[INFO] cloning repository mithril1992/rust_practice
[INFO] running `"git" "clone" "--bare" "git://github.com/mithril1992/rust_practice.git" "work/cache/sources/gh/mithril1992/rust_practice"`
[INFO] [stderr] Cloning into bare repository 'work/cache/sources/gh/mithril1992/rust_practice'...
[INFO] running `"git" "clone" "work/cache/sources/gh/mithril1992/rust_practice" "work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/mithril1992/rust_practice"`
[INFO] [stderr] Cloning into 'work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/mithril1992/rust_practice'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/mithril1992/rust_practice" "work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/mithril1992/rust_practice"`
[INFO] [stderr] Cloning into 'work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/mithril1992/rust_practice'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 98c8210092b3438bf51a7f1be0be1182dae00bef
[INFO] sha for GitHub repo mithril1992/rust_practice: 98c8210092b3438bf51a7f1be0be1182dae00bef
[INFO] validating manifest of mithril1992/rust_practice on toolchain master#c8865d8e195813ade6b84434ac9f8850e7112d1a
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of mithril1992/rust_practice on toolchain try#e212b7d492c96d3837691ba29d32d5f468933fb8
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing mithril1992/rust_practice
[INFO] finished frobbing mithril1992/rust_practice
[INFO] frobbed toml for mithril1992/rust_practice written to work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/mithril1992/rust_practice/Cargo.toml
[INFO] started frobbing mithril1992/rust_practice
[INFO] finished frobbing mithril1992/rust_practice
[INFO] frobbed toml for mithril1992/rust_practice written to work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/mithril1992/rust_practice/Cargo.toml
[INFO] crate mithril1992/rust_practice already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing mithril1992/rust_practice against try#e212b7d492c96d3837691ba29d32d5f468933fb8 for pr-61629
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-2/try#e212b7d492c96d3837691ba29d32d5f468933fb8:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/mithril1992/rust_practice:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "build" "--frozen"`
[INFO] [stdout] c029929aeb060b3805e7cc7980b98f9e9d96d7cc7d0f200ec9e5ae36a21a4376
[INFO] running `"docker" "start" "-a" "c029929aeb060b3805e7cc7980b98f9e9d96d7cc7d0f200ec9e5ae36a21a4376"`
[INFO] [stderr]    Compiling rust_sample v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused variable: `program`
[INFO] [stderr]  --> src/bin/fizzbuzz.rs:7:9
[INFO] [stderr]   |
[INFO] [stderr] 7 |     let program = args[0].clone();
[INFO] [stderr]   |         ^^^^^^^ help: consider prefixing with an underscore: `_program`
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.91s
[INFO] running `"docker" "inspect" "c029929aeb060b3805e7cc7980b98f9e9d96d7cc7d0f200ec9e5ae36a21a4376"`
[INFO] running `"docker" "rm" "-f" "c029929aeb060b3805e7cc7980b98f9e9d96d7cc7d0f200ec9e5ae36a21a4376"`
[INFO] [stdout] c029929aeb060b3805e7cc7980b98f9e9d96d7cc7d0f200ec9e5ae36a21a4376
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-2/try#e212b7d492c96d3837691ba29d32d5f468933fb8:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/mithril1992/rust_practice:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "test" "--frozen" "--no-run"`
[INFO] [stdout] aa12c4764e64afb6804de16e9c47d072814bec57aa57d396f86f574aa11d2cf4
[INFO] running `"docker" "start" "-a" "aa12c4764e64afb6804de16e9c47d072814bec57aa57d396f86f574aa11d2cf4"`
[INFO] [stderr]    Compiling rust_sample v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused variable: `program`
[INFO] [stderr]  --> src/bin/fizzbuzz.rs:7:9
[INFO] [stderr]   |
[INFO] [stderr] 7 |     let program = args[0].clone();
[INFO] [stderr]   |         ^^^^^^^ help: consider prefixing with an underscore: `_program`
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.20s
[INFO] running `"docker" "inspect" "aa12c4764e64afb6804de16e9c47d072814bec57aa57d396f86f574aa11d2cf4"`
[INFO] running `"docker" "rm" "-f" "aa12c4764e64afb6804de16e9c47d072814bec57aa57d396f86f574aa11d2cf4"`
[INFO] [stdout] aa12c4764e64afb6804de16e9c47d072814bec57aa57d396f86f574aa11d2cf4
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-2/try#e212b7d492c96d3837691ba29d32d5f468933fb8:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/mithril1992/rust_practice:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "test" "--frozen"`
[INFO] [stdout] c11d5d62d841b97b458656540fef363e5b70fef654224949aa95d68ab07b3314
[INFO] running `"docker" "start" "-a" "c11d5d62d841b97b458656540fef363e5b70fef654224949aa95d68ab07b3314"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/rust_sample-bc2cab92138ff598
[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/crater/target/debug/deps/async_queue-8f1c27b2d53ba342
[INFO] [stderr]      Running /opt/crater/target/debug/deps/fizzbuzz-b538c9d9f450a224
[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] [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/crater/target/debug/deps/hello-57e785e1b9ed9d36
[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/crater/target/debug/deps/hello_c-bb237f28f08cc201
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests rust_sample
[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] [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" "c11d5d62d841b97b458656540fef363e5b70fef654224949aa95d68ab07b3314"`
[INFO] running `"docker" "rm" "-f" "c11d5d62d841b97b458656540fef363e5b70fef654224949aa95d68ab07b3314"`
[INFO] [stdout] c11d5d62d841b97b458656540fef363e5b70fef654224949aa95d68ab07b3314