[INFO] cloning repository https://github.com/hb475721797/mini-redis [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/hb475721797/mini-redis" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhb475721797%2Fmini-redis", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhb475721797%2Fmini-redis'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 38db0b27e19e13947ba74093e6a9b5a34e72363d [INFO] testing hb475721797/mini-redis against master#62efba8a050c64249dab942951bb28f710208bc8 for pr-90799 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhb475721797%2Fmini-redis" "/workspace/builds/worker-10/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-10/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/hb475721797/mini-redis on toolchain 62efba8a050c64249dab942951bb28f710208bc8 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/hb475721797/mini-redis [INFO] finished tweaking git repo https://github.com/hb475721797/mini-redis [INFO] tweaked toml for git repo https://github.com/hb475721797/mini-redis written to /workspace/builds/worker-10/source/Cargo.toml [INFO] crate git repo https://github.com/hb475721797/mini-redis already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] ba1556b80758753e17bbcac3a52ad3077d70868e5f30dc270c02321b7b95f7f5 [INFO] running `Command { std: "docker" "start" "-a" "ba1556b80758753e17bbcac3a52ad3077d70868e5f30dc270c02321b7b95f7f5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "ba1556b80758753e17bbcac3a52ad3077d70868e5f30dc270c02321b7b95f7f5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ba1556b80758753e17bbcac3a52ad3077d70868e5f30dc270c02321b7b95f7f5", kill_on_drop: false }` [INFO] [stdout] ba1556b80758753e17bbcac3a52ad3077d70868e5f30dc270c02321b7b95f7f5 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] abb5dd4a6432b329fe8177cdc448e05e607191bf7592c5eca992ef48d385193c [INFO] running `Command { std: "docker" "start" "-a" "abb5dd4a6432b329fe8177cdc448e05e607191bf7592c5eca992ef48d385193c", kill_on_drop: false }` [INFO] [stderr] Compiling unicode-xid v0.2.1 [INFO] [stderr] Compiling syn v1.0.48 [INFO] [stderr] Compiling libc v0.2.80 [INFO] [stderr] Compiling lazy_static v1.4.0 [INFO] [stderr] Compiling cfg-if v0.1.10 [INFO] [stderr] Compiling autocfg v1.0.1 [INFO] [stderr] Compiling log v0.4.11 [INFO] [stderr] Compiling byteorder v1.3.4 [INFO] [stderr] Compiling bitflags v1.2.1 [INFO] [stderr] Compiling regex-syntax v0.6.20 [INFO] [stderr] Compiling smallvec v1.4.2 [INFO] [stderr] Compiling cfg-if v1.0.0 [INFO] [stderr] Compiling ryu v1.0.5 [INFO] [stderr] Compiling unicode-width v0.1.8 [INFO] [stderr] Compiling scopeguard v1.1.0 [INFO] [stderr] Compiling memchr v2.3.3 [INFO] [stderr] Compiling vec_map v0.8.2 [INFO] [stderr] Compiling futures-core v0.3.7 [INFO] [stderr] Compiling arc-swap v0.4.7 [INFO] [stderr] Compiling fnv v1.0.7 [INFO] [stderr] Compiling slab v0.4.2 [INFO] [stderr] Compiling bytes v0.6.0 [INFO] [stderr] Compiling ansi_term v0.12.1 [INFO] [stderr] Compiling proc-macro-error-attr v1.0.4 [INFO] [stderr] Compiling proc-macro-error v1.0.4 [INFO] [stderr] Compiling instant v0.1.8 [INFO] [stderr] Compiling tracing-core v0.1.17 [INFO] [stderr] Compiling thread_local v1.0.1 [INFO] [stderr] Compiling sharded-slab v0.1.0 [INFO] [stderr] Compiling lock_api v0.4.1 [INFO] [stderr] Compiling textwrap v0.11.0 [INFO] [stderr] Compiling proc-macro2 v1.0.24 [INFO] [stderr] Compiling num-traits v0.2.12 [INFO] [stderr] Compiling num-integer v0.1.43 [INFO] [stderr] Compiling tracing-log v0.1.1 [INFO] [stderr] Compiling quote v1.0.7 [INFO] [stderr] Compiling atty v0.2.14 [INFO] [stderr] Compiling time v0.1.44 [INFO] [stderr] Compiling parking_lot_core v0.8.0 [INFO] [stderr] Compiling num_cpus v1.13.0 [INFO] [stderr] Compiling signal-hook-registry v1.2.1 [INFO] [stderr] Compiling mio v0.7.4 [INFO] [stderr] Compiling clap v2.33.3 [INFO] [stderr] Compiling