[INFO] cloning repository https://github.com/ciaran2/feo3boy
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ciaran2/feo3boy" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fciaran2%2Ffeo3boy", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fciaran2%2Ffeo3boy'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] cc3f8d71aa418da66feab6a04837aa7154cf61f9
[INFO] testing ciaran2/feo3boy against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fciaran2%2Ffeo3boy" "/workspace/builds/worker-5/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ciaran2/feo3boy on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/ciaran2/feo3boy
[INFO] finished tweaking git repo https://github.com/ciaran2/feo3boy
[INFO] tweaked toml for git repo https://github.com/ciaran2/feo3boy written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/ciaran2/feo3boy already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 754d436c9d36476004da07c159e2fe2924d941e2e14b7b1f5432ccae7ff274ef
[INFO] running `Command { std: "docker" "start" "-a" "754d436c9d36476004da07c159e2fe2924d941e2e14b7b1f5432ccae7ff274ef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "754d436c9d36476004da07c159e2fe2924d941e2e14b7b1f5432ccae7ff274ef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "754d436c9d36476004da07c159e2fe2924d941e2e14b7b1f5432ccae7ff274ef", kill_on_drop: false }`
[INFO] [stdout] 754d436c9d36476004da07c159e2fe2924d941e2e14b7b1f5432ccae7ff274ef
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8fbb781646ede3097d3ca0c183ee3fc3ea4c3e8629e1c92428590425487fb3ee
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "8fbb781646ede3097d3ca0c183ee3fc3ea4c3e8629e1c92428590425487fb3ee", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.76
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling thiserror-impl v1.0.29
[INFO] [stderr]    Compiling thiserror v1.0.29
[INFO] [stderr]    Compiling feo3boy v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `halted`
[INFO] [stdout]   --> src/gbz80core.rs:69:5
[INFO] [stdout]    |
[INFO] [stdout] 69 |     halted: bool,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `pop16`
[INFO] [stdout]    --> src/gbz80core.rs:175:4
[INFO] [stdout]     |
[INFO] [stdout] 175 | fn pop16(cpustate: &mut Gbz80state, mmu: &mut impl MemDevice) -> u16 {
[INFO] [stdout]     |    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `offset`
[INFO] [stdout]   --> src/memdev.rs:43:12
[INFO] [stdout]    |
[INFO] [stdout] 43 |     pub fn offset(&self) -> u16 {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `into_inner`
[INFO] [stdout]   --> src/memdev.rs:84:12
[INFO] [stdout]    |
[INFO] [stdout] 84 |     pub fn into_inner(self) -> M {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]    --> src/memdev.rs:132:12
[INFO] [stdout]     |
[INFO] [stdout] 132 |     pub fn new(data: [u8; 0x100]) -> Self {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Mbc1`
[INFO] [stdout]    --> src/memdev.rs:188:5
[INFO] [stdout]     |
[INFO] [stdout] 188 |     Mbc1(Box<Mbc1Rom>),
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/main.rs:37:13
[INFO] [stdout]    |
[INFO] [stdout] 37 |             bios_file.read_to_end(&mut bios);
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10.86s
[INFO] running `Command { std: "docker" "inspect" "8fbb781646ede3097d3ca0c183ee3fc3ea4c3e8629e1c92428590425487fb3ee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8fbb781646ede3097d3ca0c183ee3fc3ea4c3e8629e1c92428590425487fb3ee", kill_on_drop: false }`
[INFO] [stdout] 8fbb781646ede3097d3ca0c183ee3fc3ea4c3e8629e1c92428590425487fb3ee
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] b26384365dfef5b8dcbc4c26517a4c15ca2078c71ae515607beaf67f84f88435
[INFO] running `Command { std: "docker" "start" "-a" "b26384365dfef5b8dcbc4c26517a4c15ca2078c71ae515607beaf67f84f88435", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling feo3boy v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `halted`
