[INFO] fetching crate apache-dubbo 0.1.0...
[INFO] checking apache-dubbo-0.1.0 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] extracting crate apache-dubbo 0.1.0 into /workspace/builds/worker-0-tc1/source
[INFO] validating manifest of crates.io crate apache-dubbo 0.1.0 on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate apache-dubbo 0.1.0
[INFO] finished tweaking crates.io crate apache-dubbo 0.1.0
[INFO] tweaked toml for crates.io crate apache-dubbo 0.1.0 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 134 packages
[INFO] [stderr]       Adding axum v0.5.17 (latest: v0.7.5)
[INFO] [stderr]       Adding axum-core v0.2.9 (latest: v0.4.3)
[INFO] [stderr]       Adding base64 v0.13.1 (latest: v0.22.0)
[INFO] [stderr]       Adding bitflags v1.3.2 (latest: v2.5.0)
[INFO] [stderr]       Adding dubbo-config v0.1.0 (latest: v0.3.0)
[INFO] [stderr]       Adding h2 v0.3.26 (latest: v0.4.4)
[INFO] [stderr]       Adding hashbrown v0.12.3 (latest: v0.14.3)
[INFO] [stderr]       Adding http v0.2.12 (latest: v1.1.0)
[INFO] [stderr]       Adding http-body v0.4.6 (latest: v1.0.0)
[INFO] [stderr]       Adding http-range-header v0.3.1 (latest: v0.4.0)
[INFO] [stderr]       Adding hyper v0.14.28 (latest: v1.2.0)
[INFO] [stderr]       Adding hyper-timeout v0.4.1 (latest: v0.5.1)
[INFO] [stderr]       Adding indexmap v1.9.3 (latest: v2.2.6)
[INFO] [stderr]       Adding itertools v0.10.5 (latest: v0.12.1)
[INFO] [stderr]       Adding matchit v0.5.0 (latest: v0.8.0)
[INFO] [stderr]       Adding nu-ansi-term v0.46.0 (latest: v0.50.0)
[INFO] [stderr]       Adding object v0.32.2 (latest: v0.34.0)
[INFO] [stderr]       Adding prost v0.10.4 (latest: v0.12.4)
[INFO] [stderr]       Adding prost-derive v0.10.1 (latest: v0.12.4)
[INFO] [stderr]       Adding syn v1.0.109 (latest: v2.0.58)
[INFO] [stderr]       Adding sync_wrapper v0.1.2 (latest: v1.0.0)
[INFO] [stderr]       Adding tonic v0.7.2 (latest: v0.11.0)
[INFO] [stderr]       Adding tower-http v0.3.5 (latest: v0.5.2)
[INFO] [stderr]       Adding wasi v0.11.0+wasi-snapshot-preview1 (latest: v0.13.0+wasi-0.2.0)
[INFO] [stderr]       Adding windows-sys v0.48.0 (latest: v0.52.0)
[INFO] [stderr]       Adding windows-targets v0.48.5 (latest: v0.52.4)
[INFO] [stderr]       Adding windows_aarch64_gnullvm v0.48.5 (latest: v0.52.4)
[INFO] [stderr]       Adding windows_aarch64_msvc v0.48.5 (latest: v0.52.4)
[INFO] [stderr]       Adding windows_i686_gnu v0.48.5 (latest: v0.52.4)
[INFO] [stderr]       Adding windows_i686_msvc v0.48.5 (latest: v0.52.4)
[INFO] [stderr]       Adding windows_x86_64_gnu v0.48.5 (latest: v0.52.4)
[INFO] [stderr]       Adding windows_x86_64_gnullvm v0.48.5 (latest: v0.52.4)
[INFO] [stderr]       Adding windows_x86_64_msvc v0.48.5 (latest: v0.52.4)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded tracing-attributes v0.1.27
[INFO] [stderr]   Downloaded tracing-log v0.2.0
[INFO] [stderr]   Downloaded nu-ansi-term v0.46.0
[INFO] [stderr]   Downloaded thread_local v1.1.8
[INFO] [stderr]   Downloaded valuable v0.1.0
[INFO] [stderr]   Downloaded dubbo-config v0.1.0
[INFO] [stderr]   Downloaded async-stream-impl v0.3.5
[INFO] [stderr]   Downloaded http-range-header v0.3.1
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[INFO] [stderr]   Downloaded serde_yaml v0.9.34+deprecated
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[INFO] [stderr]   Downloaded axum-core v0.2.9
[INFO] [stderr]   Downloaded matchit v0.5.0
[INFO] [stderr]   Downloaded tokio-io-timeout v1.2.0
[INFO] [stderr]   Downloaded hyper-timeout v0.4.1
[INFO] [stderr]   Downloaded prost v0.10.4
[INFO] [stderr]   Downloaded tokio-stream v0.1.15
[INFO] [stderr]   Downloaded tokio-macros v2.2.0
[INFO] [stderr]   Downloaded overload v0.1.1
[INFO] [stderr]   Downloaded sharded-slab v0.1.7
[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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 40eabfe10bd6cba2790e808c8b35b3ed454d813cdab3ca39898779e0de23fcb9
[INFO] running `Command { std: "docker" "start" "-a" "40eabfe10bd6cba2790e808c8b35b3ed454d813cdab3ca39898779e0de23fcb9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "40eabfe10bd6cba2790e808c8b35b3ed454d813cdab3ca39898779e0de23fcb9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "40eabfe10bd6cba2790e808c8b35b3ed454d813cdab3ca39898779e0de23fcb9", kill_on_drop: false }`
[INFO] [stdout] 40eabfe10bd6cba2790e808c8b35b3ed454d813cdab3ca39898779e0de23fcb9
[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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 31b64b50957fc82a7692c2a0878a01105fc5dea77e94c9c907dba5b7306c39bd
[INFO] running `Command { std: "docker" "start" "-a" "31b64b50957fc82a7692c2a0878a01105fc5dea77e94c9c907dba5b7306c39bd", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.79
