[INFO] fetching crate tk-carbon 0.2.0... [INFO] checking tk-carbon-0.2.0 against try#39e1293fce4b650061e85dda88aa428f726a8444 for pr-88041 [INFO] extracting crate tk-carbon 0.2.0 into /workspace/builds/worker-1/source [INFO] validating manifest of crates.io crate tk-carbon 0.2.0 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] started tweaking crates.io crate tk-carbon 0.2.0 [INFO] finished tweaking crates.io crate tk-carbon 0.2.0 [INFO] tweaked toml for crates.io crate tk-carbon 0.2.0 written to /workspace/builds/worker-1/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+39e1293fce4b650061e85dda88aa428f726a8444" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+39e1293fce4b650061e85dda88aa428f726a8444" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded tk-easyloop v0.1.1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] 16a4fe9fb83663642be67cfeea2900019e0b18651bd7a9870e76b2c46792a77c [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" "16a4fe9fb83663642be67cfeea2900019e0b18651bd7a9870e76b2c46792a77c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "16a4fe9fb83663642be67cfeea2900019e0b18651bd7a9870e76b2c46792a77c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "16a4fe9fb83663642be67cfeea2900019e0b18651bd7a9870e76b2c46792a77c", kill_on_drop: false }` [INFO] [stdout] 16a4fe9fb83663642be67cfeea2900019e0b18651bd7a9870e76b2c46792a77c [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 25bfc64da6fd80f75c9e70d3589b737a07777d0107c41dd17f327b3556507564 [INFO] running `Command { std: "docker" "start" "-a" "25bfc64da6fd80f75c9e70d3589b737a07777d0107c41dd17f327b3556507564", kill_on_drop: false }` [INFO] [stderr] Checking void v1.0.2 [INFO] [stderr] Checking async-slot v0.1.0 [INFO] [stderr] Checking regex-syntax v0.5.6 [INFO] [stderr] Compiling regex v0.2.11 [INFO] [stderr] Checking rand v0.3.23 [INFO] [stderr] Checking num-traits v0.1.43 [INFO] [stderr] Checking tokio-codec v0.1.2 [INFO] [stderr] Checking tk-bufstream v0.3.0 [INFO] [stderr] Checking tokio-reactor v0.1.12 [INFO] [stderr] Checking tokio-fs v0.1.7 [INFO] [stderr] Checking abstract-ns v0.4.3 [INFO] [stderr] Checking tokio-tcp v0.1.4 [INFO] [stderr] Checking tokio-uds v0.2.7 [INFO] [stderr] Checking tokio-udp v0.1.6 [INFO] [stderr] Checking ns-std-threaded v0.3.0 [INFO] [stderr] Checking tokio v0.1.22 [INFO] [stderr] Checking tokio-core v0.1.18 [INFO] [stderr] Checking tk-easyloop v0.1.1 [INFO] [stderr] Checking ns-router v0.1.6 [INFO] [stderr] Checking tk-carbon v0.2.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/pool.rs:32:28 [INFO] [stdout] | [INFO] [stdout] 32 | Box, Error=io::Error>>)>, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future, Error=io::Error>` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking env_logger v0.4.3 [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/pool.rs:32:28 [INFO] [stdout] | [INFO] [stdout] 32 | Box, Error=io::Error>>)>, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future, Error=io::Error>` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 5.48s [INFO] running `Command { std: "docker" "inspect" "25bfc64da6fd80f75c9e70d3589b737a07777d0107c41dd17f327b3556507564", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "25bfc64da6fd80f75c9e70d3589b737a07777d0107c41dd17f327b3556507564", kill_on_drop: false }` [INFO] [stdout] 25bfc64da6fd80f75c9e70d3589b737a07777d0107c41dd17f327b3556507564