[INFO] fetching crate lspower 1.5.0... [INFO] checking lspower-1.5.0 against master#ab869e094a907cc5d19b4080f22eccaf347f1f95 for pr-129604 [INFO] extracting crate lspower 1.5.0 into /workspace/builds/worker-0-tc1/source [INFO] validating manifest of crates.io crate lspower 1.5.0 on toolchain ab869e094a907cc5d19b4080f22eccaf347f1f95 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] removed /workspace/builds/worker-0-tc1/source/.cargo/config [INFO] started tweaking crates.io crate lspower 1.5.0 [INFO] finished tweaking crates.io crate lspower 1.5.0 [INFO] tweaked toml for crates.io crate lspower 1.5.0 written to /workspace/builds/worker-0-tc1/source/Cargo.toml [INFO] crate crates.io crate lspower 1.5.0 already has a lockfile, it will not be regenerated [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded tokio-macros v1.6.0 [INFO] [stderr] Downloaded async-stream-impl v0.3.2 [INFO] [stderr] Downloaded futures-sink v0.3.18 [INFO] [stderr] Downloaded lspower-macros v0.2.1 [INFO] [stderr] Downloaded futures-task v0.3.18 [INFO] [stderr] Downloaded async-codec-lite v0.0.0 [INFO] [stderr] Downloaded auto_impl v0.5.0 [INFO] [stderr] Downloaded async-tungstenite v0.16.0 [INFO] [stderr] Downloaded lsp-types v0.91.1 [INFO] [stderr] Downloaded proc-macro2 v1.0.33 [INFO] [stderr] Downloaded futures-channel v0.3.18 [INFO] [stderr] Downloaded futures-util v0.3.18 [INFO] [stderr] Downloaded futures v0.3.18 [INFO] [stderr] Downloaded ws_stream_tungstenite v0.7.0 [INFO] [stderr] Downloaded async-stream v0.3.2 [INFO] [stderr] Downloaded twoway v0.2.2 [INFO] [stderr] Downloaded serde_repr v0.1.7 [INFO] [stderr] Downloaded tokio-test v0.4.2 [INFO] [stderr] Downloaded tower-layer v0.3.1 [INFO] [stderr] Downloaded unchecked-index v0.2.2 [INFO] [stderr] Downloaded futures-executor v0.3.18 [INFO] [stderr] Downloaded futures-core v0.3.18 [INFO] [stderr] Downloaded futures-io v0.3.18 [INFO] [stderr] Downloaded futures-macro v0.3.18 [INFO] [stderr] Downloaded tower-test v0.4.0 [INFO] [stderr] Downloaded tokio v1.14.0 [INFO] [stderr] Downloaded libc v0.2.109 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 1467011cbdb9697b30fdf75200cfa46d1ffcef406fd61f81eb7dea350a9682cb [INFO] running `Command { std: "docker" "start" "-a" "1467011cbdb9697b30fdf75200cfa46d1ffcef406fd61f81eb7dea350a9682cb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "1467011cbdb9697b30fdf75200cfa46d1ffcef406fd61f81eb7dea350a9682cb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1467011cbdb9697b30fdf75200cfa46d1ffcef406fd61f81eb7dea350a9682cb", kill_on_drop: false }` [INFO] [stdout] 1467011cbdb9697b30fdf75200cfa46d1ffcef406fd61f81eb7dea350a9682cb [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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" "RUSTDOCFLAGS=--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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 7b76eea5d3d3b5b4624f4fda2ad0908acae4caf4fd06f19af694088aaae44692 [INFO] running `Command { std: "docker" "start" "-a" "7b76eea5d3d3b5b4624f4fda2ad0908acae4caf4fd06f19af694088aaae44692", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.33 [INFO] [stderr] Compiling syn v1.0.82 [INFO] [stderr] Compiling libc v0.2.109 [INFO] [stderr] Compiling memchr v2.4.1 [INFO] [stderr] Compiling futures-core v0.3.18 [INFO] [stderr] Compiling semver v1.0.4 [INFO] [stderr] Compiling futures-task v0.3.18 [INFO] [stderr] Checking futures-sink v0.3.18 [INFO] [stderr] Compiling futures-channel v0.3.18 [INFO] [stderr] Compiling tokio v1.14.0 [INFO] [stderr] Compiling serde_derive v1.0.130 [INFO] [stderr] Compiling futures-util v0.3.18 [INFO] [stderr] Compiling serde v1.0.130 [INFO] [stderr] Checking futures-io v0.3.18 [INFO] [stderr] Compiling indexmap v1.7.0 [INFO] [stderr] Compiling ryu v1.0.6 [INFO] [stderr] Compiling serde_json v1.0.72 [INFO] [stderr] Compiling async-trait v0.1.51 [INFO] [stderr] Compiling anyhow v1.0.51 [INFO] [stderr] Checking unchecked-index v0.2.2 [INFO] [stderr] Checking tower-layer v0.3.1 [INFO] [stderr] Compiling