[INFO] cloning repository https://github.com/SwannHERRERA/advent-of-code-2022
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/SwannHERRERA/advent-of-code-2022" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSwannHERRERA%2Fadvent-of-code-2022", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSwannHERRERA%2Fadvent-of-code-2022'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 7cc37319a901f152f4f0ae7b450f03540d551a5c
[INFO] checking SwannHERRERA/advent-of-code-2022 against 1.95.0 for pr-155915
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSwannHERRERA%2Fadvent-of-code-2022" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/SwannHERRERA/advent-of-code-2022
[INFO] finished tweaking git repo https://github.com/SwannHERRERA/advent-of-code-2022
[INFO] tweaked toml for git repo https://github.com/SwannHERRERA/advent-of-code-2022 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/SwannHERRERA/advent-of-code-2022 on toolchain 1.95.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.95.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/SwannHERRERA/advent-of-code-2022 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" "+1.95.0" "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]   |
[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]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded scan_fmt v0.2.6
[INFO] [stderr]   Downloaded structmeta v0.1.5
[INFO] [stderr]   Downloaded os_str_bytes v6.4.1
[INFO] [stderr]   Downloaded ciborium v0.2.0
[INFO] [stderr]   Downloaded structmeta-derive v0.1.5
[INFO] [stderr]   Downloaded ciborium-ll v0.2.0
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[INFO] [stderr]   Downloaded parse-display-derive v0.8.0
[INFO] [stderr]   Downloaded ciborium-io v0.2.0
[INFO] [stderr]   Downloaded clap v3.2.23
[INFO] [stderr]   Downloaded rayon v1.6.1
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 47c33485eb9cddcf4394bf43c89e1ec4aea73277687bb7d42a7cf5ca02ca8ccc
[INFO] running `Command { std: "docker" "start" "-a" "47c33485eb9cddcf4394bf43c89e1ec4aea73277687bb7d42a7cf5ca02ca8ccc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "47c33485eb9cddcf4394bf43c89e1ec4aea73277687bb7d42a7cf5ca02ca8ccc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "47c33485eb9cddcf4394bf43c89e1ec4aea73277687bb7d42a7cf5ca02ca8ccc", kill_on_drop: false }`
[INFO] [stdout] 47c33485eb9cddcf4394bf43c89e1ec4aea73277687bb7d42a7cf5ca02ca8ccc
[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" "-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 26b192efefcd8bfed36c03ad96af3eac3fe6a55fd6495ca5b5f0757b0fd3a2d9
[INFO] running `Command { std: "docker" "start" "-a" "26b192efefcd8bfed36c03ad96af3eac3fe6a55fd6495ca5b5f0757b0fd3a2d9", 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]   |
[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 proc-macro2 v1.0.47
[INFO] [stderr]    Compiling unicode-ident v1.0.5
[INFO] [stderr]    Compiling syn v1.0.105
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]     Checking either v1.8.0
[INFO] [stderr]    Compiling crossbeam-utils v0.8.14
[INFO] [stderr]     Checking regex-syntax v0.6.28
[INFO] [stderr]    Compiling memoffset v0.7.1
[INFO] [stderr]    Compiling libc v0.2.138
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.13
[INFO] [stderr]     Checking test_utils v0.0.0 (/opt/rustwide/workdir/test_utils)
[INFO] [stderr]    Compiling rayon-core v1.10.1
[INFO] [stderr]    Compiling thiserror v1.0.37
[INFO] [stderr]     Checking aho-corasick v0.7.20
