[INFO] cloning repository https://github.com/rostislavjadavan/rust-todo-list [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/rostislavjadavan/rust-todo-list" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frostislavjadavan%2Frust-todo-list", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frostislavjadavan%2Frust-todo-list'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] f3c088fc1d0100727d7659281bafe3befee936e2 [INFO] checking rostislavjadavan/rust-todo-list against beta for pr-78714 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frostislavjadavan%2Frust-todo-list" "/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/rostislavjadavan/rust-todo-list on toolchain beta [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/rostislavjadavan/rust-todo-list [INFO] finished tweaking git repo https://github.com/rostislavjadavan/rust-todo-list [INFO] tweaked toml for git repo https://github.com/rostislavjadavan/rust-todo-list written to /workspace/builds/worker-3/source/Cargo.toml [INFO] crate git repo https://github.com/rostislavjadavan/rust-todo-list already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "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] f7c7c2ce776932f7af20f0c8cecd9f794b4a495659d5be13a727ed9709de8685 [INFO] running `Command { std: "docker" "start" "-a" "f7c7c2ce776932f7af20f0c8cecd9f794b4a495659d5be13a727ed9709de8685", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "f7c7c2ce776932f7af20f0c8cecd9f794b4a495659d5be13a727ed9709de8685", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f7c7c2ce776932f7af20f0c8cecd9f794b4a495659d5be13a727ed9709de8685", kill_on_drop: false }` [INFO] [stdout] f7c7c2ce776932f7af20f0c8cecd9f794b4a495659d5be13a727ed9709de8685 [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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "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] 28e1e1eebfd2c9f13eb69514604aa410a2b4a561ac15f5f6521b6fcac1ba518a [INFO] running `Command { std: "docker" "start" "-a" "28e1e1eebfd2c9f13eb69514604aa410a2b4a561ac15f5f6521b6fcac1ba518a", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.1 [INFO] [stderr] Compiling syn v1.0.3 [INFO] [stderr] Compiling serde v1.0.99 [INFO] [stderr] Compiling quote v1.0.2 [INFO] [stderr] Compiling serde_derive v1.0.99 [INFO] [stderr] Checking serde_json v1.0.40 [INFO] [stderr] Checking rust-todo-list v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: comparison is useless due to type limits [INFO] [stdout] --> src/main.rs:42:12 [INFO] [stdout] | [INFO] [stdout] 42 | if index >= 0 && index < self.items.len() { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_comparisons)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: comparison is useless due to type limits [INFO] [stdout] --> src/main.rs:49:12 [INFO] [stdout] | [INFO] [stdout] 49 | if index >= 0 && index < self.items.len() { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: comparison is useless due to type limits [INFO] [stdout] --> src/main.rs:42:12 [INFO] [stdout] | [INFO] [stdout] 42 | if index >= 0 && index < self.items.len() { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_comparisons)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: comparison is useless due to type limits [INFO] [stdout] --> src/main.rs:49:12 [INFO] [stdout] | [INFO] [stdout] 49 | if index >= 0 && index < self.items.len() { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 32.61s [INFO] running `Command { std: "docker" "inspect" "28e1e1eebfd2c9f13eb69514604aa410a2b4a561ac15f5f6521b6fcac1ba518a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "28e1e1eebfd2c9f13eb69514604aa410a2b4a561ac15f5f6521b6fcac1ba518a", kill_on_drop: false }` [INFO] [stdout] 28e1e1eebfd2c9f13eb69514604aa410a2b4a561ac15f5f6521b6fcac1ba518a