Dec 12 21:57:47.601 INFO testing vwxyzjn/hello_cargo against master#bd47d6825bf4090517549d33cfef10d3300b4a75 for pr-56550
Dec 12 21:57:47.601 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-0/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/pr-56550/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/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 +bd47d6825bf4090517549d33cfef10d3300b4a75-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 12 21:57:48.145 INFO [stdout] c73083ee34b0172254717535717cca32a7bc601bc7cf072fc93218f924c6a2be
Dec 12 21:57:48.147 INFO running `"docker" "start" "-a" "c73083ee34b0172254717535717cca32a7bc601bc7cf072fc93218f924c6a2be"`
Dec 12 21:57:50.131 INFO [stderr] usermod: no changes
Dec 12 21:57:50.179 INFO [stderr]    Compiling hello_cargo v0.1.0 (/source)
Dec 12 21:57:50.396 INFO [stderr] warning: unused import: `std::io`
Dec 12 21:57:50.396 INFO [stderr]  --> src/main.rs:1:5
Dec 12 21:57:50.396 INFO [stderr]   |
Dec 12 21:57:50.396 INFO [stderr] 1 | use std::io;
Dec 12 21:57:50.396 INFO [stderr]   |     ^^^^^^^
Dec 12 21:57:50.396 INFO [stderr]   |
Dec 12 21:57:50.396 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 12 21:57:50.396 INFO [stderr] 
Dec 12 21:57:50.783 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.63s
Dec 12 21:57:50.786 INFO [stderr] su: No module specific data is present
Dec 12 21:57:51.399 INFO running `"docker" "inspect" "c73083ee34b0172254717535717cca32a7bc601bc7cf072fc93218f924c6a2be"`
Dec 12 21:57:51.641 INFO running `"docker" "rm" "-f" "c73083ee34b0172254717535717cca32a7bc601bc7cf072fc93218f924c6a2be"`
Dec 12 21:57:52.013 INFO [stdout] c73083ee34b0172254717535717cca32a7bc601bc7cf072fc93218f924c6a2be
Dec 12 21:57:52.016 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-0/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/pr-56550/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/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 +bd47d6825bf4090517549d33cfef10d3300b4a75-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 12 21:57:52.515 INFO [stdout] 73d4242de88d9c1550176c942a40c582daaf18ca037fe5e85d8a3596b03209d2
Dec 12 21:57:52.523 INFO running `"docker" "start" "-a" "73d4242de88d9c1550176c942a40c582daaf18ca037fe5e85d8a3596b03209d2"`
Dec 12 21:57:54.147 INFO [stderr] usermod: no changes
Dec 12 21:57:54.203 INFO [stderr]    Compiling hello_cargo v0.1.0 (/source)
Dec 12 21:57:54.407 INFO [stderr] warning: unused import: `std::io`
Dec 12 21:57:54.407 INFO [stderr]  --> src/main.rs:1:5
Dec 12 21:57:54.407 INFO [stderr]   |
Dec 12 21:57:54.407 INFO [stderr] 1 | use std::io;
Dec 12 21:57:54.407 INFO [stderr]   |     ^^^^^^^
Dec 12 21:57:54.407 INFO [stderr]   |
Dec 12 21:57:54.407 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 12 21:57:54.407 INFO [stderr] 
Dec 12 21:57:54.795 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.62s
Dec 12 21:57:54.799 INFO [stderr] su: No module specific data is present
Dec 12 21:57:55.463 INFO running `"docker" "inspect" "73d4242de88d9c1550176c942a40c582daaf18ca037fe5e85d8a3596b03209d2"`
Dec 12 21:57:55.772 INFO running `"docker" "rm" "-f" "73d4242de88d9c1550176c942a40c582daaf18ca037fe5e85d8a3596b03209d2"`
Dec 12 21:57:56.087 INFO [stdout] 73d4242de88d9c1550176c942a40c582daaf18ca037fe5e85d8a3596b03209d2
Dec 12 21:57:56.089 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-0/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/pr-56550/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/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 +bd47d6825bf4090517549d33cfef10d3300b4a75-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 12 21:57:56.463 INFO [stdout] 079a3a99eaa5c4d1e4a6ec43b12e92265fb5b48d3c5b2af24419af02cdca0ddf
Dec 12 21:57:56.469 INFO running `"docker" "start" "-a" "079a3a99eaa5c4d1e4a6ec43b12e92265fb5b48d3c5b2af24419af02cdca0ddf"`
Dec 12 21:57:57.669 INFO [stderr] usermod: no changes
Dec 12 21:57:57.745 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.05s
Dec 12 21:57:57.748 INFO [stderr]      Running /target/debug/deps/hello_cargo-cc4c568b06963227
Dec 12 21:57:57.750 INFO [stdout] 
Dec 12 21:57:57.750 INFO [stdout] running 0 tests
Dec 12 21:57:57.750 INFO [stdout] 
Dec 12 21:57:57.750 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 12 21:57:57.750 INFO [stdout] 
Dec 12 21:57:57.759 INFO [stderr] su: No module specific data is present
Dec 12 21:57:58.273 INFO running `"docker" "inspect" "079a3a99eaa5c4d1e4a6ec43b12e92265fb5b48d3c5b2af24419af02cdca0ddf"`
Dec 12 21:57:58.641 INFO running `"docker" "rm" "-f" "079a3a99eaa5c4d1e4a6ec43b12e92265fb5b48d3c5b2af24419af02cdca0ddf"`
Dec 12 21:57:58.987 INFO [stdout] 079a3a99eaa5c4d1e4a6ec43b12e92265fb5b48d3c5b2af24419af02cdca0ddf