[INFO] fetching crate sylt-std 0.1.0...
[INFO] checking sylt-std-0.1.0 against master#cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c for pr-143170
[INFO] extracting crate sylt-std 0.1.0 into /workspace/builds/worker-5-tc1/source
[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-5-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate sylt-std 0.1.0 on toolchain cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 84 packages to latest compatible versions
[INFO] [stderr]       Adding bincode v1.3.3 (available: v2.0.1)
[INFO] [stderr]       Adding owo-colors v2.1.0 (available: v4.2.2)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded sylt-tokenizer v0.1.0
[INFO] [stderr]   Downloaded sylt-common v0.1.0
[INFO] [stderr]   Downloaded stb_image v0.2.5
[INFO] [stderr]   Downloaded sungod v0.3.1
[INFO] [stderr]   Downloaded riff v1.0.1
[INFO] [stderr]   Downloaded lingon-macro v0.1.0
[INFO] [stderr]   Downloaded owo-colors v2.1.0
[INFO] [stderr]   Downloaded luminance-windowing v0.9.3
[INFO] [stderr]   Downloaded luminance-gl v0.16.1
[INFO] [stderr]   Downloaded cgmath v0.18.0
[INFO] [stderr]   Downloaded sylt-macro v0.1.0
[INFO] [stderr]   Downloaded luminance-glyph v0.2.0
[INFO] [stderr]   Downloaded luminance v0.43.2
[INFO] [stderr]   Downloaded wav v0.6.0
[INFO] [stderr]   Downloaded luminance-sdl2 v0.2.2
[INFO] [stderr]   Downloaded luminance-derive v0.6.3
[INFO] [stderr]   Downloaded lingon v0.1.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a9098782ecf31e9356274d3ab1e1e70935d5ccdcf3425d7d1eec4cbd9cd6443e
[INFO] running `Command { std: "docker" "start" "-a" "a9098782ecf31e9356274d3ab1e1e70935d5ccdcf3425d7d1eec4cbd9cd6443e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a9098782ecf31e9356274d3ab1e1e70935d5ccdcf3425d7d1eec4cbd9cd6443e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a9098782ecf31e9356274d3ab1e1e70935d5ccdcf3425d7d1eec4cbd9cd6443e", kill_on_drop: false }`
[INFO] [stdout] a9098782ecf31e9356274d3ab1e1e70935d5ccdcf3425d7d1eec4cbd9cd6443e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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" "RUSTDOCFLAGS=--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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b6bd9c053f86ed145fe8ce468d3c472121c8afdfb9728c72cc58ca4cdc333e63
[INFO] running `Command { std: "docker" "start" "-a" "b6bd9c053f86ed145fe8ce468d3c472121c8afdfb9728c72cc58ca4cdc333e63", kill_on_drop: false }`
[INFO] [stderr]    Compiling crossbeam-utils v0.8.21
[INFO] [stderr]    Compiling getrandom v0.3.3
[INFO] [stderr]    Compiling khronos_api v3.1.0
[INFO] [stderr]    Compiling log v0.4.27
[INFO] [stderr]    Compiling version-compare v0.0.10
[INFO] [stderr]     Checking ttf-parser v0.25.1
[INFO] [stderr]    Compiling xml-rs v0.8.26
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling rayon-core v1.12.1
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]     Checking ab_glyph_rasterizer v0.1.9
[INFO] [stderr]     Checking either v1.15.0
[INFO] [stderr]    Compiling syn v2.0.104
[INFO] [stderr]    Compiling sdl2 v0.34.5
[INFO] [stderr]    Compiling luminance-derive v0.6.3
[INFO] [stderr]    Compiling serde v1.0.219
[INFO] [stderr]    Compiling regex-syntax v0.6.29
[INFO] [stderr]    Compiling lazy_static v1.5.0
[INFO] [stderr]    Compiling beef v0.5.2
[INFO] [stderr]     Checking xi-unicode v0.3.0
[INFO] [stderr]     Checking rustc-hash v2.1.1
