[INFO] cloning repository https://github.com/fastly/prometheus-utils [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/fastly/prometheus-utils" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffastly%2Fprometheus-utils", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffastly%2Fprometheus-utils'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 8edc18dc46d7a3173b55f837f47111cb73c15913 [INFO] testing fastly/prometheus-utils against master#b70888601af92f6cdc0364abab3446e418b91d36 for pr-86479 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffastly%2Fprometheus-utils" "/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/fastly/prometheus-utils on toolchain b70888601af92f6cdc0364abab3446e418b91d36 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "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/fastly/prometheus-utils [INFO] finished tweaking git repo https://github.com/fastly/prometheus-utils [INFO] tweaked toml for git repo https://github.com/fastly/prometheus-utils written to /workspace/builds/worker-2/source/Cargo.toml [INFO] crate git repo https://github.com/fastly/prometheus-utils already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [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" "+b70888601af92f6cdc0364abab3446e418b91d36" "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] 968ae7ec46f9fca166880eb75c89efe89dcb9e3d1fca6cca851017b657acab89 [INFO] running `Command { std: "docker" "start" "-a" "968ae7ec46f9fca166880eb75c89efe89dcb9e3d1fca6cca851017b657acab89", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "968ae7ec46f9fca166880eb75c89efe89dcb9e3d1fca6cca851017b657acab89", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "968ae7ec46f9fca166880eb75c89efe89dcb9e3d1fca6cca851017b657acab89", kill_on_drop: false }` [INFO] [stdout] 968ae7ec46f9fca166880eb75c89efe89dcb9e3d1fca6cca851017b657acab89 [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" "+b70888601af92f6cdc0364abab3446e418b91d36" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 568d4d8fbc9e144a60455372bc310ee1a37e945047109383f992d19a483b852f [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" "568d4d8fbc9e144a60455372bc310ee1a37e945047109383f992d19a483b852f", kill_on_drop: false }` [INFO] [stderr] Compiling unicode-xid v0.2.2 [INFO] [stderr] Compiling syn v1.0.74 [INFO] [stderr] Compiling libc v0.2.98 [INFO] [stderr] Compiling protobuf v2.24.1 [INFO] [stderr] Compiling memchr v2.4.0 [INFO] [stderr] Compiling smallvec v1.6.1 [INFO] [stderr] Compiling prometheus v0.12.0 [INFO] [stderr] Compiling paste v1.0.5 [INFO] [stderr] Compiling instant v0.1.10 [INFO] [stderr] Compiling num-traits v0.2.14 [INFO] [stderr] Compiling lock_api v0.4.4 [INFO] [stderr] Compiling proc-macro2 v1.0.28 [INFO] [stderr] Compiling quote v1.0.9 [INFO] [stderr] Compiling parking_lot_core v0.8.3 [INFO] [stderr] Compiling parking_lot v0.11.1 [INFO] [stderr] Compiling thiserror-impl v1.0.26 [INFO] [stderr] Compiling pin-project-internal v1.0.8 [INFO] [stderr] Compiling thiserror v1.0.26 [INFO] [stderr] Compiling pin-project v1.0.8 [INFO] [stderr] Compiling prometheus-utils v0.5.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: types that do not implement `Drop` can still have drop glue, consider instead using `std::mem::needs_drop` to detect whether a type is trivially dropped [INFO] [stdout] --> src/instrumented_future.rs:59:55 [INFO] [stdout] | [INFO] [stdout] 59 | pre_polls: Vec Option> + Send>>, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dyn_drop)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: types that do not implement `Drop` can still have drop glue, consider instead using `std::mem::needs_drop` to detect whether a type is trivially dropped [INFO] [stdout] --> src/instrumented_future.rs:71:34 [INFO] [stdout] | [INFO] [stdout] 71 | resource_guards: Vec>, [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: types that do not implement `Drop` can still have drop glue, consider instead using `std::mem::needs_drop` to detect whether a type is trivially dropped [INFO] [stdout] --> src/instrumented_future.rs:59:55 [INFO] [stdout] | [INFO] [stdout] 59 | pre_polls: