[INFO] updating cached repository anath2/hack-assembler
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/anath2/hack-assembler
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/anath2/hack-assembler" "work/ex/beta-1.37-6/sources/1.36.0/gh/anath2/hack-assembler"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/anath2/hack-assembler'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/anath2/hack-assembler" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/anath2/hack-assembler"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/anath2/hack-assembler'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 3ba3d48189d77879a9759cbe60eafa47c3bb9de8
[INFO] sha for GitHub repo anath2/hack-assembler: 3ba3d48189d77879a9759cbe60eafa47c3bb9de8
[INFO] validating manifest of anath2/hack-assembler 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 anath2/hack-assembler 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 anath2/hack-assembler
[INFO] finished frobbing anath2/hack-assembler
[INFO] frobbed toml for anath2/hack-assembler written to work/ex/beta-1.37-6/sources/1.36.0/gh/anath2/hack-assembler/Cargo.toml
[INFO] started frobbing anath2/hack-assembler
[INFO] finished frobbing anath2/hack-assembler
[INFO] frobbed toml for anath2/hack-assembler written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/anath2/hack-assembler/Cargo.toml
[INFO] crate anath2/hack-assembler 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] [stderr]     Blocking waiting for file lock on package cache lock
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] testing anath2/hack-assembler against beta-2019-07-23 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-6/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/anath2/hack-assembler:/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-2019-07-23" "build" "--frozen"`
[INFO] [stdout] e294baabe13c0fd2cc8a7dd42d944984ba17bb74ce34ed0c066aabd8b439f9df
[INFO] running `"docker" "start" "-a" "e294baabe13c0fd2cc8a7dd42d944984ba17bb74ce34ed0c066aabd8b439f9df"`
[INFO] [stderr]    Compiling assembler v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: function is never used: `create`
[INFO] [stderr]    --> src/lib.rs:153:5
[INFO] [stderr]     |
[INFO] [stderr] 153 |     fn create(code: &String) -> Vec<(String, usize)>{
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.90s
[INFO] running `"docker" "inspect" "e294baabe13c0fd2cc8a7dd42d944984ba17bb74ce34ed0c066aabd8b439f9df"`
[INFO] running `"docker" "rm" "-f" "e294baabe13c0fd2cc8a7dd42d944984ba17bb74ce34ed0c066aabd8b439f9df"`
[INFO] [stdout] e294baabe13c0fd2cc8a7dd42d944984ba17bb74ce34ed0c066aabd8b439f9df
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-6/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/anath2/hack-assembler:/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-2019-07-23" "test" "--frozen" "--no-run"`
[INFO] [stdout] 3478d8fa9a2e0b7256fa73700275c7314bae50355b994e600f44b0091c50a064
[INFO] running `"docker" "start" "-a" "3478d8fa9a2e0b7256fa73700275c7314bae50355b994e600f44b0091c50a064"`
[INFO] [stderr]    Compiling assembler v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: function is never used: `create`
[INFO] [stderr]    --> src/lib.rs:153:5
[INFO] [stderr]     |
[INFO] [stderr] 153 |     fn create(code: &String) -> Vec<(String, usize)>{
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.60s
[INFO] running `"docker" "inspect" "3478d8fa9a2e0b7256fa73700275c7314bae50355b994e600f44b0091c50a064"`
[INFO] running `"docker" "rm" "-f" "3478d8fa9a2e0b7256fa73700275c7314bae50355b994e600f44b0091c50a064"`
[INFO] [stdout] 3478d8fa9a2e0b7256fa73700275c7314bae50355b994e600f44b0091c50a064
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-6/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/anath2/hack-assembler:/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-2019-07-23" "test" "--frozen"`
[INFO] [stdout] de2d3e769ddf4d1d553c965c43929ccce1ffb6b205a3541e6a26bbdbb7e1b973
[INFO] running `"docker" "start" "-a" "de2d3e769ddf4d1d553c965c43929ccce1ffb6b205a3541e6a26bbdbb7e1b973"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/assembler-fd8f38e3b4d82de0
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stderr] error: test failed, to rerun pass '--lib'
[INFO] running `"docker" "inspect" "de2d3e769ddf4d1d553c965c43929ccce1ffb6b205a3541e6a26bbdbb7e1b973"`
[INFO] running `"docker" "rm" "-f" "de2d3e769ddf4d1d553c965c43929ccce1ffb6b205a3541e6a26bbdbb7e1b973"`
[INFO] [stdout] de2d3e769ddf4d1d553c965c43929ccce1ffb6b205a3541e6a26bbdbb7e1b973