[INFO] cloning repository https://github.com/codepr/teaspoon
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/codepr/teaspoon" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcodepr%2Fteaspoon", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcodepr%2Fteaspoon'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 72fc3a2b0274fbb10a49dcf6c93faad55e325ef9
[INFO] checking codepr/teaspoon against master#5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f for pr-87248
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcodepr%2Fteaspoon" "/workspace/builds/worker-3/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/codepr/teaspoon on toolchain 5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/codepr/teaspoon
[INFO] finished tweaking git repo https://github.com/codepr/teaspoon
[INFO] tweaked toml for git repo https://github.com/codepr/teaspoon written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/codepr/teaspoon already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded bincode v1.2.1
[INFO] [stderr]   Downloaded serde_derive v1.0.106
[INFO] [stderr]   Downloaded libc v0.2.69
[INFO] [stderr]   Downloaded proc-macro2 v1.0.10
[INFO] [stderr]   Downloaded mio v0.7.0
[INFO] [stderr]   Downloaded miow v0.3.3
[INFO] [stderr]   Downloaded ntapi v0.3.3
[INFO] [stderr]   Downloaded serde v1.0.106
[INFO] [stderr]   Downloaded syn v1.0.17
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ad800d2f93dd09953ee8d4d93dde0f89cb9b1bd3afcfec87a969f1d6d3c4cff2
[INFO] running `Command { std: "docker" "start" "-a" "ad800d2f93dd09953ee8d4d93dde0f89cb9b1bd3afcfec87a969f1d6d3c4cff2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ad800d2f93dd09953ee8d4d93dde0f89cb9b1bd3afcfec87a969f1d6d3c4cff2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ad800d2f93dd09953ee8d4d93dde0f89cb9b1bd3afcfec87a969f1d6d3c4cff2", kill_on_drop: false }`
[INFO] [stdout] ad800d2f93dd09953ee8d4d93dde0f89cb9b1bd3afcfec87a969f1d6d3c4cff2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 17a2c9259c8d8679ae3f8c8914bde98768bbb33995112d22332ed09f1be7d124
[INFO] running `Command { std: "docker" "start" "-a" "17a2c9259c8d8679ae3f8c8914bde98768bbb33995112d22332ed09f1be7d124", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.17
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling libc v0.2.69
[INFO] [stderr]    Compiling proc-macro2 v1.0.10
[INFO] [stderr]    Compiling quote v1.0.3
[INFO] [stderr]     Checking mio v0.7.0
[INFO] [stderr]    Compiling serde_derive v1.0.106
[INFO] [stderr]     Checking serde v1.0.106
[INFO] [stderr]     Checking bincode v1.2.1
[INFO] [stderr]     Checking teaspoon v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::thread::sleep`
[INFO] [stdout]   --> src/timeseries.rs:30:5
[INFO] [stdout]    |
[INFO] [stdout] 30 | use std::thread::sleep;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Duration`
[INFO] [stdout]   --> src/timeseries.rs:31:17
[INFO] [stdout]    |
[INFO] [stdout] 31 | use std::time::{Duration, SystemTime, UNIX_EPOCH};
[INFO] [stdout]    |                 ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum is never used: `Status`
[INFO] [stdout]   --> src/protocol.rs:39:6
[INFO] [stdout]    |
[INFO] [stdout] 39 | enum Status {
[INFO] [stdout]    |      ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `opcode`
[INFO] [stdout]   --> src/protocol.rs:81:12
[INFO] [stdout]    |
[INFO] [stdout] 81 |     pub fn opcode(&self) -> Option<OpCode> {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `from_binary`
[INFO] [stdout]    --> src/protocol.rs:102:12
[INFO] [stdout]     |
[INFO] [stdout] 102 |     pub fn from_binary(b: &'a Vec<u8>) -> Result<TsPacket<'a, T>, Box<bincode::ErrorKind>> {
[INFO] [stdout]     |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `to_binary`
[INFO] [stdout]    --> src/protocol.rs:123:12
[INFO] [stdout]     |
[INFO] [stdout] 123 |     pub fn to_binary(&self) -> Result<Vec<u8>, Box<bincode::ErrorKind>> {
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `clear_buffer`
[INFO] [stdout]   --> src/server.rs:57:12
[INFO] [stdout]    |
[INFO] [stdout] 57 |     pub fn clear_buffer(&mut self) {
