[INFO] fetching crate sylt-std 0.1.0...
[INFO] checking sylt-std-0.1.0 against try#cac44d9528e3bbbdaa1537d187bd489ccc5de18c for pr-91141
[INFO] extracting crate sylt-std 0.1.0 into /workspace/builds/worker-10/source
[INFO] validating manifest of crates.io crate sylt-std 0.1.0 on toolchain cac44d9528e3bbbdaa1537d187bd489ccc5de18c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate sylt-std 0.1.0
[INFO] finished tweaking crates.io crate sylt-std 0.1.0
[INFO] tweaked toml for crates.io crate sylt-std 0.1.0 written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded luminance-windowing v0.9.3
[INFO] [stderr]   Downloaded riff v1.0.1
[INFO] [stderr]   Downloaded luminance-derive v0.6.3
[INFO] [stderr]   Downloaded luminance v0.43.2
[INFO] [stderr]   Downloaded ttf-parser v0.13.4
[INFO] [stderr]   Downloaded glyph_brush v0.7.3
[INFO] [stderr]   Downloaded cgmath v0.18.0
[INFO] [stderr]   Downloaded glyph_brush_draw_cache v0.1.5
[INFO] [stderr]   Downloaded ab_glyph_rasterizer v0.1.5
[INFO] [stderr]   Downloaded ogg v0.8.0
[INFO] [stderr]   Downloaded lewton v0.10.2
[INFO] [stderr]   Downloaded luminance-sdl2 v0.2.2
[INFO] [stderr]   Downloaded wav v0.6.0
[INFO] [stderr]   Downloaded sungod v0.3.1
[INFO] [stderr]   Downloaded owned_ttf_parser v0.13.2
[INFO] [stderr]   Downloaded ab_glyph v0.2.12
[INFO] [stderr]   Downloaded luminance-glyph v0.2.0
[INFO] [stderr]   Downloaded luminance-gl v0.16.1
[INFO] [stderr]   Downloaded stb_image v0.2.3
[INFO] [stderr]   Downloaded gl v0.14.0
[INFO] [stderr]   Downloaded lingon-macro v0.1.0
[INFO] [stderr]   Downloaded lingon v0.1.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1dae942d75f78162782906363e9048a616d5a8517b12492ed26fe75e6fc8d48b
[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" "1dae942d75f78162782906363e9048a616d5a8517b12492ed26fe75e6fc8d48b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1dae942d75f78162782906363e9048a616d5a8517b12492ed26fe75e6fc8d48b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1dae942d75f78162782906363e9048a616d5a8517b12492ed26fe75e6fc8d48b", kill_on_drop: false }`
[INFO] [stdout] 1dae942d75f78162782906363e9048a616d5a8517b12492ed26fe75e6fc8d48b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e09a18fbc409defe711062ff762fd24d434118873fa4fd350cdba8d1e410a8a2
[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" "e09a18fbc409defe711062ff762fd24d434118873fa4fd350cdba8d1e410a8a2", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.82
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]     Checking ttf-parser v0.13.4
[INFO] [stderr]    Compiling version-compare v0.0.10
[INFO] [stderr]     Checking ppv-lite86 v0.2.15
[INFO] [stderr]    Compiling regex-syntax v0.6.25
[INFO] [stderr]    Compiling utf8-ranges v1.0.4
[INFO] [stderr]    Compiling sdl2 v0.34.5
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]     Checking xi-unicode v0.3.0
[INFO] [stderr]    Compiling beef v0.5.1
[INFO] [stderr]     Checking static_assertions v1.1.0
[INFO] [stderr]    Compiling gcc v0.3.55
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]    Compiling cgmath v0.18.0
[INFO] [stderr]     Checking riff v1.0.1
[INFO] [stderr]     Checking owo-colors v2.1.0
[INFO] [stderr]     Checking sungod v0.3.1
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]     Checking tinyvec v1.5.1
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]     Checking crossbeam-utils v0.8.5
[INFO] [stderr]     Checking getrandom v0.2.3
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]    Compiling sdl2-sys v0.34.5
[INFO] [stderr]     Checking wav v0.6.0
[INFO] [stderr]    Compiling gl_generator v0.14.0
[INFO] [stderr]     Checking ogg v0.8.0
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking crossbeam-epoch v0.9.5
[INFO] [stderr]     Checking crossbeam-channel v0.5.1
