[INFO] updating cached repository glugg23/huffman_coding
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/glugg23/huffman_coding
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/glugg23/huffman_coding" "work/ex/beta-1.38-1/sources/1.37.0/gh/glugg23/huffman_coding"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/glugg23/huffman_coding'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/glugg23/huffman_coding" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/glugg23/huffman_coding"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/glugg23/huffman_coding'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 180497c9b7f11292fe6688bd3cef40d24ace30c9
[INFO] sha for GitHub repo glugg23/huffman_coding: 180497c9b7f11292fe6688bd3cef40d24ace30c9
[INFO] validating manifest of glugg23/huffman_coding 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 glugg23/huffman_coding 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 glugg23/huffman_coding
[INFO] finished frobbing glugg23/huffman_coding
[INFO] frobbed toml for glugg23/huffman_coding written to work/ex/beta-1.38-1/sources/1.37.0/gh/glugg23/huffman_coding/Cargo.toml
[INFO] started frobbing glugg23/huffman_coding
[INFO] finished frobbing glugg23/huffman_coding
[INFO] frobbed toml for glugg23/huffman_coding written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/glugg23/huffman_coding/Cargo.toml
[INFO] crate glugg23/huffman_coding 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 glugg23/huffman_coding 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-5/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/glugg23/huffman_coding:/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] 058d968d28abfa69d0a38c16f968f7aa5489344cabb7905a75e7935f32ae759f
[INFO] running `"docker" "start" "-a" "058d968d28abfa69d0a38c16f968f7aa5489344cabb7905a75e7935f32ae759f"`
[INFO] [stderr]    Compiling bitvec v0.13.0
[INFO] [stderr]    Compiling serde_derive v1.0.92
[INFO] [stderr]    Compiling serde v1.0.92
[INFO] [stderr]    Compiling bincode v1.1.4
[INFO] [stderr]    Compiling huffman_coding v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 36.09s
[INFO] running `"docker" "inspect" "058d968d28abfa69d0a38c16f968f7aa5489344cabb7905a75e7935f32ae759f"`
[INFO] running `"docker" "rm" "-f" "058d968d28abfa69d0a38c16f968f7aa5489344cabb7905a75e7935f32ae759f"`
[INFO] [stdout] 058d968d28abfa69d0a38c16f968f7aa5489344cabb7905a75e7935f32ae759f
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-5/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/glugg23/huffman_coding:/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] 7564e6b5ceb99e864be3d0b552c096719d1bff034a942aeff61ce28d26b151aa
[INFO] running `"docker" "start" "-a" "7564e6b5ceb99e864be3d0b552c096719d1bff034a942aeff61ce28d26b151aa"`
[INFO] [stderr]    Compiling huffman_coding v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.66s
[INFO] running `"docker" "inspect" "7564e6b5ceb99e864be3d0b552c096719d1bff034a942aeff61ce28d26b151aa"`
[INFO] running `"docker" "rm" "-f" "7564e6b5ceb99e864be3d0b552c096719d1bff034a942aeff61ce28d26b151aa"`
[INFO] [stdout] 7564e6b5ceb99e864be3d0b552c096719d1bff034a942aeff61ce28d26b151aa
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-5/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/glugg23/huffman_coding:/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] 0a3297873ea6094684ae2c3fe5551f37cadea1033829e0f5e1a9c7397640b1c3
[INFO] running `"docker" "start" "-a" "0a3297873ea6094684ae2c3fe5551f37cadea1033829e0f5e1a9c7397640b1c3"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/huffman_coding-156da04702394880
[INFO] [stderr]      Running /opt/crater/target/debug/deps/huffman_coding-02ca5b719315f64b
[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] [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_coding
[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" "0a3297873ea6094684ae2c3fe5551f37cadea1033829e0f5e1a9c7397640b1c3"`
[INFO] running `"docker" "rm" "-f" "0a3297873ea6094684ae2c3fe5551f37cadea1033829e0f5e1a9c7397640b1c3"`
[INFO] [stdout] 0a3297873ea6094684ae2c3fe5551f37cadea1033829e0f5e1a9c7397640b1c3