[INFO] fetching crate kyoto_data 0.1.0...
[INFO] checking kyoto_data-0.1.0 against master#ab869e094a907cc5d19b4080f22eccaf347f1f95 for pr-129604
[INFO] extracting crate kyoto_data 0.1.0 into /workspace/builds/worker-6-tc1/source
[INFO] validating manifest of crates.io crate kyoto_data 0.1.0 on toolchain ab869e094a907cc5d19b4080f22eccaf347f1f95
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "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-6-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 14 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded kyoto_protocol v0.1.0
[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" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] aaf4ccd6b17a374d84dc204757dc7047ec939e209722f94cfda6116acdf020bc
[INFO] running `Command { std: "docker" "start" "-a" "aaf4ccd6b17a374d84dc204757dc7047ec939e209722f94cfda6116acdf020bc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "aaf4ccd6b17a374d84dc204757dc7047ec939e209722f94cfda6116acdf020bc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aaf4ccd6b17a374d84dc204757dc7047ec939e209722f94cfda6116acdf020bc", kill_on_drop: false }`
[INFO] [stdout] aaf4ccd6b17a374d84dc204757dc7047ec939e209722f94cfda6116acdf020bc
[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" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f1052fe017b36945596b0ad9c2621e9d7200d803ddaaa4b2db00b86361f36549
[INFO] running `Command { std: "docker" "start" "-a" "f1052fe017b36945596b0ad9c2621e9d7200d803ddaaa4b2db00b86361f36549", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.209
[INFO] [stderr]     Checking serde_json v1.0.127
[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: field `total_keys` is never read
[INFO] [stdout]  --> src/warehouse/data_info.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct DataInfo {
[INFO] [stdout]   |            -------- field in this struct
[INFO] [stdout] 5 |     total_keys: u32,
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `DataInfo` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 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] [stdout] warning: field `total_keys` is never read
[INFO] [stdout]  --> src/warehouse/data_info.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct DataInfo {
[INFO] [stdout]   |            -------- field in this struct
[INFO] [stdout] 5 |     total_keys: u32,
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `DataInfo` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.50s
[INFO] running `Command { std: "docker" "inspect" "f1052fe017b36945596b0ad9c2621e9d7200d803ddaaa4b2db00b86361f36549", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f1052fe017b36945596b0ad9c2621e9d7200d803ddaaa4b2db00b86361f36549", kill_on_drop: false }`
[INFO] [stdout] f1052fe017b36945596b0ad9c2621e9d7200d803ddaaa4b2db00b86361f36549