[INFO] cloning repository https://github.com/Caleb-Barger/crispy-doodle
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Caleb-Barger/crispy-doodle" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCaleb-Barger%2Fcrispy-doodle", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCaleb-Barger%2Fcrispy-doodle'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 0807d232e56e1066b45f22af29a7b22d66cf4ead
[INFO] checking Caleb-Barger/crispy-doodle against master#f82664191d0e8764b7435b9d72eb0e366b8b1464 for pr-83354
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCaleb-Barger%2Fcrispy-doodle" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Caleb-Barger/crispy-doodle on toolchain f82664191d0e8764b7435b9d72eb0e366b8b1464
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f82664191d0e8764b7435b9d72eb0e366b8b1464" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Caleb-Barger/crispy-doodle
[INFO] finished tweaking git repo https://github.com/Caleb-Barger/crispy-doodle
[INFO] tweaked toml for git repo https://github.com/Caleb-Barger/crispy-doodle written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/Caleb-Barger/crispy-doodle already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f82664191d0e8764b7435b9d72eb0e366b8b1464" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+f82664191d0e8764b7435b9d72eb0e366b8b1464" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] dc19ff4b858bfd428fa469ff883ff049249944b5c251b4f756c9d9232503f0a2
[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" "dc19ff4b858bfd428fa469ff883ff049249944b5c251b4f756c9d9232503f0a2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dc19ff4b858bfd428fa469ff883ff049249944b5c251b4f756c9d9232503f0a2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dc19ff4b858bfd428fa469ff883ff049249944b5c251b4f756c9d9232503f0a2", kill_on_drop: false }`
[INFO] [stdout] dc19ff4b858bfd428fa469ff883ff049249944b5c251b4f756c9d9232503f0a2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+f82664191d0e8764b7435b9d72eb0e366b8b1464" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 39f43b4159b74a4951bf4675bd4bb32e2c6b6a94bb7fdda200ab01f8ec7936de
[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" "39f43b4159b74a4951bf4675bd4bb32e2c6b6a94bb7fdda200ab01f8ec7936de", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking bls_n_cws v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `a1`
[INFO] [stdout]    --> src/main.rs:131:19
[INFO] [stdout]     |
[INFO] [stdout] 131 | fn is_valid_guess(a1: &[char]) {}
[INFO] [stdout]     |                   ^^ help: if this is intentional, prefix it with an underscore: `_a1`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `is_valid_guess`
[INFO] [stdout]    --> src/main.rs:131:4
[INFO] [stdout]     |
[INFO] [stdout] 131 | fn is_valid_guess(a1: &[char]) {}
[INFO] [stdout]     |    ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `a1`
[INFO] [stdout]    --> src/main.rs:131:19
[INFO] [stdout]     |
[INFO] [stdout] 131 | fn is_valid_guess(a1: &[char]) {}
[INFO] [stdout]     |                   ^^ help: if this is intentional, prefix it with an underscore: `_a1`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `is_valid_guess`
[INFO] [stdout]    --> src/main.rs:131:4
[INFO] [stdout]     |
[INFO] [stdout] 131 | fn is_valid_guess(a1: &[char]) {}
[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: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.45s
[INFO] running `Command { std: "docker" "inspect" "39f43b4159b74a4951bf4675bd4bb32e2c6b6a94bb7fdda200ab01f8ec7936de", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "39f43b4159b74a4951bf4675bd4bb32e2c6b6a94bb7fdda200ab01f8ec7936de", kill_on_drop: false }`
[INFO] [stdout] 39f43b4159b74a4951bf4675bd4bb32e2c6b6a94bb7fdda200ab01f8ec7936de