[INFO] cloning repository https://github.com/jimc66/AofC2022
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jimc66/AofC2022" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjimc66%2FAofC2022", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjimc66%2FAofC2022'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 18f6330b053e57131d25ed953132c6a9360e34fb
[INFO] testing jimc66/AofC2022 against beta-2026-04-21 for beta-1.96-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjimc66%2FAofC2022" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/jimc66/AofC2022
[INFO] finished tweaking git repo https://github.com/jimc66/AofC2022
[INFO] tweaked toml for git repo https://github.com/jimc66/AofC2022 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/jimc66/AofC2022 on toolchain beta-2026-04-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-04-21" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/jimc66/AofC2022 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-04-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 81159a1b2f45f2cf3a689e43523225c7cdf8ac4c2925d1ed8a037fd92dad208a
[INFO] running `Command { std: "docker" "start" "-a" "81159a1b2f45f2cf3a689e43523225c7cdf8ac4c2925d1ed8a037fd92dad208a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "81159a1b2f45f2cf3a689e43523225c7cdf8ac4c2925d1ed8a037fd92dad208a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "81159a1b2f45f2cf3a689e43523225c7cdf8ac4c2925d1ed8a037fd92dad208a", kill_on_drop: false }`
[INFO] [stdout] 81159a1b2f45f2cf3a689e43523225c7cdf8ac4c2925d1ed8a037fd92dad208a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8207e5728192ce98487e8c59555b0e06c3d6b750ff782e7e7d8a21706fdd886b
[INFO] running `Command { std: "docker" "start" "-a" "8207e5728192ce98487e8c59555b0e06c3d6b750ff782e7e7d8a21706fdd886b", kill_on_drop: false }`
[INFO] [stderr]    Compiling test_hello v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `num`
[INFO] [stdout]  --> src/day9.rs:2:15
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::{fs, num};
[INFO] [stdout]   |               ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/day9.rs:65:9
[INFO] [stdout]    |
[INFO] [stdout] 65 |     let mut vec_tail:Vec<Coordinates> =Vec::new(); 
[INFO] [stdout]    |         ----^^^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/day9.rs:82:9
[INFO] [stdout]    |
[INFO] [stdout] 82 |     let mut new_tail_coords2 = tail_loc.clone();
[INFO] [stdout]    |         ----^^^^^^^^^^^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `vec_tail`
[INFO] [stdout]   --> src/day9.rs:65:9
[INFO] [stdout]    |
[INFO] [stdout] 65 |     let mut vec_tail:Vec<Coordinates> =Vec::new(); 
[INFO] [stdout]    |         ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_vec_tail`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `new_tail_coords2`
[INFO] [stdout]   --> src/day9.rs:82:9
[INFO] [stdout]    |
[INFO] [stdout] 82 |     let mut new_tail_coords2 = tail_loc.clone();
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_new_tail_coords2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `hashkey2`
[INFO] [stdout]   --> src/day9.rs:87:9
[INFO] [stdout]    |
[INFO] [stdout] 87 |     let hashkey2 = String::from("1-0");
[INFO] [stdout]    |         ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_hashkey2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `hashkey3`
[INFO] [stdout]   --> src/day9.rs:88:9
[INFO] [stdout]    |
[INFO] [stdout] 88 |     let hashkey3 = hashkey1.clone();
[INFO] [stdout]    |         ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_hashkey3`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/day9.rs:111:9
[INFO] [stdout]     |
[INFO] [stdout] 111 |     let mut tail_x_pos = local_tail_loc.x.clone();
[INFO] [stdout]     |         ----^^^^^^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/day9.rs:112:9
[INFO] [stdout]     |
[INFO] [stdout] 112 |     let mut tail_y_pos = local_tail_loc.y.clone();
[INFO] [stdout]     |         ----^^^^^^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `our_tail_copy`
[INFO] [stdout]    --> src/day9.rs:138:25
[INFO] [stdout]     |
[INFO] [stdout] 138 |                     let our_tail_copy = updated_tail_loc.clone();
