[INFO] cloning repository https://github.com/lfkeitel/poe
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/lfkeitel/poe" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flfkeitel%2Fpoe", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flfkeitel%2Fpoe'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 06529628af7e3ca4062f1fe334bf752b66bb7a3e
[INFO] checking lfkeitel/poe against beta for pr-78714
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flfkeitel%2Fpoe" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/lfkeitel/poe 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/lfkeitel/poe
[INFO] finished tweaking git repo https://github.com/lfkeitel/poe
[INFO] tweaked toml for git repo https://github.com/lfkeitel/poe written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/lfkeitel/poe 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] 0bd418160d839f419e68df7c39af73a3be99032cad4dea1c319dc887298f0142
[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" "0bd418160d839f419e68df7c39af73a3be99032cad4dea1c319dc887298f0142", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0bd418160d839f419e68df7c39af73a3be99032cad4dea1c319dc887298f0142", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0bd418160d839f419e68df7c39af73a3be99032cad4dea1c319dc887298f0142", kill_on_drop: false }`
[INFO] [stdout] 0bd418160d839f419e68df7c39af73a3be99032cad4dea1c319dc887298f0142
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] [stdout] bfc2680b0e50fd3c062782cb2b5ba957b2e22cea7e58d8a2e86b731fd7cd4bf4
[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" "bfc2680b0e50fd3c062782cb2b5ba957b2e22cea7e58d8a2e86b731fd7cd4bf4", kill_on_drop: false }`
[INFO] [stderr]     Checking termion v1.5.5
[INFO] [stderr]     Checking poe v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `args`
[INFO] [stdout]    --> src/editor.rs:120:29
[INFO] [stdout]     |
[INFO] [stdout] 120 |     fn edit_mode(&mut self, args: &[&str]) {
[INFO] [stdout]     |                             ^^^^ help: if this is intentional, prefix it with an underscore: `_args`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `args`
[INFO] [stdout]    --> src/editor.rs:232:31
[INFO] [stdout]     |
[INFO] [stdout] 232 |     fn delete_line(&mut self, args: &[&str]) {
[INFO] [stdout]     |                               ^^^^ help: if this is intentional, prefix it with an underscore: `_args`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `MAX_HISTORY_ITEMS`
[INFO] [stdout]   --> src/terminal.rs:10:1
[INFO] [stdout]    |
[INFO] [stdout] 10 | const MAX_HISTORY_ITEMS: usize = 10000;
[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/terminal.rs:19:12
[INFO] [stdout]    |
[INFO] [stdout] 19 |     pub fn new<P: AsRef<Path>>(history_file: P) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `load_history`
[INFO] [stdout]   --> src/terminal.rs:35:12
[INFO] [stdout]    |
[INFO] [stdout] 35 |     pub fn load_history(&mut self) -> io::Result<()> {
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `write_history_file`
[INFO] [stdout]   --> src/terminal.rs:75:12
[INFO] [stdout]    |
[INFO] [stdout] 75 |     pub fn write_history_file(&mut self) -> io::Result<()> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `args`
[INFO] [stdout]    --> src/editor.rs:120:29
[INFO] [stdout]     |
[INFO] [stdout] 120 |     fn edit_mode(&mut self, args: &[&str]) {
[INFO] [stdout]     |                             ^^^^ help: if this is intentional, prefix it with an underscore: `_args`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `args`
[INFO] [stdout]    --> src/editor.rs:232:31
[INFO] [stdout]     |
[INFO] [stdout] 232 |     fn delete_line(&mut self, args: &[&str]) {
[INFO] [stdout]     |                               ^^^^ help: if this is intentional, prefix it with an underscore: `_args`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `MAX_HISTORY_ITEMS`
[INFO] [stdout]   --> src/terminal.rs:10:1
[INFO] [stdout]    |
[INFO] [stdout] 10 | const MAX_HISTORY_ITEMS: usize = 10000;
[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/terminal.rs:19:12
[INFO] [stdout]    |
[INFO] [stdout] 19 |     pub fn new<P: AsRef<Path>>(history_file: P) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `load_history`
[INFO] [stdout]   --> src/terminal.rs:35:12
[INFO] [stdout]    |
[INFO] [stdout] 35 |     pub fn load_history(&mut self) -> io::Result<()> {
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `write_history_file`
[INFO] [stdout]   --> src/terminal.rs:75:12
[INFO] [stdout]    |
[INFO] [stdout] 75 |     pub fn write_history_file(&mut self) -> io::Result<()> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.07s
[INFO] running `Command { std: "docker" "inspect" "bfc2680b0e50fd3c062782cb2b5ba957b2e22cea7e58d8a2e86b731fd7cd4bf4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bfc2680b0e50fd3c062782cb2b5ba957b2e22cea7e58d8a2e86b731fd7cd4bf4", kill_on_drop: false }`
[INFO] [stdout] bfc2680b0e50fd3c062782cb2b5ba957b2e22cea7e58d8a2e86b731fd7cd4bf4