[INFO] cloning repository https://github.com/christiankuhl/mandelbrot-wasm
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/christiankuhl/mandelbrot-wasm" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchristiankuhl%2Fmandelbrot-wasm", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchristiankuhl%2Fmandelbrot-wasm'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 56d7bab590540f0fd382c8862274ff4271bd662a
[INFO] testing christiankuhl/mandelbrot-wasm against try#ecabaf78506b7a4668d42dc20268c086b93f0fad for pr-87041
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchristiankuhl%2Fmandelbrot-wasm" "/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/christiankuhl/mandelbrot-wasm on toolchain ecabaf78506b7a4668d42dc20268c086b93f0fad
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/christiankuhl/mandelbrot-wasm
[INFO] finished tweaking git repo https://github.com/christiankuhl/mandelbrot-wasm
[INFO] tweaked toml for git repo https://github.com/christiankuhl/mandelbrot-wasm written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/christiankuhl/mandelbrot-wasm already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded wasm-bindgen-test-macro v0.3.18
[INFO] [stderr]   Downloaded wasm-bindgen-test v0.3.18
[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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "metadata" "--no-deps" "--format-version=1", 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] 598bf536ba2e4184fe7586f67cb5da27a0fce46ce77bef5cb3e6b88ae1c8966d
[INFO] running `Command { std: "docker" "start" "-a" "598bf536ba2e4184fe7586f67cb5da27a0fce46ce77bef5cb3e6b88ae1c8966d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "598bf536ba2e4184fe7586f67cb5da27a0fce46ce77bef5cb3e6b88ae1c8966d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "598bf536ba2e4184fe7586f67cb5da27a0fce46ce77bef5cb3e6b88ae1c8966d", kill_on_drop: false }`
[INFO] [stdout] 598bf536ba2e4184fe7586f67cb5da27a0fce46ce77bef5cb3e6b88ae1c8966d
[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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bef04706ba9a74390db251719f3c7cb97406e758d5e1a083a7ed581cbe18cf2e
[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" "bef04706ba9a74390db251719f3c7cb97406e758d5e1a083a7ed581cbe18cf2e", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling proc-macro2 v1.0.21
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling wasm-bindgen-shared v0.2.68
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]    Compiling syn v1.0.40
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling bumpalo v3.4.0
[INFO] [stderr]    Compiling wasm-bindgen v0.2.68
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]    Compiling num-bigint v0.3.0
[INFO] [stderr]    Compiling num-rational v0.3.0
[INFO] [stderr]    Compiling num-iter v0.1.41
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling num-complex v0.3.0
[INFO] [stderr]    Compiling num v0.3.0
[INFO] [stderr]    Compiling wasm-bindgen-backend v0.2.68
[INFO] [stderr]    Compiling wasm-bindgen-macro-support v0.2.68
[INFO] [stderr]    Compiling wasm-bindgen-macro v0.2.68
[INFO] [stderr]    Compiling js-sys v0.3.45
[INFO] [stderr]    Compiling console_error_panic_hook v0.1.6
[INFO] [stderr]    Compiling web-sys v0.3.45
[INFO] [stderr]    Compiling mandelbrot-wasm v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 43.03s
[INFO] running `Command { std: "docker" "inspect" "bef04706ba9a74390db251719f3c7cb97406e758d5e1a083a7ed581cbe18cf2e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bef04706ba9a74390db251719f3c7cb97406e758d5e1a083a7ed581cbe18cf2e", kill_on_drop: false }`
[INFO] [stdout] bef04706ba9a74390db251719f3c7cb97406e758d5e1a083a7ed581cbe18cf2e
[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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "test" "--frozen" "--no-run" "--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] f715f956c85a168181fbe508d7297e8dc0c8f19bcd87f5a920b530c9fc536058
[INFO] running `Command { std: "docker" "start" "-a" "f715f956c85a168181fbe508d7297e8dc0c8f19bcd87f5a920b530c9fc536058", kill_on_drop: false }`
[INFO] [stderr]    Compiling wasm-bindgen-test-macro v0.3.18
[INFO] [stderr]    Compiling wasm-bindgen-futures v0.4.18
[INFO] [stderr]    Compiling wasm-bindgen-test v0.3.18
[INFO] [stderr]    Compiling mandelbrot-wasm v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.88s
[INFO] running `Command { std: "docker" "inspect" "f715f956c85a168181fbe508d7297e8dc0c8f19bcd87f5a920b530c9fc536058", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f715f956c85a168181fbe508d7297e8dc0c8f19bcd87f5a920b530c9fc536058", kill_on_drop: false }`
[INFO] [stdout] f715f956c85a168181fbe508d7297e8dc0c8f19bcd87f5a920b530c9fc536058
[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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 550cd07e046e9837b89b03e33b4f769e8084f74bf3ab42de181d04e590439fd2
[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" "550cd07e046e9837b89b03e33b4f769e8084f74bf3ab42de181d04e590439fd2", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/mandelbrot_wasm-ab18906af8ff62f0)
[INFO] [stdout] running 0 tests
[INFO] [stderr]    Doc-tests mandelbrot-wasm
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "550cd07e046e9837b89b03e33b4f769e8084f74bf3ab42de181d04e590439fd2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "550cd07e046e9837b89b03e33b4f769e8084f74bf3ab42de181d04e590439fd2", kill_on_drop: false }`
[INFO] [stdout] 550cd07e046e9837b89b03e33b4f769e8084f74bf3ab42de181d04e590439fd2