rustc_version v0.4.0 [INFO] [stderr] Compiling quote v1.0.10 [INFO] [stderr] Checking aho-corasick v0.7.18 [INFO] [stderr] Checking twoway v0.2.2 [INFO] [stderr] Compiling pharos v0.5.3 [INFO] [stderr] Compiling async_io_stream v0.3.3 [INFO] [stderr] Compiling ws_stream_tungstenite v0.7.0 [INFO] [stderr] Checking num_cpus v1.13.0 [INFO] [stderr] Checking mio v0.7.14 [INFO] [stderr] Checking getrandom v0.2.3 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking dashmap v4.0.2 [INFO] [stderr] Compiling proc-macro-error-attr v1.0.4 [INFO] [stderr] Checking rand_core v0.6.3 [INFO] [stderr] Checking rand_chacha v0.3.1 [INFO] [stderr] Checking rand v0.8.4 [INFO] [stderr] Checking regex v1.5.4 [INFO] [stderr] Checking env_logger v0.9.0 [INFO] [stderr] Compiling proc-macro-error v1.0.4 [INFO] [stderr] Compiling futures-macro v0.3.18 [INFO] [stderr] Compiling tokio-macros v1.6.0 [INFO] [stderr] Compiling thiserror-impl v1.0.30 [INFO] [stderr] Compiling async-stream-impl v0.3.2 [INFO] [stderr] Compiling pin-project-internal v1.0.8 [INFO] [stderr] Compiling serde_repr v0.1.7 [INFO] [stderr] Compiling lspower-macros v0.2.1 [INFO] [stderr] Compiling auto_impl v0.5.0 [INFO] [stderr] Checking async-stream v0.3.2 [INFO] [stderr] Checking pin-project v1.0.8 [INFO] [stderr] Checking thiserror v1.0.30 [INFO] [stderr] Checking futures-executor v0.3.18 [INFO] [stderr] Checking futures v0.3.18 [INFO] [stderr] Checking tokio-stream v0.1.8 [INFO] [stderr] Checking tokio-util v0.6.9 [INFO] [stderr] Checking tokio-test v0.4.2 [INFO] [stderr] Checking tower-test v0.4.0 [INFO] [stderr] Checking url v2.2.2 [INFO] [stderr] Checking tungstenite v0.16.0 [INFO] [stderr] Checking lsp-types v0.91.1 [INFO] [stderr] Checking async-tungstenite v0.16.0 [INFO] [stderr] Checking lspower v1.5.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused return value of `must_use` that must be used [INFO] [stdout] --> src/client.rs:839:13 [INFO] [stdout] | [INFO] [stdout] 839 | format!("{:?}", canceller); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this warning originates in the macro `format` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `must_use` that must be used [INFO] [stdout] --> src/client.rs:845:13 [INFO] [stdout] | [INFO] [stdout] 845 | format!("{:?}", canceller); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this warning originates in the macro `format` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `must_use` that must be used [INFO] [stdout] --> src/jsonrpc/pending.rs:146:13 [INFO] [stdout] | [INFO] [stdout] 146 | format!("{:?}", client_requests); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this warning originates in the macro `format` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `must_use` that must be used [INFO] [stdout] --> src/jsonrpc/pending.rs:189:13 [INFO] [stdout] | [INFO] [stdout] 189 | format!("{:?}", server_requests); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this warning originates in the macro `format` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `must_use` that must be used [INFO] [stdout] --> src/jsonrpc.rs:255:13 [INFO] [stdout] | [INFO] [stdout] 255 | format!("{}", request); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this warning originates in the macro `format` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `must_use` that must be used [INFO] [stdout] --> src/service.rs:190:9 [INFO] [stdout] | [INFO] [stdout] 190 | format!("{:?}", service); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this warning originates in the macro `format` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 6 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 29.72s [INFO] running `Command { std: "docker" "inspect" "7b76eea5d3d3b5b4624f4fda2ad0908acae4caf4fd06f19af694088aaae44692", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7b76eea5d3d3b5b4624f4fda2ad0908acae4caf4fd06f19af694088aaae44692", kill_on_drop: false }` [INFO] [stdout] 7b76eea5d3d3b5b4624f4fda2ad0908acae4caf4fd06f19af694088aaae44692