[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] checking jeromefroe/mandelbrot-web against try#f6e2f78768c57172b99c3e85892f867894dc7e30 for pr-75502 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjeromefroe%2Fmandelbrot-web" "/workspace/builds/worker-8/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/jeromefroe/mandelbrot-web on toolchain f6e2f78768c57172b99c3e85892f867894dc7e30 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [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-8/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" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded futures-sink-preview v0.3.0-alpha.17 [INFO] [stderr] Downloaded futures-channel-preview v0.3.0-alpha.17 [INFO] [stderr] Downloaded futures-executor-preview v0.3.0-alpha.17 [INFO] [stderr] Downloaded futures-preview v0.3.0-alpha.17 [INFO] [stderr] Downloaded futures-io-preview v0.3.0-alpha.17 [INFO] [stderr] Downloaded futures-util-preview v0.3.0-alpha.17 [INFO] [stderr] Downloaded spin v0.5.1 [INFO] [stderr] Downloaded futures-core-preview v0.3.0-alpha.17 [INFO] [stderr] Downloaded tokio v0.2.0-alpha.1 [INFO] [stderr] Downloaded tokio-executor v0.2.0-alpha.1 [INFO] [stderr] Downloaded tokio-tcp v0.2.0-alpha.1 [INFO] [stderr] Downloaded tokio-macros v0.2.0-alpha.1 [INFO] [stderr] Downloaded tokio-uds v0.3.0-alpha.1 [INFO] [stderr] Downloaded tokio-io v0.2.0-alpha.1 [INFO] [stderr] Downloaded tokio-fs v0.2.0-alpha.1 [INFO] [stderr] Downloaded tokio-udp v0.2.0-alpha.1 [INFO] [stderr] Downloaded tokio-sync v0.2.0-alpha.1 [INFO] [stderr] Downloaded tracing-core v0.1.4 [INFO] [stderr] Downloaded tokio-timer v0.3.0-alpha.1 [INFO] [stderr] Downloaded tokio-codec v0.2.0-alpha.1 [INFO] [stderr] Downloaded tokio-current-thread v0.2.0-alpha.1 [INFO] [stderr] Downloaded tokio-threadpool v0.2.0-alpha.1 [INFO] [stderr] Downloaded tokio-reactor v0.2.0-alpha.1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] c1b06e91beec65844a82df1aa8188c7c8595a4e53256dc9b503998ac3997cc8d [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" "c1b06e91beec65844a82df1aa8188c7c8595a4e53256dc9b503998ac3997cc8d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "c1b06e91beec65844a82df1aa8188c7c8595a4e53256dc9b503998ac3997cc8d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c1b06e91beec65844a82df1aa8188c7c8595a4e53256dc9b503998ac3997cc8d", kill_on_drop: false }` [INFO] [stdout] c1b06e91beec65844a82df1aa8188c7c8595a4e53256dc9b503998ac3997cc8d [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 67be47c74b036bf4984fe12ba9a36144a7dc66d70aac4958947e372543afa6dd [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" "67be47c74b036bf4984fe12ba9a36144a7dc66d70aac4958947e372543afa6dd", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.61 [INFO] [stderr] Compiling semver-parser v0.7.0 [INFO] [stderr] Checking spin v0.5.1 [INFO] [stderr] Compiling byteorder v1.3.2 [INFO] [stderr] Compiling memchr v2.2.1 [INFO] [stderr] Checking slab v0.4.2 [INFO] [stderr] Compiling log v0.4.8 [INFO] [stderr] Checking pin-utils v0.1.0-alpha.4 [INFO] [stderr] Compiling