[INFO] cloning repository https://github.com/germankuber/rust_text_editor
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/germankuber/rust_text_editor" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgermankuber%2Frust_text_editor", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgermankuber%2Frust_text_editor'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 35a289d1be5bfb0bbea2b12c8de106632b42074b
[INFO] building germankuber/rust_text_editor against master#11663cd3bfefef7d34e8f0892c250bf698049392+rustflags=-Dtail-expr-drop-order for pr-134523
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgermankuber%2Frust_text_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/germankuber/rust_text_editor on toolchain 11663cd3bfefef7d34e8f0892c250bf698049392
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/germankuber/rust_text_editor
[INFO] finished tweaking git repo https://github.com/germankuber/rust_text_editor
[INFO] tweaked toml for git repo https://github.com/germankuber/rust_text_editor written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/germankuber/rust_text_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" "+11663cd3bfefef7d34e8f0892c250bf698049392" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6ce481fd5de901a4dad8cc68174bf55da6d72df5d20b96ac91d9b3d9fbadff4e
[INFO] running `Command { std: "docker" "start" "-a" "6ce481fd5de901a4dad8cc68174bf55da6d72df5d20b96ac91d9b3d9fbadff4e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6ce481fd5de901a4dad8cc68174bf55da6d72df5d20b96ac91d9b3d9fbadff4e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6ce481fd5de901a4dad8cc68174bf55da6d72df5d20b96ac91d9b3d9fbadff4e", kill_on_drop: false }`
[INFO] [stdout] 6ce481fd5de901a4dad8cc68174bf55da6d72df5d20b96ac91d9b3d9fbadff4e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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 -Dtail-expr-drop-order" "-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c8edea742b104433ff6b8089630819949e5796cc29c4e99da57261754bcd86d8
[INFO] running `Command { std: "docker" "start" "-a" "c8edea742b104433ff6b8089630819949e5796cc29c4e99da57261754bcd86d8", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.147
[INFO] [stderr]    Compiling numtoa v0.1.0
[INFO] [stderr]    Compiling unicode-segmentation v1.10.1
[INFO] [stderr]    Compiling termion v2.0.1
[INFO] [stderr]    Compiling hecto v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/editor.rs:173:13
[INFO] [stdout]     |
[INFO] [stdout] 173 |         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: constant `VERSION` is never used
[INFO] [stdout]  --> src/editor.rs:7:7
[INFO] [stdout]   |
[INFO] [stdout] 7 | const VERSION: &str = env!("CARGO_PKG_VERSION");
[INFO] [stdout]   |       ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `draw_row`, `draw_rows`, and `draw_welcome_message` are never used
[INFO] [stdout]    --> src/editor.rs:151:12
[INFO] [stdout]     |
[INFO] [stdout] 22  | impl Editor {
[INFO] [stdout]     | ----------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 151 |     pub fn draw_row(&self, row: &Row) {
[INFO] [stdout]     |            ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 158 |     fn draw_rows(&self) {
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 185 |     fn draw_welcome_message(&self) {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.66s
[INFO] running `Command { std: "docker" "inspect" "c8edea742b104433ff6b8089630819949e5796cc29c4e99da57261754bcd86d8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c8edea742b104433ff6b8089630819949e5796cc29c4e99da57261754bcd86d8", kill_on_drop: false }`
[INFO] [stdout] c8edea742b104433ff6b8089630819949e5796cc29c4e99da57261754bcd86d8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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 -Dtail-expr-drop-order" "-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c8207127533a225558cfc6913bee828750c292e499891d136d489485faa03b25
[INFO] running `Command { std: "docker" "start" "-a" "c8207127533a225558cfc6913bee828750c292e499891d136d489485faa03b25", kill_on_drop: false }`
[INFO] [stderr]    Compiling hecto v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/editor.rs:173:13
[INFO] [stdout]     |
[INFO] [stdout] 173 |         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: constant `VERSION` is never used
[INFO] [stdout]  --> src/editor.rs:7:7
[INFO] [stdout]   |
[INFO] [stdout] 7 | const VERSION: &str = env!("CARGO_PKG_VERSION");
[INFO] [stdout]   |       ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `draw_row`, `draw_rows`, and `draw_welcome_message` are never used
[INFO] [stdout]    --> src/editor.rs:151:12
[INFO] [stdout]     |
[INFO] [stdout] 22  | impl Editor {
[INFO] [stdout]     | ----------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 151 |     pub fn draw_row(&self, row: &Row) {
[INFO] [stdout]     |            ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 158 |     fn draw_rows(&self) {
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 185 |     fn draw_welcome_message(&self) {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.36s
[INFO] running `Command { std: "docker" "inspect" "c8207127533a225558cfc6913bee828750c292e499891d136d489485faa03b25", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c8207127533a225558cfc6913bee828750c292e499891d136d489485faa03b25", kill_on_drop: false }`
[INFO] [stdout] c8207127533a225558cfc6913bee828750c292e499891d136d489485faa03b25