[INFO] updating cached repository https://github.com/redox-os/userutils
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/mnt/big/crater/work/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] a208ce4aa841b6abd61154efa4705afb93a7c2e2
[INFO] checking redox-os/userutils against master#c9edc02e8320a9e5799d185910ece7d491f524e6 for pr-64398
[INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2Fredox-os%2Fuserutils" "work/builds/worker-2/source"`
[INFO] [stderr] Cloning into 'work/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/redox-os/userutils on toolchain c9edc02e8320a9e5799d185910ece7d491f524e6-alt
[INFO] running `"/mnt/big/crater/work/cargo-home/bin/cargo" "+c9edc02e8320a9e5799d185910ece7d491f524e6-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/redox-os/userutils
[INFO] finished tweaking git repo https://github.com/redox-os/userutils
[INFO] tweaked toml for git repo https://github.com/redox-os/userutils written to work/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/redox-os/userutils already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/cargo-home/bin/cargo" "+c9edc02e8320a9e5799d185910ece7d491f524e6-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/mnt/big/crater/work/builds/worker-2/source:/opt/rustwide/workdir:ro,Z" "-v" "/mnt/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+c9edc02e8320a9e5799d185910ece7d491f524e6-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 15e48d3e771b8cabd3ddd38768eecbb7402043fda38ff5e903923a93938987d8
[INFO] running `"docker" "start" "-a" "15e48d3e771b8cabd3ddd38768eecbb7402043fda38ff5e903923a93938987d8"`
[INFO] [stderr]    Compiling syn v0.15.43
[INFO] [stderr]     Checking redox_syscall v0.1.56
[INFO] [stderr]     Checking extra v0.1.0 (https://gitlab.redox-os.org/redox-os/libextra.git#0b50f3f2)
[INFO] [stderr]     Checking rand v0.5.6
[INFO] [stderr]     Checking termion v1.5.3
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking crossbeam-epoch v0.6.1
[INFO] [stderr]     Checking blake2b_simd v0.5.6
[INFO] [stderr]     Checking backtrace v0.3.34
[INFO] [stderr]     Checking redox_termios v0.1.1
[INFO] [stderr]     Checking liner v0.4.4
[INFO] [stderr] warning[E0503]: cannot use `self.key_bindings` because it was mutably borrowed
[INFO] [stderr]   --> /opt/rustwide/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 parking_lot_core v0.3.1
[INFO] [stderr]     Checking parking_lot v0.6.4
[INFO] [stderr]     Checking crossbeam v0.5.0
[INFO] [stderr]     Checking rust-argon2 v0.5.0
[INFO] [stderr]    Compiling synstructure v0.10.2
[INFO] [stderr]    Compiling failure_derive v0.1.5
[INFO] [stderr]     Checking failure v0.1.5
[INFO] [stderr]     Checking redox_users v0.3.1
[INFO] [stderr]     Checking userutils v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] error: unnecessary trailing semicolon
[INFO] [stderr]    --> src/bin/passwd.rs:101:70
[INFO] [stderr]     |
[INFO] [stderr] 101 |                 stdout.write_all(b"new password: ").try(&mut stderr);;
[INFO] [stderr]     |                                                                      ^ help: remove this semicolon
[INFO] [stderr]     |
[INFO] [stderr] note: lint level defined here
[INFO] [stderr]    --> src/bin/passwd.rs:1:9
[INFO] [stderr]     |
[INFO] [stderr] 1   | #![deny(warnings)]
[INFO] [stderr]     |         ^^^^^^^^
[INFO] [stderr]     = note: `#[deny(redundant_semicolon)]` implied by `#[deny(warnings)]`
[INFO] [stderr] 
[INFO] [stderr] error: unnecessary trailing semicolon
[INFO] [stderr]    --> src/bin/passwd.rs:102:49
[INFO] [stderr]     |
[INFO] [stderr] 102 |                 stdout.flush().try(&mut stderr);;
[INFO] [stderr]     |                                                 ^ help: remove this semicolon
[INFO] [stderr] 
[INFO] [stderr] error: unnecessary trailing semicolon
[INFO] [stderr]    --> src/bin/passwd.rs:110:57
[INFO] [stderr]     |
[INFO] [stderr] 110 |                         stdout.flush().try(&mut stderr);;
[INFO] [stderr]     |                                                         ^ help: remove this semicolon
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 3 previous errors
[INFO] [stderr] 
[INFO] [stderr] error: Could not compile `userutils`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: unnecessary trailing semicolon
[INFO] [stderr]    --> src/bin/login.rs:104:45
[INFO] [stderr]     |
[INFO] [stderr] 104 |             stdout.flush().try(&mut stderr);;
[INFO] [stderr]     |                                             ^ help: remove this semicolon
[INFO] [stderr]     |
[INFO] [stderr] note: lint level defined here
[INFO] [stderr]    --> src/bin/login.rs:1:9
[INFO] [stderr]     |
[INFO] [stderr] 1   | #![deny(warnings)]
[INFO] [stderr]     |         ^^^^^^^^
[INFO] [stderr]     = note: `#[deny(redundant_semicolon)]` implied by `#[deny(warnings)]`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] error: Could not compile `userutils`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "15e48d3e771b8cabd3ddd38768eecbb7402043fda38ff5e903923a93938987d8"`
[INFO] running `"docker" "rm" "-f" "15e48d3e771b8cabd3ddd38768eecbb7402043fda38ff5e903923a93938987d8"`
[INFO] [stdout] 15e48d3e771b8cabd3ddd38768eecbb7402043fda38ff5e903923a93938987d8