[INFO] updating cached repository nuclearfurnace/synchrotron
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/nuclearfurnace/synchrotron
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/nuclearfurnace/synchrotron" "work/ex/pr-61100/sources/master#8869ee03d7f258e1b76a11c6fbb01b5708a9f504/gh/nuclearfurnace/synchrotron"`
[INFO] [stderr] Cloning into 'work/ex/pr-61100/sources/master#8869ee03d7f258e1b76a11c6fbb01b5708a9f504/gh/nuclearfurnace/synchrotron'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/nuclearfurnace/synchrotron" "work/ex/pr-61100/sources/try#58b21121d0b447ceb3f1a655155d802191acf044/gh/nuclearfurnace/synchrotron"`
[INFO] [stderr] Cloning into 'work/ex/pr-61100/sources/try#58b21121d0b447ceb3f1a655155d802191acf044/gh/nuclearfurnace/synchrotron'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] d071c1b4e1836e83ad39d4afd248a20f09df212a
[INFO] sha for GitHub repo nuclearfurnace/synchrotron: d071c1b4e1836e83ad39d4afd248a20f09df212a
[INFO] validating manifest of nuclearfurnace/synchrotron on toolchain master#8869ee03d7f258e1b76a11c6fbb01b5708a9f504
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+8869ee03d7f258e1b76a11c6fbb01b5708a9f504-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of nuclearfurnace/synchrotron on toolchain try#58b21121d0b447ceb3f1a655155d802191acf044
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+58b21121d0b447ceb3f1a655155d802191acf044-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing nuclearfurnace/synchrotron
[INFO] finished frobbing nuclearfurnace/synchrotron
[INFO] frobbed toml for nuclearfurnace/synchrotron written to work/ex/pr-61100/sources/master#8869ee03d7f258e1b76a11c6fbb01b5708a9f504/gh/nuclearfurnace/synchrotron/Cargo.toml
[INFO] started frobbing nuclearfurnace/synchrotron
[INFO] finished frobbing nuclearfurnace/synchrotron
[INFO] frobbed toml for nuclearfurnace/synchrotron written to work/ex/pr-61100/sources/try#58b21121d0b447ceb3f1a655155d802191acf044/gh/nuclearfurnace/synchrotron/Cargo.toml
[INFO] crate nuclearfurnace/synchrotron already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+8869ee03d7f258e1b76a11c6fbb01b5708a9f504-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+58b21121d0b447ceb3f1a655155d802191acf044-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache lock
[INFO] checking nuclearfurnace/synchrotron against try#58b21121d0b447ceb3f1a655155d802191acf044 for pr-61100
[INFO] running `"docker" "create" "-v" "/mnt/crater-raid/crater/work/local/target-dirs/pr-61100/worker-5/try#58b21121d0b447ceb3f1a655155d802191acf044:/opt/crater/target:rw,Z" "-v" "/mnt/crater-raid/crater/work/ex/pr-61100/sources/try#58b21121d0b447ceb3f1a655155d802191acf044/gh/nuclearfurnace/synchrotron:/opt/crater/workdir:ro,Z" "-v" "/mnt/crater-raid/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/crater-raid/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+58b21121d0b447ceb3f1a655155d802191acf044-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] aeb41c1806157c0e777718dbe292b2a62c9b6063cc5d268437380fe7052ab099
[INFO] running `"docker" "start" "-a" "aeb41c1806157c0e777718dbe292b2a62c9b6063cc5d268437380fe7052ab099"`
[INFO] [stderr]    Compiling memchr v2.2.0
[INFO] [stderr]    Compiling synchrotron v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Checking tower v0.1.0 (https://github.com/nuclearfurnace/tower#afeed66a)
[INFO] [stderr]     Checking log v0.4.6
[INFO] [stderr]     Checking tokio-sync v0.1.2
[INFO] [stderr]     Checking tower-direct-service v0.1.0 (https://github.com/nuclearfurnace/tower#afeed66a)
[INFO] [stderr]     Checking tower-service v0.2.0 (https://github.com/nuclearfurnace/tower#afeed66a)
[INFO] [stderr]     Checking futures-turnstyle v3.0.0
[INFO] [stderr]     Checking quanta v0.1.0
[INFO] [stderr]     Checking isatty v0.1.9
[INFO] [stderr]     Checking btoi v0.4.0
[INFO] [stderr]     Checking miniz-sys v0.1.11
[INFO] [stderr]     Checking rand v0.3.23
[INFO] [stderr]     Checking slog-async v2.3.0
[INFO] [stderr]     Checking num-bigint v0.1.44
[INFO] [stderr]     Checking chrono v0.4.6
[INFO] [stderr]     Checking tokio-evacuate v1.1.1
[INFO] [stderr]     Checking input_buffer v0.2.0
[INFO] [stderr]     Checking serde_urlencoded v0.5.4
[INFO] [stderr]    Compiling headers-derive v0.1.0
[INFO] [stderr]     Checking flate2 v1.0.6
[INFO] [stderr]     Checking pruefung v0.2.1
[INFO] [stderr]     Checking headers-core v0.1.0
[INFO] [stderr]    Compiling phf_macros v0.7.24
[INFO] [stderr]     Checking slog-scope v4.1.1
[INFO] [stderr]     Checking rust-crypto v0.2.36
