[INFO] cloning repository https://github.com/engylemure/my-redis [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/engylemure/my-redis" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fengylemure%2Fmy-redis", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fengylemure%2Fmy-redis'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 2e1f8905775fc1f5c8b5f296fc7f5cdf4cac7c50 [INFO] checking engylemure/my-redis against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fengylemure%2Fmy-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/engylemure/my-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/engylemure/my-redis [INFO] finished tweaking git repo https://github.com/engylemure/my-redis [INFO] tweaked toml for git repo https://github.com/engylemure/my-redis written to /workspace/builds/worker-4-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/engylemure/my-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] [stderr] Updating crates.io index [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded tokio-macros v1.1.0 [INFO] [stderr] Downloaded signal-hook-registry v1.3.0 [INFO] [stderr] Downloaded async-stream-impl v0.3.0 [INFO] [stderr] Downloaded tracing-serde v0.1.2 [INFO] [stderr] Downloaded hermit-abi v0.1.18 [INFO] [stderr] Downloaded pin-project-lite v0.2.6 [INFO] [stderr] Downloaded matchers v0.0.1 [INFO] [stderr] Downloaded futures-executor v0.3.13 [INFO] [stderr] Downloaded futures-io v0.3.13 [INFO] [stderr] Downloaded futures-macro v0.3.13 [INFO] [stderr] Downloaded futures-sink v0.3.13 [INFO] [stderr] Downloaded futures-channel v0.3.13 [INFO] [stderr] Downloaded futures-task v0.3.13 [INFO] [stderr] Downloaded futures v0.3.13 [INFO] [stderr] Downloaded futures-util v0.3.13 [INFO] [stderr] Downloaded regex-syntax v0.6.23 [INFO] [stderr] Downloaded libc v0.2.92 [INFO] [stderr] Downloaded regex v1.4.5 [INFO] [stderr] Downloaded tokio v1.4.0 [INFO] [stderr] Downloaded clap v2.33.3 [INFO] [stderr] Downloaded unicode-segmentation v1.7.1 [INFO] [stderr] Downloaded heck v0.3.2 [INFO] [stderr] Downloaded chrono v0.4.19 [INFO] [stderr] Downloaded serde_json v1.0.64 [INFO] [stderr] Downloaded serde v1.0.125 [INFO] [stderr] Downloaded tracing-subscriber v0.2.17 [INFO] [stderr] Downloaded ntapi v0.3.6 [INFO] [stderr] Downloaded mio v0.7.11 [INFO] [stderr] Downloaded syn v1.0.67 [INFO] [stderr] Downloaded structopt-derive v0.4.14 [INFO] [stderr] Downloaded structopt v0.3.21 [INFO] [stderr] Downloaded pin-project-internal v1.0.6 [INFO] [stderr] Downloaded pin-project v1.0.6 [INFO] [stderr] Downloaded num-integer v0.1.44 [INFO] [stderr] Downloaded num-traits v0.2.14 [INFO] [stderr] Downloaded sharded-slab v0.1.1 [INFO] [stderr] Downloaded tracing v0.1.25 [INFO] [stderr] Downloaded tracing-core v0.1.17 [INFO] [stderr] Downloaded mini-redis v0.4.0 [INFO] [stderr] Downloaded bytes v1.0.1 [INFO] [stderr] Downloaded once_cell v1.7.2 [INFO] [stderr] Downloaded smallvec v1.6.1 [INFO] [stderr] Downloaded proc-macro-hack v0.5.19 [INFO] [stderr] Downloaded proc-macro-nested v0.1.7 [INFO] [stderr] Downloaded async-stream v0.3.0 [INFO] [stderr] Downloaded atoi v0.3.3 [INFO] [stderr] Downloaded unicode-width v0.1.8 [INFO] [stderr] Downloaded version_check v0.9.3 [INFO] [stderr] Downloaded futures-core