[INFO] cloning repository https://github.com/parkcheolu/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/parkcheolu/mini-redis" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fparkcheolu%2Fmini-redis", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fparkcheolu%2Fmini-redis'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] decca24b8c7c30cc61dc34152c53a97fd5f7ad7c [INFO] checking parkcheolu/mini-redis against master#1f12b9b0fdbe735968ac002792a720f0ba4faca6 for crater-rollup-uwu [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fparkcheolu%2Fmini-redis" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/parkcheolu/mini-redis on toolchain 1f12b9b0fdbe735968ac002792a720f0ba4faca6 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/parkcheolu/mini-redis [INFO] finished tweaking git repo https://github.com/parkcheolu/mini-redis [INFO] tweaked toml for git repo https://github.com/parkcheolu/mini-redis written to /workspace/builds/worker-3-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/parkcheolu/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" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded async-stream-impl v0.3.0 [INFO] [stderr] Downloaded serde v1.0.123 [INFO] [stderr] Downloaded atoi v0.4.0 [INFO] [stderr] Downloaded thread_local v1.1.3 [INFO] [stderr] Downloaded pin-project-lite v0.2.2 [INFO] [stderr] Downloaded async-stream v0.3.0 [INFO] [stderr] Downloaded signal-hook-registry v1.3.0 [INFO] [stderr] Downloaded tokio-stream v0.1.3 [INFO] [stderr] Downloaded bytes v1.0.0 [INFO] [stderr] Downloaded mio v0.7.7 [INFO] [stderr] Downloaded serde_json v1.0.62 [INFO] [stderr] Downloaded tracing v0.1.23 [INFO] [stderr] Downloaded futures-core v0.3.12 [INFO] [stderr] Downloaded tracing-attributes v0.1.12 [INFO] [stderr] Downloaded tokio-macros v1.0.0 [INFO] [stderr] Downloaded tokio v1.0.1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 01b7e8be826b80ebd613ed83f9441290bf7e06098dcfe247b7a8aacd4fde72b8 [INFO] running `Command { std: "docker" "start" "-a" "01b7e8be826b80ebd613ed83f9441290bf7e06098dcfe247b7a8aacd4fde72b8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "01b7e8be826b80ebd613ed83f9441290bf7e06098dcfe247b7a8aacd4fde72b8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "01b7e8be826b80ebd613ed83f9441290bf7e06098dcfe247b7a8aacd4fde72b8", kill_on_drop: false }` [INFO] [stdout] 01b7e8be826b80ebd613ed83f9441290bf7e06098dcfe247b7a8aacd4fde72b8 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] e65c33618008cd0659ca743b23976cd5223e4973f1e7b820ad709ea35e5fc53e [INFO] running `Command { std: "docker" "start" "-a" "e65c33618008cd0659ca743b23976cd5223e4973f1e7b820ad709ea35e5fc53e", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.82 [INFO] [stderr] Compiling syn v1.0.58 [INFO] [stderr] Compiling log v0.4.11 [INFO] [stderr] Compiling serde v1.0.123 [INFO] [stderr] Checking smallvec v1.6.1 [INFO] [stderr] Checking regex-syntax v0.6.22 [INFO] [stderr] Compiling memchr v2.3.4 [INFO] [stderr] Compiling num-traits v0.2.14 [INFO] [stderr] Checking instant v0.1.9 [INFO] [stderr] Checking tracing-core v0.1.17 [INFO] [stderr] Checking once_cell v1.5.2 [INFO] [stderr] Compiling quote v1.0.8 [INFO] [stderr] Checking pin-project-lite v0.2.2 [INFO] [stderr] Checking lock_api v0.4.2 [INFO] [stderr] Compiling tokio v1.0.1 [INFO] [stderr] Compiling serde_json v1.0.62 [INFO] [stderr] Compiling unicode-segmentation v1.7.1 [INFO] [stderr] Checking byteorder v1.4.2 [INFO] [stderr] Checking futures-core v0.3.12 [INFO] [stderr] Checking itoa v0.4.7 [INFO] [stderr] Checking bytes v1.0.0 [INFO] [stderr] Checking thread_local v1.1.3 [INFO] [stderr] Checking sharded-slab v0.1.1 [INFO] [stderr] Compiling proc-macro-error-attr v1.0.4 [INFO] [stderr] Compiling heck v0.3.2 [INFO] [stderr] Checking tracing-log v0.1.1 [INFO] [stderr] Checking parking_lot_core v0.8.2 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking signal-hook-registry v1.3.0 [INFO] [stderr] Checking mio v0.7.7 [INFO] [stderr] Checking num_cpus v1.13.0 [INFO] [stderr] Checking time v0.1.44 [INFO] [stderr] Checking clap v2.33.3 [INFO] [stderr] Checking parking_lot v0.11.1 [INFO] [stderr] Checking num-integer v0.1.44 [INFO] [stderr] Checking atoi v0.4.0 [INFO] [stderr] Checking chrono v0.4.19 [INFO] [stderr] Checking regex-automata v0.1.9 [INFO] [stderr] Checking regex v1.4.3 [INFO] [stderr] Checking matchers v0.0.1 [INFO] [stderr] Checking tracing-serde v0.1.2 [INFO] [stderr] Compiling proc-macro-error v1.0.4 [INFO] [stderr] Compiling tokio-macros v1.0.0 [INFO] [stderr] Compiling tracing-attributes v0.1.12 [INFO] [stderr] Compiling async-stream-impl v0.3.0 [INFO] [stderr] Compiling structopt-derive v0.4.14 [INFO] [stderr] Checking async-stream v0.3.0 [INFO] [stderr] Checking tracing v0.1.23 [INFO] [stderr] Checking structopt v0.3.21 [INFO] [stderr] Checking tracing-subscriber v0.2.15 [INFO] [stderr] Checking tokio-stream v0.1.3 [INFO] [stderr] Checking mini-redis v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `instrument` [INFO] [stdout] --> src/client.rs:11:22 [INFO] [stdout] | [INFO] [stdout] 11 | use tracing::{debug, instrument}; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `instrument` [INFO] [stdout] --> src/cmd/get.rs:4:22 [INFO] [stdout] | [INFO] [stdout] 4 | use tracing::{debug, instrument}; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `instrument` [INFO] [stdout] --> src/cmd/set.rs:6:22 [INFO] [stdout] | [INFO] [stdout] 6 | use tracing::{debug, instrument}; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `instrument` [INFO] [stdout] --> src/cmd/unknown.rs:3:22 [INFO] [stdout] | [INFO] [stdout] 3 | use tracing::{debug, instrument}; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `instrument` [INFO] [stdout] --> src/client.rs:11:22 [INFO] [stdout] | [INFO] [stdout] 11 | use tracing::{debug, instrument}; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `instrument` [INFO] [stdout] --> src/cmd/get.rs:4:22 [INFO] [stdout] | [INFO] [stdout] 4 | use tracing::{debug, instrument}; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `instrument` [INFO] [stdout] --> src/cmd/set.rs:6:22 [INFO] [stdout] | [INFO] [stdout] 6 | use tracing::{debug, instrument}; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `instrument` [INFO] [stdout] --> src/cmd/unknown.rs:3:22 [INFO] [stdout] | [INFO] [stdout] 3 | use tracing::{debug, instrument}; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `instrument` [INFO] [stdout] --> src/server.rs:15:35 [INFO] [stdout] | [INFO] [stdout] 15 | use tracing::{debug, error, info, instrument}; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `instrument` [INFO] [stdout] --> src/server.rs:15:35 [INFO] [stdout] | [INFO] [stdout] 15 | use tracing::{debug, error, info, instrument}; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 12.58s [INFO] running `Command { std: "docker" "inspect" "e65c33618008cd0659ca743b23976cd5223e4973f1e7b820ad709ea35e5fc53e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e65c33618008cd0659ca743b23976cd5223e4973f1e7b820ad709ea35e5fc53e", kill_on_drop: false }` [INFO] [stdout] e65c33618008cd0659ca743b23976cd5223e4973f1e7b820ad709ea35e5fc53e