[INFO] cloning repository https://github.com/lukad/gb
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/lukad/gb" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flukad%2Fgb", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flukad%2Fgb'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] de9d9621441d8deb895669fc6ec0e5576fc84556
[INFO] testing lukad/gb against beta-2021-09-08 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flukad%2Fgb" "/workspace/builds/worker-68/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-68/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/lukad/gb on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/lukad/gb
[INFO] finished tweaking git repo https://github.com/lukad/gb
[INFO] tweaked toml for git repo https://github.com/lukad/gb written to /workspace/builds/worker-68/source/Cargo.toml
[INFO] crate git repo https://github.com/lukad/gb already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-68/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-68/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] acaa6a2fd32a3a4b2af22e074316ca1236c6c24a58a32044d2bcb8651b50abb5
[INFO] running `Command { std: "docker" "start" "-a" "acaa6a2fd32a3a4b2af22e074316ca1236c6c24a58a32044d2bcb8651b50abb5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "acaa6a2fd32a3a4b2af22e074316ca1236c6c24a58a32044d2bcb8651b50abb5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "acaa6a2fd32a3a4b2af22e074316ca1236c6c24a58a32044d2bcb8651b50abb5", kill_on_drop: false }`
[INFO] [stdout] acaa6a2fd32a3a4b2af22e074316ca1236c6c24a58a32044d2bcb8651b50abb5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-68/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-68/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-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" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fdc9c45bf179f51b6c792e4390759648682521e98df530b8c1413ba2d422a558
[INFO] running `Command { std: "docker" "start" "-a" "fdc9c45bf179f51b6c792e4390759648682521e98df530b8c1413ba2d422a558", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling version_check v0.1.5
[INFO] [stderr]    Compiling cfg-if v0.1.5
[INFO] [stderr]    Compiling libc v0.2.43
[INFO] [stderr]    Compiling ucd-util v0.1.1
[INFO] [stderr]    Compiling regex v1.0.5
[INFO] [stderr]    Compiling quick-error v1.2.2
[INFO] [stderr]    Compiling utf8-ranges v1.0.1
[INFO] [stderr]    Compiling termcolor v1.0.4
[INFO] [stderr]    Compiling log v0.4.5
[INFO] [stderr]    Compiling regex-syntax v0.6.2
[INFO] [stderr]    Compiling humantime v1.1.1
[INFO] [stderr]    Compiling libgb v0.1.0 (/opt/rustwide/workdir/libgb)
[INFO] [stderr]    Compiling lazy_static v1.1.0
[INFO] [stderr]    Compiling memchr v2.1.0
[INFO] [stderr]    Compiling atty v0.2.11
[INFO] [stdout] warning: unused return value of `core::num::<impl u16>::wrapping_add` that must be used
[INFO] [stdout]   --> libgb/src/cpu.rs:48:9
[INFO] [stdout]    |
[INFO] [stdout] 48 |         self.v.sp.wrapping_add(2);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: this returns the result of the operation, without modifying the original
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling thread_local v0.3.6
[INFO] [stderr]    Compiling aho-corasick v0.6.8
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling env_logger v0.5.13
[INFO] [stderr]    Compiling gb v0.1.0 (/opt/rustwide/workdir/gb)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 20.72s
[INFO] running `Command { std: "docker" "inspect" "fdc9c45bf179f51b6c792e4390759648682521e98df530b8c1413ba2d422a558", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fdc9c45bf179f51b6c792e4390759648682521e98df530b8c1413ba2d422a558", kill_on_drop: false }`
[INFO] [stdout] fdc9c45bf179f51b6c792e4390759648682521e98df530b8c1413ba2d422a558
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-68/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-68/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-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" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2aec720a6d7a447334df70a6cf2c57cb3cb9b450e6eb1e93cf25d5c6253388f6
[INFO] running `Command { std: "docker" "start" "-a" "2aec720a6d7a447334df70a6cf2c57cb3cb9b450e6eb1e93cf25d5c6253388f6", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stdout] warning: unused return value of `core::num::<impl u16>::wrapping_add` that must be used
[INFO] [stdout]   --> libgb/src/cpu.rs:48:9
[INFO] [stdout]    |
[INFO] [stdout] 48 |         self.v.sp.wrapping_add(2);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: this returns the result of the operation, without modifying the original
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling libgb v0.1.0 (/opt/rustwide/workdir/libgb)
[INFO] [stderr]    Compiling gb v0.1.0 (/opt/rustwide/workdir/gb)
[INFO] [stdout] warning: unused return value of `core::num::<impl u16>::wrapping_add` that must be used
[INFO] [stdout]   --> libgb/src/cpu.rs:48:9
[INFO] [stdout]    |
[INFO] [stdout] 48 |         self.v.sp.wrapping_add(2);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: this returns the result of the operation, without modifying the original
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 8.21s
[INFO] running `Command { std: "docker" "inspect" "2aec720a6d7a447334df70a6cf2c57cb3cb9b450e6eb1e93cf25d5c6253388f6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2aec720a6d7a447334df70a6cf2c57cb3cb9b450e6eb1e93cf25d5c6253388f6", kill_on_drop: false }`
[INFO] [stdout] 2aec720a6d7a447334df70a6cf2c57cb3cb9b450e6eb1e93cf25d5c6253388f6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-68/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-68/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-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" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 1806b76575771520f7e9d2c0e8e4ef8e5d59f7ed3c1fbc84d856475739c282cb
[INFO] running `Command { std: "docker" "start" "-a" "1806b76575771520f7e9d2c0e8e4ef8e5d59f7ed3c1fbc84d856475739c282cb", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] warning: unused return value of `core::num::<impl u16>::wrapping_add` that must be used
[INFO] [stderr]   --> libgb/src/cpu.rs:48:9
[INFO] [stderr]    |
[INFO] [stderr] 48 |         self.v.sp.wrapping_add(2);
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]    = note: this returns the result of the operation, without modifying the original
[INFO] [stderr] 
[INFO] [stderr] warning: `libgb` (lib) generated 1 warning
[INFO] [stderr] warning: `libgb` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 8.60s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/gb-60fb13b972012281)
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/libgb-79f80b3dda1bf4e0)
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests libgb
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "1806b76575771520f7e9d2c0e8e4ef8e5d59f7ed3c1fbc84d856475739c282cb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1806b76575771520f7e9d2c0e8e4ef8e5d59f7ed3c1fbc84d856475739c282cb", kill_on_drop: false }`
[INFO] [stdout] 1806b76575771520f7e9d2c0e8e4ef8e5d59f7ed3c1fbc84d856475739c282cb