[INFO] cloning repository https://github.com/vishwa24816/Ultrarail
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/vishwa24816/Ultrarail" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvishwa24816%2FUltrarail", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvishwa24816%2FUltrarail'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 111e64fe19907d5a142aa81604e98f368672dd45
[INFO] checking vishwa24816/Ultrarail against a7c37f9f0ee5e93396106e9de20f4a86b4154e63 for pr-129249-4
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvishwa24816%2FUltrarail" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/vishwa24816/Ultrarail
[INFO] finished tweaking git repo https://github.com/vishwa24816/Ultrarail
[INFO] tweaked toml for git repo https://github.com/vishwa24816/Ultrarail written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/vishwa24816/Ultrarail on toolchain a7c37f9f0ee5e93396106e9de20f4a86b4154e63
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a7c37f9f0ee5e93396106e9de20f4a86b4154e63" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/vishwa24816/Ultrarail 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" "+a7c37f9f0ee5e93396106e9de20f4a86b4154e63" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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@sha256:77db811e55d90add9212f6832c23229e3de5f1c1f9905e8cb07319ea15df73ac" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 11a80d55f7d8b2d0fcc136cd1423434c8b41d4d60df9824f854c5559c371d3ed
[INFO] running `Command { std: "docker" "start" "11a80d55f7d8b2d0fcc136cd1423434c8b41d4d60df9824f854c5559c371d3ed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "11a80d55f7d8b2d0fcc136cd1423434c8b41d4d60df9824f854c5559c371d3ed", 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" "11a80d55f7d8b2d0fcc136cd1423434c8b41d4d60df9824f854c5559c371d3ed" "/opt/rustwide/cargo-home/bin/cargo" "+a7c37f9f0ee5e93396106e9de20f4a86b4154e63" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "11a80d55f7d8b2d0fcc136cd1423434c8b41d4d60df9824f854c5559c371d3ed", 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" "11a80d55f7d8b2d0fcc136cd1423434c8b41d4d60df9824f854c5559c371d3ed" "/opt/rustwide/cargo-home/bin/cargo" "+a7c37f9f0ee5e93396106e9de20f4a86b4154e63" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
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[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> tests/acceptance.rs:18:9
[INFO] [stdout]    |
[INFO] [stdout] 18 |     let mut child = cmd.spawn().expect("spawn server");
[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: unused import: `StreamExt`
[INFO] [stdout]  --> tests/matching.rs:4:24
[INFO] [stdout]   |
[INFO] [stdout] 4 | use futures::{SinkExt, StreamExt};
[INFO] [stdout]   |                        ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `snapshot` is never used
[INFO] [stdout]   --> src/accounts.rs:96:12
[INFO] [stdout]    |
[INFO] [stdout] 49 | impl Registry {
[INFO] [stdout]    | ------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 96 |     pub fn snapshot(&self, account: &str) -> AcctState {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `draining` and `shutdown_tx` are never read
[INFO] [stdout]    --> src/app_state.rs:524:9
[INFO] [stdout]     |
[INFO] [stdout] 514 | pub struct Writers {
[INFO] [stdout]     |            ------- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 524 |     pub draining: Arc<AtomicBool>,
[INFO] [stdout]     |         ^^^^^^^^
[INFO] [stdout] 525 |     pub ready: Arc<Mutex<Vec<bool>>>,
[INFO] [stdout] 526 |     pub shutdown_tx: tokio::sync::watch::Sender<bool>,
[INFO] [stdout]     |         ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Terminal` is never constructed
[INFO] [stdout]   --> src/delivery.rs:23:5
[INFO] [stdout]    |
[INFO] [stdout] 19 | pub enum SubmitOutcome {
[INFO] [stdout]    |          ------------- variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 23 |     Terminal(Terminal, String),
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Failed` and `StillUnknown` are never constructed
[INFO] [stdout]   --> src/delivery.rs:28:5
[INFO] [stdout]    |
[INFO] [stdout] 26 | pub enum QueryOutcome {
[INFO] [stdout]    |          ------------ variants in this enum
[INFO] [stdout] 27 |     Settled,
[INFO] [stdout] 28 |     Failed(Terminal),
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 29 |     StillUnknown,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Codec` is never constructed
[INFO] [stdout]   --> src/dlq.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub enum DlqError {
[INFO] [stdout]    |          -------- variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 16 |     Codec(String),
