[INFO] cloning repository https://github.com/as3richa/queensway
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/as3richa/queensway" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fas3richa%2Fqueensway", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fas3richa%2Fqueensway'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 11aceefbded2287a02755c91eb90ad823f04fd16
[INFO] checking as3richa/queensway against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fas3richa%2Fqueensway" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/as3richa/queensway on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/as3richa/queensway
[INFO] finished tweaking git repo https://github.com/as3richa/queensway
[INFO] tweaked toml for git repo https://github.com/as3richa/queensway written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/as3richa/queensway 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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b72c94853478b9f548aac1e2183ec4852572bcdb3e47cff1f8f492fac992f66a
[INFO] running `Command { std: "docker" "start" "-a" "b72c94853478b9f548aac1e2183ec4852572bcdb3e47cff1f8f492fac992f66a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b72c94853478b9f548aac1e2183ec4852572bcdb3e47cff1f8f492fac992f66a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b72c94853478b9f548aac1e2183ec4852572bcdb3e47cff1f8f492fac992f66a", kill_on_drop: false }`
[INFO] [stdout] b72c94853478b9f548aac1e2183ec4852572bcdb3e47cff1f8f492fac992f66a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e8fef525da01b874d709873db484eb95e7c32753f5c0d33fe533b8b961635949
[INFO] running `Command { std: "docker" "start" "-a" "e8fef525da01b874d709873db484eb95e7c32753f5c0d33fe533b8b961635949", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.39
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling unicode-ident v1.0.0
[INFO] [stderr]    Compiling rayon-core v1.9.3
[INFO] [stderr]    Compiling parking_lot_core v0.9.3
[INFO] [stderr]    Compiling syn v1.0.95
[INFO] [stderr]    Compiling rayon v1.5.3
[INFO] [stderr]     Checking regex-syntax v0.6.26
[INFO] [stderr]     Checking num_cpus v1.13.1
[INFO] [stderr]     Checking aho-corasick v0.7.18
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking signal-hook-registry v1.4.0
[INFO] [stderr]     Checking socket2 v0.4.4
[INFO] [stderr]     Checking termcolor v1.1.3
[INFO] [stderr]     Checking once_cell v1.11.0
[INFO] [stderr]     Checking mio v0.8.3
[INFO] [stderr]     Checking parking_lot v0.12.0
[INFO] [stderr]    Compiling quote v1.0.18
[INFO] [stderr]     Checking regex v1.5.6
[INFO] [stderr]     Checking env_logger v0.9.0
[INFO] [stderr]    Compiling tokio-macros v1.7.0
[INFO] [stderr]     Checking tokio v1.18.2
[INFO] [stderr]     Checking queensway v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `warn`
[INFO] [stdout]   --> src/server.rs:19:17
[INFO] [stdout]    |
[INFO] [stdout] 19 | use log::{info, warn};
[INFO] [stdout]    |                 ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `warn`
[INFO] [stdout]   --> src/server.rs:19:17
[INFO] [stdout]    |
[INFO] [stdout] 19 | use log::{info, warn};
[INFO] [stdout]    |                 ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `pattern`
[INFO] [stdout]   --> src/matcher.rs:15:30
[INFO] [stdout]    |
[INFO] [stdout] 15 |             Self::Wildcard { pattern } => unimplemented!(), // FIXME
[INFO] [stdout]    |                              ^^^^^^^ help: try ignoring the field: `pattern: _`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Exact`, `Wildcard`, `Set`, and `Regex` are never constructed
[INFO] [stdout]  --> src/matcher.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub enum Matcher {
[INFO] [stdout]   |          ------- variants in this enum
[INFO] [stdout] 5 |     Exact { name: String },
[INFO] [stdout]   |     ^^^^^
[INFO] [stdout] 6 |     Wildcard { pattern: String },
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout] 7 |     Set { names: HashSet<String> },
[INFO] [stdout]   |     ^^^
[INFO] [stdout] 8 |     Regex { regex: Regex },
[INFO] [stdout]   |     ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `matches` is never used
[INFO] [stdout]   --> src/matcher.rs:12:12
[INFO] [stdout]    |
