[INFO] fetching crate ergo-headless-dapp-framework 0.1.11...
[INFO] checking ergo-headless-dapp-framework-0.1.11 against try#4a04890980766cc79878135f5ade8c0c4321e943 for pr-65819
[INFO] extracting crate ergo-headless-dapp-framework 0.1.11 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate ergo-headless-dapp-framework 0.1.11 on toolchain 4a04890980766cc79878135f5ade8c0c4321e943
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4a04890980766cc79878135f5ade8c0c4321e943" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ergo-headless-dapp-framework 0.1.11
[INFO] finished tweaking crates.io crate ergo-headless-dapp-framework 0.1.11
[INFO] tweaked toml for crates.io crate ergo-headless-dapp-framework 0.1.11 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4a04890980766cc79878135f5ade8c0c4321e943" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4a04890980766cc79878135f5ade8c0c4321e943" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded ergo_headless_dapp_framework_derive v0.1.2
[INFO] [stderr]   Downloaded ergo-lib-wasm v0.5.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "rustops/crates-build-env@sha256:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/opt/rustwide/cargo-home/bin/cargo" "+4a04890980766cc79878135f5ade8c0c4321e943" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9ba8ec1be41543fe29f0c236d936f3705b595df0f5a6a78866185a787f81ddde
[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" "9ba8ec1be41543fe29f0c236d936f3705b595df0f5a6a78866185a787f81ddde", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9ba8ec1be41543fe29f0c236d936f3705b595df0f5a6a78866185a787f81ddde", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9ba8ec1be41543fe29f0c236d936f3705b595df0f5a6a78866185a787f81ddde", kill_on_drop: false }`
[INFO] [stdout] 9ba8ec1be41543fe29f0c236d936f3705b595df0f5a6a78866185a787f81ddde
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "rustops/crates-build-env@sha256:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/opt/rustwide/cargo-home/bin/cargo" "+4a04890980766cc79878135f5ade8c0c4321e943" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 6e6c0dd4349f034eb9e4bc80e2617e68fe7ec39a3e41874a92f2450587ec4245
[INFO] running `Command { std: "docker" "start" "-a" "6e6c0dd4349f034eb9e4bc80e2617e68fe7ec39a3e41874a92f2450587ec4245", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling wasm-bindgen v0.2.73
[INFO] [stderr]     Checking hashbrown v0.9.1
[INFO] [stderr]     Checking bs58 v0.3.1
[INFO] [stderr]     Checking arrayvec v0.5.2
[INFO] [stderr]     Checking json v0.12.4
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-bigint v0.3.2
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]    Compiling num-rational v0.3.2
[INFO] [stderr]    Compiling ergo_headless_dapp_framework_derive v0.1.2
[INFO] [stderr]     Checking blake2b_simd v0.5.11
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking indexmap v1.6.2
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking elliptic-curve v0.5.0
[INFO] [stderr]     Checking console_error_panic_hook v0.1.6
[INFO] [stderr]     Checking js-sys v0.3.50
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking k256 v0.4.2
[INFO] [stderr]     Checking num-integer v0.1.44
[INFO] [stderr]     Checking num-complex v0.3.1
[INFO] [stderr]     Checking num v0.3.1
[INFO] [stderr]     Checking ergo-lib v0.5.1
[INFO] [stderr]     Checking ergo-lib-wasm v0.5.1
[INFO] [stderr]     Checking ergo-headless-dapp-framework v0.1.11 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `t`
[INFO] [stdout]    --> src/encoding.rs:226:13
[INFO] [stdout]     |
[INFO] [stdout] 226 |         let t = build_token(
[INFO] [stdout]     |             ^ help: if this is intentional, prefix it with an underscore: `_t`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 21.96s
[INFO] running `Command { std: "docker" "inspect" "6e6c0dd4349f034eb9e4bc80e2617e68fe7ec39a3e41874a92f2450587ec4245", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6e6c0dd4349f034eb9e4bc80e2617e68fe7ec39a3e41874a92f2450587ec4245", kill_on_drop: false }`
[INFO] [stdout] 6e6c0dd4349f034eb9e4bc80e2617e68fe7ec39a3e41874a92f2450587ec4245