[INFO] cloning repository https://github.com/NolanRus/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/NolanRus/advent-of-code-2021" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNolanRus%2Fadvent-of-code-2021", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNolanRus%2Fadvent-of-code-2021'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] bce0fcbbe78e39d754ef7df6a1994183e8b1159d
[INFO] checking NolanRus/advent-of-code-2021 against master#3139ff09e9d07f7700f8d15ed25a231e29c43627 for pr-121848-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNolanRus%2Fadvent-of-code-2021" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/NolanRus/advent-of-code-2021 on toolchain 3139ff09e9d07f7700f8d15ed25a231e29c43627
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3139ff09e9d07f7700f8d15ed25a231e29c43627" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/NolanRus/advent-of-code-2021
[INFO] finished tweaking git repo https://github.com/NolanRus/advent-of-code-2021
[INFO] tweaked toml for git repo https://github.com/NolanRus/advent-of-code-2021 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/NolanRus/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" "+3139ff09e9d07f7700f8d15ed25a231e29c43627" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: virtual workspace defaulting to `resolver = "1"` despite one or more workspace members being on edition 2021 which implies `resolver = "2"`
[INFO] [stderr] note: to keep the current resolver, specify `workspace.resolver = "1"` in the workspace root's manifest
[INFO] [stderr] note: to use the edition 2021 resolver, specify `workspace.resolver = "2"` in the workspace root's manifest
[INFO] [stderr] note: for more details see https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded wide v0.7.3
[INFO] [stderr]   Downloaded bimap v0.6.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "+3139ff09e9d07f7700f8d15ed25a231e29c43627" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0515b8ef454888f5953c046db6f4d80974401a264101e77973d64e8285639fd8
[INFO] running `Command { std: "docker" "start" "-a" "0515b8ef454888f5953c046db6f4d80974401a264101e77973d64e8285639fd8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0515b8ef454888f5953c046db6f4d80974401a264101e77973d64e8285639fd8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0515b8ef454888f5953c046db6f4d80974401a264101e77973d64e8285639fd8", kill_on_drop: false }`
[INFO] [stdout] 0515b8ef454888f5953c046db6f4d80974401a264101e77973d64e8285639fd8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "+3139ff09e9d07f7700f8d15ed25a231e29c43627" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c13ee6e5d7c90bdd4e72b07e8d8eda6d47f24a7b26c12b99c39c71de4fbfeea9
[INFO] running `Command { std: "docker" "start" "-a" "c13ee6e5d7c90bdd4e72b07e8d8eda6d47f24a7b26c12b99c39c71de4fbfeea9", kill_on_drop: false }`
[INFO] [stderr] warning: virtual workspace defaulting to `resolver = "1"` despite one or more workspace members being on edition 2021 which implies `resolver = "2"`
[INFO] [stderr] note: to keep the current resolver, specify `workspace.resolver = "1"` in the workspace root's manifest
[INFO] [stderr] note: to use the edition 2021 resolver, specify `workspace.resolver = "2"` in the workspace root's manifest
[INFO] [stderr] note: for more details see https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]     Checking rawpointer v0.2.1
[INFO] [stderr]    Compiling proc-macro2 v1.0.34
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]     Checking bytemuck v1.7.3
[INFO] [stderr]    Compiling syn v1.0.82
[INFO] [stderr]    Compiling typenum v1.14.0
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]    Compiling paste v1.0.6
[INFO] [stderr]     Checking minimal-lexical v0.2.1
[INFO] [stderr]     Checking bimap v0.6.1
[INFO] [stderr]     Checking task-05_2 v0.1.0 (/opt/rustwide/workdir/task-05_2)
[INFO] [stderr]     Checking task-07_1 v0.1.0 (/opt/rustwide/workdir/task-07_1)
[INFO] [stderr]     Checking task-17_2 v0.1.0 (/opt/rustwide/workdir/task-17_2)
[INFO] [stderr]     Checking matrixmultiply v0.3.2
[INFO] [stderr]     Checking task-04_1 v0.1.0 (/opt/rustwide/workdir/task-04_1)
