[INFO] updating cached repository crisvergara/letter-count
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/crisvergara/letter-count
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/crisvergara/letter-count" "work/ex/beta-1.38-1/sources/1.37.0/gh/crisvergara/letter-count"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/crisvergara/letter-count'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/crisvergara/letter-count" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/crisvergara/letter-count"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/crisvergara/letter-count'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] e097f88dd864d02c9cc044981fa9004f971c02fd
[INFO] sha for GitHub repo crisvergara/letter-count: e097f88dd864d02c9cc044981fa9004f971c02fd
[INFO] validating manifest of crisvergara/letter-count 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 crisvergara/letter-count 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 crisvergara/letter-count
[INFO] finished frobbing crisvergara/letter-count
[INFO] frobbed toml for crisvergara/letter-count written to work/ex/beta-1.38-1/sources/1.37.0/gh/crisvergara/letter-count/Cargo.toml
[INFO] started frobbing crisvergara/letter-count
[INFO] finished frobbing crisvergara/letter-count
[INFO] frobbed toml for crisvergara/letter-count written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/crisvergara/letter-count/Cargo.toml
[INFO] crate crisvergara/letter-count 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 crisvergara/letter-count 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/crisvergara/letter-count:/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] 6e012e04eb9c7b97f57f802f5c58b9353f81564b1239c09a5ee09a34058a4ba1
[INFO] running `"docker" "start" "-a" "6e012e04eb9c7b97f57f802f5c58b9353f81564b1239c09a5ee09a34058a4ba1"`
[INFO] [stderr]    Compiling letter-count v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.72s
[INFO] running `"docker" "inspect" "6e012e04eb9c7b97f57f802f5c58b9353f81564b1239c09a5ee09a34058a4ba1"`
[INFO] running `"docker" "rm" "-f" "6e012e04eb9c7b97f57f802f5c58b9353f81564b1239c09a5ee09a34058a4ba1"`
[INFO] [stdout] 6e012e04eb9c7b97f57f802f5c58b9353f81564b1239c09a5ee09a34058a4ba1
[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/crisvergara/letter-count:/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] 215a027a4d0ba607d88463da745a25b400b59dfccf9c85796edbde469d5d85a7
[INFO] running `"docker" "start" "-a" "215a027a4d0ba607d88463da745a25b400b59dfccf9c85796edbde469d5d85a7"`
[INFO] [stderr]    Compiling letter-count v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.38s
[INFO] running `"docker" "inspect" "215a027a4d0ba607d88463da745a25b400b59dfccf9c85796edbde469d5d85a7"`
[INFO] running `"docker" "rm" "-f" "215a027a4d0ba607d88463da745a25b400b59dfccf9c85796edbde469d5d85a7"`
[INFO] [stdout] 215a027a4d0ba607d88463da745a25b400b59dfccf9c85796edbde469d5d85a7
[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/crisvergara/letter-count:/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] a818576c5b5f8c484f47c0b9a090f4fe190d0e143e7dc87a3af2157c41023164
[INFO] running `"docker" "start" "-a" "a818576c5b5f8c484f47c0b9a090f4fe190d0e143e7dc87a3af2157c41023164"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.00s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/letter_count-3b214ffafdbb0f86
[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" "a818576c5b5f8c484f47c0b9a090f4fe190d0e143e7dc87a3af2157c41023164"`
[INFO] running `"docker" "rm" "-f" "a818576c5b5f8c484f47c0b9a090f4fe190d0e143e7dc87a3af2157c41023164"`
[INFO] [stdout] a818576c5b5f8c484f47c0b9a090f4fe190d0e143e7dc87a3af2157c41023164