Vec Option> + Send>>, [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: types that do not implement `Drop` can still have drop glue, consider instead using `std::mem::needs_drop` to detect whether a type is trivially dropped [INFO] [stdout] --> src/instrumented_future.rs:132:59 [INFO] [stdout] | [INFO] [stdout] 132 | pub fn with_guard Option> + Send + 'static>( [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 31.31s [INFO] running `Command { std: "docker" "inspect" "568d4d8fbc9e144a60455372bc310ee1a37e945047109383f992d19a483b852f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "568d4d8fbc9e144a60455372bc310ee1a37e945047109383f992d19a483b852f", kill_on_drop: false }` [INFO] [stdout] 568d4d8fbc9e144a60455372bc310ee1a37e945047109383f992d19a483b852f [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" "+b70888601af92f6cdc0364abab3446e418b91d36" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 13965d4ac70a9732c113078c4751f6d2c73f903f002225f209bdf36a8963296f [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" "13965d4ac70a9732c113078c4751f6d2c73f903f002225f209bdf36a8963296f", kill_on_drop: false }` [INFO] [stderr] Compiling log v0.4.14 [INFO] [stderr] Compiling once_cell v1.8.0 [INFO] [stderr] Compiling bytes v1.0.1 [INFO] [stderr] Compiling tokio v1.9.0 [INFO] [stderr] Compiling signal-hook-registry v1.4.0 [INFO] [stderr] Compiling num_cpus v1.13.0 [INFO] [stderr] Compiling tokio-macros v1.3.0 [INFO] [stdout] warning: types that do not implement `Drop` can still have drop glue, consider instead using `std::mem::needs_drop` to detect whether a type is trivially dropped [INFO] [stdout] --> src/instrumented_future.rs:59:55 [INFO] [stdout] | [INFO] [stdout] 59 | pre_polls: Vec Option> + Send>>, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dyn_drop)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: types that do not implement `Drop` can still have drop glue, consider instead using `std::mem::needs_drop` to detect whether a type is trivially dropped [INFO] [stdout] --> src/instrumented_future.rs:71:34 [INFO] [stdout] | [INFO] [stdout] 71 | resource_guards: Vec>, [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: types that do not implement `Drop` can still have drop glue, consider instead using `std::mem::needs_drop` to detect whether a type is trivially dropped [INFO] [stdout] --> src/instrumented_future.rs:59:55 [INFO] [stdout] | [INFO] [stdout] 59 | pre_polls: Vec Option> + Send>>, [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: types that do not implement `Drop` can still have drop glue, consider instead using `std::mem::needs_drop` to detect whether a type is trivially dropped [INFO] [stdout] --> src/instrumented_future.rs:132:59 [INFO] [stdout] | [INFO] [stdout] 132 | pub fn with_guard Option> + Send + 'static>( [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling mio v0.7.13 [INFO] [stderr] Compiling prometheus-utils v0.5.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: types that do not implement `Drop` can still have drop glue, consider instead using `std::mem::needs_drop` to detect whether a type is trivially dropped [INFO] [stdout] --> src/instrumented_future.rs:59:55 [INFO] [stdout] | [INFO] [stdout] 59 | pre_polls: Vec Option> + Send>>, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dyn_drop)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: types that do not implement `Drop` can still have drop glue, consider instead using `std::mem::needs_drop` to detect whether a type is trivially dropped [INFO] [stdout] --> src/instrumented_future.rs:71:34 [INFO] [stdout] | [INFO] [stdout] 71 | resource_guards: Vec>, [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: types that do not implement `Drop` can still have drop glue, consider instead using `std::mem::needs_drop` to detect whether a type is trivially dropped [INFO] [stdout] --> src/instrumented_future.rs:59:55 [INFO] [stdout] | [INFO] [stdout] 59 | pre_polls: Vec Option> + Send>>, [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: types that do not implement `Drop` can still have drop glue, consider instead using `std::mem::needs_drop` to