[INFO] [stdout]     |                         ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_our_tail_copy`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `our_tail_copy2`
[INFO] [stdout]    --> src/day9.rs:139:25
[INFO] [stdout]     |
[INFO] [stdout] 139 |                     let our_tail_copy2 = updated_tail_loc.clone();
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_our_tail_copy2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `our_tail_copy3`
[INFO] [stdout]    --> src/day9.rs:140:25
[INFO] [stdout]     |
[INFO] [stdout] 140 |                     let our_tail_copy3 = updated_tail_loc.clone();
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_our_tail_copy3`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `abs_x_delta`
[INFO] [stdout]    --> src/day9.rs:195:5
[INFO] [stdout]     |
[INFO] [stdout] 195 | let abs_x_delta = x_delta.abs();
[INFO] [stdout]     |     ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_abs_x_delta`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `abs_y_delta`
[INFO] [stdout]    --> src/day9.rs:197:5
[INFO] [stdout]     |
[INFO] [stdout] 197 | let abs_y_delta = y_delta.abs();
[INFO] [stdout]     |     ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_abs_y_delta`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `number_instructions` is never used
[INFO] [stdout]   --> src/day9.rs:54:11
[INFO] [stdout]    |
[INFO] [stdout] 54 |     const number_instructions:usize = 8;
[INFO] [stdout]    |           ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `number_instructions` should have an upper case name
[INFO] [stdout]   --> src/day9.rs:54:11
[INFO] [stdout]    |
[INFO] [stdout] 54 |     const number_instructions:usize = 8;
[INFO] [stdout]    |           ^^^^^^^^^^^^^^^^^^^ help: convert the identifier to upper case: `NUMBER_INSTRUCTIONS`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_upper_case_globals)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.48s
[INFO] running `Command { std: "docker" "inspect" "8207e5728192ce98487e8c59555b0e06c3d6b750ff782e7e7d8a21706fdd886b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8207e5728192ce98487e8c59555b0e06c3d6b750ff782e7e7d8a21706fdd886b", kill_on_drop: false }`
[INFO] [stdout] 8207e5728192ce98487e8c59555b0e06c3d6b750ff782e7e7d8a21706fdd886b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fa4817d15d27a0a71feec3a97d3acad7ef201b67b1b94592230cfdb97807c00c
[INFO] running `Command { std: "docker" "start" "-a" "fa4817d15d27a0a71feec3a97d3acad7ef201b67b1b94592230cfdb97807c00c", kill_on_drop: false }`
[INFO] [stderr]    Compiling test_hello v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `num`
[INFO] [stdout]  --> src/day9.rs:2:15
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::{fs, num};
[INFO] [stdout]   |               ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/day9.rs:65:9
[INFO] [stdout]    |
[INFO] [stdout] 65 |     let mut vec_tail:Vec<Coordinates> =Vec::new(); 
[INFO] [stdout]    |         ----^^^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/day9.rs:82:9
[INFO] [stdout]    |
[INFO] [stdout] 82 |     let mut new_tail_coords2 = tail_loc.clone();
[INFO] [stdout]    |         ----^^^^^^^^^^^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `vec_tail`
[INFO] [stdout]   --> src/day9.rs:65:9
[INFO] [stdout]    |
[INFO] [stdout] 65 |     let mut vec_tail:Vec<Coordinates> =Vec::new(); 
[INFO] [stdout]    |         ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_vec_tail`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `new_tail_coords2`
[INFO] [stdout]   --> src/day9.rs:82:9
[INFO] [stdout]    |
[INFO] [stdout] 82 |     let mut new_tail_coords2 = tail_loc.clone();
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_new_tail_coords2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `hashkey2`
[INFO] [stdout]   --> src/day9.rs:87:9
[INFO] [stdout]    |
[INFO] [stdout] 87 |     let hashkey2 = String::from("1-0");
[INFO] [stdout]    |         ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_hashkey2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `hashkey3`
[INFO] [stdout]   --> src/day9.rs:88:9
