[INFO] fetching crate kyoto_data 0.1.0...
[INFO] checking kyoto_data-0.1.0 against try#3d9fdbff4f377de96b3a51174e7a64086bee9a5c for pr-81477
[INFO] extracting crate kyoto_data 0.1.0 into /workspace/builds/worker-10/source
[INFO] validating manifest of crates.io crate kyoto_data 0.1.0 on toolchain 3d9fdbff4f377de96b3a51174e7a64086bee9a5c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3d9fdbff4f377de96b3a51174e7a64086bee9a5c" "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-10/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3d9fdbff4f377de96b3a51174e7a64086bee9a5c" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3d9fdbff4f377de96b3a51174e7a64086bee9a5c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+3d9fdbff4f377de96b3a51174e7a64086bee9a5c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fe1711c6fa06246f86901a2cb5c5cb068cb9993848dec53dccaa2f55ae5c2bb1
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "fe1711c6fa06246f86901a2cb5c5cb068cb9993848dec53dccaa2f55ae5c2bb1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fe1711c6fa06246f86901a2cb5c5cb068cb9993848dec53dccaa2f55ae5c2bb1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fe1711c6fa06246f86901a2cb5c5cb068cb9993848dec53dccaa2f55ae5c2bb1", kill_on_drop: false }`
[INFO] [stdout] fe1711c6fa06246f86901a2cb5c5cb068cb9993848dec53dccaa2f55ae5c2bb1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+3d9fdbff4f377de96b3a51174e7a64086bee9a5c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f0e1d162258d4527ee241c6e6a91d74f53171a8828287e502f3f045d3661bcc8
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "f0e1d162258d4527ee241c6e6a91d74f53171a8828287e502f3f045d3661bcc8", kill_on_drop: false }`
[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: 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: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.43s
[INFO] running `Command { std: "docker" "inspect" "f0e1d162258d4527ee241c6e6a91d74f53171a8828287e502f3f045d3661bcc8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f0e1d162258d4527ee241c6e6a91d74f53171a8828287e502f3f045d3661bcc8", kill_on_drop: false }`
[INFO] [stdout] f0e1d162258d4527ee241c6e6a91d74f53171a8828287e502f3f045d3661bcc8