[INFO] updating cached repository https://github.com/nnmm/buddhabrot
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune", kill_on_drop: false }`
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 52f27a2c2438d0ed9be0dd3a52f75830e1997220
[INFO] testing nnmm/buddhabrot against beta-2020-07-24 for beta-1.46-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnnmm%2Fbuddhabrot" "/workspace/builds/worker-3/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/nnmm/buddhabrot on toolchain beta-2020-07-24
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/nnmm/buddhabrot
[INFO] finished tweaking git repo https://github.com/nnmm/buddhabrot
[INFO] tweaked toml for git repo https://github.com/nnmm/buddhabrot written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/nnmm/buddhabrot already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a8e4d636aeb2cd733b7cf4d027b03610b125ab99b1bd0ea474da6cad88442d9a
[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" "a8e4d636aeb2cd733b7cf4d027b03610b125ab99b1bd0ea474da6cad88442d9a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a8e4d636aeb2cd733b7cf4d027b03610b125ab99b1bd0ea474da6cad88442d9a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a8e4d636aeb2cd733b7cf4d027b03610b125ab99b1bd0ea474da6cad88442d9a", kill_on_drop: false }`
[INFO] [stdout] a8e4d636aeb2cd733b7cf4d027b03610b125ab99b1bd0ea474da6cad88442d9a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] db7cca8f17fd228e7c4512be278d0139e2908e3aa82551afad5a43d531f75561
[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" "db7cca8f17fd228e7c4512be278d0139e2908e3aa82551afad5a43d531f75561", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.11
[INFO] [stderr]    Compiling siphasher v0.3.1
[INFO] [stderr]    Compiling ndarray v0.13.0
[INFO] [stderr]    Compiling rawpointer v0.2.1
[INFO] [stderr]    Compiling num-integer v0.1.41
[INFO] [stderr]    Compiling num-bigint v0.2.3
[INFO] [stderr]    Compiling num-complex v0.2.3
[INFO] [stderr]    Compiling num-rational v0.2.2
[INFO] [stderr]    Compiling itertools v0.8.2
[INFO] [stderr]    Compiling getrandom v0.1.13
[INFO] [stderr]    Compiling approx v0.3.2
[INFO] [stderr]    Compiling png v0.15.2
[INFO] [stderr]    Compiling matrixmultiply v0.2.3
[INFO] [stderr]    Compiling phf_shared v0.8.0
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling rand_pcg v0.2.1
[INFO] [stderr]    Compiling rand_chacha v0.2.1
[INFO] [stderr]    Compiling phf v0.8.0
[INFO] [stderr]    Compiling rand v0.7.2
[INFO] [stderr]    Compiling num-iter v0.1.39
[INFO] [stderr]    Compiling phf_generator v0.8.0
[INFO] [stderr]    Compiling phf_codegen v0.8.0
[INFO] [stderr]    Compiling palette v0.5.0
[INFO] [stderr]    Compiling serde_derive v1.0.104
[INFO] [stderr]    Compiling palette_derive v0.5.0
[INFO] [stderr]    Compiling serde v1.0.104
[INFO] [stderr]    Compiling bincode v1.2.1
[INFO] [stderr]    Compiling num v0.2.0
[INFO] [stderr]    Compiling image v0.22.3
[INFO] [stderr]    Compiling buddhabrot v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `g`
[INFO] [stdout]    --> src/main.rs:206:63
[INFO] [stdout]     |
[INFO] [stdout] 206 |         azip!((mut pix in buf.genrows_mut(), &r in &density, &g in &colorness) {
[INFO] [stdout]     |                                                               ^ help: if this is intentional, prefix it with an underscore: `_g`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 18s
[INFO] running `Command { std: "docker" "inspect" "db7cca8f17fd228e7c4512be278d0139e2908e3aa82551afad5a43d531f75561", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "db7cca8f17fd228e7c4512be278d0139e2908e3aa82551afad5a43d531f75561", kill_on_drop: false }`
[INFO] [stdout] db7cca8f17fd228e7c4512be278d0139e2908e3aa82551afad5a43d531f75561
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 58d1fc39e0e3187734a602ea9dfd26bf777ae83c686612a0bcbd21c7c3076a4e
[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" "58d1fc39e0e3187734a602ea9dfd26bf777ae83c686612a0bcbd21c7c3076a4e", kill_on_drop: false }`
[INFO] [stderr]    Compiling buddhabrot v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `g`
[INFO] [stdout]    --> src/main.rs:206:63
[INFO] [stdout]     |
[INFO] [stdout] 206 |         azip!((mut pix in buf.genrows_mut(), &r in &density, &g in &colorness) {
[INFO] [stdout]     |                                                               ^ help: if this is intentional, prefix it with an underscore: `_g`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` 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 1.79s
[INFO] running `Command { std: "docker" "inspect" "58d1fc39e0e3187734a602ea9dfd26bf777ae83c686612a0bcbd21c7c3076a4e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "58d1fc39e0e3187734a602ea9dfd26bf777ae83c686612a0bcbd21c7c3076a4e", kill_on_drop: false }`
[INFO] [stdout] 58d1fc39e0e3187734a602ea9dfd26bf777ae83c686612a0bcbd21c7c3076a4e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] f6ee414c814c8e52b629c0f18e9c1f5aabb0fff4eb368c00f962cb879ecf9fe9
[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" "f6ee414c814c8e52b629c0f18e9c1f5aabb0fff4eb368c00f962cb879ecf9fe9", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr] warning: unused variable: `g`
[INFO] [stdout] running 0 tests
[INFO] [stderr]    --> src/main.rs:206:63
[INFO] [stdout] 
[INFO] [stderr]     |
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stderr] 206 |         azip!((mut pix in buf.genrows_mut(), &r in &density, &g in &colorness) {
[INFO] [stdout] 
[INFO] [stderr]     |                                                               ^ help: if this is intentional, prefix it with an underscore: `_g`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.30s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/buddhabrot-161f465a434d1e6a
[INFO] running `Command { std: "docker" "inspect" "f6ee414c814c8e52b629c0f18e9c1f5aabb0fff4eb368c00f962cb879ecf9fe9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f6ee414c814c8e52b629c0f18e9c1f5aabb0fff4eb368c00f962cb879ecf9fe9", kill_on_drop: false }`
[INFO] [stdout] f6ee414c814c8e52b629c0f18e9c1f5aabb0fff4eb368c00f962cb879ecf9fe9