v0.3.13 [INFO] [stderr] Downloaded tokio-stream v0.1.5 [INFO] [stderr] Downloaded itoa v0.4.7 [INFO] [stderr] Downloaded thread_local v1.1.3 [INFO] [stderr] Downloaded tracing-attributes v0.1.15 [INFO] [stderr] Downloaded tracing-log v0.1.2 [INFO] [stderr] Downloaded autocfg v1.0.1 [INFO] [stderr] Downloaded memchr v2.3.4 [INFO] [stderr] Downloaded log v0.4.14 [INFO] [stderr] Downloaded lock_api v0.4.2 [INFO] [stderr] Downloaded instant v0.1.9 [INFO] [stderr] Downloaded redox_syscall v0.2.5 [INFO] [stderr] Downloaded parking_lot_core v0.8.3 [INFO] [stderr] Downloaded parking_lot v0.11.1 [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] 1a070c4f3d01c0305c4c871c5f75ab7ecf9b14d9249a8eed5e0b390b06d698dd [INFO] running `Command { std: "docker" "start" "-a" "1a070c4f3d01c0305c4c871c5f75ab7ecf9b14d9249a8eed5e0b390b06d698dd", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "1a070c4f3d01c0305c4c871c5f75ab7ecf9b14d9249a8eed5e0b390b06d698dd", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1a070c4f3d01c0305c4c871c5f75ab7ecf9b14d9249a8eed5e0b390b06d698dd", kill_on_drop: false }` [INFO] [stdout] 1a070c4f3d01c0305c4c871c5f75ab7ecf9b14d9249a8eed5e0b390b06d698dd [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] 4bc574c2398cc4310d327559fbcd3ea1416141a781d8e979de78d19b0361d200 [INFO] running `Command { std: "docker" "start" "-a" "4bc574c2398cc4310d327559fbcd3ea1416141a781d8e979de78d19b0361d200", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.24 [INFO] [stderr] Compiling unicode-xid v0.2.1 [INFO] [stderr] Compiling syn v1.0.67 [INFO] [stderr] Compiling libc v0.2.92 [INFO] [stderr] Compiling autocfg v1.0.1 [INFO] [stderr] Checking cfg-if v1.0.0 [INFO] [stderr] Compiling version_check v0.9.3 [INFO] [stderr] Checking pin-project-lite v0.2.6 [INFO] [stderr] Compiling log v0.4.14 [INFO] [stderr] Compiling memchr v2.3.4 [INFO] [stderr] Checking futures-core v0.3.13 [INFO] [stderr] Compiling proc-macro-hack v0.5.19 [INFO] [stderr] Compiling serde v1.0.125 [INFO] [stderr] Checking smallvec v1.6.1 [INFO] [stderr] Checking scopeguard v1.1.0 [INFO] [stderr] Checking tracing-core v0.1.17 [INFO] [stderr] Checking regex-syntax v0.6.23 [INFO] [stderr] Checking instant v0.1.9 [INFO] [stderr] Checking once_cell v1.7.2 [INFO] [stderr] Compiling proc-macro-nested v0.1.7 [INFO] [stderr] Compiling ryu v1.0.5 [INFO] [stderr] Checking lock_api v0.4.2 [INFO] [stderr] Checking unicode-width v0.1.8 [INFO] [stderr] Compiling serde_json v1.0.64 [INFO] [stderr] Checking byteorder v1.4.3 [INFO] [stderr] Checking futures-sink v0.3.13 [INFO] [stderr] Compiling unicode-segmentation v1.7.1 [INFO] [stderr] Checking futures-channel v0.3.13 [INFO] [stderr] Compiling num-traits v0.2.14 [INFO] [stderr] Compiling num-integer v0.1.44 [INFO] [stderr] Compiling tokio v1.4.0 [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Checking futures-task v0.3.13 [INFO] [stderr] Compiling proc-macro-error-attr v1.0.4 [INFO] [stderr] Compiling proc-macro-error v1.0.4 [INFO] [stderr] Checking pin-utils v0.1.0 [INFO] [stderr] Checking futures-io v0.3.13 [INFO] [stderr] Checking strsim v0.8.0 [INFO] [stderr] Checking vec_map v0.8.2 [INFO] [stderr] Checking bytes v1.0.1 [INFO] [stderr] Checking ansi_term v0.11.0 [INFO] [stderr] Checking itoa v0.4.7 [INFO] [stderr] Checking tracing-log v0.1.2 [INFO] [stderr] Checking thread_local v1.1.3 [INFO] [stderr] Checking sharded-slab v0.1.1 [INFO] [stderr] Checking ansi_term v0.12.1 [INFO] [stderr] Compiling heck v0.3.2 [INFO] [stderr] Compiling quote v1.0.9 [INFO] [stderr] Checking parking_lot_core v0.8.3 [INFO] [stderr] Checking mio v0.7.11 [INFO] [stderr] Checking signal-hook-registry v1.3.0 [INFO] [stderr] Checking num_cpus v1.13.0 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking clap v2.33.3 [INFO] [stderr] Checking parking_lot v0.11.1 [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 v1.4.5 [INFO] [stderr] Checking matchers v0.0.1 [INFO] [stderr] Checking tracing-serde v0.1.2 [INFO] [stderr] Compiling tracing-attributes v0.1.15 [INFO] [stderr] Compiling pin-project-internal v1.0.6 [INFO] [stderr] Compiling tokio-macros v1.1.0 [INFO] [stderr] Compiling futures-macro v0.3.13 [INFO] [stderr] Compiling structopt-derive v0.4.14 [INFO] [stderr] Compiling async-stream-impl v0.3.0 [INFO] [stderr] Checking async-stream v0.3.0 [INFO] [stderr] Checking futures-util v0.3.13 [INFO] [stderr] Checking tracing v0.1.25 [INFO] [stderr] Checking structopt v0.3.21 [INFO] [stderr] Checking pin-project v1.0.6 [INFO] [stderr] Checking tracing-subscriber v0.2.17 [INFO] [stderr] Checking tracing-futures v0.2.5 [INFO] [stderr] Checking futures-executor v0.3.13 [INFO] [stderr] Checking futures v0.3.13 [INFO] [stderr] Checking tokio-stream v0.1.5 [INFO] [stderr] Checking mini-redis v0.4.0 [INFO] [stderr] Checking my-redis v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: field `key` is never read [INFO] [stdout] --> src/memory_db.rs:17:9 [INFO] [stdout] | [INFO] [stdout] 16 | pub struct GetResult { [INFO] [stdout] | --------- field in this struct [INFO] [stdout] 17 | pub key: String, [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `GetResult` 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: variant `Internal` is never constructed [INFO] [stdout] --> src/memory_db.rs:23:5 [INFO] [stdout] | [INFO] [stdout] 22 | pub enum CmdError { [INFO] [stdout] | -------- variant in this enum [INFO] [stdout] 23 | Internal, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `CmdError` 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 `key` is never read [INFO] [stdout] --> src/memory_db.rs:17:9 [INFO] [stdout] | [INFO] [stdout] 16 | pub struct GetResult { [INFO] [stdout] | --------- field in this struct [INFO] [stdout] 17 | pub key: String, [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `GetResult` 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: variant `Internal` is never constructed [INFO] [stdout] --> src/memory_db.rs:23:5 [INFO] [stdout] | [INFO] [stdout] 22 | pub enum CmdError { [INFO] [stdout] | -------- variant in this enum [INFO] [stdout] 23 | Internal, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `CmdError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 14.19s [INFO] running `Command { std: "docker" "inspect" "4bc574c2398cc4310d327559fbcd3ea1416141a781d8e979de78d19b0361d200", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4bc574c2398cc4310d327559fbcd3ea1416141a781d8e979de78d19b0361d200", kill_on_drop: false }` [INFO] [stdout] 4bc574c2398cc4310d327559fbcd3ea1416141a781d8e979de78d19b0361d200