[INFO] [stderr]     Checking lewton v0.10.2
[INFO] [stderr]    Compiling stb_image v0.2.3
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking crossbeam-deque v0.8.1
[INFO] [stderr]     Checking rand v0.8.4
[INFO] [stderr]     Checking rayon-core v1.9.1
[INFO] [stderr]     Checking owned_ttf_parser v0.13.2
[INFO] [stderr]     Checking approx v0.5.0
[INFO] [stderr]     Checking ordered-float v2.8.0
[INFO] [stderr]     Checking approx v0.4.0
[INFO] [stderr]    Compiling gl v0.14.0
[INFO] [stderr]     Checking rayon v1.5.1
[INFO] [stderr]     Checking ab_glyph v0.2.12
[INFO] [stderr]     Checking twox-hash v1.6.1
[INFO] [stderr]     Checking glyph_brush_layout v0.2.3
[INFO] [stderr]     Checking glyph_brush_draw_cache v0.1.5
[INFO] [stderr]     Checking glyph_brush v0.7.3
[INFO] [stderr]    Compiling luminance-derive v0.6.3
[INFO] [stderr]    Compiling serde_derive v1.0.130
[INFO] [stderr]    Compiling logos-derive v0.12.0
[INFO] [stderr]    Compiling sylt-macro v0.1.0
[INFO] [stderr]    Compiling lingon-macro v0.1.0
[INFO] [stderr]     Checking luminance v0.43.2
[INFO] [stderr]     Checking luminance-gl v0.16.1
[INFO] [stderr]     Checking luminance-windowing v0.9.3
[INFO] [stderr]     Checking luminance-glyph v0.2.0
[INFO] [stderr]     Checking luminance-sdl2 v0.2.2
[INFO] [stderr]     Checking lingon v0.1.0
[INFO] [stderr]     Checking logos v0.12.0
[INFO] [stderr]     Checking sylt-tokenizer v0.1.0
[INFO] [stderr]     Checking serde v1.0.130
[INFO] [stderr]     Checking sylt-common v0.1.0
[INFO] [stderr]     Checking bincode v1.3.3
[INFO] [stderr]     Checking sylt-std v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused return value of `Option::<T>::insert` that must be used
[INFO] [stdout]    --> src/network.rs:100:9
[INFO] [stdout]     |
[INFO] [stdout] 100 |         global_handles.lock().unwrap().insert(HashMap::new());
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]     = note: if you intended to set a value, consider assignment instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `Option::<T>::insert` that must be used
[INFO] [stdout]    --> src/network.rs:166:17
[INFO] [stdout]     |
[INFO] [stdout] 166 | /                 server_handle
[INFO] [stdout] 167 | |                     .borrow_mut()
[INFO] [stdout] 168 | |                     .insert(stream);
[INFO] [stdout]     | |____________________________________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: if you intended to set a value, consider assignment instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `Option::<T>::insert` that must be used
[INFO] [stdout]    --> src/network.rs:100:9
[INFO] [stdout]     |
[INFO] [stdout] 100 |         global_handles.lock().unwrap().insert(HashMap::new());
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]     = note: if you intended to set a value, consider assignment instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `Option::<T>::insert` that must be used
[INFO] [stdout]    --> src/network.rs:166:17
[INFO] [stdout]     |
[INFO] [stdout] 166 | /                 server_handle
[INFO] [stdout] 167 | |                     .borrow_mut()
[INFO] [stdout] 168 | |                     .insert(stream);
[INFO] [stdout]     | |____________________________________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: if you intended to set a value, consider assignment instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 19s
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "e09a18fbc409defe711062ff762fd24d434118873fa4fd350cdba8d1e410a8a2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e09a18fbc409defe711062ff762fd24d434118873fa4fd350cdba8d1e410a8a2", kill_on_drop: false }`
[INFO] [stdout] e09a18fbc409defe711062ff762fd24d434118873fa4fd350cdba8d1e410a8a2