[INFO] cloning repository https://github.com/yuanyeex/kuiper-proxy
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/yuanyeex/kuiper-proxy" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyuanyeex%2Fkuiper-proxy", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyuanyeex%2Fkuiper-proxy'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5731310cbbd04db3d2f6de2da23c76f8dd0423f3
[INFO] checking yuanyeex/kuiper-proxy against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyuanyeex%2Fkuiper-proxy" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/yuanyeex/kuiper-proxy 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 git repo https://github.com/yuanyeex/kuiper-proxy
[INFO] finished tweaking git repo https://github.com/yuanyeex/kuiper-proxy
[INFO] tweaked toml for git repo https://github.com/yuanyeex/kuiper-proxy written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/yuanyeex/kuiper-proxy 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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] f9580c3cfd8bb30bfdd262e0ded16066068093103219cbdd245727e98863ea41
[INFO] running `Command { std: "docker" "start" "-a" "f9580c3cfd8bb30bfdd262e0ded16066068093103219cbdd245727e98863ea41", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f9580c3cfd8bb30bfdd262e0ded16066068093103219cbdd245727e98863ea41", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f9580c3cfd8bb30bfdd262e0ded16066068093103219cbdd245727e98863ea41", kill_on_drop: false }`
[INFO] [stdout] f9580c3cfd8bb30bfdd262e0ded16066068093103219cbdd245727e98863ea41
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 348d448e8823ca5056bb5a21a5d5bbe512bb3e3a35c35e25f3740fb124846523
[INFO] running `Command { std: "docker" "start" "-a" "348d448e8823ca5056bb5a21a5d5bbe512bb3e3a35c35e25f3740fb124846523", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.37
[INFO] [stderr]    Compiling libc v0.2.125
[INFO] [stderr]    Compiling syn v1.0.92
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling log v0.4.16
[INFO] [stderr]    Compiling parking_lot_core v0.9.3
[INFO] [stderr]    Compiling serde v1.0.137
[INFO] [stderr]     Checking termcolor v1.1.3
[INFO] [stderr]     Checking smallvec v1.8.0
[INFO] [stderr]     Checking quick-error v1.2.3
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling lock_api v0.4.7
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling indexmap v1.8.1
[INFO] [stderr]    Compiling unicode-segmentation v1.9.0
[INFO] [stderr]    Compiling heck v0.4.0
[INFO] [stderr]     Checking humantime v1.3.0
[INFO] [stderr]     Checking regex-automata v0.1.10
[INFO] [stderr]    Compiling serde_derive v1.0.137
[INFO] [stderr]     Checking os_str_bytes v6.0.0
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]     Checking itoa v0.4.8
[INFO] [stderr]     Checking bytes v1.1.0
[INFO] [stderr]     Checking once_cell v1.10.0
[INFO] [stderr]     Checking ryu v1.0.9
[INFO] [stderr]     Checking textwrap v0.15.0
[INFO] [stderr]     Checking clap_lex v0.2.0
[INFO] [stderr]     Checking pin-project-lite v0.2.9
[INFO] [stderr]     Checking aho-corasick v0.7.18
[INFO] [stderr]     Checking csv-core v0.1.10
[INFO] [stderr]    Compiling quote v1.0.18
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking num_cpus v1.13.1
[INFO] [stderr]     Checking socket2 v0.4.4
[INFO] [stderr]     Checking mio v0.8.2
[INFO] [stderr]     Checking signal-hook-registry v1.4.0
[INFO] [stderr]     Checking parking_lot v0.12.0
[INFO] [stderr]     Checking regex v1.5.5
[INFO] [stderr]     Checking env_logger v0.7.1
[INFO] [stderr]     Checking pretty_env_logger v0.4.0
[INFO] [stderr]     Checking bstr v0.2.17
