[INFO] updating cached repository caldwell/http-log-to-statsd
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/caldwell/http-log-to-statsd
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/caldwell/http-log-to-statsd" "work/ex/pr-62181/sources/master#6ea4036cd20a4b1ab1d56e555108c21735ff6946/gh/caldwell/http-log-to-statsd"`
[INFO] [stderr] Cloning into 'work/ex/pr-62181/sources/master#6ea4036cd20a4b1ab1d56e555108c21735ff6946/gh/caldwell/http-log-to-statsd'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/caldwell/http-log-to-statsd" "work/ex/pr-62181/sources/try#003a7b6b5753e8509fdfe7949d4f0873ba71e4fc/gh/caldwell/http-log-to-statsd"`
[INFO] [stderr] Cloning into 'work/ex/pr-62181/sources/try#003a7b6b5753e8509fdfe7949d4f0873ba71e4fc/gh/caldwell/http-log-to-statsd'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] edfe746898eb08df083bbe37790808df39c3d165
[INFO] sha for GitHub repo caldwell/http-log-to-statsd: edfe746898eb08df083bbe37790808df39c3d165
[INFO] validating manifest of caldwell/http-log-to-statsd on toolchain master#6ea4036cd20a4b1ab1d56e555108c21735ff6946
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+6ea4036cd20a4b1ab1d56e555108c21735ff6946-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of caldwell/http-log-to-statsd on toolchain try#003a7b6b5753e8509fdfe7949d4f0873ba71e4fc
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+003a7b6b5753e8509fdfe7949d4f0873ba71e4fc-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing caldwell/http-log-to-statsd
[INFO] finished frobbing caldwell/http-log-to-statsd
[INFO] frobbed toml for caldwell/http-log-to-statsd written to work/ex/pr-62181/sources/master#6ea4036cd20a4b1ab1d56e555108c21735ff6946/gh/caldwell/http-log-to-statsd/Cargo.toml
[INFO] started frobbing caldwell/http-log-to-statsd
[INFO] finished frobbing caldwell/http-log-to-statsd
[INFO] frobbed toml for caldwell/http-log-to-statsd written to work/ex/pr-62181/sources/try#003a7b6b5753e8509fdfe7949d4f0873ba71e4fc/gh/caldwell/http-log-to-statsd/Cargo.toml
[INFO] crate caldwell/http-log-to-statsd already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+6ea4036cd20a4b1ab1d56e555108c21735ff6946-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+003a7b6b5753e8509fdfe7949d4f0873ba71e4fc-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking caldwell/http-log-to-statsd against try#003a7b6b5753e8509fdfe7949d4f0873ba71e4fc for pr-62181
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-62181/worker-3/try#003a7b6b5753e8509fdfe7949d4f0873ba71e4fc:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-62181/sources/try#003a7b6b5753e8509fdfe7949d4f0873ba71e4fc/gh/caldwell/http-log-to-statsd:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/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" "+003a7b6b5753e8509fdfe7949d4f0873ba71e4fc-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] a02be829fa560a35e2468bd9b054bf472c9da02939755e02164efb235588888d
[INFO] running `"docker" "start" "-a" "a02be829fa560a35e2468bd9b054bf472c9da02939755e02164efb235588888d"`
[INFO] [stderr]     Checking threadpool v1.7.1
[INFO] [stderr]     Checking docopt v0.6.86
[INFO] [stderr]     Checking cadence v0.8.2
[INFO] [stderr]     Checking http-log-to-statsd v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> http-log-to-statsd.rs:124:36
[INFO] [stderr]     |
[INFO] [stderr] 124 |                 let (pred, ifcase, mut elsecase) = (x[0], x[1], if x.len() == 3 {x[2]} else {""});
[INFO] [stderr]     |                                    ----^^^^^^^^
[INFO] [stderr]     |                                    |
[INFO] [stderr]     |                                    help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_mut)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> http-log-to-statsd.rs:124:36
[INFO] [stderr]     |
[INFO] [stderr] 124 |                 let (pred, ifcase, mut elsecase) = (x[0], x[1], if x.len() == 3 {x[2]} else {""});
[INFO] [stderr]     |                                    ----^^^^^^^^
[INFO] [stderr]     |                                    |
[INFO] [stderr]     |                                    help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_mut)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.39s
[INFO] running `"docker" "inspect" "a02be829fa560a35e2468bd9b054bf472c9da02939755e02164efb235588888d"`
[INFO] running `"docker" "rm" "-f" "a02be829fa560a35e2468bd9b054bf472c9da02939755e02164efb235588888d"`
[INFO] [stdout] a02be829fa560a35e2468bd9b054bf472c9da02939755e02164efb235588888d