[INFO] cloning repository https://github.com/christiankuhl/nebulabrot
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/christiankuhl/nebulabrot" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchristiankuhl%2Fnebulabrot", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchristiankuhl%2Fnebulabrot'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5f1f635faac5f4bed3deb8eea6ed149350c83bec
[INFO] checking christiankuhl/nebulabrot against beta for pr-78714
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchristiankuhl%2Fnebulabrot" "/workspace/builds/worker-1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/christiankuhl/nebulabrot on toolchain beta
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/christiankuhl/nebulabrot
[INFO] finished tweaking git repo https://github.com/christiankuhl/nebulabrot
[INFO] tweaked toml for git repo https://github.com/christiankuhl/nebulabrot written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/christiankuhl/nebulabrot already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "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-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 29f2697f92b02ea839c23bd3c7b1762187d1d223cba35f327318381f120258d2
[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" "29f2697f92b02ea839c23bd3c7b1762187d1d223cba35f327318381f120258d2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "29f2697f92b02ea839c23bd3c7b1762187d1d223cba35f327318381f120258d2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "29f2697f92b02ea839c23bd3c7b1762187d1d223cba35f327318381f120258d2", kill_on_drop: false }`
[INFO] [stdout] 29f2697f92b02ea839c23bd3c7b1762187d1d223cba35f327318381f120258d2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "check" "--frozen" "--all" "--all-targets" "--message-format=json", 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] 6be73d0a390c275e93e0c7902d081efe11e4545f2646af11f2364818c7ed48ef
[INFO] running `Command { std: "docker" "start" "-a" "6be73d0a390c275e93e0c7902d081efe11e4545f2646af11f2364818c7ed48ef", kill_on_drop: false }`
[INFO] [stderr]    Compiling arrayvec v0.4.11
[INFO] [stderr]    Compiling bitflags v1.1.0
[INFO] [stderr]     Checking unicode-width v0.1.6
[INFO] [stderr]     Checking regex-syntax v0.6.12
[INFO] [stderr]     Checking crossbeam-utils v0.6.6
[INFO] [stderr]    Compiling num-rational v0.2.2
[INFO] [stderr]     Checking c2-chacha v0.2.2
[INFO] [stderr]    Compiling getrandom v0.1.12
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking clicolors-control v1.0.1
[INFO] [stderr]     Checking termios v0.3.1
[INFO] [stderr]     Checking atty v0.2.13
[INFO] [stderr]     Checking crc32fast v1.2.0
[INFO] [stderr]     Checking num-complex v0.1.43
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_chacha v0.2.1
[INFO] [stderr]     Checking png v0.15.0
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]     Checking crossbeam-queue v0.1.2
[INFO] [stderr]     Checking rand v0.7.2
[INFO] [stderr]     Checking crossbeam-epoch v0.7.2
[INFO] [stderr]     Checking num-bigint v0.1.44
[INFO] [stderr]     Checking crossbeam-deque v0.7.1
[INFO] [stderr]     Checking rayon-core v1.6.0
[INFO] [stderr]     Checking regex v1.3.1
[INFO] [stderr]     Checking rayon v1.2.0
[INFO] [stderr]     Checking num-rational v0.1.42
[INFO] [stderr]     Checking console v0.9.0
[INFO] [stderr]     Checking num v0.1.42
[INFO] [stderr]     Checking indicatif v0.12.0
[INFO] [stderr]     Checking jpeg-decoder v0.1.16
[INFO] [stderr]     Checking image v0.22.2
[INFO] [stderr]     Checking nebulabrot v1.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 20.58s
[INFO] running `Command { std: "docker" "inspect" "6be73d0a390c275e93e0c7902d081efe11e4545f2646af11f2364818c7ed48ef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6be73d0a390c275e93e0c7902d081efe11e4545f2646af11f2364818c7ed48ef", kill_on_drop: false }`
[INFO] [stdout] 6be73d0a390c275e93e0c7902d081efe11e4545f2646af11f2364818c7ed48ef