[INFO] updating cached repository https://github.com/joshua-cooper/nem
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/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] 4b544406da081e0cce23b769903c47775a6665b5
[INFO] testing joshua-cooper/nem against beta-2019-09-28 for beta-1.39-1
[INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjoshua-cooper%2Fnem" "work/builds/worker-0/source"`
[INFO] [stderr] Cloning into 'work/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/joshua-cooper/nem on toolchain beta-2019-09-28
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/joshua-cooper/nem
[INFO] finished tweaking git repo https://github.com/joshua-cooper/nem
[INFO] tweaked toml for git repo https://github.com/joshua-cooper/nem written to work/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/joshua-cooper/nem already has a lockfile, it will not be regenerated
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-0/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/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=warn" "-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" "+beta-2019-09-28" "build" "--frozen"`
[INFO] [stdout] e904e3d000d3cc5f2d0b23961407b7f66c2ca08d449cb4cbce42b9977c55f388
[INFO] running `"docker" "start" "-a" "e904e3d000d3cc5f2d0b23961407b7f66c2ca08d449cb4cbce42b9977c55f388"`
[INFO] [stderr]    Compiling ropey v1.0.1
[INFO] [stderr]    Compiling getrandom v0.1.8
[INFO] [stderr]    Compiling rand_core v0.5.0
[INFO] [stderr]    Compiling rand_chacha v0.2.1
[INFO] [stderr]    Compiling rand v0.7.0
[INFO] [stderr]    Compiling nem v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused import: `super::*`
[INFO] [stderr]    --> src/buffer.rs:106:9
[INFO] [stderr]     |
[INFO] [stderr] 106 |     use super::*;
[INFO] [stderr]     |         ^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `error`
[INFO] [stderr]   --> src/buffer.rs:13:13
[INFO] [stderr]    |
[INFO] [stderr] 13 |     fn from(error: std::io::Error) -> Self {
[INFO] [stderr]    |             ^^^^^ help: consider prefixing with an underscore: `_error`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `buffers`
[INFO] [stderr]  --> src/editor.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 |     buffers: Vec<Buffer>,
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `modes`
[INFO] [stderr]  --> src/editor.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 |     modes: Vec<Mode>,
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `layers`
[INFO] [stderr]  --> src/editor.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 |     layers: Vec<Layer>,
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `name`
[INFO] [stderr]   --> src/buffer.rs:23:5
[INFO] [stderr]    |
[INFO] [stderr] 23 |     name: String,
[INFO] [stderr]    |     ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `cursors`
[INFO] [stderr]   --> src/buffer.rs:25:5
[INFO] [stderr]    |
[INFO] [stderr] 25 |     cursors: Vec<Cursor>,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `keybinds`
[INFO] [stderr]   --> src/buffer.rs:27:5
[INFO] [stderr]    |
[INFO] [stderr] 27 |     keybinds: Vec<Keybind>,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `modes`
[INFO] [stderr]   --> src/buffer.rs:28:5
[INFO] [stderr]    |
[INFO] [stderr] 28 |     modes: Vec<Mode>,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `read_only`
[INFO] [stderr]   --> src/buffer.rs:29:5
[INFO] [stderr]    |
[INFO] [stderr] 29 |     read_only: bool,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `description`
[INFO] [stderr]  --> src/keybind.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 |     description: String,
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `name`
[INFO] [stderr]  --> src/mode.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 |     name: String,
[INFO] [stderr]   |     ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `priority`
[INFO] [stderr]  --> src/mode.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 |     priority: i32,
[INFO] [stderr]   |     ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `keybinds`
[INFO] [stderr]  --> src/mode.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 |     keybinds: Vec<Keybind>,
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `name`
[INFO] [stderr]  --> src/layer.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 |     name: String
[INFO] [stderr]   |     ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.96s
[INFO] running `"docker" "inspect" "e904e3d000d3cc5f2d0b23961407b7f66c2ca08d449cb4cbce42b9977c55f388"`
[INFO] running `"docker" "rm" "-f" "e904e3d000d3cc5f2d0b23961407b7f66c2ca08d449cb4cbce42b9977c55f388"`
[INFO] [stdout] e904e3d000d3cc5f2d0b23961407b7f66c2ca08d449cb4cbce42b9977c55f388
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-0/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/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=warn" "-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" "+beta-2019-09-28" "test" "--frozen" "--no-run"`
[INFO] [stdout] 6a3013f1de31d3795ddc03a3d692d299c7cb8d2d4a8ff5d7d3f31aa43bbf3921
[INFO] running `"docker" "start" "-a" "6a3013f1de31d3795ddc03a3d692d299c7cb8d2d4a8ff5d7d3f31aa43bbf3921"`
[INFO] [stderr]    Compiling nem v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused variable: `error`
[INFO] [stderr]   --> src/buffer.rs:13:13
[INFO] [stderr]    |
