[INFO] cloning repository https://github.com/matthew86707/RustAdvent
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/matthew86707/RustAdvent" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmatthew86707%2FRustAdvent", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmatthew86707%2FRustAdvent'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b9be942a4d1fea2fa01db73bb287e1e4c6706a5f
[INFO] building matthew86707/RustAdvent against master#70591dc15db32941fe3595fdbf98e58d6975f95e for pr-127731
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmatthew86707%2FRustAdvent" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/matthew86707/RustAdvent on toolchain 70591dc15db32941fe3595fdbf98e58d6975f95e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+70591dc15db32941fe3595fdbf98e58d6975f95e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/matthew86707/RustAdvent
[INFO] finished tweaking git repo https://github.com/matthew86707/RustAdvent
[INFO] tweaked toml for git repo https://github.com/matthew86707/RustAdvent written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/matthew86707/RustAdvent 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" "+70591dc15db32941fe3595fdbf98e58d6975f95e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+70591dc15db32941fe3595fdbf98e58d6975f95e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4843333ef3d8829bdabf61205ae7d9ce7475614365b517d5ceda329f46fa7847
[INFO] running `Command { std: "docker" "start" "-a" "4843333ef3d8829bdabf61205ae7d9ce7475614365b517d5ceda329f46fa7847", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4843333ef3d8829bdabf61205ae7d9ce7475614365b517d5ceda329f46fa7847", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4843333ef3d8829bdabf61205ae7d9ce7475614365b517d5ceda329f46fa7847", kill_on_drop: false }`
[INFO] [stdout] 4843333ef3d8829bdabf61205ae7d9ce7475614365b517d5ceda329f46fa7847
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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" "RUSTDOCFLAGS=--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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+70591dc15db32941fe3595fdbf98e58d6975f95e" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2d94e5ba573cd8e83697b5cbd6eec180d31fdcd237269924bdb69106cb7b1c1f
[INFO] running `Command { std: "docker" "start" "-a" "2d94e5ba573cd8e83697b5cbd6eec180d31fdcd237269924bdb69106cb7b1c1f", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021
[INFO] [stderr]    Compiling RustAdvent v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]   --> src/main.rs:69:4
[INFO] [stdout]    |
[INFO] [stdout] 69 |     if(this_group.inner_groups.len() < 1){
[INFO] [stdout]    |       ^                                 ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 69 -     if(this_group.inner_groups.len() < 1){
[INFO] [stdout] 69 +     if this_group.inner_groups.len() < 1 {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io::Cursor`
[INFO] [stdout]   --> src/main.rs:89:6
[INFO] [stdout]    |
[INFO] [stdout] 89 |     use std::io::Cursor;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `groups`
[INFO] [stdout]   --> src/main.rs:13:10
[INFO] [stdout]    |
[INFO] [stdout] 13 |     let mut groups : Vec<Vec<char>> = Vec::new();
[INFO] [stdout]    |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_groups`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `root_group`
[INFO] [stdout]   --> src/main.rs:14:10
[INFO] [stdout]    |
[INFO] [stdout] 14 |     let mut root_group : Group = Group {
[INFO] [stdout]    |             ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_root_group`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:10:6
[INFO] [stdout]    |
[INFO] [stdout] 10 |     let mut characters = get_char_array_from_bytes(raw_bytes);
[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: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:13:6
[INFO] [stdout]    |
[INFO] [stdout] 13 |     let mut groups : Vec<Vec<char>> = Vec::new();
[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/main.rs:14:6
[INFO] [stdout]    |
[INFO] [stdout] 14 |     let mut root_group : Group = Group {
[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/main.rs:52:10
[INFO] [stdout]    |
[INFO] [stdout] 52 |                     let mut inner_group = find_inner_group(cursor_pos, this_group.group_depth, &characters);
[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/main.rs:75:5
[INFO] [stdout]    |
[INFO] [stdout] 75 | let mut total : i32 = value_of_children + 1;
[INFO] [stdout]    |     ----^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 9 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.14s