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `DlqError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `durable` is never read
[INFO] [stdout]   --> src/journal.rs:56:9
[INFO] [stdout]    |
[INFO] [stdout] 54 | pub struct AcceptOutcome {
[INFO] [stdout]    |            ------------- field in this struct
[INFO] [stdout] 55 |     pub lsn: u64,
[INFO] [stdout] 56 |     pub durable: bool,
[INFO] [stdout]    |         ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `AcceptOutcome` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `lookup`, `get`, and `accept` are never used
[INFO] [stdout]    --> src/journal.rs:92:12
[INFO] [stdout]     |
[INFO] [stdout]  71 | impl Journal {
[INFO] [stdout]     | ------------ methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout]  92 |     pub fn lookup(&self, scope: &str, key: &str) -> Option<&String> {
[INFO] [stdout]     |            ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 102 |     pub fn get(&self, tx_id: &str) -> Option<u64> {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 250 |     pub fn accept(
[INFO] [stdout]     |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `rebuild` and `contains` are never used
[INFO] [stdout]   --> src/matcher.rs:75:12
[INFO] [stdout]    |
[INFO] [stdout] 70 | impl SettledSet {
[INFO] [stdout]    | --------------- associated items in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 75 |     pub fn rebuild<'a>(tx_ids: impl Iterator<Item = &'a str>) -> Self {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 89 |     pub fn contains(&self, tx_id: &str) -> bool {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `snapshot` is never used
[INFO] [stdout]   --> src/accounts.rs:96:12
[INFO] [stdout]    |
[INFO] [stdout] 49 | impl Registry {
[INFO] [stdout]    | ------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 96 |     pub fn snapshot(&self, account: &str) -> AcctState {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `draining` and `shutdown_tx` are never read
[INFO] [stdout]    --> src/app_state.rs:524:9
[INFO] [stdout]     |
[INFO] [stdout] 514 | pub struct Writers {
[INFO] [stdout]     |            ------- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 524 |     pub draining: Arc<AtomicBool>,
[INFO] [stdout]     |         ^^^^^^^^
[INFO] [stdout] 525 |     pub ready: Arc<Mutex<Vec<bool>>>,
[INFO] [stdout] 526 |     pub shutdown_tx: tokio::sync::watch::Sender<bool>,
[INFO] [stdout]     |         ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Terminal` is never constructed
[INFO] [stdout]   --> src/delivery.rs:23:5
[INFO] [stdout]    |
[INFO] [stdout] 19 | pub enum SubmitOutcome {
[INFO] [stdout]    |          ------------- variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 23 |     Terminal(Terminal, String),
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Failed` and `StillUnknown` are never constructed
[INFO] [stdout]   --> src/delivery.rs:28:5
[INFO] [stdout]    |
[INFO] [stdout] 26 | pub enum QueryOutcome {
[INFO] [stdout]    |          ------------ variants in this enum
[INFO] [stdout] 27 |     Settled,
[INFO] [stdout] 28 |     Failed(Terminal),
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 29 |     StillUnknown,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Codec` is never constructed
[INFO] [stdout]   --> src/dlq.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub enum DlqError {
[INFO] [stdout]    |          -------- variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 16 |     Codec(String),
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `DlqError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `get` is never used
[INFO] [stdout]    --> src/journal.rs:102:12
[INFO] [stdout]     |
[INFO] [stdout]  71 | impl Journal {
[INFO] [stdout]     | ------------ method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 102 |     pub fn get(&self, tx_id: &str) -> Option<u64> {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `rebuild` and `contains` are never used
[INFO] [stdout]   --> src/matcher.rs:75:12
[INFO] [stdout]    |
[INFO] [stdout] 70 | impl SettledSet {
[INFO] [stdout]    | --------------- associated items in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 75 |     pub fn rebuild<'a>(tx_ids: impl Iterator<Item = &'a str>) -> Self {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 89 |     pub fn contains(&self, tx_id: &str) -> bool {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 32s
[INFO] running `Command { std: "docker" "inspect" "11a80d55f7d8b2d0fcc136cd1423434c8b41d4d60df9824f854c5559c371d3ed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "11a80d55f7d8b2d0fcc136cd1423434c8b41d4d60df9824f854c5559c371d3ed", kill_on_drop: false }`
[INFO] [stdout] 11a80d55f7d8b2d0fcc136cd1423434c8b41d4d60df9824f854c5559c371d3ed
