[INFO] cloning repository https://github.com/dtcristo/mandelbrot
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/dtcristo/mandelbrot" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdtcristo%2Fmandelbrot", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdtcristo%2Fmandelbrot'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 11ffa18ec1dbba1e7a85aa8c976abaae4dc8e8fc
[INFO] testing dtcristo/mandelbrot against try#ce59db7a1b1b012fb2793c4641c1bdecad7a128b for pr-85530
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdtcristo%2Fmandelbrot" "/workspace/builds/worker-14/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-14/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/dtcristo/mandelbrot on toolchain ce59db7a1b1b012fb2793c4641c1bdecad7a128b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/dtcristo/mandelbrot
[INFO] finished tweaking git repo https://github.com/dtcristo/mandelbrot
[INFO] tweaked toml for git repo https://github.com/dtcristo/mandelbrot written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] crate git repo https://github.com/dtcristo/mandelbrot already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "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 safe-transmute v0.11.0-rc.2
[INFO] running `Command { std: "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" "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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7f7b2272451f983082107c4db0086b3ba8f2a774bb81b17d45fd8d9dff8cd06d
[INFO] running `Command { std: "docker" "start" "-a" "7f7b2272451f983082107c4db0086b3ba8f2a774bb81b17d45fd8d9dff8cd06d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7f7b2272451f983082107c4db0086b3ba8f2a774bb81b17d45fd8d9dff8cd06d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7f7b2272451f983082107c4db0086b3ba8f2a774bb81b17d45fd8d9dff8cd06d", kill_on_drop: false }`
[INFO] [stdout] 7f7b2272451f983082107c4db0086b3ba8f2a774bb81b17d45fd8d9dff8cd06d
[INFO] running `Command { std: "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" "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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ff71e6e4beafdfa1ac3b2ef3ea4e13a8b989143eb22cd7fdf5d87cfb75c6816e
[INFO] running `Command { std: "docker" "start" "-a" "ff71e6e4beafdfa1ac3b2ef3ea4e13a8b989143eb22cd7fdf5d87cfb75c6816e", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v0.1.5
[INFO] [stderr]    Compiling rand_core v0.4.0
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling libc v0.2.60
[INFO] [stderr]    Compiling siphasher v0.2.3
[INFO] [stderr]    Compiling wasm-bindgen-shared v0.2.48
[INFO] [stderr]    Compiling syn v0.15.39
[INFO] [stderr]    Compiling log v0.4.7
[INFO] [stderr]    Compiling cfg-if v0.1.9
[INFO] [stderr]    Compiling lazy_static v1.3.0
[INFO] [stderr]    Compiling bumpalo v2.5.0
[INFO] [stderr]    Compiling wasm-bindgen v0.2.48
[INFO] [stderr]    Compiling approx v0.1.1
[INFO] [stderr]    Compiling safe-transmute v0.11.0-rc.2
[INFO] [stderr]    Compiling phf_shared v0.7.24
[INFO] [stderr]    Compiling rand_core v0.3.1
[INFO] [stderr]    Compiling rand_jitter v0.1.4
[INFO] [stderr]    Compiling phf v0.7.24
[INFO] [stderr]    Compiling rand_isaac v0.1.1
[INFO] [stderr]    Compiling rand_xorshift v0.1.1
[INFO] [stderr]    Compiling rand_hc v0.1.0
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling num-traits v0.2.8
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]    Compiling syn v0.14.9
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]    Compiling phf_generator v0.7.24
[INFO] [stderr]    Compiling phf_codegen v0.7.24
[INFO] [stderr]    Compiling palette v0.4.1
[INFO] [stderr]    Compiling wasm-bindgen-backend v0.2.48
[INFO] [stderr]    Compiling palette_derive v0.4.1
[INFO] [stderr]    Compiling wasm-bindgen-macro-support v0.2.48
[INFO] [stderr]    Compiling wasm-bindgen-macro v0.2.48
[INFO] [stderr]    Compiling mandelbrot-core v0.1.0 (/opt/rustwide/workdir/mandelbrot-core)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 13.28s
[INFO] running `Command { std: "docker" "inspect" "ff71e6e4beafdfa1ac3b2ef3ea4e13a8b989143eb22cd7fdf5d87cfb75c6816e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ff71e6e4beafdfa1ac3b2ef3ea4e13a8b989143eb22cd7fdf5d87cfb75c6816e", kill_on_drop: false }`
[INFO] [stdout] ff71e6e4beafdfa1ac3b2ef3ea4e13a8b989143eb22cd7fdf5d87cfb75c6816e
[INFO] running `Command { std: "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" "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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f88d4be41844a770ca7ae75ea52d36efef16cb92e26060162282e7c6b0bc296e
[INFO] running `Command { std: "docker" "start" "-a" "f88d4be41844a770ca7ae75ea52d36efef16cb92e26060162282e7c6b0bc296e", kill_on_drop: false }`
[INFO] [stderr]    Compiling mandelbrot-core v0.1.0 (/opt/rustwide/workdir/mandelbrot-core)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.67s
[INFO] running `Command { std: "docker" "inspect" "f88d4be41844a770ca7ae75ea52d36efef16cb92e26060162282e7c6b0bc296e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f88d4be41844a770ca7ae75ea52d36efef16cb92e26060162282e7c6b0bc296e", kill_on_drop: false }`
[INFO] [stdout] f88d4be41844a770ca7ae75ea52d36efef16cb92e26060162282e7c6b0bc296e
[INFO] running `Command { std: "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" "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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 6bbcb4b89e39be47954bc288d29464393e898502cc50c53277d7c7e846487916
[INFO] running `Command { std: "docker" "start" "-a" "6bbcb4b89e39be47954bc288d29464393e898502cc50c53277d7c7e846487916", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/mandelbrot_core-a21a3901f1d2dbb4)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests mandelbrot-core
[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" "6bbcb4b89e39be47954bc288d29464393e898502cc50c53277d7c7e846487916", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6bbcb4b89e39be47954bc288d29464393e898502cc50c53277d7c7e846487916", kill_on_drop: false }`
[INFO] [stdout] 6bbcb4b89e39be47954bc288d29464393e898502cc50c53277d7c7e846487916