[INFO] fetching crate chelone 0.1.3... [INFO] checking chelone-0.1.3 against master#c919f490bbcd2b29b74016101f7ec71aaa24bdbb for pr-79073 [INFO] extracting crate chelone 0.1.3 into /workspace/builds/worker-4/source [INFO] validating manifest of crates.io crate chelone 0.1.3 on toolchain c919f490bbcd2b29b74016101f7ec71aaa24bdbb [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c919f490bbcd2b29b74016101f7ec71aaa24bdbb" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking crates.io crate chelone 0.1.3 [INFO] finished tweaking crates.io crate chelone 0.1.3 [INFO] tweaked toml for crates.io crate chelone 0.1.3 written to /workspace/builds/worker-4/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c919f490bbcd2b29b74016101f7ec71aaa24bdbb" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c919f490bbcd2b29b74016101f7ec71aaa24bdbb" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+c919f490bbcd2b29b74016101f7ec71aaa24bdbb" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 8f691d87757279ba086e8189d2ec4a3b4a6b17a1a02e0bbfc772eaa98ff81fd8 [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" "8f691d87757279ba086e8189d2ec4a3b4a6b17a1a02e0bbfc772eaa98ff81fd8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "8f691d87757279ba086e8189d2ec4a3b4a6b17a1a02e0bbfc772eaa98ff81fd8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8f691d87757279ba086e8189d2ec4a3b4a6b17a1a02e0bbfc772eaa98ff81fd8", kill_on_drop: false }` [INFO] [stdout] 8f691d87757279ba086e8189d2ec4a3b4a6b17a1a02e0bbfc772eaa98ff81fd8 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+c919f490bbcd2b29b74016101f7ec71aaa24bdbb" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 21cd4459c93c1c812e7e4b94139dcb56e6574e3e330a147d9aef57fef5a4e355 [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" "21cd4459c93c1c812e7e4b94139dcb56e6574e3e330a147d9aef57fef5a4e355", kill_on_drop: false }` [INFO] [stderr] Compiling pest v1.0.6 [INFO] [stderr] Checking either v1.6.1 [INFO] [stderr] Checking unwrap_to v0.1.0 [INFO] [stderr] Checking itertools v0.8.2 [INFO] [stderr] Compiling pest_derive v1.0.8 [INFO] [stderr] Checking chelone v0.1.3 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `next_rule` [INFO] [stdout] --> src/lib.rs:518:14 [INFO] [stdout] | [INFO] [stdout] 518 | let (next_rule, next) = { [INFO] [stdout] | ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_next_rule` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `next_rule` [INFO] [stdout] --> src/lib.rs:518:14 [INFO] [stdout] | [INFO] [stdout] 518 | let (next_rule, next) = { [INFO] [stdout] | ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_next_rule` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `source` [INFO] [stdout] --> src/lib.rs:88:5 [INFO] [stdout] | [INFO] [stdout] 88 | source: &'a str [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `debug_input` [INFO] [stdout] --> src/lib.rs:111:8 [INFO] [stdout] | [INFO] [stdout] 111 | fn debug_input(input: Peekable>) { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `source` [INFO] [stdout] --> src/lib.rs:88:5 [INFO] [stdout] | [INFO] [stdout] 88 | source: &'a str [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `debug_input` [INFO] [stdout] --> src/lib.rs:111:8 [INFO] [stdout] | [INFO] [stdout] 111 | fn debug_input(input: Peekable>) { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 7.10s [INFO] running `Command { std: "docker" "inspect" "21cd4459c93c1c812e7e4b94139dcb56e6574e3e330a147d9aef57fef5a4e355", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "21cd4459c93c1c812e7e4b94139dcb56e6574e3e330a147d9aef57fef5a4e355", kill_on_drop: false }` [INFO] [stdout] 21cd4459c93c1c812e7e4b94139dcb56e6574e3e330a147d9aef57fef5a4e355