[INFO] cloning repository https://github.com/winfield/CHIP-9
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/winfield/CHIP-9" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwinfield%2FCHIP-9", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwinfield%2FCHIP-9'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 40973c8d32281ee31d01237820bcc4fc745a296f
[INFO] testing winfield/CHIP-9 against master#8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e for pr-74409
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwinfield%2FCHIP-9" "/workspace/builds/worker-8/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/winfield/CHIP-9 on toolchain 8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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-8/source/Cargo.toml
[INFO] crate git repo https://github.com/winfield/CHIP-9 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "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] 298eb566ff51cb7f80dd3bcf165585cbd018d4d52beba34fb94921d09d33cd7b
[INFO] running `Command { std: "docker" "start" "-a" "298eb566ff51cb7f80dd3bcf165585cbd018d4d52beba34fb94921d09d33cd7b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "298eb566ff51cb7f80dd3bcf165585cbd018d4d52beba34fb94921d09d33cd7b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "298eb566ff51cb7f80dd3bcf165585cbd018d4d52beba34fb94921d09d33cd7b", kill_on_drop: false }`
[INFO] [stdout] 298eb566ff51cb7f80dd3bcf165585cbd018d4d52beba34fb94921d09d33cd7b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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=forbid" "-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@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "build" "--frozen" "--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] fbe5d6a15b3517b1560a9b9f826c177590ec9bb78f2b2b6834fc76da3e72aee2
[INFO] running `Command { std: "docker" "start" "-a" "fbe5d6a15b3517b1560a9b9f826c177590ec9bb78f2b2b6834fc76da3e72aee2", kill_on_drop: false }`
[INFO] [stderr]    Compiling chip-9 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct is never constructed: `Cpu`
[INFO] [stdout]  --> src/cpu.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | struct Cpu {
[INFO] [stdout]   |        ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/cpu.rs:19:8
[INFO] [stdout]    |
[INFO] [stdout] 19 |     fn new() -> Cpu {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `current_opcode`
[INFO] [stdout]   --> src/cpu.rs:31:8
[INFO] [stdout]    |
[INFO] [stdout] 31 |     fn current_opcode(&mut self) -> u16 {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `process_opcode`
[INFO] [stdout]   --> src/cpu.rs:38:8
[INFO] [stdout]    |
[INFO] [stdout] 38 |     fn process_opcode(&mut self) {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.70s
[INFO] running `Command { std: "docker" "inspect" "fbe5d6a15b3517b1560a9b9f826c177590ec9bb78f2b2b6834fc76da3e72aee2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fbe5d6a15b3517b1560a9b9f826c177590ec9bb78f2b2b6834fc76da3e72aee2", kill_on_drop: false }`
[INFO] [stdout] fbe5d6a15b3517b1560a9b9f826c177590ec9bb78f2b2b6834fc76da3e72aee2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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=forbid" "-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@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ce9447bd3df990e2ec1525dac2ee32797d1ffa6f8d30ca0b0bc1d49a1e6f45c7
[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" "ce9447bd3df990e2ec1525dac2ee32797d1ffa6f8d30ca0b0bc1d49a1e6f45c7", kill_on_drop: false }`
[INFO] [stderr]    Compiling chip-9 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct is never constructed: `Cpu`
[INFO] [stdout]  --> src/cpu.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | struct Cpu {
[INFO] [stdout]   |        ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/cpu.rs:19:8
[INFO] [stdout]    |
[INFO] [stdout] 19 |     fn new() -> Cpu {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `current_opcode`
[INFO] [stdout]   --> src/cpu.rs:31:8
[INFO] [stdout]    |
[INFO] [stdout] 31 |     fn current_opcode(&mut self) -> u16 {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `process_opcode`
[INFO] [stdout]   --> src/cpu.rs:38:8
[INFO] [stdout]    |
[INFO] [stdout] 38 |     fn process_opcode(&mut self) {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::Cpu`
[INFO] [stdout]    --> src/cpu.rs:146:9
[INFO] [stdout]     |
[INFO] [stdout] 146 |     use super::Cpu;
[INFO] [stdout]     |         ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Cpu`
[INFO] [stdout]  --> src/cpu.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | struct Cpu {
[INFO] [stdout]   |        ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/cpu.rs:19:8
[INFO] [stdout]    |
[INFO] [stdout] 19 |     fn new() -> Cpu {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `current_opcode`
[INFO] [stdout]   --> src/cpu.rs:31:8
[INFO] [stdout]    |
[INFO] [stdout] 31 |     fn current_opcode(&mut self) -> u16 {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `process_opcode`
[INFO] [stdout]   --> src/cpu.rs:38:8
[INFO] [stdout]    |
[INFO] [stdout] 38 |     fn process_opcode(&mut self) {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.45s
[INFO] running `Command { std: "docker" "inspect" "ce9447bd3df990e2ec1525dac2ee32797d1ffa6f8d30ca0b0bc1d49a1e6f45c7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ce9447bd3df990e2ec1525dac2ee32797d1ffa6f8d30ca0b0bc1d49a1e6f45c7", kill_on_drop: false }`
[INFO] [stdout] ce9447bd3df990e2ec1525dac2ee32797d1ffa6f8d30ca0b0bc1d49a1e6f45c7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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=forbid" "-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@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 8447786a27361dd826f88ec099df2a2ca392f9b001b87019ce9cd2c28720e00c
[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" "8447786a27361dd826f88ec099df2a2ca392f9b001b87019ce9cd2c28720e00c", kill_on_drop: false }`
[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: associated function is never used: `new`
[INFO] [stderr]   --> src/cpu.rs:19:8
[INFO] [stderr]    |
[INFO] [stderr] 19 |     fn new() -> Cpu {
[INFO] [stderr]    |        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `current_opcode`
[INFO] [stderr]   --> src/cpu.rs:31:8
[INFO] [stderr]    |
[INFO] [stderr] 31 |     fn current_opcode(&mut self) -> u16 {
[INFO] [stderr]    |        ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `process_opcode`
[INFO] [stderr]   --> src/cpu.rs:38:8
[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: associated function is never used: `new`
[INFO] [stderr]   --> src/cpu.rs:19:8
[INFO] [stderr]    |
[INFO] [stderr] 19 |     fn new() -> Cpu {
[INFO] [stderr]    |        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `current_opcode`
[INFO] [stderr]   --> src/cpu.rs:31:8
[INFO] [stderr]    |
[INFO] [stderr] 31 |     fn current_opcode(&mut self) -> u16 {
[INFO] [stderr]    |        ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `process_opcode`
[INFO] [stderr]   --> src/cpu.rs:38:8
[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 0.01s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/chip_9-f05592b3d3c1e0c4
[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] [stderr]      Running /opt/rustwide/target/debug/deps/chip_9-e6507ce0bf4de8eb
[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 `Command { std: "docker" "inspect" "8447786a27361dd826f88ec099df2a2ca392f9b001b87019ce9cd2c28720e00c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8447786a27361dd826f88ec099df2a2ca392f9b001b87019ce9cd2c28720e00c", kill_on_drop: false }`
[INFO] [stdout] 8447786a27361dd826f88ec099df2a2ca392f9b001b87019ce9cd2c28720e00c