[INFO] cloning repository https://github.com/JonathanKoerber/mandelbrot [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/JonathanKoerber/mandelbrot" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJonathanKoerber%2Fmandelbrot", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJonathanKoerber%2Fmandelbrot'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] bff3204c4a99e2a5016a28645fc741c875729d20 [INFO] checking JonathanKoerber/mandelbrot against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJonathanKoerber%2Fmandelbrot" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/JonathanKoerber/mandelbrot on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/JonathanKoerber/mandelbrot [INFO] finished tweaking git repo https://github.com/JonathanKoerber/mandelbrot [INFO] tweaked toml for git repo https://github.com/JonathanKoerber/mandelbrot written to /workspace/builds/worker-0-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/JonathanKoerber/mandelbrot 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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded inflate v0.2.0 [INFO] [stderr] Downloaded png v0.7.0 [INFO] [stderr] Downloaded bitflags v0.7.0 [INFO] [stderr] Downloaded image v0.13.0 [INFO] [stderr] Downloaded num v0.4.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 246133d78db333c18fbe12340d47539d4253b9c6d0eb1b5c1d48353836a6c3b3 [INFO] running `Command { std: "docker" "start" "-a" "246133d78db333c18fbe12340d47539d4253b9c6d0eb1b5c1d48353836a6c3b3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "246133d78db333c18fbe12340d47539d4253b9c6d0eb1b5c1d48353836a6c3b3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "246133d78db333c18fbe12340d47539d4253b9c6d0eb1b5c1d48353836a6c3b3", kill_on_drop: false }` [INFO] [stdout] 246133d78db333c18fbe12340d47539d4253b9c6d0eb1b5c1d48353836a6c3b3 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 2e85f3383191ca964df263daa282964ccf130a0d5fbbf027a28331a92681b753 [INFO] running `Command { std: "docker" "start" "-a" "2e85f3383191ca964df263daa282964ccf130a0d5fbbf027a28331a92681b753", kill_on_drop: false }` [INFO] [stderr] Compiling num-traits v0.2.15 [INFO] [stderr] Compiling num-integer v0.1.45 [INFO] [stderr] Compiling libc v0.2.146 [INFO] [stderr] Checking crossbeam-channel v0.5.8 [INFO] [stderr] Compiling num-iter v0.1.43 [INFO] [stderr] Checking crossbeam-epoch v0.9.15 [INFO] [stderr] Compiling rayon-core v1.11.0 [INFO] [stderr] Compiling num-bigint v0.4.3 [INFO] [stderr] Checking crossbeam-deque v0.8.3 [INFO] [stderr] Compiling num-rational v0.4.1 [INFO] [stderr] Compiling crossbeam-queue v0.3.8 [INFO] [stderr] Checking either v1.8.1 [INFO] [stderr] Checking byteorder v1.4.3 [INFO] [stderr] Checking adler32 v1.2.0 [INFO] [stderr] Checking bitflags v0.7.0 [INFO] [stderr] Checking inflate v0.2.0 [INFO] [stderr] Checking lzw v0.10.0 [INFO] [stderr] Checking deflate v0.7.20 [INFO] [stderr] Checking scoped_threadpool v0.1.9 [INFO] [stderr] Checking gif v0.9.2 [INFO] [stderr] Checking crossbeam v0.8.2 [INFO] [stderr] Checking num_cpus v1.15.0 [INFO] [stderr] Checking num-traits v0.1.43 [INFO] [stderr] Checking num-complex v0.4.3 [INFO] [stderr] Checking enum_primitive v0.1.1 [INFO] [stderr] Checking num-rational v0.1.42 [INFO] [stderr] Checking png v0.7.0 [INFO] [stderr] Checking rayon v1.7.0 [INFO] [stderr] Checking num v0.4.0 [INFO] [stderr] Checking jpeg-decoder v0.1.22 [INFO] [stderr] Checking image v0.13.0 [INFO] [stderr] Checking mandelbrot v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: function `complex_square_add_loop` is never used [INFO] [stdout] --> src/main.rs:5:4 [INFO] [stdout] | [INFO] [stdout] 5 | fn complex_square_add_loop(c: Complex) { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `complex_square_add_loop` is never used [INFO] [stdout] --> src/main.rs:5:4 [INFO] [stdout] | [INFO] [stdout] 5 | fn complex_square_add_loop(c: Complex) { [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] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 13.26s [INFO] running `Command { std: "docker" "inspect" "2e85f3383191ca964df263daa282964ccf130a0d5fbbf027a28331a92681b753", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2e85f3383191ca964df263daa282964ccf130a0d5fbbf027a28331a92681b753", kill_on_drop: false }` [INFO] [stdout] 2e85f3383191ca964df263daa282964ccf130a0d5fbbf027a28331a92681b753 [INFO] checking JonathanKoerber/mandelbrot against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJonathanKoerber%2Fmandelbrot" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/JonathanKoerber/mandelbrot on toolchain 645bb72776a6a56a1a8f52631a44bd082b2ba509 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/JonathanKoerber/mandelbrot [INFO] finished tweaking git repo https://github.com/JonathanKoerber/mandelbrot [INFO] tweaked toml for git repo https://github.com/JonathanKoerber/mandelbrot written to /workspace/builds/worker-0-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/JonathanKoerber/mandelbrot 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" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 80fa2c986579209fc185a42c94f4901c964c964ba7de384e0435f08be818608d [INFO] running `Command { std: "docker" "start" "-a" "80fa2c986579209fc185a42c94f4901c964c964ba7de384e0435f08be818608d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "80fa2c986579209fc185a42c94f4901c964c964ba7de384e0435f08be818608d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "80fa2c986579209fc185a42c94f4901c964c964ba7de384e0435f08be818608d", kill_on_drop: false }` [INFO] [stdout] 80fa2c986579209fc185a42c94f4901c964c964ba7de384e0435f08be818608d [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] b4af98210b4f195d8d4c860a7ab55bdb2939d0eac30d3364c07d7efc60608a74 [INFO] running `Command { std: "docker" "start" "-a" "b4af98210b4f195d8d4c860a7ab55bdb2939d0eac30d3364c07d7efc60608a74", kill_on_drop: false }` [INFO] [stderr] Compiling num-traits v0.2.15 [INFO] [stderr] Compiling num-integer v0.1.45 [INFO] [stderr] Compiling libc v0.2.146 [INFO] [stderr] Compiling num-iter v0.1.43 [INFO] [stderr] Compiling rayon-core v1.11.0 [INFO] [stderr] Checking crossbeam-channel v0.5.8 [INFO] [stderr] Compiling num-bigint v0.4.3 [INFO] [stderr] Checking crossbeam-epoch v0.9.15 [INFO] [stderr] Checking crossbeam-deque v0.8.3 [INFO] [stderr] Compiling num-rational v0.4.1 [INFO] [stderr] Checking byteorder v1.4.3 [INFO] [stderr] Checking either v1.8.1 [INFO] [stderr] Compiling crossbeam-queue v0.3.8 [INFO] [stderr] Checking adler32 v1.2.0 [INFO] [stderr] Checking bitflags v0.7.0 [INFO] [stderr] Checking inflate v0.2.0 [INFO] [stderr] Checking lzw v0.10.0 [INFO] [stderr] Checking deflate v0.7.20 [INFO] [stderr] Checking scoped_threadpool v0.1.9 [INFO] [stderr] Checking gif v0.9.2 [INFO] [stderr] Checking crossbeam v0.8.2 [INFO] [stderr] Checking num_cpus v1.15.0 [INFO] [stderr] Checking num-traits v0.1.43 [INFO] [stderr] Checking num-complex v0.4.3 [INFO] [stderr] Checking enum_primitive v0.1.1 [INFO] [stderr] Checking num-rational v0.1.42 [INFO] [stderr] Checking png v0.7.0 [INFO] [stderr] Checking rayon v1.7.0 [INFO] [stderr] Checking num v0.4.0 [INFO] [stderr] Checking jpeg-decoder v0.1.22 [INFO] [stderr] Checking image v0.13.0 [INFO] [stderr] Checking mandelbrot v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: function `complex_square_add_loop` is never used [INFO] [stdout] --> src/main.rs:5:4 [INFO] [stdout] | [INFO] [stdout] 5 | fn complex_square_add_loop(c: Complex) { [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] [stdout] warning: function `complex_square_add_loop` is never used [INFO] [stdout] --> src/main.rs:5:4 [INFO] [stdout] | [INFO] [stdout] 5 | fn complex_square_add_loop(c: Complex) { [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 `dev` profile [unoptimized + debuginfo] target(s) in 13.46s [INFO] running `Command { std: "docker" "inspect" "b4af98210b4f195d8d4c860a7ab55bdb2939d0eac30d3364c07d7efc60608a74", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b4af98210b4f195d8d4c860a7ab55bdb2939d0eac30d3364c07d7efc60608a74", kill_on_drop: false }` [INFO] [stdout] b4af98210b4f195d8d4c860a7ab55bdb2939d0eac30d3364c07d7efc60608a74