[INFO] cloning repository https://github.com/linnar/aoc2020 [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/linnar/aoc2020" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flinnar%2Faoc2020", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flinnar%2Faoc2020'... [INFO] [stderr] error: unable to write symref for HEAD: No space left on device [WARN] Retrying crate fetch in 3 seconds (attempt 1) [INFO] cloning repository https://github.com/linnar/aoc2020 [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/linnar/aoc2020" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flinnar%2Faoc2020", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flinnar%2Faoc2020'... [INFO] [stderr] /workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flinnar%2Faoc2020/refs: No space left on device [WARN] Retrying crate fetch in 3 seconds (attempt 2) [INFO] cloning repository https://github.com/linnar/aoc2020 [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/linnar/aoc2020" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flinnar%2Faoc2020", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flinnar%2Faoc2020'... [INFO] [stderr] error: copy-fd: write returned: No space left on device [INFO] [stderr] fatal: cannot copy '/usr/share/git-core/templates/hooks/pre-receive.sample' to '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flinnar%2Faoc2020/hooks/pre-receive.sample': No space left on device [WARN] Retrying crate fetch in 3 seconds (attempt 3) [INFO] cloning repository https://github.com/linnar/aoc2020 [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/linnar/aoc2020" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flinnar%2Faoc2020", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flinnar%2Faoc2020'... [INFO] [stderr] error: copy-fd: write returned: No space left on device [INFO] [stderr] fatal: cannot copy '/usr/share/git-core/templates/hooks/fsmonitor-watchman.sample' to '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flinnar%2Faoc2020/hooks/fsmonitor-watchman.sample': No space left on device [WARN] Retrying crate fetch in 3 seconds (attempt 4) [INFO] cloning repository https://github.com/linnar/aoc2020 [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/linnar/aoc2020" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flinnar%2Faoc2020", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flinnar%2Faoc2020'... [INFO] [stderr] /workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flinnar%2Faoc2020: No space left on device [WARN] Retrying crate fetch in 3 seconds (attempt 5) [INFO] cloning repository https://github.com/linnar/aoc2020 [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/linnar/aoc2020" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flinnar%2Faoc2020", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flinnar%2Faoc2020'... [INFO] [stderr] /workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flinnar%2Faoc2020: No space left on device [WARN] Retrying crate fetch in 3 seconds (attempt 6) [INFO] cloning repository https://github.com/linnar/aoc2020 [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/linnar/aoc2020" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flinnar%2Faoc2020", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flinnar%2Faoc2020'... [INFO] [stderr] /workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flinnar%2Faoc2020: No space left on device [WARN] Retrying crate fetch in 3 seconds (attempt 7) [INFO] cloning repository https://github.com/linnar/aoc2020 [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/linnar/aoc2020" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flinnar%2Faoc2020", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flinnar%2Faoc2020'... [INFO] [stderr] /workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flinnar%2Faoc2020: No space left on device [WARN] Retrying crate fetch in 3 seconds (attempt 8) [INFO] cloning repository https://github.com/linnar/aoc2020 [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/linnar/aoc2020" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flinnar%2Faoc2020", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flinnar%2Faoc2020'... [INFO] [stderr] /workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flinnar%2Faoc2020: No space left on device [WARN] Retrying crate fetch in 3 seconds (attempt 9) [INFO] cloning repository https://github.com/linnar/aoc2020 [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/linnar/aoc2020" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flinnar%2Faoc2020", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flinnar%2Faoc2020'... [INFO] [stderr] /workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flinnar%2Faoc2020: No space left on device [WARN] Retrying crate fetch in 3 seconds (attempt 10) [INFO] cloning repository https://github.com/linnar/aoc2020 [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/linnar/aoc2020" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flinnar%2Faoc2020", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flinnar%2Faoc2020'... [INFO] [stderr] /workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flinnar%2Faoc2020: No space left on device [WARN] Retrying crate fetch in 3 seconds (attempt 11) [INFO] cloning repository https://github.com/linnar/aoc2020 [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/linnar/aoc2020" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flinnar%2Faoc2020", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flinnar%2Faoc2020'... [INFO] [stderr] /workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flinnar%2Faoc2020: No space left on device [WARN] Retrying crate fetch in 3 seconds (attempt 12) [INFO] cloning repository https://github.com/linnar/aoc2020 [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/linnar/aoc2020" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flinnar%2Faoc2020", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flinnar%2Faoc2020'... [INFO] [stderr] /workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flinnar%2Faoc2020: No space left on device [WARN] Retrying crate fetch in 3 seconds (attempt 13) [INFO] cloning repository https://github.com/linnar/aoc2020 [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/linnar/aoc2020" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flinnar%2Faoc2020", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flinnar%2Faoc2020'... [INFO] [stderr] /workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flinnar%2Faoc2020: No space left on device [WARN] Retrying crate fetch in 3 seconds (attempt 14) [INFO] cloning repository https://github.com/linnar/aoc2020 [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/linnar/aoc2020" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flinnar%2Faoc2020", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flinnar%2Faoc2020'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 1c97a16346c4f9b24b962af3cf43c8604f1a3477 [INFO] checking linnar/aoc2020 against try#09ea730c380b8b9acb96ff87b724c45df920f793 for pr-134272 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flinnar%2Faoc2020" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/linnar/aoc2020 on toolchain 09ea730c380b8b9acb96ff87b724c45df920f793 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+09ea730c380b8b9acb96ff87b724c45df920f793" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/linnar/aoc2020 [INFO] finished tweaking git repo https://github.com/linnar/aoc2020 [INFO] tweaked toml for git repo https://github.com/linnar/aoc2020 written to /workspace/builds/worker-3-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/linnar/aoc2020 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" "+09ea730c380b8b9acb96ff87b724c45df920f793" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+09ea730c380b8b9acb96ff87b724c45df920f793" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stderr] Error response from daemon: write /var/lib/docker/containers/afe14ba4104d913c6fc50b6aba45628e94fee08bd509b59bc793c6a66c6ac419/.tmp-hostconfig.json1981621680: no space left on device [INFO] checking linnar/aoc2020 against try#09ea730c380b8b9acb96ff87b724c45df920f793 for pr-134272 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flinnar%2Faoc2020" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/linnar/aoc2020 on toolchain 09ea730c380b8b9acb96ff87b724c45df920f793 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+09ea730c380b8b9acb96ff87b724c45df920f793" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/linnar/aoc2020 [INFO] finished tweaking git repo https://github.com/linnar/aoc2020 [INFO] tweaked toml for git repo https://github.com/linnar/aoc2020 written to /workspace/builds/worker-3-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/linnar/aoc2020 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" "+09ea730c380b8b9acb96ff87b724c45df920f793" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+09ea730c380b8b9acb96ff87b724c45df920f793" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] ae5275195db48a2081fa7ccb6df7b74b71c879afe908d373c3c078f9e4dbe063 [INFO] running `Command { std: "docker" "start" "-a" "ae5275195db48a2081fa7ccb6df7b74b71c879afe908d373c3c078f9e4dbe063", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "ae5275195db48a2081fa7ccb6df7b74b71c879afe908d373c3c078f9e4dbe063", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ae5275195db48a2081fa7ccb6df7b74b71c879afe908d373c3c078f9e4dbe063", kill_on_drop: false }` [INFO] [stdout] ae5275195db48a2081fa7ccb6df7b74b71c879afe908d373c3c078f9e4dbe063 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+09ea730c380b8b9acb96ff87b724c45df920f793" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 0e648c32bd2cc0a7624113b8f8786f5db95d771b5ffdce1cdc455a5a4b12f95b [INFO] running `Command { std: "docker" "start" "-a" "0e648c32bd2cc0a7624113b8f8786f5db95d771b5ffdce1cdc455a5a4b12f95b", kill_on_drop: false }` [INFO] [stderr] Compiling memchr v2.3.4 [INFO] [stderr] Checking lazy_static v1.4.0 [INFO] [stderr] Checking regex-syntax v0.6.21 [INFO] [stderr] Checking d01 v0.1.0 (/opt/rustwide/workdir/d01) [INFO] [stderr] Checking d09 v0.1.0 (/opt/rustwide/workdir/d09) [INFO] [stderr] Checking d19 v0.1.0 (/opt/rustwide/workdir/d19) [INFO] [stderr] Checking d05 v0.1.0 (/opt/rustwide/workdir/d05) [INFO] [stderr] Checking d02 v0.1.0 (/opt/rustwide/workdir/d02) [INFO] [stderr] Checking aoc2020 v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Checking d08 v0.1.0 (/opt/rustwide/workdir/d08) [INFO] [stderr] Checking d15 v0.1.0 (/opt/rustwide/workdir/d15) [INFO] [stderr] Checking d10 v0.1.0 (/opt/rustwide/workdir/d10) [INFO] [stderr] Checking d18 v0.1.0 (/opt/rustwide/workdir/d18) [INFO] [stderr] Checking d20 v0.1.0 (/opt/rustwide/workdir/d20) [INFO] [stderr] Checking d04 v0.1.0 (/opt/rustwide/workdir/d04) [INFO] [stderr] Checking thread_local v1.0.1 [INFO] [stderr] Checking d21 v0.1.0 (/opt/rustwide/workdir/d21) [INFO] [stderr] Checking d13 v0.1.0 (/opt/rustwide/workdir/d13) [INFO] [stderr] Checking d11 v0.1.0 (/opt/rustwide/workdir/d11) [INFO] [stderr] Checking d06 v0.1.0 (/opt/rustwide/workdir/d06) [INFO] [stdout] warning: field `data` is never read [INFO] [stdout] --> d20/src/main.rs:7:5 [INFO] [stdout] | [INFO] [stdout] 5 | struct Tile { [INFO] [stdout] | ---- field in this struct [INFO] [stdout] 6 | id: i32, [INFO] [stdout] 7 | data: Vec, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Tile` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing [INFO] [stdout] --> d20/src/main.rs:41:27 [INFO] [stdout] | [INFO] [stdout] 41 | let rev = edge.clone().chars().rev().collect::(); [INFO] [stdout] | ^^^^^^^^ help: remove this redundant call [INFO] [stdout] | [INFO] [stdout] = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed [INFO] [stdout] = note: `#[warn(noop_method_call)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking d03 v0.1.0 (/opt/rustwide/workdir/d03) [INFO] [stderr] Checking d12 v0.1.0 (/opt/rustwide/workdir/d12) [INFO] [stderr] Checking d17 v0.1.0 (/opt/rustwide/workdir/d17) [INFO] [stdout] warning: field `data` is never read [INFO] [stdout] --> d20/src/main.rs:7:5 [INFO] [stdout] | [INFO] [stdout] 5 | struct Tile { [INFO] [stdout] | ---- field in this struct [INFO] [stdout] 6 | id: i32, [INFO] [stdout] 7 | data: Vec, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Tile` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing [INFO] [stdout] --> d20/src/main.rs:41:27 [INFO] [stdout] | [INFO] [stdout] 41 | let rev = edge.clone().chars().rev().collect::(); [INFO] [stdout] | ^^^^^^^^ help: remove this redundant call [INFO] [stdout] | [INFO] [stdout] = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed [INFO] [stdout] = note: `#[warn(noop_method_call)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking aho-corasick v0.7.15 [INFO] [stderr] Checking regex v1.4.2 [INFO] [stderr] Checking d14 v0.1.0 (/opt/rustwide/workdir/d14) [INFO] [stderr] Checking d16 v0.1.0 (/opt/rustwide/workdir/d16) [INFO] [stderr] Checking d07 v0.1.0 (/opt/rustwide/workdir/d07) [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.32s [INFO] running `Command { std: "docker" "inspect" "0e648c32bd2cc0a7624113b8f8786f5db95d771b5ffdce1cdc455a5a4b12f95b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0e648c32bd2cc0a7624113b8f8786f5db95d771b5ffdce1cdc455a5a4b12f95b", kill_on_drop: false }` [INFO] [stdout] 0e648c32bd2cc0a7624113b8f8786f5db95d771b5ffdce1cdc455a5a4b12f95b