Dec 11 06:07:13.645 INFO checking withoutboats/bpb against master#3a75e80557a103497cffbcab395a2f37061a77ea for pr-56677
Dec 11 06:07:13.645 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56677/worker-0/master#3a75e80557a103497cffbcab395a2f37061a77ea:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/pr-56677/master#3a75e80557a103497cffbcab395a2f37061a77ea:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +3a75e80557a103497cffbcab395a2f37061a77ea-alt check --frozen --all --all-targets" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 11 06:07:14.080 INFO [stdout] 68df22082416a3b4079ebc9dbbba564bb708e27655b0fd841c5d4cba65f3a574
Dec 11 06:07:14.082 INFO running `"docker" "start" "-a" "68df22082416a3b4079ebc9dbbba564bb708e27655b0fd841c5d4cba65f3a574"`
Dec 11 06:07:16.019 INFO [stderr] usermod: no changes
Dec 11 06:07:16.048 INFO [stderr] warning: the cargo feature `edition` is now stable and is no longer necessary to be listed in the manifest
Dec 11 06:07:16.048 INFO [stderr] warning: the cargo feature `rename-dependency` is now stable and is no longer necessary to be listed in the manifest
Dec 11 06:07:16.190 INFO [stderr]    Compiling rand_core v0.2.1
Dec 11 06:07:16.190 INFO [stderr]    Compiling subtle v0.6.3
Dec 11 06:07:16.196 INFO [stderr]    Compiling byteorder v1.2.3
Dec 11 06:07:16.236 INFO [stderr]    Compiling clear_on_drop v0.2.3
Dec 11 06:07:16.260 INFO [stderr]     Checking base64 v0.9.2
Dec 11 06:07:16.260 INFO [stderr]    Compiling typenum v1.10.0
Dec 11 06:07:16.260 INFO [stderr]    Compiling syn v0.14.4
Dec 11 06:07:17.928 INFO [stderr]     Checking toml v0.4.6
Dec 11 06:07:18.608 INFO [stderr]     Checking digest v0.7.5
Dec 11 06:07:19.593 INFO [stderr]     Checking sha2 v0.7.1
Dec 11 06:07:20.124 INFO [stderr]    Compiling rand v0.5.4
Dec 11 06:07:24.164 INFO [stderr]    Compiling generic-array v0.9.0
Dec 11 06:07:27.757 INFO [stderr]    Compiling curve25519-dalek v0.18.0
Dec 11 06:07:35.870 INFO [stderr]    Compiling serde_derive v1.0.70
Dec 11 06:07:37.437 INFO [stderr]     Checking ed25519-dalek v0.7.0
Dec 11 06:07:38.302 INFO [stderr]     Checking pbp v0.4.0
Dec 11 06:07:52.230 INFO [stderr]     Checking bpb v1.1.0 (/source)
Dec 11 06:07:52.404 INFO [stderr] warning[E0705]: the feature `rust_2018_preview` is included in the Rust 2018 edition
Dec 11 06:07:52.404 INFO [stderr]  --> src/main.rs:1:12
Dec 11 06:07:52.404 INFO [stderr]   |
Dec 11 06:07:52.404 INFO [stderr] 1 | #![feature(rust_2018_preview)]
Dec 11 06:07:52.404 INFO [stderr]   |            ^^^^^^^^^^^^^^^^^
Dec 11 06:07:52.404 INFO [stderr] 
Dec 11 06:07:52.444 INFO [stderr] warning[E0705]: the feature `rust_2018_preview` is included in the Rust 2018 edition
Dec 11 06:07:52.444 INFO [stderr]  --> src/main.rs:1:12
Dec 11 06:07:52.444 INFO [stderr]   |
Dec 11 06:07:52.444 INFO [stderr] 1 | #![feature(rust_2018_preview)]
Dec 11 06:07:52.444 INFO [stderr]   |            ^^^^^^^^^^^^^^^^^
Dec 11 06:07:52.444 INFO [stderr] 
Dec 11 06:07:53.625 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 37.58s
Dec 11 06:07:53.636 INFO [stderr] su: No module specific data is present
Dec 11 06:07:54.888 INFO running `"docker" "inspect" "68df22082416a3b4079ebc9dbbba564bb708e27655b0fd841c5d4cba65f3a574"`
Dec 11 06:07:55.219 INFO running `"docker" "rm" "-f" "68df22082416a3b4079ebc9dbbba564bb708e27655b0fd841c5d4cba65f3a574"`
Dec 11 06:07:55.516 INFO [stdout] 68df22082416a3b4079ebc9dbbba564bb708e27655b0fd841c5d4cba65f3a574