[INFO] fetching crate rrc 0.2.0...
[INFO] checking rrc-0.2.0 against master#0d56e340472882fa673d4b98d0802b9a799879d0 for pr-101692
[INFO] extracting crate rrc 0.2.0 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate rrc 0.2.0 on toolchain 0d56e340472882fa673d4b98d0802b9a799879d0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0d56e340472882fa673d4b98d0802b9a799879d0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rrc 0.2.0
[INFO] finished tweaking crates.io crate rrc 0.2.0
[INFO] tweaked toml for crates.io crate rrc 0.2.0 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate crates.io crate rrc 0.2.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0d56e340472882fa673d4b98d0802b9a799879d0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded async-io v1.8.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:824c28ce115f6b999260af6986f3384c158e782489540e41c0b698ca1d9fd927" "/opt/rustwide/cargo-home/bin/cargo" "+0d56e340472882fa673d4b98d0802b9a799879d0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f8259f5ca1c523746b7ea888c36e4b3804be035f1e1322c6d939c69befd717a6
[INFO] running `Command { std: "docker" "start" "-a" "f8259f5ca1c523746b7ea888c36e4b3804be035f1e1322c6d939c69befd717a6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f8259f5ca1c523746b7ea888c36e4b3804be035f1e1322c6d939c69befd717a6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f8259f5ca1c523746b7ea888c36e4b3804be035f1e1322c6d939c69befd717a6", kill_on_drop: false }`
[INFO] [stdout] f8259f5ca1c523746b7ea888c36e4b3804be035f1e1322c6d939c69befd717a6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:824c28ce115f6b999260af6986f3384c158e782489540e41c0b698ca1d9fd927" "/opt/rustwide/cargo-home/bin/cargo" "+0d56e340472882fa673d4b98d0802b9a799879d0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 568b8488fadc026ac4ab603ac8188ad02548697ec3d30f65dae749711d4dbc13
[INFO] running `Command { std: "docker" "start" "-a" "568b8488fadc026ac4ab603ac8188ad02548697ec3d30f65dae749711d4dbc13", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.43
[INFO] [stderr]    Compiling quote v1.0.21
[INFO] [stderr]    Compiling unicode-ident v1.0.3
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling libc v0.2.132
[INFO] [stderr]    Compiling syn v1.0.99
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]    Compiling futures-core v0.3.23
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking cache-padded v1.2.0
[INFO] [stderr]     Checking parking v2.0.0
[INFO] [stderr]     Checking waker-fn v1.1.0
[INFO] [stderr]     Checking futures-io v0.3.23
[INFO] [stderr]     Checking fastrand v1.8.0
[INFO] [stderr]     Checking pin-project-lite v0.2.9
[INFO] [stderr]     Checking once_cell v1.13.1
[INFO] [stderr]     Checking event-listener v2.5.3
[INFO] [stderr]     Checking tinyvec_macros v0.1.0
[INFO] [stderr]     Checking async-task v4.3.0
[INFO] [stderr]     Checking matches v0.1.9
[INFO] [stderr]    Compiling crossbeam-utils v0.8.11
[INFO] [stderr]     Checking atomic-waker v1.0.0
[INFO] [stderr]    Compiling serde v1.0.143
[INFO] [stderr]    Compiling anyhow v1.0.62
[INFO] [stderr]     Checking percent-encoding v2.1.0
[INFO] [stderr]     Checking regex-syntax v0.6.27
[INFO] [stderr]     Checking hashbrown v0.12.3
[INFO] [stderr]     Checking os_str_bytes v6.3.0
[INFO] [stderr]    Compiling serde_derive v1.0.143
[INFO] [stderr]     Checking termcolor v1.1.3
[INFO] [stderr]     Checking unicode-bidi v0.3.8
[INFO] [stderr]     Checking strsim v0.10.0
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]     Checking textwrap v0.15.0
[INFO] [stderr]     Checking pin-utils v0.1.0
[INFO] [stderr]     Checking humantime v2.1.0
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking concurrent-queue v1.2.4
[INFO] [stderr]    Compiling value-bag v1.0.0-alpha.9
[INFO] [stderr]     Checking async-lock v2.5.0
[INFO] [stderr]    Compiling slab v0.4.7
[INFO] [stderr]    Compiling async-io v1.8.0
[INFO] [stderr]    Compiling indexmap v1.9.1
[INFO] [stderr]     Checking tinyvec v1.6.0
[INFO] [stderr]     Checking clap_lex v0.2.4
[INFO] [stderr]     Checking form_urlencoded v1.0.1
