[INFO] fetching crate ddc 0.2.2...
[INFO] checking ddc-0.2.2 against 1.55.0 for beta-1.56-3
[INFO] extracting crate ddc 0.2.2 into /workspace/builds/worker-40/source
[INFO] validating manifest of crates.io crate ddc 0.2.2 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ddc 0.2.2
[INFO] finished tweaking crates.io crate ddc 0.2.2
[INFO] tweaked toml for crates.io crate ddc 0.2.2 written to /workspace/builds/worker-40/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-40/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-40/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e5d5bc6db0771324ad4fc90963b21b36549c5636eba2f61a7fa21518c310ba31
[INFO] running `Command { std: "docker" "start" "-a" "e5d5bc6db0771324ad4fc90963b21b36549c5636eba2f61a7fa21518c310ba31", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e5d5bc6db0771324ad4fc90963b21b36549c5636eba2f61a7fa21518c310ba31", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e5d5bc6db0771324ad4fc90963b21b36549c5636eba2f61a7fa21518c310ba31", kill_on_drop: false }`
[INFO] [stdout] e5d5bc6db0771324ad4fc90963b21b36549c5636eba2f61a7fa21518c310ba31
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-40/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-40/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b59404575157e2921951ee18f2459cc646f64614836ce768241d45693b448d38
[INFO] running `Command { std: "docker" "start" "-a" "b59404575157e2921951ee18f2459cc646f64614836ce768241d45693b448d38", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking mccs v0.1.0
[INFO] [stderr]     Checking ddc v0.2.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/lib.rs:188:33
[INFO] [stdout]     |
[INFO] [stdout] 188 |         write!(f, "{}", error::Error::description(self))
[INFO] [stdout]     |                                       ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/lib.rs:188:33
[INFO] [stdout]     |
[INFO] [stdout] 188 |         write!(f, "{}", error::Error::description(self))
[INFO] [stdout]     |                                       ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` 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 2.52s
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "b59404575157e2921951ee18f2459cc646f64614836ce768241d45693b448d38", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b59404575157e2921951ee18f2459cc646f64614836ce768241d45693b448d38", kill_on_drop: false }`
[INFO] [stdout] b59404575157e2921951ee18f2459cc646f64614836ce768241d45693b448d38
