[INFO] fetching crate plateau 0.1.0...
[INFO] checking plateau-0.1.0 against 1.95.0 for pr-155915
[INFO] extracting crate plateau 0.1.0 into /workspace/builds/worker-0-tc1/source
[INFO] started tweaking crates.io crate plateau 0.1.0
[INFO] finished tweaking crates.io crate plateau 0.1.0
[INFO] tweaked toml for crates.io crate plateau 0.1.0 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate plateau 0.1.0 on toolchain 1.95.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.95.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate plateau 0.1.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.95.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "start" "-a" "f128256c9a5ab523092b3360bf7d4d13b158f942dea57cde8d5d4a2c60f9d5b4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f128256c9a5ab523092b3360bf7d4d13b158f942dea57cde8d5d4a2c60f9d5b4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f128256c9a5ab523092b3360bf7d4d13b158f942dea57cde8d5d4a2c60f9d5b4", kill_on_drop: false }`
[INFO] [stdout] f128256c9a5ab523092b3360bf7d4d13b158f942dea57cde8d5d4a2c60f9d5b4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "start" "-a" "dbfd5904d4f3f07eacf14a64238bac7b78bac2f859a99fb881ab8da821ce1dfa", kill_on_drop: false }`
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[INFO] [stderr]     Checking thiserror v1.0.30
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[INFO] [stderr]     Checking tokio-util v0.6.9
[INFO] [stderr]     Checking tokio-tungstenite v0.13.0
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[INFO] [stderr]     Checking bstr v0.2.17
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[INFO] [stderr]     Checking hyper v0.14.14
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[INFO] [stderr]     Checking zstd v0.9.0+zstd.1.5.0
[INFO] [stderr]     Checking plateau v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `super::*`
[INFO] [stdout]    --> src/segment.rs:185:9
[INFO] [stdout]     |
[INFO] [stdout] 185 |     use super::*;
[INFO] [stdout]     |         ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `tempfile::tempdir`
[INFO] [stdout]    --> src/segment.rs:186:9
[INFO] [stdout]     |
[INFO] [stdout] 186 |     use tempfile::tempdir;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around closure body
[INFO] [stdout]   --> src/slog.rs:92:26
[INFO] [stdout]    |
[INFO] [stdout] 92 |             .map(|range| (min(*range.start(), r.time)..=max(*range.end(), r.time)))
[INFO] [stdout]    |                          ^                                                       ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 92 -             .map(|range| (min(*range.start(), r.time)..=max(*range.end(), r.time)))
[INFO] [stdout] 92 +             .map(|range| min(*range.start(), r.time)..=max(*range.end(), r.time))
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::*`
[INFO] [stdout]    --> src/slog.rs:233:9
[INFO] [stdout]     |
[INFO] [stdout] 233 |     use super::*;
[INFO] [stdout]     |         ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `parquet::data_type::ByteArray`
[INFO] [stdout]    --> src/slog.rs:234:9
[INFO] [stdout]     |
[INFO] [stdout] 234 |     use parquet::data_type::ByteArray;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::path::PathBuf`
[INFO] [stdout]    --> src/slog.rs:235:9
[INFO] [stdout]     |
[INFO] [stdout] 235 |     use std::path::PathBuf;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::time::SystemTime`
[INFO] [stdout]    --> src/slog.rs:236:9
[INFO] [stdout]     |
[INFO] [stdout] 236 |     use std::time::SystemTime;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `tempfile::tempdir`
[INFO] [stdout]    --> src/slog.rs:237:9
[INFO] [stdout]     |
[INFO] [stdout] 237 |     use tempfile::tempdir;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around closure body
[INFO] [stdout]   --> src/slog.rs:92:26
[INFO] [stdout]    |
[INFO] [stdout] 92 |             .map(|range| (min(*range.start(), r.time)..=max(*range.end(), r.time)))
[INFO] [stdout]    |                          ^                                                       ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 92 -             .map(|range| (min(*range.start(), r.time)..=max(*range.end(), r.time)))
[INFO] [stdout] 92 +             .map(|range| min(*range.start(), r.time)..=max(*range.end(), r.time))
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Record` is never constructed
[INFO] [stdout]   --> src/segment.rs:20:12
[INFO] [stdout]    |
[INFO] [stdout] 20 | pub struct Record {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Segment` is never constructed
[INFO] [stdout]   --> src/segment.rs:25:12
[INFO] [stdout]    |
[INFO] [stdout] 25 | pub struct Segment {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `at`, `path`, `create`, and `read` are never used
[INFO] [stdout]   --> src/segment.rs:30:19
[INFO] [stdout]    |
[INFO] [stdout] 29 | impl Segment {
[INFO] [stdout]    | ------------ associated items in this implementation
[INFO] [stdout] 30 |     pub(crate) fn at(path: PathBuf) -> Segment {
[INFO] [stdout]    |                   ^^
[INFO] [stdout] ...
