Dec 19 05:30:10.244 INFO checking withoutboats/bpb against master#d99a320cba42f661aebfa1293b7b2ec3603dda75 for pr-56955
Dec 19 05:30:10.245 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-4/master#d99a320cba42f661aebfa1293b7b2ec3603dda75:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/master#d99a320cba42f661aebfa1293b7b2ec3603dda75/gh/withoutboats/bpb:/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" "+d99a320cba42f661aebfa1293b7b2ec3603dda75-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 19 05:30:10.788 INFO [stdout] d36463511274bdee0143c1044a061becb9408b465564ce162baf2ea6e65ae548
Dec 19 05:30:10.791 INFO running `"docker" "start" "-a" "d36463511274bdee0143c1044a061becb9408b465564ce162baf2ea6e65ae548"`
Dec 19 05:30:12.512 INFO [stderr] warning: the cargo feature `edition` is now stable and is no longer necessary to be listed in the manifest
Dec 19 05:30:12.512 INFO [stderr] warning: the cargo feature `rename-dependency` is now stable and is no longer necessary to be listed in the manifest
Dec 19 05:30:12.622 INFO [stderr]    Compiling rand_core v0.2.1
Dec 19 05:30:12.622 INFO [stderr]    Compiling byteorder v1.2.3
Dec 19 05:30:12.632 INFO [stderr]    Compiling subtle v0.6.3
Dec 19 05:30:12.632 INFO [stderr]     Checking arrayref v0.3.4
Dec 19 05:30:12.633 INFO [stderr]     Checking fake-simd v0.1.2
Dec 19 05:30:12.635 INFO [stderr]     Checking hex v0.3.2
Dec 19 05:30:12.635 INFO [stderr]    Compiling clear_on_drop v0.2.3
Dec 19 05:30:13.290 INFO [stderr]    Compiling typenum v1.10.0
Dec 19 05:30:13.624 INFO [stderr]     Checking block-buffer v0.3.3
Dec 19 05:30:13.876 INFO [stderr]    Compiling syn v0.14.4
Dec 19 05:30:14.264 INFO [stderr]     Checking toml v0.4.6
Dec 19 05:30:15.194 INFO [stderr]     Checking digest v0.7.5
Dec 19 05:30:15.284 INFO [stderr]     Checking backtrace v0.3.9
Dec 19 05:30:15.852 INFO [stderr]    Compiling rand v0.5.4
Dec 19 05:30:15.894 INFO [stderr]     Checking sha2 v0.7.1
Dec 19 05:30:17.340 INFO [stderr]     Checking failure v0.1.1
Dec 19 05:30:18.544 INFO [stderr]    Compiling generic-array v0.9.0
Dec 19 05:30:26.089 INFO [stderr]    Compiling curve25519-dalek v0.18.0
Dec 19 05:30:34.361 INFO [stderr]    Compiling serde_derive v1.0.70
Dec 19 05:30:35.640 INFO [stderr]     Checking ed25519-dalek v0.7.0
Dec 19 05:30:36.244 INFO [stderr]     Checking pbp v0.4.0
Dec 19 05:30:47.053 INFO [stderr]     Checking bpb v1.1.0 (/opt/crater/workdir)
Dec 19 05:30:47.116 INFO [stderr] warning[E0705]: the feature `rust_2018_preview` is included in the Rust 2018 edition
Dec 19 05:30:47.120 INFO [stderr]  --> src/main.rs:1:12
Dec 19 05:30:47.120 INFO [stderr]   |
Dec 19 05:30:47.120 INFO [stderr] 1 | #![feature(rust_2018_preview)]
Dec 19 05:30:47.120 INFO [stderr]   |            ^^^^^^^^^^^^^^^^^
Dec 19 05:30:47.120 INFO [stderr] 
Dec 19 05:30:47.126 INFO [stderr] warning[E0705]: the feature `rust_2018_preview` is included in the Rust 2018 edition
Dec 19 05:30:47.126 INFO [stderr]  --> src/main.rs:1:12
Dec 19 05:30:47.126 INFO [stderr]   |
Dec 19 05:30:47.126 INFO [stderr] 1 | #![feature(rust_2018_preview)]
Dec 19 05:30:47.126 INFO [stderr]   |            ^^^^^^^^^^^^^^^^^
Dec 19 05:30:47.126 INFO [stderr] 
Dec 19 05:30:47.692 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 35.19s
Dec 19 05:30:48.732 INFO running `"docker" "inspect" "d36463511274bdee0143c1044a061becb9408b465564ce162baf2ea6e65ae548"`
Dec 19 05:30:49.032 INFO running `"docker" "rm" "-f" "d36463511274bdee0143c1044a061becb9408b465564ce162baf2ea6e65ae548"`
Dec 19 05:30:49.336 INFO [stdout] d36463511274bdee0143c1044a061becb9408b465564ce162baf2ea6e65ae548