[INFO] cloning repository https://github.com/NiklasBjornestal/mandelbrot-server-rust
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/NiklasBjornestal/mandelbrot-server-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNiklasBjornestal%2Fmandelbrot-server-rust"`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNiklasBjornestal%2Fmandelbrot-server-rust'...
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 478a1eaee7404d00cb9d5b8dbad485e0f6c2da93
[INFO] checking NiklasBjornestal/mandelbrot-server-rust against master#45d050cde277b22a755847338f2acc2c7b834141 for pr-71393
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNiklasBjornestal%2Fmandelbrot-server-rust" "/workspace/builds/worker-14/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-14/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/NiklasBjornestal/mandelbrot-server-rust on toolchain 45d050cde277b22a755847338f2acc2c7b834141
[INFO] running `"/workspace/cargo-home/bin/cargo" "+45d050cde277b22a755847338f2acc2c7b834141" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/NiklasBjornestal/mandelbrot-server-rust
[INFO] finished tweaking git repo https://github.com/NiklasBjornestal/mandelbrot-server-rust
[INFO] tweaked toml for git repo https://github.com/NiklasBjornestal/mandelbrot-server-rust written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] crate git repo https://github.com/NiklasBjornestal/mandelbrot-server-rust already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+45d050cde277b22a755847338f2acc2c7b834141" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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=forbid" "-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" "/opt/rustwide/cargo-home/bin/cargo" "+45d050cde277b22a755847338f2acc2c7b834141" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] cb8763be88e0325707b7c23817ba49366345eb6d554b6cbcecda1977cdd6446a
[INFO] running `"docker" "start" "-a" "cb8763be88e0325707b7c23817ba49366345eb6d554b6cbcecda1977cdd6446a"`
[INFO] [stderr]    Compiling libc v0.2.62
[INFO] [stderr]     Checking smallvec v0.6.10
[INFO] [stderr]     Checking matches v0.1.8
[INFO] [stderr]    Compiling cfg-if v0.1.9
[INFO] [stderr]    Compiling bitflags v1.1.0
[INFO] [stderr]     Checking toml v0.4.10
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]     Checking unicode-bidi v0.3.4
[INFO] [stderr]    Compiling devise_core v0.2.0
[INFO] [stderr]     Checking unicode-normalization v0.1.8
[INFO] [stderr]     Checking log v0.3.9
[INFO] [stderr]     Checking mime v0.2.6
[INFO] [stderr]    Compiling time v0.1.42
[INFO] [stderr]    Compiling num_cpus v1.10.1
[INFO] [stderr]    Compiling ring v0.13.5
[INFO] [stderr]     Checking atty v0.2.13
[INFO] [stderr]    Compiling hyper v0.10.16
[INFO] [stderr]     Checking idna v0.1.5
[INFO] [stderr]    Compiling devise_codegen v0.2.0
[INFO] [stderr]    Compiling cookie v0.11.1
[INFO] [stderr]     Checking url v1.7.2
[INFO] [stderr]    Compiling devise v0.2.0
[INFO] [stderr]    Compiling rocket_http v0.4.2
[INFO] [stderr]    Compiling rocket_codegen v0.4.2
[INFO] [stderr]     Checking rocket v0.4.2
[INFO] [stderr]     Checking mandelbrot_server v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 38.68s
[INFO] running `"docker" "inspect" "cb8763be88e0325707b7c23817ba49366345eb6d554b6cbcecda1977cdd6446a"`
[INFO] running `"docker" "rm" "-f" "cb8763be88e0325707b7c23817ba49366345eb6d554b6cbcecda1977cdd6446a"`
[INFO] [stdout] cb8763be88e0325707b7c23817ba49366345eb6d554b6cbcecda1977cdd6446a