[INFO] cloning repository https://github.com/Michielnuyts/kv-store
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Michielnuyts/kv-store" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMichielnuyts%2Fkv-store", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMichielnuyts%2Fkv-store'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b3ad999c036b4c94b97cf8a4715297d5be3440f9
[INFO] checking Michielnuyts/kv-store against 1.95.0 for pr-155915
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMichielnuyts%2Fkv-store" "/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/Michielnuyts/kv-store
[INFO] finished tweaking git repo https://github.com/Michielnuyts/kv-store
[INFO] tweaked toml for git repo https://github.com/Michielnuyts/kv-store written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/Michielnuyts/kv-store on toolchain 1.95.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.95.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/Michielnuyts/kv-store 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" "+1.95.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded figment v0.10.8
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[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 188067ca098ac3c9938ca999165c6f4985415fb0469c0ff38eaf5361256d9acb
[INFO] running `Command { std: "docker" "start" "-a" "188067ca098ac3c9938ca999165c6f4985415fb0469c0ff38eaf5361256d9acb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "188067ca098ac3c9938ca999165c6f4985415fb0469c0ff38eaf5361256d9acb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "188067ca098ac3c9938ca999165c6f4985415fb0469c0ff38eaf5361256d9acb", kill_on_drop: false }`
[INFO] [stdout] 188067ca098ac3c9938ca999165c6f4985415fb0469c0ff38eaf5361256d9acb
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 39ab2414d1c7dad1765db5121202ba3a15276c7904deebc335cf02458062a676
[INFO] running `Command { std: "docker" "start" "-a" "39ab2414d1c7dad1765db5121202ba3a15276c7904deebc335cf02458062a676", kill_on_drop: false }`
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[INFO] [stderr]    Compiling devise_codegen v0.3.1
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[INFO] [stderr]     Checking kv-store v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: method `delete` is never used
[INFO] [stdout]   --> src/store.rs:23:9
[INFO] [stdout]    |
[INFO] [stdout]  7 | impl Store {
[INFO] [stdout]    | ---------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 23 |     pub fn delete(&mut self, key: String) -> Option<String> {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `delete` is never used
[INFO] [stdout]   --> src/store.rs:23:9
[INFO] [stdout]    |
[INFO] [stdout]  7 | impl Store {
[INFO] [stdout]    | ---------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 23 |     pub fn delete(&mut self, key: String) -> Option<String> {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 48.62s
[INFO] running `Command { std: "docker" "inspect" "39ab2414d1c7dad1765db5121202ba3a15276c7904deebc335cf02458062a676", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "39ab2414d1c7dad1765db5121202ba3a15276c7904deebc335cf02458062a676", kill_on_drop: false }`
[INFO] [stdout] 39ab2414d1c7dad1765db5121202ba3a15276c7904deebc335cf02458062a676
