[INFO] updating cached repository walfie/petronel
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/walfie/petronel
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/walfie/petronel" "work/ex/pr-58592/sources/master#f66e4697ae286985ddefc53c3a047614568458bb/gh/walfie/petronel"`
[INFO] [stderr] Cloning into 'work/ex/pr-58592/sources/master#f66e4697ae286985ddefc53c3a047614568458bb/gh/walfie/petronel'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/walfie/petronel" "work/ex/pr-58592/sources/try#c3b22200e6f5b70eb1f99ae6944d989ae17a458a/gh/walfie/petronel"`
[INFO] [stderr] Cloning into 'work/ex/pr-58592/sources/try#c3b22200e6f5b70eb1f99ae6944d989ae17a458a/gh/walfie/petronel'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] cd40352b845a095fef7a3836b5e7c96b751f1373
[INFO] sha for GitHub repo walfie/petronel: cd40352b845a095fef7a3836b5e7c96b751f1373
[INFO] validating manifest of walfie/petronel on toolchain master#f66e4697ae286985ddefc53c3a047614568458bb
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+f66e4697ae286985ddefc53c3a047614568458bb-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of walfie/petronel on toolchain try#c3b22200e6f5b70eb1f99ae6944d989ae17a458a
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c3b22200e6f5b70eb1f99ae6944d989ae17a458a-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing walfie/petronel
[INFO] finished frobbing walfie/petronel
[INFO] frobbed toml for walfie/petronel written to work/ex/pr-58592/sources/master#f66e4697ae286985ddefc53c3a047614568458bb/gh/walfie/petronel/Cargo.toml
[INFO] started frobbing walfie/petronel
[INFO] finished frobbing walfie/petronel
[INFO] frobbed toml for walfie/petronel written to work/ex/pr-58592/sources/try#c3b22200e6f5b70eb1f99ae6944d989ae17a458a/gh/walfie/petronel/Cargo.toml
[INFO] crate walfie/petronel has a lockfile. skipping
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+f66e4697ae286985ddefc53c3a047614568458bb-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c3b22200e6f5b70eb1f99ae6944d989ae17a458a-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking walfie/petronel against master#f66e4697ae286985ddefc53c3a047614568458bb for pr-58592
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-58592/worker-7/master#f66e4697ae286985ddefc53c3a047614568458bb:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-58592/sources/master#f66e4697ae286985ddefc53c3a047614568458bb/gh/walfie/petronel:/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" "+f66e4697ae286985ddefc53c3a047614568458bb-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 67a2a873a0940ccfb9d37b436e42e752947097a38c6d7d773bf7e3d7a7e5866e
[INFO] running `"docker" "start" "-a" "67a2a873a0940ccfb9d37b436e42e752947097a38c6d7d773bf7e3d7a7e5866e"`
[INFO] [stderr]    Compiling gcc v0.3.53
[INFO] [stderr]    Compiling libc v0.2.30
[INFO] [stderr]    Compiling either v1.1.0
[INFO] [stderr]    Compiling scopeguard v0.3.2
[INFO] [stderr]    Compiling lazy_static v0.2.8
[INFO] [stderr]    Compiling futures v0.1.15
[INFO] [stderr]    Compiling openssl v0.9.17
[INFO] [stderr]     Checking serde v1.0.14
[INFO] [stderr]     Checking itoa v0.3.3
[INFO] [stderr]     Checking inflate v0.2.0
[INFO] [stderr]     Checking precomputed-hash v0.1.0
[INFO] [stderr]     Checking base64 v0.5.2
[INFO] [stderr]    Compiling coco v0.1.1
[INFO] [stderr]     Checking base64 v0.6.0
[INFO] [stderr]     Checking deflate v0.7.16
[INFO] [stderr]     Checking iovec v0.1.0
[INFO] [stderr]     Checking net2 v0.2.31
[INFO] [stderr]     Checking rand v0.3.16
[INFO] [stderr]     Checking num_cpus v1.6.2
[INFO] [stderr]     Checking time v0.1.38
[INFO] [stderr]     Checking memchr v1.0.1
[INFO] [stderr]     Checking num-rational v0.1.39
[INFO] [stderr]     Checking thread_local v0.3.4
[INFO] [stderr]    Compiling openssl-sys v0.9.17
[INFO] [stderr]    Compiling backtrace-sys v0.1.12
[INFO] [stderr]     Checking bytes v0.4.5
[INFO] [stderr]     Checking mio v0.6.10
[INFO] [stderr]     Checking aho-corasick v0.6.3
[INFO] [stderr]     Checking tokio-service v0.1.0
[INFO] [stderr]     Checking futures-cpupool v0.1.5
[INFO] [stderr]     Checking num v0.1.40
[INFO] [stderr]     Checking png v0.8.0
[INFO] [stderr]     Checking rayon-core v1.2.1
[INFO] [stderr]     Checking url v1.5.1
[INFO] [stderr]     Checking regex v0.2.2
[INFO] [stderr]     Checking tokio-io v0.1.3
[INFO] [stderr]    Compiling phf_generator v0.7.21
[INFO] [stderr]    Compiling serde_derive v1.0.14
[INFO] [stderr]     Checking mime v0.3.3
[INFO] [stderr]     Checking rayon v0.8.2
[INFO] [stderr]    Compiling string_cache_codegen v0.4.0
[INFO] [stderr]     Checking tokio-core v0.1.9
[INFO] [stderr]    Compiling rayon v0.7.1
[INFO] [stderr]     Checking tokio-proto v0.1.1
[INFO] [stderr]     Checking chrono v0.4.0
[INFO] [stderr]     Checking serde_json v1.0.3
[INFO] [stderr]     Checking jpeg-decoder v0.1.13
[INFO] [stderr]    Compiling string_cache v0.6.2
[INFO] [stderr]    Compiling ring v0.9.7
[INFO] [stderr]     Checking hyper v0.11.2
[INFO] [stderr]     Checking native-tls v0.1.4
[INFO] [stderr]     Checking image v0.14.0
[INFO] [stderr]     Checking tokio-tls v0.1.3
[INFO] [stderr]     Checking twitter-stream-message v0.2.0
[INFO] [stderr]     Checking oauthcli v1.0.6
[INFO] [stderr]     Checking backtrace v0.3.3
[INFO] [stderr]     Checking error-chain v0.10.0
[INFO] [stderr]     Checking hyper-tls v0.1.2
[INFO] [stderr]     Checking twitter-stream v0.5.3
[INFO] [stderr]     Checking petronel v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: method is never used: `as_slices`
[INFO] [stderr]   --> src/circular_buffer.rs:24:5
[INFO] [stderr]    |
[INFO] [stderr] 24 |     pub fn as_slices(&self) -> (&[T], &[T]) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 12s
[INFO] running `"docker" "inspect" "67a2a873a0940ccfb9d37b436e42e752947097a38c6d7d773bf7e3d7a7e5866e"`
[INFO] running `"docker" "rm" "-f" "67a2a873a0940ccfb9d37b436e42e752947097a38c6d7d773bf7e3d7a7e5866e"`
[INFO] [stdout] 67a2a873a0940ccfb9d37b436e42e752947097a38c6d7d773bf7e3d7a7e5866e