[INFO] cloning repository https://github.com/nguyenuy/adventofcode2022
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/nguyenuy/adventofcode2022" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnguyenuy%2Fadventofcode2022", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnguyenuy%2Fadventofcode2022'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 56e6344960702c61f57b32ea496081e94748c139
[INFO] building nguyenuy/adventofcode2022 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%2Fnguyenuy%2Fadventofcode2022" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/nguyenuy/adventofcode2022 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/nguyenuy/adventofcode2022
[INFO] finished tweaking git repo https://github.com/nguyenuy/adventofcode2022
[INFO] tweaked toml for git repo https://github.com/nguyenuy/adventofcode2022 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/nguyenuy/adventofcode2022 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-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] b2a37d01515927f12305fc35a5eb2d2196adb10094e3f6fef80e5e8d5869d5ed
[INFO] running `Command { std: "docker" "start" "-a" "b2a37d01515927f12305fc35a5eb2d2196adb10094e3f6fef80e5e8d5869d5ed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b2a37d01515927f12305fc35a5eb2d2196adb10094e3f6fef80e5e8d5869d5ed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b2a37d01515927f12305fc35a5eb2d2196adb10094e3f6fef80e5e8d5869d5ed", kill_on_drop: false }`
[INFO] [stdout] b2a37d01515927f12305fc35a5eb2d2196adb10094e3f6fef80e5e8d5869d5ed
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 58694861db5a560c2ac20c0dc9970cdc2cf5b4b7b457d93622633deba171cf9c
[INFO] running `Command { std: "docker" "start" "-a" "58694861db5a560c2ac20c0dc9970cdc2cf5b4b7b457d93622633deba171cf9c", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling regex-syntax v0.6.28
[INFO] [stderr]    Compiling aho-corasick v0.7.20
[INFO] [stderr]    Compiling regex v1.7.0
[INFO] [stderr]    Compiling fun_with_rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `crate::utility`
[INFO] [stdout]  --> src/part05.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use crate::utility;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `for` iterator expression
[INFO] [stdout]   --> src/part05.rs:38:16
[INFO] [stdout]    |
[INFO] [stdout] 38 |     for ind in (problem_index + 1 .. problem.len()) {
[INFO] [stdout]    |                ^                                  ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 38 -     for ind in (problem_index + 1 .. problem.len()) {
[INFO] [stdout] 38 +     for ind in problem_index + 1 .. problem.len() {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `crate_stacks`
[INFO] [stdout]  --> src/part05.rs:9:13
[INFO] [stdout]   |
[INFO] [stdout] 9 |     let mut crate_stacks: Vec<Vec<char>> = Vec::new();
[INFO] [stdout]   |             ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_crate_stacks`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `stacks`
[INFO] [stdout]   --> src/part05.rs:10:13
[INFO] [stdout]    |
[INFO] [stdout] 10 |     let mut stacks: Vec<char> = Vec::new();
[INFO] [stdout]    |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_stacks`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `amount`
[INFO] [stdout]   --> src/part05.rs:41:17
[INFO] [stdout]    |
[INFO] [stdout] 41 |             let amount = &cap[1];
[INFO] [stdout]    |                 ^^^^^^ help: if this is intentional, prefix it with an underscore: `_amount`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `src`
[INFO] [stdout]   --> src/part05.rs:42:17
[INFO] [stdout]    |
[INFO] [stdout] 42 |             let src = &cap[2];
[INFO] [stdout]    |                 ^^^ help: if this is intentional, prefix it with an underscore: `_src`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `dest`
[INFO] [stdout]   --> src/part05.rs:43:17
[INFO] [stdout]    |
[INFO] [stdout] 43 |             let dest = &cap[3];
[INFO] [stdout]    |                 ^^^^ help: if this is intentional, prefix it with an underscore: `_dest`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]  --> src/part05.rs:9:9
[INFO] [stdout]   |
[INFO] [stdout] 9 |     let mut crate_stacks: Vec<Vec<char>> = Vec::new();
[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/part05.rs:10:9
[INFO] [stdout]    |
[INFO] [stdout] 10 |     let mut stacks: Vec<char> = Vec::new();
[INFO] [stdout]    |         ----^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: for loop over an `Option`. This is more readably written as an `if let` statement
[INFO] [stdout]   --> src/part05.rs:40:20
[INFO] [stdout]    |
[INFO] [stdout] 40 |         for cap in re.captures(command) {
[INFO] [stdout]    |                    ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(for_loops_over_fallibles)]` on by default
