[INFO] cloning repository https://github.com/jpothi01/five
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jpothi01/five" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjpothi01%2Ffive", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjpothi01%2Ffive'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 93b04d9dd809727283b30c0c4640e0390e4074ed
[INFO] checking jpothi01/five against beta for pr-78714
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjpothi01%2Ffive" "/workspace/builds/worker-1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jpothi01/five on toolchain beta
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/jpothi01/five
[INFO] finished tweaking git repo https://github.com/jpothi01/five
[INFO] tweaked toml for git repo https://github.com/jpothi01/five written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/jpothi01/five already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0399a5b69474f04f2b08c23604bf317cf240cedda5c3847e15940aed9732b437
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "0399a5b69474f04f2b08c23604bf317cf240cedda5c3847e15940aed9732b437", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0399a5b69474f04f2b08c23604bf317cf240cedda5c3847e15940aed9732b437", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0399a5b69474f04f2b08c23604bf317cf240cedda5c3847e15940aed9732b437", kill_on_drop: false }`
[INFO] [stdout] 0399a5b69474f04f2b08c23604bf317cf240cedda5c3847e15940aed9732b437
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "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" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 08ccf5c9ff8a7193ea83c3264ae0159bd0e2123ac2d12bd86f43ba02b9e029b6
[INFO] running `Command { std: "docker" "start" "-a" "08ccf5c9ff8a7193ea83c3264ae0159bd0e2123ac2d12bd86f43ba02b9e029b6", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling libc v0.2.79
[INFO] [stderr]    Compiling syn v1.0.45
[INFO] [stderr]     Checking numtoa v0.1.0
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]     Checking termion v1.5.5
[INFO] [stderr]     Checking term_size v0.3.2
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]    Compiling structopt-derive v0.4.13
[INFO] [stderr]     Checking structopt v0.3.20
[INFO] [stderr]     Checking five v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/indexer/index.rs:117:31
[INFO] [stdout]     |
[INFO] [stdout] 117 |         IndexError::new(error.description())
[INFO] [stdout]     |                               ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/indexer/index.rs:117:31
[INFO] [stdout]     |
[INFO] [stdout] 117 |         IndexError::new(error.description())
[INFO] [stdout]     |                               ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `DEFAULT_INITIAL_CAPACITY`
[INFO] [stdout]   --> src/buffer.rs:76:1
[INFO] [stdout]    |
[INFO] [stdout] 76 | const DEFAULT_INITIAL_CAPACITY: usize = 10 * 1024;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Buffer`
[INFO] [stdout]   --> src/buffer.rs:78:12
[INFO] [stdout]    |
[INFO] [stdout] 78 | pub struct Buffer {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/buffer.rs:85:12
[INFO] [stdout]    |
[INFO] [stdout] 85 |     pub fn new() -> Buffer {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `with_initial_capacity`
[INFO] [stdout]   --> src/buffer.rs:89:12
[INFO] [stdout]    |
[INFO] [stdout] 89 |     pub fn with_initial_capacity(capacity: usize) -> Buffer {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get`
[INFO] [stdout]   --> src/buffer.rs:99:12
[INFO] [stdout]    |
[INFO] [stdout] 99 |     pub fn get(&self) -> (&str, &str) {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `gap_size`
[INFO] [stdout]    --> src/buffer.rs:108:8
[INFO] [stdout]     |
[INFO] [stdout] 108 |     fn gap_size(&self) -> usize {
[INFO] [stdout]     |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `insert_at_cursor`
[INFO] [stdout]    --> src/buffer.rs:112:12
[INFO] [stdout]     |
[INFO] [stdout] 112 |     pub fn insert_at_cursor(&mut self, characters: &str) {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `delete_at_cursor`
[INFO] [stdout]    --> src/buffer.rs:124:12
[INFO] [stdout]     |
[INFO] [stdout] 124 |     pub fn delete_at_cursor(&mut self, number_of_characters: usize) {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `move_cursor`