[INFO] [stderr]    Compiling serde_derive v1.0.149
[INFO] [stderr]    Compiling num-iter v0.1.43
[INFO] [stderr]    Compiling serde v1.0.149
[INFO] [stderr]    Compiling anyhow v1.0.66
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling indexmap v1.9.2
[INFO] [stderr]    Compiling serde_json v1.0.89
[INFO] [stderr]     Checking nom v7.1.1
[INFO] [stderr]     Checking ryu v1.0.11
[INFO] [stderr]     Checking half v1.8.2
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[INFO] [stderr]     Checking os_str_bytes v6.4.1
[INFO] [stderr]     Checking itoa v1.0.4
[INFO] [stderr]     Checking plotters-backend v0.3.4
[INFO] [stderr]    Compiling once_cell v1.16.0
[INFO] [stderr]     Checking plotters-svg v0.3.3
[INFO] [stderr]    Compiling quote v1.0.21
[INFO] [stderr]     Checking num_cpus v1.14.0
[INFO] [stderr]     Checking ciborium-ll v0.2.0
[INFO] [stderr]     Checking clap_lex v0.2.4
[INFO] [stderr]     Checking textwrap v0.16.0
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking matrixmultiply v0.3.2
[INFO] [stderr]     Checking fourteen v0.0.0 (/opt/rustwide/workdir/14-fourteen)
[INFO] [stderr]     Checking crossbeam-channel v0.5.6
[INFO] [stderr]     Checking eight v0.0.0 (/opt/rustwide/workdir/08-eight)
[INFO] [stderr]     Checking two v0.0.0 (/opt/rustwide/workdir/02-two)
[INFO] [stderr]     Checking one v0.0.0 (/opt/rustwide/workdir/01-one)
[INFO] [stderr]     Checking twenty v0.0.0 (/opt/rustwide/workdir/20-twenty)
[INFO] [stderr]     Checking clap v3.2.23
[INFO] [stderr]     Checking num-integer v0.1.45
[INFO] [stderr]     Checking num-complex v0.4.2
[INFO] [stderr]     Checking plotters v0.3.4
[INFO] [stderr]     Checking crossbeam-deque v0.8.2
[INFO] [stderr]     Checking twelve v0.0.0 (/opt/rustwide/workdir/12-twelve)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> 08-eight/src/main.rs:36:21
[INFO] [stdout]    |
[INFO] [stdout] 36 |                 let mut tree = &mut forest[i][j];
[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] [stderr]     Checking four v0.0.0 (/opt/rustwide/workdir/04-four)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> 08-eight/src/main.rs:85:9
[INFO] [stdout]    |
[INFO] [stdout] 85 |     let mut tree = &mut forest[i][j];
[INFO] [stdout]    |         ----^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking twenty-five v0.0.0 (/opt/rustwide/workdir/25-twenty-five)
[INFO] [stderr]     Checking twenty-two v0.0.0 (/opt/rustwide/workdir/22-twenty-two)
[INFO] [stderr]     Checking eighteen v0.0.0 (/opt/rustwide/workdir/18-eighteen)
[INFO] [stdout] warning: unused variable: `input`
[INFO] [stdout]   --> 22-twenty-two/src/main.rs:13:13
[INFO] [stdout]    |
[INFO] [stdout] 13 | fn part_one(input: &str) -> i64 {
[INFO] [stdout]    |             ^^^^^ help: if this is intentional, prefix it with an underscore: `_input`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `num_str` is never read
[INFO] [stdout]   --> 22-twenty-two/src/main.rs:57:17
[INFO] [stdout]    |
[INFO] [stdout] 57 |                 num_str = String::new();
[INFO] [stdout]    |                 ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking seventeen v0.0.0 (/opt/rustwide/workdir/17-seventeen)
[INFO] [stdout] warning: function `usage` is never used
[INFO] [stdout]   --> 22-twenty-two/src/types.rs:39:4
[INFO] [stdout]    |
[INFO] [stdout] 39 | fn usage(progname: &String) {
[INFO] [stdout]    |    ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `parse_args` is never used
[INFO] [stdout]   --> 22-twenty-two/src/types.rs:44:4
