[INFO] fetching crate kyoto_data 0.1.0...
[INFO] checking kyoto_data-0.1.0 against try#3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f for pr-87248
[INFO] extracting crate kyoto_data 0.1.0 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate kyoto_data 0.1.0 on toolchain 3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate kyoto_data 0.1.0
[INFO] finished tweaking crates.io crate kyoto_data 0.1.0
[INFO] tweaked toml for crates.io crate kyoto_data 0.1.0 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "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-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b78d82fd6dc705c5b8f61fb9fdb21080f457a6d279c3a0516b04920f840a74bd
[INFO] running `Command { std: "docker" "start" "-a" "b78d82fd6dc705c5b8f61fb9fdb21080f457a6d279c3a0516b04920f840a74bd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b78d82fd6dc705c5b8f61fb9fdb21080f457a6d279c3a0516b04920f840a74bd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b78d82fd6dc705c5b8f61fb9fdb21080f457a6d279c3a0516b04920f840a74bd", kill_on_drop: false }`
[INFO] [stdout] b78d82fd6dc705c5b8f61fb9fdb21080f457a6d279c3a0516b04920f840a74bd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] edd2c03c9c273b326d69f05b5c702633869dad6494a4be4a9d1c965e6f02d1b2
[INFO] running `Command { std: "docker" "start" "-a" "edd2c03c9c273b326d69f05b5c702633869dad6494a4be4a9d1c965e6f02d1b2", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.126
[INFO] [stderr]     Checking serde_json v1.0.64
[INFO] [stderr]     Checking kyoto_protocol v0.1.0
[INFO] [stderr]     Checking kyoto_data v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `BufMut`
[INFO] [stdout]  --> src/server_state/machine_info.rs:1:24
[INFO] [stdout]   |
[INFO] [stdout] 1 | use bytes::{ BytesMut, BufMut };
[INFO] [stdout]   |                        ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `BufMut`
[INFO] [stdout]  --> src/warehouse/data_info.rs:1:24
[INFO] [stdout]   |
[INFO] [stdout] 1 | use bytes::{ BytesMut, BufMut };
[INFO] [stdout]   |                        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `BufMut`
[INFO] [stdout]  --> src/server_state/machine_info.rs:1:24
[INFO] [stdout]   |
[INFO] [stdout] 1 | use bytes::{ BytesMut, BufMut };
[INFO] [stdout]   |                        ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `BufMut`
[INFO] [stdout]  --> src/warehouse/data_info.rs:1:24
[INFO] [stdout]   |
[INFO] [stdout] 1 | use bytes::{ BytesMut, BufMut };
[INFO] [stdout]   |                        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/warehouse/data_info.rs:13:33
[INFO] [stdout]    |
[INFO] [stdout] 13 |     pub fn generate_info(&self, mut info: BytesMut) -> BytesMut {
[INFO] [stdout]    |                                 ----^^^^
[INFO] [stdout]    |                                 |
[INFO] [stdout]    |                                 help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/warehouse/data_info.rs:13:33
[INFO] [stdout]    |
[INFO] [stdout] 13 |     pub fn generate_info(&self, mut info: BytesMut) -> BytesMut {
[INFO] [stdout]    |                                 ----^^^^
[INFO] [stdout]    |                                 |
[INFO] [stdout]    |                                 help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.29s
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "edd2c03c9c273b326d69f05b5c702633869dad6494a4be4a9d1c965e6f02d1b2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "edd2c03c9c273b326d69f05b5c702633869dad6494a4be4a9d1c965e6f02d1b2", kill_on_drop: false }`
[INFO] [stdout] edd2c03c9c273b326d69f05b5c702633869dad6494a4be4a9d1c965e6f02d1b2