[INFO] cloning repository https://github.com/bigjr-mkkong/metal-redis-client [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/bigjr-mkkong/metal-redis-client" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbigjr-mkkong%2Fmetal-redis-client", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbigjr-mkkong%2Fmetal-redis-client'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 22c53e0eb84ee819608b3d5356bbf452c575604d [INFO] checking bigjr-mkkong/metal-redis-client against try#6cbf54b1453b438241487f195740266bb9d8c8ba for pr-139587-2 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbigjr-mkkong%2Fmetal-redis-client" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/bigjr-mkkong/metal-redis-client on toolchain 6cbf54b1453b438241487f195740266bb9d8c8ba [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+6cbf54b1453b438241487f195740266bb9d8c8ba" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/bigjr-mkkong/metal-redis-client [INFO] finished tweaking git repo https://github.com/bigjr-mkkong/metal-redis-client [INFO] tweaked toml for git repo https://github.com/bigjr-mkkong/metal-redis-client written to /workspace/builds/worker-2-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/bigjr-mkkong/metal-redis-client 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" "+6cbf54b1453b438241487f195740266bb9d8c8ba" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+6cbf54b1453b438241487f195740266bb9d8c8ba" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 5e5ffa335abbaf0ac3fd27b73c27e675a3f16a7f3d9ede2aeb4fa8a4578896e6 [INFO] running `Command { std: "docker" "start" "-a" "5e5ffa335abbaf0ac3fd27b73c27e675a3f16a7f3d9ede2aeb4fa8a4578896e6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "5e5ffa335abbaf0ac3fd27b73c27e675a3f16a7f3d9ede2aeb4fa8a4578896e6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5e5ffa335abbaf0ac3fd27b73c27e675a3f16a7f3d9ede2aeb4fa8a4578896e6", kill_on_drop: false }` [INFO] [stdout] 5e5ffa335abbaf0ac3fd27b73c27e675a3f16a7f3d9ede2aeb4fa8a4578896e6 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+6cbf54b1453b438241487f195740266bb9d8c8ba" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] fdc94c75b2f41df09462057332bee42239caf8f04bfbb0b367eec732e886fdb5 [INFO] running `Command { std: "docker" "start" "-a" "fdc94c75b2f41df09462057332bee42239caf8f04bfbb0b367eec732e886fdb5", kill_on_drop: false }` [INFO] [stderr] Compiling autocfg v1.3.0 [INFO] [stderr] Compiling libc v0.2.155 [INFO] [stderr] Checking bytes v1.7.1 [INFO] [stderr] Checking memchr v2.7.4 [INFO] [stderr] Checking ryu v1.0.18 [INFO] [stderr] Checking sha1_smol v1.0.1 [INFO] [stderr] Checking arc-swap v1.7.1 [INFO] [stderr] Checking tinyvec v1.8.0 [INFO] [stderr] Compiling num-traits v0.2.19 [INFO] [stderr] Checking combine v4.6.7 [INFO] [stderr] Checking unicode-normalization v0.1.23 [INFO] [stderr] Checking socket2 v0.5.7 [INFO] [stderr] Checking idna v0.5.0 [INFO] [stderr] Checking num-integer v0.1.46 [INFO] [stderr] Checking url v2.5.2 [INFO] [stderr] Checking num-bigint v0.4.6 [INFO] [stderr] Checking redis v0.26.1 [INFO] [stderr] Checking metai-redis-client v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `std::ffi::OsStr` [INFO] [stdout] --> src/main.rs:7:5 [INFO] [stdout] | [INFO] [stdout] 7 | use std::ffi::OsStr; [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] --> src/main.rs:13:9 [INFO] [stdout] | [INFO] [stdout] 13 | let mut fo = File::options().read(readable).write(writable).open(pipe_path); [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: `con` [INFO] [stdout] --> src/main.rs:49:13 [INFO] [stdout] | [INFO] [stdout] 49 | let mut con = client.get_connection()?; [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_con` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::ffi::OsStr` [INFO] [stdout] --> src/main.rs:7:5 [INFO] [stdout] | [INFO] [stdout] 7 | use std::ffi::OsStr; [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] --> src/main.rs:49:9 [INFO] [stdout] | [INFO] [stdout] 49 | let mut con = client.get_connection()?; [INFO] [stdout] | ----^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:13:9 [INFO] [stdout] | [INFO] [stdout] 13 | let mut fo = File::options().read(readable).write(writable).open(pipe_path); [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: `con` [INFO] [stdout] --> src/main.rs:49:13 [INFO] [stdout] | [INFO] [stdout] 49 | let mut con = client.get_connection()?; [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_con` [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/main.rs:49:9 [INFO] [stdout] | [INFO] [stdout] 49 | let mut con = client.get_connection()?; [INFO] [stdout] | ----^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 14.68s [INFO] running `Command { std: "docker" "inspect" "fdc94c75b2f41df09462057332bee42239caf8f04bfbb0b367eec732e886fdb5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "fdc94c75b2f41df09462057332bee42239caf8f04bfbb0b367eec732e886fdb5", kill_on_drop: false }` [INFO] [stdout] fdc94c75b2f41df09462057332bee42239caf8f04bfbb0b367eec732e886fdb5