[INFO] cloning repository https://github.com/ioncodes/hipster-intro
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ioncodes/hipster-intro" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fioncodes%2Fhipster-intro"`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fioncodes%2Fhipster-intro'...
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] d1bfb993a349d1961e8817852fa3d867763f6418
[INFO] checking ioncodes/hipster-intro against master#914adf04af1c1a984707f778da3d04590c03d144 for pr-72331
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fioncodes%2Fhipster-intro" "/workspace/builds/worker-3/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ioncodes/hipster-intro on toolchain 914adf04af1c1a984707f778da3d04590c03d144
[INFO] running `"/workspace/cargo-home/bin/cargo" "+914adf04af1c1a984707f778da3d04590c03d144" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/ioncodes/hipster-intro
[INFO] finished tweaking git repo https://github.com/ioncodes/hipster-intro
[INFO] tweaked toml for git repo https://github.com/ioncodes/hipster-intro written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/ioncodes/hipster-intro already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+914adf04af1c1a984707f778da3d04590c03d144" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+914adf04af1c1a984707f778da3d04590c03d144" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] d0185613b2aede6968e192b815ec862ace66c6c5217d60a8480c902c7ab01207
[INFO] running `"docker" "start" "-a" "d0185613b2aede6968e192b815ec862ace66c6c5217d60a8480c902c7ab01207"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]     Checking libc v0.2.29
[INFO] [stderr]    Compiling gcc v0.3.51
[INFO] [stderr]     Checking lazy_static v0.2.8
[INFO] [stderr]    Compiling x11-dl v2.14.0
[INFO] [stderr]     Checking time v0.1.38
[INFO] [stderr]    Compiling minifb v0.9.2
[INFO] [stderr]     Checking hipster-intro v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused variable: `rasterbar`
[INFO] [stderr]  --> src/main.rs:6:9
[INFO] [stderr]   |
[INFO] [stderr] 6 |     let rasterbar = Rasterbar::new();
[INFO] [stderr]   |         ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_rasterbar`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `rasterbar`
[INFO] [stderr]  --> src/main.rs:6:9
[INFO] [stderr]   |
[INFO] [stderr] 6 |     let rasterbar = Rasterbar::new();
[INFO] [stderr]   |         ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_rasterbar`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.96s
[INFO] running `"docker" "inspect" "d0185613b2aede6968e192b815ec862ace66c6c5217d60a8480c902c7ab01207"`
[INFO] running `"docker" "rm" "-f" "d0185613b2aede6968e192b815ec862ace66c6c5217d60a8480c902c7ab01207"`
[INFO] [stdout] d0185613b2aede6968e192b815ec862ace66c6c5217d60a8480c902c7ab01207