[INFO] [stdout]    |
[INFO] [stdout] 88 |     let hashkey3 = hashkey1.clone();
[INFO] [stdout]    |         ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_hashkey3`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/day9.rs:111:9
[INFO] [stdout]     |
[INFO] [stdout] 111 |     let mut tail_x_pos = local_tail_loc.x.clone();
[INFO] [stdout]     |         ----^^^^^^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/day9.rs:112:9
[INFO] [stdout]     |
[INFO] [stdout] 112 |     let mut tail_y_pos = local_tail_loc.y.clone();
[INFO] [stdout]     |         ----^^^^^^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `our_tail_copy`
[INFO] [stdout]    --> src/day9.rs:138:25
[INFO] [stdout]     |
[INFO] [stdout] 138 |                     let our_tail_copy = updated_tail_loc.clone();
[INFO] [stdout]     |                         ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_our_tail_copy`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `our_tail_copy2`
[INFO] [stdout]    --> src/day9.rs:139:25
[INFO] [stdout]     |
[INFO] [stdout] 139 |                     let our_tail_copy2 = updated_tail_loc.clone();
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_our_tail_copy2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `our_tail_copy3`
[INFO] [stdout]    --> src/day9.rs:140:25
[INFO] [stdout]     |
[INFO] [stdout] 140 |                     let our_tail_copy3 = updated_tail_loc.clone();
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_our_tail_copy3`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `abs_x_delta`
[INFO] [stdout]    --> src/day9.rs:195:5
[INFO] [stdout]     |
[INFO] [stdout] 195 | let abs_x_delta = x_delta.abs();
[INFO] [stdout]     |     ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_abs_x_delta`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `abs_y_delta`
[INFO] [stdout]    --> src/day9.rs:197:5
[INFO] [stdout]     |
[INFO] [stdout] 197 | let abs_y_delta = y_delta.abs();
[INFO] [stdout]     |     ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_abs_y_delta`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `number_instructions` is never used
[INFO] [stdout]   --> src/day9.rs:54:11
[INFO] [stdout]    |
[INFO] [stdout] 54 |     const number_instructions:usize = 8;
[INFO] [stdout]    |           ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `number_instructions` should have an upper case name
[INFO] [stdout]   --> src/day9.rs:54:11
[INFO] [stdout]    |
[INFO] [stdout] 54 |     const number_instructions:usize = 8;
[INFO] [stdout]    |           ^^^^^^^^^^^^^^^^^^^ help: convert the identifier to upper case: `NUMBER_INSTRUCTIONS`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_upper_case_globals)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.36s
[INFO] running `Command { std: "docker" "inspect" "fa4817d15d27a0a71feec3a97d3acad7ef201b67b1b94592230cfdb97807c00c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fa4817d15d27a0a71feec3a97d3acad7ef201b67b1b94592230cfdb97807c00c", kill_on_drop: false }`
[INFO] [stdout] fa4817d15d27a0a71feec3a97d3acad7ef201b67b1b94592230cfdb97807c00c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 73956f84342a1f6442660f7c37ef7c09d4876b942218d5687c891462b503de13
[INFO] running `Command { std: "docker" "start" "-a" "73956f84342a1f6442660f7c37ef7c09d4876b942218d5687c891462b503de13", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `num`
[INFO] [stderr]  --> src/day9.rs:2:15
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::{fs, num};
[INFO] [stderr]   |               ^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/day9.rs:65:9
[INFO] [stderr]    |
[INFO] [stderr] 65 |     let mut vec_tail:Vec<Coordinates> =Vec::new(); 
[INFO] [stderr]    |         ----^^^^^^^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/day9.rs:82:9
[INFO] [stderr]    |
[INFO] [stderr] 82 |     let mut new_tail_coords2 = tail_loc.clone();
[INFO] [stderr]    |         ----^^^^^^^^^^^^^^^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `vec_tail`
[INFO] [stderr]   --> src/day9.rs:65:9
[INFO] [stderr]    |
[INFO] [stderr] 65 |     let mut vec_tail:Vec<Coordinates> =Vec::new(); 
