[INFO] cloning repository zzmp/serdwarf
[INFO] running `"git" "clone" "--bare" "git://github.com/zzmp/serdwarf.git" "work/cache/sources/gh/zzmp/serdwarf"`
[INFO] [stderr] Cloning into bare repository 'work/cache/sources/gh/zzmp/serdwarf'...
[INFO] running `"git" "clone" "work/cache/sources/gh/zzmp/serdwarf" "work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/zzmp/serdwarf"`
[INFO] [stderr] Cloning into 'work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/zzmp/serdwarf'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/zzmp/serdwarf" "work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/zzmp/serdwarf"`
[INFO] [stderr] Cloning into 'work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/zzmp/serdwarf'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 9c2059934b858b93c4a3b6ef49c504fbb1bd097d
[INFO] sha for GitHub repo zzmp/serdwarf: 9c2059934b858b93c4a3b6ef49c504fbb1bd097d
[INFO] validating manifest of zzmp/serdwarf on toolchain master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of zzmp/serdwarf on toolchain try#8f81d0bf6baf07b92f1246696722485c4ca0b049
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+8f81d0bf6baf07b92f1246696722485c4ca0b049-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing zzmp/serdwarf
[INFO] finished frobbing zzmp/serdwarf
[INFO] frobbed toml for zzmp/serdwarf written to work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/zzmp/serdwarf/Cargo.toml
[INFO] started frobbing zzmp/serdwarf
[INFO] finished frobbing zzmp/serdwarf
[INFO] frobbed toml for zzmp/serdwarf written to work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/zzmp/serdwarf/Cargo.toml
[INFO] crate zzmp/serdwarf already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1-alt" "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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded xmas-elf v0.4.0
[INFO] [stderr]   Downloaded object v0.3.0
[INFO] [stderr]   Downloaded memmap v0.4.0
[INFO] [stderr]   Downloaded zero v0.1.2
[INFO] [stderr]   Downloaded libc v0.2.22
[INFO] [stderr]   Downloaded kernel32-sys v0.2.2
[INFO] [stderr]   Downloaded fallible-iterator v0.1.3
[INFO] [stderr]   Downloaded fs2 v0.2.5
[INFO] [stderr]   Downloaded nodrop v0.1.9
[INFO] [stderr]   Downloaded gimli v0.13.0
[INFO] [stderr]   Downloaded byteorder v0.5.3
[INFO] [stderr]   Downloaded mach_o_sys v0.1.1
[INFO] [stderr]   Downloaded getopts v0.2.14
[INFO] [stderr]   Downloaded odds v0.2.25
[INFO] [stderr]   Downloaded arrayvec v0.3.23
[INFO] [stderr]   Downloaded winapi v0.2.8
[INFO] [stderr]   Downloaded winapi-build v0.1.1
[INFO] [stderr]   Downloaded mach_o v0.1.2
[INFO] [stderr]   Downloaded dwarfdump v0.1.0
[INFO] [stderr]   Downloaded leb128 v0.2.1
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+8f81d0bf6baf07b92f1246696722485c4ca0b049-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] checking zzmp/serdwarf against try#8f81d0bf6baf07b92f1246696722485c4ca0b049 for pr-62008
[INFO] running `"docker" "create" "-v" "/mnt/big/ec2-user/crater/work/local/target-dirs/pr-62008/worker-3/try#8f81d0bf6baf07b92f1246696722485c4ca0b049:/opt/crater/target:rw,Z" "-v" "/mnt/big/ec2-user/crater/work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/zzmp/serdwarf:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/ec2-user/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/ec2-user/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=forbid" "-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" "+8f81d0bf6baf07b92f1246696722485c4ca0b049-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 45ba4191448564e0167ad170a9d85830079ab14e87cfc306619be196a8bf834a
[INFO] running `"docker" "start" "-a" "45ba4191448564e0167ad170a9d85830079ab14e87cfc306619be196a8bf834a"`
[INFO] [stderr]    Compiling winapi-build v0.1.1
[INFO] [stderr]     Checking winapi v0.2.8
[INFO] [stderr]     Checking odds v0.2.25
[INFO] [stderr]     Checking zero v0.1.2
[INFO] [stderr]     Checking libc v0.2.22
[INFO] [stderr]     Checking byteorder v0.5.3
[INFO] [stderr]     Checking leb128 v0.2.1
[INFO] [stderr]     Checking fallible-iterator v0.1.3
[INFO] [stderr]     Checking getopts v0.2.14
[INFO] [stderr]     Checking 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]     Checking fs2 v0.2.5
[INFO] [stderr]     Checking nodrop v0.1.9
[INFO] [stderr]     Checking arrayvec v0.3.23
[INFO] [stderr]     Checking memmap v0.4.0
[INFO] [stderr]     Checking object v0.3.0
[INFO] [stderr]     Checking gimli v0.13.0
[INFO] [stderr]     Checking dwarfdump v0.1.0
[INFO] [stderr]     Checking serdwarf v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.57s
[INFO] running `"docker" "inspect" "45ba4191448564e0167ad170a9d85830079ab14e87cfc306619be196a8bf834a"`
[INFO] running `"docker" "rm" "-f" "45ba4191448564e0167ad170a9d85830079ab14e87cfc306619be196a8bf834a"`
[INFO] [stdout] 45ba4191448564e0167ad170a9d85830079ab14e87cfc306619be196a8bf834a