[INFO] fetching crate lossyq 0.1.19... [INFO] checking lossyq-0.1.19 against master#d62d3f7fa9a91d933213cc10e20e740608983f64 for pr-77015 [INFO] extracting crate lossyq 0.1.19 into /workspace/builds/worker-2/source [INFO] validating manifest of crates.io crate lossyq 0.1.19 on toolchain d62d3f7fa9a91d933213cc10e20e740608983f64 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d62d3f7fa9a91d933213cc10e20e740608983f64" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking crates.io crate lossyq 0.1.19 [INFO] finished tweaking crates.io crate lossyq 0.1.19 [INFO] tweaked toml for crates.io crate lossyq 0.1.19 written to /workspace/builds/worker-2/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d62d3f7fa9a91d933213cc10e20e740608983f64" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d62d3f7fa9a91d933213cc10e20e740608983f64" "fetch" "--locked" "--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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+d62d3f7fa9a91d933213cc10e20e740608983f64" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 3aaec52391ec89f786793ad559d0e4e038a07131ecb9d7268817afa7f8d005f2 [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" "3aaec52391ec89f786793ad559d0e4e038a07131ecb9d7268817afa7f8d005f2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "3aaec52391ec89f786793ad559d0e4e038a07131ecb9d7268817afa7f8d005f2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3aaec52391ec89f786793ad559d0e4e038a07131ecb9d7268817afa7f8d005f2", kill_on_drop: false }` [INFO] [stdout] 3aaec52391ec89f786793ad559d0e4e038a07131ecb9d7268817afa7f8d005f2 [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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+d62d3f7fa9a91d933213cc10e20e740608983f64" "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] ed2561e08f10e5b30b2815151a3b9839351aca6f7b754d9894a9fc0ebeded6de [INFO] running `Command { std: "docker" "start" "-a" "ed2561e08f10e5b30b2815151a3b9839351aca6f7b754d9894a9fc0ebeded6de", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.78 [INFO] [stderr] Checking lossyq v0.1.19 (/opt/rustwide/workdir) [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/spsc/noloss.rs:16:37 [INFO] [stdout] | [INFO] [stdout] 16 | overflow: &mut Overflow) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Overflow` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking time v0.1.44 [INFO] [stdout] warning: unnecessary parentheses around block return value [INFO] [stdout] --> src/cb/tests.rs:144:71 [INFO] [stdout] | [INFO] [stdout] 144 | let c = x.iter().fold(String::new(), |mut acc,x| { acc.push_str(x); (acc) } ); [INFO] [stdout] | ^^^^^ help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/spsc/noloss.rs:16:37 [INFO] [stdout] | [INFO] [stdout] 16 | overflow: &mut Overflow) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Overflow` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 2.59s [INFO] running `Command { std: "docker" "inspect" "ed2561e08f10e5b30b2815151a3b9839351aca6f7b754d9894a9fc0ebeded6de", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ed2561e08f10e5b30b2815151a3b9839351aca6f7b754d9894a9fc0ebeded6de", kill_on_drop: false }` [INFO] [stdout] ed2561e08f10e5b30b2815151a3b9839351aca6f7b754d9894a9fc0ebeded6de