[INFO] cloning repository https://github.com/pepsi/pep
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/pepsi/pep" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpepsi%2Fpep", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpepsi%2Fpep'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 79b06db6fa555b8bf1bd2be620560211044bb87b
[INFO] checking pepsi/pep against master#a5f164faad4a2fed606b8160fd7ecd2d5cbba381 for pr-84920
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpepsi%2Fpep" "/workspace/builds/worker-14/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-14/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/pepsi/pep on toolchain a5f164faad4a2fed606b8160fd7ecd2d5cbba381
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/pepsi/pep
[INFO] finished tweaking git repo https://github.com/pepsi/pep
[INFO] tweaked toml for git repo https://github.com/pepsi/pep written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] crate git repo https://github.com/pepsi/pep already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "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] 5ce6c37825a7a3e168e177e8087335896b23aeccc9e705b89af6131f8552a3b0
[INFO] running `Command { std: "docker" "start" "-a" "5ce6c37825a7a3e168e177e8087335896b23aeccc9e705b89af6131f8552a3b0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5ce6c37825a7a3e168e177e8087335896b23aeccc9e705b89af6131f8552a3b0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5ce6c37825a7a3e168e177e8087335896b23aeccc9e705b89af6131f8552a3b0", kill_on_drop: false }`
[INFO] [stdout] 5ce6c37825a7a3e168e177e8087335896b23aeccc9e705b89af6131f8552a3b0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "check" "--frozen" "--all" "--all-targets" "--message-format=json", 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] cd3c42bf39b249247f3f20c883e74a89ce0141151118dbd9ef40dd262f1bcbb5
[INFO] running `Command { std: "docker" "start" "-a" "cd3c42bf39b249247f3f20c883e74a89ce0141151118dbd9ef40dd262f1bcbb5", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.79
[INFO] [stderr]     Checking getrandom v0.1.15
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking pep3 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `remaining_source`
[INFO] [stdout]    --> src/main.rs:303:20
[INFO] [stdout]     |
[INFO] [stdout] 303 |     let (commands, remaining_source) = parse_block(&input.as_bytes());
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_remaining_source`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `acc`
[INFO] [stdout]    --> src/main.rs:197:5
[INFO] [stdout]     |
[INFO] [stdout] 197 |     acc: i32, // global: Global
[INFO] [stdout]     |     ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `remaining_source`
[INFO] [stdout]    --> src/main.rs:303:20
[INFO] [stdout]     |
[INFO] [stdout] 303 |     let (commands, remaining_source) = parse_block(&input.as_bytes());
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_remaining_source`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `acc`
[INFO] [stdout]    --> src/main.rs:197:5
[INFO] [stdout]     |
[INFO] [stdout] 197 |     acc: i32, // global: Global
[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] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.14s
[INFO] running `Command { std: "docker" "inspect" "cd3c42bf39b249247f3f20c883e74a89ce0141151118dbd9ef40dd262f1bcbb5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cd3c42bf39b249247f3f20c883e74a89ce0141151118dbd9ef40dd262f1bcbb5", kill_on_drop: false }`
[INFO] [stdout] cd3c42bf39b249247f3f20c883e74a89ce0141151118dbd9ef40dd262f1bcbb5