[INFO] [stdout]    --> src/buffer.rs:137:12
[INFO] [stdout]     |
[INFO] [stdout] 137 |     pub fn move_cursor(&mut self, offset: isize) {
[INFO] [stdout]     |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `move_cursor_right`
[INFO] [stdout]    --> src/buffer.rs:145:12
[INFO] [stdout]     |
[INFO] [stdout] 145 |     pub fn move_cursor_right(&mut self, number_of_characters: usize) {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `move_cursor_left`
[INFO] [stdout]    --> src/buffer.rs:160:12
[INFO] [stdout]     |
[INFO] [stdout] 160 |     pub fn move_cursor_left(&mut self, number_of_characters: usize) {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `move_cursor_to_beginning`
[INFO] [stdout]    --> src/buffer.rs:172:12
[INFO] [stdout]     |
[INFO] [stdout] 172 |     pub fn move_cursor_to_beginning(&mut self) {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `move_cursor_to_end`
[INFO] [stdout]    --> src/buffer.rs:176:12
[INFO] [stdout]     |
[INFO] [stdout] 176 |     pub fn move_cursor_to_end(&mut self) {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `move_cursor_right_to`
[INFO] [stdout]    --> src/buffer.rs:180:8
[INFO] [stdout]     |
[INFO] [stdout] 180 |     fn move_cursor_right_to(&mut self, target_cursor_buffer_index: usize) {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `move_cursor_left_to`
[INFO] [stdout]    --> src/buffer.rs:193:8
[INFO] [stdout]     |
[INFO] [stdout] 193 |     fn move_cursor_left_to(&mut self, target_cursor_buffer_index: usize) {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `grow`
[INFO] [stdout]    --> src/buffer.rs:203:8
[INFO] [stdout]     |
[INFO] [stdout] 203 |     fn grow(&mut self, target_gap_size: usize) {
[INFO] [stdout]     |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used
[INFO] [stdout]   --> src/indexer/local_index.rs:57:17
[INFO] [stdout]    |
[INFO] [stdout] 57 |                 mem::replace(index.deref_mut(), Some(Index::new(root_node)));
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: if you don't need the old value, you can just assign the new value directly
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used
[INFO] [stdout]    --> src/indexer/ssh_index.rs:161:17
[INFO] [stdout]     |
[INFO] [stdout] 161 |                 mem::replace(index.deref_mut(), Some(retrieved_index.unwrap()));
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: if you don't need the old value, you can just assign the new value directly
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 19 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `DEFAULT_INITIAL_CAPACITY`
[INFO] [stdout]   --> src/buffer.rs:76:1
[INFO] [stdout]    |
[INFO] [stdout] 76 | const DEFAULT_INITIAL_CAPACITY: usize = 10 * 1024;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/buffer.rs:85:12
[INFO] [stdout]    |
[INFO] [stdout] 85 |     pub fn new() -> Buffer {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `move_cursor_to_end`
[INFO] [stdout]    --> src/buffer.rs:176:12
[INFO] [stdout]     |
[INFO] [stdout] 176 |     pub fn move_cursor_to_end(&mut self) {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used
[INFO] [stdout]   --> src/indexer/local_index.rs:57:17
[INFO] [stdout]    |
[INFO] [stdout] 57 |                 mem::replace(index.deref_mut(), Some(Index::new(root_node)));
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: if you don't need the old value, you can just assign the new value directly
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used
[INFO] [stdout]    --> src/indexer/ssh_index.rs:161:17
[INFO] [stdout]     |
[INFO] [stdout] 161 |                 mem::replace(index.deref_mut(), Some(retrieved_index.unwrap()));
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: if you don't need the old value, you can just assign the new value directly
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 22.77s
[INFO] running `Command { std: "docker" "inspect" "08ccf5c9ff8a7193ea83c3264ae0159bd0e2123ac2d12bd86f43ba02b9e029b6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "08ccf5c9ff8a7193ea83c3264ae0159bd0e2123ac2d12bd86f43ba02b9e029b6", kill_on_drop: false }`
[INFO] [stdout] 08ccf5c9ff8a7193ea83c3264ae0159bd0e2123ac2d12bd86f43ba02b9e029b6