Nov 02 19:48:09.486 INFO checking RyanBluth/dumbbell against try#dc8b02d6f1e93f212fc39844ea688b634b4a03c7 for pr-55517
Nov 02 19:48:09.487 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55517/worker-0/try#dc8b02d6f1e93f212fc39844ea688b634b4a03c7:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/pr-55517/try#dc8b02d6f1e93f212fc39844ea688b634b4a03c7:/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 +dc8b02d6f1e93f212fc39844ea688b634b4a03c7-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"`
Nov 02 19:48:09.673 INFO blam! d94416305e34e065446896612cc042a5a1ec96fef8ed9e16b0aab76db8db294f
Nov 02 19:48:09.675 INFO running `"docker" "start" "-a" "d94416305e34e065446896612cc042a5a1ec96fef8ed9e16b0aab76db8db294f"`
Nov 02 19:48:10.588 INFO kablam! usermod: no changes
Nov 02 19:48:10.716 INFO kablam!     Checking hyper v0.10.0
Nov 02 19:48:14.860 INFO kablam!     Checking dumbbell v0.1.0 (/source)
Nov 02 19:48:16.888 INFO kablam! warning: unused import: `hyper::Client`
Nov 02 19:48:16.888 INFO kablam!  --> src/main.rs:2:5
Nov 02 19:48:16.888 INFO kablam!   |
Nov 02 19:48:16.888 INFO kablam! 2 | use hyper::Client;
Nov 02 19:48:16.888 INFO kablam!   |     ^^^^^^^^^^^^^
Nov 02 19:48:16.888 INFO kablam!   |
Nov 02 19:48:16.888 INFO kablam!   = note: #[warn(unused_imports)] on by default
Nov 02 19:48:16.888 INFO kablam! 
Nov 02 19:48:16.888 INFO kablam! warning: unused import: `SubCommand`
Nov 02 19:48:16.888 INFO kablam!  --> src/main.rs:5:22
Nov 02 19:48:16.888 INFO kablam!   |
Nov 02 19:48:16.888 INFO kablam! 5 | use clap::{Arg, App, SubCommand, ArgMatches};
Nov 02 19:48:16.888 INFO kablam!   |                      ^^^^^^^^^^
Nov 02 19:48:16.888 INFO kablam! 
Nov 02 19:48:16.972 INFO kablam! warning: unused variable: `err`
Nov 02 19:48:16.972 INFO kablam!   --> src/main.rs:21:13
Nov 02 19:48:16.972 INFO kablam!    |
Nov 02 19:48:16.972 INFO kablam! 21 |     fn from(err: std::num::ParseIntError) -> TaskError {
Nov 02 19:48:16.972 INFO kablam!    |             ^^^ help: consider using `_err` instead
Nov 02 19:48:16.972 INFO kablam!    |
Nov 02 19:48:16.972 INFO kablam!    = note: #[warn(unused_variables)] on by default
Nov 02 19:48:16.972 INFO kablam! 
Nov 02 19:48:17.188 INFO kablam! warning: unused import: `hyper::Client`
Nov 02 19:48:17.188 INFO kablam!  --> src/main.rs:2:5
Nov 02 19:48:17.188 INFO kablam!   |
Nov 02 19:48:17.188 INFO kablam! 2 | use hyper::Client;
Nov 02 19:48:17.188 INFO kablam!   |     ^^^^^^^^^^^^^
Nov 02 19:48:17.188 INFO kablam!   |
Nov 02 19:48:17.188 INFO kablam!   = note: #[warn(unused_imports)] on by default
Nov 02 19:48:17.188 INFO kablam! 
Nov 02 19:48:17.188 INFO kablam! warning: unused import: `SubCommand`
Nov 02 19:48:17.188 INFO kablam!  --> src/main.rs:5:22
Nov 02 19:48:17.188 INFO kablam!   |
Nov 02 19:48:17.188 INFO kablam! 5 | use clap::{Arg, App, SubCommand, ArgMatches};
Nov 02 19:48:17.188 INFO kablam!   |                      ^^^^^^^^^^
Nov 02 19:48:17.188 INFO kablam! 
Nov 02 19:48:17.256 INFO kablam! warning: unused variable: `err`
Nov 02 19:48:17.256 INFO kablam!   --> src/main.rs:21:13
Nov 02 19:48:17.256 INFO kablam!    |
Nov 02 19:48:17.256 INFO kablam! 21 |     fn from(err: std::num::ParseIntError) -> TaskError {
Nov 02 19:48:17.256 INFO kablam!    |             ^^^ help: consider using `_err` instead
Nov 02 19:48:17.256 INFO kablam!    |
Nov 02 19:48:17.256 INFO kablam!    = note: #[warn(unused_variables)] on by default
Nov 02 19:48:17.256 INFO kablam! 
Nov 02 19:48:17.317 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 6.69s
Nov 02 19:48:17.334 INFO kablam! su: No module specific data is present
Nov 02 19:48:17.693 INFO running `"docker" "rm" "-f" "d94416305e34e065446896612cc042a5a1ec96fef8ed9e16b0aab76db8db294f"`
Nov 02 19:48:17.809 INFO blam! d94416305e34e065446896612cc042a5a1ec96fef8ed9e16b0aab76db8db294f