[INFO] updating cached repository ahenshaw/mpsparser
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/ahenshaw/mpsparser
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/ahenshaw/mpsparser" "work/ex/beta-1.37-6/sources/1.36.0/gh/ahenshaw/mpsparser"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/ahenshaw/mpsparser'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/ahenshaw/mpsparser" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/ahenshaw/mpsparser"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/ahenshaw/mpsparser'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 8f5dcaf3e473890efc5d8cd7b6d416584d3319ec
[INFO] sha for GitHub repo ahenshaw/mpsparser: 8f5dcaf3e473890efc5d8cd7b6d416584d3319ec
[INFO] validating manifest of ahenshaw/mpsparser 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 ahenshaw/mpsparser 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 ahenshaw/mpsparser
[INFO] finished frobbing ahenshaw/mpsparser
[INFO] frobbed toml for ahenshaw/mpsparser written to work/ex/beta-1.37-6/sources/1.36.0/gh/ahenshaw/mpsparser/Cargo.toml
[INFO] started frobbing ahenshaw/mpsparser
[INFO] finished frobbing ahenshaw/mpsparser
[INFO] frobbed toml for ahenshaw/mpsparser written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/ahenshaw/mpsparser/Cargo.toml
[INFO] crate ahenshaw/mpsparser 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] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing ahenshaw/mpsparser against 1.36.0 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-6/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/ahenshaw/mpsparser:/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" "+1.36.0" "build" "--frozen"`
[INFO] [stdout] 49bd2a5fdd5703efa40b80005fddb8ccf15c381970dee841d8e2e53b4ae16cbf
[INFO] running `"docker" "start" "-a" "49bd2a5fdd5703efa40b80005fddb8ccf15c381970dee841d8e2e53b4ae16cbf"`
[INFO] [stderr]    Compiling libc v0.2.43
[INFO] [stderr]    Compiling memchr v2.1.0
[INFO] [stderr]    Compiling nom v4.0.0
[INFO] [stderr]    Compiling mpsparser v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/main.rs:156:13
[INFO] [stderr]     |
[INFO] [stderr] 156 |         let mut sgn = if *mul < 0.0 {"-"} else {if eqn.len() > 0 {"+"} else {""}};
[INFO] [stderr]     |             ----^^^
[INFO] [stderr]     |             |
[INFO] [stderr]     |             help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_mut)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.54s
[INFO] running `"docker" "inspect" "49bd2a5fdd5703efa40b80005fddb8ccf15c381970dee841d8e2e53b4ae16cbf"`
[INFO] running `"docker" "rm" "-f" "49bd2a5fdd5703efa40b80005fddb8ccf15c381970dee841d8e2e53b4ae16cbf"`
[INFO] [stdout] 49bd2a5fdd5703efa40b80005fddb8ccf15c381970dee841d8e2e53b4ae16cbf
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-6/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/ahenshaw/mpsparser:/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" "+1.36.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] d5fcdc57f86e7639e5e45e7b30cc527203a74db640a0583791d2c33a505b58a6
[INFO] running `"docker" "start" "-a" "d5fcdc57f86e7639e5e45e7b30cc527203a74db640a0583791d2c33a505b58a6"`
[INFO] [stderr]    Compiling mpsparser v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/main.rs:156:13
[INFO] [stderr]     |
[INFO] [stderr] 156 |         let mut sgn = if *mul < 0.0 {"-"} else {if eqn.len() > 0 {"+"} else {""}};
[INFO] [stderr]     |             ----^^^
[INFO] [stderr]     |             |
[INFO] [stderr]     |             help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_mut)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.79s
[INFO] running `"docker" "inspect" "d5fcdc57f86e7639e5e45e7b30cc527203a74db640a0583791d2c33a505b58a6"`
[INFO] running `"docker" "rm" "-f" "d5fcdc57f86e7639e5e45e7b30cc527203a74db640a0583791d2c33a505b58a6"`
[INFO] [stdout] d5fcdc57f86e7639e5e45e7b30cc527203a74db640a0583791d2c33a505b58a6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-6/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/ahenshaw/mpsparser:/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" "+1.36.0" "test" "--frozen"`
[INFO] [stdout] 478e548963fb4db42fe4ad5a5f9c3310cf1e2e6f7c6d03778cd25facdb9a0a1a
[INFO] running `"docker" "start" "-a" "478e548963fb4db42fe4ad5a5f9c3310cf1e2e6f7c6d03778cd25facdb9a0a1a"`
[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]     Finished dev [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/mpsparser-975406e38675dab4
[INFO] running `"docker" "inspect" "478e548963fb4db42fe4ad5a5f9c3310cf1e2e6f7c6d03778cd25facdb9a0a1a"`
[INFO] running `"docker" "rm" "-f" "478e548963fb4db42fe4ad5a5f9c3310cf1e2e6f7c6d03778cd25facdb9a0a1a"`
[INFO] [stdout] 478e548963fb4db42fe4ad5a5f9c3310cf1e2e6f7c6d03778cd25facdb9a0a1a