[INFO] cloning repository https://github.com/FrankBosman/Advent_Of_Code_2021
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/FrankBosman/Advent_Of_Code_2021" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFrankBosman%2FAdvent_Of_Code_2021", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFrankBosman%2FAdvent_Of_Code_2021'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 76a79a611a26f7be8963fa8c1536e15b7de800da
[INFO] building FrankBosman/Advent_Of_Code_2021 against master#11663cd3bfefef7d34e8f0892c250bf698049392+rustflags=-Dtail-expr-drop-order for pr-134523
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFrankBosman%2FAdvent_Of_Code_2021" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/FrankBosman/Advent_Of_Code_2021 on toolchain 11663cd3bfefef7d34e8f0892c250bf698049392
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/FrankBosman/Advent_Of_Code_2021
[INFO] finished tweaking git repo https://github.com/FrankBosman/Advent_Of_Code_2021
[INFO] tweaked toml for git repo https://github.com/FrankBosman/Advent_Of_Code_2021 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/FrankBosman/Advent_Of_Code_2021 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" "+11663cd3bfefef7d34e8f0892c250bf698049392" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a45e676956f1ad0027c776cec0da3bcc12a8bc3ec3f6063b8e62ea4502cc5b27
[INFO] running `Command { std: "docker" "start" "-a" "a45e676956f1ad0027c776cec0da3bcc12a8bc3ec3f6063b8e62ea4502cc5b27", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a45e676956f1ad0027c776cec0da3bcc12a8bc3ec3f6063b8e62ea4502cc5b27", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a45e676956f1ad0027c776cec0da3bcc12a8bc3ec3f6063b8e62ea4502cc5b27", kill_on_drop: false }`
[INFO] [stdout] a45e676956f1ad0027c776cec0da3bcc12a8bc3ec3f6063b8e62ea4502cc5b27
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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 -Dtail-expr-drop-order" "-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 395ed7ed262a6f5f621405242299cd884eccf5558b1bf93f32b171427aba4d56
[INFO] running `Command { std: "docker" "start" "-a" "395ed7ed262a6f5f621405242299cd884eccf5558b1bf93f32b171427aba4d56", kill_on_drop: false }`
[INFO] [stderr]    Compiling either v1.13.0
[INFO] [stderr]    Compiling lazy_static v1.5.0
[INFO] [stderr]    Compiling colored v2.1.0
[INFO] [stderr]    Compiling itertools v0.13.0
[INFO] [stderr]    Compiling Advent_Of_Code_2021 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: crate `Advent_Of_Code_2021` should have a snake case name
[INFO] [stdout]   |
[INFO] [stdout]   = help: convert the identifier to snake case: `advent_of_code_2021`
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around index expression
[INFO] [stdout]   --> src/day4/day4.rs:77:29
[INFO] [stdout]    |
[INFO] [stdout] 77 |     losing_number = numbers[(number_index - 1)];
[INFO] [stdout]    |                             ^                ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 77 -     losing_number = numbers[(number_index - 1)];
[INFO] [stdout] 77 +     losing_number = numbers[number_index - 1];
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `print_segment` is never used
[INFO] [stdout]    --> src/day8/day8.rs:156:4
[INFO] [stdout]     |
[INFO] [stdout] 156 | fn print_segment(encoder: &HashMap<&str, char>) {
[INFO] [stdout]     |    ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `losing_number` is never read
[INFO] [stdout]   --> src/day4/day4.rs:68:13
[INFO] [stdout]    |
[INFO] [stdout] 68 |     let mut losing_number = 0;
[INFO] [stdout]    |             ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.00s
[INFO] running `Command { std: "docker" "inspect" "395ed7ed262a6f5f621405242299cd884eccf5558b1bf93f32b171427aba4d56", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "395ed7ed262a6f5f621405242299cd884eccf5558b1bf93f32b171427aba4d56", kill_on_drop: false }`
[INFO] [stdout] 395ed7ed262a6f5f621405242299cd884eccf5558b1bf93f32b171427aba4d56
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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 -Dtail-expr-drop-order" "-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8e68fe10f6ba0e258b5954cdd0b66e55e39bfa95ca5cbc290a717483291e1f52
[INFO] running `Command { std: "docker" "start" "-a" "8e68fe10f6ba0e258b5954cdd0b66e55e39bfa95ca5cbc290a717483291e1f52", kill_on_drop: false }`
[INFO] [stderr]    Compiling Advent_Of_Code_2021 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: crate `Advent_Of_Code_2021` should have a snake case name
[INFO] [stdout]   |
[INFO] [stdout]   = help: convert the identifier to snake case: `advent_of_code_2021`
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around index expression
[INFO] [stdout]   --> src/day4/day4.rs:77:29
[INFO] [stdout]    |
[INFO] [stdout] 77 |     losing_number = numbers[(number_index - 1)];
[INFO] [stdout]    |                             ^                ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 77 -     losing_number = numbers[(number_index - 1)];
[INFO] [stdout] 77 +     losing_number = numbers[number_index - 1];
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `losing_number` is never read
[INFO] [stdout]   --> src/day4/day4.rs:68:13
[INFO] [stdout]    |
[INFO] [stdout] 68 |     let mut losing_number = 0;
[INFO] [stdout]    |             ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `print_segment` is never used
[INFO] [stdout]    --> src/day8/day8.rs:156:4
[INFO] [stdout]     |
[INFO] [stdout] 156 | fn print_segment(encoder: &HashMap<&str, char>) {
[INFO] [stdout]     |    ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.31s
[INFO] running `Command { std: "docker" "inspect" "8e68fe10f6ba0e258b5954cdd0b66e55e39bfa95ca5cbc290a717483291e1f52", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8e68fe10f6ba0e258b5954cdd0b66e55e39bfa95ca5cbc290a717483291e1f52", kill_on_drop: false }`
[INFO] [stdout] 8e68fe10f6ba0e258b5954cdd0b66e55e39bfa95ca5cbc290a717483291e1f52