[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#1280928a99ad3ef2c5735b42dc8852456ae3b974 for pr-120798 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhb475721797%2Fmini-redis" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/hb475721797/mini-redis on toolchain 1280928a99ad3ef2c5735b42dc8852456ae3b974 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1280928a99ad3ef2c5735b42dc8852456ae3b974" "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-1-tc1/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: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1280928a99ad3ef2c5735b42dc8852456ae3b974" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded tracing-subscriber v0.2.14 [INFO] [stderr] Downloaded mio v0.7.4 [INFO] [stderr] Downloaded tokio v0.3.1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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" "+1280928a99ad3ef2c5735b42dc8852456ae3b974" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] eeaec35318c3b6808058e58f3a52ca525a7d9d3c07c2fd36c348f7aafd8f99ab [INFO] running `Command { std: "docker" "start" "-a" "eeaec35318c3b6808058e58f3a52ca525a7d9d3c07c2fd36c348f7aafd8f99ab", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "eeaec35318c3b6808058e58f3a52ca525a7d9d3c07c2fd36c348f7aafd8f99ab", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "eeaec35318c3b6808058e58f3a52ca525a7d9d3c07c2fd36c348f7aafd8f99ab", kill_on_drop: false }` [INFO] [stdout] eeaec35318c3b6808058e58f3a52ca525a7d9d3c07c2fd36c348f7aafd8f99ab [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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" "+1280928a99ad3ef2c5735b42dc8852456ae3b974" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 354aa0b499d2ba1948509037401b744050191430ac585121b3da463dfc30f36d [INFO] running `Command { std: "docker" "start" "-a" "354aa0b499d2ba1948509037401b744050191430ac585121b3da463dfc30f36d", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.24 [INFO] [stderr] Compiling unicode-xid v0.2.1 [INFO] [stderr] Compiling syn v1.0.48 [INFO] [stderr] Compiling libc v0.2.80 [INFO] [stderr] Checking lazy_static v1.4.0 [INFO] [stderr] Compiling autocfg v1.0.1 [INFO] [stderr] Checking cfg-if v0.1.10 [INFO] [stderr] Compiling version_check v0.9.2 [INFO] [stderr] Compiling log v0.4.11 [INFO] [stderr] Compiling serde_derive v1.0.117 [INFO] [stderr] Checking tracing-core v0.1.17 [INFO] [stderr] Compiling serde v1.0.117 [INFO] [stderr] Compiling proc-macro-error-attr v1.0.4 [INFO] [stderr] Compiling byteorder v1.3.4 [INFO] [stderr] Compiling proc-macro-error v1.0.4 [INFO] [stderr] Compiling num-traits v0.2.12 [INFO] [stderr] Compiling num-integer v0.1.43 [INFO] [stderr] Compiling bitflags v1.2.1 [INFO] [stderr] Checking regex-syntax v0.6.20 [INFO] [stderr] Compiling pin-project-internal v0.4.27 [INFO] [stderr] Compiling ryu v1.0.5 [INFO] [stderr] Checking pin-project-lite v0.1.11 [INFO] [stderr] Compiling quote v1.0.7 [INFO] [stderr] Checking cfg-if v1.0.0 [INFO] [stderr] Checking smallvec v1.4.2 [INFO] [stderr] Checking instant v0.1.8 [INFO] [stderr] Compiling serde_json v1.0.59 [INFO] [stderr] Checking scopeguard v1.1.0 [INFO] [stderr] Compiling memchr v2.3.3 [INFO] [stderr] Compiling unicode-segmentation v1.6.0 [INFO] [stderr] Checking unicode-width v0.1.8 [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Checking lock_api v0.4.1 [INFO] [stderr] Checking parking_lot_core v0.8.0 [INFO] [stderr] Compiling heck v0.3.1 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking time v0.1.44 [INFO] [stderr] Checking arc-swap v0.4.7 [INFO] [stderr] Checking vec_map v0.8.2 [INFO] [stderr] Checking strsim v0.8.0 [INFO] [stderr] Checking futures-core