[INFO] fetching crate http_tiny 2.0.0-pre.6...
[INFO] checking http_tiny-2.0.0-pre.6 against master#5ad98b4026d5172f27615b105658bc8bfd677be8 for pr-129422
[INFO] extracting crate http_tiny 2.0.0-pre.6 into /workspace/builds/worker-6-tc1/source
[INFO] validating manifest of crates.io crate http_tiny 2.0.0-pre.6 on toolchain 5ad98b4026d5172f27615b105658bc8bfd677be8
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+5ad98b4026d5172f27615b105658bc8bfd677be8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate http_tiny 2.0.0-pre.6
[INFO] finished tweaking crates.io crate http_tiny 2.0.0-pre.6
[INFO] tweaked toml for crates.io crate http_tiny 2.0.0-pre.6 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+5ad98b4026d5172f27615b105658bc8bfd677be8" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+5ad98b4026d5172f27615b105658bc8bfd677be8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+5ad98b4026d5172f27615b105658bc8bfd677be8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] aeb476c845eda60da1b7db6c8d240372ef1b227d04e6778997841f1263b3294d
[INFO] running `Command { std: "docker" "start" "-a" "aeb476c845eda60da1b7db6c8d240372ef1b227d04e6778997841f1263b3294d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "aeb476c845eda60da1b7db6c8d240372ef1b227d04e6778997841f1263b3294d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aeb476c845eda60da1b7db6c8d240372ef1b227d04e6778997841f1263b3294d", kill_on_drop: false }`
[INFO] [stdout] aeb476c845eda60da1b7db6c8d240372ef1b227d04e6778997841f1263b3294d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+5ad98b4026d5172f27615b105658bc8bfd677be8" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4f722d6087e84378df448a1178daa4c96a949306dabfa510fc8ac182bd97d59c
[INFO] running `Command { std: "docker" "start" "-a" "4f722d6087e84378df448a1178daa4c96a949306dabfa510fc8ac182bd97d59c", kill_on_drop: false }`
[INFO] [stderr]     Checking http_tiny v2.0.0-pre.6 (/opt/rustwide/workdir)
[INFO] [stdout] warning: method `peek_one` is never used
[INFO] [stdout]   --> src/iotraits.rs:23:8
[INFO] [stdout]    |
[INFO] [stdout] 18 | pub trait BufReadExt
[INFO] [stdout]    |           ---------- method in this trait
[INFO] [stdout] ...
[INFO] [stdout] 23 |     fn peek_one(&mut self) -> Result<Option<u8>, Error>;
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `peek_one` is never used
[INFO] [stdout]   --> src/iotraits.rs:23:8
[INFO] [stdout]    |
[INFO] [stdout] 18 | pub trait BufReadExt
[INFO] [stdout]    |           ---------- method in this trait
[INFO] [stdout] ...
[INFO] [stdout] 23 |     fn peek_one(&mut self) -> Result<Option<u8>, Error>;
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` 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` profile [unoptimized + debuginfo] target(s) in 0.41s
[INFO] running `Command { std: "docker" "inspect" "4f722d6087e84378df448a1178daa4c96a949306dabfa510fc8ac182bd97d59c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4f722d6087e84378df448a1178daa4c96a949306dabfa510fc8ac182bd97d59c", kill_on_drop: false }`
[INFO] [stdout] 4f722d6087e84378df448a1178daa4c96a949306dabfa510fc8ac182bd97d59c