[INFO] cloning repository https://github.com/kaminarifox/rusty_chip_eight
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/kaminarifox/rusty_chip_eight" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkaminarifox%2Frusty_chip_eight", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkaminarifox%2Frusty_chip_eight'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 73e697443331f9b72a88e1548ad3791f41d68ed6
[INFO] testing kaminarifox/rusty_chip_eight against try#ce59db7a1b1b012fb2793c4641c1bdecad7a128b for pr-85530
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkaminarifox%2Frusty_chip_eight" "/workspace/builds/worker-14/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-14/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/kaminarifox/rusty_chip_eight on toolchain ce59db7a1b1b012fb2793c4641c1bdecad7a128b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/kaminarifox/rusty_chip_eight
[INFO] finished tweaking git repo https://github.com/kaminarifox/rusty_chip_eight
[INFO] tweaked toml for git repo https://github.com/kaminarifox/rusty_chip_eight written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] crate git repo https://github.com/kaminarifox/rusty_chip_eight already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 588fc101f66a7ce0248631d94a7082f4872d07352e3be2c411056b5b45839bc2
[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" "588fc101f66a7ce0248631d94a7082f4872d07352e3be2c411056b5b45839bc2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "588fc101f66a7ce0248631d94a7082f4872d07352e3be2c411056b5b45839bc2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "588fc101f66a7ce0248631d94a7082f4872d07352e3be2c411056b5b45839bc2", kill_on_drop: false }`
[INFO] [stdout] 588fc101f66a7ce0248631d94a7082f4872d07352e3be2c411056b5b45839bc2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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=forbid" "-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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 900837bab0ac826e67e2f5527b64ce3eead963b664003c17e086faf2eaf57c54
[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" "900837bab0ac826e67e2f5527b64ce3eead963b664003c17e086faf2eaf57c54", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling hex v0.4.2
[INFO] [stderr]    Compiling rusty_chip_eight v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `crate::interpreter::Cpu`
[INFO] [stdout]  --> src/memory.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use crate::interpreter::Cpu;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/memory.rs:28:13
[INFO] [stdout]    |
[INFO] [stdout] 28 |         let mut high_bits = (self.ram[self.pc] as u16) << 8;
[INFO] [stdout]    |             ----^^^^^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_addr`
[INFO] [stdout]   --> src/interpreter.rs:13:8
[INFO] [stdout]    |
[INFO] [stdout] 13 |     fn get_addr(opcode: &u16) -> u16 {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `i_reg`
[INFO] [stdout]   --> src/interpreter.rs:24:5
[INFO] [stdout]    |
[INFO] [stdout] 24 |     i_reg: u16,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `set_i`
[INFO] [stdout]    --> src/interpreter.rs:148:8
[INFO] [stdout]     |
[INFO] [stdout] 148 |     fn set_i(&mut self, opcode: &u16) {
[INFO] [stdout]     |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `stack`
[INFO] [stdout]  --> src/memory.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 |     stack: Vec<u8>,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/memory.rs:23:9
[INFO] [stdout]    |
[INFO] [stdout] 23 |         file.read_to_end(&mut self.ram);
[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] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.20s
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "900837bab0ac826e67e2f5527b64ce3eead963b664003c17e086faf2eaf57c54", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "900837bab0ac826e67e2f5527b64ce3eead963b664003c17e086faf2eaf57c54", kill_on_drop: false }`
[INFO] [stdout] 900837bab0ac826e67e2f5527b64ce3eead963b664003c17e086faf2eaf57c54
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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=forbid" "-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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a9f4750dd41e944129cf4076372cc6b2a197ba9cb594dd68706f41ec70c8c1ca
