[INFO] fetching crate math2d 0.2.0-alpha8...
[INFO] checking math2d-0.2.0-alpha8 against 1.55.0 for beta-1.56-3
[INFO] extracting crate math2d 0.2.0-alpha8 into /workspace/builds/worker-80/source
[INFO] validating manifest of crates.io crate math2d 0.2.0-alpha8 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 math2d 0.2.0-alpha8
[INFO] finished tweaking crates.io crate math2d 0.2.0-alpha8
[INFO] tweaked toml for crates.io crate math2d 0.2.0-alpha8 written to /workspace/builds/worker-80/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] 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-80/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-80/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] 271feb8a9b8292666fa01b4fac47b1220d6542d49f4489dc407c94a43d7f0fb3
[INFO] running `Command { std: "docker" "start" "-a" "271feb8a9b8292666fa01b4fac47b1220d6542d49f4489dc407c94a43d7f0fb3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "271feb8a9b8292666fa01b4fac47b1220d6542d49f4489dc407c94a43d7f0fb3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "271feb8a9b8292666fa01b4fac47b1220d6542d49f4489dc407c94a43d7f0fb3", kill_on_drop: false }`
[INFO] [stdout] 271feb8a9b8292666fa01b4fac47b1220d6542d49f4489dc407c94a43d7f0fb3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-80/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-80/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] 2d7dcb401dc6dc42f63cb3484163f1783948dc6b6985b2518aff169b29ae5013
[INFO] running `Command { std: "docker" "start" "-a" "2d7dcb401dc6dc42f63cb3484163f1783948dc6b6985b2518aff169b29ae5013", kill_on_drop: false }`
[INFO] [stderr]     Checking math2d v0.2.0-alpha8 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking rand_core v0.3.1
[INFO] [stderr]     Checking rand v0.5.6
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/color.rs:189:46
[INFO] [stdout]     |
[INFO] [stdout] 189 |         write!(fmt, "{}", std::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] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/color.rs:189:46
[INFO] [stdout]     |
[INFO] [stdout] 189 |         write!(fmt, "{}", std::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 7.09s
[INFO] running `Command { std: "docker" "inspect" "2d7dcb401dc6dc42f63cb3484163f1783948dc6b6985b2518aff169b29ae5013", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2d7dcb401dc6dc42f63cb3484163f1783948dc6b6985b2518aff169b29ae5013", kill_on_drop: false }`
[INFO] [stdout] 2d7dcb401dc6dc42f63cb3484163f1783948dc6b6985b2518aff169b29ae5013
