[INFO] cloning repository https://github.com/lengyijun/simple_comparision_with_for_and_iterator [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/lengyijun/simple_comparision_with_for_and_iterator" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flengyijun%2Fsimple_comparision_with_for_and_iterator", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flengyijun%2Fsimple_comparision_with_for_and_iterator'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 0a6738abc9df89684bd026d1ba885cae408e57aa [INFO] checking lengyijun/simple_comparision_with_for_and_iterator against try#8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8 for pr-82565 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flengyijun%2Fsimple_comparision_with_for_and_iterator" "/workspace/builds/worker-10/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-10/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/lengyijun/simple_comparision_with_for_and_iterator on toolchain 8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/lengyijun/simple_comparision_with_for_and_iterator [INFO] finished tweaking git repo https://github.com/lengyijun/simple_comparision_with_for_and_iterator [INFO] tweaked toml for git repo https://github.com/lengyijun/simple_comparision_with_for_and_iterator written to /workspace/builds/worker-10/source/Cargo.toml [INFO] crate git repo https://github.com/lengyijun/simple_comparision_with_for_and_iterator already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] a57f9c91c0bdc60e44858d394a33aba55e00e1f9f157b0ba69f902434b2a2f36 [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" "a57f9c91c0bdc60e44858d394a33aba55e00e1f9f157b0ba69f902434b2a2f36", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "a57f9c91c0bdc60e44858d394a33aba55e00e1f9f157b0ba69f902434b2a2f36", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a57f9c91c0bdc60e44858d394a33aba55e00e1f9f157b0ba69f902434b2a2f36", kill_on_drop: false }` [INFO] [stdout] a57f9c91c0bdc60e44858d394a33aba55e00e1f9f157b0ba69f902434b2a2f36 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 9d1bacbd543a80a57c881f686065cbf1700f1eaa0e5d99fec1a69217fd6e1880 [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" "9d1bacbd543a80a57c881f686065cbf1700f1eaa0e5d99fec1a69217fd6e1880", kill_on_drop: false }` [INFO] [stderr] Checking jiting v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: static is never used: `N` [INFO] [stdout] --> src/main.rs:5:1 [INFO] [stdout] | [INFO] [stdout] 5 | static N: usize = 1000; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `a` [INFO] [stdout] --> src/main.rs:16:17 [INFO] [stdout] | [INFO] [stdout] 16 | let a: Vec = (1..).take(N).collect(); [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_a` [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 0.57s [INFO] running `Command { std: "docker" "inspect" "9d1bacbd543a80a57c881f686065cbf1700f1eaa0e5d99fec1a69217fd6e1880", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9d1bacbd543a80a57c881f686065cbf1700f1eaa0e5d99fec1a69217fd6e1880", kill_on_drop: false }` [INFO] [stdout] 9d1bacbd543a80a57c881f686065cbf1700f1eaa0e5d99fec1a69217fd6e1880