[INFO] cloning repository https://github.com/SamiKalliomaki/redder
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/SamiKalliomaki/redder" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSamiKalliomaki%2Fredder", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSamiKalliomaki%2Fredder'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 211f998786dcaed42a736c7aa6eb96f412c499d5
[INFO] checking SamiKalliomaki/redder against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSamiKalliomaki%2Fredder" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/SamiKalliomaki/redder on toolchain ceab6128fa48a616bfd3e3adf4bc80133b8ee223
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/SamiKalliomaki/redder
[INFO] finished tweaking git repo https://github.com/SamiKalliomaki/redder
[INFO] tweaked toml for git repo https://github.com/SamiKalliomaki/redder written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/SamiKalliomaki/redder 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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded anyhow v1.0.59
[INFO] [stderr]   Downloaded auto-const-array v0.2.1
[INFO] [stderr]   Downloaded monoio-macros v0.1.0
[INFO] [stderr]   Downloaded monoio v0.2.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6141c51800e2d083a19355a0eb2d1fe5e2b0e4ed675767458fff4542297ba3da
[INFO] running `Command { std: "docker" "start" "-a" "6141c51800e2d083a19355a0eb2d1fe5e2b0e4ed675767458fff4542297ba3da", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6141c51800e2d083a19355a0eb2d1fe5e2b0e4ed675767458fff4542297ba3da", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6141c51800e2d083a19355a0eb2d1fe5e2b0e4ed675767458fff4542297ba3da", kill_on_drop: false }`
[INFO] [stdout] 6141c51800e2d083a19355a0eb2d1fe5e2b0e4ed675767458fff4542297ba3da
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0fdc7fca24b38e9386366cf566931dbc8d76969612c2967edd7192f39a8b796f
[INFO] running `Command { std: "docker" "start" "-a" "0fdc7fca24b38e9386366cf566931dbc8d76969612c2967edd7192f39a8b796f", kill_on_drop: false }`
[INFO] [stderr]    Compiling anyhow v1.0.59
[INFO] [stderr]    Compiling heck v0.5.0
[INFO] [stderr]     Checking byteorder v1.5.0
[INFO] [stderr]     Checking memchr v2.7.2
[INFO] [stderr]     Checking bytes v1.6.0
[INFO] [stderr]    Compiling syn v2.0.55
[INFO] [stderr]     Checking clap_builder v4.5.2
[INFO] [stderr]     Checking mio v0.8.11
[INFO] [stderr]     Checking fxhash v0.2.1
[INFO] [stderr]    Compiling auto-const-array v0.2.1
[INFO] [stderr]    Compiling monoio-macros v0.1.0
[INFO] [stderr]    Compiling clap_derive v4.5.4
[INFO] [stderr]     Checking monoio v0.2.3
[INFO] [stderr]     Checking clap v4.5.4
[INFO] [stderr]     Checking redder v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: method `read_u16` is never used
[INFO] [stdout]   --> src/buf_reader.rs:15:14
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub(crate) trait BufReaderExt {
[INFO] [stdout]    |                  ------------ method in this trait
[INFO] [stdout] ...
[INFO] [stdout] 15 |     async fn read_u16(&mut self) -> io::Result<u16>;
[INFO] [stdout]    |              ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `flag` is never used
[INFO] [stdout]   --> src/connection.rs:57:8
[INFO] [stdout]    |
[INFO] [stdout] 38 | impl<'db, Stream: AsyncReadRent + AsyncWriteRent> CmdSpec<'db, Stream> {
[INFO] [stdout]    | ---------------------------------------------------------------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 57 |     fn flag(mut self, name: &'static str) -> Self {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `read_u16` is never used
[INFO] [stdout]   --> src/buf_reader.rs:15:14
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub(crate) trait BufReaderExt {
[INFO] [stdout]    |                  ------------ method in this trait
[INFO] [stdout] ...
[INFO] [stdout] 15 |     async fn read_u16(&mut self) -> io::Result<u16>;
[INFO] [stdout]    |              ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `flag` is never used
[INFO] [stdout]   --> src/connection.rs:57:8
[INFO] [stdout]    |
[INFO] [stdout] 38 | impl<'db, Stream: AsyncReadRent + AsyncWriteRent> CmdSpec<'db, Stream> {
[INFO] [stdout]    | ---------------------------------------------------------------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 57 |     fn flag(mut self, name: &'static str) -> Self {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.46s
[INFO] running `Command { std: "docker" "inspect" "0fdc7fca24b38e9386366cf566931dbc8d76969612c2967edd7192f39a8b796f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0fdc7fca24b38e9386366cf566931dbc8d76969612c2967edd7192f39a8b796f", kill_on_drop: false }`
[INFO] [stdout] 0fdc7fca24b38e9386366cf566931dbc8d76969612c2967edd7192f39a8b796f