[INFO] fetching crate embercat 0.0.0...
[INFO] checking embercat-0.0.0 against try#998b6603a58e47f42ccce7a67943234e96b6839e for pr-143170
[INFO] extracting crate embercat 0.0.0 into /workspace/builds/worker-7-tc2/source
[INFO] started tweaking crates.io crate embercat 0.0.0
[INFO] finished tweaking crates.io crate embercat 0.0.0
[INFO] tweaked toml for crates.io crate embercat 0.0.0 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate embercat 0.0.0 on toolchain 998b6603a58e47f42ccce7a67943234e96b6839e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "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" "+998b6603a58e47f42ccce7a67943234e96b6839e" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 146 packages to latest compatible versions
[INFO] [stderr]       Adding wasm-bindgen-futures v0.4.45 (available: v0.4.50)
[INFO] [stderr]       Adding web-sys v0.3.72 (available: v0.3.77)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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" "+998b6603a58e47f42ccce7a67943234e96b6839e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] dee55719e53e1e3e33f78a858b51aecdb03263e853a7cc0eac0a655df05b2eb9
[INFO] running `Command { std: "docker" "start" "-a" "dee55719e53e1e3e33f78a858b51aecdb03263e853a7cc0eac0a655df05b2eb9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dee55719e53e1e3e33f78a858b51aecdb03263e853a7cc0eac0a655df05b2eb9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dee55719e53e1e3e33f78a858b51aecdb03263e853a7cc0eac0a655df05b2eb9", kill_on_drop: false }`
[INFO] [stdout] dee55719e53e1e3e33f78a858b51aecdb03263e853a7cc0eac0a655df05b2eb9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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" "+998b6603a58e47f42ccce7a67943234e96b6839e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 09b762186aa75fe2069688e143a8a61b9d7e15626ec854a8b8204b49f6168f3f
[INFO] running `Command { std: "docker" "start" "-a" "09b762186aa75fe2069688e143a8a61b9d7e15626ec854a8b8204b49f6168f3f", kill_on_drop: false }`
[INFO] [stderr]    Compiling ahash v0.8.12
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]    Compiling khronos-egl v4.1.0
[INFO] [stderr]     Checking libloading v0.7.4
[INFO] [stderr]     Checking allocator-api2 v0.2.21
[INFO] [stderr]    Compiling ash v0.37.3+1.3.251
[INFO] [stderr]     Checking smallvec v1.15.1
[INFO] [stderr]     Checking bit-vec v0.6.3
[INFO] [stderr]     Checking gpu-descriptor-types v0.1.2
[INFO] [stderr]     Checking spirv v0.2.0+1.5.4
[INFO] [stderr]     Checking gpu-alloc-types v0.2.0
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking getrandom v0.2.16
[INFO] [stderr]     Checking wgpu-types v0.16.1
[INFO] [stderr]     Checking libloading v0.8.8
[INFO] [stderr]     Checking glow v0.12.3
[INFO] [stderr]     Checking profiling v1.0.17
[INFO] [stderr]     Checking raw-window-handle v0.5.2
[INFO] [stderr]     Checking gpu-alloc v0.5.4
[INFO] [stderr]     Checking either v1.15.0
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking bit-set v0.5.3
[INFO] [stderr]     Checking parking_lot_core v0.9.11
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rayon v1.10.0
[INFO] [stderr]     Checking hashbrown v0.14.5
[INFO] [stderr]     Checking parking_lot v0.12.4
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking naga v0.12.3
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling chandra-kernel v0.0.0
[INFO] [stderr]     Checking gpu-descriptor v0.2.4
[INFO] [stderr]     Checking wgpu-hal v0.16.2
[INFO] [stderr]     Checking wgpu-core v0.16.1
[INFO] [stderr]     Checking wgpu v0.16.3
[INFO] [stderr]     Checking chandra v0.0.0
[INFO] [stderr]     Checking embercat v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 26.56s
[INFO] running `Command { std: "docker" "inspect" "09b762186aa75fe2069688e143a8a61b9d7e15626ec854a8b8204b49f6168f3f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "09b762186aa75fe2069688e143a8a61b9d7e15626ec854a8b8204b49f6168f3f", kill_on_drop: false }`
[INFO] [stdout] 09b762186aa75fe2069688e143a8a61b9d7e15626ec854a8b8204b49f6168f3f