[INFO] [stderr]     Checking task-05_1 v0.1.0 (/opt/rustwide/workdir/task-05_1)
[INFO] [stderr]     Checking itertools v0.10.3
[INFO] [stderr]     Checking safe_arch v0.6.0
[INFO] [stderr]     Checking task-07_2 v0.1.0 (/opt/rustwide/workdir/task-07_2)
[INFO] [stderr]     Checking task-03_2 v0.1.0 (/opt/rustwide/workdir/task-03_2)
[INFO] [stderr]     Checking task-01_2 v0.1.0 (/opt/rustwide/workdir/task-01_2)
[INFO] [stderr]     Checking task-04_2 v0.1.0 (/opt/rustwide/workdir/task-04_2)
[INFO] [stderr]     Checking task-10_1 v0.1.0 (/opt/rustwide/workdir/task-10_1)
[INFO] [stderr]     Checking task-06_1 v0.1.0 (/opt/rustwide/workdir/task-06_1)
[INFO] [stderr]     Checking task-03_1 v0.1.0 (/opt/rustwide/workdir/task-03_1)
[INFO] [stderr]     Checking task-01_1 v0.1.0 (/opt/rustwide/workdir/task-01_1)
[INFO] [stderr]     Checking task-06_2 v0.1.0 (/opt/rustwide/workdir/task-06_2)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> task-06_2/src/main.rs:13:9
[INFO] [stdout]    |
[INFO] [stdout] 13 |     let mut data = read_input().unwrap();
[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: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling nom v7.1.0
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> task-06_2/src/main.rs:13:9
[INFO] [stdout]    |
[INFO] [stdout] 13 |     let mut data = read_input().unwrap();
[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: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling num-rational v0.4.0
[INFO] [stdout] warning: struct `Target` is never constructed
[INFO] [stdout]  --> task-17_2/src/main.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | struct Target {
[INFO] [stdout]   |        ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new` and `contains` are never used
[INFO] [stdout]   --> task-17_2/src/main.rs:11:8
[INFO] [stdout]    |
[INFO] [stdout] 10 | impl Target {
[INFO] [stdout]    | ----------- associated items in this implementation
[INFO] [stdout] 11 |     fn new(xs: Range<i32>, ys: Range<i32>) -> Target {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 15 |     fn contains(&self, x: i32, y: i32) -> bool {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `would_hit` is never used
[INFO] [stdout]   --> task-17_2/src/main.rs:21:4
[INFO] [stdout]    |
[INFO] [stdout] 21 | fn would_hit(mut vx: i32, mut vy: i32, target: &Target) -> bool {
[INFO] [stdout]    |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `solve` is never used
[INFO] [stdout]   --> task-17_2/src/main.rs:37:4
[INFO] [stdout]    |
[INFO] [stdout] 37 | fn solve(target: &Target) -> usize {
[INFO] [stdout]    |    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking wide v0.7.3
[INFO] [stderr]    Compiling quote v1.0.10
[INFO] [stderr]     Checking num-complex v0.4.0
[INFO] [stderr]     Checking approx v0.5.0
[INFO] [stderr]     Checking task-08_1 v0.1.0 (/opt/rustwide/workdir/task-08_1)
[INFO] [stderr]     Checking task-08_2 v0.1.0 (/opt/rustwide/workdir/task-08_2)
[INFO] [stderr]     Checking task-16_1 v0.1.0 (/opt/rustwide/workdir/task-16_1)
[INFO] [stderr]     Checking task-12_2 v0.1.0 (/opt/rustwide/workdir/task-12_2)
[INFO] [stderr]     Checking task-13_2 v0.1.0 (/opt/rustwide/workdir/task-13_2)
[INFO] [stderr]     Checking task-16_2 v0.1.0 (/opt/rustwide/workdir/task-16_2)
[INFO] [stderr]     Checking task-13_1 v0.1.0 (/opt/rustwide/workdir/task-13_1)
[INFO] [stderr]     Checking task-12_1 v0.1.0 (/opt/rustwide/workdir/task-12_1)
[INFO] [stderr]     Checking ndarray v0.15.4
[INFO] [stderr]     Checking task-14_1 v0.1.0 (/opt/rustwide/workdir/task-14_1)
[INFO] [stderr]     Checking task-10_2 v0.1.0 (/opt/rustwide/workdir/task-10_2)
[INFO] [stderr]     Checking task-14_2 v0.1.0 (/opt/rustwide/workdir/task-14_2)
[INFO] [stdout] warning: fields `expected` and `found` are never read
[INFO] [stdout]  --> task-10_2/src/main.rs:7:16
[INFO] [stdout]   |
[INFO] [stdout] 7 |     Mismatch { expected: char, found: char },
[INFO] [stdout]   |     --------   ^^^^^^^^        ^^^^^
[INFO] [stdout]   |     |
[INFO] [stdout]   |     fields in this variant
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `expected` and `found` are never read
[INFO] [stdout]  --> task-10_2/src/main.rs:7:16
[INFO] [stdout]   |
