[INFO] fetching crate rust-hdl-hls 0.46.0...
[INFO] checking rust-hdl-hls-0.46.0 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] extracting crate rust-hdl-hls 0.46.0 into /workspace/builds/worker-7-tc1/source
[INFO] validating manifest of crates.io crate rust-hdl-hls 0.46.0 on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rust-hdl-hls 0.46.0
[INFO] finished tweaking crates.io crate rust-hdl-hls 0.46.0
[INFO] tweaked toml for crates.io crate rust-hdl-hls 0.46.0 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 45 packages
[INFO] [stderr]       Adding base64 v0.13.1 (latest: v0.22.0)
[INFO] [stderr]       Adding evalexpr v6.6.0 (latest: v11.3.0)
[INFO] [stderr]       Adding fixedbitset v0.4.2 (latest: v0.5.6)
[INFO] [stderr]       Adding svg v0.10.0 (latest: v0.16.0)
[INFO] [stderr]       Adding syn v1.0.109 (latest: v2.0.58)
[INFO] [stderr]       Adding vcd v0.6.1 (latest: v0.7.0)
[INFO] [stderr]       Adding wasi v0.11.0+wasi-snapshot-preview1 (latest: v0.13.0+wasi-0.2.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded rust-hdl-widgets v0.46.0
[INFO] [stderr]   Downloaded embed-doc-image v0.1.4
[INFO] [stderr]   Downloaded evalexpr v6.6.0
[INFO] [stderr]   Downloaded rust-hdl-macros v0.46.0
[INFO] [stderr]   Downloaded svg v0.10.0
[INFO] [stderr]   Downloaded array-init v2.1.0
[INFO] [stderr]   Downloaded substring v1.4.5
[INFO] [stderr]   Downloaded vcd v0.6.1
[INFO] [stderr]   Downloaded rust-hdl-core v0.46.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c10e2e631f0a0ae1fd14ddcd1cefdfc440575792fc8813af735fb2b72ada1f28
[INFO] running `Command { std: "docker" "start" "-a" "c10e2e631f0a0ae1fd14ddcd1cefdfc440575792fc8813af735fb2b72ada1f28", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c10e2e631f0a0ae1fd14ddcd1cefdfc440575792fc8813af735fb2b72ada1f28", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c10e2e631f0a0ae1fd14ddcd1cefdfc440575792fc8813af735fb2b72ada1f28", kill_on_drop: false }`
[INFO] [stdout] c10e2e631f0a0ae1fd14ddcd1cefdfc440575792fc8813af735fb2b72ada1f28
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2c3a14000ad5d85b429c21650802d9d8a396c679276c47d0dca0f45bfa50dfad
[INFO] running `Command { std: "docker" "start" "-a" "2c3a14000ad5d85b429c21650802d9d8a396c679276c47d0dca0f45bfa50dfad", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.18
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking memchr v2.7.2
[INFO] [stderr]    Compiling num-bigint v0.4.4
[INFO] [stderr]     Checking getrandom v0.2.12
[INFO] [stderr]     Checking crossbeam-epoch v0.9.18
[INFO] [stderr]    Compiling substring v1.4.5
[INFO] [stderr]     Checking crossbeam-channel v0.5.12
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking crossbeam-deque v0.8.5
[INFO] [stderr]     Checking crossbeam-queue v0.3.11
[INFO] [stderr]     Checking fixedbitset v0.4.2
[INFO] [stderr]    Compiling base64 v0.13.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking petgraph v0.6.4
[INFO] [stderr]     Checking vcd v0.6.1
[INFO] [stderr]     Checking crossbeam v0.8.4
[INFO] [stderr]    Compiling seq-macro v0.3.5
[INFO] [stderr]     Checking aho-corasick v1.1.3
[INFO] [stderr]     Checking svg v0.10.0
[INFO] [stderr]     Checking array-init v2.1.0
[INFO] [stderr]     Checking evalexpr v6.6.0
[INFO] [stderr]     Checking num-integer v0.1.46
[INFO] [stderr]     Checking regex-automata v0.4.6
[INFO] [stderr]     Checking regex v1.10.4
[INFO] [stderr]    Compiling embed-doc-image v0.1.4
[INFO] [stderr]    Compiling rust-hdl-macros v0.46.0
[INFO] [stderr]     Checking rust-hdl-core v0.46.0
[INFO] [stderr]     Checking rust-hdl-widgets v0.46.0
[INFO] [stderr]     Checking rust-hdl-hls v0.46.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 22.14s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: svg v0.10.0
