[INFO] cloning repository https://github.com/azazak123/mandelbrot_set
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/azazak123/mandelbrot_set" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fazazak123%2Fmandelbrot_set", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fazazak123%2Fmandelbrot_set'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 23e5443de079d1c6b94cb06d582277e6b88f8fd1
[INFO] checking azazak123/mandelbrot_set against master#936f2600b6c903b04387f74ed5cbce88bb06d243 for pr-91141
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fazazak123%2Fmandelbrot_set" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/azazak123/mandelbrot_set on toolchain 936f2600b6c903b04387f74ed5cbce88bb06d243
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/azazak123/mandelbrot_set
[INFO] finished tweaking git repo https://github.com/azazak123/mandelbrot_set
[INFO] tweaked toml for git repo https://github.com/azazak123/mandelbrot_set written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/azazak123/mandelbrot_set already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 744d72366eb654e159c4961aa2ee7f4c09d7ca51f0b82f812b80504a53e568a1
[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" "744d72366eb654e159c4961aa2ee7f4c09d7ca51f0b82f812b80504a53e568a1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "744d72366eb654e159c4961aa2ee7f4c09d7ca51f0b82f812b80504a53e568a1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "744d72366eb654e159c4961aa2ee7f4c09d7ca51f0b82f812b80504a53e568a1", kill_on_drop: false }`
[INFO] [stdout] 744d72366eb654e159c4961aa2ee7f4c09d7ca51f0b82f812b80504a53e568a1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 430c85177bf73e38532624281f9476f1afb831f3f6201aa408db67d1011be47f
[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" "430c85177bf73e38532624281f9476f1afb831f3f6201aa408db67d1011be47f", kill_on_drop: false }`
[INFO] [stderr]    Compiling pkg-config v0.3.20
[INFO] [stderr]    Compiling libc v0.2.102
[INFO] [stderr]    Compiling ucd-trie v0.1.3
[INFO] [stderr]    Compiling crc32fast v1.2.1
[INFO] [stderr]     Checking adler32 v1.2.0
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]     Checking color_quant v1.1.0
[INFO] [stderr]     Checking same-file v1.0.6
[INFO] [stderr]     Checking bytemuck v1.7.2
[INFO] [stderr]     Checking plotters-backend v0.3.2
[INFO] [stderr]     Checking jpeg-decoder v0.1.22
[INFO] [stderr]     Checking ttf-parser v0.12.3
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling num-rational v0.3.2
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]    Compiling cmake v0.1.45
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]     Checking walkdir v2.3.2
[INFO] [stderr]     Checking miniz_oxide v0.3.7
[INFO] [stderr]     Checking gif v0.11.2
[INFO] [stderr]    Compiling pest v2.1.3
[INFO] [stderr]     Checking plotters-svg v0.3.1
[INFO] [stderr]     Checking deflate v0.8.6
[INFO] [stderr]    Compiling freetype-sys v0.13.1
[INFO] [stderr]    Compiling expat-sys v2.1.6
[INFO] [stderr]    Compiling servo-fontconfig-sys v5.1.0
[INFO] [stderr]     Checking png v0.16.8
[INFO] [stderr]     Checking dirs-sys-next v0.1.2
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]     Checking dirs-next v2.0.0
[INFO] [stderr]    Compiling semver-parser v0.10.2
[INFO] [stderr]     Checking freetype v0.7.0
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking servo-fontconfig v0.5.1
[INFO] [stderr]    Compiling semver v0.11.0
[INFO] [stderr]     Checking image v0.23.14
[INFO] [stderr]    Compiling rustc_version v0.3.3
[INFO] [stderr]    Compiling pathfinder_simd v0.5.1
[INFO] [stderr]     Checking pathfinder_geometry v0.5.1
[INFO] [stderr]     Checking plotters-bitmap v0.3.1
[INFO] [stderr]     Checking font-kit v0.10.1
[INFO] [stderr]     Checking plotters v0.3.1
[INFO] [stderr]     Checking mandelbrot_set v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 32.97s
[INFO] running `Command { std: "docker" "inspect" "430c85177bf73e38532624281f9476f1afb831f3f6201aa408db67d1011be47f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "430c85177bf73e38532624281f9476f1afb831f3f6201aa408db67d1011be47f", kill_on_drop: false }`
[INFO] [stdout] 430c85177bf73e38532624281f9476f1afb831f3f6201aa408db67d1011be47f