[INFO] cloning repository https://github.com/besrabasant/new-tsdb
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/besrabasant/new-tsdb" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbesrabasant%2Fnew-tsdb", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbesrabasant%2Fnew-tsdb'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 876aa231771b49edf2c7f57c99ad81f164b09c08
[INFO] checking besrabasant/new-tsdb against try#8a2f6fe57adadb246778b8d41925d3dc46d468cb for pr-158320
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbesrabasant%2Fnew-tsdb" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] removed /workspace/builds/worker-3-tc2/source/rust-toolchain.toml
[INFO] started tweaking git repo https://github.com/besrabasant/new-tsdb
[INFO] finished tweaking git repo https://github.com/besrabasant/new-tsdb
[INFO] tweaked toml for git repo https://github.com/besrabasant/new-tsdb written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/besrabasant/new-tsdb on toolchain 8a2f6fe57adadb246778b8d41925d3dc46d468cb
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8a2f6fe57adadb246778b8d41925d3dc46d468cb" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/besrabasant/new-tsdb 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" "+8a2f6fe57adadb246778b8d41925d3dc46d468cb" "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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:3a6becf2bc8dde7f3fa57ede90e4f284e72d296796fc446bbb1e2c7cc0530151" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] b8d754c1e4cab04ef681c53d684ad5bec13043fafeff79960251ceb8544d955d
[INFO] running `Command { std: "docker" "start" "b8d754c1e4cab04ef681c53d684ad5bec13043fafeff79960251ceb8544d955d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "b8d754c1e4cab04ef681c53d684ad5bec13043fafeff79960251ceb8544d955d" "/opt/rustwide/cargo-home/bin/cargo" "+8a2f6fe57adadb246778b8d41925d3dc46d468cb" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b8d754c1e4cab04ef681c53d684ad5bec13043fafeff79960251ceb8544d955d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "b8d754c1e4cab04ef681c53d684ad5bec13043fafeff79960251ceb8544d955d" "/opt/rustwide/cargo-home/bin/cargo" "+8a2f6fe57adadb246778b8d41925d3dc46d468cb" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
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[INFO] [stdout] warning: unused import: `bincode::Serializer`
[INFO] [stdout]  --> src/wal.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use bincode::Serializer;
[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: `bincode::Serializer`
[INFO] [stdout]  --> src/wal.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use bincode::Serializer;
[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 imports: `EnvFilter` and `fmt`
[INFO] [stdout]   --> src/main.rs:24:26
[INFO] [stdout]    |
[INFO] [stdout] 24 | use tracing_subscriber::{fmt, EnvFilter};
[INFO] [stdout]    |                          ^^^  ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `EnvFilter` and `fmt`
[INFO] [stdout]   --> src/main.rs:24:26
[INFO] [stdout]    |
[INFO] [stdout] 24 | use tracing_subscriber::{fmt, EnvFilter};
[INFO] [stdout]    |                          ^^^  ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/replicator.rs:124:25
[INFO] [stdout]     |
[INFO] [stdout] 124 |                         _ => {}
[INFO] [stdout]     |                         ^ no value can reach this
[INFO] [stdout]     |
[INFO] [stdout] note: multiple earlier patterns match some of the same values
[INFO] [stdout]    --> src/replicator.rs:124:25
[INFO] [stdout]     |
[INFO] [stdout]  96 |                         Event::NodeJoined(info) => {
[INFO] [stdout]     |                         ----------------------- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 105 |                         Event::NodeRecovered(info) => {
[INFO] [stdout]     |                         -------------------------- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 114 |                         Event::NodeSuspected(info) => {
[INFO] [stdout]     |                         -------------------------- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 119 |                         Event::NodeDeceased(info) => {
[INFO] [stdout]     |                         ------------------------- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 124 |                         _ => {}
[INFO] [stdout]     |                         ^ collectively making this unreachable
[INFO] [stdout]     = note: `#[warn(unreachable_patterns)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/replicator.rs:158:29
[INFO] [stdout]     |
[INFO] [stdout] 158 |                         let mut w = wal.lock().await;
[INFO] [stdout]     |                             ----^
[INFO] [stdout]     |                             |
[INFO] [stdout]     |                             help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/replicator.rs:124:25
[INFO] [stdout]     |
[INFO] [stdout] 124 |                         _ => {}
[INFO] [stdout]     |                         ^ no value can reach this
[INFO] [stdout]     |
[INFO] [stdout] note: multiple earlier patterns match some of the same values
[INFO] [stdout]    --> src/replicator.rs:124:25
[INFO] [stdout]     |
[INFO] [stdout]  96 |                         Event::NodeJoined(info) => {
[INFO] [stdout]     |                         ----------------------- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 105 |                         Event::NodeRecovered(info) => {
[INFO] [stdout]     |                         -------------------------- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 114 |                         Event::NodeSuspected(info) => {
[INFO] [stdout]     |                         -------------------------- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 119 |                         Event::NodeDeceased(info) => {
[INFO] [stdout]     |                         ------------------------- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 124 |                         _ => {}
[INFO] [stdout]     |                         ^ collectively making this unreachable
[INFO] [stdout]     = note: `#[warn(unreachable_patterns)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/replicator.rs:158:29
[INFO] [stdout]     |
[INFO] [stdout] 158 |                         let mut w = wal.lock().await;
[INFO] [stdout]     |                             ----^
[INFO] [stdout]     |                             |
[INFO] [stdout]     |                             help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:78:25
[INFO] [stdout]    |
[INFO] [stdout] 78 |                     let mut w = state.wal.lock().await;
[INFO] [stdout]    |                         ----^
[INFO] [stdout]    |                         |
[INFO] [stdout]    |                         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `is_empty`, `len`, and `truncate` are never used
[INFO] [stdout]   --> src/wal.rs:70:12
[INFO] [stdout]    |
[INFO] [stdout] 16 | impl WAL {
[INFO] [stdout]    | -------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 70 |     pub fn is_empty(&self) -> bool {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 78 |     pub fn len(&self) -> usize {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 87 |     pub fn truncate(&self, _upto_seq: u64) -> Result<()> {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:78:25
[INFO] [stdout]    |
[INFO] [stdout] 78 |                     let mut w = state.wal.lock().await;
[INFO] [stdout]    |                         ----^
[INFO] [stdout]    |                         |
[INFO] [stdout]    |                         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `is_empty`, `len`, and `truncate` are never used
[INFO] [stdout]   --> src/wal.rs:70:12
[INFO] [stdout]    |
[INFO] [stdout] 16 | impl WAL {
[INFO] [stdout]    | -------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 70 |     pub fn is_empty(&self) -> bool {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 78 |     pub fn len(&self) -> usize {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 87 |     pub fn truncate(&self, _upto_seq: u64) -> Result<()> {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 18s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: proc-macro-error2 v2.0.1
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] running `Command { std: "docker" "inspect" "b8d754c1e4cab04ef681c53d684ad5bec13043fafeff79960251ceb8544d955d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b8d754c1e4cab04ef681c53d684ad5bec13043fafeff79960251ceb8544d955d", kill_on_drop: false }`
[INFO] [stdout] b8d754c1e4cab04ef681c53d684ad5bec13043fafeff79960251ceb8544d955d
