Dec 05 10:47:25.155 INFO testing qrdean/rust_hello against master#906deae0790bd18681b937fe9a141a3c26cf1855 for pr-56514
Dec 05 10:47:25.155 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-1/master#906deae0790bd18681b937fe9a141a3c26cf1855:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-1/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 05 10:47:25.397 INFO [stdout] 7df2f7ce1bf2eac3b9c90310419bd52b44c6844e7836e6c449725a72dd003087
Dec 05 10:47:25.402 INFO running `"docker" "start" "-a" "7df2f7ce1bf2eac3b9c90310419bd52b44c6844e7836e6c449725a72dd003087"`
Dec 05 10:47:25.815 INFO [stderr] usermod: no changes
Dec 05 10:47:25.839 INFO [stderr]    Compiling hello_world v0.0.1 (/source)
Dec 05 10:47:25.980 INFO [stderr] warning: unused variable: `x`
Dec 05 10:47:25.980 INFO [stderr]  --> src/main.rs:2:6
Dec 05 10:47:25.980 INFO [stderr]   |
Dec 05 10:47:25.980 INFO [stderr] 2 |     let x: i32;
Dec 05 10:47:25.980 INFO [stderr]   |         ^ help: consider using `_x` instead
Dec 05 10:47:25.980 INFO [stderr]   |
Dec 05 10:47:25.980 INFO [stderr]   = note: #[warn(unused_variables)] on by default
Dec 05 10:47:25.980 INFO [stderr] 
Dec 05 10:47:26.145 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.31s
Dec 05 10:47:26.147 INFO [stderr] su: No module specific data is present
Dec 05 10:47:26.413 INFO running `"docker" "inspect" "7df2f7ce1bf2eac3b9c90310419bd52b44c6844e7836e6c449725a72dd003087"`
Dec 05 10:47:26.497 INFO running `"docker" "rm" "-f" "7df2f7ce1bf2eac3b9c90310419bd52b44c6844e7836e6c449725a72dd003087"`
Dec 05 10:47:26.614 INFO [stdout] 7df2f7ce1bf2eac3b9c90310419bd52b44c6844e7836e6c449725a72dd003087
Dec 05 10:47:26.617 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-1/master#906deae0790bd18681b937fe9a141a3c26cf1855:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-1/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 05 10:47:26.771 INFO [stdout] a0a06c9f9b69fc82843ca370a4d74407573d9f9f81514d7c410ff6c8e82f8e18
Dec 05 10:47:26.775 INFO running `"docker" "start" "-a" "a0a06c9f9b69fc82843ca370a4d74407573d9f9f81514d7c410ff6c8e82f8e18"`
Dec 05 10:47:27.247 INFO [stderr] usermod: no changes
Dec 05 10:47:27.269 INFO [stderr]    Compiling hello_world v0.0.1 (/source)
Dec 05 10:47:27.437 INFO [stderr] warning: unused variable: `x`
Dec 05 10:47:27.437 INFO [stderr]  --> src/main.rs:2:6
Dec 05 10:47:27.437 INFO [stderr]   |
Dec 05 10:47:27.437 INFO [stderr] 2 |     let x: i32;
Dec 05 10:47:27.437 INFO [stderr]   |         ^ help: consider using `_x` instead
Dec 05 10:47:27.437 INFO [stderr]   |
Dec 05 10:47:27.437 INFO [stderr]   = note: #[warn(unused_variables)] on by default
Dec 05 10:47:27.437 INFO [stderr] 
Dec 05 10:47:27.629 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.36s
Dec 05 10:47:27.631 INFO [stderr] su: No module specific data is present
Dec 05 10:47:27.845 INFO running `"docker" "inspect" "a0a06c9f9b69fc82843ca370a4d74407573d9f9f81514d7c410ff6c8e82f8e18"`
Dec 05 10:47:27.951 INFO running `"docker" "rm" "-f" "a0a06c9f9b69fc82843ca370a4d74407573d9f9f81514d7c410ff6c8e82f8e18"`
Dec 05 10:47:28.065 INFO [stdout] a0a06c9f9b69fc82843ca370a4d74407573d9f9f81514d7c410ff6c8e82f8e18
Dec 05 10:47:28.068 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-1/master#906deae0790bd18681b937fe9a141a3c26cf1855:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-1/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" "-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 05 10:47:28.239 INFO [stdout] f0ac13ee78cadf347b5cac6a0c4a50934f51193de92775ebe37e92f0a36ae913
Dec 05 10:47:28.246 INFO running `"docker" "start" "-a" "f0ac13ee78cadf347b5cac6a0c4a50934f51193de92775ebe37e92f0a36ae913"`
Dec 05 10:47:28.588 INFO [stderr] usermod: no changes
Dec 05 10:47:28.609 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
Dec 05 10:47:28.617 INFO [stderr]      Running /target/debug/deps/hello_world-92c99dc2e86fb4fb
Dec 05 10:47:28.619 INFO [stdout] 
Dec 05 10:47:28.619 INFO [stdout] running 0 tests
Dec 05 10:47:28.619 INFO [stdout] 
Dec 05 10:47:28.619 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 05 10:47:28.619 INFO [stdout] 
Dec 05 10:47:28.621 INFO [stderr] su: No module specific data is present
Dec 05 10:47:28.862 INFO running `"docker" "inspect" "f0ac13ee78cadf347b5cac6a0c4a50934f51193de92775ebe37e92f0a36ae913"`
Dec 05 10:47:28.938 INFO running `"docker" "rm" "-f" "f0ac13ee78cadf347b5cac6a0c4a50934f51193de92775ebe37e92f0a36ae913"`
Dec 05 10:47:29.018 INFO [stdout] f0ac13ee78cadf347b5cac6a0c4a50934f51193de92775ebe37e92f0a36ae913