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[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftwitter%2Frpc-perf'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3ffbf52beacd47444f40666426d716092d5a8235
[INFO] checking twitter/rpc-perf against try#8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8 for pr-82565
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftwitter%2Frpc-perf" "/workspace/builds/worker-8/source", kill_on_drop: false }`
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[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/twitter/rpc-perf on toolchain 8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
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[INFO] finished tweaking git repo https://github.com/twitter/rpc-perf
[INFO] tweaked toml for git repo https://github.com/twitter/rpc-perf written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/twitter/rpc-perf already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "start" "-a" "824ded3323cfd734a32f63eac2c009a18a11ffe1ee02b145aedcb039b8532e64", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "824ded3323cfd734a32f63eac2c009a18a11ffe1ee02b145aedcb039b8532e64", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "824ded3323cfd734a32f63eac2c009a18a11ffe1ee02b145aedcb039b8532e64", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "start" "-a" "8c8c9425cf6f86025be0d61712ed2a0d5d64844760ebd296f528cc71bf170859", kill_on_drop: false }`
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[INFO] [stderr]     Checking rpc-perf v3.2.0-pre (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated function is never used: `hget`
[INFO] [stdout]   --> src/codec/redis.rs:65:12
[INFO] [stdout]    |
[INFO] [stdout] 65 |     pub fn hget(&self, buf: &mut Buffer, key: &[u8], field: &[u8]) {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `hset`
[INFO] [stdout]   --> src/codec/redis.rs:70:12
[INFO] [stdout]    |
[INFO] [stdout] 70 |     pub fn hset(&self, buf: &mut Buffer, key: &[u8], field: &[u8], value: &[u8]) {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `hsetnx`
[INFO] [stdout]   --> src/codec/redis.rs:75:12
[INFO] [stdout]    |
[INFO] [stdout] 75 |     pub fn hsetnx(&self, buf: &mut Buffer, key: &[u8], field: &[u8], value: &[u8]) {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `mget`
[INFO] [stdout]   --> src/codec/redis.rs:80:12
[INFO] [stdout]    |
[INFO] [stdout] 80 |     pub fn mget(&self, buf: &mut Buffer, keys: &[&[u8]]) {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `lindex`
[INFO] [stdout]   --> src/codec/redis.rs:96:12
[INFO] [stdout]    |
[INFO] [stdout] 96 |     pub fn lindex(&self, buf: &mut Buffer, key: &[u8], index: isize) {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `lpop`
[INFO] [stdout]    --> src/codec/redis.rs:107:12
[INFO] [stdout]     |
[INFO] [stdout] 107 |     pub fn lpop(&self, buf: &mut Buffer, key: &[u8]) {
[INFO] [stdout]     |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `lset`
[INFO] [stdout]    --> src/codec/redis.rs:131:12
[INFO] [stdout]     |
[INFO] [stdout] 131 |     pub fn lset(&self, buf: &mut Buffer, key: &[u8], index: isize, value: &[u8]) {
[INFO] [stdout]     |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `count`
[INFO] [stdout]    --> src/codec/thrift_cache.rs:121:12
[INFO] [stdout]     |
[INFO] [stdout] 121 |     pub fn count(
[INFO] [stdout]     |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `scan`
[INFO] [stdout]    --> src/codec/thrift_cache.rs:423:12
[INFO] [stdout]     |
[INFO] [stdout] 423 |     pub fn scan(
[INFO] [stdout]     |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `index`
[INFO] [stdout]   --> src/codec/mod.rs:51:5
[INFO] [stdout]    |
[INFO] [stdout] 51 |     index: Option<u64>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `refreshed`
[INFO] [stdout]   --> src/stats/snapshot.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 |     refreshed: Instant,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 11 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `hget`
[INFO] [stdout]   --> src/codec/redis.rs:65:12
[INFO] [stdout]    |
[INFO] [stdout] 65 |     pub fn hget(&self, buf: &mut Buffer, key: &[u8], field: &[u8]) {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `hset`
[INFO] [stdout]   --> src/codec/redis.rs:70:12
[INFO] [stdout]    |
[INFO] [stdout] 70 |     pub fn hset(&self, buf: &mut Buffer, key: &[u8], field: &[u8], value: &[u8]) {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `hsetnx`
[INFO] [stdout]   --> src/codec/redis.rs:75:12
[INFO] [stdout]    |
[INFO] [stdout] 75 |     pub fn hsetnx(&self, buf: &mut Buffer, key: &[u8], field: &[u8], value: &[u8]) {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `count`
[INFO] [stdout]    --> src/codec/thrift_cache.rs:121:12
[INFO] [stdout]     |
[INFO] [stdout] 121 |     pub fn count(
[INFO] [stdout]     |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `scan`
[INFO] [stdout]    --> src/codec/thrift_cache.rs:423:12
[INFO] [stdout]     |
[INFO] [stdout] 423 |     pub fn scan(
[INFO] [stdout]     |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `index`
[INFO] [stdout]   --> src/codec/mod.rs:51:5
[INFO] [stdout]    |
[INFO] [stdout] 51 |     index: Option<u64>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `refreshed`
[INFO] [stdout]   --> src/stats/snapshot.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 |     refreshed: Instant,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 44s
[INFO] running `Command { std: "docker" "inspect" "8c8c9425cf6f86025be0d61712ed2a0d5d64844760ebd296f528cc71bf170859", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8c8c9425cf6f86025be0d61712ed2a0d5d64844760ebd296f528cc71bf170859", kill_on_drop: false }`
[INFO] [stdout] 8c8c9425cf6f86025be0d61712ed2a0d5d64844760ebd296f528cc71bf170859