[INFO] cloning repository https://github.com/DaAitch/rustdis
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/DaAitch/rustdis" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDaAitch%2Frustdis", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDaAitch%2Frustdis'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] dce3865b79fb8dc9cb927e7c0d9b9c9c930272a5
[INFO] checking DaAitch/rustdis against try#6f8a6450478f69b8510c8976ab6c2a70b3b0e47c for pr-84920
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDaAitch%2Frustdis" "/workspace/builds/worker-11/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-11/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/DaAitch/rustdis on toolchain 6f8a6450478f69b8510c8976ab6c2a70b3b0e47c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6f8a6450478f69b8510c8976ab6c2a70b3b0e47c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/DaAitch/rustdis
[INFO] finished tweaking git repo https://github.com/DaAitch/rustdis
[INFO] tweaked toml for git repo https://github.com/DaAitch/rustdis written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] crate git repo https://github.com/DaAitch/rustdis already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6f8a6450478f69b8510c8976ab6c2a70b3b0e47c" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+6f8a6450478f69b8510c8976ab6c2a70b3b0e47c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2ca08eef58d4e6e31bbfe2a5899a79df922d46bc2f4c1fa87c2d6724c28895db
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "2ca08eef58d4e6e31bbfe2a5899a79df922d46bc2f4c1fa87c2d6724c28895db", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2ca08eef58d4e6e31bbfe2a5899a79df922d46bc2f4c1fa87c2d6724c28895db", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2ca08eef58d4e6e31bbfe2a5899a79df922d46bc2f4c1fa87c2d6724c28895db", kill_on_drop: false }`
[INFO] [stdout] 2ca08eef58d4e6e31bbfe2a5899a79df922d46bc2f4c1fa87c2d6724c28895db
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+6f8a6450478f69b8510c8976ab6c2a70b3b0e47c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 45b39bef1ff65cdb0edb13297770d4e812afe5d6d1e3c86dbf32b22d608bb236
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "45b39bef1ff65cdb0edb13297770d4e812afe5d6d1e3c86dbf32b22d608bb236", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.69
[INFO] [stderr]    Compiling proc-macro-hack v0.5.19
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling proc-macro-nested v0.1.7
[INFO] [stderr]     Checking futures-sink v0.3.14
[INFO] [stderr]     Checking pin-project-lite v0.2.6
[INFO] [stderr]     Checking regex-syntax v0.6.25
[INFO] [stderr]     Checking once_cell v1.7.2
[INFO] [stderr]     Checking bytes v1.0.1
[INFO] [stderr]     Checking humantime v2.1.0
[INFO] [stderr]     Checking instant v0.1.9
[INFO] [stderr]    Compiling tokio v1.5.0
[INFO] [stderr]     Checking lock_api v0.4.3
[INFO] [stderr]    Compiling proc-macro2 v1.0.26
[INFO] [stderr]     Checking futures-channel v0.3.14
[INFO] [stderr]     Checking parking_lot_core v0.8.3
[INFO] [stderr]     Checking parking_lot v0.11.1
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking mio v0.7.11
[INFO] [stderr]     Checking regex v1.4.6
[INFO] [stderr]     Checking env_logger v0.8.3
[INFO] [stderr]    Compiling futures-macro v0.3.14
[INFO] [stderr]    Compiling tokio-macros v1.1.0
[INFO] [stderr]     Checking futures-util v0.3.14
[INFO] [stderr]     Checking futures-executor v0.3.14
[INFO] [stderr]     Checking futures v0.3.14
[INFO] [stderr]     Checking rustdis v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: private type `ArrayData` in public interface (error E0446)
[INFO] [stdout]   --> src/processor.rs:39:11
[INFO] [stdout]    |
[INFO] [stdout] 39 |     Array(Option<ArrayData>),
[INFO] [stdout]    |           ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(private_in_public)]` on by default
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = note: for more information, see issue #34537 <https://github.com/rust-lang/rust/issues/34537>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `UnknownCommand`
[INFO] [stdout]   --> src/processor.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 18 |     UnknownCommand,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Integer`
[INFO] [stdout]   --> src/processor.rs:37:5
[INFO] [stdout]    |
[INFO] [stdout] 37 |     Integer(isize),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias is never used: `Result`
[INFO] [stdout]  --> src/resp/write.rs:9:1
[INFO] [stdout]   |
[INFO] [stdout] 9 | type Result<T> = std::io::Result<T>;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `SocketWriter`
[INFO] [stdout]   --> src/resp/write.rs:11:12
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub struct SocketWriter<'a> {
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/resp/write.rs:16:12
[INFO] [stdout]    |
[INFO] [stdout] 16 |     pub fn new(socket: &'a mut TcpStream) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `write`
