[INFO] fetching crate cfx-server 0.1.0...
[INFO] checking cfx-server-0.1.0 against try#998b6603a58e47f42ccce7a67943234e96b6839e for pr-143170
[INFO] extracting crate cfx-server 0.1.0 into /workspace/builds/worker-7-tc2/source
[INFO] started tweaking crates.io crate cfx-server 0.1.0
[INFO] finished tweaking crates.io crate cfx-server 0.1.0
[INFO] tweaked toml for crates.io crate cfx-server 0.1.0 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate cfx-server 0.1.0 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 31 packages to latest compatible versions
[INFO] [stderr]       Adding rmp-serde v0.15.5 (available: v1.3.0)
[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] [stderr]     Blocking waiting for file lock on package cache
[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] 1e07e5132a7843430993945a9f2987c9c7e33e3aa1a8308b5c96e6ac0b29c803
[INFO] running `Command { std: "docker" "start" "-a" "1e07e5132a7843430993945a9f2987c9c7e33e3aa1a8308b5c96e6ac0b29c803", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1e07e5132a7843430993945a9f2987c9c7e33e3aa1a8308b5c96e6ac0b29c803", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1e07e5132a7843430993945a9f2987c9c7e33e3aa1a8308b5c96e6ac0b29c803", kill_on_drop: false }`
[INFO] [stdout] 1e07e5132a7843430993945a9f2987c9c7e33e3aa1a8308b5c96e6ac0b29c803
[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] ab3a09df59693d18b6a07cce06d3780da8e18148654649a52906efe83faa1ef1
[INFO] running `Command { std: "docker" "start" "-a" "ab3a09df59693d18b6a07cce06d3780da8e18148654649a52906efe83faa1ef1", kill_on_drop: false }`
[INFO] [stderr]     Checking futures-sink v0.3.31
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]     Checking rustc-hash v1.1.0
[INFO] [stderr]    Compiling syn v2.0.104
[INFO] [stderr]     Checking futures-channel v0.3.31
[INFO] [stderr]     Checking rmp v0.8.14
[INFO] [stderr]    Compiling serde_derive v1.0.219
[INFO] [stderr]    Compiling futures-macro v0.3.31
[INFO] [stderr]    Compiling async-stream-impl v0.3.6
[INFO] [stderr]     Checking async-stream v0.3.6
[INFO] [stderr]     Checking futures-util v0.3.31
[INFO] [stderr]     Checking futures-executor v0.3.31
[INFO] [stderr]     Checking futures v0.3.31
[INFO] [stderr]     Checking serde v1.0.219
[INFO] [stderr]     Checking rmp-serde v0.15.5
[INFO] [stderr]     Checking serde_bytes v0.11.17
[INFO] [stderr]     Checking cfx-wasm-rt-types v0.1.0
[INFO] [stderr]     Checking cfx-core v0.1.0
[INFO] [stderr]     Checking cfx-server v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `cfx_core::types::ToMessagePack`
[INFO] [stdout]  --> src/natives.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use cfx_core::types::ToMessagePack;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `cfx_core::types::ToMessagePack`
[INFO] [stdout]  --> src/natives.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use cfx_core::types::ToMessagePack;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 16.98s
[INFO] running `Command { std: "docker" "inspect" "ab3a09df59693d18b6a07cce06d3780da8e18148654649a52906efe83faa1ef1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ab3a09df59693d18b6a07cce06d3780da8e18148654649a52906efe83faa1ef1", kill_on_drop: false }`
[INFO] [stdout] ab3a09df59693d18b6a07cce06d3780da8e18148654649a52906efe83faa1ef1