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `register_write`
[INFO] [stdout]   --> src/server.rs:71:12
[INFO] [stdout]    |
[INFO] [stdout] 71 |     pub fn register_write(&mut self, poll: &mut Poll, token: Token) {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/timeseries.rs:49:12
[INFO] [stdout]    |
[INFO] [stdout] 49 |     pub fn new(value: f64) -> Record {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `name`
[INFO] [stdout]   --> src/timeseries.rs:65:5
[INFO] [stdout]    |
[INFO] [stdout] 65 |     name: String,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `retention`
[INFO] [stdout]   --> src/timeseries.rs:66:5
[INFO] [stdout]    |
[INFO] [stdout] 66 |     retention: Option<i64>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `ctime`
[INFO] [stdout]   --> src/timeseries.rs:67:5
[INFO] [stdout]    |
[INFO] [stdout] 67 |     ctime: u128,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/timeseries.rs:80:12
[INFO] [stdout]    |
[INFO] [stdout] 80 |     pub fn new(name: String, retention: Option<i64>) -> TimeSeries {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `add_point`
[INFO] [stdout]   --> src/timeseries.rs:92:12
[INFO] [stdout]    |
[INFO] [stdout] 92 |     pub fn add_point(&mut self, r: Record) {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `avg`
[INFO] [stdout]    --> src/timeseries.rs:102:12
[INFO] [stdout]     |
[INFO] [stdout] 102 |     pub fn avg(&self) -> f64 {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `avg_interval`
[INFO] [stdout]    --> src/timeseries.rs:107:12
[INFO] [stdout]     |
[INFO] [stdout] 107 |     pub fn avg_interval(&self, interval: u128) -> Option<Vec<f64>> {
[INFO] [stdout]     |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `len`
[INFO] [stdout]    --> src/timeseries.rs:133:12
[INFO] [stdout]     |
[INFO] [stdout] 133 |     pub fn len(&self) -> usize {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `is_empty`
[INFO] [stdout]    --> src/timeseries.rs:137:12
[INFO] [stdout]     |
[INFO] [stdout] 137 |     pub fn is_empty(&self) -> bool {
[INFO] [stdout]     |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `max`
[INFO] [stdout]    --> src/timeseries.rs:141:12
[INFO] [stdout]     |
[INFO] [stdout] 141 |     pub fn max(&self) -> Option<f64> {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `min`
[INFO] [stdout]    --> src/timeseries.rs:154:12
[INFO] [stdout]     |
[INFO] [stdout] 154 |     pub fn min(&self) -> Option<f64> {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `search`
[INFO] [stdout]    --> src/timeseries.rs:167:12
[INFO] [stdout]     |
[INFO] [stdout] 167 |     pub fn search(&self, val: u128) -> Result<usize, usize> {
[INFO] [stdout]     |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `range`
[INFO] [stdout]    --> src/timeseries.rs:173:12
[INFO] [stdout]     |
[INFO] [stdout] 173 |     pub fn range(&self, lo: u128, hi: u128) -> Option<Vec<Record>> {
[INFO] [stdout]     |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum is never used: `Status`
[INFO] [stdout]   --> src/protocol.rs:39:6
[INFO] [stdout]    |
[INFO] [stdout] 39 | enum Status {
[INFO] [stdout]    |      ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `clear_buffer`
[INFO] [stdout]   --> src/server.rs:57:12
[INFO] [stdout]    |
[INFO] [stdout] 57 |     pub fn clear_buffer(&mut self) {
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `register_write`
[INFO] [stdout]   --> src/server.rs:71:12
[INFO] [stdout]    |
[INFO] [stdout] 71 |     pub fn register_write(&mut self, poll: &mut Poll, token: Token) {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `ctime`
[INFO] [stdout]   --> src/timeseries.rs:67:5
[INFO] [stdout]    |
[INFO] [stdout] 67 |     ctime: u128,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 22 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 18.72s
[INFO] running `Command { std: "docker" "inspect" "17a2c9259c8d8679ae3f8c8914bde98768bbb33995112d22332ed09f1be7d124", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "17a2c9259c8d8679ae3f8c8914bde98768bbb33995112d22332ed09f1be7d124", kill_on_drop: false }`
[INFO] [stdout] 17a2c9259c8d8679ae3f8c8914bde98768bbb33995112d22332ed09f1be7d124