[INFO] [stderr]    |         ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_vec_tail`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `new_tail_coords2`
[INFO] [stderr]   --> src/day9.rs:82:9
[INFO] [stderr]    |
[INFO] [stderr] 82 |     let mut new_tail_coords2 = tail_loc.clone();
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_new_tail_coords2`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `hashkey2`
[INFO] [stderr]   --> src/day9.rs:87:9
[INFO] [stderr]    |
[INFO] [stderr] 87 |     let hashkey2 = String::from("1-0");
[INFO] [stderr]    |         ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_hashkey2`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `hashkey3`
[INFO] [stderr]   --> src/day9.rs:88:9
[INFO] [stderr]    |
[INFO] [stderr] 88 |     let hashkey3 = hashkey1.clone();
[INFO] [stderr]    |         ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_hashkey3`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/day9.rs:111:9
[INFO] [stderr]     |
[INFO] [stderr] 111 |     let mut tail_x_pos = local_tail_loc.x.clone();
[INFO] [stderr]     |         ----^^^^^^^^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/day9.rs:112:9
[INFO] [stderr]     |
[INFO] [stderr] 112 |     let mut tail_y_pos = local_tail_loc.y.clone();
[INFO] [stderr]     |         ----^^^^^^^^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `our_tail_copy`
[INFO] [stderr]    --> src/day9.rs:138:25
[INFO] [stderr]     |
[INFO] [stderr] 138 |                     let our_tail_copy = updated_tail_loc.clone();
[INFO] [stderr]     |                         ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_our_tail_copy`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `our_tail_copy2`
[INFO] [stderr]    --> src/day9.rs:139:25
[INFO] [stderr]     |
[INFO] [stderr] 139 |                     let our_tail_copy2 = updated_tail_loc.clone();
[INFO] [stderr]     |                         ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_our_tail_copy2`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `our_tail_copy3`
[INFO] [stderr]    --> src/day9.rs:140:25
[INFO] [stderr]     |
[INFO] [stderr] 140 |                     let our_tail_copy3 = updated_tail_loc.clone();
[INFO] [stderr]     |                         ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_our_tail_copy3`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `abs_x_delta`
[INFO] [stderr]    --> src/day9.rs:195:5
[INFO] [stderr]     |
[INFO] [stderr] 195 | let abs_x_delta = x_delta.abs();
[INFO] [stderr]     |     ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_abs_x_delta`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `abs_y_delta`
[INFO] [stderr]    --> src/day9.rs:197:5
[INFO] [stderr]     |
[INFO] [stderr] 197 | let abs_y_delta = y_delta.abs();
[INFO] [stderr]     |     ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_abs_y_delta`
[INFO] [stderr] 
[INFO] [stderr] warning: constant `number_instructions` is never used
[INFO] [stderr]   --> src/day9.rs:54:11
[INFO] [stderr]    |
[INFO] [stderr] 54 |     const number_instructions:usize = 8;
[INFO] [stderr]    |           ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: constant `number_instructions` should have an upper case name
[INFO] [stderr]   --> src/day9.rs:54:11
[INFO] [stderr]    |
[INFO] [stderr] 54 |     const number_instructions:usize = 8;
[INFO] [stderr]    |           ^^^^^^^^^^^^^^^^^^^ help: convert the identifier to upper case: `NUMBER_INSTRUCTIONS`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(non_upper_case_globals)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `test_hello` (bin "test_hello" test) generated 16 warnings (run `cargo fix --bin "test_hello" -p test_hello --tests` to apply 15 suggestions)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/test_hello-b0bbfa15b85413c9)
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "73956f84342a1f6442660f7c37ef7c09d4876b942218d5687c891462b503de13", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "73956f84342a1f6442660f7c37ef7c09d4876b942218d5687c891462b503de13", kill_on_drop: false }`
[INFO] [stdout] 73956f84342a1f6442660f7c37ef7c09d4876b942218d5687c891462b503de13
