[INFO] cloning repository https://github.com/mreboland/rustBasicsConcurrency [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mreboland/rustBasicsConcurrency" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmreboland%2FrustBasicsConcurrency", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmreboland%2FrustBasicsConcurrency'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 9fa16121c40a80b9fea13f9b03604ed2119df227 [INFO] testing mreboland/rustBasicsConcurrency against 1.75.0 for beta-1.76-3 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmreboland%2FrustBasicsConcurrency" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/mreboland/rustBasicsConcurrency on toolchain 1.75.0 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/mreboland/rustBasicsConcurrency [INFO] finished tweaking git repo https://github.com/mreboland/rustBasicsConcurrency [INFO] tweaked toml for git repo https://github.com/mreboland/rustBasicsConcurrency written to /workspace/builds/worker-7-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/mreboland/rustBasicsConcurrency 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" "+1.75.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "+1.75.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 6f1fc0aa487aaa8a59c7dd08a8f5b63287e2260c47d456f0d832acbf601d4157 [INFO] running `Command { std: "docker" "start" "-a" "6f1fc0aa487aaa8a59c7dd08a8f5b63287e2260c47d456f0d832acbf601d4157", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "6f1fc0aa487aaa8a59c7dd08a8f5b63287e2260c47d456f0d832acbf601d4157", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6f1fc0aa487aaa8a59c7dd08a8f5b63287e2260c47d456f0d832acbf601d4157", kill_on_drop: false }` [INFO] [stdout] 6f1fc0aa487aaa8a59c7dd08a8f5b63287e2260c47d456f0d832acbf601d4157 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] d4d38df92ae0efcd54fecc19171b6b3ecd55af2d54d0c293982d5a8477d76eea [INFO] running `Command { std: "docker" "start" "-a" "d4d38df92ae0efcd54fecc19171b6b3ecd55af2d54d0c293982d5a8477d76eea", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.94 [INFO] [stderr] Compiling rand v0.4.6 [INFO] [stderr] Compiling num-bigint v0.1.44 [INFO] [stderr] Compiling num-rational v0.1.42 [INFO] [stderr] Compiling num v0.1.42 [INFO] [stderr] Compiling mandelbrot v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: function `escape_time` is never used [INFO] [stdout] --> src/main.rs:69:4 [INFO] [stdout] | [INFO] [stdout] 69 | fn escape_time(c: Complex, limit: u32) -> Option { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `parse_pair` is never used [INFO] [stdout] --> src/main.rs:102:4 [INFO] [stdout] | [INFO] [stdout] 102 | fn parse_pair(s: &str, separator:char) -> Option<(T, T)> { [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 3.25s [INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: rustc-serialize v0.3.24 [INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1` [INFO] running `Command { std: "docker" "inspect" "d4d38df92ae0efcd54fecc19171b6b3ecd55af2d54d0c293982d5a8477d76eea", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d4d38df92ae0efcd54fecc19171b6b3ecd55af2d54d0c293982d5a8477d76eea", kill_on_drop: false }` [INFO] [stdout] d4d38df92ae0efcd54fecc19171b6b3ecd55af2d54d0c293982d5a8477d76eea [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 06e696daea4887da9718d841888e475eba501a50c9fc001e1dc36d9fd14a6873 [INFO] running `Command { std: "docker" "start" "-a" "06e696daea4887da9718d841888e475eba501a50c9fc001e1dc36d9fd14a6873", kill_on_drop: false }` [INFO] [stderr] Compiling mandelbrot v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: function `escape_time` is never used [INFO] [stdout] --> src/main.rs:69:4 [INFO] [stdout] | [INFO] [stdout] 69 | fn escape_time(c: Complex, limit: u32) -> Option { [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 test [unoptimized + debuginfo] target(s) in 0.41s [INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: rustc-serialize v0.3.24 [INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1` [INFO] running `Command { std: "docker" "inspect" "06e696daea4887da9718d841888e475eba501a50c9fc001e1dc36d9fd14a6873", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "06e696daea4887da9718d841888e475eba501a50c9fc001e1dc36d9fd14a6873", kill_on_drop: false }` [INFO] [stdout] 06e696daea4887da9718d841888e475eba501a50c9fc001e1dc36d9fd14a6873 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] b0e00ae0b3a4544a698c9813c2a1196549c504d112cc93aedaa0d7ea62e6bf78 [INFO] running `Command { std: "docker" "start" "-a" "b0e00ae0b3a4544a698c9813c2a1196549c504d112cc93aedaa0d7ea62e6bf78", kill_on_drop: false }` [INFO] [stderr] warning: function `escape_time` is never used [INFO] [stderr] --> src/main.rs:69:4 [INFO] [stderr] | [INFO] [stderr] 69 | fn escape_time(c: Complex, limit: u32) -> Option { [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: `mandelbrot` (bin "mandelbrot" test) generated 1 warning [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.02s [INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: rustc-serialize v0.3.24 [INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1` [INFO] [stderr] Running unittests src/main.rs (/opt/rustwide/target/debug/deps/mandelbrot-8fcaff3876f270e7) [INFO] [stdout] [INFO] [stdout] running 1 test [INFO] [stdout] test test_parse_pair ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "b0e00ae0b3a4544a698c9813c2a1196549c504d112cc93aedaa0d7ea62e6bf78", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b0e00ae0b3a4544a698c9813c2a1196549c504d112cc93aedaa0d7ea62e6bf78", kill_on_drop: false }` [INFO] [stdout] b0e00ae0b3a4544a698c9813c2a1196549c504d112cc93aedaa0d7ea62e6bf78