parking_lot v0.11.0 [INFO] [stderr] Compiling atoi v0.3.3 [INFO] [stderr] Compiling chrono v0.4.19 [INFO] [stderr] Compiling regex-automata v0.1.9 [INFO] [stderr] Compiling regex v1.4.1 [INFO] [stderr] Compiling matchers v0.0.1 [INFO] [stderr] Compiling serde_derive v1.0.117 [INFO] [stderr] Compiling tracing-attributes v0.1.11 [INFO] [stderr] Compiling pin-project-internal v0.4.27 [INFO] [stderr] Compiling tokio-macros v0.3.1 [INFO] [stderr] Compiling async-stream-impl v0.2.1 [INFO] [stderr] Compiling structopt-derive v0.4.13 [INFO] [stderr] Compiling tokio v0.3.1 [INFO] [stderr] Compiling async-stream v0.2.1 [INFO] [stderr] Compiling tracing v0.1.21 [INFO] [stderr] Compiling pin-project v0.4.27 [INFO] [stderr] Compiling tracing-futures v0.2.4 [INFO] [stderr] Compiling structopt v0.3.20 [INFO] [stderr] Compiling serde v1.0.117 [INFO] [stderr] Compiling tracing-serde v0.1.2 [INFO] [stderr] Compiling serde_json v1.0.59 [INFO] [stderr] Compiling tracing-subscriber v0.2.14 [INFO] [stderr] Compiling w v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `instrument` [INFO] [stdout] --> src/server.rs:5:35 [INFO] [stdout] | [INFO] [stdout] 5 | use tracing::{debug, error, info, instrument}; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `tokio::io::BufWriter` [INFO] [stdout] --> src/server.rs:9:5 [INFO] [stdout] | [INFO] [stdout] 9 | use tokio::io::BufWriter; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `bytes::BytesMut` [INFO] [stdout] --> src/server.rs:10:5 [INFO] [stdout] | [INFO] [stdout] 10 | use bytes::BytesMut; [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around function argument [INFO] [stdout] --> src/frame.rs:52:31 [INFO] [stdout] | [INFO] [stdout] 52 | skip(src, (len + 2)) [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 52 - skip(src, (len + 2)) [INFO] [stdout] 52 + skip(src, len + 2) [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `instrument` [INFO] [stdout] --> src/cmd/get.rs:5:22 [INFO] [stdout] | [INFO] [stdout] 5 | use tracing::{debug, instrument}; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `instrument` [INFO] [stdout] --> src/cmd/set.rs:7:22 [INFO] [stdout] | [INFO] [stdout] 7 | use tracing::{debug, instrument}; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `crate::cmd::Command` [INFO] [stdout] --> src/parse.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 5 | use crate::cmd::Command; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unreachable expression [INFO] [stdout] --> src/connection.rs:38:9 [INFO] [stdout] | [INFO] [stdout] 23 | / loop { [INFO] [stdout] 24 | | if let Some(frame) = self.parse_frame()? { [INFO] [stdout] 25 | | return Ok(Some(frame)); [INFO] [stdout] 26 | | } [INFO] [stdout] ... | [INFO] [stdout] 34 | | } [INFO] [stdout] 35 | | } [INFO] [stdout] | |_________- any code following this expression is unreachable [INFO] [stdout] ... [INFO] [stdout] 38 | Ok(Some(Frame::Null)) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ unreachable expression [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unreachable_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/server.rs:95:13 [INFO] [stdout] | [INFO] [stdout] 95 | let mut backoff = 1; [INFO] [stdout] | ----^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `shutdown` [INFO] [stdout] --> src/cmd/mod.rs:39:68 [INFO] [stdout] | [INFO] [stdout] 39 | pub(crate) async fn apply(self, db: &Db, dst: &mut Connection, shutdown: &mut Shutdown) -> crate::Result<()> { [INFO] [stdout] | ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_shutdown` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `limit_connections` [INFO] [stdout] --> src/server.rs:28:5 [INFO] [stdout] | [INFO] [stdout] 28 | limit_connections: Arc, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `pub_sub` [INFO] [stdout] --> src/db.rs:22:5 [INFO] [stdout] | [INFO] [stdout] 22 | pub_sub: HashMap>, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `command_name` [INFO] [stdout] --> src/cmd/unknown.