[INFO] updating cached repository sxend/rust_study
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/sxend/rust_study
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/sxend/rust_study" "work/ex/pr-60914/sources/master#39401465da4ce27aeeb2c2a26133ac35c63aa515/gh/sxend/rust_study"`
[INFO] [stderr] Cloning into 'work/ex/pr-60914/sources/master#39401465da4ce27aeeb2c2a26133ac35c63aa515/gh/sxend/rust_study'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/sxend/rust_study" "work/ex/pr-60914/sources/try#f45cc3094ee337acd688771b9234318046b0572d/gh/sxend/rust_study"`
[INFO] [stderr] Cloning into 'work/ex/pr-60914/sources/try#f45cc3094ee337acd688771b9234318046b0572d/gh/sxend/rust_study'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] e97ef5bcefdee569d46d37a8cfe474a4f310b41e
[INFO] sha for GitHub repo sxend/rust_study: e97ef5bcefdee569d46d37a8cfe474a4f310b41e
[INFO] validating manifest of sxend/rust_study on toolchain master#39401465da4ce27aeeb2c2a26133ac35c63aa515
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+39401465da4ce27aeeb2c2a26133ac35c63aa515-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of sxend/rust_study on toolchain try#f45cc3094ee337acd688771b9234318046b0572d
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+f45cc3094ee337acd688771b9234318046b0572d-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing sxend/rust_study
[INFO] finished frobbing sxend/rust_study
[INFO] frobbed toml for sxend/rust_study written to work/ex/pr-60914/sources/master#39401465da4ce27aeeb2c2a26133ac35c63aa515/gh/sxend/rust_study/Cargo.toml
[INFO] started frobbing sxend/rust_study
[INFO] finished frobbing sxend/rust_study
[INFO] frobbed toml for sxend/rust_study written to work/ex/pr-60914/sources/try#f45cc3094ee337acd688771b9234318046b0572d/gh/sxend/rust_study/Cargo.toml
[INFO] crate sxend/rust_study already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+39401465da4ce27aeeb2c2a26133ac35c63aa515-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+f45cc3094ee337acd688771b9234318046b0572d-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking sxend/rust_study against master#39401465da4ce27aeeb2c2a26133ac35c63aa515 for pr-60914
[INFO] running `"docker" "create" "-v" "/mnt/crater-raid/crater/work/local/target-dirs/pr-60914/worker-0/master#39401465da4ce27aeeb2c2a26133ac35c63aa515:/opt/crater/target:rw,Z" "-v" "/mnt/crater-raid/crater/work/ex/pr-60914/sources/master#39401465da4ce27aeeb2c2a26133ac35c63aa515/gh/sxend/rust_study:/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" "+39401465da4ce27aeeb2c2a26133ac35c63aa515-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] c154854fbc07f357a4a5cfe778b1e22575e384a8febfcb6711de445bb41c463f
[INFO] running `"docker" "start" "-a" "c154854fbc07f357a4a5cfe778b1e22575e384a8febfcb6711de445bb41c463f"`
[INFO] [stderr]    Compiling ring v0.13.5
[INFO] [stderr]    Compiling miniz-sys v0.1.11
[INFO] [stderr]    Compiling brotli-sys v0.3.2
[INFO] [stderr]    Compiling rand v0.5.5
[INFO] [stderr]     Checking backtrace-sys v0.1.24
[INFO] [stderr]     Checking memchr v0.1.11
[INFO] [stderr]     Checking memchr v1.0.2
[INFO] [stderr]     Checking uuid v0.7.1
[INFO] [stderr]    Compiling syn v0.15.22
[INFO] [stderr]     Checking tempdir v0.3.7
[INFO] [stderr]     Checking futures-cpupool v0.1.8
[INFO] [stderr]     Checking hyper v0.10.15
[INFO] [stderr]     Checking thread-id v2.0.0
[INFO] [stderr]     Checking twoway v0.1.8
[INFO] [stderr]     Checking http v0.1.14
[INFO] [stderr]     Checking mio-uds v0.6.7
[INFO] [stderr]     Checking rust-crypto v0.2.36
[INFO] [stderr]     Checking thread_local v0.2.7
[INFO] [stderr]     Checking backtrace v0.3.11
[INFO] [stderr]     Checking tokio-threadpool v0.1.9
[INFO] [stderr]     Checking parking_lot_core v0.4.0
[INFO] [stderr]     Checking buf_redux v0.6.3
[INFO] [stderr]     Checking aho-corasick v0.5.3
[INFO] [stderr]     Checking tokio-udp v0.1.3
[INFO] [stderr]     Checking tokio-uds v0.2.4
[INFO] [stderr]     Checking tokio-signal v0.2.7
[INFO] [stderr]     Checking parking_lot v0.7.0
[INFO] [stderr]     Checking regex v0.1.80
[INFO] [stderr]     Checking tokio-fs v0.1.4
[INFO] [stderr]     Checking crossbeam-channel v0.3.3
[INFO] [stderr]     Checking flate2 v1.0.6
[INFO] [stderr]     Checking tokio v0.1.13
[INFO] [stderr]     Checking markdown v0.2.0
[INFO] [stderr]    Compiling phf_generator v0.7.23
[INFO] [stderr]     Checking tokio-core v0.1.17
[INFO] [stderr]    Compiling phf_codegen v0.7.23
[INFO] [stderr]    Compiling mime_guess v1.8.6
[INFO] [stderr]    Compiling mime_guess v2.0.0-alpha.6
[INFO] [stderr]     Checking cookie v0.11.0
[INFO] [stderr]     Checking h2 v0.1.13
[INFO] [stderr]     Checking iron v0.6.0
[INFO] [stderr]     Checking multipart v0.13.6
[INFO] [stderr]     Checking persistent v0.4.0
[INFO] [stderr]     Checking router v0.6.0
[INFO] [stderr]     Checking bodyparser v0.8.0
[INFO] [stderr]     Checking urlencoded v0.6.0
[INFO] [stderr]     Checking brotli2 v0.3.2
[INFO] [stderr]     Checking params v0.8.0
[INFO] [stderr]     Checking hyper v0.12.18
[INFO] [stderr]    Compiling synstructure v0.10.1
[INFO] [stderr]    Compiling actix_derive v0.3.2
[INFO] [stderr]    Compiling serde_derive v1.0.82
[INFO] [stderr]    Compiling failure_derive v0.1.3
[INFO] [stderr]     Checking failure v0.1.3
[INFO] [stderr]     Checking trust-dns-proto v0.5.0
[INFO] [stderr]     Checking trust-dns-resolver v0.10.0
[INFO] [stderr]     Checking docopt v1.0.2
[INFO] [stderr]     Checking actix v0.7.9
[INFO] [stderr]     Checking actix-net v0.2.5
[INFO] [stderr]     Checking actix-web v0.7.16
[INFO] [stderr]     Checking rust_study v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `serde`
[INFO] [stderr]  --> src/bin/actix_sample.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 | use serde;
[INFO] [stderr]   |     ^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `serde`
[INFO] [stderr]  --> src/bin/actix_sample.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 | use serde;
[INFO] [stderr]   |     ^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 06s
[INFO] running `"docker" "inspect" "c154854fbc07f357a4a5cfe778b1e22575e384a8febfcb6711de445bb41c463f"`
[INFO] running `"docker" "rm" "-f" "c154854fbc07f357a4a5cfe778b1e22575e384a8febfcb6711de445bb41c463f"`
[INFO] [stdout] c154854fbc07f357a4a5cfe778b1e22575e384a8febfcb6711de445bb41c463f