[INFO] cloning repository https://github.com/ShaneM123/kvs [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ShaneM123/kvs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FShaneM123%2Fkvs", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FShaneM123%2Fkvs'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 297055f152ceae53c9d5ceb62ed98cc512812af5 [INFO] checking ShaneM123/kvs against master#f5f33ec0e0455eefa72fc5567eb1280a4d5ee206 for pr-83312 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FShaneM123%2Fkvs" "/workspace/builds/worker-4/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/ShaneM123/kvs on toolchain f5f33ec0e0455eefa72fc5567eb1280a4d5ee206 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f5f33ec0e0455eefa72fc5567eb1280a4d5ee206" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/ShaneM123/kvs [INFO] finished tweaking git repo https://github.com/ShaneM123/kvs [INFO] tweaked toml for git repo https://github.com/ShaneM123/kvs written to /workspace/builds/worker-4/source/Cargo.toml [INFO] crate git repo https://github.com/ShaneM123/kvs already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f5f33ec0e0455eefa72fc5567eb1280a4d5ee206" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+f5f33ec0e0455eefa72fc5567eb1280a4d5ee206" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 9817bae2dd6c9915c1d5c2558ef3f311320ad4b975861b3569d896909f47066e [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "9817bae2dd6c9915c1d5c2558ef3f311320ad4b975861b3569d896909f47066e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "9817bae2dd6c9915c1d5c2558ef3f311320ad4b975861b3569d896909f47066e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9817bae2dd6c9915c1d5c2558ef3f311320ad4b975861b3569d896909f47066e", kill_on_drop: false }` [INFO] [stdout] 9817bae2dd6c9915c1d5c2558ef3f311320ad4b975861b3569d896909f47066e [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+f5f33ec0e0455eefa72fc5567eb1280a4d5ee206" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 849a09c1e81b910523588275d3fb6a9a598f9fcc117b0b949754f94c28d11d8a [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "849a09c1e81b910523588275d3fb6a9a598f9fcc117b0b949754f94c28d11d8a", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.82 [INFO] [stderr] Compiling syn v1.0.60 [INFO] [stderr] Checking ansi_term v0.11.0 [INFO] [stderr] Checking once_cell v1.5.2 [INFO] [stderr] Checking predicates-core v1.0.1 [INFO] [stderr] Compiling doc-comment v0.3.3 [INFO] [stderr] Compiling proc-macro-error-attr v1.0.4 [INFO] [stderr] Compiling proc-macro-error v1.0.4 [INFO] [stderr] Compiling heck v0.3.2 [INFO] [stderr] Compiling quote v1.0.9 [INFO] [stderr] Checking float-cmp v0.8.0 [INFO] [stderr] Checking predicates-tree v1.0.1 [INFO] [stderr] Checking thread_local v1.1.1 [INFO] [stderr] Checking regex v1.4.3 [INFO] [stderr] Checking getrandom v0.2.2 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking wait-timeout v0.2.0 [INFO] [stderr] Checking clap v2.33.3 [INFO] [stderr] Checking rand_core v0.6.2 [INFO] [stderr] Checking predicates v1.0.6 [INFO] [stderr] Checking rand_chacha v0.3.0 [INFO] [stderr] Checking assert_cmd v1.0.2 [INFO] [stderr] Checking rand v0.8.3 [INFO] [stderr] Checking tempfile v3.2.0 [INFO] [stderr] Compiling structopt-derive v0.4.14 [INFO] [stderr] Compiling thiserror-impl v1.0.24 [INFO] [stderr] Checking thiserror v1.0.24 [INFO] [stderr] Checking structopt v0.3.21 [INFO] [stderr] Checking kvs v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `path` [INFO] [stdout] --> src/lib.rs:32:17 [INFO] [stdout] | [INFO] [stdout] 32 | pub fn open(path: &path::Path) -> Result { [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_path` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `path` [INFO] [stdout] --> src/lib.rs:32:17 [INFO] [stdout] | [INFO] [stdout] 32 | pub fn open(path: &path::Path) -> Result { [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_path` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [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] [stdout] warning: unused import: `std::path::PathBuf` [INFO] [stdout] --> src/bin/kvs.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | use std::path::PathBuf; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::path::PathBuf` [INFO] [stdout] --> src/bin/kvs.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | use std::path::PathBuf; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `opt` [INFO] [stdout] --> src/bin/kvs.rs:7:9 [INFO] [stdout] | [INFO] [stdout] 7 | let opt = Opt::from_args(); [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_opt` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `opt` [INFO] [stdout] --> src/bin/kvs.rs:7:9 [INFO] [stdout] | [INFO] [stdout] 7 | let opt = Opt::from_args(); [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_opt` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `arg1` [INFO] [stdout] --> src/bin/kvs.rs:82:9 [INFO] [stdout] | [INFO] [stdout] 82 | arg1: String, [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `arg1` [INFO] [stdout] --> src/bin/kvs.rs:85:9 [INFO] [stdout] | [INFO] [stdout] 85 | arg1: String, [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `arg2` [INFO] [stdout] --> src/bin/kvs.rs:86:9 [INFO] [stdout] | [INFO] [stdout] 86 | arg2: String, [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `arg1` [INFO] [stdout] --> src/bin/kvs.rs:89:9 [INFO] [stdout] | [INFO] [stdout] 89 | arg1: String, [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `arg1` [INFO] [stdout] --> src/bin/kvs.rs:82:9 [INFO] [stdout] | [INFO] [stdout] 82 | arg1: String, [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `arg1` [INFO] [stdout] --> src/bin/kvs.rs:85:9 [INFO] [stdout] | [INFO] [stdout] 85 | arg1: String, [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `arg2` [INFO] [stdout] --> src/bin/kvs.rs:86:9 [INFO] [stdout] | [INFO] [stdout] 86 | arg2: String, [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `arg1` [INFO] [stdout] --> src/bin/kvs.rs:89:9 [INFO] [stdout] | [INFO] [stdout] 89 | arg1: String, [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 6 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 6 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> tests/tests.rs:194:9 [INFO] [stdout] | [INFO] [stdout] 194 | let mut store = KvStore::open(temp_dir.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: variable does not need to be mutable [INFO] [stdout] --> tests/tests.rs:233:9 [INFO] [stdout] | [INFO] [stdout] 233 | let mut store = KvStore::open(temp_dir.path())?; [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] --> tests/tests.rs:292:13 [INFO] [stdout] | [INFO] [stdout] 292 | let mut store = KvStore::open(temp_dir.path())?; [INFO] [stdout] | ----^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 28.64s [INFO] running `Command { std: "docker" "inspect" "849a09c1e81b910523588275d3fb6a9a598f9fcc117b0b949754f94c28d11d8a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "849a09c1e81b910523588275d3fb6a9a598f9fcc117b0b949754f94c28d11d8a", kill_on_drop: false }` [INFO] [stdout] 849a09c1e81b910523588275d3fb6a9a598f9fcc117b0b949754f94c28d11d8a