[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] checking fastly/prometheus-utils against try#39e1293fce4b650061e85dda88aa428f726a8444 for pr-88041 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffastly%2Fprometheus-utils" "/workspace/builds/worker-76/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-76/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/fastly/prometheus-utils on toolchain 39e1293fce4b650061e85dda88aa428f726a8444 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+39e1293fce4b650061e85dda88aa428f726a8444" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] removed /workspace/builds/worker-76/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-76/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" "+39e1293fce4b650061e85dda88aa428f726a8444" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded prometheus v0.12.0 [INFO] [stderr] Downloaded protobuf v2.24.1 [INFO] [stderr] Downloaded tokio v1.9.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-76/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-76/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" "+39e1293fce4b650061e85dda88aa428f726a8444" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] d496698028b32f171603c89b7113751134f4c0843cacbc98c00bea8dd9f2ffed [INFO] running `Command { std: "docker" "start" "-a" "d496698028b32f171603c89b7113751134f4c0843cacbc98c00bea8dd9f2ffed", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "d496698028b32f171603c89b7113751134f4c0843cacbc98c00bea8dd9f2ffed", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d496698028b32f171603c89b7113751134f4c0843cacbc98c00bea8dd9f2ffed", kill_on_drop: false }` [INFO] [stdout] d496698028b32f171603c89b7113751134f4c0843cacbc98c00bea8dd9f2ffed [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-76/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-76/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" "+39e1293fce4b650061e85dda88aa428f726a8444" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 7879342e89fce8c15f38cdcc19c0918d280f7d9e98e16420bbdf5d6bebb0a693 [INFO] running `Command { std: "docker" "start" "-a" "7879342e89fce8c15f38cdcc19c0918d280f7d9e98e16420bbdf5d6bebb0a693", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling syn v1.0.74 [INFO] [stderr] Compiling protobuf v2.24.1 [INFO] [stderr] Compiling prometheus v0.12.0 [INFO] [stderr] Compiling paste v1.0.5 [INFO] [stderr] Checking pin-project-lite v0.2.7 [INFO] [stderr] Checking instant v0.1.10 [INFO] [stderr] Checking lock_api v0.4.4 [INFO] [stderr] Compiling num-traits v0.2.14 [INFO] [stderr] Compiling tokio v1.9.0 [INFO] [stderr] Checking memchr v2.4.0 [INFO] [stderr] Checking signal-hook-registry v1.4.0 [INFO] [stderr] Checking mio v0.7.13 [INFO] [stderr] Checking parking_lot_core v0.8.3 [INFO] [stderr] Checking 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 tokio-macros v1.3.0 [INFO] [stderr] Checking thiserror v1.0.26 [INFO] [stderr] Checking pin-project v1.0.8 [INFO] [stderr] Checking 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] [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 51.09s [INFO] running `Command { std: "docker" "inspect" "7879342e89fce8c15f38cdcc19c0918d280f7d9e98e16420bbdf5d6bebb0a693", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7879342e89fce8c15f38cdcc19c0918d280f7d9e98e16420bbdf5d6bebb0a693", kill_on_drop: false }` [INFO] [stdout] 7879342e89fce8c15f38cdcc19c0918d280f7d9e98e16420bbdf5d6bebb0a693