[INFO] running `Command { std: "docker" "inspect" "2d94e5ba573cd8e83697b5cbd6eec180d31fdcd237269924bdb69106cb7b1c1f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2d94e5ba573cd8e83697b5cbd6eec180d31fdcd237269924bdb69106cb7b1c1f", kill_on_drop: false }`
[INFO] [stdout] 2d94e5ba573cd8e83697b5cbd6eec180d31fdcd237269924bdb69106cb7b1c1f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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" "RUSTDOCFLAGS=--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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+70591dc15db32941fe3595fdbf98e58d6975f95e" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ceabc466f469d54f6db05be31163790a57e1aac9b2d84448dedc90d2d8b1ffdd
[INFO] running `Command { std: "docker" "start" "-a" "ceabc466f469d54f6db05be31163790a57e1aac9b2d84448dedc90d2d8b1ffdd", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021
[INFO] [stderr]    Compiling RustAdvent v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]   --> src/main.rs:69:4
[INFO] [stdout]    |
[INFO] [stdout] 69 |     if(this_group.inner_groups.len() < 1){
[INFO] [stdout]    |       ^                                 ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 69 -     if(this_group.inner_groups.len() < 1){
[INFO] [stdout] 69 +     if this_group.inner_groups.len() < 1 {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io::Cursor`
[INFO] [stdout]   --> src/main.rs:89:6
[INFO] [stdout]    |
[INFO] [stdout] 89 |     use std::io::Cursor;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `groups`
[INFO] [stdout]   --> src/main.rs:13:10
[INFO] [stdout]    |
[INFO] [stdout] 13 |     let mut groups : Vec<Vec<char>> = Vec::new();
[INFO] [stdout]    |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_groups`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `root_group`
[INFO] [stdout]   --> src/main.rs:14:10
[INFO] [stdout]    |
[INFO] [stdout] 14 |     let mut root_group : Group = Group {
[INFO] [stdout]    |             ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_root_group`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:10:6
[INFO] [stdout]    |
[INFO] [stdout] 10 |     let mut characters = get_char_array_from_bytes(raw_bytes);
[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: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:13:6
[INFO] [stdout]    |
[INFO] [stdout] 13 |     let mut groups : Vec<Vec<char>> = Vec::new();
[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/main.rs:14:6
[INFO] [stdout]    |
[INFO] [stdout] 14 |     let mut root_group : Group = Group {
[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/main.rs:52:10
[INFO] [stdout]    |
[INFO] [stdout] 52 |                     let mut inner_group = find_inner_group(cursor_pos, this_group.group_depth, &characters);
[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/main.rs:75:5
[INFO] [stdout]    |
[INFO] [stdout] 75 | let mut total : i32 = value_of_children + 1;
[INFO] [stdout]    |     ----^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 9 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.08s
[INFO] running `Command { std: "docker" "inspect" "ceabc466f469d54f6db05be31163790a57e1aac9b2d84448dedc90d2d8b1ffdd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ceabc466f469d54f6db05be31163790a57e1aac9b2d84448dedc90d2d8b1ffdd", kill_on_drop: false }`
[INFO] [stdout] ceabc466f469d54f6db05be31163790a57e1aac9b2d84448dedc90d2d8b1ffdd
[INFO] building matthew86707/RustAdvent against try#7587ff3622fbec0abf6ac551eab5226f22f5d958 for pr-127731
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmatthew86707%2FRustAdvent" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/matthew86707/RustAdvent on toolchain 7587ff3622fbec0abf6ac551eab5226f22f5d958
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+7587ff3622fbec0abf6ac551eab5226f22f5d958" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/matthew86707/RustAdvent
[INFO] finished tweaking git repo https://github.com/matthew86707/RustAdvent
[INFO] tweaked toml for git repo https://github.com/matthew86707/RustAdvent written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/matthew86707/RustAdvent 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" "+7587ff3622fbec0abf6ac551eab5226f22f5d958" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+7587ff3622fbec0abf6ac551eab5226f22f5d958" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] cccec1d434fa5a693b1dca1242171856e68968bbe5ed84de17a458be8c87b4d8