[INFO] [stdout] 7 |     Mismatch { expected: char, found: char },
[INFO] [stdout]   |     --------   ^^^^^^^^        ^^^^^
[INFO] [stdout]   |     |
[INFO] [stdout]   |     fields in this variant
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking simba v0.6.0
[INFO] [stderr]    Compiling nalgebra-macros v0.1.0
[INFO] [stderr]     Checking task-02_2 v0.1.0 (/opt/rustwide/workdir/task-02_2)
[INFO] [stderr]     Checking task-02_1 v0.1.0 (/opt/rustwide/workdir/task-02_1)
[INFO] [stderr]     Checking task-09_1 v0.1.0 (/opt/rustwide/workdir/task-09_1)
[INFO] [stderr]     Checking task-09_2 v0.1.0 (/opt/rustwide/workdir/task-09_2)
[INFO] [stderr]     Checking task-11_1 v0.1.0 (/opt/rustwide/workdir/task-11_1)
[INFO] [stderr]     Checking task-11_2 v0.1.0 (/opt/rustwide/workdir/task-11_2)
[INFO] [stdout] warning: for loop over an `Option`. This is more readably written as an `if let` statement
[INFO] [stdout]   --> task-11_1/src/main.rs:25:26
[INFO] [stdout]    |
[INFO] [stdout] 25 |                 for e in energies.get_mut(neighbor_index) {
[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] 25 |                 while let Some(e) = energies.get_mut(neighbor_index) {
[INFO] [stdout]    |                 ~~~~~~~~~~~~~~~ ~~~
[INFO] [stdout] help: consider using `if let` to clear intent
[INFO] [stdout]    |
[INFO] [stdout] 25 |                 if let Some(e) = energies.get_mut(neighbor_index) {
[INFO] [stdout]    |                 ~~~~~~~~~~~~ ~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: for loop over an `Option`. This is more readably written as an `if let` statement
[INFO] [stdout]   --> task-11_1/src/main.rs:25:26
[INFO] [stdout]    |
[INFO] [stdout] 25 |                 for e in energies.get_mut(neighbor_index) {
[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] 25 |                 while let Some(e) = energies.get_mut(neighbor_index) {
[INFO] [stdout]    |                 ~~~~~~~~~~~~~~~ ~~~
[INFO] [stdout] help: consider using `if let` to clear intent
[INFO] [stdout]    |
[INFO] [stdout] 25 |                 if let Some(e) = energies.get_mut(neighbor_index) {
[INFO] [stdout]    |                 ~~~~~~~~~~~~ ~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: for loop over an `Option`. This is more readably written as an `if let` statement
[INFO] [stdout]   --> task-11_2/src/main.rs:25:26
[INFO] [stdout]    |
[INFO] [stdout] 25 |                 for e in energies.get_mut(neighbor_index) {
[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] 25 |                 while let Some(e) = energies.get_mut(neighbor_index) {
[INFO] [stdout]    |                 ~~~~~~~~~~~~~~~ ~~~
[INFO] [stdout] help: consider using `if let` to clear intent
[INFO] [stdout]    |
[INFO] [stdout] 25 |                 if let Some(e) = energies.get_mut(neighbor_index) {
[INFO] [stdout]    |                 ~~~~~~~~~~~~ ~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: for loop over an `Option`. This is more readably written as an `if let` statement
[INFO] [stdout]   --> task-11_2/src/main.rs:25:26
[INFO] [stdout]    |
[INFO] [stdout] 25 |                 for e in energies.get_mut(neighbor_index) {
[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] 25 |                 while let Some(e) = energies.get_mut(neighbor_index) {
[INFO] [stdout]    |                 ~~~~~~~~~~~~~~~ ~~~
[INFO] [stdout] help: consider using `if let` to clear intent
[INFO] [stdout]    |
[INFO] [stdout] 25 |                 if let Some(e) = energies.get_mut(neighbor_index) {
[INFO] [stdout]    |                 ~~~~~~~~~~~~ ~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking nalgebra v0.29.0
[INFO] [stderr]     Checking task-15_1 v0.1.0 (/opt/rustwide/workdir/task-15_1)
[INFO] [stderr]     Checking task-15_2 v0.1.0 (/opt/rustwide/workdir/task-15_2)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 8.94s
[INFO] running `Command { std: "docker" "inspect" "c13ee6e5d7c90bdd4e72b07e8d8eda6d47f24a7b26c12b99c39c71de4fbfeea9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c13ee6e5d7c90bdd4e72b07e8d8eda6d47f24a7b26c12b99c39c71de4fbfeea9", kill_on_drop: false }`
[INFO] [stdout] c13ee6e5d7c90bdd4e72b07e8d8eda6d47f24a7b26c12b99c39c71de4fbfeea9
