[INFO] cloning repository https://github.com/Sparrow1029/simple-chat
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Sparrow1029/simple-chat" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSparrow1029%2Fsimple-chat", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSparrow1029%2Fsimple-chat'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f3bc56ae1daf3d43a1656ed43c5b917f274a629d
[INFO] checking Sparrow1029/simple-chat against try#9543f8ea2aae74b8f13ac2a6e6c0ecdca9810869 for pr-129249
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSparrow1029%2Fsimple-chat" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Sparrow1029/simple-chat on toolchain 9543f8ea2aae74b8f13ac2a6e6c0ecdca9810869
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9543f8ea2aae74b8f13ac2a6e6c0ecdca9810869" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Sparrow1029/simple-chat
[INFO] finished tweaking git repo https://github.com/Sparrow1029/simple-chat
[INFO] tweaked toml for git repo https://github.com/Sparrow1029/simple-chat written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/Sparrow1029/simple-chat 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" "+9543f8ea2aae74b8f13ac2a6e6c0ecdca9810869" "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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+9543f8ea2aae74b8f13ac2a6e6c0ecdca9810869" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 99fccfc7b070655026ee939cf59b8e04ed36866213b4af1c37878556308b33f2
[INFO] running `Command { std: "docker" "start" "-a" "99fccfc7b070655026ee939cf59b8e04ed36866213b4af1c37878556308b33f2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "99fccfc7b070655026ee939cf59b8e04ed36866213b4af1c37878556308b33f2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "99fccfc7b070655026ee939cf59b8e04ed36866213b4af1c37878556308b33f2", kill_on_drop: false }`
[INFO] [stdout] 99fccfc7b070655026ee939cf59b8e04ed36866213b4af1c37878556308b33f2
[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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+9543f8ea2aae74b8f13ac2a6e6c0ecdca9810869" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6129f8ca734dad2a45d5d0e3beeb3aba6872e864696c735fd83dd60bea10225e
[INFO] running `Command { std: "docker" "start" "-a" "6129f8ca734dad2a45d5d0e3beeb3aba6872e864696c735fd83dd60bea10225e", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.60
[INFO] [stderr]    Compiling unicode-ident v1.0.9
[INFO] [stderr]    Compiling quote v1.0.28
[INFO] [stderr]    Compiling serde v1.0.164
[INFO] [stderr]    Compiling anyhow v1.0.71
[INFO] [stderr]    Compiling syn v2.0.18
[INFO] [stderr]    Compiling serde_derive v1.0.164
[INFO] [stderr]     Checking bincode v1.3.3
[INFO] [stderr]     Checking simple-chat v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: this conversion is useless `Vec<u8>` to `Vec<u8>`
[INFO] [stdout]   --> src/bin/client.rs:57:30
[INFO] [stdout]    |
[INFO] [stdout] 57 |                     content: content.into(),
[INFO] [stdout]    |                              ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[deny(self_type_conversion)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this conversion is useless `Vec<u8>` to `Vec<u8>`
[INFO] [stdout]   --> src/bin/client.rs:57:30
[INFO] [stdout]    |
[INFO] [stdout] 57 |                     content: content.into(),
[INFO] [stdout]    |                              ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[deny(self_type_conversion)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `simple-chat` (bin "client" test) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `simple-chat` (bin "client") due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "6129f8ca734dad2a45d5d0e3beeb3aba6872e864696c735fd83dd60bea10225e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6129f8ca734dad2a45d5d0e3beeb3aba6872e864696c735fd83dd60bea10225e", kill_on_drop: false }`
[INFO] [stdout] 6129f8ca734dad2a45d5d0e3beeb3aba6872e864696c735fd83dd60bea10225e