[INFO] cloning repository https://github.com/slme9364/melody-generator [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/slme9364/melody-generator" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fslme9364%2Fmelody-generator", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fslme9364%2Fmelody-generator'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 11f07e09663c53f2c2f3e0bf0c2e381b8ee954c6 [INFO] checking slme9364/melody-generator against try#55b3f428b4fac6790b1e8492e0b91ff2d80aec7c for pr-77035 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fslme9364%2Fmelody-generator" "/workspace/builds/worker-3/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/slme9364/melody-generator on toolchain 55b3f428b4fac6790b1e8492e0b91ff2d80aec7c [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+55b3f428b4fac6790b1e8492e0b91ff2d80aec7c" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/slme9364/melody-generator [INFO] finished tweaking git repo https://github.com/slme9364/melody-generator [INFO] tweaked toml for git repo https://github.com/slme9364/melody-generator written to /workspace/builds/worker-3/source/Cargo.toml [INFO] crate git repo https://github.com/slme9364/melody-generator already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+55b3f428b4fac6790b1e8492e0b91ff2d80aec7c" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "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" "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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+55b3f428b4fac6790b1e8492e0b91ff2d80aec7c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] ed0404a0b97cdfa08d2ae3f3328a306cb2432fe0a561bb47b6efce2db3c4ccd5 [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" "ed0404a0b97cdfa08d2ae3f3328a306cb2432fe0a561bb47b6efce2db3c4ccd5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "ed0404a0b97cdfa08d2ae3f3328a306cb2432fe0a561bb47b6efce2db3c4ccd5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ed0404a0b97cdfa08d2ae3f3328a306cb2432fe0a561bb47b6efce2db3c4ccd5", kill_on_drop: false }` [INFO] [stdout] ed0404a0b97cdfa08d2ae3f3328a306cb2432fe0a561bb47b6efce2db3c4ccd5 [INFO] running `Command { std: "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" "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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+55b3f428b4fac6790b1e8492e0b91ff2d80aec7c" "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] 0a4ace13cbdbadca07e0a1f7c366d580fd0d74804392484e3092ba23c4c2a42f [INFO] running `Command { std: "docker" "start" "-a" "0a4ace13cbdbadca07e0a1f7c366d580fd0d74804392484e3092ba23c4c2a42f", kill_on_drop: false }` [INFO] [stderr] Checking melody-generator v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `i` [INFO] [stdout] --> src/main.rs:14:9 [INFO] [stdout] | [INFO] [stdout] 14 | for i in 0..16 { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_i` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `i` [INFO] [stdout] --> src/main.rs:14:9 [INFO] [stdout] | [INFO] [stdout] 14 | for i in 0..16 { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_i` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.26s [INFO] running `Command { std: "docker" "inspect" "0a4ace13cbdbadca07e0a1f7c366d580fd0d74804392484e3092ba23c4c2a42f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0a4ace13cbdbadca07e0a1f7c366d580fd0d74804392484e3092ba23c4c2a42f", kill_on_drop: false }` [INFO] [stdout] 0a4ace13cbdbadca07e0a1f7c366d580fd0d74804392484e3092ba23c4c2a42f