[INFO] [stdout]   --> src/gbz80core.rs:69:5
[INFO] [stdout]    |
[INFO] [stdout] 69 |     halted: bool,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `pop16`
[INFO] [stdout]    --> src/gbz80core.rs:175:4
[INFO] [stdout]     |
[INFO] [stdout] 175 | fn pop16(cpustate: &mut Gbz80state, mmu: &mut impl MemDevice) -> u16 {
[INFO] [stdout]     |    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `offset`
[INFO] [stdout]   --> src/memdev.rs:43:12
[INFO] [stdout]    |
[INFO] [stdout] 43 |     pub fn offset(&self) -> u16 {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `into_inner`
[INFO] [stdout]   --> src/memdev.rs:84:12
[INFO] [stdout]    |
[INFO] [stdout] 84 |     pub fn into_inner(self) -> M {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]    --> src/memdev.rs:132:12
[INFO] [stdout]     |
[INFO] [stdout] 132 |     pub fn new(data: [u8; 0x100]) -> Self {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Mbc1`
[INFO] [stdout]    --> src/memdev.rs:188:5
[INFO] [stdout]     |
[INFO] [stdout] 188 |     Mbc1(Box<Mbc1Rom>),
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/main.rs:37:13
[INFO] [stdout]    |
[INFO] [stdout] 37 |             bios_file.read_to_end(&mut bios);
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.50s
[INFO] running `Command { std: "docker" "inspect" "b26384365dfef5b8dcbc4c26517a4c15ca2078c71ae515607beaf67f84f88435", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b26384365dfef5b8dcbc4c26517a4c15ca2078c71ae515607beaf67f84f88435", kill_on_drop: false }`
[INFO] [stdout] b26384365dfef5b8dcbc4c26517a4c15ca2078c71ae515607beaf67f84f88435
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] a4d81aa8d6ba509c8adf5f24843e60933174ea418d678b76f1e28caaf67fa396
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "a4d81aa8d6ba509c8adf5f24843e60933174ea418d678b76f1e28caaf67fa396", kill_on_drop: false }`
[INFO] [stderr] warning: field is never read: `halted`
[INFO] [stderr]   --> src/gbz80core.rs:69:5
[INFO] [stderr]    |
[INFO] [stderr] 69 |     halted: bool,
[INFO] [stderr]    |     ^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `pop16`
[INFO] [stderr]    --> src/gbz80core.rs:175:4
[INFO] [stderr]     |
[INFO] [stderr] 175 | fn pop16(cpustate: &mut Gbz80state, mmu: &mut impl MemDevice) -> u16 {
[INFO] [stderr]     |    ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `offset`
[INFO] [stderr]   --> src/memdev.rs:43:12
[INFO] [stderr]    |
[INFO] [stderr] 43 |     pub fn offset(&self) -> u16 {
[INFO] [stderr]    |            ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `into_inner`
[INFO] [stderr]   --> src/memdev.rs:84:12
[INFO] [stderr]    |
[INFO] [stderr] 84 |     pub fn into_inner(self) -> M {
[INFO] [stderr]    |            ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `new`
[INFO] [stderr]    --> src/memdev.rs:132:12
[INFO] [stderr]     |
[INFO] [stderr] 132 |     pub fn new(data: [u8; 0x100]) -> Self {
[INFO] [stderr]     |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Mbc1`
[INFO] [stderr]    --> src/memdev.rs:188:5
[INFO] [stderr]     |
[INFO] [stderr] 188 |     Mbc1(Box<Mbc1Rom>),
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]   --> src/main.rs:37:13
[INFO] [stderr]    |
[INFO] [stderr] 37 |             bios_file.read_to_end(&mut bios);
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: `feo3boy` (bin "feo3boy" test) generated 7 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/feo3boy-9fd08dc125d407ce)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test gbz80core::tests::test_loads_and_alu ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "a4d81aa8d6ba509c8adf5f24843e60933174ea418d678b76f1e28caaf67fa396", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a4d81aa8d6ba509c8adf5f24843e60933174ea418d678b76f1e28caaf67fa396", kill_on_drop: false }`
[INFO] [stdout] a4d81aa8d6ba509c8adf5f24843e60933174ea418d678b76f1e28caaf67fa396