[INFO] updating cached repository https://github.com/winfield/CHIP-9
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 40973c8d32281ee31d01237820bcc4fc745a296f
[INFO] testing winfield/CHIP-9 against 1.44.0 for beta-1.45-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwinfield%2FCHIP-9" "/workspace/builds/worker-2/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/winfield/CHIP-9 on toolchain 1.44.0
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/winfield/CHIP-9
[INFO] finished tweaking git repo https://github.com/winfield/CHIP-9
[INFO] tweaked toml for git repo https://github.com/winfield/CHIP-9 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/winfield/CHIP-9 already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.44.0" "build" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 7cc960c4f65734439fc1b57ba3dd6a0058c215016bc8b9728b5817e190b36ffc
[INFO] running `"docker" "start" "-a" "7cc960c4f65734439fc1b57ba3dd6a0058c215016bc8b9728b5817e190b36ffc"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling chip-9 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: struct is never constructed: `Cpu`
[INFO] [stderr]  --> src/cpu.rs:1:8
[INFO] [stderr]   |
[INFO] [stderr] 1 | struct Cpu {
[INFO] [stderr]   |        ^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]   --> src/cpu.rs:19:5
[INFO] [stderr]    |
[INFO] [stderr] 19 |     fn new() -> Cpu {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `current_opcode`
[INFO] [stderr]   --> src/cpu.rs:31:5
[INFO] [stderr]    |
[INFO] [stderr] 31 |     fn current_opcode(&mut self) -> u16 {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `process_opcode`
[INFO] [stderr]   --> src/cpu.rs:38:5
[INFO] [stderr]    |
[INFO] [stderr] 38 |     fn process_opcode(&mut self) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 4 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.71s
[INFO] running `"docker" "inspect" "7cc960c4f65734439fc1b57ba3dd6a0058c215016bc8b9728b5817e190b36ffc"`
[INFO] running `"docker" "rm" "-f" "7cc960c4f65734439fc1b57ba3dd6a0058c215016bc8b9728b5817e190b36ffc"`
[INFO] [stdout] 7cc960c4f65734439fc1b57ba3dd6a0058c215016bc8b9728b5817e190b36ffc
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.44.0" "test" "--frozen" "--no-run"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] beb3b1665b2bb2aae08cae8d89967a79ca379bd3323ca11a6a2f65f2fcb807b6
[INFO] running `"docker" "start" "-a" "beb3b1665b2bb2aae08cae8d89967a79ca379bd3323ca11a6a2f65f2fcb807b6"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling chip-9 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: struct is never constructed: `Cpu`
[INFO] [stderr]  --> src/cpu.rs:1:8
[INFO] [stderr]   |
[INFO] [stderr] 1 | struct Cpu {
[INFO] [stderr]   |        ^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]   --> src/cpu.rs:19:5
[INFO] [stderr]    |
[INFO] [stderr] 19 |     fn new() -> Cpu {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `current_opcode`
[INFO] [stderr]   --> src/cpu.rs:31:5
[INFO] [stderr]    |
[INFO] [stderr] 31 |     fn current_opcode(&mut self) -> u16 {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `process_opcode`
[INFO] [stderr]   --> src/cpu.rs:38:5
[INFO] [stderr]    |
[INFO] [stderr] 38 |     fn process_opcode(&mut self) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 4 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `super::Cpu`
[INFO] [stderr]    --> src/cpu.rs:146:9
[INFO] [stderr]     |
[INFO] [stderr] 146 |     use super::Cpu;
[INFO] [stderr]     |         ^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Cpu`
[INFO] [stderr]  --> src/cpu.rs:1:8
[INFO] [stderr]   |
[INFO] [stderr] 1 | struct Cpu {
[INFO] [stderr]   |        ^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]   --> src/cpu.rs:19:5
[INFO] [stderr]    |
[INFO] [stderr] 19 |     fn new() -> Cpu {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `current_opcode`
[INFO] [stderr]   --> src/cpu.rs:31:5
[INFO] [stderr]    |
[INFO] [stderr] 31 |     fn current_opcode(&mut self) -> u16 {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `process_opcode`
[INFO] [stderr]   --> src/cpu.rs:38:5
[INFO] [stderr]    |
[INFO] [stderr] 38 |     fn process_opcode(&mut self) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 5 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.14s
[INFO] running `"docker" "inspect" "beb3b1665b2bb2aae08cae8d89967a79ca379bd3323ca11a6a2f65f2fcb807b6"`
[INFO] running `"docker" "rm" "-f" "beb3b1665b2bb2aae08cae8d89967a79ca379bd3323ca11a6a2f65f2fcb807b6"`
[INFO] [stdout] beb3b1665b2bb2aae08cae8d89967a79ca379bd3323ca11a6a2f65f2fcb807b6
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.44.0" "test" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 889a211ae58f3f18bdc63d9fd8aea3f99f01acc973efd320a83a4eaed6e683a8
[INFO] running `"docker" "start" "-a" "889a211ae58f3f18bdc63d9fd8aea3f99f01acc973efd320a83a4eaed6e683a8"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr] warning: struct is never constructed: `Cpu`
[INFO] [stderr]  --> src/cpu.rs:1:8
[INFO] [stderr]   |
[INFO] [stderr] 1 | struct Cpu {
[INFO] [stderr]   |        ^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]   --> src/cpu.rs:19:5
[INFO] [stderr]    |
[INFO] [stderr] 19 |     fn new() -> Cpu {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `current_opcode`
[INFO] [stderr]   --> src/cpu.rs:31:5
[INFO] [stderr]    |
[INFO] [stderr] 31 |     fn current_opcode(&mut self) -> u16 {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `process_opcode`
[INFO] [stderr]   --> src/cpu.rs:38:5
[INFO] [stderr]    |
[INFO] [stderr] 38 |     fn process_opcode(&mut self) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 4 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `super::Cpu`
[INFO] [stderr]    --> src/cpu.rs:146:9
[INFO] [stderr]     |
[INFO] [stderr] 146 |     use super::Cpu;
[INFO] [stderr]     |         ^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Cpu`
[INFO] [stderr]  --> src/cpu.rs:1:8
[INFO] [stderr]   |
[INFO] [stderr] 1 | struct Cpu {
[INFO] [stderr]   |        ^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]   --> src/cpu.rs:19:5
[INFO] [stderr]    |
[INFO] [stderr] 19 |     fn new() -> Cpu {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `current_opcode`
[INFO] [stderr]   --> src/cpu.rs:31:5
[INFO] [stderr]    |
[INFO] [stderr] 31 |     fn current_opcode(&mut self) -> u16 {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `process_opcode`
[INFO] [stderr]   --> src/cpu.rs:38:5
[INFO] [stderr]    |
[INFO] [stderr] 38 |     fn process_opcode(&mut self) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 5 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/chip_9-f67fd8eaa960691f
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/chip_9-ff8d214746ef2596
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test cpu::tests::exploration ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 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]    Doc-tests chip-9
[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" "889a211ae58f3f18bdc63d9fd8aea3f99f01acc973efd320a83a4eaed6e683a8"`
[INFO] running `"docker" "rm" "-f" "889a211ae58f3f18bdc63d9fd8aea3f99f01acc973efd320a83a4eaed6e683a8"`
[INFO] [stdout] 889a211ae58f3f18bdc63d9fd8aea3f99f01acc973efd320a83a4eaed6e683a8