[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 1.59.0 for beta-1.60-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmreboland%2FrustBasicsConcurrency" "/workspace/builds/worker-13/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-13/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/mreboland/rustBasicsConcurrency on toolchain 1.59.0 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "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-13/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: "/workspace/cargo-home/bin/cargo" "+1.59.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 9198d7d2b1e58f669171c486f79c9a9edc562df4e98d63ab728d6ec22cbff25f [INFO] running `Command { std: "docker" "start" "-a" "9198d7d2b1e58f669171c486f79c9a9edc562df4e98d63ab728d6ec22cbff25f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "9198d7d2b1e58f669171c486f79c9a9edc562df4e98d63ab728d6ec22cbff25f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9198d7d2b1e58f669171c486f79c9a9edc562df4e98d63ab728d6ec22cbff25f", kill_on_drop: false }` [INFO] [stdout] 9198d7d2b1e58f669171c486f79c9a9edc562df4e98d63ab728d6ec22cbff25f [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 8623fe2e5d61790c026d0b457fb51b1d59640e6635123faa8c97be2b2b918066 [INFO] running `Command { std: "docker" "start" "-a" "8623fe2e5d61790c026d0b457fb51b1d59640e6635123faa8c97be2b2b918066", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.94 [INFO] [stderr] Compiling rustc-serialize v0.3.24 [INFO] [stderr] Compiling num-traits v0.2.14 [INFO] [stderr] Compiling num-integer v0.1.44 [INFO] [stderr] Compiling rand v0.4.6 [INFO] [stderr] Compiling num-complex v0.1.43 [INFO] [stderr] Compiling num-bigint v0.1.44 [INFO] [stderr] Compiling num-iter v0.1.42 [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 is never used: `escape_time` [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 is never used: `parse_pair` [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 11.62s [INFO] running `Command { std: "docker" "inspect" "8623fe2e5d61790c026d0b457fb51b1d59640e6635123faa8c97be2b2b918066", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8623fe2e5d61790c026d0b457fb51b1d59640e6635123faa8c97be2b2b918066", kill_on_drop: false }` [INFO] [stdout] 8623fe2e5d61790c026d0b457fb51b1d59640e6635123faa8c97be2b2b918066 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 87bdebd372b0ef2ecd19d8d101aa9f2d83a3d903edccb197841df21a5ce2f3cf [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "87bdebd372b0ef2ecd19d8d101aa9f2d83a3d903edccb197841df21a5ce2f3cf", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling mandelbrot v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: function is never used: `escape_time` [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] [stderr] Finished test [unoptimized + debuginfo] target(s) in 1.84s [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "87bdebd372b0ef2ecd19d8d101aa9f2d83a3d903edccb197841df21a5ce2f3cf", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "87bdebd372b0ef2ecd19d8d101aa9f2d83a3d903edccb197841df21a5ce2f3cf", kill_on_drop: false }` [INFO] [stdout] 87bdebd372b0ef2ecd19d8d101aa9f2d83a3d903edccb197841df21a5ce2f3cf [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] a4a153cec81dec65deec341954249d046b197343e462f74d5940505719dab140 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "a4a153cec81dec65deec341954249d046b197343e462f74d5940505719dab140", kill_on_drop: false }` [INFO] [stderr] warning: function is never used: `escape_time` [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 0.05s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/mandelbrot-d0fefbe3b23ebf49) [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 0.01s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "a4a153cec81dec65deec341954249d046b197343e462f74d5940505719dab140", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a4a153cec81dec65deec341954249d046b197343e462f74d5940505719dab140", kill_on_drop: false }` [INFO] [stdout] a4a153cec81dec65deec341954249d046b197343e462f74d5940505719dab140