[INFO] cloning repository https://github.com/zpjayyy/my-rust-redis [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/zpjayyy/my-rust-redis" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzpjayyy%2Fmy-rust-redis", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzpjayyy%2Fmy-rust-redis'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 0eeb9f8005361c370bd02ff8a16a37f9d4d1efd0 [INFO] checking zpjayyy/my-rust-redis against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzpjayyy%2Fmy-rust-redis" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/zpjayyy/my-rust-redis on toolchain ceab6128fa48a616bfd3e3adf4bc80133b8ee223 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/zpjayyy/my-rust-redis [INFO] removed 0 missing examples [INFO] finished tweaking git repo https://github.com/zpjayyy/my-rust-redis [INFO] tweaked toml for git repo https://github.com/zpjayyy/my-rust-redis written to /workspace/builds/worker-4-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/zpjayyy/my-rust-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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 7a6af4ea8fd3271ac34bb71e6f2ad15201259b068c4f3dd6df9febe53dc3c1ae [INFO] running `Command { std: "docker" "start" "-a" "7a6af4ea8fd3271ac34bb71e6f2ad15201259b068c4f3dd6df9febe53dc3c1ae", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "7a6af4ea8fd3271ac34bb71e6f2ad15201259b068c4f3dd6df9febe53dc3c1ae", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7a6af4ea8fd3271ac34bb71e6f2ad15201259b068c4f3dd6df9febe53dc3c1ae", kill_on_drop: false }` [INFO] [stdout] 7a6af4ea8fd3271ac34bb71e6f2ad15201259b068c4f3dd6df9febe53dc3c1ae [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] fdb31ae2347453c29e4e5d7958d398e99cf1a4dbfc0e744012ab1416dfe8fefc [INFO] running `Command { std: "docker" "start" "-a" "fdb31ae2347453c29e4e5d7958d398e99cf1a4dbfc0e744012ab1416dfe8fefc", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.149 [INFO] [stderr] Checking smallvec v1.11.1 [INFO] [stderr] Compiling serde v1.0.190 [INFO] [stderr] Compiling syn v1.0.109 [INFO] [stderr] Compiling futures-core v0.3.29 [INFO] [stderr] Checking tracing-core v0.1.32 [INFO] [stderr] Compiling serde_json v1.0.108 [INFO] [stderr] Checking ansi_term v0.12.1 [INFO] [stderr] Checking unicode-width v0.1.11 [INFO] [stderr] Compiling syn v2.0.38 [INFO] [stderr] Compiling proc-macro-error-attr v1.0.4 [INFO] [stderr] Checking regex-automata v0.4.3 [INFO] [stderr] Checking vec_map v0.8.2 [INFO] [stderr] Checking iana-time-zone v0.1.58 [INFO] [stderr] Checking strsim v0.8.0 [INFO] [stderr] Checking matchers v0.0.1 [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Checking chrono v0.4.31 [INFO] [stderr] Checking thread_local v1.1.7 [INFO] [stderr] Checking atoi v0.3.3 [INFO] [stderr] Checking tracing-log v0.1.4 [INFO] [stderr] Checking parking_lot_core v0.9.9 [INFO] [stderr] Checking socket2 v0.5.5 [INFO] [stderr] Checking signal-hook-registry v1.4.1 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking mio v0.8.9 [INFO] [stderr] Checking num_cpus v1.16.0 [INFO] [stderr] Checking clap v2.34.0 [INFO] [stderr] Checking parking_lot v0.12.1 [INFO] [stderr] Checking regex v1.10.2 [INFO] [stderr] Compiling proc-macro-error v1.0.4 [INFO] [stderr] Checking tracing-serde v0.1.3 [INFO] [stderr] Compiling structopt-derive v0.4.18 [INFO] [stderr] Compiling tracing-attributes v0.1.27 [INFO] [stderr] Compiling tokio-macros v2.1.0 [INFO] [stderr] Compiling pin-project-internal v1.1.3 [INFO] [stderr] Compiling async-stream-impl v0.3.5 [INFO] [stderr] Checking structopt v0.3.26 [INFO] [stderr] Checking async-stream v0.3.5 [INFO] [stderr] Checking tokio v1.33.0 [INFO] [stderr] Checking pin-project v1.1.3 [INFO] [stderr] Checking tracing v0.1.40 [INFO] [stderr] Checking tracing-futures v0.2.5 [INFO] [stderr] Checking tracing-subscriber v0.2.25 [INFO] [stderr] Checking tokio-stream v0.1.14 [INFO] [stderr] Checking mini-redis v0.4.1 [INFO] [stderr] Checking my-redis v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `std::hash::Hash` [INFO] [stdout] --> bin/server.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use std::hash::Hash; [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::hash::Hash` [INFO] [stdout] --> bin/server.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use std::hash::Hash; [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> bin/server.rs:48:21 [INFO] [stdout] | [INFO] [stdout] 48 | let mut sharded = db[key.len() % db.len()].lock().unwrap(); [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] --> bin/server.rs:48:21 [INFO] [stdout] | [INFO] [stdout] 48 | let mut sharded = db[key.len() % db.len()].lock().unwrap(); [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: type alias `Db` is never used [INFO] [stdout] --> bin/server.rs:10:6 [INFO] [stdout] | [INFO] [stdout] 10 | type Db = Arc>>; [INFO] [stdout] | ^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: type alias `Db` is never used [INFO] [stdout] --> bin/server.rs:10:6 [INFO] [stdout] | [INFO] [stdout] 10 | type Db = Arc>>; [INFO] [stdout] | ^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.89s [INFO] running `Command { std: "docker" "inspect" "fdb31ae2347453c29e4e5d7958d398e99cf1a4dbfc0e744012ab1416dfe8fefc", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "fdb31ae2347453c29e4e5d7958d398e99cf1a4dbfc0e744012ab1416dfe8fefc", kill_on_drop: false }` [INFO] [stdout] fdb31ae2347453c29e4e5d7958d398e99cf1a4dbfc0e744012ab1416dfe8fefc