[INFO] updating cached repository thoughtworks/candouble
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/thoughtworks/candouble
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/thoughtworks/candouble" "work/ex/pr-60914/sources/master#39401465da4ce27aeeb2c2a26133ac35c63aa515/gh/thoughtworks/candouble"`
[INFO] [stderr] Cloning into 'work/ex/pr-60914/sources/master#39401465da4ce27aeeb2c2a26133ac35c63aa515/gh/thoughtworks/candouble'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/thoughtworks/candouble" "work/ex/pr-60914/sources/try#f45cc3094ee337acd688771b9234318046b0572d/gh/thoughtworks/candouble"`
[INFO] [stderr] Cloning into 'work/ex/pr-60914/sources/try#f45cc3094ee337acd688771b9234318046b0572d/gh/thoughtworks/candouble'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] a7475bc45b688f7ccddeaa4fc7c4cebc6d0bbbb0
[INFO] sha for GitHub repo thoughtworks/candouble: a7475bc45b688f7ccddeaa4fc7c4cebc6d0bbbb0
[INFO] validating manifest of thoughtworks/candouble 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 thoughtworks/candouble 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 thoughtworks/candouble
[INFO] finished frobbing thoughtworks/candouble
[INFO] frobbed toml for thoughtworks/candouble written to work/ex/pr-60914/sources/master#39401465da4ce27aeeb2c2a26133ac35c63aa515/gh/thoughtworks/candouble/Cargo.toml
[INFO] started frobbing thoughtworks/candouble
[INFO] finished frobbing thoughtworks/candouble
[INFO] frobbed toml for thoughtworks/candouble written to work/ex/pr-60914/sources/try#f45cc3094ee337acd688771b9234318046b0572d/gh/thoughtworks/candouble/Cargo.toml
[INFO] crate thoughtworks/candouble 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 thoughtworks/candouble against master#39401465da4ce27aeeb2c2a26133ac35c63aa515 for pr-60914
[INFO] running `"docker" "create" "-v" "/mnt/crater-raid/crater/work/local/target-dirs/pr-60914/worker-3/master#39401465da4ce27aeeb2c2a26133ac35c63aa515:/opt/crater/target:rw,Z" "-v" "/mnt/crater-raid/crater/work/ex/pr-60914/sources/master#39401465da4ce27aeeb2c2a26133ac35c63aa515/gh/thoughtworks/candouble:/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] 5f59e9323942b0caeac926bbe56f1e90847ac59e3791768aa8358f3d6f22fdfb
[INFO] running `"docker" "start" "-a" "5f59e9323942b0caeac926bbe56f1e90847ac59e3791768aa8358f3d6f22fdfb"`
[INFO] [stderr]    Compiling rustc-demangle v0.1.10
[INFO] [stderr]    Compiling candouble v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]    Compiling backtrace-sys v0.1.26
[INFO] [stderr]    Compiling rand v0.4.3
[INFO] [stderr]     Checking num_cpus v1.9.0
[INFO] [stderr]     Checking time v0.1.41
[INFO] [stderr]    Compiling serde v1.0.79
[INFO] [stderr]    Compiling ryu v0.2.6
[INFO] [stderr]     Checking crossbeam-epoch v0.6.1
[INFO] [stderr]     Checking mio v0.6.16
[INFO] [stderr]     Checking bincode v1.0.1
[INFO] [stderr]     Checking serde_json v1.0.30
[INFO] [stderr]     Checking memchr v2.1.2
[INFO] [stderr]    Compiling syn v0.15.6
[INFO] [stderr]     Checking h2 v0.1.14
[INFO] [stderr]     Checking futures-cpupool v0.1.8
[INFO] [stderr]     Checking crossbeam-deque v0.6.2
[INFO] [stderr]     Checking aho-corasick v0.6.9
[INFO] [stderr]     Checking chrono v0.4.6
[INFO] [stderr]     Checking cookie v0.11.0
[INFO] [stderr]     Checking regex v1.1.0
[INFO] [stderr]    Compiling tempdir v0.3.7
[INFO] [stderr]     Checking mio-uds v0.6.7
[INFO] [stderr]     Checking backtrace v0.3.11
[INFO] [stderr]    Compiling error-chain v0.12.0
[INFO] [stderr]    Compiling serde_derive v1.0.79
[INFO] [stderr]    Compiling synstructure v0.10.1
[INFO] [stderr]    Compiling gotham_derive v0.3.0
[INFO] [stderr]    Compiling failure_derive v0.1.3
[INFO] [stderr]     Checking failure v0.1.3
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling rand_chacha v0.1.0
[INFO] [stderr]    Compiling parking_lot_core v0.3.1
[INFO] [stderr]    Compiling rand_pcg v0.1.1
[INFO] [stderr]    Compiling rand v0.6.1
[INFO] [stderr]     Checking parking_lot v0.6.4
[INFO] [stderr]     Checking tokio-reactor v0.1.7
[INFO] [stderr]     Checking tokio-uds v0.2.4
[INFO] [stderr]     Checking tokio-tcp v0.1.2
[INFO] [stderr]     Checking tokio-udp v0.1.3
[INFO] [stderr]     Checking tokio-threadpool v0.1.9
[INFO] [stderr]    Compiling cargo_metadata v0.6.4
[INFO] [stderr]     Checking tokio-fs v0.1.4
[INFO] [stderr]     Checking tokio v0.1.13
[INFO] [stderr]    Compiling skeptic v0.13.4
[INFO] [stderr]     Checking hyper v0.12.18
[INFO] [stderr]    Compiling borrow-bag v1.0.0
[INFO] [stderr]     Checking gotham v0.3.0
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 59.58s
[INFO] running `"docker" "inspect" "5f59e9323942b0caeac926bbe56f1e90847ac59e3791768aa8358f3d6f22fdfb"`
[INFO] running `"docker" "rm" "-f" "5f59e9323942b0caeac926bbe56f1e90847ac59e3791768aa8358f3d6f22fdfb"`
[INFO] [stdout] 5f59e9323942b0caeac926bbe56f1e90847ac59e3791768aa8358f3d6f22fdfb