v0.3.7 [INFO] [stderr] Checking ansi_term v0.11.0 [INFO] [stderr] Checking itoa v0.4.6 [INFO] [stderr] Checking signal-hook-registry v1.2.1 [INFO] [stderr] Checking parking_lot v0.11.0 [INFO] [stderr] Checking chrono v0.4.19 [INFO] [stderr] Checking num_cpus v1.13.0 [INFO] [stderr] Checking clap v2.33.3 [INFO] [stderr] Checking mio v0.7.4 [INFO] [stderr] Checking tracing-log v0.1.1 [INFO] [stderr] Checking sharded-slab v0.1.0 [INFO] [stderr] Checking thread_local v1.0.1 [INFO] [stderr] Checking fnv v1.0.7 [INFO] [stderr] Checking slab v0.4.2 [INFO] [stderr] Checking ansi_term v0.12.1 [INFO] [stderr] Checking bytes v0.6.0 [INFO] [stderr] Checking atoi v0.3.3 [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 tracing-attributes v0.1.11 [INFO] [stderr] Compiling async-stream-impl v0.2.1 [INFO] [stderr] Compiling tokio-macros v0.3.1 [INFO] [stderr] Compiling structopt-derive v0.4.13 [INFO] [stderr] Checking async-stream v0.2.1 [INFO] [stderr] Checking tokio v0.3.1 [INFO] [stderr] Checking tracing v0.1.21 [INFO] [stderr] Checking structopt v0.3.20 [INFO] [stderr] Checking pin-project v0.4.27 [INFO] [stderr] Checking tracing-futures v0.2.4 [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: 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: 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: 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 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: 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: 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: field `limit_connections` is never read [INFO] [stdout] --> src/server.rs:28:5 [INFO] [stdout] | [INFO] [stdout] 25 | struct Handler { [INFO] [stdout] | ------- field in this struct [INFO] [stdout] ... [INFO] [stdout] 28 | limit_connections: Arc, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Handler` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `pub_sub` is never read [INFO] [stdout] --> src/db.rs:22:5 [INFO] [stdout] | [INFO] [stdout] 19 | struct State { [INFO] [stdout] | ----- field in this struct [INFO] [stdout] ... [INFO] [stdout] 22 | pub_sub: HashMap>, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `State` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `command_name` is never read [INFO] [stdout] --> src/cmd/unknown.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 2 | pub struct Unknown { [INFO] [stdout] | ------- field in this struct [INFO] [stdout] 3 | command_name: String [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Unknown` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `get_name` is never used [INFO] [stdout] --> src/cmd/unknown.rs:13:19 [INFO] [stdout] | [INFO] [stdout] 6 | impl Unknown { [INFO] [stdout] | ------------ method in this implementation [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: field `limit_connections` is never read [INFO] [stdout] --> src/server.rs:28:5 [INFO] [stdout] | [INFO] [stdout] 25 | struct Handler { [INFO] [stdout] | ------- field in this struct [INFO] [stdout] ... [INFO] [stdout] 28 | limit_connections: Arc, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Handler` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `pub_sub` is never read [INFO] [stdout] --> src/db.rs:22:5 [INFO] [stdout] | [INFO] [stdout] 19 | struct State { [INFO] [stdout] | ----- field in this struct [INFO] [stdout] ... [INFO] [stdout] 22 | pub_sub: HashMap>, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `State` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `command_name` is never read [INFO] [stdout] --> src/cmd/unknown.