Nov 17 19:59:41.673 INFO testing trek-0.3.1 against try#2e026d6e5d7621634147ad4c8074f1d964dbb1be for pr-55982
Nov 17 19:59:41.673 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55982/worker-3/try#2e026d6e5d7621634147ad4c8074f1d964dbb1be:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/pr-55982/try#2e026d6e5d7621634147ad4c8074f1d964dbb1be:/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 +2e026d6e5d7621634147ad4c8074f1d964dbb1be-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"`
Nov 17 19:59:41.999 INFO [stdout] 56eca6ba886be47186a7e945883f88cded87b52450e294ff64d9fe598e0ed02a
Nov 17 19:59:42.007 INFO running `"docker" "start" "-a" "56eca6ba886be47186a7e945883f88cded87b52450e294ff64d9fe598e0ed02a"`
Nov 17 19:59:43.027 INFO [stderr] usermod: no changes
Nov 17 19:59:43.103 INFO [stderr] warning: An explicit [[example]] section is specified in Cargo.toml which currently
Nov 17 19:59:43.103 INFO [stderr] disables Cargo from automatically inferring other example targets.
Nov 17 19:59:43.103 INFO [stderr] This inference behavior will change in the Rust 2018 edition and the following
Nov 17 19:59:43.103 INFO [stderr] files will be included as a example target:
Nov 17 19:59:43.103 INFO [stderr] 
Nov 17 19:59:43.103 INFO [stderr] * /source/examples/migration_index.rs
Nov 17 19:59:43.103 INFO [stderr] 
Nov 17 19:59:43.103 INFO [stderr] This is likely to break cargo build or cargo test as these files may not be
Nov 17 19:59:43.103 INFO [stderr] ready to be compiled as a example target today. You can future-proof yourself
Nov 17 19:59:43.103 INFO [stderr] and disable this warning by adding `autoexamples = false` to your [package]
Nov 17 19:59:43.103 INFO [stderr] section. You may also move the files to a location where Cargo would not
Nov 17 19:59:43.103 INFO [stderr] automatically infer them to be a target, such as in subfolders.
Nov 17 19:59:43.103 INFO [stderr] 
Nov 17 19:59:43.103 INFO [stderr] For more information on this warning you can consult
Nov 17 19:59:43.103 INFO [stderr] https://github.com/rust-lang/cargo/issues/5330
Nov 17 19:59:43.296 INFO [stderr]    Compiling trek v0.3.1 (/source)
Nov 17 19:59:47.147 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.07s
Nov 17 19:59:47.155 INFO [stderr] su: No module specific data is present
Nov 17 19:59:47.706 INFO running `"docker" "inspect" "56eca6ba886be47186a7e945883f88cded87b52450e294ff64d9fe598e0ed02a"`
Nov 17 19:59:47.913 INFO running `"docker" "rm" "-f" "56eca6ba886be47186a7e945883f88cded87b52450e294ff64d9fe598e0ed02a"`
Nov 17 19:59:48.175 INFO [stdout] 56eca6ba886be47186a7e945883f88cded87b52450e294ff64d9fe598e0ed02a
Nov 17 19:59:48.182 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55982/worker-3/try#2e026d6e5d7621634147ad4c8074f1d964dbb1be:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/pr-55982/try#2e026d6e5d7621634147ad4c8074f1d964dbb1be:/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 +2e026d6e5d7621634147ad4c8074f1d964dbb1be-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"`
Nov 17 19:59:48.486 INFO [stdout] 2701a0046fa04f6c078a4092bd3a438a6c45e156a929d1c156481e01fa2c7e49
Nov 17 19:59:48.486 INFO running `"docker" "start" "-a" "2701a0046fa04f6c078a4092bd3a438a6c45e156a929d1c156481e01fa2c7e49"`
Nov 17 19:59:49.498 INFO [stderr] usermod: no changes
Nov 17 19:59:49.559 INFO [stderr] warning: An explicit [[example]] section is specified in Cargo.toml which currently
Nov 17 19:59:49.559 INFO [stderr] disables Cargo from automatically inferring other example targets.
Nov 17 19:59:49.559 INFO [stderr] This inference behavior will change in the Rust 2018 edition and the following
Nov 17 19:59:49.559 INFO [stderr] files will be included as a example target:
Nov 17 19:59:49.559 INFO [stderr] 
Nov 17 19:59:49.559 INFO [stderr] * /source/examples/migration_index.rs
Nov 17 19:59:49.559 INFO [stderr] 
Nov 17 19:59:49.559 INFO [stderr] This is likely to break cargo build or cargo test as these files may not be
Nov 17 19:59:49.559 INFO [stderr] ready to be compiled as a example target today. You can future-proof yourself
Nov 17 19:59:49.559 INFO [stderr] and disable this warning by adding `autoexamples = false` to your [package]
Nov 17 19:59:49.559 INFO [stderr] section. You may also move the files to a location where Cargo would not
Nov 17 19:59:49.559 INFO [stderr] automatically infer them to be a target, such as in subfolders.
Nov 17 19:59:49.559 INFO [stderr] 
Nov 17 19:59:49.559 INFO [stderr] For more information on this warning you can consult
Nov 17 19:59:49.559 INFO [stderr] https://github.com/rust-lang/cargo/issues/5330
Nov 17 19:59:49.679 INFO [stderr]    Compiling trek v0.3.1 (/source)
Nov 17 19:59:57.431 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.91s
Nov 17 19:59:57.439 INFO [stderr] su: No module specific data is present
Nov 17 19:59:58.075 INFO running `"docker" "inspect" "2701a0046fa04f6c078a4092bd3a438a6c45e156a929d1c156481e01fa2c7e49"`
Nov 17 19:59:58.364 INFO running `"docker" "rm" "-f" "2701a0046fa04f6c078a4092bd3a438a6c45e156a929d1c156481e01fa2c7e49"`
Nov 17 19:59:58.516 INFO [stdout] 2701a0046fa04f6c078a4092bd3a438a6c45e156a929d1c156481e01fa2c7e49