[INFO] [stdout]    |
[INFO] [stdout] 44 | fn parse_args() -> String {
[INFO] [stdout]    |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `read_input` is never used
[INFO] [stdout]   --> 22-twenty-two/src/types.rs:53:4
[INFO] [stdout]    |
[INFO] [stdout] 53 | fn read_input(filename: &String) -> String {
[INFO] [stdout]    |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `parse_input` is never used
[INFO] [stdout]   --> 22-twenty-two/src/types.rs:60:4
[INFO] [stdout]    |
[INFO] [stdout] 60 | fn parse_input(contents: &String) -> Map {
[INFO] [stdout]    |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `wrap` is never used
[INFO] [stdout]    --> 22-twenty-two/src/types.rs:128:4
[INFO] [stdout]     |
[INFO] [stdout] 128 | fn wrap(filename: &String, pos: (u32, u32), facing: Direction) -> ((u32, u32), Direction) {
[INFO] [stdout]     |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `wrap_example` is never used
[INFO] [stdout]    --> 22-twenty-two/src/types.rs:138:4
[INFO] [stdout]     |
[INFO] [stdout] 138 | fn wrap_example(pos: (u32, u32), facing: Direction) -> ((u32, u32), Direction) {
[INFO] [stdout]     |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `wrap_input` is never used
[INFO] [stdout]    --> 22-twenty-two/src/types.rs:224:4
[INFO] [stdout]     |
[INFO] [stdout] 224 | fn wrap_input(pos: (u32, u32), facing: Direction) -> ((u32, u32), Direction) {
[INFO] [stdout]     |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `solve` is never used
[INFO] [stdout]    --> 22-twenty-two/src/types.rs:310:4
[INFO] [stdout]     |
[INFO] [stdout] 310 | fn solve(map: &Map, filename: &String) -> u32 {
[INFO] [stdout]     |    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `main` is never used
[INFO] [stdout]    --> 22-twenty-two/src/types.rs:372:4
[INFO] [stdout]     |
[INFO] [stdout] 372 | fn main() {
[INFO] [stdout]     |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> 08-eight/src/main.rs:36:21
[INFO] [stdout]    |
[INFO] [stdout] 36 |                 let mut tree = &mut forest[i][j];
[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]   --> 08-eight/src/main.rs:85:9
[INFO] [stdout]    |
[INFO] [stdout] 85 |     let mut tree = &mut forest[i][j];
[INFO] [stdout]    |         ----^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking ten v0.0.0 (/opt/rustwide/workdir/10-ten)
[INFO] [stdout] warning: unused variable: `input`
[INFO] [stdout]   --> 22-twenty-two/src/main.rs:13:13
[INFO] [stdout]    |
[INFO] [stdout] 13 | fn part_one(input: &str) -> i64 {
[INFO] [stdout]    |             ^^^^^ help: if this is intentional, prefix it with an underscore: `_input`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `num_str` is never read
[INFO] [stdout]   --> 22-twenty-two/src/main.rs:57:17
[INFO] [stdout]    |
[INFO] [stdout] 57 |                 num_str = String::new();
[INFO] [stdout]    |                 ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `part_one` is never used
[INFO] [stdout]   --> 22-twenty-two/src/main.rs:13:4
[INFO] [stdout]    |
[INFO] [stdout] 13 | fn part_one(input: &str) -> i64 {
[INFO] [stdout]    |    ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `usage` is never used
[INFO] [stdout]   --> 22-twenty-two/src/types.rs:39:4
[INFO] [stdout]    |
[INFO] [stdout] 39 | fn usage(progname: &String) {
[INFO] [stdout]    |    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `parse_args` is never used
[INFO] [stdout]   --> 22-twenty-two/src/types.rs:44:4
[INFO] [stdout]    |
[INFO] [stdout] 44 | fn parse_args() -> String {