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | command_name: String [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `get_name` [INFO] [stdout] --> src/cmd/unknown.rs:13:19 [INFO] [stdout] | [INFO] [stdout] 13 | pub(crate) fn get_name(&self) -> &str { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused arithmetic operation that must be used [INFO] [stdout] --> src/server.rs:109:13 [INFO] [stdout] | [INFO] [stdout] 109 | backoff * 2; [INFO] [stdout] | ^^^^^^^^^^^ the arithmetic operation produces a value [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 109 | let _ = backoff * 2; [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 15 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/bin/server.rs:9:5 [INFO] [stdout] | [INFO] [stdout] 9 | tracing_subscriber::fmt::try_init(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 2m 00s [INFO] running `Command { std: "docker" "inspect" "abb5dd4a6432b329fe8177cdc448e05e607191bf7592c5eca992ef48d385193c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "abb5dd4a6432b329fe8177cdc448e05e607191bf7592c5eca992ef48d385193c", kill_on_drop: false }` [INFO] [stdout] abb5dd4a6432b329fe8177cdc448e05e607191bf7592c5eca992ef48d385193c [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] a95d49d3a7fe2bcd0c1bab46cd20d08855162c467e4bf429afe7721aca9d54f5 [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" "a95d49d3a7fe2bcd0c1bab46cd20d08855162c467e4bf429afe7721aca9d54f5", kill_on_drop: false }` [INFO] [stderr] Compiling w v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `instrument` [INFO] [stdout] --> src/server.rs:5:35 [INFO] [stdout] | [INFO] [stdout] 5 | use tracing::{debug, error, info, instrument}; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `tokio::io::BufWriter` [INFO] [stdout] --> src/server.rs:9:5 [INFO] [stdout] | [INFO] [stdout] 9 | use tokio::io::BufWriter; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `bytes::BytesMut` [INFO] [stdout] --> src/server.rs:10:5 [INFO] [stdout] | [INFO] [stdout] 10 | use bytes::BytesMut; [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around function argument [INFO] [stdout] --> src/frame.rs:52:31 [INFO] [stdout] | [INFO] [stdout] 52 | skip(src, (len + 2)) [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 52 - skip(src, (len + 2)) [INFO] [stdout] 52 + skip(src, len + 2) [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `instrument` [INFO] [stdout] --> src/cmd/get.rs:5:22 [INFO] [stdout] | [INFO] [stdout] 5 | use tracing::{debug, instrument}; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `instrument` [INFO] [stdout] --> src/cmd/set.rs:7:22 [INFO] [stdout] | [INFO] [stdout] 7 | use tracing::{debug, instrument}; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `crate::cmd::Command` [INFO] [stdout] --> src/parse.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 5 | use crate::cmd::Command; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unreachable expression [INFO] [stdout] --> src/connection.rs:38:9 [INFO] [stdout] | [INFO] [stdout] 23 | / loop { [INFO] [stdout] 24 | | if let Some(frame) = self.parse_frame()? { [INFO] [stdout] 25 | | return Ok(Some(frame)); [INFO] [stdout] 26 | | } [INFO] [stdout] ... | [INFO] [stdout] 34 | | } [INFO] [stdout] 35 | | } [INFO] [stdout] | |_________- any code following this expression is unreachable [INFO] [stdout] ... [INFO] [stdout] 38 | Ok(Some(Frame::Null)) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ unreachable expression [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unreachable_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/server.rs:95:13 [INFO] [stdout] | [INFO] [stdout] 95 | let mut backoff = 1; [INFO] [stdout] | ----^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `shutdown` [INFO] [stdout] --> src/cmd/mod.rs:39:68 [INFO] [stdout] | [INFO] [stdout] 39 | pub(crate) async fn apply(self, db: &Db, dst: &mut Connection, shutdown: &mut Shutdown) -> crate::Result<()> { [INFO] [stdout] | ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_shutdown` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `limit_connections` [INFO] [stdout] --> src/server.rs:28:5 [INFO] [stdout] | [INFO] [stdout] 28 | limit_connections: Arc, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `pub_sub` [INFO] [stdout] --> src/db.rs:22:5 [INFO] [stdout] | [INFO] [stdout] 22 | pub_sub: HashMap>, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `command_name` [INFO] [stdout] --> src/cmd/unknown.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | command_name: String [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `get_name` [INFO] [stdout] --> src/cmd/unknown.rs:13:19 [INFO] [stdout] | [INFO] [stdout] 13 | pub(crate) fn get_name(&self) -> &str { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused arithmetic operation that must be used [INFO] [stdout] --> src/server.rs:109:13 [INFO] [stdout] | [INFO] [stdout] 109 | backoff * 2; [INFO] [stdout] | ^^^^^^^^^^^ the arithmetic operation produces a value [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 109 | let _ = backoff * 2; [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 15 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `instrument` [INFO] [stdout] --> src/server.rs:5:35 [INFO] [stdout] | [INFO] [stdout] 5 | use tracing::{debug, error, info, instrument}; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `tokio::io::BufWriter` [INFO] [stdout] --> src/server.rs:9:5 [INFO] [stdout] | [INFO] [stdout] 9 | use tokio::io::BufWriter; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `bytes::BytesMut` [INFO] [stdout] --> src/server.rs:10:5 [INFO] [stdout] | [INFO] [stdout] 10 | use bytes::BytesMut; [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around function argument [INFO] [stdout] --> src/frame.rs:52:31 [INFO] [stdout] | [INFO] [stdout] 52 | skip(src, (len + 2)) [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 52 - skip(src, (len + 2)) [INFO] [stdout] 52 + skip(src, len + 2) [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `instrument` [INFO] [stdout] --> src/cmd/get.rs:5:22 [INFO] [stdout] | [INFO] [stdout] 5 | use tracing::{debug, instrument}; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `instrument` [INFO] [stdout] --> src/cmd/set.rs:7:22 [INFO] [stdout] | [INFO] [stdout] 7 | use tracing::{debug, instrument}; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `crate::cmd::Command` [INFO] [stdout] --> src/parse.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 5 | use crate::cmd::Command; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unreachable expression [INFO] [stdout] --> src/connection.rs:38:9 [INFO] [stdout] | [INFO] [stdout] 23 | / loop { [INFO] [stdout] 24 | | if let Some(frame) = self.parse_frame()? { [INFO] [stdout] 25 | | return Ok(Some(frame)); [INFO] [stdout] 26 | | } [INFO] [stdout] ... | [INFO] [stdout] 34 | | } [INFO] [stdout] 35 | | } [INFO] [stdout] | |_________- any code following this expression is unreachable [INFO] [stdout] ... [INFO] [stdout] 38 | Ok(Some(Frame::Null)) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ unreachable expression [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unreachable_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/bin/server.rs:9:5 [INFO] [stdout] | [INFO] [stdout] 9 | tracing_subscriber::fmt::try_init(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/server.rs:95:13 [INFO] [stdout] | [INFO] [stdout] 95 | let mut backoff = 1; [INFO] [stdout] | ----^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `shutdown` [INFO] [stdout] --> src/cmd/mod.rs:39:68 [INFO] [stdout] | [INFO] [stdout] 39 | pub(crate) async fn apply(self, db: &Db, dst: &mut Connection, shutdown: &mut Shutdown) -> crate::Result<()> { [INFO] [stdout] | ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_shutdown` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `limit_connections` [INFO] [stdout] --> src/server.rs:28:5 [INFO] [stdout] | [INFO] [stdout] 28 | limit_connections: Arc, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `pub_sub` [INFO] [stdout] --> src/db.rs:22:5 [INFO] [stdout] | [INFO] [stdout] 22 | pub_sub: HashMap>, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `command_name` [INFO] [stdout] --> src/cmd/unknown.