detect whether a type is trivially dropped [INFO] [stdout] --> src/instrumented_future.rs:132:59 [INFO] [stdout] | [INFO] [stdout] 132 | pub fn with_guard Option> + Send + 'static>( [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 15.65s [INFO] running `Command { std: "docker" "inspect" "13965d4ac70a9732c113078c4751f6d2c73f903f002225f209bdf36a8963296f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "13965d4ac70a9732c113078c4751f6d2c73f903f002225f209bdf36a8963296f", kill_on_drop: false }` [INFO] [stdout] 13965d4ac70a9732c113078c4751f6d2c73f903f002225f209bdf36a8963296f [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" "+b70888601af92f6cdc0364abab3446e418b91d36" "test" "--frozen", 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] 8c3896b45f90199df848747a4088ccf1674bec70eb4b33379635582a738cffa3 [INFO] running `Command { std: "docker" "start" "-a" "8c3896b45f90199df848747a4088ccf1674bec70eb4b33379635582a738cffa3", kill_on_drop: false }` [INFO] [stderr] warning: types that do not implement `Drop` can still have drop glue, consider instead using `std::mem::needs_drop` to detect whether a type is trivially dropped [INFO] [stderr] --> src/instrumented_future.rs:59:55 [INFO] [stderr] | [INFO] [stderr] 59 | pre_polls: Vec Option> + Send>>, [INFO] [stderr] | ^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dyn_drop)]` on by default [INFO] [stderr] [INFO] [stderr] warning: types that do not implement `Drop` can still have drop glue, consider instead using `std::mem::needs_drop` to detect whether a type is trivially dropped [INFO] [stderr] --> src/instrumented_future.rs:71:34 [INFO] [stderr] | [INFO] [stderr] 71 | resource_guards: Vec>, [INFO] [stderr] | ^^^^ [INFO] [stderr] [INFO] [stderr] warning: types that do not implement `Drop` can still have drop glue, consider instead using `std::mem::needs_drop` to detect whether a type is trivially dropped [INFO] [stderr] --> src/instrumented_future.rs:59:55 [INFO] [stderr] | [INFO] [stderr] 59 | pre_polls: Vec Option> + Send>>, [INFO] [stderr] | ^^^^ [INFO] [stderr] [INFO] [stderr] warning: types that do not implement `Drop` can still have drop glue, consider instead using `std::mem::needs_drop` to detect whether a type is trivially dropped [INFO] [stderr] --> src/instrumented_future.rs:132:59 [INFO] [stderr] | [INFO] [stderr] 132 | pub fn with_guard Option> + Send + 'static>( [INFO] [stderr] | ^^^^ [INFO] [stderr] [INFO] [stderr] warning: `prometheus-utils` (lib) generated 4 warnings [INFO] [stderr] warning: `prometheus-utils` (lib test) generated 4 warnings (4 duplicates) [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.08s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/prometheus_utils-a06057f77efddc23) [INFO] [stdout] [INFO] [stdout] running 5 tests [INFO] [stdout] test percentile::tests::test_small_sampleset ... ok [INFO] [stdout] test percentile::tests::test_overflow_wraps_writes ... ok [INFO] [stdout] test percentile::tests::test_wraps_are_reported ... ok [INFO] [stdout] test percentile::tests::test_percentiles_are_reported ... ok [INFO] [stdout] test instrumented_future::counters_increment_only_when_futures_run ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s [INFO] [stdout] [INFO] [stderr] Doc-tests prometheus-utils [INFO] [stdout] [INFO] [stdout] running 4 tests [INFO] [stdout] test src/lib.rs - label_enum (line 84) ... ignored [INFO] [stdout] test src/lib.rs - label_enum (line 97) ... ignored [INFO] [stdout] test src/instrumented_future.rs - instrumented_future::InstrumentedFuture (line 23) - compile ... ok [INFO] [stdout] test src/instrumented_future.rs - instrumented_future::InstrumentedFuture::with_guard (line 101) - compile ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 2 passed; 0 failed; 2 ignored; 0 measured; 0 filtered out; finished in 0.29s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "8c3896b45f90199df848747a4088ccf1674bec70eb4b33379635582a738cffa3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8c3896b45f90199df848747a4088ccf1674bec70eb4b33379635582a738cffa3", kill_on_drop: false }` [INFO] [stdout] 8c3896b45f90199df848747a4088ccf1674bec70eb4b33379635582a738cffa3