[INFO] cloning repository https://github.com/rmchen-12/rust_editor
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/rmchen-12/rust_editor" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frmchen-12%2Frust_editor", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frmchen-12%2Frust_editor'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] de5ad5f9a354fb38e6965baa7dfff6f9d3431c32
[INFO] checking rmchen-12/rust_editor against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frmchen-12%2Frust_editor" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/rmchen-12/rust_editor on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/rmchen-12/rust_editor
[INFO] finished tweaking git repo https://github.com/rmchen-12/rust_editor
[INFO] tweaked toml for git repo https://github.com/rmchen-12/rust_editor written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/rmchen-12/rust_editor already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4c58a04f387b851ee1c993a56d37cbbc70fb63c077baa2ac85570ec3b65142e1
[INFO] running `Command { std: "docker" "start" "-a" "4c58a04f387b851ee1c993a56d37cbbc70fb63c077baa2ac85570ec3b65142e1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4c58a04f387b851ee1c993a56d37cbbc70fb63c077baa2ac85570ec3b65142e1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4c58a04f387b851ee1c993a56d37cbbc70fb63c077baa2ac85570ec3b65142e1", kill_on_drop: false }`
[INFO] [stdout] 4c58a04f387b851ee1c993a56d37cbbc70fb63c077baa2ac85570ec3b65142e1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3905599966aef2b0e12f7e8505d0d1bd0d5d3b74a3c49e516a1d3f458665ed54
[INFO] running `Command { std: "docker" "start" "-a" "3905599966aef2b0e12f7e8505d0d1bd0d5d3b74a3c49e516a1d3f458665ed54", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.121
[INFO] [stderr]     Checking numtoa v0.1.0
[INFO] [stderr]     Checking unicode-segmentation v1.9.0
[INFO] [stderr]     Checking termion v1.5.6
[INFO] [stderr]     Checking hec v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `slice::Windows`
[INFO] [stdout]  --> src/editor.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 |     slice::Windows,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `document`, `row`
[INFO] [stdout]  --> src/editor.rs:9:13
[INFO] [stdout]   |
[INFO] [stdout] 9 | use crate::{document, row, Document, Row, Terminal};
[INFO] [stdout]   |             ^^^^^^^^  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary braces around `if` condition
[INFO] [stdout]    --> src/editor.rs:171:27
[INFO] [stdout]     |
[INFO] [stdout] 171 |                 } else if { y > 0 } {
[INFO] [stdout]     |                           ^^     ^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_braces)]` on by default
[INFO] [stdout] help: remove these braces
[INFO] [stdout]     |
[INFO] [stdout] 171 -                 } else if { y > 0 } {
[INFO] [stdout] 171 +                 } else if y > 0 {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `slice::Windows`
[INFO] [stdout]  --> src/editor.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 |     slice::Windows,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `document`, `row`
[INFO] [stdout]  --> src/editor.rs:9:13
[INFO] [stdout]   |
[INFO] [stdout] 9 | use crate::{document, row, Document, Row, Terminal};
[INFO] [stdout]   |             ^^^^^^^^  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary braces around `if` condition
[INFO] [stdout]    --> src/editor.rs:171:27
[INFO] [stdout]     |
[INFO] [stdout] 171 |                 } else if { y > 0 } {
[INFO] [stdout]     |                           ^^     ^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_braces)]` on by default
[INFO] [stdout] help: remove these braces
[INFO] [stdout]     |
[INFO] [stdout] 171 -                 } else if { y > 0 } {
[INFO] [stdout] 171 +                 } else if y > 0 {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/editor.rs:221:13
[INFO] [stdout]     |
[INFO] [stdout] 221 |         let mut offset = &mut self.offset;
[INFO] [stdout]     |             ----^^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/editor.rs:221:13
[INFO] [stdout]     |
[INFO] [stdout] 221 |         let mut offset = &mut self.offset;
[INFO] [stdout]     |             ----^^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.05s
[INFO] running `Command { std: "docker" "inspect" "3905599966aef2b0e12f7e8505d0d1bd0d5d3b74a3c49e516a1d3f458665ed54", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3905599966aef2b0e12f7e8505d0d1bd0d5d3b74a3c49e516a1d3f458665ed54", kill_on_drop: false }`
[INFO] [stdout] 3905599966aef2b0e12f7e8505d0d1bd0d5d3b74a3c49e516a1d3f458665ed54