Dec 06 19:21:00.242 INFO testing trek-0.3.1 against master#906deae0790bd18681b937fe9a141a3c26cf1855 for pr-56514
Dec 06 19:21:00.242 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-6/master#906deae0790bd18681b937fe9a141a3c26cf1855:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/pr-56514/master#906deae0790bd18681b937fe9a141a3c26cf1855:/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 +906deae0790bd18681b937fe9a141a3c26cf1855-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 06 19:21:00.644 INFO [stdout] 10a44d0960ebb12d3b72d3013db6d39ae9f409a05dc01e4bc2762e9f15c72b2b
Dec 06 19:21:00.650 INFO running `"docker" "start" "-a" "10a44d0960ebb12d3b72d3013db6d39ae9f409a05dc01e4bc2762e9f15c72b2b"`
Dec 06 19:21:01.824 INFO [stderr] usermod: no changes
Dec 06 19:21:01.900 INFO [stderr] warning: An explicit [[example]] section is specified in Cargo.toml which currently
Dec 06 19:21:01.900 INFO [stderr] disables Cargo from automatically inferring other example targets.
Dec 06 19:21:01.900 INFO [stderr] This inference behavior will change in the Rust 2018 edition and the following
Dec 06 19:21:01.900 INFO [stderr] files will be included as a example target:
Dec 06 19:21:01.900 INFO [stderr] 
Dec 06 19:21:01.900 INFO [stderr] * /source/examples/migration_index.rs
Dec 06 19:21:01.900 INFO [stderr] 
Dec 06 19:21:01.900 INFO [stderr] This is likely to break cargo build or cargo test as these files may not be
Dec 06 19:21:01.900 INFO [stderr] ready to be compiled as a example target today. You can future-proof yourself
Dec 06 19:21:01.900 INFO [stderr] and disable this warning by adding `autoexamples = false` to your [package]
Dec 06 19:21:01.900 INFO [stderr] section. You may also move the files to a location where Cargo would not
Dec 06 19:21:01.900 INFO [stderr] automatically infer them to be a target, such as in subfolders.
Dec 06 19:21:01.900 INFO [stderr] 
Dec 06 19:21:01.900 INFO [stderr] For more information on this warning you can consult
Dec 06 19:21:01.900 INFO [stderr] https://github.com/rust-lang/cargo/issues/5330
Dec 06 19:21:02.105 INFO [stderr]    Compiling postgres-shared v0.4.2
Dec 06 19:21:07.126 INFO [stderr]    Compiling postgres v0.15.2
Dec 06 19:21:11.557 INFO [stderr]    Compiling trek v0.3.1 (/source)
Dec 06 19:21:14.854 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 13.00s
Dec 06 19:21:14.868 INFO [stderr] su: No module specific data is present
Dec 06 19:21:15.350 INFO running `"docker" "inspect" "10a44d0960ebb12d3b72d3013db6d39ae9f409a05dc01e4bc2762e9f15c72b2b"`
Dec 06 19:21:15.590 INFO running `"docker" "rm" "-f" "10a44d0960ebb12d3b72d3013db6d39ae9f409a05dc01e4bc2762e9f15c72b2b"`
Dec 06 19:21:15.848 INFO [stdout] 10a44d0960ebb12d3b72d3013db6d39ae9f409a05dc01e4bc2762e9f15c72b2b
Dec 06 19:21:15.850 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-6/master#906deae0790bd18681b937fe9a141a3c26cf1855:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/pr-56514/master#906deae0790bd18681b937fe9a141a3c26cf1855:/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 +906deae0790bd18681b937fe9a141a3c26cf1855-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 06 19:21:16.332 INFO [stdout] c05df820030a631af3cbec08cd730d16c5a4697a27a0d6ed6da5d6b814a3553f
Dec 06 19:21:16.337 INFO running `"docker" "start" "-a" "c05df820030a631af3cbec08cd730d16c5a4697a27a0d6ed6da5d6b814a3553f"`
Dec 06 19:21:17.440 INFO [stderr] usermod: no changes
Dec 06 19:21:17.480 INFO [stderr] warning: An explicit [[example]] section is specified in Cargo.toml which currently
Dec 06 19:21:17.483 INFO [stderr] disables Cargo from automatically inferring other example targets.
Dec 06 19:21:17.483 INFO [stderr] This inference behavior will change in the Rust 2018 edition and the following
Dec 06 19:21:17.483 INFO [stderr] files will be included as a example target:
Dec 06 19:21:17.483 INFO [stderr] 
Dec 06 19:21:17.483 INFO [stderr] * /source/examples/migration_index.rs
Dec 06 19:21:17.483 INFO [stderr] 
Dec 06 19:21:17.483 INFO [stderr] This is likely to break cargo build or cargo test as these files may not be
Dec 06 19:21:17.483 INFO [stderr] ready to be compiled as a example target today. You can future-proof yourself
Dec 06 19:21:17.483 INFO [stderr] and disable this warning by adding `autoexamples = false` to your [package]
Dec 06 19:21:17.483 INFO [stderr] section. You may also move the files to a location where Cargo would not
Dec 06 19:21:17.483 INFO [stderr] automatically infer them to be a target, such as in subfolders.
Dec 06 19:21:17.483 INFO [stderr] 
Dec 06 19:21:17.483 INFO [stderr] For more information on this warning you can consult
Dec 06 19:21:17.483 INFO [stderr] https://github.com/rust-lang/cargo/issues/5330
Dec 06 19:21:17.640 INFO [stderr]    Compiling trek v0.3.1 (/source)
Dec 06 19:21:25.986 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.53s
Dec 06 19:21:25.998 INFO [stderr] su: No module specific data is present
Dec 06 19:21:26.600 INFO running `"docker" "inspect" "c05df820030a631af3cbec08cd730d16c5a4697a27a0d6ed6da5d6b814a3553f"`
Dec 06 19:21:26.818 INFO running `"docker" "rm" "-f" "c05df820030a631af3cbec08cd730d16c5a4697a27a0d6ed6da5d6b814a3553f"`
Dec 06 19:21:27.159 INFO [stdout] c05df820030a631af3cbec08cd730d16c5a4697a27a0d6ed6da5d6b814a3553f