateb/rust-spo-challenge'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/dahateb/rust-spo-challenge" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/dahateb/rust-spo-challenge"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/dahateb/rust-spo-challenge'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 4f2302e57a0d8434bd3f8ce81c64c8b9880f6de6
[INFO] sha for GitHub repo dahateb/rust-spo-challenge: 4f2302e57a0d8434bd3f8ce81c64c8b9880f6de6
[INFO] validating manifest of dahateb/rust-spo-challenge 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 dahateb/rust-spo-challenge 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 dahateb/rust-spo-challenge
[INFO] finished frobbing dahateb/rust-spo-challenge
[INFO] frobbed toml for dahateb/rust-spo-challenge written to work/ex/beta-1.38-1/sources/1.37.0/gh/dahateb/rust-spo-challenge/Cargo.toml
[INFO] started frobbing dahateb/rust-spo-challenge
[INFO] finished frobbing dahateb/rust-spo-challenge
[INFO] frobbed toml for dahateb/rust-spo-challenge written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/dahateb/rust-spo-challenge/Cargo.toml
[INFO] crate dahateb/rust-spo-challenge 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 dahateb/rust-spo-challenge 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-3/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/dahateb/rust-spo-challenge:/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] 2b6e7c7df43d196fa2fbdc7c3b8fd5bec2652fd976e4f82b6eaf879514cbfafe
[INFO] running `"docker" "start" "-a" "2b6e7c7df43d196fa2fbdc7c3b8fd5bec2652fd976e4f82b6eaf879514cbfafe"`
[INFO] [stderr]    Compiling serde_json v1.0.27
[INFO] [stderr]    Compiling serde_derive v1.0.79
[INFO] [stderr]    Compiling rust-coding-challenge v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 18.65s
[INFO] running `"docker" "inspect" "2b6e7c7df43d196fa2fbdc7c3b8fd5bec2652fd976e4f82b6eaf879514cbfafe"`
[INFO] running `"docker" "rm" "-f" "2b6e7c7df43d196fa2fbdc7c3b8fd5bec2652fd976e4f82b6eaf879514cbfafe"`
[INFO] [stdout] 2b6e7c7df43d196fa2fbdc7c3b8fd5bec2652fd976e4f82b6eaf879514cbfafe
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/dahateb/rust-spo-challenge:/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] 9c14f5bdec0a1ae544138cbdac9d7436804ee811baf0607b5a710783d677fa58
[INFO] running `"docker" "start" "-a" "9c14f5bdec0a1ae544138cbdac9d7436804ee811baf0607b5a710783d677fa58"`
[INFO] [stderr]    Compiling rust-coding-challenge v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.98s
[INFO] running `"docker" "inspect" "9c14f5bdec0a1ae544138cbdac9d7436804ee811baf0607b5a710783d677fa58"`
[INFO] running `"docker" "rm" "-f" "9c14f5bdec0a1ae544138cbdac9d7436804ee811baf0607b5a710783d677fa58"`
[INFO] [stdout] 9c14f5bdec0a1ae544138cbdac9d7436804ee811baf0607b5a710783d677fa58
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/dahateb/rust-spo-challenge:/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] 7051d0b0bb246679486eba439554839bf226f39ef2b644e75f96231ba7bdb860
[INFO] running `"docker" "start" "-a" "7051d0b0bb246679486eba439554839bf226f39ef2b644e75f96231ba7bdb860"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/rust_coding_challenge-d91c4527a7313d02
[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" "7051d0b0bb246679486eba439554839bf226f39ef2b644e75f96231ba7bdb860"`
[INFO] running `"docker" "rm" "-f" "7051d0b0bb246679486eba439554839bf226f39ef2b644e75f96231ba7bdb860"`
[INFO] [stdout] 7051d0b0bb246679486eba439554839bf226f39ef2b644e75f96231ba7bdb860