[INFO] [stdout] 34 |     pub(crate) fn path(&self) -> &PathBuf {
[INFO] [stdout]    |                   ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 38 |     pub(crate) fn create(&self) -> SegmentWriter {
[INFO] [stdout]    |                   ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 66 |     pub(crate) fn read(&self) -> SegmentReader {
[INFO] [stdout]    |                   ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `SegmentWriter` is never constructed
[INFO] [stdout]   --> src/segment.rs:73:19
[INFO] [stdout]    |
[INFO] [stdout] 73 | pub(crate) struct SegmentWriter {
[INFO] [stdout]    |                   ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `log` and `close` are never used
[INFO] [stdout]    --> src/segment.rs:80:19
[INFO] [stdout]     |
[INFO] [stdout]  79 | impl SegmentWriter {
[INFO] [stdout]     | ------------------ methods in this implementation
[INFO] [stdout]  80 |     pub(crate) fn log(&mut self, mut record: Vec<Record>) {
[INFO] [stdout]     |                   ^^^
[INFO] [stdout] ...
[INFO] [stdout] 113 |     pub(crate) fn close(mut self) -> u64 {
[INFO] [stdout]     |                   ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `SegmentReader` is never constructed
[INFO] [stdout]    --> src/segment.rs:120:19
[INFO] [stdout]     |
[INFO] [stdout] 120 | pub(crate) struct SegmentReader {
[INFO] [stdout]     |                   ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `read_all` is never used
[INFO] [stdout]    --> src/segment.rs:125:19
[INFO] [stdout]     |
[INFO] [stdout] 124 | impl SegmentReader {
[INFO] [stdout]     | ------------------ method in this implementation
[INFO] [stdout] 125 |     pub(crate) fn read_all(&self) -> Vec<Record> {
[INFO] [stdout]     |                   ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Slog` is never constructed
[INFO] [stdout]   --> src/slog.rs:29:19
[INFO] [stdout]    |
[INFO] [stdout] 29 | pub(crate) struct Slog {
[INFO] [stdout]    |                   ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Index` is never constructed
[INFO] [stdout]   --> src/slog.rs:40:12
[INFO] [stdout]    |
[INFO] [stdout] 40 | pub struct Index {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple associated items are never used
[INFO] [stdout]    --> src/slog.rs:46:12
[INFO] [stdout]     |
[INFO] [stdout]  45 | impl Slog {
[INFO] [stdout]     | --------- associated items in this implementation
[INFO] [stdout]  46 |     pub fn attach(root: PathBuf, name: String, current: usize) -> Self {
[INFO] [stdout]     |            ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  59 |     fn segment_path(root: &PathBuf, name: &str, segment_ix: usize) -> PathBuf {
[INFO] [stdout]     |        ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  64 |     pub(crate) fn segment_from_name(root: &PathBuf, name: &str, segment_ix: usize) -> Segment {
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  68 |     pub(crate) fn get_segment(&self, segment_ix: usize) -> Segment {
[INFO] [stdout]     |                   ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  72 |     pub(crate) fn get_record(&self, ix: Index) -> Option<Record> {
[INFO] [stdout]     |                   ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  85 |     pub(crate) fn append(&mut self, r: &Record) -> Index {
[INFO] [stdout]     |                   ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 100 |     pub(crate) fn destroy(&self, segment_ix: usize) {
[INFO] [stdout]     |                   ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 104 |     pub(crate) fn current_segment_ix(&self) -> usize {
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 108 |     pub(crate) fn current_len(&self) -> usize {
[INFO] [stdout]     |                   ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 112 |     pub(crate) fn current_size(&self) -> usize {
[INFO] [stdout]     |                   ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 116 |     pub(crate) fn current_time_range(&self) -> Option<RangeInclusive<SystemTime>> {
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 120 |     pub(crate) fn roll(&mut self) -> Option<(usize, u64)> {
