[INFO] cloning repository https://github.com/anna-liao/writeLED-rs
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/anna-liao/writeLED-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fanna-liao%2FwriteLED-rs"`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fanna-liao%2FwriteLED-rs'...
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 6d2f145c1640045ed21f304172631e3df10be848
[INFO] checking anna-liao/writeLED-rs against master#2748a9fd93dd1a00a4521f4f16de5befbf77f6cd for pr-62262-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fanna-liao%2FwriteLED-rs" "/workspace/builds/worker-10/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-10/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/anna-liao/writeLED-rs on toolchain 2748a9fd93dd1a00a4521f4f16de5befbf77f6cd
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/anna-liao/writeLED-rs
[INFO] finished tweaking git repo https://github.com/anna-liao/writeLED-rs
[INFO] tweaked toml for git repo https://github.com/anna-liao/writeLED-rs written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] crate git repo https://github.com/anna-liao/writeLED-rs already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "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] f3cd53af864b2af8088a6d458e55615295118512a40f1961a7b0a9aa82faf2e9
[INFO] running `"docker" "start" "-a" "f3cd53af864b2af8088a6d458e55615295118512a40f1961a7b0a9aa82faf2e9"`
[INFO] [stderr]     Checking findfile v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:59:33
[INFO] [stderr]    |
[INFO] [stderr] 59 | fn try_main() -> Result<(), Box<Error>> {
[INFO] [stderr]    |                                 ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:59:33
[INFO] [stderr]    |
[INFO] [stderr] 59 | fn try_main() -> Result<(), Box<Error>> {
[INFO] [stderr]    |                                 ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.39s
[INFO] running `"docker" "inspect" "f3cd53af864b2af8088a6d458e55615295118512a40f1961a7b0a9aa82faf2e9"`
[INFO] running `"docker" "rm" "-f" "f3cd53af864b2af8088a6d458e55615295118512a40f1961a7b0a9aa82faf2e9"`
[INFO] [stdout] f3cd53af864b2af8088a6d458e55615295118512a40f1961a7b0a9aa82faf2e9