[INFO] updating cached repository https://github.com/nwoeanhinnogaehr/flow-synth
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 2dc911b383ab53eeae1ebfae59c031aa360a349f
[INFO] checking nwoeanhinnogaehr/flow-synth against try#ea663bba38739867a4b75ac820991b4f5d093c3b for pr-62262-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnwoeanhinnogaehr%2Fflow-synth" "/workspace/builds/worker-3/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/nwoeanhinnogaehr/flow-synth on toolchain ea663bba38739867a4b75ac820991b4f5d093c3b
[INFO] running `"/workspace/cargo-home/bin/cargo" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/nwoeanhinnogaehr/flow-synth
[INFO] finished tweaking git repo https://github.com/nwoeanhinnogaehr/flow-synth
[INFO] tweaked toml for git repo https://github.com/nwoeanhinnogaehr/flow-synth written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/nwoeanhinnogaehr/flow-synth already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "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] ad31c21ec60b9632c639c91201b018ee2b4fb9af1812fd5f151db32a0248919d
[INFO] running `"docker" "start" "-a" "ad31c21ec60b9632c639c91201b018ee2b4fb9af1812fd5f151db32a0248919d"`
[INFO] [stderr]    Compiling syn v0.15.39
[INFO] [stderr]    Compiling serde v1.0.94
[INFO] [stderr]    Compiling num-complex v0.2.3
[INFO] [stderr]    Compiling num-rational v0.2.2
[INFO] [stderr]    Compiling num-iter v0.1.39
[INFO] [stderr]     Checking futures-core-preview v0.2.3
[INFO] [stderr]     Checking itertools v0.7.11
[INFO] [stderr]    Compiling nfd v0.0.4
[INFO] [stderr]     Checking libloading v0.4.3
[INFO] [stderr]     Checking inotify v0.6.1
[INFO] [stderr]    Compiling gfx_gl v0.6.0
[INFO] [stderr]     Checking crossbeam v0.7.1
[INFO] [stderr]     Checking num-bigint v0.2.2
[INFO] [stderr]     Checking twox-hash v1.4.1
[INFO] [stderr]     Checking glyph_brush_layout v0.1.6
[INFO] [stderr]     Checking winit v0.19.1
[INFO] [stderr]     Checking futures-channel-preview v0.2.2
[INFO] [stderr]     Checking futures-io-preview v0.2.2
[INFO] [stderr]     Checking jack-sys v0.2.0
[INFO] [stderr]     Checking notify v4.0.12
[INFO] [stderr]     Checking glyph_brush v0.5.3
[INFO] [stderr]     Checking jack v0.6.0
[INFO] [stderr]     Checking futures-sink-preview v0.2.2
[INFO] [stderr]     Checking futures-util-preview v0.2.2
[INFO] [stderr]     Checking ndarray v0.12.1
[INFO] [stderr]     Checking num v0.2.0
[INFO] [stderr]     Checking futures-executor-preview v0.2.2
[INFO] [stderr]     Checking futures-stable-preview v0.2.3
[INFO] [stderr]     Checking futures-async-runtime-preview v0.2.3
[INFO] [stderr]     Checking futures-preview v0.2.2
[INFO] [stderr]    Compiling derivative v1.0.2
[INFO] [stderr]    Compiling serde_derive v1.0.94
[INFO] [stderr]     Checking gfx_core v0.9.1
[INFO] [stderr]     Checking glutin v0.21.0
[INFO] [stderr]     Checking ron v0.5.1
[INFO] [stderr]     Checking gfx v0.18.1
[INFO] [stderr]     Checking gfx_device_gl v0.16.1
[INFO] [stderr]     Checking gfx_window_glutin v0.31.0
[INFO] [stderr]     Checking gfx_glyph v0.15.0
[INFO] [stderr]     Checking flow-synth v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: the feature `async_await` has been stable since 1.39.0 and no longer requires an attribute to enable
[INFO] [stderr]   --> src/main.rs:11:12
[INFO] [stderr]    |
[INFO] [stderr] 11 | #![feature(async_await)]
[INFO] [stderr]    |            ^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(stable_features)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: the feature `async_await` has been stable since 1.39.0 and no longer requires an attribute to enable
[INFO] [stderr]   --> src/main.rs:11:12
[INFO] [stderr]    |
[INFO] [stderr] 11 | #![feature(async_await)]
[INFO] [stderr]    |            ^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(stable_features)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 19s
[INFO] running `"docker" "inspect" "ad31c21ec60b9632c639c91201b018ee2b4fb9af1812fd5f151db32a0248919d"`
[INFO] running `"docker" "rm" "-f" "ad31c21ec60b9632c639c91201b018ee2b4fb9af1812fd5f151db32a0248919d"`
[INFO] [stdout] ad31c21ec60b9632c639c91201b018ee2b4fb9af1812fd5f151db32a0248919d