[INFO] [stderr]     Checking mio v0.6.16
[INFO] [stderr]     Checking tokio-io v0.1.11
[INFO] [stderr]     Checking tokio-threadpool v0.1.11
[INFO] [stderr]     Checking want v0.0.6
[INFO] [stderr]     Checking tungstenite v0.6.1
[INFO] [stderr]     Checking log v0.3.9
[INFO] [stderr]     Checking tower-buffer v0.1.0 (https://github.com/nuclearfurnace/tower#afeed66a)
[INFO] [stderr]     Checking slog-stdlog v3.0.2
[INFO] [stderr]     Checking nom v4.2.1
[INFO] [stderr]     Checking headers v0.2.1
[INFO] [stderr]     Checking tokio-codec v0.1.1
[INFO] [stderr]     Checking h2 v0.1.16
[INFO] [stderr]     Checking num-rational v0.1.42
[INFO] [stderr]     Checking slog-term v2.4.0
[INFO] [stderr]     Checking num v0.1.42
[INFO] [stderr]     Checking tokio-fs v0.1.5
[INFO] [stderr]     Checking mio-uds v0.6.7
[INFO] [stderr]     Checking tokio-reactor v0.1.8
[INFO] [stderr]     Checking spectral v0.6.0
[INFO] [stderr]     Checking phf v0.7.24
[INFO] [stderr]     Checking hdrhistogram v6.1.1
[INFO] [stderr]     Checking config v0.9.2
[INFO] [stderr]     Checking tokio-uds v0.2.5
[INFO] [stderr]     Checking tokio-tcp v0.1.3
[INFO] [stderr]     Checking tokio-udp v0.1.3
[INFO] [stderr]     Checking mime_guess v2.0.0-alpha.6
[INFO] [stderr]     Checking hotmic v0.7.1
[INFO] [stderr]     Checking tokio v0.1.15
[INFO] [stderr]     Checking hyper v0.12.24
[INFO] [stderr]     Checking tokio-io-pool v0.1.5
[INFO] [stderr]     Checking warp v0.1.13
[INFO] [stderr] warning: the item `Error` is imported redundantly
[INFO] [stderr]   --> src/backend/errors.rs:92:13
[INFO] [stderr]    |
[INFO] [stderr] 23 |     error::{self, Error},
[INFO] [stderr]    |                   ----- the item `Error` is already imported here
[INFO] [stderr] ...
[INFO] [stderr] 92 |         use std::error::Error;
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: the item `Error` is imported redundantly
[INFO] [stderr]   --> src/backend/errors.rs:92:13
[INFO] [stderr]    |
[INFO] [stderr] 23 |     error::{self, Error},
[INFO] [stderr]    |                   ----- the item `Error` is already imported here
[INFO] [stderr] ...
[INFO] [stderr] 92 |         use std::error::Error;
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `noreply`
[INFO] [stderr]   --> src/backend/pool.rs:48:5
[INFO] [stderr]    |
[INFO] [stderr] 48 |     noreply: bool,
[INFO] [stderr]    |     ^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `sink`
[INFO] [stderr]   --> src/backend/pool.rs:50:5
[INFO] [stderr]    |
[INFO] [stderr] 50 |     sink: MetricSink<&'static str>,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `set_noreply`
[INFO] [stderr]    --> src/backend/pool.rs:200:5
[INFO] [stderr]     |
[INFO] [stderr] 200 |     pub fn set_noreply(mut self, noreply: bool) -> Self {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `sink`
[INFO] [stderr]    --> src/backend/mod.rs:276:5
[INFO] [stderr]     |
[INFO] [stderr] 276 |     sink: MetricSink<&'static str>,
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `REDIS_STATUS_BUF`
[INFO] [stderr]   --> src/protocol/redis/mod.rs:43:1
[INFO] [stderr]    |
[INFO] [stderr] 43 | const REDIS_STATUS_BUF: [u8; 1] = [REDIS_COMMAND_STATUS];
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `from_status`
[INFO] [stderr]    --> src/protocol/redis/mod.rs:131:5
[INFO] [stderr]     |
[INFO] [stderr] 131 |     pub fn from_status(status_str: &str) -> RedisMessage {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `noreply`
[INFO] [stderr]   --> src/backend/pool.rs:48:5
[INFO] [stderr]    |
[INFO] [stderr] 48 |     noreply: bool,
[INFO] [stderr]    |     ^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `sink`
[INFO] [stderr]   --> src/backend/pool.rs:50:5
[INFO] [stderr]    |
[INFO] [stderr] 50 |     sink: MetricSink<&'static str>,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `set_noreply`
[INFO] [stderr]    --> src/backend/pool.rs:200:5
[INFO] [stderr]     |
[INFO] [stderr] 200 |     pub fn set_noreply(mut self, noreply: bool) -> Self {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `sink`
[INFO] [stderr]    --> src/backend/mod.rs:276:5
[INFO] [stderr]     |
[INFO] [stderr] 276 |     sink: MetricSink<&'static str>,
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 30.21s
[INFO] running `"docker" "inspect" "aeb41c1806157c0e777718dbe292b2a62c9b6063cc5d268437380fe7052ab099"`
[INFO] running `"docker" "rm" "-f" "aeb41c1806157c0e777718dbe292b2a62c9b6063cc5d268437380fe7052ab099"`
[INFO] [stdout] aeb41c1806157c0e777718dbe292b2a62c9b6063cc5d268437380fe7052ab099