[INFO] cloning repository https://github.com/ZivxXxY/mandelbrot [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ZivxXxY/mandelbrot" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FZivxXxY%2Fmandelbrot", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FZivxXxY%2Fmandelbrot'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 67eaa51d0024acbca386ffa5e0bc16fd206d2cfb [INFO] checking ZivxXxY/mandelbrot against try#8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8 for pr-82565 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FZivxXxY%2Fmandelbrot" "/workspace/builds/worker-6/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/ZivxXxY/mandelbrot on toolchain 8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/ZivxXxY/mandelbrot [INFO] finished tweaking git repo https://github.com/ZivxXxY/mandelbrot [INFO] tweaked toml for git repo https://github.com/ZivxXxY/mandelbrot written to /workspace/builds/worker-6/source/Cargo.toml [INFO] crate git repo https://github.com/ZivxXxY/mandelbrot already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "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] f3d531d291e724668d39f982e7685fe2cadea7e3698a448c0577a49677c0e52c [INFO] running `Command { std: "docker" "start" "-a" "f3d531d291e724668d39f982e7685fe2cadea7e3698a448c0577a49677c0e52c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "f3d531d291e724668d39f982e7685fe2cadea7e3698a448c0577a49677c0e52c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f3d531d291e724668d39f982e7685fe2cadea7e3698a448c0577a49677c0e52c", kill_on_drop: false }` [INFO] [stdout] f3d531d291e724668d39f982e7685fe2cadea7e3698a448c0577a49677c0e52c [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 5423960ce87ece01625d4bdad853d69ea766503aa6839f336b443e284ea1d0d8 [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" "5423960ce87ece01625d4bdad853d69ea766503aa6839f336b443e284ea1d0d8", kill_on_drop: false }` [INFO] [stderr] Compiling syn v0.15.43 [INFO] [stderr] Compiling num-rational v0.2.2 [INFO] [stderr] Compiling num-complex v0.2.3 [INFO] [stderr] Checking inflate v0.4.5 [INFO] [stderr] Checking arrayvec v0.4.11 [INFO] [stderr] Compiling proc-macro2 v0.4.30 [INFO] [stderr] Checking crossbeam-channel v0.3.9 [INFO] [stderr] Checking crc32fast v1.2.0 [INFO] [stderr] Checking deflate v0.7.20 [INFO] [stderr] Checking num-bigint v0.2.2 [INFO] [stderr] Checking crossbeam-epoch v0.7.2 [INFO] [stderr] Checking png v0.15.0 [INFO] [stderr] Checking crossbeam-deque v0.6.3 [INFO] [stderr] Checking crossbeam-deque v0.7.1 [INFO] [stderr] Compiling quote v0.6.13 [INFO] [stderr] Checking rayon-core v1.5.0 [INFO] [stderr] Checking crossbeam v0.7.2 [INFO] [stderr] Checking rayon v1.1.0 [INFO] [stderr] Checking num v0.2.0 [INFO] [stderr] Checking jpeg-decoder v0.1.15 [INFO] [stderr] Compiling num-derive v0.2.5 [INFO] [stderr] Checking tiff v0.3.1 [INFO] [stderr] Checking image v0.22.1 [INFO] [stderr] Checking mandelbrot v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:136:9 [INFO] [stdout] | [INFO] [stdout] 136 | / crossbeam::scope(|spawner| { [INFO] [stdout] 137 | | for (i, band) in bands.into_iter().enumerate() { [INFO] [stdout] 138 | | let top = rows_per_band * i; [INFO] [stdout] 139 | | let height = band.len() / bounds.0; [INFO] [stdout] ... | [INFO] [stdout] 147 | | } [INFO] [stdout] 148 | | }); [INFO] [stdout] | |___________^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:136:9 [INFO] [stdout] | [INFO] [stdout] 136 | / crossbeam::scope(|spawner| { [INFO] [stdout] 137 | | for (i, band) in bands.into_iter().enumerate() { [INFO] [stdout] 138 | | let top = rows_per_band * i; [INFO] [stdout] 139 | | let height = band.len() / bounds.0; [INFO] [stdout] ... | [INFO] [stdout] 147 | | } [INFO] [stdout] 148 | | }); [INFO] [stdout] | |___________^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 31.81s [INFO] running `Command { std: "docker" "inspect" "5423960ce87ece01625d4bdad853d69ea766503aa6839f336b443e284ea1d0d8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5423960ce87ece01625d4bdad853d69ea766503aa6839f336b443e284ea1d0d8", kill_on_drop: false }` [INFO] [stdout] 5423960ce87ece01625d4bdad853d69ea766503aa6839f336b443e284ea1d0d8