[INFO] cloning repository https://github.com/hamzamuric/Dumb-Circles
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/hamzamuric/Dumb-Circles" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhamzamuric%2FDumb-Circles", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhamzamuric%2FDumb-Circles'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 74da37b08e3d24989d0b4d9b385c4f8fd37b4a48
[INFO] checking hamzamuric/Dumb-Circles against master#0599f3403366d9c57f0625e6de3af214b5042a90 for pr-87710
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhamzamuric%2FDumb-Circles" "/workspace/builds/worker-10/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-10/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/hamzamuric/Dumb-Circles on toolchain 0599f3403366d9c57f0625e6de3af214b5042a90
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0599f3403366d9c57f0625e6de3af214b5042a90" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/hamzamuric/Dumb-Circles
[INFO] finished tweaking git repo https://github.com/hamzamuric/Dumb-Circles
[INFO] tweaked toml for git repo https://github.com/hamzamuric/Dumb-Circles written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] crate git repo https://github.com/hamzamuric/Dumb-Circles already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0599f3403366d9c57f0625e6de3af214b5042a90" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+0599f3403366d9c57f0625e6de3af214b5042a90" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 903a7466e062d9cef7e4ebcadb37a4969548d4d893b2f9643376a119b5bd659c
[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" "903a7466e062d9cef7e4ebcadb37a4969548d4d893b2f9643376a119b5bd659c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "903a7466e062d9cef7e4ebcadb37a4969548d4d893b2f9643376a119b5bd659c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "903a7466e062d9cef7e4ebcadb37a4969548d4d893b2f9643376a119b5bd659c", kill_on_drop: false }`
[INFO] [stdout] 903a7466e062d9cef7e4ebcadb37a4969548d4d893b2f9643376a119b5bd659c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+0599f3403366d9c57f0625e6de3af214b5042a90" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7072ac68087603363903eb62c746c9e843df9d62ad53877eef8b8ad57b976448
[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" "7072ac68087603363903eb62c746c9e843df9d62ad53877eef8b8ad57b976448", kill_on_drop: false }`
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking matches v0.1.8
[INFO] [stderr]     Checking fake-simd v0.1.2
[INFO] [stderr]     Checking percent-encoding v2.1.0
[INFO] [stderr]     Checking bytes v0.4.12
[INFO] [stderr]     Checking block-buffer v0.7.3
[INFO] [stderr]     Checking getrandom v0.1.14
[INFO] [stderr]     Checking log v0.4.8
[INFO] [stderr]     Checking net2 v0.2.33
[INFO] [stderr]     Checking unicode-bidi v0.3.4
[INFO] [stderr]     Checking sha-1 v0.8.2
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking mio v0.6.21
[INFO] [stderr]     Checking idna v0.2.0
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking mio-extras v2.0.6
[INFO] [stderr]     Checking url v2.1.1
[INFO] [stderr]     Checking ws v0.9.1
[INFO] [stderr]     Checking igrica v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10.78s
[INFO] running `Command { std: "docker" "inspect" "7072ac68087603363903eb62c746c9e843df9d62ad53877eef8b8ad57b976448", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7072ac68087603363903eb62c746c9e843df9d62ad53877eef8b8ad57b976448", kill_on_drop: false }`
[INFO] [stdout] 7072ac68087603363903eb62c746c9e843df9d62ad53877eef8b8ad57b976448