[INFO] updating cached repository zzmp/dwarf-prototypes
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/zzmp/dwarf-prototypes
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/zzmp/dwarf-prototypes" "work/ex/beta-1.38-1/sources/1.37.0/gh/zzmp/dwarf-prototypes"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/zzmp/dwarf-prototypes'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/zzmp/dwarf-prototypes" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/zzmp/dwarf-prototypes"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/zzmp/dwarf-prototypes'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 253b9fad6dc49406f1dee3e53f80d845f34a1eab
[INFO] sha for GitHub repo zzmp/dwarf-prototypes: 253b9fad6dc49406f1dee3e53f80d845f34a1eab
[INFO] validating manifest of zzmp/dwarf-prototypes 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 zzmp/dwarf-prototypes 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 zzmp/dwarf-prototypes
[INFO] finished frobbing zzmp/dwarf-prototypes
[INFO] frobbed toml for zzmp/dwarf-prototypes written to work/ex/beta-1.38-1/sources/1.37.0/gh/zzmp/dwarf-prototypes/Cargo.toml
[INFO] started frobbing zzmp/dwarf-prototypes
[INFO] finished frobbing zzmp/dwarf-prototypes
[INFO] frobbed toml for zzmp/dwarf-prototypes written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/zzmp/dwarf-prototypes/Cargo.toml
[INFO] crate zzmp/dwarf-prototypes 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] testing zzmp/dwarf-prototypes 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-2/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/zzmp/dwarf-prototypes:/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] afebe4f81d51a81256be1b1fceaa2e25522e92aa3196f7bf7a2180ebc970e41f
[INFO] running `"docker" "start" "-a" "afebe4f81d51a81256be1b1fceaa2e25522e92aa3196f7bf7a2180ebc970e41f"`
[INFO] [stderr]    Compiling winapi-build v0.1.1
[INFO] [stderr]    Compiling odds v0.2.25
[INFO] [stderr]    Compiling winapi v0.2.8
[INFO] [stderr]    Compiling libc v0.2.21
[INFO] [stderr]    Compiling zero v0.1.2
[INFO] [stderr]    Compiling byteorder v0.5.3
[INFO] [stderr]    Compiling leb128 v0.2.1
[INFO] [stderr]    Compiling fallible-iterator v0.1.3
[INFO] [stderr]    Compiling getopts v0.2.14
[INFO] [stderr]    Compiling xmas-elf v0.4.0
[INFO] [stderr]    Compiling kernel32-sys v0.2.2
[INFO] [stderr] warning[E0503]: cannot use `state` because it was mutably borrowed
[INFO] [stderr]     --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/getopts-0.2.14/src/lib.rs:1008:33
[INFO] [stderr]      |
[INFO] [stderr] 955  |     let mut machine = |cont: &mut bool, (i, c): (usize, char)| {
[INFO] [stderr]      |                       ---------------------------------------- borrow of `state` occurs here
[INFO] [stderr] ...
[INFO] [stderr] 959  |         state = match (state, whitespace, limit) {
[INFO] [stderr]      |                        ----- borrow occurs due to use of `state` in closure
[INFO] [stderr] ...
[INFO] [stderr] 1008 |     while cont && match state { B | C => true, A => false } {
[INFO] [stderr]      |                                 ^ use of borrowed `state`
[INFO] [stderr] 1009 |         machine(&mut cont, (fake_i, ' '));
[INFO] [stderr]      |         ------- borrow later used here
[INFO] [stderr]      |
[INFO] [stderr]      = warning: this error has been downgraded to a warning for backwards compatibility with previous releases
[INFO] [stderr]      = warning: this represents potential undefined behavior in your code and this warning will become a hard error in the future
[INFO] [stderr]      = note: for more information, try `rustc --explain E0729`
[INFO] [stderr] 
[INFO] [stderr]    Compiling fs2 v0.2.5
[INFO] [stderr]    Compiling memmap v0.4.0
[INFO] [stderr]    Compiling nodrop v0.1.9
[INFO] [stderr]    Compiling arrayvec v0.3.22
[INFO] [stderr]    Compiling object v0.3.0
[INFO] [stderr]    Compiling gimli v0.13.0
[INFO] [stderr]    Compiling dwarf-prototypes v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 14.22s
[INFO] running `"docker" "inspect" "afebe4f81d51a81256be1b1fceaa2e25522e92aa3196f7bf7a2180ebc970e41f"`
[INFO] running `"docker" "rm" "-f" "afebe4f81d51a81256be1b1fceaa2e25522e92aa3196f7bf7a2180ebc970e41f"`
[INFO] [stdout] afebe4f81d51a81256be1b1fceaa2e25522e92aa3196f7bf7a2180ebc970e41f
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/zzmp/dwarf-prototypes:/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] 1494ff3722213cd1474749e636e5be90eb5ca72b2e21eac95d94791a9fa69735
[INFO] running `"docker" "start" "-a" "1494ff3722213cd1474749e636e5be90eb5ca72b2e21eac95d94791a9fa69735"`
[INFO] [stderr]    Compiling dwarf-prototypes v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.73s
[INFO] running `"docker" "inspect" "1494ff3722213cd1474749e636e5be90eb5ca72b2e21eac95d94791a9fa69735"`
[INFO] running `"docker" "rm" "-f" "1494ff3722213cd1474749e636e5be90eb5ca72b2e21eac95d94791a9fa69735"`
[INFO] [stdout] 1494ff3722213cd1474749e636e5be90eb5ca72b2e21eac95d94791a9fa69735
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/zzmp/dwarf-prototypes:/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] d1c404970758d769526d1de6cbfb3e46106a514e517212c68cc8cf804b16f5f8
[INFO] running `"docker" "start" "-a" "d1c404970758d769526d1de6cbfb3e46106a514e517212c68cc8cf804b16f5f8"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/dwarf_prototypes-b0a141d2ccc0c4e7
[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" "d1c404970758d769526d1de6cbfb3e46106a514e517212c68cc8cf804b16f5f8"`
[INFO] running `"docker" "rm" "-f" "d1c404970758d769526d1de6cbfb3e46106a514e517212c68cc8cf804b16f5f8"`
[INFO] [stdout] d1c404970758d769526d1de6cbfb3e46106a514e517212c68cc8cf804b16f5f8