[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] checking kaminarifox/rusty_chip_eight against try#a7a572ce3edd6d476191fbfe92c9c1986e009b34 for pr-87190-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkaminarifox%2Frusty_chip_eight" "/workspace/builds/worker-63/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-63/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/kaminarifox/rusty_chip_eight on toolchain a7a572ce3edd6d476191fbfe92c9c1986e009b34
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "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-63/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" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-63/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-63/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 16ccaebce1d89a3f3ea07db4e9b2984330480d99a852c519937eadaa67505533
[INFO] running `Command { std: "docker" "start" "-a" "16ccaebce1d89a3f3ea07db4e9b2984330480d99a852c519937eadaa67505533", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "16ccaebce1d89a3f3ea07db4e9b2984330480d99a852c519937eadaa67505533", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "16ccaebce1d89a3f3ea07db4e9b2984330480d99a852c519937eadaa67505533", kill_on_drop: false }`
[INFO] [stdout] 16ccaebce1d89a3f3ea07db4e9b2984330480d99a852c519937eadaa67505533
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-63/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-63/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5c1f4b52ca40915f668f7ae6e338c47132b3732cd911245be923e9fbc4e0be66
[INFO] running `Command { std: "docker" "start" "-a" "5c1f4b52ca40915f668f7ae6e338c47132b3732cd911245be923e9fbc4e0be66", kill_on_drop: false }`
[INFO] [stderr] Copying to /tmp/fixit
[INFO] [stderr] Running `cargo fix --edition`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking rusty_chip_eight v0.1.0 (/tmp/fixit)
[INFO] [stderr]    Migrating src/main.rs from 2018 edition to 2021
[INFO] [stderr]        Fixed src/memory.rs (2 fixes)
[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: 5 warnings emitted
[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 3.85s
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] Running `cargo check` to verify 2021
[INFO] [stderr]     Checking rusty_chip_eight v0.1.0 (/tmp/fixit)
[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: 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: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.80s
[INFO] running `Command { std: "docker" "inspect" "5c1f4b52ca40915f668f7ae6e338c47132b3732cd911245be923e9fbc4e0be66", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5c1f4b52ca40915f668f7ae6e338c47132b3732cd911245be923e9fbc4e0be66", kill_on_drop: false }`
[INFO] [stdout] 5c1f4b52ca40915f668f7ae6e338c47132b3732cd911245be923e9fbc4e0be66