[INFO] fetching crate lspower 1.5.0...
[INFO] testing lspower-1.5.0 against try#0abe69e6c16114311cc2700e972492e64d69c28f for pr-154065-1
[INFO] extracting crate lspower 1.5.0 into /workspace/builds/worker-6-tc2/source
[INFO] removed /workspace/builds/worker-6-tc2/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-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate lspower 1.5.0 on toolchain 0abe69e6c16114311cc2700e972492e64d69c28f
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0abe69e6c16114311cc2700e972492e64d69c28f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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" "+0abe69e6c16114311cc2700e972492e64d69c28f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+0abe69e6c16114311cc2700e972492e64d69c28f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d88cf321245547932606971d1ec4467f1a1fef3ee894327a4f61121afbb8b94a
[INFO] running `Command { std: "docker" "start" "-a" "d88cf321245547932606971d1ec4467f1a1fef3ee894327a4f61121afbb8b94a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d88cf321245547932606971d1ec4467f1a1fef3ee894327a4f61121afbb8b94a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d88cf321245547932606971d1ec4467f1a1fef3ee894327a4f61121afbb8b94a", kill_on_drop: false }`
[INFO] [stdout] d88cf321245547932606971d1ec4467f1a1fef3ee894327a4f61121afbb8b94a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+0abe69e6c16114311cc2700e972492e64d69c28f" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 089fcb48bc42cc03a5343f993a9c607133e2e2e16d7059fbdf460c39220a9b9c
[INFO] running `Command { std: "docker" "start" "-a" "089fcb48bc42cc03a5343f993a9c607133e2e2e16d7059fbdf460c39220a9b9c", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.33
[INFO] [stderr]    Compiling syn v1.0.82
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]    Compiling futures-core v0.3.18
[INFO] [stderr]    Compiling serde_derive v1.0.130
[INFO] [stderr]    Compiling tinyvec_macros v0.1.0
[INFO] [stderr]    Compiling serde v1.0.130
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling futures-task v0.3.18
[INFO] [stderr]    Compiling matches v0.1.9
[INFO] [stderr]    Compiling ryu v1.0.6
[INFO] [stderr]    Compiling pin-project-lite v0.2.7
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling libc v0.2.109
[INFO] [stderr]    Compiling futures-sink v0.3.18
[INFO] [stderr]    Compiling futures-channel v0.3.18
[INFO] [stderr]    Compiling futures-util v0.3.18
[INFO] [stderr]    Compiling serde_json v1.0.72
[INFO] [stderr]    Compiling tinyvec v1.5.1
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling unicode-bidi v0.3.7
[INFO] [stderr]    Compiling percent-encoding v2.1.0
[INFO] [stderr]    Compiling tokio v1.14.0
[INFO] [stderr]    Compiling async-trait v0.1.51
[INFO] [stderr]    Compiling itoa v0.4.8
[INFO] [stderr]    Compiling form_urlencoded v1.0.1
[INFO] [stderr]    Compiling httparse v1.5.1
[INFO] [stderr]    Compiling slab v0.4.5
[INFO] [stderr]    Compiling anyhow v1.0.51
[INFO] [stderr]    Compiling futures-io v0.3.18
[INFO] [stderr]    Compiling unicode-segmentation v1.8.0
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling unchecked-index v0.2.2
[INFO] [stderr]    Compiling bytes v1.1.0
[INFO] [stderr]    Compiling tower-service v0.3.1
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling quote v1.0.10
[INFO] [stderr]    Compiling dashmap v4.0.2
[INFO] [stderr]    Compiling unicode-normalization v0.1.19
[INFO] [stderr]    Compiling twoway v0.2.2
[INFO] [stderr]    Compiling tokio-util v0.6.9
[INFO] [stderr]    Compiling idna v0.2.3
[INFO] [stderr]    Compiling futures-macro v0.3.18
[INFO] [stderr]    Compiling thiserror-impl v1.0.30
[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]    Compiling thiserror v1.0.30
[INFO] [stderr]    Compiling futures v0.3.18
[INFO] [stderr]    Compiling url v2.2.2