[INFO] [stdout]    |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `read_input` is never used
[INFO] [stdout]   --> 22-twenty-two/src/types.rs:53:4
[INFO] [stdout]    |
[INFO] [stdout] 53 | fn read_input(filename: &String) -> String {
[INFO] [stdout]    |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `parse_input` is never used
[INFO] [stdout]   --> 22-twenty-two/src/types.rs:60:4
[INFO] [stdout]    |
[INFO] [stdout] 60 | fn parse_input(contents: &String) -> Map {
[INFO] [stdout]    |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `wrap` is never used
[INFO] [stdout]    --> 22-twenty-two/src/types.rs:128:4
[INFO] [stdout]     |
[INFO] [stdout] 128 | fn wrap(filename: &String, pos: (u32, u32), facing: Direction) -> ((u32, u32), Direction) {
[INFO] [stdout]     |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `wrap_example` is never used
[INFO] [stdout]    --> 22-twenty-two/src/types.rs:138:4
[INFO] [stdout]     |
[INFO] [stdout] 138 | fn wrap_example(pos: (u32, u32), facing: Direction) -> ((u32, u32), Direction) {
[INFO] [stdout]     |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `wrap_input` is never used
[INFO] [stdout]    --> 22-twenty-two/src/types.rs:224:4
[INFO] [stdout]     |
[INFO] [stdout] 224 | fn wrap_input(pos: (u32, u32), facing: Direction) -> ((u32, u32), Direction) {
[INFO] [stdout]     |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `solve` is never used
[INFO] [stdout]    --> 22-twenty-two/src/types.rs:310:4
[INFO] [stdout]     |
[INFO] [stdout] 310 | fn solve(map: &Map, filename: &String) -> u32 {
[INFO] [stdout]     |    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `main` is never used
[INFO] [stdout]    --> 22-twenty-two/src/types.rs:372:4
[INFO] [stdout]     |
[INFO] [stdout] 372 | fn main() {
[INFO] [stdout]     |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking num-bigint v0.4.3
[INFO] [stderr]     Checking ndarray v0.15.6
[INFO] [stderr]     Checking regex v1.7.0
[INFO] [stderr]     Checking rayon v1.6.1
[INFO] [stderr]     Checking num-rational v0.4.1
[INFO] [stderr]     Checking criterion-plot v0.5.0
[INFO] [stderr]     Checking thirteen v0.0.0 (/opt/rustwide/workdir/13-thirteen)
[INFO] [stdout] warning: a method with this name may be added to the standard library in the future
[INFO] [stdout]   --> 13-thirteen/src/value.rs:55:26
[INFO] [stdout]    |
[INFO] [stdout] 55 |                         .intersperse(",".to_string())
[INFO] [stdout]    |                          ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: once this associated item is added to the standard library, the ambiguity may cause an error or change in behavior!
[INFO] [stdout]    = note: for more information, see issue #48919 <https://github.com/rust-lang/rust/issues/48919>
[INFO] [stdout]    = help: call with fully qualified syntax `itertools::Itertools::intersperse(...)` to keep using the current method
[INFO] [stdout]    = note: `#[warn(unstable_name_collisions)]` (part of `#[warn(future_incompatible)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: a method with this name may be added to the standard library in the future
[INFO] [stdout]   --> 13-thirteen/src/value.rs:55:26
[INFO] [stdout]    |
[INFO] [stdout] 55 |                         .intersperse(",".to_string())
[INFO] [stdout]    |                          ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: once this associated item is added to the standard library, the ambiguity may cause an error or change in behavior!