[INFO] [stderr]    Compiling snafu-derive v0.7.0
[INFO] [stderr]    Compiling clap_derive v3.1.7
[INFO] [stderr]    Compiling thiserror-impl v1.0.31
[INFO] [stderr]    Compiling tokio-macros v1.7.0
[INFO] [stderr]     Checking csv v1.1.6
[INFO] [stderr]     Checking tokio v1.18.0
[INFO] [stderr]     Checking thiserror v1.0.31
[INFO] [stderr]     Checking snafu v0.7.0
[INFO] [stderr]     Checking clap v3.1.14
[INFO] [stderr]     Checking kuiper v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around index expression
[INFO] [stdout]    --> src/lib.rs:424:36
[INFO] [stdout]     |
[INFO] [stdout] 424 |                     u16::from(addr[(x * 2)]) << 8 | u16::from(addr[(x*2) + 1])
[INFO] [stdout]     |                                    ^     ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 424 -                     u16::from(addr[(x * 2)]) << 8 | u16::from(addr[(x*2) + 1])
[INFO] [stdout] 424 +                     u16::from(addr[x * 2]) << 8 | u16::from(addr[(x*2) + 1])
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around index expression
[INFO] [stdout]    --> src/lib.rs:424:36
[INFO] [stdout]     |
[INFO] [stdout] 424 |                     u16::from(addr[(x * 2)]) << 8 | u16::from(addr[(x*2) + 1])
[INFO] [stdout]     |                                    ^     ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 424 -                     u16::from(addr[(x * 2)]) << 8 | u16::from(addr[(x*2) + 1])
[INFO] [stdout] 424 +                     u16::from(addr[x * 2]) << 8 | u16::from(addr[(x*2) + 1])
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning 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 9.88s
[INFO] running `Command { std: "docker" "inspect" "348d448e8823ca5056bb5a21a5d5bbe512bb3e3a35c35e25f3740fb124846523", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "348d448e8823ca5056bb5a21a5d5bbe512bb3e3a35c35e25f3740fb124846523", kill_on_drop: false }`
[INFO] [stdout] 348d448e8823ca5056bb5a21a5d5bbe512bb3e3a35c35e25f3740fb124846523
[INFO] checking yuanyeex/kuiper-proxy against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyuanyeex%2Fkuiper-proxy" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/yuanyeex/kuiper-proxy on toolchain 645bb72776a6a56a1a8f52631a44bd082b2ba509
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/yuanyeex/kuiper-proxy
[INFO] finished tweaking git repo https://github.com/yuanyeex/kuiper-proxy
[INFO] tweaked toml for git repo https://github.com/yuanyeex/kuiper-proxy written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/yuanyeex/kuiper-proxy 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" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 82b602aa4838347a8fb7fbd75276ec11997f488de4bf9ff7ba6eacde51d1d865
[INFO] running `Command { std: "docker" "start" "-a" "82b602aa4838347a8fb7fbd75276ec11997f488de4bf9ff7ba6eacde51d1d865", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "82b602aa4838347a8fb7fbd75276ec11997f488de4bf9ff7ba6eacde51d1d865", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "82b602aa4838347a8fb7fbd75276ec11997f488de4bf9ff7ba6eacde51d1d865", kill_on_drop: false }`
[INFO] [stdout] 82b602aa4838347a8fb7fbd75276ec11997f488de4bf9ff7ba6eacde51d1d865
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f5ded09d7a0411c1c9bc3fec909f97587513181365ce81820276c6863e46a152
[INFO] running `Command { std: "docker" "start" "-a" "f5ded09d7a0411c1c9bc3fec909f97587513181365ce81820276c6863e46a152", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.37
[INFO] [stderr]    Compiling libc v0.2.125
[INFO] [stderr]    Compiling syn v1.0.92
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling log v0.4.16
