[INFO] cloning repository https://github.com/virome/rustic-6502
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/virome/rustic-6502" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvirome%2Frustic-6502", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvirome%2Frustic-6502'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8c4ab03a234155b3cda1e706201f59b6bcf0d1e8
[INFO] checking virome/rustic-6502 against master#9503ea19edbf01b9435e80e17d60ce1b88390116 for pr-81782
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvirome%2Frustic-6502" "/workspace/builds/worker-1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/virome/rustic-6502 on toolchain 9503ea19edbf01b9435e80e17d60ce1b88390116
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9503ea19edbf01b9435e80e17d60ce1b88390116" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/virome/rustic-6502
[INFO] finished tweaking git repo https://github.com/virome/rustic-6502
[INFO] tweaked toml for git repo https://github.com/virome/rustic-6502 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/virome/rustic-6502 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9503ea19edbf01b9435e80e17d60ce1b88390116" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "rustops/crates-build-env@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+9503ea19edbf01b9435e80e17d60ce1b88390116" "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] 6eeeb0c692d1ae184e4050fc50830e8165a7b13e490875c4ed406833c7a4e73a
[INFO] running `Command { std: "docker" "start" "-a" "6eeeb0c692d1ae184e4050fc50830e8165a7b13e490875c4ed406833c7a4e73a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6eeeb0c692d1ae184e4050fc50830e8165a7b13e490875c4ed406833c7a4e73a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6eeeb0c692d1ae184e4050fc50830e8165a7b13e490875c4ed406833c7a4e73a", kill_on_drop: false }`
[INFO] [stdout] 6eeeb0c692d1ae184e4050fc50830e8165a7b13e490875c4ed406833c7a4e73a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "rustops/crates-build-env@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+9503ea19edbf01b9435e80e17d60ce1b88390116" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 044ae1700462d95cf6c2bdbe8a7e5685d13fb34ff65ed1dac4656b583d800aba
[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" "044ae1700462d95cf6c2bdbe8a7e5685d13fb34ff65ed1dac4656b583d800aba", kill_on_drop: false }`
[INFO] [stderr]     Checking rustic-6502 v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::io`
[INFO] [stdout]  --> src/cpu.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use std::io; // For debugging
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]    --> src/cpu.rs:219:9
[INFO] [stdout]     |
[INFO] [stdout] 219 |         (upper | lower)
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io`
[INFO] [stdout]  --> src/cpu.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use std::io; // For debugging
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]    --> src/cpu.rs:219:9
[INFO] [stdout]     |
[INFO] [stdout] 219 |         (upper | lower)
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `prefix`
[INFO] [stdout]   --> src/main.rs:27:30
[INFO] [stdout]    |
[INFO] [stdout] 27 |                         let (prefix, number) = arg.split_at(2);
[INFO] [stdout]    |                              ^^^^^^ help: if this is intentional, prefix it with an underscore: `_prefix`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `prefix`
[INFO] [stdout]   --> src/main.rs:27:30
[INFO] [stdout]    |
[INFO] [stdout] 27 |                         let (prefix, number) = arg.split_at(2);
[INFO] [stdout]    |                              ^^^^^^ help: if this is intentional, prefix it with an underscore: `_prefix`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]   --> src/main.rs:42:13
[INFO] [stdout]    |
[INFO] [stdout] 42 |         Err(e) => panic!("File \"{}\" could not be opened.", &filename),
[INFO] [stdout]    |             ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `size`
[INFO] [stdout]   --> src/main.rs:46:12
[INFO] [stdout]    |
[INFO] [stdout] 46 |         Ok(size) => (),
[INFO] [stdout]    |            ^^^^ help: if this is intentional, prefix it with an underscore: `_size`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]   --> src/main.rs:47:13
[INFO] [stdout]    |
[INFO] [stdout] 47 |         Err(e) => panic!("File \"{}\" could not be read.", &filename),
[INFO] [stdout]    |             ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]   --> src/main.rs:42:13
[INFO] [stdout]    |
[INFO] [stdout] 42 |         Err(e) => panic!("File \"{}\" could not be opened.", &filename),
[INFO] [stdout]    |             ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `size`
[INFO] [stdout]   --> src/main.rs:46:12
[INFO] [stdout]    |
[INFO] [stdout] 46 |         Ok(size) => (),
[INFO] [stdout]    |            ^^^^ help: if this is intentional, prefix it with an underscore: `_size`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]   --> src/main.rs:47:13
[INFO] [stdout]    |
[INFO] [stdout] 47 |         Err(e) => panic!("File \"{}\" could not be read.", &filename),
[INFO] [stdout]    |             ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `FINTERUPT`
[INFO] [stdout]   --> src/cpu.rs:14:1
[INFO] [stdout]    |
[INFO] [stdout] 14 | const FINTERUPT: u8 = 0b0000_0100;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `FBRK`
[INFO] [stdout]   --> src/cpu.rs:16:1
[INFO] [stdout]    |
[INFO] [stdout] 16 | const FBRK: u8 =      0b0001_0000;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `FINTERUPT`
[INFO] [stdout]   --> src/cpu.rs:14:1
[INFO] [stdout]    |
[INFO] [stdout] 14 | const FINTERUPT: u8 = 0b0000_0100;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `FBRK`
[INFO] [stdout]   --> src/cpu.rs:16:1
[INFO] [stdout]    |
[INFO] [stdout] 16 | const FBRK: u8 =      0b0001_0000;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.77s
[INFO] running `Command { std: "docker" "inspect" "044ae1700462d95cf6c2bdbe8a7e5685d13fb34ff65ed1dac4656b583d800aba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "044ae1700462d95cf6c2bdbe8a7e5685d13fb34ff65ed1dac4656b583d800aba", kill_on_drop: false }`
[INFO] [stdout] 044ae1700462d95cf6c2bdbe8a7e5685d13fb34ff65ed1dac4656b583d800aba