[INFO] [stderr]    Compiling lsp-types v0.91.1
[INFO] [stderr]    Compiling lspower v1.5.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 34.28s
[INFO] running `Command { std: "docker" "inspect" "089fcb48bc42cc03a5343f993a9c607133e2e2e16d7059fbdf460c39220a9b9c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "089fcb48bc42cc03a5343f993a9c607133e2e2e16d7059fbdf460c39220a9b9c", kill_on_drop: false }`
[INFO] [stdout] 089fcb48bc42cc03a5343f993a9c607133e2e2e16d7059fbdf460c39220a9b9c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+0abe69e6c16114311cc2700e972492e64d69c28f" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 15f3f457c40f6e1f5d166b57d4f90bac0d96b09dd4ff93700d339bf80578d4b8
[INFO] running `Command { std: "docker" "start" "-a" "15f3f457c40f6e1f5d166b57d4f90bac0d96b09dd4ff93700d339bf80578d4b8", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.82
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling semver v1.0.4
[INFO] [stderr]    Compiling tokio v1.14.0
[INFO] [stderr]    Compiling typenum v1.14.0
[INFO] [stderr]    Compiling generic-array v0.14.4
[INFO] [stderr]    Compiling itoa v0.4.8
[INFO] [stderr]    Compiling getrandom v0.2.3
[INFO] [stderr]    Compiling indexmap v1.7.0
[INFO] [stderr]    Compiling ppv-lite86 v0.2.15
[INFO] [stderr]    Compiling opaque-debug v0.3.0
[INFO] [stderr]    Compiling hashbrown v0.11.2
[INFO] [stderr]    Compiling serde_json v1.0.72
[INFO] [stderr]    Compiling cpufeatures v0.2.1
[INFO] [stderr]    Compiling utf-8 v0.7.6
[INFO] [stderr]    Compiling byteorder v1.4.3
[INFO] [stderr]    Compiling base64 v0.13.0
[INFO] [stderr]    Compiling aho-corasick v0.7.18
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]    Compiling http v0.2.5
[INFO] [stderr]    Compiling regex-syntax v0.6.25
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling termcolor v1.1.2
[INFO] [stderr]    Compiling tower-layer v0.3.1
[INFO] [stderr]    Compiling humantime v2.1.0
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling mio v0.7.14
[INFO] [stderr]    Compiling rustc_version v0.4.0
[INFO] [stderr]    Compiling rand v0.8.4
[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]    Compiling regex v1.5.4
[INFO] [stderr]    Compiling digest v0.9.0
[INFO] [stderr]    Compiling block-buffer v0.9.0
[INFO] [stderr]    Compiling sha-1 v0.9.8
[INFO] [stderr]    Compiling env_logger v0.9.0
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling tokio-macros v1.6.0
[INFO] [stderr]    Compiling futures-macro v0.3.18
[INFO] [stderr]    Compiling serde_derive v1.0.130
[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 async-trait v0.1.51
[INFO] [stderr]    Compiling lspower-macros v0.2.1
[INFO] [stderr]    Compiling auto_impl v0.5.0
[INFO] [stderr]    Compiling async-stream v0.3.2
[INFO] [stderr]    Compiling futures-util v0.3.18
[INFO] [stderr]    Compiling thiserror v1.0.30
[INFO] [stderr]    Compiling pin-project v1.0.8
[INFO] [stderr]    Compiling serde v1.0.130
[INFO] [stderr]    Compiling futures-executor v0.3.18
[INFO] [stderr]    Compiling futures v0.3.18
[INFO] [stderr]    Compiling tokio-stream v0.1.8
[INFO] [stderr]    Compiling tokio-util v0.6.9
[INFO] [stderr]    Compiling tokio-test v0.4.2
[INFO] [stderr]    Compiling tower-test v0.4.0
[INFO] [stderr]    Compiling url v2.2.2
[INFO] [stderr]    Compiling tungstenite v0.16.0
[INFO] [stderr]    Compiling lsp-types v0.91.1
[INFO] [stderr]    Compiling async-tungstenite v0.16.0
[INFO] [stderr]    Compiling 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)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 839 |             let _ = format!("{:?}", canceller);
[INFO] [stdout]     |             +++++++
[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] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 845 |             let _ = format!("{:?}", canceller);
[INFO] [stdout]     |             +++++++