[INFO] [stderr]    Compiling parking_lot_core v0.9.3
[INFO] [stderr]    Compiling serde v1.0.137
[INFO] [stderr]     Checking smallvec v1.8.0
[INFO] [stderr]     Checking termcolor v1.1.3
[INFO] [stderr]     Checking quick-error v1.2.3
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling lock_api v0.4.7
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling indexmap v1.8.1
[INFO] [stderr]    Compiling unicode-segmentation v1.9.0
[INFO] [stderr]    Compiling heck v0.4.0
[INFO] [stderr]     Checking humantime v1.3.0
[INFO] [stderr]    Compiling serde_derive v1.0.137
[INFO] [stderr]     Checking os_str_bytes v6.0.0
[INFO] [stderr]     Checking regex-automata v0.1.10
[INFO] [stderr]     Checking pin-project-lite v0.2.9
[INFO] [stderr]     Checking itoa v0.4.8
[INFO] [stderr]     Checking once_cell v1.10.0
[INFO] [stderr]     Checking ryu v1.0.9
[INFO] [stderr]     Checking bytes v1.1.0
[INFO] [stderr]     Checking textwrap v0.15.0
[INFO] [stderr]     Checking clap_lex v0.2.0
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]     Checking aho-corasick v0.7.18
[INFO] [stderr]     Checking csv-core v0.1.10
[INFO] [stderr]    Compiling quote v1.0.18
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking socket2 v0.4.4
[INFO] [stderr]     Checking signal-hook-registry v1.4.0
[INFO] [stderr]     Checking mio v0.8.2
[INFO] [stderr]     Checking num_cpus v1.13.1
[INFO] [stderr]     Checking parking_lot v0.12.0
[INFO] [stderr]     Checking regex v1.5.5
[INFO] [stderr]     Checking env_logger v0.7.1
[INFO] [stderr]     Checking pretty_env_logger v0.4.0
[INFO] [stderr]     Checking bstr v0.2.17
[INFO] [stderr]     Checking csv v1.1.6
[INFO] [stderr]    Compiling snafu-derive v0.7.0
[INFO] [stderr]    Compiling tokio-macros v1.7.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.31
[INFO] [stderr]    Compiling clap_derive v3.1.7
[INFO] [stderr]     Checking tokio v1.18.0
[INFO] [stderr]     Checking thiserror v1.0.31
[INFO] [stderr]     Checking clap v3.1.14
[INFO] [stderr]     Checking snafu v0.7.0
[INFO] [stderr]     Checking kuiper v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around index expression
[INFO] [stdout]    --> src/lib.rs:424:36
[INFO] [stdout]     |
[INFO] [stdout] 424 |                     u16::from(addr[(x * 2)]) << 8 | u16::from(addr[(x*2) + 1])
[INFO] [stdout]     |                                    ^     ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 424 -                     u16::from(addr[(x * 2)]) << 8 | u16::from(addr[(x*2) + 1])
[INFO] [stdout] 424 +                     u16::from(addr[x * 2]) << 8 | u16::from(addr[(x*2) + 1])
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around index expression
[INFO] [stdout]    --> src/lib.rs:424:36
[INFO] [stdout]     |
[INFO] [stdout] 424 |                     u16::from(addr[(x * 2)]) << 8 | u16::from(addr[(x*2) + 1])
[INFO] [stdout]     |                                    ^     ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 424 -                     u16::from(addr[(x * 2)]) << 8 | u16::from(addr[(x*2) + 1])
[INFO] [stdout] 424 +                     u16::from(addr[x * 2]) << 8 | u16::from(addr[(x*2) + 1])
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning 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 10.35s
[INFO] running `Command { std: "docker" "inspect" "f5ded09d7a0411c1c9bc3fec909f97587513181365ce81820276c6863e46a152", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f5ded09d7a0411c1c9bc3fec909f97587513181365ce81820276c6863e46a152", kill_on_drop: false }`
[INFO] [stdout] f5ded09d7a0411c1c9bc3fec909f97587513181365ce81820276c6863e46a152