[INFO] updating cached repository https://github.com/hawkw/rush
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/big/crater/work/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 4e7a50f582507201372282b0bc07f51928c389a0
[INFO] testing hawkw/rush against beta-2019-09-28 for beta-1.39-1
[INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhawkw%2Frush" "work/builds/worker-6/source"`
[INFO] [stderr] Cloning into 'work/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/hawkw/rush on toolchain beta-2019-09-28
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/hawkw/rush
[INFO] finished tweaking git repo https://github.com/hawkw/rush
[INFO] tweaked toml for git repo https://github.com/hawkw/rush written to work/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/hawkw/rush already has a lockfile, it will not be regenerated
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-6/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2019-09-28" "build" "--frozen"`
[INFO] [stdout] 33445e14d90d6d9643b8dc0748e964518c34d4d12c5305b09dbc1b3f57317f15
[INFO] running `"docker" "start" "-a" "33445e14d90d6d9643b8dc0748e964518c34d4d12c5305b09dbc1b3f57317f15"`
[INFO] [stderr]    Compiling rush v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unreachable expression
[INFO] [stderr]   --> src/lib.rs:72:9
[INFO] [stderr]    |
[INFO] [stderr] 65 | /         loop {
[INFO] [stderr] 66 | |            match self.next_command() {
[INFO] [stderr] 67 | |                Err(CommandError::Parse(e)) => println!("Parse error: {:?}", e),
[INFO] [stderr] 68 | |                Err(CommandError::Io(e)) => Err(e)?,
[INFO] [stderr] 69 | |                _ => {}
[INFO] [stderr] 70 | |            };
[INFO] [stderr] 71 | |         }
[INFO] [stderr]    | |_________- any code following this expression is unreachable
[INFO] [stderr] 72 |           Ok(())
[INFO] [stderr]    |           ^^^^^^ unreachable expression
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unreachable_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::io`
[INFO] [stderr]  --> src/main.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::io;
[INFO] [stderr]   |     ^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.99s
[INFO] running `"docker" "inspect" "33445e14d90d6d9643b8dc0748e964518c34d4d12c5305b09dbc1b3f57317f15"`
[INFO] running `"docker" "rm" "-f" "33445e14d90d6d9643b8dc0748e964518c34d4d12c5305b09dbc1b3f57317f15"`
[INFO] [stdout] 33445e14d90d6d9643b8dc0748e964518c34d4d12c5305b09dbc1b3f57317f15
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-6/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2019-09-28" "test" "--frozen" "--no-run"`
[INFO] [stdout] a3d2c039936bb6e92be69a44eeb849b0c18b39773360824d1eaaab3851dce111
[INFO] running `"docker" "start" "-a" "a3d2c039936bb6e92be69a44eeb849b0c18b39773360824d1eaaab3851dce111"`
[INFO] [stderr]    Compiling rush v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused import: `std::io`
[INFO] [stderr]  --> src/main.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::io;
[INFO] [stderr]   |     ^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable expression
[INFO] [stderr]   --> src/lib.rs:72:9
[INFO] [stderr]    |
[INFO] [stderr] 65 | /         loop {
[INFO] [stderr] 66 | |            match self.next_command() {
[INFO] [stderr] 67 | |                Err(CommandError::Parse(e)) => println!("Parse error: {:?}", e),
[INFO] [stderr] 68 | |                Err(CommandError::Io(e)) => Err(e)?,
[INFO] [stderr] 69 | |                _ => {}
[INFO] [stderr] 70 | |            };
[INFO] [stderr] 71 | |         }
[INFO] [stderr]    | |_________- any code following this expression is unreachable
[INFO] [stderr] 72 |           Ok(())
[INFO] [stderr]    |           ^^^^^^ unreachable expression
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unreachable_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.22s
[INFO] running `"docker" "inspect" "a3d2c039936bb6e92be69a44eeb849b0c18b39773360824d1eaaab3851dce111"`
[INFO] running `"docker" "rm" "-f" "a3d2c039936bb6e92be69a44eeb849b0c18b39773360824d1eaaab3851dce111"`
[INFO] [stdout] a3d2c039936bb6e92be69a44eeb849b0c18b39773360824d1eaaab3851dce111
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-6/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2019-09-28" "test" "--frozen"`
[INFO] [stdout] d9c20c6cffa5ee795bc8a70bbe258f25c249fdbd446a8dd2a94b6ebd7a591a6f
[INFO] running `"docker" "start" "-a" "d9c20c6cffa5ee795bc8a70bbe258f25c249fdbd446a8dd2a94b6ebd7a591a6f"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/rush-cae598e82795192d
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/rush-01f6ea61776099db
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests rush
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "d9c20c6cffa5ee795bc8a70bbe258f25c249fdbd446a8dd2a94b6ebd7a591a6f"`
[INFO] running `"docker" "rm" "-f" "d9c20c6cffa5ee795bc8a70bbe258f25c249fdbd446a8dd2a94b6ebd7a591a6f"`
[INFO] [stdout] d9c20c6cffa5ee795bc8a70bbe258f25c249fdbd446a8dd2a94b6ebd7a591a6f