[INFO] cloning repository https://github.com/estebanpablo89/rust_logs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/estebanpablo89/rust_logs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Festebanpablo89%2Frust_logs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Festebanpablo89%2Frust_logs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3d15ee2049bff1fa8fe1da293d597b3ce8cbd4fa
[INFO] testing estebanpablo89/rust_logs against 1.86.0 for beta-1.87-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Festebanpablo89%2Frust_logs" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/estebanpablo89/rust_logs on toolchain 1.86.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.86.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/estebanpablo89/rust_logs
[INFO] finished tweaking git repo https://github.com/estebanpablo89/rust_logs
[INFO] tweaked toml for git repo https://github.com/estebanpablo89/rust_logs written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/estebanpablo89/rust_logs 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" "+1.86.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+1.86.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bd7c5ca0df333378e9f5822cfbd430d6de5aacd41b645683aaa63e2f52a095ea
[INFO] running `Command { std: "docker" "start" "-a" "bd7c5ca0df333378e9f5822cfbd430d6de5aacd41b645683aaa63e2f52a095ea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bd7c5ca0df333378e9f5822cfbd430d6de5aacd41b645683aaa63e2f52a095ea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bd7c5ca0df333378e9f5822cfbd430d6de5aacd41b645683aaa63e2f52a095ea", kill_on_drop: false }`
[INFO] [stdout] bd7c5ca0df333378e9f5822cfbd430d6de5aacd41b645683aaa63e2f52a095ea
[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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+1.86.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ce3b3a79e86ec654b86feabc1ac12c4dce1ec6d0ba980b79be815a03901ff08d
[INFO] running `Command { std: "docker" "start" "-a" "ce3b3a79e86ec654b86feabc1ac12c4dce1ec6d0ba980b79be815a03901ff08d", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust_logs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function `validate_email` is never used
[INFO] [stdout]   --> src/main.rs:66:4
[INFO] [stdout]    |
[INFO] [stdout] 66 | fn validate_email(email: String) -> Result<(), Error> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `divide` is never used
[INFO] [stdout]   --> src/main.rs:75:4
[INFO] [stdout]    |
[INFO] [stdout] 75 | fn divide (a:f64, b:f64) -> Result<f64, Error > {
[INFO] [stdout]    |    ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.53s
[INFO] running `Command { std: "docker" "inspect" "ce3b3a79e86ec654b86feabc1ac12c4dce1ec6d0ba980b79be815a03901ff08d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ce3b3a79e86ec654b86feabc1ac12c4dce1ec6d0ba980b79be815a03901ff08d", kill_on_drop: false }`
[INFO] [stdout] ce3b3a79e86ec654b86feabc1ac12c4dce1ec6d0ba980b79be815a03901ff08d
[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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+1.86.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 06cd5c0a8a6e8eaf3f711c8d020a13074926b557c38d7d86c5a2c4e18bf70c96
[INFO] running `Command { std: "docker" "start" "-a" "06cd5c0a8a6e8eaf3f711c8d020a13074926b557c38d7d86c5a2c4e18bf70c96", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust_logs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function `validate_email` is never used
[INFO] [stdout]   --> src/main.rs:66:4
[INFO] [stdout]    |
[INFO] [stdout] 66 | fn validate_email(email: String) -> Result<(), Error> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `divide` is never used
[INFO] [stdout]   --> src/main.rs:75:4
[INFO] [stdout]    |
[INFO] [stdout] 75 | fn divide (a:f64, b:f64) -> Result<f64, Error > {
[INFO] [stdout]    |    ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.39s
[INFO] running `Command { std: "docker" "inspect" "06cd5c0a8a6e8eaf3f711c8d020a13074926b557c38d7d86c5a2c4e18bf70c96", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "06cd5c0a8a6e8eaf3f711c8d020a13074926b557c38d7d86c5a2c4e18bf70c96", kill_on_drop: false }`
[INFO] [stdout] 06cd5c0a8a6e8eaf3f711c8d020a13074926b557c38d7d86c5a2c4e18bf70c96
[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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+1.86.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 6b15e95b53aa5a90a808be75555448d90ca6d78978c266c29e947cafea0cd3a1
[INFO] running `Command { std: "docker" "start" "-a" "6b15e95b53aa5a90a808be75555448d90ca6d78978c266c29e947cafea0cd3a1", kill_on_drop: false }`
[INFO] [stderr] warning: function `validate_email` is never used
[INFO] [stderr]   --> src/main.rs:66:4
[INFO] [stderr]    |
[INFO] [stderr] 66 | fn validate_email(email: String) -> Result<(), Error> {
[INFO] [stderr]    |    ^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function `divide` is never used
[INFO] [stderr]   --> src/main.rs:75:4
[INFO] [stderr]    |
[INFO] [stderr] 75 | fn divide (a:f64, b:f64) -> Result<f64, Error > {
[INFO] [stderr]    |    ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `rust_logs` (bin "rust_logs" test) generated 2 warnings
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.00s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/rust_logs-dda4bda697304b64)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "6b15e95b53aa5a90a808be75555448d90ca6d78978c266c29e947cafea0cd3a1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6b15e95b53aa5a90a808be75555448d90ca6d78978c266c29e947cafea0cd3a1", kill_on_drop: false }`
[INFO] [stdout] 6b15e95b53aa5a90a808be75555448d90ca6d78978c266c29e947cafea0cd3a1