[INFO] cloning repository https://github.com/joshua-cooper/nem
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/joshua-cooper/nem" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjoshua-cooper%2Fnem"`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjoshua-cooper%2Fnem'...
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 4b544406da081e0cce23b769903c47775a6665b5
[INFO] checking joshua-cooper/nem against master#2748a9fd93dd1a00a4521f4f16de5befbf77f6cd for pr-62262-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjoshua-cooper%2Fnem" "/workspace/builds/worker-9/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/joshua-cooper/nem on toolchain 2748a9fd93dd1a00a4521f4f16de5befbf77f6cd
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "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 /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate git repo https://github.com/joshua-cooper/nem already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-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" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] a709cec1fab1209c8133c0cfcefadd769f8b02d21a1ba64e7719e16c832bc8a3
[INFO] running `"docker" "start" "-a" "a709cec1fab1209c8133c0cfcefadd769f8b02d21a1ba64e7719e16c832bc8a3"`
[INFO] [stderr]     Checking ropey v1.0.1
[INFO] [stderr]     Checking getrandom v0.1.8
[INFO] [stderr]     Checking rand_core v0.5.0
[INFO] [stderr]     Checking rand_chacha v0.2.1
[INFO] [stderr]     Checking rand v0.7.0
[INFO] [stderr]     Checking 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: 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: 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] 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 6.47s
[INFO] running `"docker" "inspect" "a709cec1fab1209c8133c0cfcefadd769f8b02d21a1ba64e7719e16c832bc8a3"`
[INFO] running `"docker" "rm" "-f" "a709cec1fab1209c8133c0cfcefadd769f8b02d21a1ba64e7719e16c832bc8a3"`
[INFO] [stdout] a709cec1fab1209c8133c0cfcefadd769f8b02d21a1ba64e7719e16c832bc8a3