[INFO] [stderr]     Checking linked-hash-map v0.5.6
[INFO] [stderr]    Compiling sdl2-sys v0.34.5
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling stb_image v0.2.5
[INFO] [stderr]     Checking byteorder v1.5.0
[INFO] [stderr]    Compiling cgmath v0.18.0
[INFO] [stderr]     Checking riff v1.0.1
[INFO] [stderr]     Checking rand_core v0.9.3
[INFO] [stderr]    Compiling lingon-macro v0.1.0
[INFO] [stderr]    Compiling sylt-macro v0.1.0
[INFO] [stderr]     Checking owo-colors v2.1.0
[INFO] [stderr]     Checking rand_chacha v0.9.0
[INFO] [stderr]     Checking sungod v0.3.1
[INFO] [stderr]     Checking ogg v0.8.0
[INFO] [stderr]     Checking wav v0.6.0
[INFO] [stderr]    Compiling gl_generator v0.14.0
[INFO] [stderr]     Checking rand v0.9.1
[INFO] [stderr]     Checking crossbeam-epoch v0.9.18
[INFO] [stderr]     Checking crossbeam-channel v0.5.15
[INFO] [stderr]     Checking luminance v0.43.2
[INFO] [stderr]     Checking lewton v0.10.2
[INFO] [stderr]     Checking crossbeam-deque v0.8.6
[INFO] [stderr]    Compiling gl v0.14.0
[INFO] [stderr]     Checking twox-hash v2.1.1
[INFO] [stderr]     Checking approx v0.5.1
[INFO] [stderr]     Checking ordered-float v5.0.0
[INFO] [stderr]     Checking approx v0.4.0
[INFO] [stderr]     Checking rayon v1.10.0
[INFO] [stderr]     Checking luminance-windowing v0.9.3
[INFO] [stderr]     Checking owned_ttf_parser v0.25.0
[INFO] [stderr]     Checking ab_glyph v0.2.30
[INFO] [stderr]     Checking glyph_brush_layout v0.2.4
[INFO] [stderr]    Compiling logos-derive v0.12.1
[INFO] [stderr]     Checking glyph_brush_draw_cache v0.1.6
[INFO] [stderr]    Compiling serde_derive v1.0.219
[INFO] [stderr]     Checking glyph_brush v0.7.12
[INFO] [stderr]     Checking luminance-gl v0.16.1
[INFO] [stderr]     Checking logos v0.12.1
[INFO] [stderr]     Checking luminance-glyph v0.2.0
[INFO] [stderr]     Checking luminance-sdl2 v0.2.2
[INFO] [stderr]     Checking sylt-tokenizer v0.1.0
[INFO] [stderr]     Checking lingon v0.1.0
[INFO] [stderr]     Checking bincode v1.3.3
[INFO] [stderr]     Checking sylt-common v0.1.0
[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: if you intended to set a value, consider assignment instead
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 100 |         let _ = global_handles.lock().unwrap().insert(HashMap::new());
[INFO] [stdout]     |         +++++++
[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] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 166 |                 let _ = server_handle
[INFO] [stdout]     |                 +++++++
[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: if you intended to set a value, consider assignment instead
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 100 |         let _ = global_handles.lock().unwrap().insert(HashMap::new());
[INFO] [stdout]     |         +++++++
[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] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 166 |                 let _ = server_handle
[INFO] [stdout]     |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 21.11s
[INFO] running `Command { std: "docker" "inspect" "b6bd9c053f86ed145fe8ce468d3c472121c8afdfb9728c72cc58ca4cdc333e63", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b6bd9c053f86ed145fe8ce468d3c472121c8afdfb9728c72cc58ca4cdc333e63", kill_on_drop: false }`
[INFO] [stdout] b6bd9c053f86ed145fe8ce468d3c472121c8afdfb9728c72cc58ca4cdc333e63