[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] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 146 |             let _ = format!("{:?}", client_requests);
[INFO] [stdout]     |             +++++++
[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] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 189 |             let _ = format!("{:?}", server_requests);
[INFO] [stdout]     |             +++++++
[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] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 255 |             let _ = format!("{}", request);
[INFO] [stdout]     |             +++++++
[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] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 190 |         let _ = format!("{:?}", service);
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `lspower` (example "custom_request")
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/rustup-home/toolchains/0abe69e6c16114311cc2700e972492e64d69c28f/bin/rustc --crate-name custom_request --edition=2021 examples/custom_request.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type bin --emit=dep-info,link -C embed-bitcode=no -C debuginfo=2 --cfg 'feature="default"' --cfg 'feature="runtime-tokio"' --cfg 'feature="tokio"' --cfg 'feature="tokio-util"' --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values("async-codec-lite", "default", "runtime-agnostic", "runtime-tokio", "tokio", "tokio-util"))' -C metadata=b40c01a085e71f52 -C extra-filename=-f05d90b6ccbcf463 --out-dir /opt/rustwide/target/debug/examples -L dependency=/opt/rustwide/target/debug/deps --extern anyhow=/opt/rustwide/target/debug/deps/libanyhow-10c77b8ccab9f654.rlib --extern async_trait=/opt/rustwide/target/debug/deps/libasync_trait-86fa38fb415eca60.so --extern async_tungstenite=/opt/rustwide/target/debug/deps/libasync_tungstenite-86fb2b166ecd9524.rlib --extern auto_impl=/opt/rustwide/target/debug/deps/libauto_impl-2cd65f734f035197.so --extern bytes=/opt/rustwide/target/debug/deps/libbytes-8210432e63828fd8.rlib --extern dashmap=/opt/rustwide/target/debug/deps/libdashmap-36d9d2168f196961.rlib --extern env_logger=/opt/rustwide/target/debug/deps/libenv_logger-7de1e15b5edde9ab.rlib --extern futures=/opt/rustwide/target/debug/deps/libfutures-a498f43854d213de.rlib --extern httparse=/opt/rustwide/target/debug/deps/libhttparse-094961d33fdb95f8.rlib --extern log=/opt/rustwide/target/debug/deps/liblog-ee86747272c8508a.rlib --extern lsp=/opt/rustwide/target/debug/deps/liblsp_types-bcccc1e82ea48f3b.rlib --extern lspower=/opt/rustwide/target/debug/deps/liblspower-701c9e8db08e480c.rlib --extern lspower_macros=/opt/rustwide/target/debug/deps/liblspower_macros-8a82d0335ee29f0d.so --extern serde=/opt/rustwide/target/debug/deps/libserde-851bf53eb062972b.rlib --extern serde_json=/opt/rustwide/target/debug/deps/libserde_json-14877bd79debc887.rlib --extern thiserror=/opt/rustwide/target/debug/deps/libthiserror-17c377c2032b6204.rlib --extern tokio=/opt/rustwide/target/debug/deps/libtokio-1a893daeb5d3197d.rlib --extern tokio_util=/opt/rustwide/target/debug/deps/libtokio_util-2bb6950f9163e035.rlib --extern tower_service=/opt/rustwide/target/debug/deps/libtower_service-2dc84133e3370862.rlib --extern tower_test=/opt/rustwide/target/debug/deps/libtower_test-7f40f27be1bb1b85.rlib --extern twoway=/opt/rustwide/target/debug/deps/libtwoway-e3a22f9120f9a8d0.rlib --extern ws_stream_tungstenite=/opt/rustwide/target/debug/deps/libws_stream_tungstenite-6be64cec78505cf6.rlib --cap-lints=forbid` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "15f3f457c40f6e1f5d166b57d4f90bac0d96b09dd4ff93700d339bf80578d4b8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "15f3f457c40f6e1f5d166b57d4f90bac0d96b09dd4ff93700d339bf80578d4b8", kill_on_drop: false }`
[INFO] [stdout] 15f3f457c40f6e1f5d166b57d4f90bac0d96b09dd4ff93700d339bf80578d4b8
