[INFO] cloning repository https://github.com/crossterm-rs/examples
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/crossterm-rs/examples" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcrossterm-rs%2Fexamples", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcrossterm-rs%2Fexamples'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 51ef3de413d8f673690b2c7d47a73928f59b92df
[INFO] checking crossterm-rs/examples against master#9503ea19edbf01b9435e80e17d60ce1b88390116 for pr-81782
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcrossterm-rs%2Fexamples" "/workspace/builds/worker-9/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/crossterm-rs/examples on toolchain 9503ea19edbf01b9435e80e17d60ce1b88390116
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9503ea19edbf01b9435e80e17d60ce1b88390116" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/crossterm-rs/examples
[INFO] finished tweaking git repo https://github.com/crossterm-rs/examples
[INFO] tweaked toml for git repo https://github.com/crossterm-rs/examples written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate git repo https://github.com/crossterm-rs/examples already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9503ea19edbf01b9435e80e17d60ce1b88390116" "fetch" "--locked" "--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-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+9503ea19edbf01b9435e80e17d60ce1b88390116" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 24a16688996ffde60a70843cf30720806a70ee2d351dc52d37a1bbebe988660e
[INFO] running `Command { std: "docker" "start" "-a" "24a16688996ffde60a70843cf30720806a70ee2d351dc52d37a1bbebe988660e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "24a16688996ffde60a70843cf30720806a70ee2d351dc52d37a1bbebe988660e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "24a16688996ffde60a70843cf30720806a70ee2d351dc52d37a1bbebe988660e", kill_on_drop: false }`
[INFO] [stdout] 24a16688996ffde60a70843cf30720806a70ee2d351dc52d37a1bbebe988660e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+9503ea19edbf01b9435e80e17d60ce1b88390116" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4a6178368cc181ac1f53ef408a2d8e17f07b7b359bf82b10de089991dce3ac57
[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" "4a6178368cc181ac1f53ef408a2d8e17f07b7b359bf82b10de089991dce3ac57", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.65
[INFO] [stderr]     Checking net2 v0.2.33
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking mio v0.6.19
[INFO] [stderr]     Checking crossterm v0.12.1 (https://github.com/crossterm-rs/crossterm#f2a4df20)
[INFO] [stderr]     Checking crossterm-examples v0.0.1 (/opt/rustwide/workdir/examples)
[INFO] [stderr]     Checking first-depth-search v0.0.1 (/opt/rustwide/workdir/first-depth-search)
[INFO] [stderr]     Checking snake v0.0.1 (/opt/rustwide/workdir/snake)
[INFO] [stdout] warning: unused variable: `count`
[INFO] [stdout]   --> examples/src/bin/command_bar.rs:78:13
[INFO] [stdout]    |
[INFO] [stdout] 78 |             count += 1;
[INFO] [stdout]    |             ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout]    = help: did you mean to capture by reference instead?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `count`
[INFO] [stdout]   --> examples/src/bin/command_bar.rs:78:13
[INFO] [stdout]    |
[INFO] [stdout] 78 |             count += 1;
[INFO] [stdout]    |             ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout]    = help: did you mean to capture by reference instead?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.95s
[INFO] running `Command { std: "docker" "inspect" "4a6178368cc181ac1f53ef408a2d8e17f07b7b359bf82b10de089991dce3ac57", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4a6178368cc181ac1f53ef408a2d8e17f07b7b359bf82b10de089991dce3ac57", kill_on_drop: false }`
[INFO] [stdout] 4a6178368cc181ac1f53ef408a2d8e17f07b7b359bf82b10de089991dce3ac57