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 2 | pub struct Unknown { [INFO] [stdout] | ------- field in this struct [INFO] [stdout] 3 | command_name: String [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Unknown` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `get_name` is never used [INFO] [stdout] --> src/cmd/unknown.rs:13:19 [INFO] [stdout] | [INFO] [stdout] 6 | impl Unknown { [INFO] [stdout] | ------------ method in this implementation [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: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 9 | let _ = tracing_subscriber::fmt::try_init(); [INFO] [stdout] | +++++++ [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: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 9 | let _ = tracing_subscriber::fmt::try_init(); [INFO] [stdout] | +++++++ [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 8.41s [INFO] running `Command { std: "docker" "inspect" "354aa0b499d2ba1948509037401b744050191430ac585121b3da463dfc30f36d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "354aa0b499d2ba1948509037401b744050191430ac585121b3da463dfc30f36d", kill_on_drop: false }` [INFO] [stdout] 354aa0b499d2ba1948509037401b744050191430ac585121b3da463dfc30f36d [INFO] checking hb475721797/mini-redis against try#9b9e20bc79549d80ab413f49d990713851172cc1 for pr-120798 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhb475721797%2Fmini-redis" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/hb475721797/mini-redis on toolchain 9b9e20bc79549d80ab413f49d990713851172cc1 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9b9e20bc79549d80ab413f49d990713851172cc1" "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-1-tc2/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: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9b9e20bc79549d80ab413f49d990713851172cc1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+9b9e20bc79549d80ab413f49d990713851172cc1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] b68e1750560c426a4b26799d68998f30cfac823c3a25b9389f3756d04e668efa [INFO] running `Command { std: "docker" "start" "-a" "b68e1750560c426a4b26799d68998f30cfac823c3a25b9389f3756d04e668efa", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "b68e1750560c426a4b26799d68998f30cfac823c3a25b9389f3756d04e668efa", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b68e1750560c426a4b26799d68998f30cfac823c3a25b9389f3756d04e668efa", kill_on_drop: false }` [INFO] [stdout] b68e1750560c426a4b26799d68998f30cfac823c3a25b9389f3756d04e668efa [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+9b9e20bc79549d80ab413f49d990713851172cc1" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 2439f5f1893f9ce588149b9c41f1c7a7adc5d3e20d2c1e906c1348afa71d6444 [INFO] running `Command { std: "docker" "start" "-a" "2439f5f1893f9ce588149b9c41f1c7a7adc5d3e20d2c1e906c1348afa71d6444", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.24 [INFO] [stderr] Compiling unicode-xid v0.2.1 [INFO] [stderr] Compiling syn v1.0.48 [INFO] [stderr] Compiling libc v0.2.80 [INFO] [stderr] Checking lazy_static v1.4.0 [INFO] [stderr] Compiling autocfg v1.0.1 [INFO] [stderr] Checking cfg-if v0.1.10 [INFO] [stderr] Compiling version_check v0.9.2 [INFO] [stderr] Compiling log v0.4.11 [INFO] [stderr] Compiling serde_derive v1.0.117 [INFO] [stderr] Checking tracing-core v0.1.17 [INFO] [stderr] Compiling proc-macro-error-attr v1.0.4 [INFO] [stderr] Compiling byteorder v1.3.4 [INFO] [stderr] Compiling num-traits v0.2.12 [INFO] [stderr] Compiling serde v1.0.117 [INFO] [stderr] Compiling num-integer v0.1.43 [INFO] [stderr] Compiling proc-macro-error v1.0.4 [INFO] [stderr] Checking cfg-if v1.0.0 [INFO] [stderr] Compiling bitflags v1.2.1 [INFO] [stderr] Checking pin-project-lite v0.1.11 [INFO] [stderr] Checking smallvec v1.4.2 [INFO] [stderr] Compiling ryu v1.0.5 [INFO] [stderr] Checking regex-syntax v0.6.20 [INFO] [stderr] Compiling pin-project-internal v0.4.27 [INFO] [stderr] Compiling quote v1.0.7 [INFO] [stderr] Checking instant v0.1.8 [INFO] [stderr] Checking unicode-width v0.1.8 [INFO] [stderr] Compiling unicode-segmentation v1.6.0 [INFO] [stderr] Checking scopeguard v1.1.0 [INFO] [stderr] Compiling memchr v2.3.3 [INFO] [stderr] Compiling serde_json v1.0.59 [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Checking lock_api v0.4.1 [INFO] [stderr] Compiling heck v0.3.1 [INFO] [stderr] Checking parking_lot_core v0.8.0 [INFO] [stderr] Checking time v0.1.44 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking itoa v0.4.6 [INFO] [stderr] error: could not parse/generate dep info at: /opt/rustwide/target/debug/deps/heck-8dcde1810ee803b1.d [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] failed to write `/opt/rustwide/target/debug/.fingerprint/heck-8dcde1810ee803b1/dep-lib-heck` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] No space left on device (os error 28) [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] error: linking with `cc` failed: exit status: 1 [INFO] [stdout] | [INFO] [stdout] = note: LC_ALL="C" PATH="/opt/rustwide/rustup-home/toolchains/9b9e20bc79549d80ab413f49d990713851172cc1/lib/rustlib/x86_64-unknown-linux-gnu/bin:/opt/rustwide/cargo-home/bin:/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin" VSLANG="1033" "cc" "-Wl,--version-script=/tmp/rustcoLfRuJ/list" "-Wl,--no-undefined-version" "-m64" "/tmp/rustcoLfRuJ/symbols.o" "/opt/rustwide/target/debug/deps/proc_macro_error_attr-fa5ecb1af32cd2f2.proc_macro_error_attr.3d1b599adc0b28dc-cgu.0.rcgu.o" "/opt/rustwide/target/debug/deps/proc_macro_error_attr-fa5ecb1af32cd2f2.proc_macro_error_attr.3d1b599adc0b28dc-cgu.1.rcgu.o" "/opt/rustwide/target/debug/deps/proc_macro_error_attr-fa5ecb1af32cd2f2.proc_macro_error_attr.3d1b599adc0b28dc-cgu.2.rcgu.o" "/opt/rustwide/target/debug/deps/proc_macro_error_attr-fa5ecb1af32cd2f2.proc_macro_error_attr.3d1b599adc0b28dc-cgu.3.rcgu.o" "/opt/rustwide/target/debug/deps/proc_macro_error_attr-fa5ecb1af32cd2f2.vtiur228yke5492.rcgu.rmeta" "/opt/rustwide/target/debug/deps/proc_macro_error_attr-fa5ecb1af32cd2f2.z4w4lob3j9fcoq5.rcgu.o" "-Wl,--as-needed" "-L" "/opt/rustwide/target/debug/deps" "-L" "/opt/rustwide/rustup-home/toolchains/9b9e20bc79549d80ab413f49d990713851172cc1/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-Wl,-Bstatic" "/opt/rustwide/target/debug/deps/libquote-b2f50d5373f75ac1.rlib" "/opt/rustwide/target/debug/deps/libproc_macro2-088d234824b8c438.rlib" "/opt/rustwide/target/debug/deps/libunicode_xid-0d304d8b950e871a.rlib" "/opt/rustwide/rustup-home/toolchains/9b9e20bc79549d80ab413f49d990713851172cc1/lib/rustlib/x86_64-unknown-linux-gnu/lib/libproc_macro-5383c0142a3b2297.rlib" "/opt/rustwide/rustup-home/toolchains/9b9e20bc79549d80ab413f49d990713851172cc1/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-f0a846e57d9de9e7.rlib" "/opt/rustwide/rustup-home/toolchains/9b9e20bc79549d80ab413f49d990713851172cc1/lib/rustlib/x86_64-unknown-linux-gnu/lib/libpanic_unwind-cf6ea80100764986.rlib" "/opt/rustwide/rustup-home/toolchains/9b9e20bc79549d80ab413f49d990713851172cc1/lib/rustlib/x86_64-unknown-linux-gnu/lib/libobject-39985665fb91a3c2.rlib" "/opt/rustwide/rustup-home/toolchains/9b9e20bc79549d80ab413f49d990713851172cc1/lib/rustlib/x86_64-unknown-linux-gnu/lib/libmemchr-8666dad6789c0484.rlib" "/opt/rustwide/rustup-home/toolchains/9b9e20bc79549d80ab413f49d990713851172cc1/lib/rustlib/x86_64-unknown-linux-gnu/lib/libaddr2line-7b871242ae961a4e.rlib" "/opt/rustwide/rustup-home/toolchains/9b9e20bc79549d80ab413f49d990