[INFO] [stdout]    = note: for more information, see issue #48919 <https://github.com/rust-lang/rust/issues/48919>
[INFO] [stdout]    = help: call with fully qualified syntax `itertools::Itertools::intersperse(...)` to keep using the current method
[INFO] [stdout]    = note: `#[warn(unstable_name_collisions)]` (part of `#[warn(future_incompatible)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking num v0.4.0
[INFO] [stderr]     Checking twenty-four v0.0.0 (/opt/rustwide/workdir/24-twenty-four)
[INFO] [stderr]     Checking nine v0.0.0 (/opt/rustwide/workdir/09-nine)
[INFO] [stderr]     Checking three v0.0.0 (/opt/rustwide/workdir/03-three)
[INFO] [stdout] warning: function `print_grid` is never used
[INFO] [stdout]   --> 24-twenty-four/src/main.rs:10:4
[INFO] [stdout]    |
[INFO] [stdout] 10 | fn print_grid(valley: &Valley, blizzard: &Blizzard) {
[INFO] [stdout]    |    ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `is_border` is never used
[INFO] [stdout]   --> 24-twenty-four/src/main.rs:25:4
[INFO] [stdout]    |
[INFO] [stdout] 25 | fn is_border(i: usize, j: usize, valley: &Valley) -> bool {
[INFO] [stdout]    |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `print_grid` is never used
[INFO] [stdout]   --> 24-twenty-four/src/main.rs:10:4
[INFO] [stdout]    |
[INFO] [stdout] 10 | fn print_grid(valley: &Valley, blizzard: &Blizzard) {
[INFO] [stdout]    |    ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `is_border` is never used
[INFO] [stdout]   --> 24-twenty-four/src/main.rs:25:4
[INFO] [stdout]    |
[INFO] [stdout] 25 | fn is_border(i: usize, j: usize, valley: &Valley) -> bool {
[INFO] [stdout]    |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking eleven v0.0.0 (/opt/rustwide/workdir/11-eleven)
[INFO] [stderr]     Checking scan_fmt v0.2.6
[INFO] [stderr]     Checking fiveteen v0.0.0 (/opt/rustwide/workdir/15-fiveteen)
[INFO] [stderr]     Checking twenty-three v0.0.0 (/opt/rustwide/workdir/23-twenty-three)
[INFO] [stderr]     Checking sixteen v0.0.0 (/opt/rustwide/workdir/16-sixteen)
[INFO] [stderr]    Compiling thiserror-impl v1.0.37
[INFO] [stderr]    Compiling structmeta-derive v0.1.5
[INFO] [stderr]     Checking six v0.0.0 (/opt/rustwide/workdir/06-six)
[INFO] [stderr]     Checking seven v0.0.0 (/opt/rustwide/workdir/07-seven)
[INFO] [stderr]     Checking five v0.0.0 (/opt/rustwide/workdir/05-five)
[INFO] [stdout] warning: unused import: `std::format as f`
[INFO] [stdout]  --> 06-six/src/prelude.rs:9:9
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub use std::format as f;
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::format as f`
[INFO] [stdout]  --> 05-five/src/prelude.rs:8:9
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub use std::format as f;
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::format as f`
[INFO] [stdout]  --> 05-five/src/prelude.rs:8:9
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub use std::format as f;
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::format as f`
[INFO] [stdout]  --> 06-six/src/prelude.rs:9:9
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub use std::format as f;
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling structmeta v0.1.5
[INFO] [stderr]    Compiling parse-display-derive v0.8.0
[INFO] [stderr]     Checking parse-display v0.8.0
[INFO] [stderr]     Checking nineteen v0.0.0 (/opt/rustwide/workdir/19-nineteen)
[INFO] [stderr]     Checking twenty-one v0.0.0 (/opt/rustwide/workdir/21-twenty-one)
[INFO] [stderr]     Checking ciborium v0.2.0
[INFO] [stderr]     Checking tinytemplate v1.2.1
[INFO] [stderr]     Checking criterion v0.4.0
[INFO] [stdout] warning: unused import: `std::format as f`
[INFO] [stdout]  --> 06-six/src/prelude.rs:9:9
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub use std::format as f;
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::format as f`
[INFO] [stdout]  --> 06-six/src/prelude.rs:9:9
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub use std::format as f;
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 31.88s
[INFO] running `Command { std: "docker" "inspect" "26b192efefcd8bfed36c03ad96af3eac3fe6a55fd6495ca5b5f0757b0fd3a2d9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "26b192efefcd8bfed36c03ad96af3eac3fe6a55fd6495ca5b5f0757b0fd3a2d9", kill_on_drop: false }`
[INFO] [stdout] 26b192efefcd8bfed36c03ad96af3eac3fe6a55fd6495ca5b5f0757b0fd3a2d9