[INFO] [stderr] 13 |     fn from(error: std::io::Error) -> Self {
[INFO] [stderr]    |             ^^^^^ help: consider prefixing with an underscore: `_error`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `i`
[INFO] [stderr]    --> src/buffer.rs:112:13
[INFO] [stderr]     |
[INFO] [stderr] 112 |         for i in 0..length {
[INFO] [stderr]     |             ^ help: consider prefixing with an underscore: `_i`
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `buffers`
[INFO] [stderr]  --> src/editor.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 |     buffers: Vec<Buffer>,
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `modes`
[INFO] [stderr]  --> src/editor.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 |     modes: Vec<Mode>,
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `layers`
[INFO] [stderr]  --> src/editor.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 |     layers: Vec<Layer>,
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `cursors`
[INFO] [stderr]   --> src/buffer.rs:25:5
[INFO] [stderr]    |
[INFO] [stderr] 25 |     cursors: Vec<Cursor>,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `keybinds`
[INFO] [stderr]   --> src/buffer.rs:27:5
[INFO] [stderr]    |
[INFO] [stderr] 27 |     keybinds: Vec<Keybind>,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `modes`
[INFO] [stderr]   --> src/buffer.rs:28:5
[INFO] [stderr]    |
[INFO] [stderr] 28 |     modes: Vec<Mode>,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `read_only`
[INFO] [stderr]   --> src/buffer.rs:29:5
[INFO] [stderr]    |
[INFO] [stderr] 29 |     read_only: bool,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `description`
[INFO] [stderr]  --> src/keybind.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 |     description: String,
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `name`
[INFO] [stderr]  --> src/mode.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 |     name: String,
[INFO] [stderr]   |     ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `priority`
[INFO] [stderr]  --> src/mode.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 |     priority: i32,
[INFO] [stderr]   |     ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `keybinds`
[INFO] [stderr]  --> src/mode.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 |     keybinds: Vec<Keybind>,
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `name`
[INFO] [stderr]  --> src/layer.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 |     name: String
[INFO] [stderr]   |     ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.61s
[INFO] running `"docker" "inspect" "6a3013f1de31d3795ddc03a3d692d299c7cb8d2d4a8ff5d7d3f31aa43bbf3921"`
[INFO] running `"docker" "rm" "-f" "6a3013f1de31d3795ddc03a3d692d299c7cb8d2d4a8ff5d7d3f31aa43bbf3921"`
[INFO] [stdout] 6a3013f1de31d3795ddc03a3d692d299c7cb8d2d4a8ff5d7d3f31aa43bbf3921
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-0/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/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=warn" "-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" "+beta-2019-09-28" "test" "--frozen"`
[INFO] [stdout] f7b0a4b4ca55be16dec386c84e5395fb30b9cdaa71af7287e201223747e06257
[INFO] running `"docker" "start" "-a" "f7b0a4b4ca55be16dec386c84e5395fb30b9cdaa71af7287e201223747e06257"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/nem-0653362b287435ac
[INFO] [stdout] 
[INFO] [stdout] running 21 tests
[INFO] [stdout] test buffer::tests::new_buffer_with_name ... ok
[INFO] [stdout] test cursor::tests::get_cursor_column ... ok
[INFO] [stdout] test cursor::tests::get_cursor_line ... ok
[INFO] [stdout] test cursor::tests::move_cursor ... ok
[INFO] [stdout] test cursor::tests::move_cursor_before_first_column ... ok
[INFO] [stdout] test cursor::tests::move_cursor_before_first_line ... ok
[INFO] [stdout] test cursor::tests::move_cursor_before_first_line_and_column ... ok
[INFO] [stdout] test cursor::tests::move_cursor_down ... ok
[INFO] [stdout] test cursor::tests::move_cursor_left ... ok
[INFO] [stdout] test cursor::tests::move_cursor_left_before_first_column ... ok
[INFO] [stdout] test cursor::tests::move_cursor_left_before_first_line ... ok
[INFO] [stdout] test cursor::tests::move_cursor_right ... ok
[INFO] [stdout] test cursor::tests::move_cursor_to_column ... ok
[INFO] [stdout] test cursor::tests::move_cursor_to_line ... ok
[INFO] [stdout] test cursor::tests::move_cursor_up ... ok
[INFO] [stdout] test cursor::tests::new_cursor ... ok
[INFO] [stdout] test cursor::tests::new_cursor_at_position ... ok
[INFO] [stdout] test cursor::tests::new_cursor_before_first_column ... ok
[INFO] [stdout] test cursor::tests::new_cursor_before_first_line_and_column ... ok
[INFO] [stdout] test cursor::tests::new_cursor_before_first_line ... ok
[INFO] [stdout] test buffer::tests::unique_auto_buffer_names ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 21 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/nem-b059bdac7ab62f81
[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] [stderr]    Doc-tests nem
[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" "f7b0a4b4ca55be16dec386c84e5395fb30b9cdaa71af7287e201223747e06257"`
[INFO] running `"docker" "rm" "-f" "f7b0a4b4ca55be16dec386c84e5395fb30b9cdaa71af7287e201223747e06257"`
[INFO] [stdout] f7b0a4b4ca55be16dec386c84e5395fb30b9cdaa71af7287e201223747e06257