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | command_name: String [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `get_name` [INFO] [stdout] --> src/cmd/unknown.rs:13:19 [INFO] [stdout] | [INFO] [stdout] 13 | pub(crate) fn get_name(&self) -> &str { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused arithmetic operation that must be used [INFO] [stdout] --> src/server.rs:109:13 [INFO] [stdout] | [INFO] [stdout] 109 | backoff * 2; [INFO] [stdout] | ^^^^^^^^^^^ the arithmetic operation produces a value [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 109 | let _ = backoff * 2; [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 15 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 2.52s [INFO] running `Command { std: "docker" "inspect" "a95d49d3a7fe2bcd0c1bab46cd20d08855162c467e4bf429afe7721aca9d54f5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a95d49d3a7fe2bcd0c1bab46cd20d08855162c467e4bf429afe7721aca9d54f5", kill_on_drop: false }` [INFO] [stdout] a95d49d3a7fe2bcd0c1bab46cd20d08855162c467e4bf429afe7721aca9d54f5 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "test" "--frozen", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] d365d49e9b604a2321e816e19b2ddeb85fb104e2d8e490c0df2f77d4408b3cc8 [INFO] running `Command { std: "docker" "start" "-a" "d365d49e9b604a2321e816e19b2ddeb85fb104e2d8e490c0df2f77d4408b3cc8", kill_on_drop: false }` [INFO] [stderr] warning: unused import: `instrument` [INFO] [stderr] --> src/server.rs:5:35 [INFO] [stderr] | [INFO] [stderr] 5 | use tracing::{debug, error, info, instrument}; [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `tokio::io::BufWriter` [INFO] [stderr] --> src/server.rs:9:5 [INFO] [stderr] | [INFO] [stderr] 9 | use tokio::io::BufWriter; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `bytes::BytesMut` [INFO] [stderr] --> src/server.rs:10:5 [INFO] [stderr] | [INFO] [stderr] 10 | use bytes::BytesMut; [INFO] [stderr] | ^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unnecessary parentheses around function argument [INFO] [stderr] --> src/frame.rs:52:31 [INFO] [stderr] | [INFO] [stderr] 52 | skip(src, (len + 2)) [INFO] [stderr] | ^ ^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_parens)]` on by default [INFO] [stderr] help: remove these parentheses [INFO] [stderr] | [INFO] [stderr] 52 - skip(src, (len + 2)) [INFO] [stderr] 52 + skip(src, len + 2) [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] warning: unused import: `instrument` [INFO] [stderr] --> src/cmd/get.rs:5:22 [INFO] [stderr] | [INFO] [stderr] 5 | use tracing::{debug, instrument}; [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `instrument` [INFO] [stderr] --> src/cmd/set.rs:7:22 [INFO] [stderr] | [INFO] [stderr] 7 | use tracing::{debug, instrument}; [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `crate::cmd::Command` [INFO] [stderr] --> src/parse.rs:5:5 [INFO] [stderr] | [INFO] [stderr] 5 | use crate::cmd::Command; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unreachable expression [INFO] [stderr] --> src/connection.rs:38:9 [INFO] [stderr] | [INFO] [stderr] 23 | / loop { [INFO] [stderr] 24 | | if let Some(frame) = self.parse_frame()? { [INFO] [stderr] 25 | | return Ok(Some(frame)); [INFO] [stderr] 26 | | } [INFO] [stderr] ... | [INFO] [stderr] 34 | | } [INFO] [stderr] 