[INFO] cloning repository https://github.com/Jekahome/tz_rust_version
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Jekahome/tz_rust_version" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJekahome%2Ftz_rust_version", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJekahome%2Ftz_rust_version'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8b256d534906a53b3cbfde9034023378f42293de
[INFO] checking Jekahome/tz_rust_version against master#0a8629bff642c3c3b84bb644c0099194f063b627 for pr-86231
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJekahome%2Ftz_rust_version" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Jekahome/tz_rust_version on toolchain 0a8629bff642c3c3b84bb644c0099194f063b627
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0a8629bff642c3c3b84bb644c0099194f063b627" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Jekahome/tz_rust_version
[INFO] finished tweaking git repo https://github.com/Jekahome/tz_rust_version
[INFO] tweaked toml for git repo https://github.com/Jekahome/tz_rust_version written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/Jekahome/tz_rust_version already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0a8629bff642c3c3b84bb644c0099194f063b627" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+0a8629bff642c3c3b84bb644c0099194f063b627" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1820baba9ef3068ed070ae1faec3603f8cf60b931c16a6d94789ed8f2fd1dccf
[INFO] running `Command { std: "docker" "start" "-a" "1820baba9ef3068ed070ae1faec3603f8cf60b931c16a6d94789ed8f2fd1dccf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1820baba9ef3068ed070ae1faec3603f8cf60b931c16a6d94789ed8f2fd1dccf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1820baba9ef3068ed070ae1faec3603f8cf60b931c16a6d94789ed8f2fd1dccf", kill_on_drop: false }`
[INFO] [stdout] 1820baba9ef3068ed070ae1faec3603f8cf60b931c16a6d94789ed8f2fd1dccf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+0a8629bff642c3c3b84bb644c0099194f063b627" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8a6ea9e7408a272a4c6615b91eba15892ef1bc6ab36f90f2a8d4d092d7a1be7e
[INFO] running `Command { std: "docker" "start" "-a" "8a6ea9e7408a272a4c6615b91eba15892ef1bc6ab36f90f2a8d4d092d7a1be7e", kill_on_drop: false }`
[INFO] [stderr]     Checking tz v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated function is never used: `prune`
[INFO] [stdout]   --> src/main.rs:69:8
[INFO] [stdout]    |
[INFO] [stdout] 69 |     fn prune(&mut self){
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get`
[INFO] [stdout]    --> src/main.rs:129:8
[INFO] [stdout]     |
[INFO] [stdout] 129 |     fn get(&mut self,key:K)->Option<&V>{
[INFO] [stdout]     |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.28s
[INFO] running `Command { std: "docker" "inspect" "8a6ea9e7408a272a4c6615b91eba15892ef1bc6ab36f90f2a8d4d092d7a1be7e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8a6ea9e7408a272a4c6615b91eba15892ef1bc6ab36f90f2a8d4d092d7a1be7e", kill_on_drop: false }`
[INFO] [stdout] 8a6ea9e7408a272a4c6615b91eba15892ef1bc6ab36f90f2a8d4d092d7a1be7e