[INFO] cloning repository https://github.com/AlbertoCaballero/termgraph
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/AlbertoCaballero/termgraph" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAlbertoCaballero%2Ftermgraph", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAlbertoCaballero%2Ftermgraph'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8a9151a2d6c826918c986e92fc4a6f8d3aab1ab4
[INFO] checking AlbertoCaballero/termgraph against master#3e826bb11228508fbe749e594038d6727208aa94 for pr-82322
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAlbertoCaballero%2Ftermgraph" "/workspace/builds/worker-13/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-13/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/AlbertoCaballero/termgraph on toolchain 3e826bb11228508fbe749e594038d6727208aa94
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e826bb11228508fbe749e594038d6727208aa94" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/AlbertoCaballero/termgraph
[INFO] finished tweaking git repo https://github.com/AlbertoCaballero/termgraph
[INFO] tweaked toml for git repo https://github.com/AlbertoCaballero/termgraph written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] crate git repo https://github.com/AlbertoCaballero/termgraph already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e826bb11228508fbe749e594038d6727208aa94" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "+3e826bb11228508fbe749e594038d6727208aa94" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1ed2b8955326df9139434e0a1947f00b3056efcf668e87bf316c24a5c0a84b1e
[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" "1ed2b8955326df9139434e0a1947f00b3056efcf668e87bf316c24a5c0a84b1e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1ed2b8955326df9139434e0a1947f00b3056efcf668e87bf316c24a5c0a84b1e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1ed2b8955326df9139434e0a1947f00b3056efcf668e87bf316c24a5c0a84b1e", kill_on_drop: false }`
[INFO] [stdout] 1ed2b8955326df9139434e0a1947f00b3056efcf668e87bf316c24a5c0a84b1e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "+3e826bb11228508fbe749e594038d6727208aa94" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4c0ebb71fac7d9a3dcd228181cc833d7b668fbd4319670b476f4a29e84451c0a
[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" "4c0ebb71fac7d9a3dcd228181cc833d7b668fbd4319670b476f4a29e84451c0a", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.80
[INFO] [stderr]     Checking term_size v0.3.2
[INFO] [stderr]     Checking hello_cargo v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `y`
[INFO] [stdout]  --> src/draw.rs:1:25
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn square(x: usize, y: usize, width: usize, screen: String, fill: char) -> String {
[INFO] [stdout]   |                         ^ help: if this is intentional, prefix it with an underscore: `_y`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `square`
[INFO] [stdout]  --> src/draw.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn square(x: usize, y: usize, width: usize, screen: String, fill: char) -> String {
[INFO] [stdout]   |        ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `y`
[INFO] [stdout]  --> src/draw.rs:1:25
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn square(x: usize, y: usize, width: usize, screen: String, fill: char) -> String {
[INFO] [stdout]   |                         ^ help: if this is intentional, prefix it with an underscore: `_y`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `square`
[INFO] [stdout]  --> src/draw.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn square(x: usize, y: usize, width: usize, screen: String, fill: char) -> String {
[INFO] [stdout]   |        ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.37s
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "4c0ebb71fac7d9a3dcd228181cc833d7b668fbd4319670b476f4a29e84451c0a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4c0ebb71fac7d9a3dcd228181cc833d7b668fbd4319670b476f4a29e84451c0a", kill_on_drop: false }`
[INFO] [stdout] 4c0ebb71fac7d9a3dcd228181cc833d7b668fbd4319670b476f4a29e84451c0a