[INFO] [stdout] help: to check pattern in a loop use `while let`
[INFO] [stdout]    |
[INFO] [stdout] 40 |         while let Some(cap) = re.captures(command) {
[INFO] [stdout]    |         ~~~~~~~~~~~~~~~   ~~~
[INFO] [stdout] help: consider using `if let` to clear intent
[INFO] [stdout]    |
[INFO] [stdout] 40 |         if let Some(cap) = re.captures(command) {
[INFO] [stdout]    |         ~~~~~~~~~~~~   ~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.65s
[INFO] running `Command { std: "docker" "inspect" "58694861db5a560c2ac20c0dc9970cdc2cf5b4b7b457d93622633deba171cf9c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "58694861db5a560c2ac20c0dc9970cdc2cf5b4b7b457d93622633deba171cf9c", kill_on_drop: false }`
[INFO] [stdout] 58694861db5a560c2ac20c0dc9970cdc2cf5b4b7b457d93622633deba171cf9c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] a42505c5c98e2ac544c4259e3d2f664ee2569877253024eab501ee9a0dc238e3
[INFO] running `Command { std: "docker" "start" "-a" "a42505c5c98e2ac544c4259e3d2f664ee2569877253024eab501ee9a0dc238e3", kill_on_drop: false }`
[INFO] [stderr]    Compiling fun_with_rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `crate::utility`
[INFO] [stdout]  --> src/part05.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use crate::utility;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `for` iterator expression
[INFO] [stdout]   --> src/part05.rs:38:16
[INFO] [stdout]    |
[INFO] [stdout] 38 |     for ind in (problem_index + 1 .. problem.len()) {
[INFO] [stdout]    |                ^                                  ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 38 -     for ind in (problem_index + 1 .. problem.len()) {
[INFO] [stdout] 38 +     for ind in problem_index + 1 .. problem.len() {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `crate_stacks`
[INFO] [stdout]  --> src/part05.rs:9:13
[INFO] [stdout]   |
[INFO] [stdout] 9 |     let mut crate_stacks: Vec<Vec<char>> = Vec::new();
[INFO] [stdout]   |             ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_crate_stacks`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `stacks`
[INFO] [stdout]   --> src/part05.rs:10:13
[INFO] [stdout]    |
[INFO] [stdout] 10 |     let mut stacks: Vec<char> = Vec::new();
[INFO] [stdout]    |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_stacks`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `amount`
[INFO] [stdout]   --> src/part05.rs:41:17
[INFO] [stdout]    |
[INFO] [stdout] 41 |             let amount = &cap[1];
[INFO] [stdout]    |                 ^^^^^^ help: if this is intentional, prefix it with an underscore: `_amount`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `src`
[INFO] [stdout]   --> src/part05.rs:42:17
[INFO] [stdout]    |
[INFO] [stdout] 42 |             let src = &cap[2];
[INFO] [stdout]    |                 ^^^ help: if this is intentional, prefix it with an underscore: `_src`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `dest`
[INFO] [stdout]   --> src/part05.rs:43:17
[INFO] [stdout]    |
[INFO] [stdout] 43 |             let dest = &cap[3];
[INFO] [stdout]    |                 ^^^^ help: if this is intentional, prefix it with an underscore: `_dest`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]  --> src/part05.rs:9:9
[INFO] [stdout]   |
[INFO] [stdout] 9 |     let mut crate_stacks: Vec<Vec<char>> = Vec::new();
[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/part05.rs:10:9
[INFO] [stdout]    |
[INFO] [stdout] 10 |     let mut stacks: Vec<char> = Vec::new();
[INFO] [stdout]    |         ----^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: for loop over an `Option`. This is more readably written as an `if let` statement
[INFO] [stdout]   --> src/part05.rs:40:20
[INFO] [stdout]    |
[INFO] [stdout] 40 |         for cap in re.captures(command) {
[INFO] [stdout]    |                    ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(for_loops_over_fallibles)]` on by default
[INFO] [stdout] help: to check pattern in a loop use `while let`
[INFO] [stdout]    |
[INFO] [stdout] 40 |         while let Some(cap) = re.captures(command) {
[INFO] [stdout]    |         ~~~~~~~~~~~~~~~   ~~~
[INFO] [stdout] help: consider using `if let` to clear intent
[INFO] [stdout]    |
[INFO] [stdout] 40 |         if let Some(cap) = re.captures(command) {
[INFO] [stdout]    |         ~~~~~~~~~~~~   ~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.32s
[INFO] running `Command { std: "docker" "inspect" "a42505c5c98e2ac544c4259e3d2f664ee2569877253024eab501ee9a0dc238e3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a42505c5c98e2ac544c4259e3d2f664ee2569877253024eab501ee9a0dc238e3", kill_on_drop: false }`
[INFO] [stdout] a42505c5c98e2ac544c4259e3d2f664ee2569877253024eab501ee9a0dc238e3