[INFO] cloning repository https://github.com/arlac77/rust-cli-util
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/arlac77/rust-cli-util" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Farlac77%2Frust-cli-util", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Farlac77%2Frust-cli-util'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 90aee8e7ca67e6977f76cea94f77ada8a4cecd00
[INFO] checking arlac77/rust-cli-util against try#32cb8dc6fdc8140b91f4d17c4883e528db4e7e6d for pr-83312
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Farlac77%2Frust-cli-util" "/workspace/builds/worker-8/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/arlac77/rust-cli-util on toolchain 32cb8dc6fdc8140b91f4d17c4883e528db4e7e6d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+32cb8dc6fdc8140b91f4d17c4883e528db4e7e6d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/arlac77/rust-cli-util
[INFO] finished tweaking git repo https://github.com/arlac77/rust-cli-util
[INFO] tweaked toml for git repo https://github.com/arlac77/rust-cli-util written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/arlac77/rust-cli-util already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+32cb8dc6fdc8140b91f4d17c4883e528db4e7e6d" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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@sha256:4f92631de1aa59f8320307485d3b3c869a5c90ab1d76ce2cffab9807b8c9a1fb" "/opt/rustwide/cargo-home/bin/cargo" "+32cb8dc6fdc8140b91f4d17c4883e528db4e7e6d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] eb1e7ae2b865b3c39d66a090f510f5ada16767b83a9bd8608b2df340a19f1c87
[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" "eb1e7ae2b865b3c39d66a090f510f5ada16767b83a9bd8608b2df340a19f1c87", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "eb1e7ae2b865b3c39d66a090f510f5ada16767b83a9bd8608b2df340a19f1c87", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eb1e7ae2b865b3c39d66a090f510f5ada16767b83a9bd8608b2df340a19f1c87", kill_on_drop: false }`
[INFO] [stdout] eb1e7ae2b865b3c39d66a090f510f5ada16767b83a9bd8608b2df340a19f1c87
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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@sha256:4f92631de1aa59f8320307485d3b3c869a5c90ab1d76ce2cffab9807b8c9a1fb" "/opt/rustwide/cargo-home/bin/cargo" "+32cb8dc6fdc8140b91f4d17c4883e528db4e7e6d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5281986e18f5ec3f610db14f3ca21c5509a3415694ba46f2feec08cecc0cf94d
[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" "5281986e18f5ec3f610db14f3ca21c5509a3415694ba46f2feec08cecc0cf94d", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.81
[INFO] [stderr]     Checking numtoa v0.1.0
[INFO] [stderr]     Checking termion v1.5.5
[INFO] [stderr]     Checking cli_util v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> examples/main.rs:59:17
[INFO] [stdout]    |
[INFO] [stdout] 59 | /                 write!(
[INFO] [stdout] 60 | |                     stdout,
[INFO] [stdout] 61 | |                     "{}{}q",
[INFO] [stdout] 62 | |                     termion::clear::All,
[INFO] [stdout] 63 | |                     termion::cursor::Goto(x, y)
[INFO] [stdout] 64 | |                 );
[INFO] [stdout]    | |__________________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.23s
[INFO] running `Command { std: "docker" "inspect" "5281986e18f5ec3f610db14f3ca21c5509a3415694ba46f2feec08cecc0cf94d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5281986e18f5ec3f610db14f3ca21c5509a3415694ba46f2feec08cecc0cf94d", kill_on_drop: false }`
[INFO] [stdout] 5281986e18f5ec3f610db14f3ca21c5509a3415694ba46f2feec08cecc0cf94d