[INFO] fetching crate redoxer 0.2.6...
[INFO] extracting crate redoxer 0.2.6 into work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/reg/redoxer/0.2.6
[INFO] extracting crate redoxer 0.2.6 into work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/reg/redoxer/0.2.6
[INFO] validating manifest of redoxer-0.2.6 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 redoxer-0.2.6 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 redoxer-0.2.6
[INFO] finished frobbing redoxer-0.2.6
[INFO] frobbed toml for redoxer-0.2.6 written to work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/reg/redoxer/0.2.6/Cargo.toml
[INFO] started frobbing redoxer-0.2.6
[INFO] finished frobbing redoxer-0.2.6
[INFO] frobbed toml for redoxer-0.2.6 written to work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/reg/redoxer/0.2.6/Cargo.toml
[INFO] crate redoxer-0.2.6 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] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+8f81d0bf6baf07b92f1246696722485c4ca0b049-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking redoxer-0.2.6 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/reg/redoxer/0.2.6:/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] 77859cdfd6ead55e40624e72e53169680f2210a2fe2c7db7f1a41e52034ddfb6
[INFO] running `"docker" "start" "-a" "77859cdfd6ead55e40624e72e53169680f2210a2fe2c7db7f1a41e52034ddfb6"`
[INFO] [stderr]    Compiling libc v0.2.58
[INFO] [stderr]    Compiling syn v0.15.36
[INFO] [stderr]    Compiling httparse v1.3.3
[INFO] [stderr]    Compiling arrayvec v0.4.10
[INFO] [stderr]    Compiling serde v1.0.92
[INFO] [stderr]    Compiling redox_pkgutils v0.1.2
[INFO] [stderr]     Checking thread-scoped v1.0.2
[INFO] [stderr]     Checking bytecount v0.1.7
[INFO] [stderr]     Checking bidir-map v0.6.0
[INFO] [stderr]     Checking redox_syscall v0.1.54
[INFO] [stderr]     Checking version-compare v0.0.4
[INFO] [stderr]     Checking ordermap v0.2.13
[INFO] [stderr] warning[E0621]: explicit lifetime required in the type of `other`
[INFO] [stderr]    --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/version-compare-0.0.4/src/version.rs:308:13
[INFO] [stderr]     |
[INFO] [stderr] 304 |     pub fn compare(&self, other: &Version) -> CompOp {
[INFO] [stderr]     |                                  -------- help: add explicit lifetime `'a` to the type of `other`: `&version::Version<'a>`
[INFO] [stderr] ...
[INFO] [stderr] 308 |             other.parts.iter().peekable()
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ lifetime `'a` required
[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 arg_parser v0.1.0
[INFO] [stderr]    Compiling backtrace-sys v0.1.28
[INFO] [stderr]     Checking log v0.4.6
[INFO] [stderr]    Compiling backtrace v0.3.30
[INFO] [stderr]    Compiling fuse v0.3.1
[INFO] [stderr]    Compiling quote v0.6.12
[INFO] [stderr]    Compiling err-derive v0.1.5
[INFO] [stderr]     Checking generic-array v0.12.0
[INFO] [stderr]     Checking libflate v0.1.23
[INFO] [stderr]     Checking log v0.3.9
[INFO] [stderr]     Checking mime v0.2.6
[INFO] [stderr]     Checking digest v0.8.0
[INFO] [stderr]     Checking block-buffer v0.7.3
[INFO] [stderr]     Checking blake2-rfc v0.2.18
[INFO] [stderr]     Checking ring v0.13.5
[INFO] [stderr]     Checking time v0.1.42
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking num_cpus v1.10.1
[INFO] [stderr]     Checking xattr v0.2.2
[INFO] [stderr]     Checking filetime v0.2.6
[INFO] [stderr]     Checking termion v1.5.3
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking dirs v1.0.5
[INFO] [stderr]     Checking sha3 v0.8.2
[INFO] [stderr]     Checking argon2rs v0.2.5
[INFO] [stderr]     Checking hyper v0.10.16
[INFO] [stderr]     Checking pbr v1.0.1
[INFO] [stderr]     Checking tar v0.4.26
[INFO] [stderr]     Checking rand v0.6.5
[INFO] [stderr]     Checking liner v0.4.4
[INFO] [stderr]     Checking rand v0.3.23
[INFO] [stderr]     Checking sct v0.4.0
[INFO] [stderr]     Checking webpki v0.18.1
[INFO] [stderr]     Checking uuid v0.5.1
[INFO] [stderr]     Checking redoxfs v0.3.3
[INFO] [stderr] warning[E0503]: cannot use `self.key_bindings` because it was mutably borrowed
[INFO] [stderr]   --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/liner-0.4.4/src/context.rs:98:17
[INFO] [stderr]    |
[INFO] [stderr] 96 |             let ed = try!(Editor::new_with_init_buffer(stdout, prompt, self, buffer));
[INFO] [stderr]    |                                                                        ---- borrow of `*self` occurs here
[INFO] [stderr] 97 |             match self.key_bindings {
[INFO] [stderr] 98 |                 KeyBindings::Emacs => Self::handle_keys(keymap::Emacs::new(ed), handler),
[INFO] [stderr]    |                 ^^^^^^^^^^^^^^^^^^ use of borrowed `*self`
[INFO] [stderr] 99 |                 KeyBindings::Vi => Self::handle_keys(keymap::Vi::new(ed), handler),
[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 rustls v0.13.1
[INFO] [stderr]     Checking webpki-roots v0.15.0
[INFO] [stderr]     Checking tempfile v3.0.8
[INFO] [stderr]     Checking hyper-rustls v0.6.2
[INFO] [stderr]    Compiling synstructure v0.10.2
[INFO] [stderr]    Compiling serde_derive v1.0.92
[INFO] [stderr]     Checking toml v0.4.10
[INFO] [stderr]     Checking toml v0.5.1
[INFO] [stderr]    Compiling failure_derive v0.1.5
[INFO] [stderr]     Checking failure v0.1.5
[INFO] [stderr]     Checking partition-identity v0.2.6
[INFO] [stderr]     Checking proc-mounts v0.2.2
[INFO] [stderr]     Checking redox_installer v0.2.4
[INFO] [stderr]     Checking redoxer v0.2.6 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 40.94s
[INFO] running `"docker" "inspect" "77859cdfd6ead55e40624e72e53169680f2210a2fe2c7db7f1a41e52034ddfb6"`
[INFO] running `"docker" "rm" "-f" "77859cdfd6ead55e40624e72e53169680f2210a2fe2c7db7f1a41e52034ddfb6"`
[INFO] [stdout] 77859cdfd6ead55e40624e72e53169680f2210a2fe2c7db7f1a41e52034ddfb6