[INFO] cloning repository https://github.com/cutsea110/closure-test [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/cutsea110/closure-test" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcutsea110%2Fclosure-test", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcutsea110%2Fclosure-test'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 53ab55f087c9436e199c590977a8c1607c0d0c28 [INFO] testing cutsea110/closure-test against master#a77da2d454e6caa227a85b16410b95f93495e7e0 for pr-91031 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcutsea110%2Fclosure-test" "/workspace/builds/worker-9/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/cutsea110/closure-test on toolchain a77da2d454e6caa227a85b16410b95f93495e7e0 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/cutsea110/closure-test [INFO] finished tweaking git repo https://github.com/cutsea110/closure-test [INFO] tweaked toml for git repo https://github.com/cutsea110/closure-test written to /workspace/builds/worker-9/source/Cargo.toml [INFO] crate git repo https://github.com/cutsea110/closure-test already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 996f17212b8d64cec71ab58751485dfdaa4a9252f01b4678f604d45967070a4d [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" "996f17212b8d64cec71ab58751485dfdaa4a9252f01b4678f604d45967070a4d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "996f17212b8d64cec71ab58751485dfdaa4a9252f01b4678f604d45967070a4d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "996f17212b8d64cec71ab58751485dfdaa4a9252f01b4678f604d45967070a4d", kill_on_drop: false }` [INFO] [stdout] 996f17212b8d64cec71ab58751485dfdaa4a9252f01b4678f604d45967070a4d [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 5b7c60ec510de01c7110e88af24a834eb50caae2876dcd554cc98908bb907a6d [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" "5b7c60ec510de01c7110e88af24a834eb50caae2876dcd554cc98908bb907a6d", kill_on_drop: false }` [INFO] [stderr] Compiling closure-test v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: function is never used: `async_add_n` [INFO] [stdout] --> src/main.rs:26:10 [INFO] [stdout] | [INFO] [stdout] 26 | async fn async_add_n(n: u32) -> impl Fn(u32) -> u32 { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `async_add1` [INFO] [stdout] --> src/main.rs:30:10 [INFO] [stdout] | [INFO] [stdout] 30 | async fn async_add1(x: u32) -> Result { [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 1.23s [INFO] running `Command { std: "docker" "inspect" "5b7c60ec510de01c7110e88af24a834eb50caae2876dcd554cc98908bb907a6d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5b7c60ec510de01c7110e88af24a834eb50caae2876dcd554cc98908bb907a6d", kill_on_drop: false }` [INFO] [stdout] 5b7c60ec510de01c7110e88af24a834eb50caae2876dcd554cc98908bb907a6d [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 07a35111f785102edbafb8d6e5d189772eccffff740d4ffd2451afdc1dfcffcd [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" "07a35111f785102edbafb8d6e5d189772eccffff740d4ffd2451afdc1dfcffcd", kill_on_drop: false }` [INFO] [stderr] Compiling closure-test v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: function is never used: `async_add_n` [INFO] [stdout] --> src/main.rs:26:10 [INFO] [stdout] | [INFO] [stdout] 26 | async fn async_add_n(n: u32) -> impl Fn(u32) -> u32 { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `async_add1` [INFO] [stdout] --> src/main.rs:30:10 [INFO] [stdout] | [INFO] [stdout] 30 | async fn async_add1(x: u32) -> Result { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.90s [INFO] running `Command { std: "docker" "inspect" "07a35111f785102edbafb8d6e5d189772eccffff740d4ffd2451afdc1dfcffcd", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "07a35111f785102edbafb8d6e5d189772eccffff740d4ffd2451afdc1dfcffcd", kill_on_drop: false }` [INFO] [stdout] 07a35111f785102edbafb8d6e5d189772eccffff740d4ffd2451afdc1dfcffcd [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] f576773d6033be403ef71d9bf2121c4eefb422f789c3cc457cc7a0e35f1bc4ff [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" "f576773d6033be403ef71d9bf2121c4eefb422f789c3cc457cc7a0e35f1bc4ff", kill_on_drop: false }` [INFO] [stderr] warning: function is never used: `async_add_n` [INFO] [stderr] --> src/main.rs:26:10 [INFO] [stderr] | [INFO] [stderr] 26 | async fn async_add_n(n: u32) -> impl Fn(u32) -> u32 { [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: function is never used: `async_add1` [INFO] [stderr] --> src/main.rs:30:10 [INFO] [stderr] | [INFO] [stderr] 30 | async fn async_add1(x: u32) -> Result { [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: `closure-test` (bin "closure-test" test) generated 2 warnings [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.02s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/closure_test-e3852d624e22e084) [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "f576773d6033be403ef71d9bf2121c4eefb422f789c3cc457cc7a0e35f1bc4ff", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f576773d6033be403ef71d9bf2121c4eefb422f789c3cc457cc7a0e35f1bc4ff", kill_on_drop: false }` [INFO] [stdout] f576773d6033be403ef71d9bf2121c4eefb422f789c3cc457cc7a0e35f1bc4ff