[INFO] cloning repository https://github.com/natsunoyoru97/my-kvs [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/natsunoyoru97/my-kvs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnatsunoyoru97%2Fmy-kvs", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnatsunoyoru97%2Fmy-kvs'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 0f34e63e1588dd94c9a57098e5f49ee2d5b61714 [INFO] checking natsunoyoru97/my-kvs against master#642c19bfc3a5c1de985bf5d0cc8207ac9d22708a for pr-148577 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnatsunoyoru97%2Fmy-kvs" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/natsunoyoru97/my-kvs [INFO] finished tweaking git repo https://github.com/natsunoyoru97/my-kvs [INFO] tweaked toml for git repo https://github.com/natsunoyoru97/my-kvs written to /workspace/builds/worker-5-tc1/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/natsunoyoru97/my-kvs on toolchain 642c19bfc3a5c1de985bf5d0cc8207ac9d22708a [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+642c19bfc3a5c1de985bf5d0cc8207ac9d22708a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/natsunoyoru97/my-kvs 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" "+642c19bfc3a5c1de985bf5d0cc8207ac9d22708a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded predicates-tree v1.0.5 [INFO] [stderr] Downloaded termtree v0.2.4 [INFO] [stderr] Downloaded predicates-core v1.0.3 [INFO] [stderr] Downloaded assert_cmd v2.0.4 [INFO] [stderr] Downloaded predicates v2.1.1 [INFO] [stderr] Downloaded serde_derive v1.0.134 [INFO] [stderr] Downloaded fastrand v1.6.0 [INFO] [stderr] Downloaded clap v3.0.10 [INFO] [stderr] Downloaded serde v1.0.134 [INFO] [stderr] Downloaded libc v0.2.113 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+642c19bfc3a5c1de985bf5d0cc8207ac9d22708a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 87a8797c194347c35af0e92a7b4d9045ea4a9fda5207219a89be134c66806846 [INFO] running `Command { std: "docker" "start" "-a" "87a8797c194347c35af0e92a7b4d9045ea4a9fda5207219a89be134c66806846", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "87a8797c194347c35af0e92a7b4d9045ea4a9fda5207219a89be134c66806846", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "87a8797c194347c35af0e92a7b4d9045ea4a9fda5207219a89be134c66806846", kill_on_drop: false }` [INFO] [stdout] 87a8797c194347c35af0e92a7b4d9045ea4a9fda5207219a89be134c66806846 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+642c19bfc3a5c1de985bf5d0cc8207ac9d22708a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 10c22491c2baaff038352157748f1448d0411c64f9036d4ccdf6bab7ed19f84c [INFO] running `Command { std: "docker" "start" "-a" "10c22491c2baaff038352157748f1448d0411c64f9036d4ccdf6bab7ed19f84c", kill_on_drop: false }` [INFO] [stderr] Compiling syn v1.0.86 [INFO] [stderr] Compiling libc v0.2.113 [INFO] [stderr] Compiling serde_derive v1.0.134 [INFO] [stderr] Compiling serde v1.0.134 [INFO] [stderr] Compiling serde_json v1.0.75 [INFO] [stderr] Checking itoa v1.0.1 [INFO] [stderr] Compiling quote v1.0.14 [INFO] [stderr] Compiling indexmap v1.8.0 [INFO] [stderr] Checking textwrap v0.14.2 [INFO] [stderr] Checking predicates-core v1.0.3 [INFO] [stderr] Checking ryu v1.0.9 [INFO] [stderr] Checking os_str_bytes v6.0.0 [INFO] [stderr] Checking float-cmp v0.9.0 [INFO] [stderr] Checking regex-automata v0.1.10 [INFO] [stderr] Checking termtree v0.2.4 [INFO] [stderr] Checking difflib v0.4.0 [INFO] [stderr] Checking fastrand v1.6.0 [INFO] [stderr] Checking predicates-tree v1.0.5 [INFO] [stderr] Checking predicates v2.1.1 [INFO] [stderr] Checking bstr v0.2.17 [INFO] [stderr] Compiling proc-macro-error-attr v1.0.4 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking wait-timeout v0.2.0 [INFO] [stderr] Checking tempfile v3.3.0 [INFO] [stderr] Checking assert_cmd v2.0.4 [INFO] [stderr] Compiling proc-macro-error v1.0.4 [INFO] [stderr] Compiling clap_derive v3.0.6 [INFO] [stderr] Checking clap v3.0.10 [INFO] [stderr] Checking kvs v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused imports: `io::prelude::*` and `io` [INFO] [stdout] --> src/lib.rs:7:5 [INFO] [stdout] | [INFO] [stdout] 7 | io, [INFO] [stdout] | ^^ [INFO] [stdout] 8 | io::prelude::*, [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `io::prelude::*` and `io` [INFO] [stdout] --> src/lib.rs:7:5 [INFO] [stdout] | [INFO] [stdout] 7 | io, [INFO] [stdout] | ^^ [INFO] [stdout] 8 | io::prelude::*, [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/lib.rs:53:13 [INFO] [stdout] | [INFO] [stdout] 53 | let mut file = File::open(&path); [INFO] [stdout] | ----^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `file` [INFO] [stdout] --> src/lib.rs:53:13 [INFO] [stdout] | [INFO] [stdout] 53 | let mut file = File::open(&path); [INFO] [stdout] | ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_file` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `v` [INFO] [stdout] --> src/lib.rs:63:18 [INFO] [stdout] | [INFO] [stdout] 63 | Some(v) => { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_v` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `KvPair` is never constructed [INFO] [stdout] --> src/lib.rs:29:8 [INFO] [stdout] | [INFO] [stdout] 29 | struct KvPair { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/lib.rs:53:13 [INFO] [stdout] | [INFO] [stdout] 53 | let mut file = File::open(&path); [INFO] [stdout] | ----^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `file` [INFO] [stdout] --> src/lib.rs:53:13 [INFO] [stdout] | [INFO] [stdout] 53 | let mut file = File::open(&path); [INFO] [stdout] | ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_file` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `v` [INFO] [stdout] --> src/lib.rs:63:18 [INFO] [stdout] | [INFO] [stdout] 63 | Some(v) => { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_v` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `KvPair` is never constructed [INFO] [stdout] --> src/lib.rs:29:8 [INFO] [stdout] | [INFO] [stdout] 29 | struct KvPair { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [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)]` (part of `#[warn(unused)]`) 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] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 10.61s [INFO] running `Command { std: "docker" "inspect" "10c22491c2baaff038352157748f1448d0411c64f9036d4ccdf6bab7ed19f84c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "10c22491c2baaff038352157748f1448d0411c64f9036d4ccdf6bab7ed19f84c", kill_on_drop: false }` [INFO] [stdout] 10c22491c2baaff038352157748f1448d0411c64f9036d4ccdf6bab7ed19f84c