[INFO] cloning repository https://github.com/harrisonthorne/infinite-sets-rs [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/harrisonthorne/infinite-sets-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fharrisonthorne%2Finfinite-sets-rs", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fharrisonthorne%2Finfinite-sets-rs'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] a66a1e87fcc93451c09fdfea0f5eeda355063f3d [INFO] checking harrisonthorne/infinite-sets-rs against master#3aedcf06b73fc36feeebca3d579e1d2a6c40acc5 for pr-65819 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fharrisonthorne%2Finfinite-sets-rs" "/workspace/builds/worker-5/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/harrisonthorne/infinite-sets-rs on toolchain 3aedcf06b73fc36feeebca3d579e1d2a6c40acc5 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3aedcf06b73fc36feeebca3d579e1d2a6c40acc5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/harrisonthorne/infinite-sets-rs [INFO] finished tweaking git repo https://github.com/harrisonthorne/infinite-sets-rs [INFO] tweaked toml for git repo https://github.com/harrisonthorne/infinite-sets-rs written to /workspace/builds/worker-5/source/Cargo.toml [INFO] crate git repo https://github.com/harrisonthorne/infinite-sets-rs already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3aedcf06b73fc36feeebca3d579e1d2a6c40acc5" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/opt/rustwide/cargo-home/bin/cargo" "+3aedcf06b73fc36feeebca3d579e1d2a6c40acc5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 16c19c66f079fa3678c59132e1dc4cd6cdc672a5f436e7022a658f37d1b8d55e [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" "16c19c66f079fa3678c59132e1dc4cd6cdc672a5f436e7022a658f37d1b8d55e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "16c19c66f079fa3678c59132e1dc4cd6cdc672a5f436e7022a658f37d1b8d55e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "16c19c66f079fa3678c59132e1dc4cd6cdc672a5f436e7022a658f37d1b8d55e", kill_on_drop: false }` [INFO] [stdout] 16c19c66f079fa3678c59132e1dc4cd6cdc672a5f436e7022a658f37d1b8d55e [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/opt/rustwide/cargo-home/bin/cargo" "+3aedcf06b73fc36feeebca3d579e1d2a6c40acc5" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 21ef836c553e830c7d81a44bfebeddca8de161f80c53ea78fff16187d9e97922 [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" "21ef836c553e830c7d81a44bfebeddca8de161f80c53ea78fff16187d9e97922", kill_on_drop: false }` [INFO] [stderr] Compiling maybe-uninit v2.0.0 [INFO] [stderr] Checking primal-estimate v0.2.1 [INFO] [stderr] Compiling num-traits v0.2.11 [INFO] [stderr] Compiling num-integer v0.1.42 [INFO] [stderr] Checking primal-bit v0.2.4 [INFO] [stderr] Checking smallvec v0.6.13 [INFO] [stderr] Checking primal-sieve v0.2.9 [INFO] [stderr] Checking primal-check v0.2.3 [INFO] [stderr] Checking primal v0.2.3 [INFO] [stderr] Checking infinite_sets v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: associated function is never used: `new` [INFO] [stdout] --> src/sets.rs:11:12 [INFO] [stdout] | [INFO] [stdout] 11 | pub fn new() -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `new` [INFO] [stdout] --> src/sets.rs:11:12 [INFO] [stdout] | [INFO] [stdout] 11 | pub fn new() -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 7.11s [INFO] running `Command { std: "docker" "inspect" "21ef836c553e830c7d81a44bfebeddca8de161f80c53ea78fff16187d9e97922", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "21ef836c553e830c7d81a44bfebeddca8de161f80c53ea78fff16187d9e97922", kill_on_drop: false }` [INFO] [stdout] 21ef836c553e830c7d81a44bfebeddca8de161f80c53ea78fff16187d9e97922