[INFO] cloning repository https://github.com/nacleric/jaecheondaeseong
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/nacleric/jaecheondaeseong" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnacleric%2Fjaecheondaeseong", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnacleric%2Fjaecheondaeseong'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 229033ce191e4c16178bf219c488cfe1b12648ac
[INFO] checking nacleric/jaecheondaeseong against try#b2c2190fa7bf856bb0ed5e8806266e3a2135c6f8 for pr-78363
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnacleric%2Fjaecheondaeseong" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/nacleric/jaecheondaeseong on toolchain b2c2190fa7bf856bb0ed5e8806266e3a2135c6f8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b2c2190fa7bf856bb0ed5e8806266e3a2135c6f8" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/nacleric/jaecheondaeseong
[INFO] finished tweaking git repo https://github.com/nacleric/jaecheondaeseong
[INFO] tweaked toml for git repo https://github.com/nacleric/jaecheondaeseong written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/nacleric/jaecheondaeseong already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b2c2190fa7bf856bb0ed5e8806266e3a2135c6f8" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+b2c2190fa7bf856bb0ed5e8806266e3a2135c6f8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 99c46d6f28c725a6bcd9ac5681ed7b27d6635ac809ce2ad99bb7c7214cb5ffad
[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" "99c46d6f28c725a6bcd9ac5681ed7b27d6635ac809ce2ad99bb7c7214cb5ffad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "99c46d6f28c725a6bcd9ac5681ed7b27d6635ac809ce2ad99bb7c7214cb5ffad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "99c46d6f28c725a6bcd9ac5681ed7b27d6635ac809ce2ad99bb7c7214cb5ffad", kill_on_drop: false }`
[INFO] [stdout] 99c46d6f28c725a6bcd9ac5681ed7b27d6635ac809ce2ad99bb7c7214cb5ffad
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+b2c2190fa7bf856bb0ed5e8806266e3a2135c6f8" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4e8347fdfa1c752863be7edc94e695c81e69b89879914ce8093763532fa85958
[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" "4e8347fdfa1c752863be7edc94e695c81e69b89879914ce8093763532fa85958", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling version_check v0.9.2
[INFO] [stderr]    Compiling syn v1.0.44
[INFO] [stderr]    Compiling libc v0.2.79
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking unicode-width v0.1.8
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking termion v1.5.5
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]    Compiling thiserror-impl v1.0.21
[INFO] [stderr]    Compiling structopt-derive v0.4.13
[INFO] [stderr]     Checking thiserror v1.0.21
[INFO] [stderr]     Checking structopt v0.3.20
[INFO] [stderr]     Checking mori v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `buffer::Buffer`
[INFO] [stdout]  --> src/editor.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use buffer::Buffer;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `buffer::Buffer`
[INFO] [stdout]  --> src/editor.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use buffer::Buffer;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/editor/buffer.rs:12:12
[INFO] [stdout]    |
[INFO] [stdout] 12 |     pub fn new() -> Self {
[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: `col`
[INFO] [stdout]   --> src/editor/buffer.rs:16:12
[INFO] [stdout]    |
[INFO] [stdout] 16 |     pub fn col(&mut self) -> usize {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `set`
[INFO] [stdout]   --> src/editor/buffer.rs:20:12
[INFO] [stdout]    |
[INFO] [stdout] 20 |     pub fn set(&mut self, col: usize, row: usize) -> Result<&mut Self> {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `left`
[INFO] [stdout]   --> src/editor/buffer.rs:26:12
[INFO] [stdout]    |
[INFO] [stdout] 26 |     pub fn left(&mut self) -> Result<&mut Self> {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `right`
[INFO] [stdout]   --> src/editor/buffer.rs:34:12
[INFO] [stdout]    |
[INFO] [stdout] 34 |     pub fn right(&mut self) -> Result<&mut Self> {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `row`
[INFO] [stdout]   --> src/editor/buffer.rs:39:12
[INFO] [stdout]    |
[INFO] [stdout] 39 |     pub fn row(&mut self) -> usize {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/editor/buffer.rs:51:12
[INFO] [stdout]    |
[INFO] [stdout] 51 |     pub fn new() -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `contents`
[INFO] [stdout]   --> src/editor/buffer.rs:58:12
[INFO] [stdout]    |
[INFO] [stdout] 58 |     pub fn contents(&self) -> String {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `delete_glyph`
[INFO] [stdout]   --> src/editor/buffer.rs:62:12
[INFO] [stdout]    |
[INFO] [stdout] 62 |     pub fn delete_glyph(&mut self) -> &mut Self {
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `delete_glyphs`
[INFO] [stdout]   --> src/editor/buffer.rs:70:12
[INFO] [stdout]    |
[INFO] [stdout] 70 |     pub fn delete_glyphs(&mut self) -> &mut Self {
[INFO] [stdout]    |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `data`
[INFO] [stdout]   --> src/editor/buffer.rs:75:12
[INFO] [stdout]    |
[INFO] [stdout] 75 |     pub fn data(&self) -> String {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `insert_glyph`
[INFO] [stdout]   --> src/editor/buffer.rs:79:12
[INFO] [stdout]    |
[INFO] [stdout] 79 |     pub fn insert_glyph(&mut self, glyph: char) -> Result<&mut Self> {
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `insert_glyphs`
[INFO] [stdout]   --> src/editor/buffer.rs:86:12
[INFO] [stdout]    |
[INFO] [stdout] 86 |     pub fn insert_glyphs<I: Iterator<Item = char>>(&mut self, glyphs: I) -> Result<&mut Self> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `pos`
[INFO] [stdout]   --> src/editor/buffer.rs:95:12
[INFO] [stdout]    |
[INFO] [stdout] 95 |     pub fn pos(&self) -> Position {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `set_data`
[INFO] [stdout]   --> src/editor/buffer.rs:99:12
[INFO] [stdout]    |
[INFO] [stdout] 99 |     pub fn set_data<S: Into<String>>(&mut self, data: S) -> &mut Self {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias is never used: `Result`
[INFO] [stdout]  --> src/error.rs:3:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub type Result<T, E = Error> = std::result::Result<T, E>;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 17 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/editor/buffer.rs:12:12
[INFO] [stdout]    |
[INFO] [stdout] 12 |     pub fn new() -> Self {
[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: `left`
[INFO] [stdout]   --> src/editor/buffer.rs:26:12
[INFO] [stdout]    |
[INFO] [stdout] 26 |     pub fn left(&mut self) -> Result<&mut Self> {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `row`
[INFO] [stdout]   --> src/editor/buffer.rs:39:12
[INFO] [stdout]    |
[INFO] [stdout] 39 |     pub fn row(&mut self) -> usize {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `data`
[INFO] [stdout]   --> src/editor/buffer.rs:75:12
[INFO] [stdout]    |
[INFO] [stdout] 75 |     pub fn data(&self) -> String {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]   --> src/editor/buffer/unit_tests/set.rs:24:5
[INFO] [stdout]    |
[INFO] [stdout] 24 |     sut.set(6, 0);
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 30.85s
[INFO] running `Command { std: "docker" "inspect" "4e8347fdfa1c752863be7edc94e695c81e69b89879914ce8093763532fa85958", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4e8347fdfa1c752863be7edc94e695c81e69b89879914ce8093763532fa85958", kill_on_drop: false }`
[INFO] [stdout] 4e8347fdfa1c752863be7edc94e695c81e69b89879914ce8093763532fa85958