[INFO] updating cached repository https://github.com/panicbit/plz
[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] 26d5adc9ea13fb0a27a96c158d4551d0b403792c
[INFO] checking panicbit/plz against master#c9edc02e8320a9e5799d185910ece7d491f524e6 for pr-64398
[INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpanicbit%2Fplz" "work/builds/worker-3/source"`
[INFO] [stderr] Cloning into 'work/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/panicbit/plz 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/panicbit/plz
[INFO] finished tweaking git repo https://github.com/panicbit/plz
[INFO] tweaked toml for git repo https://github.com/panicbit/plz written to work/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/panicbit/plz 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] running `"docker" "create" "-v" "/mnt/big/crater/work/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/mnt/big/crater/work/builds/worker-3/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] 8f4ad61dbcfa73b483439a3a1ef7218f73dfe6dbe88f73fcc42ab4e4d86905cb
[INFO] running `"docker" "start" "-a" "8f4ad61dbcfa73b483439a3a1ef7218f73dfe6dbe88f73fcc42ab4e4d86905cb"`
[INFO] [stderr]    Compiling serde v1.0.70
[INFO] [stderr]     Checking ord_subset v3.1.0
[INFO] [stderr]     Checking small v0.1.0 (https://gitlab.redox-os.org/redox-os/small#a0d30d2f)
[INFO] [stderr]     Checking permutate v0.3.2
[INFO] [stderr]     Checking bytecount v0.3.1
[INFO] [stderr]     Checking xdg v2.1.0 (https://github.com/whitequark/rust-xdg#090afef2)
[INFO] [stderr]    Compiling decimal v2.0.4
[INFO] [stderr]     Checking users v0.7.0
[INFO] [stderr]     Checking ion_lexers v0.1.0 (https://github.com/redox-os/ion#51b8c4d8)
[INFO] [stderr]    Compiling ion-shell v1.0.0-alpha (https://github.com/redox-os/ion#51b8c4d8)
[INFO] [stderr]     Checking liner v0.4.4
[INFO] [stderr]     Checking liner v0.4.5 (https://gitlab.redox-os.org/redox-os/liner#82c1715f)
[INFO] [stderr]     Checking ion_sys v0.1.0 (https://github.com/redox-os/ion#51b8c4d8)
[INFO] [stderr]     Checking ion_ranges v0.1.0 (https://github.com/redox-os/ion#51b8c4d8)
[INFO] [stderr]     Checking regex v1.0.2
[INFO] [stderr]     Checking ion_braces v0.1.0 (https://github.com/redox-os/ion#51b8c4d8)
[INFO] [stderr]    Compiling structopt-derive v0.2.10
[INFO] [stderr] warning[E0503]: cannot use `self.key_bindings` because it was mutably borrowed
[INFO] [stderr]    --> /opt/rustwide/cargo-home/git/checkouts/liner-1727a35ee86ca82d/82c1715/src/context.rs:103:17
[INFO] [stderr]     |
[INFO] [stderr] 101 |             let ed = Editor::new_with_init_buffer(stdout, prompt, f, self, buffer)?;
[INFO] [stderr]     |                                                                      ---- borrow of `*self` occurs here
[INFO] [stderr] 102 |             match self.key_bindings {
[INFO] [stderr] 103 |                 KeyBindings::Emacs => Self::handle_keys(keymap::Emacs::new(ed), handler),
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^^^^ use of borrowed `*self`
[INFO] [stderr] 104 |                 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] 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 structopt v0.2.10
[INFO] [stderr]     Checking toml v0.4.6
[INFO] [stderr]     Checking calculate v0.5.1
[INFO] [stderr]     Checking ion_builtins v0.1.0 (https://github.com/redox-os/ion#51b8c4d8)
[INFO] [stderr]     Checking plz v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused `#[macro_use]` import
[INFO] [stderr]  --> src/main.rs:6:1
[INFO] [stderr]   |
[INFO] [stderr] 6 | #[macro_use] extern crate structopt;
[INFO] [stderr]   | ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused `#[macro_use]` import
[INFO] [stderr]  --> src/main.rs:6:1
[INFO] [stderr]   |
[INFO] [stderr] 6 | #[macro_use] extern crate structopt;
[INFO] [stderr]   | ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 39.92s
[INFO] running `"docker" "inspect" "8f4ad61dbcfa73b483439a3a1ef7218f73dfe6dbe88f73fcc42ab4e4d86905cb"`
[INFO] running `"docker" "rm" "-f" "8f4ad61dbcfa73b483439a3a1ef7218f73dfe6dbe88f73fcc42ab4e4d86905cb"`
[INFO] [stdout] 8f4ad61dbcfa73b483439a3a1ef7218f73dfe6dbe88f73fcc42ab4e4d86905cb