[INFO] [stderr]    Compiling unicode-ident v1.0.12
[INFO] [stderr]    Compiling libc v0.2.153
[INFO] [stderr]     Checking pin-project-lite v0.2.14
[INFO] [stderr]    Compiling autocfg v1.2.0
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[INFO] [stderr]     Checking tracing-core v0.1.32
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[INFO] [stderr]    Compiling slab v0.4.9
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[INFO] [stderr]    Compiling serde v1.0.197
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[INFO] [stderr]     Checking http v0.2.12
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[INFO] [stderr]     Checking ryu v1.0.17
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[INFO] [stderr]    Compiling syn v1.0.109
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[INFO] [stderr]    Compiling anyhow v1.0.81
[INFO] [stderr]    Compiling quote v1.0.35
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[INFO] [stderr]    Compiling syn v2.0.58
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[INFO] [stderr]    Compiling async-trait v0.1.79
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[INFO] [stderr]     Checking num_cpus v1.16.0
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[INFO] [stderr]    Compiling crc32fast v1.4.0
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[INFO] [stderr]    Compiling itertools v0.10.5
[INFO] [stderr]     Checking bitflags v1.3.2
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[INFO] [stderr]     Checking mime v0.3.17
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[INFO] [stderr]     Checking matchit v0.5.0
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[INFO] [stderr]     Checking tracing-log v0.2.0
[INFO] [stderr]     Checking thread_local v1.1.8
[INFO] [stderr]     Checking flate2 v1.0.28
[INFO] [stderr]     Checking base64 v0.13.1
[INFO] [stderr]     Checking smallvec v1.13.2
[INFO] [stderr]     Checking tracing-subscriber v0.3.18
[INFO] [stderr]    Compiling prost-derive v0.10.1
[INFO] [stderr]    Compiling tokio-macros v2.2.0
[INFO] [stderr]    Compiling futures-macro v0.3.30
[INFO] [stderr]    Compiling tracing-attributes v0.1.27
[INFO] [stderr]    Compiling serde_derive v1.0.197
[INFO] [stderr]    Compiling pin-project-internal v1.1.5
[INFO] [stderr]    Compiling async-stream-impl v0.3.5
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[INFO] [stderr]     Checking axum v0.5.17
[INFO] [stderr]     Checking tonic v0.7.2
[INFO] [stderr]     Checking apache-dubbo v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `Box` is imported redundantly
[INFO] [stdout]   --> src/protocol/triple/triple_protocol.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 18 | use std::boxed::Box;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout]   --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:144:13
[INFO] [stdout]    |
[INFO] [stdout]    = note: the item `Box` is already defined here
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Box` is imported redundantly
[INFO] [stdout]   --> src/protocol/triple/triple_protocol.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 18 | use std::boxed::Box;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout]   --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:144:13
[INFO] [stdout]    |
[INFO] [stdout]    = note: the item `Box` is already defined here
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `u1`
[INFO] [stdout]   --> src/common/url.rs:99:13
[INFO] [stdout]    |
[INFO] [stdout] 99 |         let u1 = Url::from_url("");
[INFO] [stdout]    |             ^^ help: if this is intentional, prefix it with an underscore: `_u1`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/triple/compression.rs:114:5
[INFO] [stdout]     |
[INFO] [stdout] 114 |     compress(CompressionEncoding::Gzip, &mut src, &mut dst, len);
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 114 |     let _ = compress(CompressionEncoding::Gzip, &mut src, &mut dst, len);
[INFO] [stdout]     |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/triple/compression.rs:119:5
[INFO] [stdout]     |
[INFO] [stdout] 119 |     decompress(CompressionEncoding::Gzip, &mut dst, &mut de_dst, de_len);
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 119 |     let _ = decompress(CompressionEncoding::Gzip, &mut dst, &mut de_dst, de_len);
[INFO] [stdout]     |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 05s
[INFO] running `Command { std: "docker" "inspect" "31b64b50957fc82a7692c2a0878a01105fc5dea77e94c9c907dba5b7306c39bd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "31b64b50957fc82a7692c2a0878a01105fc5dea77e94c9c907dba5b7306c39bd", kill_on_drop: false }`
[INFO] [stdout] 31b64b50957fc82a7692c2a0878a01105fc5dea77e94c9c907dba5b7306c39bd