[INFO] updating cached repository tblancbeyne/huffman-rs
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/tblancbeyne/huffman-rs
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/tblancbeyne/huffman-rs" "work/ex/beta-1.38-1/sources/1.37.0/gh/tblancbeyne/huffman-rs"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/tblancbeyne/huffman-rs'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/tblancbeyne/huffman-rs" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/tblancbeyne/huffman-rs"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/tblancbeyne/huffman-rs'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 7565ba23e79938f5ea85e40c6a7cc423a11804d0
[INFO] sha for GitHub repo tblancbeyne/huffman-rs: 7565ba23e79938f5ea85e40c6a7cc423a11804d0
[INFO] validating manifest of tblancbeyne/huffman-rs 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 tblancbeyne/huffman-rs 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 tblancbeyne/huffman-rs
[INFO] finished frobbing tblancbeyne/huffman-rs
[INFO] frobbed toml for tblancbeyne/huffman-rs written to work/ex/beta-1.38-1/sources/1.37.0/gh/tblancbeyne/huffman-rs/Cargo.toml
[INFO] started frobbing tblancbeyne/huffman-rs
[INFO] finished frobbing tblancbeyne/huffman-rs
[INFO] frobbed toml for tblancbeyne/huffman-rs written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/tblancbeyne/huffman-rs/Cargo.toml
[INFO] crate tblancbeyne/huffman-rs 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 tblancbeyne/huffman-rs 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-0/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/tblancbeyne/huffman-rs:/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] 2a3613553d68380e23398d3480b81ff51dc416a26df2c083a7fac76c3c8c1d57
[INFO] running `"docker" "start" "-a" "2a3613553d68380e23398d3480b81ff51dc416a26df2c083a7fac76c3c8c1d57"`
[INFO] [stderr]    Compiling huffman-rs v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.30s
[INFO] running `"docker" "inspect" "2a3613553d68380e23398d3480b81ff51dc416a26df2c083a7fac76c3c8c1d57"`
[INFO] running `"docker" "rm" "-f" "2a3613553d68380e23398d3480b81ff51dc416a26df2c083a7fac76c3c8c1d57"`
[INFO] [stdout] 2a3613553d68380e23398d3480b81ff51dc416a26df2c083a7fac76c3c8c1d57
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/tblancbeyne/huffman-rs:/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] 3f3545295ebe1d9f8d913944a51df5dfb2d8fd2924bdabad6ff2de924b385d61
[INFO] running `"docker" "start" "-a" "3f3545295ebe1d9f8d913944a51df5dfb2d8fd2924bdabad6ff2de924b385d61"`
[INFO] [stderr]    Compiling huffman-rs v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.97s
[INFO] running `"docker" "inspect" "3f3545295ebe1d9f8d913944a51df5dfb2d8fd2924bdabad6ff2de924b385d61"`
[INFO] running `"docker" "rm" "-f" "3f3545295ebe1d9f8d913944a51df5dfb2d8fd2924bdabad6ff2de924b385d61"`
[INFO] [stdout] 3f3545295ebe1d9f8d913944a51df5dfb2d8fd2924bdabad6ff2de924b385d61
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/tblancbeyne/huffman-rs:/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] 8aac24e2b3a43ff9fac6c17c958686f699b7800c7aba918ef61fdf53f0ea4c7e
[INFO] running `"docker" "start" "-a" "8aac24e2b3a43ff9fac6c17c958686f699b7800c7aba918ef61fdf53f0ea4c7e"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/huffman_rs-1b15ca7b56240796
[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] [stderr]      Running /opt/crater/target/debug/deps/huffman_rs-71dc220c0d563f05
[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] [stderr]    Doc-tests huffman-rs
[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" "8aac24e2b3a43ff9fac6c17c958686f699b7800c7aba918ef61fdf53f0ea4c7e"`
[INFO] running `"docker" "rm" "-f" "8aac24e2b3a43ff9fac6c17c958686f699b7800c7aba918ef61fdf53f0ea4c7e"`
[INFO] [stdout] 8aac24e2b3a43ff9fac6c17c958686f699b7800c7aba918ef61fdf53f0ea4c7e