arrayvec v0.4.11 [INFO] [stderr] Checking fnv v1.0.6 [INFO] [stderr] Checking tokio-executor v0.2.0-alpha.1 [INFO] [stderr] Compiling num-bigint v0.2.2 [INFO] [stderr] Checking adler32 v1.0.3 [INFO] [stderr] Compiling bitflags v1.1.0 [INFO] [stderr] Compiling num-complex v0.2.3 [INFO] [stderr] Checking gif v0.10.2 [INFO] [stderr] Checking futures-channel-preview v0.3.0-alpha.17 [INFO] [stderr] Compiling num-rational v0.2.2 [INFO] [stderr] Compiling proc-macro2 v0.4.30 [INFO] [stderr] Checking crc32fast v1.2.0 [INFO] [stderr] Checking inflate v0.4.5 [INFO] [stderr] Checking lazy_static v1.3.0 [INFO] [stderr] Compiling semver v0.9.0 [INFO] [stderr] Checking crossbeam-utils v0.6.6 [INFO] [stderr] Checking tracing-core v0.1.4 [INFO] [stderr] Compiling rustc_version v0.2.3 [INFO] [stderr] Checking crossbeam-queue v0.1.2 [INFO] [stderr] Checking crossbeam-channel v0.3.9 [INFO] [stderr] Compiling quote v0.6.13 [INFO] [stderr] Checking deflate v0.7.20 [INFO] [stderr] Compiling syn v0.15.44 [INFO] [stderr] Checking futures-util-preview v0.3.0-alpha.17 [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] Checking num_cpus v1.10.1 [INFO] [stderr] Checking iovec v0.1.2 [INFO] [stderr] Checking net2 v0.2.33 [INFO] [stderr] Checking tokio-current-thread v0.2.0-alpha.1 [INFO] [stderr] Checking bytes v0.4.12 [INFO] [stderr] Checking png v0.15.0 [INFO] [stderr] Checking mio v0.6.19 [INFO] [stderr] Checking crossbeam-epoch v0.7.2 [INFO] [stderr] Checking num v0.2.0 [INFO] [stderr] Checking crossbeam-deque v0.6.3 [INFO] [stderr] Checking crossbeam-deque v0.7.1 [INFO] [stderr] Checking tokio-io v0.2.0-alpha.1 [INFO] [stderr] Checking mio-uds v0.6.7 [INFO] [stderr] Checking rayon-core v1.5.0 [INFO] [stderr] Checking tokio-codec v0.2.0-alpha.1 [INFO] [stderr] Checking rayon v1.1.0 [INFO] [stderr] Checking tokio-sync v0.2.0-alpha.1 [INFO] [stderr] Checking futures-executor-preview v0.3.0-alpha.17 [INFO] [stderr] Checking futures-preview v0.3.0-alpha.17 [INFO] [stderr] Checking tokio-reactor v0.2.0-alpha.1 [INFO] [stderr] Checking tokio-threadpool v0.2.0-alpha.1 [INFO] [stderr] Checking tokio-timer v0.3.0-alpha.1 [INFO] [stderr] Checking tokio-tcp v0.2.0-alpha.1 [INFO] [stderr] Checking tokio-udp v0.2.0-alpha.1 [INFO] [stderr] Checking tokio-uds v0.3.0-alpha.1 [INFO] [stderr] Checking jpeg-decoder v0.1.15 [INFO] [stderr] Checking tokio-fs v0.2.0-alpha.1 [INFO] [stderr] Compiling num-derive v0.2.5 [INFO] [stderr] Compiling tokio-macros v0.2.0-alpha.1 [INFO] [stderr] Checking tokio v0.2.0-alpha.1 [INFO] [stderr] Checking tiff v0.3.1 [INFO] [stderr] Checking image v0.22.1 [INFO] [stderr] Checking 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] [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 1m 06s [INFO] running `Command { std: "docker" "inspect" "67be47c74b036bf4984fe12ba9a36144a7dc66d70aac4958947e372543afa6dd", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "67be47c74b036bf4984fe12ba9a36144a7dc66d70aac4958947e372543afa6dd", kill_on_drop: false }` [INFO] [stdout] 67be47c74b036bf4984fe12ba9a36144a7dc66d70aac4958947e372543afa6dd