[INFO] updating cached repository elewis787/fun-with-rust
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/elewis787/fun-with-rust
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/elewis787/fun-with-rust" "work/ex/beta-1.38-1/sources/1.37.0/gh/elewis787/fun-with-rust"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/elewis787/fun-with-rust'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/elewis787/fun-with-rust" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/elewis787/fun-with-rust"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/elewis787/fun-with-rust'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 4c3e3e592feb522f0d2c9bb04564833b09cdb9ee
[INFO] sha for GitHub repo elewis787/fun-with-rust: 4c3e3e592feb522f0d2c9bb04564833b09cdb9ee
[INFO] validating manifest of elewis787/fun-with-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 elewis787/fun-with-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 elewis787/fun-with-rust
[INFO] finished frobbing elewis787/fun-with-rust
[INFO] frobbed toml for elewis787/fun-with-rust written to work/ex/beta-1.38-1/sources/1.37.0/gh/elewis787/fun-with-rust/Cargo.toml
[INFO] started frobbing elewis787/fun-with-rust
[INFO] finished frobbing elewis787/fun-with-rust
[INFO] frobbed toml for elewis787/fun-with-rust written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/elewis787/fun-with-rust/Cargo.toml
[INFO] crate elewis787/fun-with-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 elewis787/fun-with-rust 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/elewis787/fun-with-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" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] f22dba479097fb978e7889df8f7e6058ed395dbb40216cb224786b784c28368c
[INFO] running `"docker" "start" "-a" "f22dba479097fb978e7889df8f7e6058ed395dbb40216cb224786b784c28368c"`
[INFO] [stderr]    Compiling rand v0.3.22
[INFO] [stderr]    Compiling fun_with_rust v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.02s
[INFO] running `"docker" "inspect" "f22dba479097fb978e7889df8f7e6058ed395dbb40216cb224786b784c28368c"`
[INFO] running `"docker" "rm" "-f" "f22dba479097fb978e7889df8f7e6058ed395dbb40216cb224786b784c28368c"`
[INFO] [stdout] f22dba479097fb978e7889df8f7e6058ed395dbb40216cb224786b784c28368c
[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/elewis787/fun-with-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" "+1.37.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] d42e9b28688720dbcc6095cd4d624fa196ffe42a785327f0d87936cc059624dc
[INFO] running `"docker" "start" "-a" "d42e9b28688720dbcc6095cd4d624fa196ffe42a785327f0d87936cc059624dc"`
[INFO] [stderr]    Compiling fun_with_rust v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.65s
[INFO] running `"docker" "inspect" "d42e9b28688720dbcc6095cd4d624fa196ffe42a785327f0d87936cc059624dc"`
[INFO] running `"docker" "rm" "-f" "d42e9b28688720dbcc6095cd4d624fa196ffe42a785327f0d87936cc059624dc"`
[INFO] [stdout] d42e9b28688720dbcc6095cd4d624fa196ffe42a785327f0d87936cc059624dc
[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/elewis787/fun-with-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" "+1.37.0" "test" "--frozen"`
[INFO] [stdout] 38c5300fe40acda7f352bbc7a8e49b7abe5ba1b4bca8e4bc58e6ac3b745bb058
[INFO] running `"docker" "start" "-a" "38c5300fe40acda7f352bbc7a8e49b7abe5ba1b4bca8e4bc58e6ac3b745bb058"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/fun_with_rust-f3eaac16350a6f71
[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" "38c5300fe40acda7f352bbc7a8e49b7abe5ba1b4bca8e4bc58e6ac3b745bb058"`
[INFO] running `"docker" "rm" "-f" "38c5300fe40acda7f352bbc7a8e49b7abe5ba1b4bca8e4bc58e6ac3b745bb058"`
[INFO] [stdout] 38c5300fe40acda7f352bbc7a8e49b7abe5ba1b4bca8e4bc58e6ac3b745bb058