[INFO] updating cached repository Dacode45/letters
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/Dacode45/letters
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/Dacode45/letters" "work/ex/beta-1.37-6/sources/1.36.0/gh/Dacode45/letters"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/Dacode45/letters'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/Dacode45/letters" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/Dacode45/letters"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/Dacode45/letters'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 6036a0ce9141d235a357cb14e0cbbe5f5cf1f60c
[INFO] sha for GitHub repo Dacode45/letters: 6036a0ce9141d235a357cb14e0cbbe5f5cf1f60c
[INFO] validating manifest of Dacode45/letters 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 Dacode45/letters 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 Dacode45/letters
[INFO] finished frobbing Dacode45/letters
[INFO] frobbed toml for Dacode45/letters written to work/ex/beta-1.37-6/sources/1.36.0/gh/Dacode45/letters/Cargo.toml
[INFO] started frobbing Dacode45/letters
[INFO] finished frobbing Dacode45/letters
[INFO] frobbed toml for Dacode45/letters written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/Dacode45/letters/Cargo.toml
[INFO] crate Dacode45/letters 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 Dacode45/letters 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-5/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/Dacode45/letters:/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] c7ce74f12641af2029d4304f33782f11eddd051f49113ee89fd9ee0a42f3b3d1
[INFO] running `"docker" "start" "-a" "c7ce74f12641af2029d4304f33782f11eddd051f49113ee89fd9ee0a42f3b3d1"`
[INFO] [stderr]    Compiling letters v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.16s
[INFO] running `"docker" "inspect" "c7ce74f12641af2029d4304f33782f11eddd051f49113ee89fd9ee0a42f3b3d1"`
[INFO] running `"docker" "rm" "-f" "c7ce74f12641af2029d4304f33782f11eddd051f49113ee89fd9ee0a42f3b3d1"`
[INFO] [stdout] c7ce74f12641af2029d4304f33782f11eddd051f49113ee89fd9ee0a42f3b3d1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-5/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/Dacode45/letters:/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] 562863cd951120e8b29948ac723a74f82d17cdca5780d9939d4f630137190e9e
[INFO] running `"docker" "start" "-a" "562863cd951120e8b29948ac723a74f82d17cdca5780d9939d4f630137190e9e"`
[INFO] [stderr]    Compiling letters v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.56s
[INFO] running `"docker" "inspect" "562863cd951120e8b29948ac723a74f82d17cdca5780d9939d4f630137190e9e"`
[INFO] running `"docker" "rm" "-f" "562863cd951120e8b29948ac723a74f82d17cdca5780d9939d4f630137190e9e"`
[INFO] [stdout] 562863cd951120e8b29948ac723a74f82d17cdca5780d9939d4f630137190e9e
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-5/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/Dacode45/letters:/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] c0911ee73f454353b1c72c6c5376b5a3b7f09e73b1d33710bd511f89505da34e
[INFO] running `"docker" "start" "-a" "c0911ee73f454353b1c72c6c5376b5a3b7f09e73b1d33710bd511f89505da34e"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/letters-a99e3e58710487cb
[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" "c0911ee73f454353b1c72c6c5376b5a3b7f09e73b1d33710bd511f89505da34e"`
[INFO] running `"docker" "rm" "-f" "c0911ee73f454353b1c72c6c5376b5a3b7f09e73b1d33710bd511f89505da34e"`
[INFO] [stdout] c0911ee73f454353b1c72c6c5376b5a3b7f09e73b1d33710bd511f89505da34e