[INFO] [stdout] 11 | impl Matcher {
[INFO] [stdout]    | ------------ method in this implementation
[INFO] [stdout] 12 |     pub fn matches(&self, query: String) -> bool {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `from_parts` is never used
[INFO] [stdout]    --> src/protocol.rs:541:12
[INFO] [stdout]     |
[INFO] [stdout] 536 | impl Flags {
[INFO] [stdout]     | ---------- associated function in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 541 |     pub fn from_parts(
[INFO] [stdout]     |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `rules` is never read
[INFO] [stdout]   --> src/server.rs:29:9
[INFO] [stdout]    |
[INFO] [stdout] 21 | pub struct Config {
[INFO] [stdout]    |            ------ field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 29 |     pub rules: Vec<(Matcher, Vec<Record>)>,
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `transform_query` is never used
[INFO] [stdout]    --> src/server.rs:166:10
[INFO] [stdout]     |
[INFO] [stdout] 166 | async fn transform_query(query: Message) -> (Option<Message>, Vec<Record>) {
[INFO] [stdout]     |          ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `transform_response` is never used
[INFO] [stdout]    --> src/server.rs:170:10
[INFO] [stdout]     |
[INFO] [stdout] 170 | async fn transform_response(reply: Message) -> Message {
[INFO] [stdout]     |          ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `pattern`
[INFO] [stdout]   --> src/matcher.rs:15:30
[INFO] [stdout]    |
[INFO] [stdout] 15 |             Self::Wildcard { pattern } => unimplemented!(), // FIXME
[INFO] [stdout]    |                              ^^^^^^^ help: try ignoring the field: `pattern: _`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Exact`, `Wildcard`, `Set`, and `Regex` are never constructed
[INFO] [stdout]  --> src/matcher.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub enum Matcher {
[INFO] [stdout]   |          ------- variants in this enum
[INFO] [stdout] 5 |     Exact { name: String },
[INFO] [stdout]   |     ^^^^^
[INFO] [stdout] 6 |     Wildcard { pattern: String },
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout] 7 |     Set { names: HashSet<String> },
[INFO] [stdout]   |     ^^^
[INFO] [stdout] 8 |     Regex { regex: Regex },
[INFO] [stdout]   |     ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `matches` is never used
[INFO] [stdout]   --> src/matcher.rs:12:12
[INFO] [stdout]    |
[INFO] [stdout] 11 | impl Matcher {
[INFO] [stdout]    | ------------ method in this implementation
[INFO] [stdout] 12 |     pub fn matches(&self, query: String) -> bool {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `from_parts` is never used
[INFO] [stdout]    --> src/protocol.rs:541:12
[INFO] [stdout]     |
[INFO] [stdout] 536 | impl Flags {
[INFO] [stdout]     | ---------- associated function in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 541 |     pub fn from_parts(
[INFO] [stdout]     |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `rules` is never read
[INFO] [stdout]   --> src/server.rs:29:9
[INFO] [stdout]    |
[INFO] [stdout] 21 | pub struct Config {
[INFO] [stdout]    |            ------ field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 29 |     pub rules: Vec<(Matcher, Vec<Record>)>,
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `transform_query` is never used
[INFO] [stdout]    --> src/server.rs:166:10
[INFO] [stdout]     |
[INFO] [stdout] 166 | async fn transform_query(query: Message) -> (Option<Message>, Vec<Record>) {
[INFO] [stdout]     |          ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `transform_response` is never used
[INFO] [stdout]    --> src/server.rs:170:10
[INFO] [stdout]     |
[INFO] [stdout] 170 | async fn transform_response(reply: Message) -> Message {
[INFO] [stdout]     |          ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 10.43s
[INFO] running `Command { std: "docker" "inspect" "e8fef525da01b874d709873db484eb95e7c32753f5c0d33fe533b8b961635949", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e8fef525da01b874d709873db484eb95e7c32753f5c0d33fe533b8b961635949", kill_on_drop: false }`
[INFO] [stdout] e8fef525da01b874d709873db484eb95e7c32753f5c0d33fe533b8b961635949