[INFO] cloning repository https://github.com/RetownPlato/kvs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/RetownPlato/kvs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRetownPlato%2Fkvs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRetownPlato%2Fkvs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e10846988c6b693711d525d130ab61caa337ad89
[INFO] checking RetownPlato/kvs against master#5518eaa946291f00471af8b254b2a1715f234882 for pr-120393
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRetownPlato%2Fkvs" "/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/RetownPlato/kvs on toolchain 5518eaa946291f00471af8b254b2a1715f234882
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+5518eaa946291f00471af8b254b2a1715f234882" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/RetownPlato/kvs
[INFO] finished tweaking git repo https://github.com/RetownPlato/kvs
[INFO] tweaked toml for git repo https://github.com/RetownPlato/kvs written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+5518eaa946291f00471af8b254b2a1715f234882" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+5518eaa946291f00471af8b254b2a1715f234882" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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" "+5518eaa946291f00471af8b254b2a1715f234882" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e2541f182619a588b14fb45cc3b5a9931de0a75a74f58e0db16da740aa4185bc
[INFO] running `Command { std: "docker" "start" "-a" "e2541f182619a588b14fb45cc3b5a9931de0a75a74f58e0db16da740aa4185bc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e2541f182619a588b14fb45cc3b5a9931de0a75a74f58e0db16da740aa4185bc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e2541f182619a588b14fb45cc3b5a9931de0a75a74f58e0db16da740aa4185bc", kill_on_drop: false }`
[INFO] [stdout] e2541f182619a588b14fb45cc3b5a9931de0a75a74f58e0db16da740aa4185bc
[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" "+5518eaa946291f00471af8b254b2a1715f234882" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3180901b2b81a073217058e63d736724d36d8fb42cafbe3f77a29d9a65fe0aa7
[INFO] running `Command { std: "docker" "start" "-a" "3180901b2b81a073217058e63d736724d36d8fb42cafbe3f77a29d9a65fe0aa7", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.78
[INFO] [stderr]    Compiling libc v0.2.153
[INFO] [stderr]     Checking memchr v2.7.1
[INFO] [stderr]    Compiling serde v1.0.196
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling serde_json v1.0.113
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]    Compiling unicode-xid v0.2.4
[INFO] [stderr]     Checking gimli v0.28.1
[INFO] [stderr]     Checking rustc-demangle v0.1.23
[INFO] [stderr]     Checking miniz_oxide v0.7.1
[INFO] [stderr]     Checking unicode-width v0.1.11
[INFO] [stderr]     Checking predicates-core v1.0.6
[INFO] [stderr]     Checking ansi_term v0.12.1
[INFO] [stderr]    Compiling escargot v0.4.0
[INFO] [stderr]    Compiling rustix v0.38.30
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking float-cmp v0.8.0
[INFO] [stderr]     Checking linux-raw-sys v0.4.13
[INFO] [stderr]     Checking difference v2.0.0
[INFO] [stderr]     Checking termtree v0.4.1
[INFO] [stderr]     Checking bitflags v2.4.2
[INFO] [stderr]     Checking same-file v1.0.6
[INFO] [stderr]     Checking fastrand v2.0.1
[INFO] [stderr]     Checking predicates-tree v1.0.9
[INFO] [stderr]     Checking walkdir v2.4.0
[INFO] [stderr]     Checking aho-corasick v1.1.2
[INFO] [stderr]     Checking object v0.32.2
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]    Compiling syn v2.0.48
[INFO] [stderr]     Checking regex-automata v0.4.5
[INFO] [stderr]    Compiling cc v1.0.83
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking clap v2.34.0
[INFO] [stderr]     Checking addr2line v0.21.0
[INFO] [stderr]     Checking tempfile v3.9.0
[INFO] [stderr]    Compiling backtrace v0.3.69
[INFO] [stderr]    Compiling serde_derive v1.0.196
[INFO] [stderr]    Compiling synstructure v0.12.6
[INFO] [stderr]     Checking regex v1.10.3
[INFO] [stderr]     Checking predicates v1.0.8
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]     Checking kvs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `path` is never read
[INFO] [stdout]   --> src/kvs.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub struct KvStore {
[INFO] [stdout]    |            ------- field in this struct
[INFO] [stdout] 15 |     path: PathBuf,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking assert_cmd v0.11.1
[INFO] [stdout] warning: field `path` is never read
[INFO] [stdout]   --> src/kvs.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub struct KvStore {
[INFO] [stdout]    |            ------- field in this struct
[INFO] [stdout] 15 |     path: PathBuf,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.91s
[INFO] running `Command { std: "docker" "inspect" "3180901b2b81a073217058e63d736724d36d8fb42cafbe3f77a29d9a65fe0aa7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3180901b2b81a073217058e63d736724d36d8fb42cafbe3f77a29d9a65fe0aa7", kill_on_drop: false }`
[INFO] [stdout] 3180901b2b81a073217058e63d736724d36d8fb42cafbe3f77a29d9a65fe0aa7