[INFO] fetching crate buf_stream 0.2.0...
[INFO] checking buf_stream-0.2.0 against master#33fdb797f59421c7bbecaa4588ed5d7a31a9494a for pr-87190-3
[INFO] extracting crate buf_stream 0.2.0 into /workspace/builds/worker-18/source
[INFO] validating manifest of crates.io crate buf_stream 0.2.0 on toolchain 33fdb797f59421c7bbecaa4588ed5d7a31a9494a
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate buf_stream 0.2.0
[INFO] finished tweaking crates.io crate buf_stream 0.2.0
[INFO] tweaked toml for crates.io crate buf_stream 0.2.0 written to /workspace/builds/worker-18/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "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" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a3c07f5f207aa1db0e1e0c1f6e60381c0895bbed2ad76ae12df74baff21d621e
[INFO] running `Command { std: "docker" "start" "-a" "a3c07f5f207aa1db0e1e0c1f6e60381c0895bbed2ad76ae12df74baff21d621e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a3c07f5f207aa1db0e1e0c1f6e60381c0895bbed2ad76ae12df74baff21d621e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a3c07f5f207aa1db0e1e0c1f6e60381c0895bbed2ad76ae12df74baff21d621e", kill_on_drop: false }`
[INFO] [stdout] a3c07f5f207aa1db0e1e0c1f6e60381c0895bbed2ad76ae12df74baff21d621e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6b4382dde8f5a136ddefe4e010df07b7afd4902eb413ed1f53ae3b3097d7c22c
[INFO] running `Command { std: "docker" "start" "-a" "6b4382dde8f5a136ddefe4e010df07b7afd4902eb413ed1f53ae3b3097d7c22c", kill_on_drop: false }`
[INFO] [stderr]     Checking buf_stream v0.2.0 (/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:111:23
[INFO] [stdout]     |
[INFO] [stdout] 111 |         error::Error::description(self.error())
[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:111:23
[INFO] [stdout]     |
[INFO] [stdout] 111 |         error::Error::description(self.error())
[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: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.20s
[INFO] running `Command { std: "docker" "inspect" "6b4382dde8f5a136ddefe4e010df07b7afd4902eb413ed1f53ae3b3097d7c22c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6b4382dde8f5a136ddefe4e010df07b7afd4902eb413ed1f53ae3b3097d7c22c", kill_on_drop: false }`
[INFO] [stdout] 6b4382dde8f5a136ddefe4e010df07b7afd4902eb413ed1f53ae3b3097d7c22c