Dec 13 14:06:15.580 INFO testing khuey/rustc-1.18-regression against try#aa49d8ef14939ddec0e34b346b60174a5673d48f for pr-56550
Dec 13 14:06:15.580 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-4/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-56550/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/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 +aa49d8ef14939ddec0e34b346b60174a5673d48f-alt build --frozen" "-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 13 14:06:15.979 INFO [stdout] 9fcda060410298c7644b367b34c58479f821df90f0c754713af3c2a1a12fe890
Dec 13 14:06:15.983 INFO running `"docker" "start" "-a" "9fcda060410298c7644b367b34c58479f821df90f0c754713af3c2a1a12fe890"`
Dec 13 14:06:17.243 INFO [stderr] usermod: no changes
Dec 13 14:06:17.343 INFO [stderr]    Compiling regression v0.1.0 (/source)
Dec 13 14:06:17.719 INFO [stderr] warning: function is never used: `main`
Dec 13 14:06:17.719 INFO [stderr]  --> src/lib.rs:8:1
Dec 13 14:06:17.719 INFO [stderr]   |
Dec 13 14:06:17.719 INFO [stderr] 8 | fn main() {
Dec 13 14:06:17.719 INFO [stderr]   | ^^^^^^^^^
Dec 13 14:06:17.719 INFO [stderr]   |
Dec 13 14:06:17.719 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 13 14:06:17.719 INFO [stderr] 
Dec 13 14:06:17.779 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.50s
Dec 13 14:06:17.779 INFO [stderr] su: No module specific data is present
Dec 13 14:06:18.308 INFO running `"docker" "inspect" "9fcda060410298c7644b367b34c58479f821df90f0c754713af3c2a1a12fe890"`
Dec 13 14:06:18.497 INFO running `"docker" "rm" "-f" "9fcda060410298c7644b367b34c58479f821df90f0c754713af3c2a1a12fe890"`
Dec 13 14:06:18.740 INFO [stdout] 9fcda060410298c7644b367b34c58479f821df90f0c754713af3c2a1a12fe890
Dec 13 14:06:18.745 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-4/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-56550/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/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 +aa49d8ef14939ddec0e34b346b60174a5673d48f-alt test --frozen --no-run" "-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 13 14:06:19.143 INFO [stdout] 8fdfc2a807413fd595ef76353da0c38ccd5d389eba367f1836e908acc021e0de
Dec 13 14:06:19.148 INFO running `"docker" "start" "-a" "8fdfc2a807413fd595ef76353da0c38ccd5d389eba367f1836e908acc021e0de"`
Dec 13 14:06:20.231 INFO [stderr] usermod: no changes
Dec 13 14:06:20.319 INFO [stderr]    Compiling regression v0.1.0 (/source)
Dec 13 14:06:21.043 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.77s
Dec 13 14:06:21.051 INFO [stderr] su: No module specific data is present
Dec 13 14:06:21.600 INFO running `"docker" "inspect" "8fdfc2a807413fd595ef76353da0c38ccd5d389eba367f1836e908acc021e0de"`
Dec 13 14:06:21.911 INFO running `"docker" "rm" "-f" "8fdfc2a807413fd595ef76353da0c38ccd5d389eba367f1836e908acc021e0de"`
Dec 13 14:06:22.191 INFO [stdout] 8fdfc2a807413fd595ef76353da0c38ccd5d389eba367f1836e908acc021e0de
Dec 13 14:06:22.191 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-4/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-56550/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/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 +aa49d8ef14939ddec0e34b346b60174a5673d48f-alt test --frozen" "-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 13 14:06:22.766 INFO [stdout] 6e80511c6ec64be10be36f2a337af28fb6810b6bc089063f272a816cf7f73bd1
Dec 13 14:06:22.767 INFO running `"docker" "start" "-a" "6e80511c6ec64be10be36f2a337af28fb6810b6bc089063f272a816cf7f73bd1"`
Dec 13 14:06:24.003 INFO [stderr] usermod: no changes
Dec 13 14:06:24.063 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
Dec 13 14:06:24.065 INFO [stderr]      Running /target/debug/deps/regression-87a743296136e995
Dec 13 14:06:24.072 INFO [stdout] 
Dec 13 14:06:24.072 INFO [stdout] running 0 tests
Dec 13 14:06:24.072 INFO [stdout] 
Dec 13 14:06:24.072 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 13 14:06:24.072 INFO [stdout] 
Dec 13 14:06:24.072 INFO [stderr]    Doc-tests regression
Dec 13 14:06:24.570 INFO [stdout] 
Dec 13 14:06:24.570 INFO [stdout] running 0 tests
Dec 13 14:06:24.570 INFO [stdout] 
Dec 13 14:06:24.570 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 13 14:06:24.570 INFO [stdout] 
Dec 13 14:06:24.583 INFO [stderr] su: No module specific data is present
Dec 13 14:06:25.204 INFO running `"docker" "inspect" "6e80511c6ec64be10be36f2a337af28fb6810b6bc089063f272a816cf7f73bd1"`
Dec 13 14:06:25.399 INFO running `"docker" "rm" "-f" "6e80511c6ec64be10be36f2a337af28fb6810b6bc089063f272a816cf7f73bd1"`
Dec 13 14:06:25.571 INFO [stdout] 6e80511c6ec64be10be36f2a337af28fb6810b6bc089063f272a816cf7f73bd1