[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#9ba3d315b4b2bea7485071eaf4b2681320cd2a27 for pr-124592
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frmchen-12%2Frust_editor" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/rmchen-12/rust_editor on toolchain 9ba3d315b4b2bea7485071eaf4b2681320cd2a27
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9ba3d315b4b2bea7485071eaf4b2681320cd2a27" "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-2-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" "+9ba3d315b4b2bea7485071eaf4b2681320cd2a27" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[ERROR] this task or one of its parent failed!
[ERROR] no output for 300 seconds
[ERROR] note: run with `RUST_BACKTRACE=1` to display a backtrace.
[INFO] checking rmchen-12/rust_editor against try#2466b92ed5feb282a98bb984f45d1e6d39f8c1aa for pr-124592
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frmchen-12%2Frust_editor" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/rmchen-12/rust_editor on toolchain 2466b92ed5feb282a98bb984f45d1e6d39f8c1aa
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2466b92ed5feb282a98bb984f45d1e6d39f8c1aa" "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-2-tc2/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" "+2466b92ed5feb282a98bb984f45d1e6d39f8c1aa" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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@sha256:99613afd962a8cfa530ec1899472a458bd015a1ab0af876cf7eb06f6006d81ea" "/opt/rustwide/cargo-home/bin/cargo" "+2466b92ed5feb282a98bb984f45d1e6d39f8c1aa" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d624ae698483df75084703430c8b62aefaa24c9ea5927c19f7f0c3bd5f89cc67
[INFO] running `Command { std: "docker" "start" "-a" "d624ae698483df75084703430c8b62aefaa24c9ea5927c19f7f0c3bd5f89cc67", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d624ae698483df75084703430c8b62aefaa24c9ea5927c19f7f0c3bd5f89cc67", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d624ae698483df75084703430c8b62aefaa24c9ea5927c19f7f0c3bd5f89cc67", kill_on_drop: false }`
[INFO] [stdout] d624ae698483df75084703430c8b62aefaa24c9ea5927c19f7f0c3bd5f89cc67
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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@sha256:99613afd962a8cfa530ec1899472a458bd015a1ab0af876cf7eb06f6006d81ea" "/opt/rustwide/cargo-home/bin/cargo" "+2466b92ed5feb282a98bb984f45d1e6d39f8c1aa" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 91bef7e4146b86bc0ef37872f2b57dd81de84bcca075e9a10ffa66a79acbd0f6
[INFO] running `Command { std: "docker" "start" "-a" "91bef7e4146b86bc0ef37872f2b57dd81de84bcca075e9a10ffa66a79acbd0f6", 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: 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: 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 1.48s
[INFO] running `Command { std: "docker" "inspect" "91bef7e4146b86bc0ef37872f2b57dd81de84bcca075e9a10ffa66a79acbd0f6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "91bef7e4146b86bc0ef37872f2b57dd81de84bcca075e9a10ffa66a79acbd0f6", kill_on_drop: false }`
[INFO] [stdout] 91bef7e4146b86bc0ef37872f2b57dd81de84bcca075e9a10ffa66a79acbd0f6