[INFO] running `Command { std: "docker" "start" "-a" "cccec1d434fa5a693b1dca1242171856e68968bbe5ed84de17a458be8c87b4d8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cccec1d434fa5a693b1dca1242171856e68968bbe5ed84de17a458be8c87b4d8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cccec1d434fa5a693b1dca1242171856e68968bbe5ed84de17a458be8c87b4d8", kill_on_drop: false }`
[INFO] [stdout] cccec1d434fa5a693b1dca1242171856e68968bbe5ed84de17a458be8c87b4d8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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=forbid" "-e" "RUSTDOCFLAGS=--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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+7587ff3622fbec0abf6ac551eab5226f22f5d958" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] dd254b198e91505fcc3c6d7708690ffda153a2646704ca2cbf3fcb66b7e2a0e0
[INFO] running `Command { std: "docker" "start" "-a" "dd254b198e91505fcc3c6d7708690ffda153a2646704ca2cbf3fcb66b7e2a0e0", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021
[INFO] [stderr]    Compiling RustAdvent v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]   --> src/main.rs:69:4
[INFO] [stdout]    |
[INFO] [stdout] 69 |     if(this_group.inner_groups.len() < 1){
[INFO] [stdout]    |       ^                                 ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 69 -     if(this_group.inner_groups.len() < 1){
[INFO] [stdout] 69 +     if this_group.inner_groups.len() < 1 {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io::Cursor`
[INFO] [stdout]   --> src/main.rs:89:6
[INFO] [stdout]    |
[INFO] [stdout] 89 |     use std::io::Cursor;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `groups`
[INFO] [stdout]   --> src/main.rs:13:10
[INFO] [stdout]    |
[INFO] [stdout] 13 |     let mut groups : Vec<Vec<char>> = Vec::new();
[INFO] [stdout]    |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_groups`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `root_group`
[INFO] [stdout]   --> src/main.rs:14:10
[INFO] [stdout]    |
[INFO] [stdout] 14 |     let mut root_group : Group = Group {
[INFO] [stdout]    |             ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_root_group`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:10:6
[INFO] [stdout]    |
[INFO] [stdout] 10 |     let mut characters = get_char_array_from_bytes(raw_bytes);
[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: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:13:6
[INFO] [stdout]    |
[INFO] [stdout] 13 |     let mut groups : Vec<Vec<char>> = Vec::new();
[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/main.rs:14:6
[INFO] [stdout]    |
[INFO] [stdout] 14 |     let mut root_group : Group = Group {
[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/main.rs:52:10
[INFO] [stdout]    |
[INFO] [stdout] 52 |                     let mut inner_group = find_inner_group(cursor_pos, this_group.group_depth, &characters);
[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/main.rs:75:5
[INFO] [stdout]    |
[INFO] [stdout] 75 | let mut total : i32 = value_of_children + 1;
[INFO] [stdout]    |     ----^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: linking with `cc` failed: exit status: 1
[INFO] [stdout]   |
[INFO] [stdout]   = note: LC_ALL="C" PATH="/opt/rustwide/rustup-home/toolchains/7587ff3622fbec0abf6ac551eab5226f22f5d958/lib/rustlib/x86_64-unknown-linux-gnu/bin:/opt/rustwide/rustup-home/toolchains/7587ff3622fbec0abf6ac551eab5226f22f5d958/lib/rustlib/x86_64-unknown-linux-gnu/bin/self-contained:/opt/rustwide/rustup-home/toolchains/7587ff3622fbec0abf6ac551eab5226f22f5d958/lib/rustlib/x86_64-unknown-linux-gnu/bin:/opt/rustwide/rustup-home/toolchains/7587ff3622fbec0abf6ac551eab5226f22f5d958/lib/rustlib/x86_64-unknown-linux-gnu/bin/self-contained:/opt/rustwide/rustup-home/toolchains/7587ff3622fbec0abf6ac551eab5226f22f5d958/lib/rustlib/x86_64-unknown-linux-gnu/bin:/opt/rustwide/rustup-home/toolchains/7587ff3622fbec0abf6ac551eab5226f22f5d958/lib/rustlib/x86_64-unknown-linux-gnu/bin/self-contained:/opt/rustwide/cargo-home/bin:/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin" VSLANG="1033" "cc" "-m64" "/tmp/rustc6i4jkf/symbols.o" "/opt/rustwide/target/debug/deps/RustAdvent-3d0876b912fabf1c.RustAdvent.6d4ec7ff0ee60599-cgu.0.rcgu.o" "/opt/rustwide/target/debug/deps/RustAdvent-3d0876b912fabf1c.3vs37chfwo9tlap21ospk6rab.rcgu.o" "-Wl,--as-needed" "-L" "/opt/rustwide/target/debug/deps" "-L" "/opt/rustwide/rustup-home/toolchains/7587ff3622fbec0abf6ac551eab5226f22f5d958/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-Wl,-Bstatic" "/opt/rustwide/rustup-home/toolchains/7587ff3622fbec0abf6ac551eab5226f22f5d958/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-164