[INFO] [stderr]     Checking async-channel v1.7.1
[INFO] [stderr]     Checking unicode-normalization v0.1.21
[INFO] [stderr]     Checking futures-lite v1.12.0
[INFO] [stderr]     Checking aho-corasick v0.7.18
[INFO] [stderr]     Checking socket2 v0.4.4
[INFO] [stderr]     Checking num_cpus v1.13.1
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking dirs-sys v0.3.7
[INFO] [stderr]     Checking async-executor v1.4.1
[INFO] [stderr]     Checking blocking v1.2.0
[INFO] [stderr]     Checking toml v0.5.9
[INFO] [stderr]     Checking idna v0.2.3
[INFO] [stderr]     Checking regex v1.6.0
[INFO] [stderr]     Checking url v2.2.2
[INFO] [stderr]     Checking clap v3.2.17
[INFO] [stderr]     Checking dirs v4.0.0
[INFO] [stderr]    Compiling ctor v0.1.23
[INFO] [stderr]     Checking polling v2.2.0
[INFO] [stderr]     Checking kv-log-macro v1.0.7
[INFO] [stderr]     Checking env_logger v0.9.0
[INFO] [stderr]     Checking async-global-executor v2.2.0
[INFO] [stderr]     Checking async-std v1.12.0
[INFO] [stderr]     Checking rrc v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `super::*`
[INFO] [stdout]    --> src/remote.rs:200:9
[INFO] [stdout]     |
[INFO] [stdout] 200 |     use super::*;
[INFO] [stdout]     |         ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `as_str` is never used
[INFO] [stdout]   --> src/local.rs:20:12
[INFO] [stdout]    |
[INFO] [stdout] 20 |     pub fn as_str(&self) -> &str {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `as_str` is never used
[INFO] [stdout]   --> src/local.rs:20:12
[INFO] [stdout]    |
[INFO] [stdout] 20 |     pub fn as_str(&self) -> &str {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]    --> src/local.rs:316:12
[INFO] [stdout]     |
[INFO] [stdout] 316 |     pub fn new() -> FuzzyVec {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `len` is never used
[INFO] [stdout]    --> src/local.rs:329:12
[INFO] [stdout]     |
[INFO] [stdout] 329 |     pub fn len(&self) -> usize {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `clear` is never used
[INFO] [stdout]    --> src/local.rs:334:12
[INFO] [stdout]     |
[INFO] [stdout] 334 |     pub fn clear(&mut self) {
[INFO] [stdout]     |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `append` is never used
[INFO] [stdout]    --> src/local.rs:339:12
[INFO] [stdout]     |
[INFO] [stdout] 339 |     pub fn append(&mut self, entry: LocalRepository) {
[INFO] [stdout]     |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `user` is never used
[INFO] [stdout]   --> src/remote.rs:27:12
[INFO] [stdout]    |
[INFO] [stdout] 27 |     pub fn user(&self) -> &str {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/local.rs:402:9
[INFO] [stdout]     |
[INFO] [stdout] 402 |         env_logger::try_init();
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]    --> src/local.rs:316:12
[INFO] [stdout]     |
[INFO] [stdout] 316 |     pub fn new() -> FuzzyVec {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `len` is never used
[INFO] [stdout]    --> src/local.rs:329:12
[INFO] [stdout]     |
[INFO] [stdout] 329 |     pub fn len(&self) -> usize {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `clear` is never used
[INFO] [stdout]    --> src/local.rs:334:12
[INFO] [stdout]     |
[INFO] [stdout] 334 |     pub fn clear(&mut self) {
[INFO] [stdout]     |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `append` is never used
[INFO] [stdout]    --> src/local.rs:339:12
[INFO] [stdout]     |
[INFO] [stdout] 339 |     pub fn append(&mut self, entry: LocalRepository) {
[INFO] [stdout]     |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `user` is never used
[INFO] [stdout]   --> src/remote.rs:27:12
[INFO] [stdout]    |
[INFO] [stdout] 27 |     pub fn user(&self) -> &str {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 25.55s
[INFO] running `Command { std: "docker" "inspect" "568b8488fadc026ac4ab603ac8188ad02548697ec3d30f65dae749711d4dbc13", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "568b8488fadc026ac4ab603ac8188ad02548697ec3d30f65dae749711d4dbc13", kill_on_drop: false }`
[INFO] [stdout] 568b8488fadc026ac4ab603ac8188ad02548697ec3d30f65dae749711d4dbc13