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 2`
[INFO] running `Command { std: "docker" "inspect" "2c3a14000ad5d85b429c21650802d9d8a396c679276c47d0dca0f45bfa50dfad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2c3a14000ad5d85b429c21650802d9d8a396c679276c47d0dca0f45bfa50dfad", kill_on_drop: false }`
[INFO] [stdout] 2c3a14000ad5d85b429c21650802d9d8a396c679276c47d0dca0f45bfa50dfad
[INFO] checking rust-hdl-hls-0.46.0 against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar
[INFO] extracting crate rust-hdl-hls 0.46.0 into /workspace/builds/worker-7-tc2/source
[INFO] validating manifest of crates.io crate rust-hdl-hls 0.46.0 on toolchain 645bb72776a6a56a1a8f52631a44bd082b2ba509
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rust-hdl-hls 0.46.0
[INFO] finished tweaking crates.io crate rust-hdl-hls 0.46.0
[INFO] tweaked toml for crates.io crate rust-hdl-hls 0.46.0 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b79634a6d37d906533a1984173aad6bde5a4d5762cd2bfa3186cc1077fd68ca3
[INFO] running `Command { std: "docker" "start" "-a" "b79634a6d37d906533a1984173aad6bde5a4d5762cd2bfa3186cc1077fd68ca3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b79634a6d37d906533a1984173aad6bde5a4d5762cd2bfa3186cc1077fd68ca3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b79634a6d37d906533a1984173aad6bde5a4d5762cd2bfa3186cc1077fd68ca3", kill_on_drop: false }`
[INFO] [stdout] b79634a6d37d906533a1984173aad6bde5a4d5762cd2bfa3186cc1077fd68ca3
[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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 350af78771da77eb4a24d129b44417249a4fc5da1a5f32e312b9dbd47c08235c
[INFO] running `Command { std: "docker" "start" "-a" "350af78771da77eb4a24d129b44417249a4fc5da1a5f32e312b9dbd47c08235c", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.18
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking memchr v2.7.2
[INFO] [stderr]    Compiling substring v1.4.5
[INFO] [stderr]     Checking getrandom v0.2.12
[INFO] [stderr]     Checking crossbeam-epoch v0.9.18
[INFO] [stderr]    Compiling num-bigint v0.4.4
[INFO] [stderr]     Checking crossbeam-channel v0.5.12
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking crossbeam-deque v0.8.5
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking crossbeam-queue v0.3.11
[INFO] [stderr]    Compiling base64 v0.13.1
[INFO] [stderr]     Checking fixedbitset v0.4.2
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking crossbeam v0.8.4
[INFO] [stderr]     Checking petgraph v0.6.4
[INFO] [stderr]     Checking evalexpr v6.6.0
[INFO] [stderr]     Checking aho-corasick v1.1.3
[INFO] [stderr]    Compiling seq-macro v0.3.5
[INFO] [stderr]     Checking svg v0.10.0
[INFO] [stderr]     Checking array-init v2.1.0
[INFO] [stderr]     Checking vcd v0.6.1
[INFO] [stderr]     Checking num-integer v0.1.46
[INFO] [stderr]     Checking regex-automata v0.4.6
[INFO] [stderr]     Checking regex v1.10.4
[INFO] [stderr]    Compiling embed-doc-image v0.1.4
[INFO] [stderr]    Compiling rust-hdl-macros v0.46.0
[INFO] [stderr]     Checking rust-hdl-core v0.46.0
[INFO] [stderr]     Checking rust-hdl-widgets v0.46.0
[INFO] [stderr]     Checking rust-hdl-hls v0.46.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 24.66s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: svg v0.10.0
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 2`
[INFO] running `Command { std: "docker" "inspect" "350af78771da77eb4a24d129b44417249a4fc5da1a5f32e312b9dbd47c08235c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "350af78771da77eb4a24d129b44417249a4fc5da1a5f32e312b9dbd47c08235c", kill_on_drop: false }`
[INFO] [stdout] 350af78771da77eb4a24d129b44417249a4fc5da1a5f32e312b9dbd47c08235c