d8fd564e4a211.rlib" "/opt/rustwide/rustup-home/toolchains/7587ff3622fbec0abf6ac551eab5226f22f5d958/lib/rustlib/x86_64-unknown-linux-gnu/lib/libpanic_unwind-783334590566e0fc.rlib" "/opt/rustwide/rustup-home/toolchains/7587ff3622fbec0abf6ac551eab5226f22f5d958/lib/rustlib/x86_64-unknown-linux-gnu/lib/libobject-c61bd2663437c986.rlib" "/opt/rustwide/rustup-home/toolchains/7587ff3622fbec0abf6ac551eab5226f22f5d958/lib/rustlib/x86_64-unknown-linux-gnu/lib/libmemchr-3c8f3a81644cce25.rlib" "/opt/rustwide/rustup-home/toolchains/7587ff3622fbec0abf6ac551eab5226f22f5d958/lib/rustlib/x86_64-unknown-linux-gnu/lib/libaddr2line-1244532a75e334d2.rlib" "/opt/rustwide/rustup-home/toolchains/7587ff3622fbec0abf6ac551eab5226f22f5d958/lib/rustlib/x86_64-unknown-linux-gnu/lib/libgimli-3edd22dc47a4513c.rlib" "/opt/rustwide/rustup-home/toolchains/7587ff3622fbec0abf6ac551eab5226f22f5d958/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_demangle-c12887f7a732d2f0.rlib" "/opt/rustwide/rustup-home/toolchains/7587ff3622fbec0abf6ac551eab5226f22f5d958/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd_detect-d5dba12b1f233f3e.rlib" "/opt/rustwide/rustup-home/toolchains/7587ff3622fbec0abf6ac551eab5226f22f5d958/lib/rustlib/x86_64-unknown-linux-gnu/lib/libhashbrown-e323419cd7924de6.rlib" "/opt/rustwide/rustup-home/toolchains/7587ff3622fbec0abf6ac551eab5226f22f5d958/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_alloc-008b8c4c7649b293.rlib" "/opt/rustwide/rustup-home/toolchains/7587ff3622fbec0abf6ac551eab5226f22f5d958/lib/rustlib/x86_64-unknown-linux-gnu/lib/libminiz_oxide-1e9aca0e00b982af.rlib" "/opt/rustwide/rustup-home/toolchains/7587ff3622fbec0abf6ac551eab5226f22f5d958/lib/rustlib/x86_64-unknown-linux-gnu/lib/libadler-09eb8c2d25291926.rlib" "/opt/rustwide/rustup-home/toolchains/7587ff3622fbec0abf6ac551eab5226f22f5d958/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunwind-85ca560db35b8e52.rlib" "/opt/rustwide/rustup-home/toolchains/7587ff3622fbec0abf6ac551eab5226f22f5d958/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcfg_if-87a41ae6a2ba697f.rlib" "/opt/rustwide/rustup-home/toolchains/7587ff3622fbec0abf6ac551eab5226f22f5d958/lib/rustlib/x86_64-unknown-linux-gnu/lib/liblibc-72750b703a18185c.rlib" "/opt/rustwide/rustup-home/toolchains/7587ff3622fbec0abf6ac551eab5226f22f5d958/lib/rustlib/x86_64-unknown-linux-gnu/lib/liballoc-a1a711aa3d9d444c.rlib" "/opt/rustwide/rustup-home/toolchains/7587ff3622fbec0abf6ac551eab5226f22f5d958/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_core-a912b32e3ca9ae43.rlib" "/opt/rustwide/rustup-home/toolchains/7587ff3622fbec0abf6ac551eab5226f22f5d958/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-1922b8ad2a4e54ab.rlib" "/opt/rustwide/rustup-home/toolchains/7587ff3622fbec0abf6ac551eab5226f22f5d958/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcompiler_builtins-e60eec2aca178aae.rlib" "-Wl,-Bdynamic" "-lgcc_s" "-lutil" "-lrt" "-lpthread" "-lm" "-ldl" "-lc" "-B/opt/rustwide/rustup-home/toolchains/7587ff3622fbec0abf6ac551eab5226f22f5d958/lib/rustlib/x86_64-unknown-linux-gnu/bin/gcc-ld" "-B/opt/rustwide/rustup-home/toolchains/7587ff3622fbec0abf6ac551eab5226f22f5d958/lib/rustlib/x86_64-unknown-linux-gnu/bin/gcc-ld" "-B/opt/rustwide/rustup-home/toolchains/7587ff3622fbec0abf6ac551eab5226f22f5d958/lib/rustlib/x86_64-unknown-linux-gnu/bin/gcc-ld" "-fuse-ld=lld" "-Wl,--eh-frame-hdr" "-Wl,-z,noexecstack" "-L" "/opt/rustwide/rustup-home/toolchains/7587ff3622fbec0abf6ac551eab5226f22f5d958/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-L" "/opt/rustwide/rustup-home/toolchains/7587ff3622fbec0abf6ac551eab5226f22f5d958/lib/rustlib/x86_64-unknown-linux-gnu/lib/self-contained" "-o" "/opt/rustwide/target/debug/deps/RustAdvent-3d0876b912fabf1c" "-Wl,--gc-sections" "-pie" "-Wl,-z,relro,-z,now" "-nodefaultlibs"
[INFO] [stdout]   = note: PLEASE submit a bug report to https://github.com/llvm/llvm-project/issues/ and include the crash backtrace.
[INFO] [stdout]           collect2: fatal error: ld terminated with signal 7 [Bus error], core dumped
[INFO] [stdout]           compilation terminated.
[INFO] [stdout]           
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error; 9 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `RustAdvent` (bin "RustAdvent") due to 2 previous errors; 9 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "dd254b198e91505fcc3c6d7708690ffda153a2646704ca2cbf3fcb66b7e2a0e0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dd254b198e91505fcc3c6d7708690ffda153a2646704ca2cbf3fcb66b7e2a0e0", kill_on_drop: false }`
[INFO] [stdout] dd254b198e91505fcc3c6d7708690ffda153a2646704ca2cbf3fcb66b7e2a0e0