713851172cc1/lib/rustlib/x86_64-unknown-linux-gnu/lib/libgimli-8d4074793ba35678.rlib" "/opt/rustwide/rustup-home/toolchains/9b9e20bc79549d80ab413f49d990713851172cc1/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_demangle-ec84eb0416770982.rlib" "/opt/rustwide/rustup-home/toolchains/9b9e20bc79549d80ab413f49d990713851172cc1/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd_detect-6bab5509ccb72364.rlib" "/opt/rustwide/rustup-home/toolchains/9b9e20bc79549d80ab413f49d990713851172cc1/lib/rustlib/x86_64-unknown-linux-gnu/lib/libhashbrown-ac61d465c61f24ac.rlib" "/opt/rustwide/rustup-home/toolchains/9b9e20bc79549d80ab413f49d990713851172cc1/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_alloc-19d2d9343e8c3ab1.rlib" "/opt/rustwide/rustup-home/toolchains/9b9e20bc79549d80ab413f49d990713851172cc1/lib/rustlib/x86_64-unknown-linux-gnu/lib/libminiz_oxide-e762a6d65f031366.rlib" "/opt/rustwide/rustup-home/toolchains/9b9e20bc79549d80ab413f49d990713851172cc1/lib/rustlib/x86_64-unknown-linux-gnu/lib/libadler-e85e489d4408465b.rlib" "/opt/rustwide/rustup-home/toolchains/9b9e20bc79549d80ab413f49d990713851172cc1/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunwind-2e9a651f331589a6.rlib" "/opt/rustwide/rustup-home/toolchains/9b9e20bc79549d80ab413f49d990713851172cc1/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcfg_if-527e3e7decf6a631.rlib" "/opt/rustwide/rustup-home/toolchains/9b9e20bc79549d80ab413f49d990713851172cc1/lib/rustlib/x86_64-unknown-linux-gnu/lib/liblibc-8c4c4e24ed6290fa.rlib" "/opt/rustwide/rustup-home/toolchains/9b9e20bc79549d80ab413f49d990713851172cc1/lib/rustlib/x86_64-unknown-linux-gnu/lib/liballoc-b905197320c3903d.rlib" "/opt/rustwide/rustup-home/toolchains/9b9e20bc79549d80ab413f49d990713851172cc1/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_core-9686387289eaa322.rlib" "/opt/rustwide/rustup-home/toolchains/9b9e20bc79549d80ab413f49d990713851172cc1/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-632ae0f28c5e55ff.rlib" "/opt/rustwide/rustup-home/toolchains/9b9e20bc79549d80ab413f49d990713851172cc1/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcompiler_builtins-3166674eacfcf914.rlib" "-Wl,-Bdynamic" "-lgcc_s" "-lutil" "-lrt" "-lpthread" "-lm" "-ldl" "-lc" "-Wl,--eh-frame-hdr" "-Wl,-z,noexecstack" "-L" "/opt/rustwide/rustup-home/toolchains/9b9e20bc79549d80ab413f49d990713851172cc1/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-o" "/opt/rustwide/target/debug/deps/libproc_macro_error_attr-fa5ecb1af32cd2f2.so" "-Wl,--gc-sections" "-shared" "-Wl,-z,relro,-z,now" "-nodefaultlibs" [INFO] [stdout] = note: /usr/bin/ld: final link failed: No space left on device [INFO] [stdout] collect2: error: ld returned 1 exit status [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 1 previous error [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `proc-macro-error-attr` (lib) due to 2 previous errors [INFO] [stdout] error: failed to write to `/opt/rustwide/target/debug/deps/rmetaQsG4YG/lib.rmeta`: No space left on device (os error 28) [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `regex-syntax` (lib) due to 1 previous error [INFO] [stdout] error: failed to write to `/opt/rustwide/target/debug/deps/rmetaDZIFCc/lib.rmeta`: No space left on device (os error 28) [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `syn` (lib) due to 1 previous error [INFO] running `Command { std: "docker" "inspect" "2439f5f1893f9ce588149b9c41f1c7a7adc5d3e20d2c1e906c1348afa71d6444", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2439f5f1893f9ce588149b9c41f1c7a7adc5d3e20d2c1e906c1348afa71d6444", kill_on_drop: false }` [INFO] [stdout] 2439f5f1893f9ce588149b9c41f1c7a7adc5d3e20d2c1e906c1348afa71d6444