[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" "a9f4750dd41e944129cf4076372cc6b2a197ba9cb594dd68706f41ec70c8c1ca", kill_on_drop: false }`
[INFO] [stderr]    Compiling rusty_chip_eight v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `crate::interpreter::Cpu`
[INFO] [stdout]  --> src/memory.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use crate::interpreter::Cpu;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/memory.rs:28:13
[INFO] [stdout]    |
[INFO] [stdout] 28 |         let mut high_bits = (self.ram[self.pc] as u16) << 8;
[INFO] [stdout]    |             ----^^^^^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_addr`
[INFO] [stdout]   --> src/interpreter.rs:13:8
[INFO] [stdout]    |
[INFO] [stdout] 13 |     fn get_addr(opcode: &u16) -> u16 {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `i_reg`
[INFO] [stdout]   --> src/interpreter.rs:24:5
[INFO] [stdout]    |
[INFO] [stdout] 24 |     i_reg: u16,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `set_i`
[INFO] [stdout]    --> src/interpreter.rs:148:8
[INFO] [stdout]     |
[INFO] [stdout] 148 |     fn set_i(&mut self, opcode: &u16) {
[INFO] [stdout]     |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `stack`
[INFO] [stdout]  --> src/memory.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 |     stack: Vec<u8>,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/memory.rs:23:9
[INFO] [stdout]    |
[INFO] [stdout] 23 |         file.read_to_end(&mut self.ram);
[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 0.46s
[INFO] running `Command { std: "docker" "inspect" "a9f4750dd41e944129cf4076372cc6b2a197ba9cb594dd68706f41ec70c8c1ca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a9f4750dd41e944129cf4076372cc6b2a197ba9cb594dd68706f41ec70c8c1ca", kill_on_drop: false }`
[INFO] [stdout] a9f4750dd41e944129cf4076372cc6b2a197ba9cb594dd68706f41ec70c8c1ca
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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=forbid" "-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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] a5c09c2e940a7cb57dddad4717458d7c7284ea70349743516a2bc66ef27c08de
[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" "a5c09c2e940a7cb57dddad4717458d7c7284ea70349743516a2bc66ef27c08de", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr] warning: unused import: `crate::interpreter::Cpu`
[INFO] [stdout] running 0 tests
[INFO] [stderr]  --> src/memory.rs:4:5
[INFO] [stdout] 
[INFO] [stderr]   |
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr] 4 | use crate::interpreter::Cpu;
[INFO] [stdout] 
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/memory.rs:28:13
[INFO] [stderr]    |
[INFO] [stderr] 28 |         let mut high_bits = (self.ram[self.pc] as u16) << 8;
[INFO] [stderr]    |             ----^^^^^^^^^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `get_addr`
[INFO] [stderr]   --> src/interpreter.rs:13:8
[INFO] [stderr]    |
[INFO] [stderr] 13 |     fn get_addr(opcode: &u16) -> u16 {
[INFO] [stderr]    |        ^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `i_reg`
[INFO] [stderr]   --> src/interpreter.rs:24:5
[INFO] [stderr]    |
[INFO] [stderr] 24 |     i_reg: u16,
[INFO] [stderr]    |     ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `set_i`
[INFO] [stderr]    --> src/interpreter.rs:148:8
[INFO] [stderr]     |
[INFO] [stderr] 148 |     fn set_i(&mut self, opcode: &u16) {
[INFO] [stderr]     |        ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `stack`
[INFO] [stderr]  --> src/memory.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 |     stack: Vec<u8>,
[INFO] [stderr]   |     ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]   --> src/memory.rs:23:9
[INFO] [stderr]    |
[INFO] [stderr] 23 |         file.read_to_end(&mut self.ram);
[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: 7 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rusty_chip_eight-1440f5943021a00f)
[INFO] running `Command { std: "docker" "inspect" "a5c09c2e940a7cb57dddad4717458d7c7284ea70349743516a2bc66ef27c08de", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a5c09c2e940a7cb57dddad4717458d7c7284ea70349743516a2bc66ef27c08de", kill_on_drop: false }`
[INFO] [stdout] a5c09c2e940a7cb57dddad4717458d7c7284ea70349743516a2bc66ef27c08de