[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] checking hb475721797/mini-redis against master#a609fb45efad59dfd459c76e50899be9f0583b5a for pr-80579 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhb475721797%2Fmini-redis" "/workspace/builds/worker-4/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/hb475721797/mini-redis on toolchain a609fb45efad59dfd459c76e50899be9f0583b5a [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "read-manifest" "--manifest-path" "Cargo.toml", 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-4/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" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 5dfb7700895c1f2526a24caa6bc54b6f52ae783d6bf2c0da7b231a62e3957ac4 [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" "5dfb7700895c1f2526a24caa6bc54b6f52ae783d6bf2c0da7b231a62e3957ac4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "5dfb7700895c1f2526a24caa6bc54b6f52ae783d6bf2c0da7b231a62e3957ac4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5dfb7700895c1f2526a24caa6bc54b6f52ae783d6bf2c0da7b231a62e3957ac4", kill_on_drop: false }` [INFO] [stdout] 5dfb7700895c1f2526a24caa6bc54b6f52ae783d6bf2c0da7b231a62e3957ac4 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "check" "--frozen" "--all" "--all-targets" "--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] e9b1fcc3ec2b3b71249b9e8182886d80aaffa3d8767fb77070ce1795db2871f0 [INFO] running `Command { std: "docker" "start" "-a" "e9b1fcc3ec2b3b71249b9e8182886d80aaffa3d8767fb77070ce1795db2871f0", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.24 [INFO] [stderr] Compiling unicode-xid v0.2.1 [INFO] [stderr] Checking cfg-if v0.1.10 [INFO] [stderr] Compiling autocfg v1.0.1 [INFO] [stderr] Checking regex-syntax v0.6.20 [INFO] [stderr] Compiling pin-project-internal v0.4.27 [INFO] [stderr] Checking cfg-if v1.0.0 [INFO] [stderr] Checking smallvec v1.4.2 [INFO] [stderr] Checking pin-project-lite v0.1.11 [INFO] [stderr] Compiling memchr v2.3.3 [INFO] [stderr] Compiling serde_json v1.0.59 [INFO] [stderr] Checking arc-swap v0.4.7 [INFO] [stderr] Checking ansi_term v0.12.1 [INFO] [stderr] Checking bytes v0.6.0 [INFO] [stderr] Checking slab v0.4.2 [INFO] [stderr] Checking tracing-core v0.1.17 [INFO] [stderr] Compiling proc-macro-error-attr v1.0.4 [INFO] [stderr] Compiling proc-macro-error v1.0.4 [INFO] [stderr] Checking sharded-slab v0.1.0 [INFO] [stderr] Checking lock_api v0.4.1 [INFO] [stderr] Checking instant v0.1.8 [INFO] [stderr] Checking log v0.4.11 [INFO] [stderr] Checking time v0.1.44 [INFO] [stderr] Checking clap v2.33.3 [INFO] [stderr] Checking parking_lot_core v0.8.0 [INFO] [stderr] Checking signal-hook-registry v1.2.1 [INFO] [stderr] Checking tracing-log v0.1.1 [INFO] [stderr] Checking mio v0.7.4 [INFO] [stderr] Compiling num-traits v0.2.12 [INFO] [stderr] Compiling num-integer v0.1.43 [INFO] [stderr] Checking parking_lot v0.11.0 [INFO] [stderr] Compiling quote v1.0.7 [INFO] [stderr] Compiling syn v1.0.48 [INFO] [stderr] Checking atoi v0.3.3 [INFO] [stderr] Checking chrono v0.4.19 [INFO] [stderr] Checking regex-automata v0.1.9 [INFO] [stderr] Checking regex v1.4.1 [INFO] [stderr] Checking matchers v0.0.1 [INFO] [stderr] Compiling serde_derive v1.0.117 [INFO] [stderr] Compiling tracing-attributes v0.1.11 [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] Checking tokio v0.3.1 [INFO] [stderr] Checking async-stream v0.2.1 [INFO] [stderr] Checking tracing v0.1.21 [INFO] [stderr] Checking pin-project v0.4.27 [INFO] [stderr] Checking tracing-futures v0.2.4 [INFO] [stderr] Checking structopt v0.3.20 [INFO] [stderr] Checking serde v1.0.117 [INFO] [stderr] Checking tracing-serde v0.1.2 [INFO] [stderr] Checking tracing-subscriber v0.2.14 [INFO] [stderr] Checking 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] | ^^^^^^^^^ help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [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: 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] | ^^^^^^^^^ help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [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: 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: 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: 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] = note: `#[warn(dead_code)]` on by default [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] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` 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: 12 warnings emitted [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] = note: `#[warn(dead_code)]` on by default [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] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 12 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::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: unused `std::result::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] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1m 31s [INFO] running `Command { std: "docker" "inspect" "e9b1fcc3ec2b3b71249b9e8182886d80aaffa3d8767fb77070ce1795db2871f0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e9b1fcc3ec2b3b71249b9e8182886d80aaffa3d8767fb77070ce1795db2871f0", kill_on_drop: false }` [INFO] [stdout] e9b1fcc3ec2b3b71249b9e8182886d80aaffa3d8767fb77070ce1795db2871f0