[INFO] cloning repository https://github.com/alevy/iterator_bench [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/alevy/iterator_bench" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Falevy%2Fiterator_bench", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Falevy%2Fiterator_bench'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 026d67b174f1304e34626850dcc9c3aecc155f2b [INFO] testing alevy/iterator_bench against try#ecabaf78506b7a4668d42dc20268c086b93f0fad for pr-87041 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Falevy%2Fiterator_bench" "/workspace/builds/worker-2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/alevy/iterator_bench on toolchain ecabaf78506b7a4668d42dc20268c086b93f0fad [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] removed /workspace/builds/worker-2/source/rust-toolchain [INFO] started tweaking git repo https://github.com/alevy/iterator_bench [INFO] finished tweaking git repo https://github.com/alevy/iterator_bench [INFO] tweaked toml for git repo https://github.com/alevy/iterator_bench written to /workspace/builds/worker-2/source/Cargo.toml [INFO] crate git repo https://github.com/alevy/iterator_bench already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "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] 7d4d8e8d5d2aae3ac2a93d7228aeff0f07ea7f84f05367dc34e2df45ccbbc1cc [INFO] running `Command { std: "docker" "start" "-a" "7d4d8e8d5d2aae3ac2a93d7228aeff0f07ea7f84f05367dc34e2df45ccbbc1cc", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "7d4d8e8d5d2aae3ac2a93d7228aeff0f07ea7f84f05367dc34e2df45ccbbc1cc", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7d4d8e8d5d2aae3ac2a93d7228aeff0f07ea7f84f05367dc34e2df45ccbbc1cc", kill_on_drop: false }` [INFO] [stdout] 7d4d8e8d5d2aae3ac2a93d7228aeff0f07ea7f84f05367dc34e2df45ccbbc1cc [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "build" "--frozen" "--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] 9c0d64fd4219828d30b8d25725f2aa165af72e2aa6b94b76484a833556dcf60b [INFO] running `Command { std: "docker" "start" "-a" "9c0d64fd4219828d30b8d25725f2aa165af72e2aa6b94b76484a833556dcf60b", kill_on_drop: false }` [INFO] [stderr] Compiling rand_core v0.3.0 [INFO] [stderr] Compiling rand_core v0.2.2 [INFO] [stderr] Compiling rand v0.5.5 [INFO] [stderr] Compiling iterator_bench v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused doc comment [INFO] [stdout] --> src/main.rs:63:1 [INFO] [stdout] | [INFO] [stdout] 63 | / /// This is the implementation we would write in C. [INFO] [stdout] 64 | | /// [INFO] [stdout] 65 | | /// * It iterators over the input array with a C-style for-loop. [INFO] [stdout] 66 | | /// [INFO] [stdout] ... | [INFO] [stdout] 77 | | /// The compiler has managed to compile this into packed moves. So there are only 20,000 iterations [INFO] [stdout] 78 | | /// of the loop with 5 instructions each. [INFO] [stdout] | |_----------------------------------------^ [INFO] [stdout] | | [INFO] [stdout] | rustdoc does not generate documentation for macro invocations [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_doc_comments)]` on by default [INFO] [stdout] = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 3.34s [INFO] running `Command { std: "docker" "inspect" "9c0d64fd4219828d30b8d25725f2aa165af72e2aa6b94b76484a833556dcf60b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9c0d64fd4219828d30b8d25725f2aa165af72e2aa6b94b76484a833556dcf60b", kill_on_drop: false }` [INFO] [stdout] 9c0d64fd4219828d30b8d25725f2aa165af72e2aa6b94b76484a833556dcf60b [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 1c34b449f149c1648dd0407ae38115a7ab485779598dbb05198985544eaea02f [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" "1c34b449f149c1648dd0407ae38115a7ab485779598dbb05198985544eaea02f", kill_on_drop: false }` [INFO] [stderr] Compiling iterator_bench v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused doc comment [INFO] [stdout] --> src/main.rs:63:1 [INFO] [stdout] | [INFO] [stdout] 63 | / /// This is the implementation we would write in C. [INFO] [stdout] 64 | | /// [INFO] [stdout] 65 | | /// * It iterators over the input array with a C-style for-loop. [INFO] [stdout] 66 | | /// [INFO] [stdout] ... | [INFO] [stdout] 77 | | /// The compiler has managed to compile this into packed moves. So there are only 20,000 iterations [INFO] [stdout] 78 | | /// of the loop with 5 instructions each. [INFO] [stdout] | |_----------------------------------------^ [INFO] [stdout] | | [INFO] [stdout] | rustdoc does not generate documentation for macro invocations [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_doc_comments)]` on by default [INFO] [stdout] = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 1.25s [INFO] running `Command { std: "docker" "inspect" "1c34b449f149c1648dd0407ae38115a7ab485779598dbb05198985544eaea02f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1c34b449f149c1648dd0407ae38115a7ab485779598dbb05198985544eaea02f", kill_on_drop: false }` [INFO] [stdout] 1c34b449f149c1648dd0407ae38115a7ab485779598dbb05198985544eaea02f [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] d7ec40316895fe2108483573899e2dce747875f8c058cafa83b83e3e45975761 [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" "d7ec40316895fe2108483573899e2dce747875f8c058cafa83b83e3e45975761", kill_on_drop: false }` [INFO] [stderr] warning: unused doc comment [INFO] [stderr] --> src/main.rs:63:1 [INFO] [stderr] | [INFO] [stderr] 63 | / /// This is the implementation we would write in C. [INFO] [stderr] 64 | | /// [INFO] [stderr] 65 | | /// * It iterators over the input array with a C-style for-loop. [INFO] [stderr] 66 | | /// [INFO] [stderr] ... | [INFO] [stderr] 77 | | /// The compiler has managed to compile this into packed moves. So there are only 20,000 iterations [INFO] [stderr] 78 | | /// of the loop with 5 instructions each. [INFO] [stderr] | |_----------------------------------------^ [INFO] [stderr] | | [INFO] [stderr] | rustdoc does not generate documentation for macro invocations [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_doc_comments)]` on by default [INFO] [stderr] = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion [INFO] [stderr] [INFO] [stderr] warning: 1 warning emitted [INFO] [stderr] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.01s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/iterator_bench-37064ff081388430) [INFO] [stdout] [INFO] [stdout] running 36 tests [INFO] [stdout] test c_style_input_size_fixed::_test ... ok [INFO] [stdout] test c_style_fixed_size::_test ... ok [INFO] [stdout] test zip_chunks_exact_unknown_size::_test ... ok [INFO] [stdout] test c_style_unknown_size_limit::_test ... ok [INFO] [stdout] test zip_chunks_exact_unknown_size_slice::_test ... ok [INFO] [stdout] test c_style_output_size_fixed::_test ... ok [INFO] [stdout] test c_style_unknown_size::_test ... ok [INFO] [stdout] test zip_chunks_exact_unknown_size_take::_test ... ok [INFO] [stdout] test zip_chunks_exact_unknown_size_slice::_bench ... ok [INFO] [stdout] test optimal_unsafe::_test ... ok [INFO] [stdout] test c_style_input_size_fixed::_bench ... ok [INFO] [stdout] test zip_chunks_exact_unknown_size::_bench ... ok [INFO] [stdout] test c_style_unknown_size_limit::_bench ... ok [INFO] [stdout] test zip_chunks_fixed_size::_test ... ok [INFO] [stdout] test c_style_output_size_fixed::_bench ... ok [INFO] [stdout] test zip_chunks_fixed_size::_bench ... ok [INFO] [stdout] test zip_chunks_fixed_size_take::_bench ... ok [INFO] [stdout] test optimal_unsafe::_bench ... ok [INFO] [stdout] test zip_chunks_fixed_size_take::_test ... ok [INFO] [stdout] test zip_chunks_exact_unknown_size_take::_bench ... ok [INFO] [stdout] test zip_chunks_exact_unknown_size_take_iter::_test ... ok [INFO] [stdout] test c_style_fixed_size::_bench ... ok [INFO] [stdout] test zip_chunks_unknown_size::_test ... ok [INFO] [stdout] test zip_chunks_input_size_fixed::_test ... ok [INFO] [stdout] test c_style_unknown_size::_bench ... ok [INFO] [stdout] test zip_chunks_unknown_size_take::_test ... ok [INFO] [stdout] test zip_chunks_output_size_fixed::_test ... ok [INFO] [stdout] test zip_chunks_fixed_size_take_iter::_test ... ok [INFO] [stdout] test zip_chunks_unknown_size::_bench ... ok [INFO] [stdout] test zip_chunks_fixed_size_take_iter::_bench ... ok [INFO] [stdout] test zip_chunks_exact_unknown_size_take_iter::_bench ... ok [INFO] [stdout] test zip_chunks_unknown_size_take_iter::_test ... ok [INFO] [stdout] test zip_chunks_unknown_size_take::_bench ... ok [INFO] [stdout] test zip_chunks_input_size_fixed::_bench ... ok [INFO] [stdout] test zip_chunks_output_size_fixed::_bench ... ok [INFO] [stdout] test zip_chunks_unknown_size_take_iter::_bench ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 36 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.16s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "d7ec40316895fe2108483573899e2dce747875f8c058cafa83b83e3e45975761", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d7ec40316895fe2108483573899e2dce747875f8c058cafa83b83e3e45975761", kill_on_drop: false }` [INFO] [stdout] d7ec40316895fe2108483573899e2dce747875f8c058cafa83b83e3e45975761