35 | | } [INFO] [stderr] | |_________- any code following this expression is unreachable [INFO] [stderr] ... [INFO] [stderr] 38 | Ok(Some(Frame::Null)) [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^ unreachable expression [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unreachable_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/server.rs:95:13 [INFO] [stderr] | [INFO] [stderr] 95 | let mut backoff = 1; [INFO] [stderr] | ----^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_mut)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `shutdown` [INFO] [stderr] --> src/cmd/mod.rs:39:68 [INFO] [stderr] | [INFO] [stderr] 39 | pub(crate) async fn apply(self, db: &Db, dst: &mut Connection, shutdown: &mut Shutdown) -> crate::Result<()> { [INFO] [stderr] | ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_shutdown` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: field is never read: `limit_connections` [INFO] [stderr] --> src/server.rs:28:5 [INFO] [stderr] | [INFO] [stderr] 28 | limit_connections: Arc, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: field is never read: `pub_sub` [INFO] [stderr] --> src/db.rs:22:5 [INFO] [stderr] | [INFO] [stderr] 22 | pub_sub: HashMap>, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: field is never read: `command_name` [INFO] [stderr] --> src/cmd/unknown.rs:3:5 [INFO] [stderr] | [INFO] [stderr] 3 | command_name: String [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `get_name` [INFO] [stderr] --> src/cmd/unknown.rs:13:19 [INFO] [stderr] | [INFO] [stderr] 13 | pub(crate) fn get_name(&self) -> &str { [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused arithmetic operation that must be used [INFO] [stderr] --> src/server.rs:109:13 [INFO] [stderr] | [INFO] [stderr] 109 | backoff * 2; [INFO] [stderr] | ^^^^^^^^^^^ the arithmetic operation produces a value [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_must_use)]` on by default [INFO] [stderr] help: use `let _ = ...` to ignore the resulting value [INFO] [stderr] | [INFO] [stderr] 109 | let _ = backoff * 2; [INFO] [stderr] | +++++++ [INFO] [stderr] [INFO] [stderr] warning: `w` (lib) generated 15 warnings [INFO] [stderr] warning: `w` (lib test) generated 15 warnings (15 duplicates) [INFO] [stderr] warning: unused `Result` that must be used [INFO] [stderr] --> src/bin/server.rs:9:5 [INFO] [stderr] | [INFO] [stderr] 9 | tracing_subscriber::fmt::try_init(); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_must_use)]` on by default [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: `w` (bin "w-server" test) generated 1 warning [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.11s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/w-5dee2e2182813ad8) [INFO] [stdout] [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/w_cli-0086bd61ff166bf5) [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/w_server-5b2f321a3e66b046) [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stderr] Doc-tests w [INFO] [stderr] warning: unnecessary parentheses around function argument [INFO] [stderr] --> /opt/rustwide/workdir/src/frame.rs:52:31 [INFO] [stderr] | [INFO] [stderr] 52 | skip(src, (len + 2)) [INFO] [stderr] | ^ ^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_parens)]` on by default [INFO] [stderr] help: remove these parentheses [INFO] [stderr] | [INFO] [stderr] 52 - skip(src, (len + 2)) [INFO] [stderr] 52 + skip(src, len + 2) [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] warning: 1 warning emitted [INFO] [stderr] [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "d365d49e9b604a2321e816e19b2ddeb85fb104e2d8e490c0df2f77d4408b3cc8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d365d49e9b604a2321e816e19b2ddeb85fb104e2d8e490c0df2f77d4408b3cc8", kill_on_drop: false }` [INFO] [stdout] d365d49e9b604a2321e816e19b2ddeb85fb104e2d8e490c0df2f77d4408b3cc8