[INFO] cloning repository https://github.com/jeromefroe/mandelbrot-web
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jeromefroe/mandelbrot-web" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjeromefroe%2Fmandelbrot-web", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjeromefroe%2Fmandelbrot-web'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b0720b8135de5909271e798b535fef0346d00ab1
[INFO] testing jeromefroe/mandelbrot-web against master#99e3aef02079e9c10583638520cd0c134dc3a01d for pr-85530
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjeromefroe%2Fmandelbrot-web" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jeromefroe/mandelbrot-web on toolchain 99e3aef02079e9c10583638520cd0c134dc3a01d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-7/source/rust-toolchain
[INFO] started tweaking git repo https://github.com/jeromefroe/mandelbrot-web
[INFO] finished tweaking git repo https://github.com/jeromefroe/mandelbrot-web
[INFO] tweaked toml for git repo https://github.com/jeromefroe/mandelbrot-web written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/jeromefroe/mandelbrot-web already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9bccc482b25fb23a32bb626e388c34745a9cbcdbb4d406a13448b9f3d5fe696b
[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" "9bccc482b25fb23a32bb626e388c34745a9cbcdbb4d406a13448b9f3d5fe696b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9bccc482b25fb23a32bb626e388c34745a9cbcdbb4d406a13448b9f3d5fe696b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9bccc482b25fb23a32bb626e388c34745a9cbcdbb4d406a13448b9f3d5fe696b", kill_on_drop: false }`
[INFO] [stdout] 9bccc482b25fb23a32bb626e388c34745a9cbcdbb4d406a13448b9f3d5fe696b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6310a198e5e0b1a95eb59164514847d2adfecefb3040147f07f9658a44c94225
[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" "6310a198e5e0b1a95eb59164514847d2adfecefb3040147f07f9658a44c94225", kill_on_drop: false }`
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling scopeguard v1.0.0
[INFO] [stderr]    Compiling futures-core-preview v0.3.0-alpha.17
[INFO] [stderr]    Compiling slab v0.4.2
[INFO] [stderr]    Compiling pin-utils v0.1.0-alpha.4
[INFO] [stderr]    Compiling futures-io-preview v0.3.0-alpha.17
[INFO] [stderr]    Compiling nodrop v0.1.13
[INFO] [stderr]    Compiling tokio-executor v0.2.0-alpha.1
[INFO] [stderr]    Compiling fnv v1.0.6
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling smallvec v0.6.10
[INFO] [stderr]    Compiling rayon-core v1.5.0
[INFO] [stderr]    Compiling num-derive v0.2.5
[INFO] [stderr]    Compiling bitflags v1.1.0
[INFO] [stderr]    Compiling crc32fast v1.2.0
[INFO] [stderr]    Compiling lzw v0.10.0
[INFO] [stderr]    Compiling color_quant v1.0.1
[INFO] [stderr]    Compiling num-integer v0.1.41
[INFO] [stderr]    Compiling num-rational v0.2.2
[INFO] [stderr]    Compiling num-iter v0.1.39
[INFO] [stderr]    Compiling num-complex v0.2.3
[INFO] [stderr]    Compiling lock_api v0.3.1
[INFO] [stderr]    Compiling crossbeam-utils v0.6.6
[INFO] [stderr]    Compiling tracing-core v0.1.4
[INFO] [stderr]    Compiling arrayvec v0.4.11
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling futures-sink-preview v0.3.0-alpha.17
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling net2 v0.2.33
[INFO] [stderr]    Compiling gif v0.10.2
[INFO] [stderr]    Compiling deflate v0.7.20
[INFO] [stderr]    Compiling bytes v0.4.12
[INFO] [stderr]    Compiling futures-channel-preview v0.3.0-alpha.17
[INFO] [stderr]    Compiling crossbeam-queue v0.1.2
[INFO] [stderr]    Compiling crossbeam-channel v0.3.9
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling futures-util-preview v0.3.0-alpha.17
[INFO] [stderr]    Compiling mio v0.6.19
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]    Compiling tokio-io v0.2.0-alpha.1
[INFO] [stderr]    Compiling num-bigint v0.2.2
[INFO] [stderr]    Compiling png v0.15.0
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling memoffset v0.5.1
[INFO] [stderr]    Compiling parking_lot_core v0.6.2
[INFO] [stderr]    Compiling parking_lot v0.9.0
