[INFO] updating cached repository howeih/Day-14-Huffman-codes
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/howeih/Day-14-Huffman-codes
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/howeih/Day-14-Huffman-codes" "work/ex/beta-1.38-1/sources/1.37.0/gh/howeih/Day-14-Huffman-codes"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/howeih/Day-14-Huffman-codes'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/howeih/Day-14-Huffman-codes" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/howeih/Day-14-Huffman-codes"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/howeih/Day-14-Huffman-codes'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 65a14d8fffeb7cd8a8ef5c8b78f23847140c1d84
[INFO] sha for GitHub repo howeih/Day-14-Huffman-codes: 65a14d8fffeb7cd8a8ef5c8b78f23847140c1d84
[INFO] validating manifest of howeih/Day-14-Huffman-codes 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 howeih/Day-14-Huffman-codes 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 howeih/Day-14-Huffman-codes
[INFO] finished frobbing howeih/Day-14-Huffman-codes
[INFO] frobbed toml for howeih/Day-14-Huffman-codes written to work/ex/beta-1.38-1/sources/1.37.0/gh/howeih/Day-14-Huffman-codes/Cargo.toml
[INFO] started frobbing howeih/Day-14-Huffman-codes
[INFO] finished frobbing howeih/Day-14-Huffman-codes
[INFO] frobbed toml for howeih/Day-14-Huffman-codes written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/howeih/Day-14-Huffman-codes/Cargo.toml
[INFO] crate howeih/Day-14-Huffman-codes 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 howeih/Day-14-Huffman-codes against beta-2019-08-13 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/howeih/Day-14-Huffman-codes:/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" "+beta-2019-08-13" "build" "--frozen"`
[INFO] [stdout] d785652ae923a80b5dde03153013c52b42f05460c2f27ac422c2f2be7576f1c1
[INFO] running `"docker" "start" "-a" "d785652ae923a80b5dde03153013c52b42f05460c2f27ac422c2f2be7576f1c1"`
[INFO] [stderr]    Compiling huffman_codes v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.55s
[INFO] running `"docker" "inspect" "d785652ae923a80b5dde03153013c52b42f05460c2f27ac422c2f2be7576f1c1"`
[INFO] running `"docker" "rm" "-f" "d785652ae923a80b5dde03153013c52b42f05460c2f27ac422c2f2be7576f1c1"`
[INFO] [stdout] d785652ae923a80b5dde03153013c52b42f05460c2f27ac422c2f2be7576f1c1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/howeih/Day-14-Huffman-codes:/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" "+beta-2019-08-13" "test" "--frozen" "--no-run"`
[INFO] [stdout] 007a8c4c900f78c381ad875581510bd0f56d5e85263b62c0abd22d6dfed5ea79
[INFO] running `"docker" "start" "-a" "007a8c4c900f78c381ad875581510bd0f56d5e85263b62c0abd22d6dfed5ea79"`
[INFO] [stderr]    Compiling huffman_codes v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.39s
[INFO] running `"docker" "inspect" "007a8c4c900f78c381ad875581510bd0f56d5e85263b62c0abd22d6dfed5ea79"`
[INFO] running `"docker" "rm" "-f" "007a8c4c900f78c381ad875581510bd0f56d5e85263b62c0abd22d6dfed5ea79"`
[INFO] [stdout] 007a8c4c900f78c381ad875581510bd0f56d5e85263b62c0abd22d6dfed5ea79
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/howeih/Day-14-Huffman-codes:/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" "+beta-2019-08-13" "test" "--frozen"`
[INFO] [stdout] 1213a895f8cdc1d90492e27b611745d4616331c9077711eeb72eccfc41fba0bc
[INFO] running `"docker" "start" "-a" "1213a895f8cdc1d90492e27b611745d4616331c9077711eeb72eccfc41fba0bc"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.00s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/huffman_codes-33583b1969d3a57a
[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" "1213a895f8cdc1d90492e27b611745d4616331c9077711eeb72eccfc41fba0bc"`
[INFO] running `"docker" "rm" "-f" "1213a895f8cdc1d90492e27b611745d4616331c9077711eeb72eccfc41fba0bc"`
[INFO] [stdout] 1213a895f8cdc1d90492e27b611745d4616331c9077711eeb72eccfc41fba0bc