[INFO] [stdout]   --> src/resp/write.rs:20:14
[INFO] [stdout]    |
[INFO] [stdout] 20 |     async fn write(&mut self, bytes: &[u8]) -> Result<()> {
[INFO] [stdout]    |              ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `write_ok`
[INFO] [stdout]   --> src/resp/write.rs:24:18
[INFO] [stdout]    |
[INFO] [stdout] 24 |     pub async fn write_ok(&mut self) -> Result<()> {
[INFO] [stdout]    |                  ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `write_bulk_string`
[INFO] [stdout]   --> src/resp/write.rs:29:18
[INFO] [stdout]    |
[INFO] [stdout] 29 |     pub async fn write_bulk_string(&mut self, bytes: &[u8]) -> Result<()> {
[INFO] [stdout]    |                  ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `write_bulk_string_nil`
[INFO] [stdout]   --> src/resp/write.rs:51:18
[INFO] [stdout]    |
[INFO] [stdout] 51 |     pub async fn write_bulk_string_nil(&mut self) -> Result<()> {
[INFO] [stdout]    |                  ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `write_rn`
[INFO] [stdout]   --> src/resp/write.rs:57:14
[INFO] [stdout]    |
[INFO] [stdout] 57 |     async fn write_rn(&mut self) -> Result<()> {
[INFO] [stdout]    |              ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `write_array_start`
[INFO] [stdout]   --> src/resp/write.rs:61:18
[INFO] [stdout]    |
[INFO] [stdout] 61 |     pub async fn write_array_start(&mut self, len: &[u8]) -> Result<()> {
[INFO] [stdout]    |                  ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 12 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: private type `ArrayData` in public interface (error E0446)
[INFO] [stdout]   --> src/processor.rs:39:11
[INFO] [stdout]    |
[INFO] [stdout] 39 |     Array(Option<ArrayData>),
[INFO] [stdout]    |           ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(private_in_public)]` on by default
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = note: for more information, see issue #34537 <https://github.com/rust-lang/rust/issues/34537>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `UnknownCommand`
[INFO] [stdout]   --> src/processor.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 18 |     UnknownCommand,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Integer`
[INFO] [stdout]   --> src/processor.rs:37:5
[INFO] [stdout]    |
[INFO] [stdout] 37 |     Integer(isize),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias is never used: `Result`
[INFO] [stdout]  --> src/resp/write.rs:9:1
[INFO] [stdout]   |
[INFO] [stdout] 9 | type Result<T> = std::io::Result<T>;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `SocketWriter`
[INFO] [stdout]   --> src/resp/write.rs:11:12
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub struct SocketWriter<'a> {
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/resp/write.rs:16:12
[INFO] [stdout]    |
[INFO] [stdout] 16 |     pub fn new(socket: &'a mut TcpStream) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `write`
[INFO] [stdout]   --> src/resp/write.rs:20:14
[INFO] [stdout]    |
[INFO] [stdout] 20 |     async fn write(&mut self, bytes: &[u8]) -> Result<()> {
[INFO] [stdout]    |              ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `write_ok`
[INFO] [stdout]   --> src/resp/write.rs:24:18
[INFO] [stdout]    |
[INFO] [stdout] 24 |     pub async fn write_ok(&mut self) -> Result<()> {
[INFO] [stdout]    |                  ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `write_bulk_string`
[INFO] [stdout]   --> src/resp/write.rs:29:18
[INFO] [stdout]    |
[INFO] [stdout] 29 |     pub async fn write_bulk_string(&mut self, bytes: &[u8]) -> Result<()> {
[INFO] [stdout]    |                  ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `write_bulk_string_nil`
[INFO] [stdout]   --> src/resp/write.rs:51:18
[INFO] [stdout]    |
[INFO] [stdout] 51 |     pub async fn write_bulk_string_nil(&mut self) -> Result<()> {
[INFO] [stdout]    |                  ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `write_rn`
[INFO] [stdout]   --> src/resp/write.rs:57:14
[INFO] [stdout]    |
[INFO] [stdout] 57 |     async fn write_rn(&mut self) -> Result<()> {
[INFO] [stdout]    |              ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `write_array_start`
[INFO] [stdout]   --> src/resp/write.rs:61:18
[INFO] [stdout]    |
[INFO] [stdout] 61 |     pub async fn write_array_start(&mut self, len: &[u8]) -> Result<()> {
[INFO] [stdout]    |                  ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 12 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 39.35s
[INFO] running `Command { std: "docker" "inspect" "45b39bef1ff65cdb0edb13297770d4e812afe5d6d1e3c86dbf32b22d608bb236", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "45b39bef1ff65cdb0edb13297770d4e812afe5d6d1e3c86dbf32b22d608bb236", kill_on_drop: false }`
[INFO] [stdout] 45b39bef1ff65cdb0edb13297770d4e812afe5d6d1e3c86dbf32b22d608bb236