[INFO] [stdout]     |                   ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 134 |     pub(crate) fn commit(&mut self) -> Option<(usize, u64)> {
[INFO] [stdout]     |                   ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `SlogThread` is never constructed
[INFO] [stdout]    --> src/slog.rs:139:8
[INFO] [stdout]     |
[INFO] [stdout] 139 | struct SlogThread {
[INFO] [stdout]     |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `SlogThreadMessage` is never used
[INFO] [stdout]    --> src/slog.rs:143:6
[INFO] [stdout]     |
[INFO] [stdout] 143 | enum SlogThreadMessage {
[INFO] [stdout]     |      ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `SlogThreadControl` is never constructed
[INFO] [stdout]    --> src/slog.rs:148:8
[INFO] [stdout]     |
[INFO] [stdout] 148 | struct SlogThreadControl {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `try_send` and `commit` are never used
[INFO] [stdout]    --> src/slog.rs:156:8
[INFO] [stdout]     |
[INFO] [stdout] 155 | impl SlogThreadControl {
[INFO] [stdout]     | ---------------------- methods in this implementation
[INFO] [stdout] 156 |     fn try_send(&mut self, rs: Vec<Record>) -> (bool, Option<(usize, u64)>) {
[INFO] [stdout]     |        ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 181 |     fn commit(&mut self) -> Option<(usize, u64)> {
[INFO] [stdout]     |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `spawn` is never used
[INFO] [stdout]    --> src/slog.rs:203:8
[INFO] [stdout]     |
[INFO] [stdout] 202 | impl SlogThread {
[INFO] [stdout]     | --------------- associated function in this implementation
[INFO] [stdout] 203 |     fn spawn(root: PathBuf, name: String, mut current: usize) -> SlogThreadControl {
[INFO] [stdout]     |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `path` is never used
[INFO] [stdout]   --> src/segment.rs:34:19
[INFO] [stdout]    |
[INFO] [stdout] 29 | impl Segment {
[INFO] [stdout]    | ------------ method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 34 |     pub(crate) fn path(&self) -> &PathBuf {
[INFO] [stdout]    |                   ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `destroy`, `current_segment_ix`, `current_len`, `current_size`, and `current_time_range` are never used
[INFO] [stdout]    --> src/slog.rs:100:19
[INFO] [stdout]     |
[INFO] [stdout]  45 | impl Slog {
[INFO] [stdout]     | --------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 100 |     pub(crate) fn destroy(&self, segment_ix: usize) {
[INFO] [stdout]     |                   ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 104 |     pub(crate) fn current_segment_ix(&self) -> usize {
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 108 |     pub(crate) fn current_len(&self) -> usize {
[INFO] [stdout]     |                   ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 112 |     pub(crate) fn current_size(&self) -> usize {
[INFO] [stdout]     |                   ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 116 |     pub(crate) fn current_time_range(&self) -> Option<RangeInclusive<SystemTime>> {
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `writer` is never read
[INFO] [stdout]    --> src/slog.rs:140:5
[INFO] [stdout]     |
[INFO] [stdout] 139 | struct SlogThread {
[INFO] [stdout]     |        ---------- field in this struct
[INFO] [stdout] 140 |     writer: SegmentWriter,
[INFO] [stdout]     |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `write_handle` is never read
[INFO] [stdout]    --> src/slog.rs:149:5
[INFO] [stdout]     |
[INFO] [stdout] 148 | struct SlogThreadControl {
[INFO] [stdout]     |        ----------------- field in this struct
[INFO] [stdout] 149 |     write_handle: JoinHandle<()>,
[INFO] [stdout]     |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 49.94s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: buf_redux v0.8.4, multipart v0.17.1
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 6`
[INFO] running `Command { std: "docker" "inspect" "dbfd5904d4f3f07eacf14a64238bac7b78bac2f859a99fb881ab8da821ce1dfa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dbfd5904d4f3f07eacf14a64238bac7b78bac2f859a99fb881ab8da821ce1dfa", kill_on_drop: false }`
[INFO] [stdout] dbfd5904d4f3f07eacf14a64238bac7b78bac2f859a99fb881ab8da821ce1dfa
