[INFO] updating cached repository panicbit/plz
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/panicbit/plz
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/panicbit/plz" "work/ex/beta-1.38-1/sources/1.37.0/gh/panicbit/plz"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/panicbit/plz'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/panicbit/plz" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/panicbit/plz"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/panicbit/plz'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 26d5adc9ea13fb0a27a96c158d4551d0b403792c
[INFO] sha for GitHub repo panicbit/plz: 26d5adc9ea13fb0a27a96c158d4551d0b403792c
[INFO] validating manifest of panicbit/plz 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 panicbit/plz 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 panicbit/plz
[INFO] finished frobbing panicbit/plz
[INFO] frobbed toml for panicbit/plz written to work/ex/beta-1.38-1/sources/1.37.0/gh/panicbit/plz/Cargo.toml
[INFO] started frobbing panicbit/plz
[INFO] finished frobbing panicbit/plz
[INFO] frobbed toml for panicbit/plz written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/panicbit/plz/Cargo.toml
[INFO] crate panicbit/plz 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] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing panicbit/plz against beta-2019-08-13 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/panicbit/plz:/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" "+beta-2019-08-13" "build" "--frozen"`
[INFO] [stdout] 3174a955d185bf5e8a3f019f344ff52dff2bb6ef9199dbaa87fd40f327c093b1
[INFO] running `"docker" "start" "-a" "3174a955d185bf5e8a3f019f344ff52dff2bb6ef9199dbaa87fd40f327c093b1"`
[INFO] [stderr]    Compiling serde v1.0.70
[INFO] [stderr]    Compiling ord_subset v3.1.0
[INFO] [stderr]    Compiling small v0.1.0 (https://gitlab.redox-os.org/redox-os/small#a0d30d2f)
[INFO] [stderr]    Compiling permutate v0.3.2
[INFO] [stderr]    Compiling xdg v2.1.0 (https://github.com/whitequark/rust-xdg#090afef2)
[INFO] [stderr]    Compiling decimal v2.0.4
[INFO] [stderr]    Compiling atty v0.2.11
[INFO] [stderr]    Compiling users v0.7.0
[INFO] [stderr]    Compiling 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]    Compiling backtrace-sys v0.1.23
[INFO] [stderr]    Compiling liner v0.4.4
[INFO] [stderr]    Compiling liner v0.4.5 (https://gitlab.redox-os.org/redox-os/liner#82c1715f)
[INFO] [stderr]    Compiling quote v0.6.4
[INFO] [stderr]    Compiling clap v2.32.0
[INFO] [stderr] warning[E0503]: cannot use `self.key_bindings` because it was mutably borrowed
[INFO] [stderr]    --> /opt/crater/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]    Compiling ion_ranges v0.1.0 (https://github.com/redox-os/ion#51b8c4d8)
[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]    Compiling ion_sys v0.1.0 (https://github.com/redox-os/ion#51b8c4d8)
[INFO] [stderr]    Compiling syn v0.14.5
[INFO] [stderr]    Compiling regex v1.0.2
[INFO] [stderr]    Compiling ion_braces v0.1.0 (https://github.com/redox-os/ion#51b8c4d8)
[INFO] [stderr]    Compiling backtrace v0.3.9
[INFO] [stderr]    Compiling failure v0.1.1
[INFO] [stderr]    Compiling structopt-derive v0.2.10
[INFO] [stderr]    Compiling serde_derive v1.0.70
[INFO] [stderr]    Compiling structopt v0.2.10
[INFO] [stderr]    Compiling toml v0.4.6
[INFO] [stderr]    Compiling calculate v0.5.1
[INFO] [stderr]    Compiling ion_builtins v0.1.0 (https://github.com/redox-os/ion#51b8c4d8)
[INFO] [stderr]    Compiling plz v0.1.0 (/opt/crater/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]     Finished dev [unoptimized + debuginfo] target(s) in 1m 34s
[INFO] running `"docker" "inspect" "3174a955d185bf5e8a3f019f344ff52dff2bb6ef9199dbaa87fd40f327c093b1"`
[INFO] running `"docker" "rm" "-f" "3174a955d185bf5e8a3f019f344ff52dff2bb6ef9199dbaa87fd40f327c093b1"`
[INFO] [stdout] 3174a955d185bf5e8a3f019f344ff52dff2bb6ef9199dbaa87fd40f327c093b1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/panicbit/plz:/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" "+beta-2019-08-13" "test" "--frozen" "--no-run"`
[INFO] [stdout] e468508b35dc9c199c0dfc4e6f084a9d52c8dfaab8f0deb202cb4a04e72352aa
[INFO] running `"docker" "start" "-a" "e468508b35dc9c199c0dfc4e6f084a9d52c8dfaab8f0deb202cb4a04e72352aa"`
[INFO] [stderr]    Compiling plz v0.1.0 (/opt/crater/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]     Finished dev [unoptimized + debuginfo] target(s) in 1.49s
[INFO] running `"docker" "inspect" "e468508b35dc9c199c0dfc4e6f084a9d52c8dfaab8f0deb202cb4a04e72352aa"`
[INFO] running `"docker" "rm" "-f" "e468508b35dc9c199c0dfc4e6f084a9d52c8dfaab8f0deb202cb4a04e72352aa"`
[INFO] [stdout] e468508b35dc9c199c0dfc4e6f084a9d52c8dfaab8f0deb202cb4a04e72352aa
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/panicbit/plz:/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" "+beta-2019-08-13" "test" "--frozen"`
[INFO] [stdout] 42880730dc5c3eba506cbce65652d82c188b2d2baba7a43c5a576c62555fb05e
[INFO] running `"docker" "start" "-a" "42880730dc5c3eba506cbce65652d82c188b2d2baba7a43c5a576c62555fb05e"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.09s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/plz-d0dde1d851ed9e41
[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" "42880730dc5c3eba506cbce65652d82c188b2d2baba7a43c5a576c62555fb05e"`
[INFO] running `"docker" "rm" "-f" "42880730dc5c3eba506cbce65652d82c188b2d2baba7a43c5a576c62555fb05e"`
[INFO] [stdout] 42880730dc5c3eba506cbce65652d82c188b2d2baba7a43c5a576c62555fb05e