[INFO] [stderr]    Compiling tokio-codec v0.2.0-alpha.1
[INFO] [stderr]    Compiling tokio-current-thread v0.2.0-alpha.1
[INFO] [stderr]    Compiling crossbeam-epoch v0.7.2
[INFO] [stderr]    Compiling mio-uds v0.6.7
[INFO] [stderr]    Compiling crossbeam-deque v0.6.3
[INFO] [stderr]    Compiling crossbeam-deque v0.7.1
[INFO] [stderr]    Compiling num v0.2.0
[INFO] [stderr]    Compiling tokio-sync v0.2.0-alpha.1
[INFO] [stderr]    Compiling futures-executor-preview v0.3.0-alpha.17
[INFO] [stderr]    Compiling rayon v1.1.0
[INFO] [stderr]    Compiling futures-preview v0.3.0-alpha.17
[INFO] [stderr]    Compiling tokio-reactor v0.2.0-alpha.1
[INFO] [stderr]    Compiling tokio-threadpool v0.2.0-alpha.1
[INFO] [stderr]    Compiling tokio-timer v0.3.0-alpha.1
[INFO] [stderr]    Compiling tokio-uds v0.3.0-alpha.1
[INFO] [stderr]    Compiling tokio-udp v0.2.0-alpha.1
[INFO] [stderr]    Compiling tokio-tcp v0.2.0-alpha.1
[INFO] [stderr]    Compiling tokio-fs v0.2.0-alpha.1
[INFO] [stderr]    Compiling jpeg-decoder v0.1.15
[INFO] [stderr]    Compiling tokio-macros v0.2.0-alpha.1
[INFO] [stderr]    Compiling tokio v0.2.0-alpha.1
[INFO] [stderr]    Compiling tiff v0.3.1
[INFO] [stderr]    Compiling image v0.22.1
[INFO] [stderr]    Compiling mandelbrot-web v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the feature `async_await` has been stable since 1.39.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/main.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(async_await)]
[INFO] [stdout]   |            ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 57.77s
[INFO] running `Command { std: "docker" "inspect" "6310a198e5e0b1a95eb59164514847d2adfecefb3040147f07f9658a44c94225", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6310a198e5e0b1a95eb59164514847d2adfecefb3040147f07f9658a44c94225", kill_on_drop: false }`
[INFO] [stdout] 6310a198e5e0b1a95eb59164514847d2adfecefb3040147f07f9658a44c94225
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5ae510c87c32f8b42be44b01eb3fdff57b31b2d136c752afd2d59f0c437fcbfb
[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" "5ae510c87c32f8b42be44b01eb3fdff57b31b2d136c752afd2d59f0c437fcbfb", kill_on_drop: false }`
[INFO] [stderr]    Compiling mandelbrot-web v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the feature `async_await` has been stable since 1.39.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/main.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(async_await)]
[INFO] [stdout]   |            ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.88s
[INFO] running `Command { std: "docker" "inspect" "5ae510c87c32f8b42be44b01eb3fdff57b31b2d136c752afd2d59f0c437fcbfb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5ae510c87c32f8b42be44b01eb3fdff57b31b2d136c752afd2d59f0c437fcbfb", kill_on_drop: false }`
[INFO] [stdout] 5ae510c87c32f8b42be44b01eb3fdff57b31b2d136c752afd2d59f0c437fcbfb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] b327b225f85a69103060b162f9aac577632402f5a9692a4e66f12f78f2c4d7a1
[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" "b327b225f85a69103060b162f9aac577632402f5a9692a4e66f12f78f2c4d7a1", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr] warning: the feature `async_await` has been stable since 1.39.0 and no longer requires an attribute to enable
[INFO] [stdout] running 2 tests
[INFO] [stderr]  --> src/main.rs:1:12
[INFO] [stderr]   |
[INFO] [stderr] 1 | #![feature(async_await)]
[INFO] [stderr]   |            ^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(stable_features)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.09s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/mandelbrot_web-697b88ae25eb941f)
[INFO] [stdout] test mandelbrot::test_pixel_to_point ... ok
[INFO] [stdout] test mandelbrot::test_parse_pair ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "b327b225f85a69103060b162f9aac577632402f5a9692a4e66f12f78f2c4d7a1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b327b225f85a69103060b162f9aac577632402f5a9692a4e66f12f78f2c4d7a1", kill_on_drop: false }`
[INFO] [stdout] b327b225f85a69103060b162f9aac577632402f5a9692a4e66f12f78f2c4d7a1