[INFO] updating cached repository christian-blades-cb/wordcount-from-scratch
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/christian-blades-cb/wordcount-from-scratch
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/christian-blades-cb/wordcount-from-scratch" "work/ex/beta-1.37-6/sources/1.36.0/gh/christian-blades-cb/wordcount-from-scratch"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/christian-blades-cb/wordcount-from-scratch'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/christian-blades-cb/wordcount-from-scratch" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/christian-blades-cb/wordcount-from-scratch"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/christian-blades-cb/wordcount-from-scratch'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] acf63a4eaa59d576e6664b8773a3cef0f4a0c0af
[INFO] sha for GitHub repo christian-blades-cb/wordcount-from-scratch: acf63a4eaa59d576e6664b8773a3cef0f4a0c0af
[INFO] validating manifest of christian-blades-cb/wordcount-from-scratch on toolchain 1.36.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of christian-blades-cb/wordcount-from-scratch on toolchain beta-2019-07-23
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing christian-blades-cb/wordcount-from-scratch
[INFO] finished frobbing christian-blades-cb/wordcount-from-scratch
[INFO] frobbed toml for christian-blades-cb/wordcount-from-scratch written to work/ex/beta-1.37-6/sources/1.36.0/gh/christian-blades-cb/wordcount-from-scratch/Cargo.toml
[INFO] started frobbing christian-blades-cb/wordcount-from-scratch
[INFO] finished frobbing christian-blades-cb/wordcount-from-scratch
[INFO] frobbed toml for christian-blades-cb/wordcount-from-scratch written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/christian-blades-cb/wordcount-from-scratch/Cargo.toml
[INFO] crate christian-blades-cb/wordcount-from-scratch already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing christian-blades-cb/wordcount-from-scratch against 1.36.0 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-4/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/christian-blades-cb/wordcount-from-scratch:/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" "+1.36.0" "build" "--frozen"`
[INFO] [stdout] 8a3f50f7fe5463fc3410ca048a5e46123eac99d30e8e8d2d912c8a26fe8136a3
[INFO] running `"docker" "start" "-a" "8a3f50f7fe5463fc3410ca048a5e46123eac99d30e8e8d2d912c8a26fe8136a3"`
[INFO] [stderr]    Compiling wordcount-from-scratch v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.72s
[INFO] running `"docker" "inspect" "8a3f50f7fe5463fc3410ca048a5e46123eac99d30e8e8d2d912c8a26fe8136a3"`
[INFO] running `"docker" "rm" "-f" "8a3f50f7fe5463fc3410ca048a5e46123eac99d30e8e8d2d912c8a26fe8136a3"`
[INFO] [stdout] 8a3f50f7fe5463fc3410ca048a5e46123eac99d30e8e8d2d912c8a26fe8136a3
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-4/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/christian-blades-cb/wordcount-from-scratch:/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" "+1.36.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 6810ec459379c09d4db4aa8dbcaa81cf005a74825b6fe58f9b41ab3141678b0d
[INFO] running `"docker" "start" "-a" "6810ec459379c09d4db4aa8dbcaa81cf005a74825b6fe58f9b41ab3141678b0d"`
[INFO] [stderr]    Compiling wordcount-from-scratch v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.54s
[INFO] running `"docker" "inspect" "6810ec459379c09d4db4aa8dbcaa81cf005a74825b6fe58f9b41ab3141678b0d"`
[INFO] running `"docker" "rm" "-f" "6810ec459379c09d4db4aa8dbcaa81cf005a74825b6fe58f9b41ab3141678b0d"`
[INFO] [stdout] 6810ec459379c09d4db4aa8dbcaa81cf005a74825b6fe58f9b41ab3141678b0d
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-4/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/christian-blades-cb/wordcount-from-scratch:/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" "+1.36.0" "test" "--frozen"`
[INFO] [stdout] 3a7cc804d8d7bf39c47c9805673f185f7f09b9a41fb39fa7caacca2a45283aaf
[INFO] running `"docker" "start" "-a" "3a7cc804d8d7bf39c47c9805673f185f7f09b9a41fb39fa7caacca2a45283aaf"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/wordcount_from_scratch-cf37f9289ea593b5
[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" "3a7cc804d8d7bf39c47c9805673f185f7f09b9a41fb39fa7caacca2a45283aaf"`
[INFO] running `"docker" "rm" "-f" "3a7cc804d8d7bf39c47c9805673f185f7f09b9a41fb39fa7caacca2a45283aaf"`
[INFO] [stdout] 3a7cc804d8d7bf39c47c9805673f185f7f09b9a41fb39fa7caacca2a45283aaf