[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-1.38-1/sources/1.37.0/gh/anath2/hack-assembler"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/anath2/hack-assembler'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/anath2/hack-assembler" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/anath2/hack-assembler"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/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 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of anath2/hack-assembler 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 anath2/hack-assembler
[INFO] finished frobbing anath2/hack-assembler
[INFO] frobbed toml for anath2/hack-assembler written to work/ex/beta-1.38-1/sources/1.37.0/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-1.38-1/sources/beta-2019-08-13/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" "+1.37.0" "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 anath2/hack-assembler 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/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-2019-08-13" "build" "--frozen"`
[INFO] [stdout] ca266775c91436bb164dee593b9a0bb4ec2da68f6ca0384e955b91b0ee9aaa8d
[INFO] running `"docker" "start" "-a" "ca266775c91436bb164dee593b9a0bb4ec2da68f6ca0384e955b91b0ee9aaa8d"`
[INFO] [stderr]    Compiling regex v1.1.5
[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 11.34s
[INFO] running `"docker" "inspect" "ca266775c91436bb164dee593b9a0bb4ec2da68f6ca0384e955b91b0ee9aaa8d"`
[INFO] running `"docker" "rm" "-f" "ca266775c91436bb164dee593b9a0bb4ec2da68f6ca0384e955b91b0ee9aaa8d"`
[INFO] [stdout] ca266775c91436bb164dee593b9a0bb4ec2da68f6ca0384e955b91b0ee9aaa8d
[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/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-2019-08-13" "test" "--frozen" "--no-run"`
[INFO] [stdout] 12772619764df5ca2a4f6024a2655ef57cad90989648f344eb9d76a3e30fef32
[INFO] running `"docker" "start" "-a" "12772619764df5ca2a4f6024a2655ef57cad90989648f344eb9d76a3e30fef32"`
[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 1.20s
[INFO] running `"docker" "inspect" "12772619764df5ca2a4f6024a2655ef57cad90989648f344eb9d76a3e30fef32"`
[INFO] running `"docker" "rm" "-f" "12772619764df5ca2a4f6024a2655ef57cad90989648f344eb9d76a3e30fef32"`
[INFO] [stdout] 12772619764df5ca2a4f6024a2655ef57cad90989648f344eb9d76a3e30fef32
[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/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-2019-08-13" "test" "--frozen"`
[INFO] [stdout] 256871a13f7b5900a9c569ed593d6d200b7e749866bfe8e625082287e276762b
[INFO] running `"docker" "start" "-a" "256871a13f7b5900a9c569ed593d6d200b7e749866bfe8e625082287e276762b"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/assembler-f7dfe9fce77eef76
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stderr] error: test failed, to rerun pass '--lib'
[INFO] running `"docker" "inspect" "256871a13f7b5900a9c569ed593d6d200b7e749866bfe8e625082287e276762b"`
[INFO] running `"docker" "rm" "-f" "256871a13f7b5900a9c569ed593d6d200b7e749866bfe8e625082287e276762b"`
[INFO] [stdout] 256871a13f7b5900a9c569ed593d6d200b7e749866bfe8e625082287e276762b