Dec 05 11:42:07.514 INFO checking iota-lib-rs-preview-0.1.6 against try#1df97983eb2057dc6a8f7eb364e263b51ae23230 for pr-56481
Dec 05 11:42:07.514 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-4/try#1df97983eb2057dc6a8f7eb364e263b51ae23230:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-56481/try#1df97983eb2057dc6a8f7eb364e263b51ae23230:/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 +1df97983eb2057dc6a8f7eb364e263b51ae23230-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 05 11:42:07.943 INFO [stdout] aead940df68eec641c0573c5dae4f198a5c0d26f9dc5051cd419ac251571059b
Dec 05 11:42:07.946 INFO running `"docker" "start" "-a" "aead940df68eec641c0573c5dae4f198a5c0d26f9dc5051cd419ac251571059b"`
Dec 05 11:42:08.946 INFO [stderr] usermod: no changes
Dec 05 11:42:09.034 INFO [stderr] warning: the cargo feature `edition` is now stable and is no longer necessary to be listed in the manifest
Dec 05 11:42:09.348 INFO [stderr]    Compiling crunchy v0.2.1
Dec 05 11:42:09.351 INFO [stderr]     Checking futures-core-preview v0.3.0-alpha.10
Dec 05 11:42:09.359 INFO [stderr]     Checking criterion-plot v0.2.5
Dec 05 11:42:09.380 INFO [stderr]     Checking crossbeam-channel v0.2.6
Dec 05 11:42:11.036 INFO [stderr]     Checking futures-channel-preview v0.3.0-alpha.10
Dec 05 11:42:11.037 INFO [stderr]     Checking futures-io-preview v0.3.0-alpha.10
Dec 05 11:42:12.167 INFO [stderr]     Checking criterion v0.2.5
Dec 05 11:42:13.699 INFO [stderr]     Checking futures-sink-preview v0.3.0-alpha.10
Dec 05 11:42:15.207 INFO [stderr]     Checking futures-util-preview v0.3.0-alpha.10
Dec 05 11:42:15.303 INFO [stderr]     Checking crossbeam v0.4.1
Dec 05 11:42:20.363 INFO [stderr]     Checking futures-executor-preview v0.3.0-alpha.10
Dec 05 11:42:21.786 INFO [stderr]     Checking futures-preview v0.3.0-alpha.10
Dec 05 11:42:23.109 INFO [stderr]     Checking iota-lib-rs-preview v0.1.6 (/source)
Dec 05 11:42:23.207 INFO [stderr] warning[E0705]: the feature `rust_2018_preview` is included in the Rust 2018 edition
Dec 05 11:42:23.207 INFO [stderr]   --> src/lib.rs:45:12
Dec 05 11:42:23.207 INFO [stderr]    |
Dec 05 11:42:23.207 INFO [stderr] 45 | #![feature(rust_2018_preview)]
Dec 05 11:42:23.207 INFO [stderr]    |            ^^^^^^^^^^^^^^^^^
Dec 05 11:42:23.207 INFO [stderr] 
Dec 05 11:42:23.323 INFO [stderr] warning[E0705]: the feature `rust_2018_preview` is included in the Rust 2018 edition
Dec 05 11:42:23.323 INFO [stderr]   --> src/lib.rs:45:12
Dec 05 11:42:23.323 INFO [stderr]    |
Dec 05 11:42:23.323 INFO [stderr] 45 | #![feature(rust_2018_preview)]
Dec 05 11:42:23.323 INFO [stderr]    |            ^^^^^^^^^^^^^^^^^
Dec 05 11:42:23.323 INFO [stderr] 
Dec 05 11:42:47.930 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 38.96s
Dec 05 11:42:47.953 INFO [stderr] su: No module specific data is present
Dec 05 11:42:48.324 INFO running `"docker" "inspect" "aead940df68eec641c0573c5dae4f198a5c0d26f9dc5051cd419ac251571059b"`
Dec 05 11:42:48.448 INFO running `"docker" "rm" "-f" "aead940df68eec641c0573c5dae4f198a5c0d26f9dc5051cd419ac251571059b"`
Dec 05 11:42:48.531 INFO [stdout] aead940df68eec641c0573c5dae4f198a5c0d26f9dc5051cd419ac251571059b