[INFO] cloning repository https://github.com/Kortekaasy/aoc2020 [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Kortekaasy/aoc2020" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKortekaasy%2Faoc2020", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKortekaasy%2Faoc2020'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 2ceebe85265be419901f474142f6fc54143ecbff [INFO] testing Kortekaasy/aoc2020 against try#722e1797249a965b6335aebd65d777f917e498f1 for pr-91031 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKortekaasy%2Faoc2020" "/workspace/builds/worker-3/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/Kortekaasy/aoc2020 on toolchain 722e1797249a965b6335aebd65d777f917e498f1 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/Kortekaasy/aoc2020 [INFO] finished tweaking git repo https://github.com/Kortekaasy/aoc2020 [INFO] tweaked toml for git repo https://github.com/Kortekaasy/aoc2020 written to /workspace/builds/worker-3/source/Cargo.toml [INFO] crate git repo https://github.com/Kortekaasy/aoc2020 already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded pest_consume_macros v1.0.6 [INFO] [stderr] Downloaded pest_consume v1.0.6 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 03a6a4a576373cd71191325534b5d8534a5df081dc672984dd46a07dbb88e2dd [INFO] running `Command { std: "docker" "start" "-a" "03a6a4a576373cd71191325534b5d8534a5df081dc672984dd46a07dbb88e2dd", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "03a6a4a576373cd71191325534b5d8534a5df081dc672984dd46a07dbb88e2dd", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "03a6a4a576373cd71191325534b5d8534a5df081dc672984dd46a07dbb88e2dd", kill_on_drop: false }` [INFO] [stdout] 03a6a4a576373cd71191325534b5d8534a5df081dc672984dd46a07dbb88e2dd [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] c0e7aa37f7c84d04e7e939874067e00fe0b5345f484f276eff3f6d4a1f9bbf19 [INFO] running `Command { std: "docker" "start" "-a" "c0e7aa37f7c84d04e7e939874067e00fe0b5345f484f276eff3f6d4a1f9bbf19", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.24 [INFO] [stderr] Compiling syn v1.0.54 [INFO] [stderr] Compiling ucd-trie v0.1.3 [INFO] [stderr] Compiling proc-macro-hack v0.5.19 [INFO] [stderr] Compiling lazy_static v1.4.0 [INFO] [stderr] Compiling day08 v0.1.0 (/opt/rustwide/workdir/day08) [INFO] [stderr] Compiling day15 v0.1.0 (/opt/rustwide/workdir/day15) [INFO] [stderr] Compiling day04 v0.1.0 (/opt/rustwide/workdir/day04) [INFO] [stderr] Compiling day06 v0.1.0 (/opt/rustwide/workdir/day06) [INFO] [stderr] Compiling day11 v0.1.0 (/opt/rustwide/workdir/day11) [INFO] [stderr] Compiling day13 v0.1.0 (/opt/rustwide/workdir/day13) [INFO] [stderr] Compiling day10 v0.1.0 (/opt/rustwide/workdir/day10) [INFO] [stderr] Compiling day09 v0.1.0 (/opt/rustwide/workdir/day09) [INFO] [stderr] Compiling day07 v0.1.0 (/opt/rustwide/workdir/day07) [INFO] [stderr] Compiling day02 v0.1.0 (/opt/rustwide/workdir/day02) [INFO] [stderr] Compiling day14 v0.1.0 (/opt/rustwide/workdir/day14) [INFO] [stderr] Compiling day12 v0.1.0 (/opt/rustwide/workdir/day12) [INFO] [stdout] warning: panic message is not a string literal [INFO] [stdout] --> day14/src/main.rs:18:25 [INFO] [stdout] | [INFO] [stdout] 18 | _ => panic!(format!("Invalid char {}", c)), [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_fmt_panics)]` on by default [INFO] [stdout] = note: this usage of panic!() is deprecated; it will be a hard error in Rust 2021 [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: the panic!() macro supports formatting, so there's no need for the format!() macro here [INFO] [stdout] help: remove the `format!(..)` macro call [INFO] [stdout] | [INFO] [stdout] 18 - _ => panic!(format!("Invalid char {}", c)), [INFO] [stdout] 18 + _ => panic!("Invalid char {}", c), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: panic message is not a string literal [INFO] [stdout] --> day14/src/main.rs:64:25 [INFO] [stdout] | [INFO] [stdout] 64 | _ => panic!(format!("Invalid char {}", c)), [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this usage of panic!() is deprecated; it will be a hard error in Rust 2021 [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: the panic!() macro supports formatting, so there's no need for the format!() macro here [INFO] [stdout] help: remove the `format!(..)` macro call [INFO] [stdout] | [INFO] [stdout] 64 - _ => panic!(format!("Invalid char {}", c)), [INFO] [stdout] 64 + _ => panic!("Invalid char {}", c), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling day05 v0.1.0 (/opt/rustwide/workdir/day05) [INFO] [stderr] Compiling day03 v0.1.0 (/opt/rustwide/workdir/day03) [INFO] [stderr] Compiling day17 v0.1.0 (/opt/rustwide/workdir/day17) [INFO] [stderr] Compiling day16 v0.1.0 (/opt/rustwide/workdir/day16) [INFO] [stderr] Compiling day01 v0.1.0 (/opt/rustwide/workdir/day01) [INFO] [stderr] Compiling pest v2.1.3 [INFO] [stdout] warning: unused variable: `cyc` [INFO] [stdout] --> day17/src/main.rs:68:9 [INFO] [stdout] | [INFO] [stdout] 68 | for cyc in 0..cycles { [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_cyc` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `cyc` [INFO] [stdout] --> day17/src/main.rs:214:9 [INFO] [stdout] | [INFO] [stdout] 214 | for cyc in 0..cycles { [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_cyc` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `print_map` [INFO] [stdout] --> day17/src/main.rs:31:8 [INFO] [stdout] | [INFO] [stdout] 31 | pub fn print_map(map: &HashMap>>, range: i64) { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `print_map2` [INFO] [stdout] --> day17/src/main.rs:175:8 [INFO] [stdout] | [INFO] [stdout] 175 | pub fn print_map2(map: &HashMap>>>, range: i64) { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling quote v1.0.7 [INFO] [stderr] Compiling pest_meta v2.1.3 [INFO] [stderr] Compiling pest_generator v2.1.3 [INFO] [stderr] Compiling pest_derive v2.1.0 [INFO] [stderr] Compiling pest_consume_macros v1.0.6 [INFO] [stderr] Compiling pest_consume v1.0.6 [INFO] [stderr] Compiling day18 v0.1.0 (/opt/rustwide/workdir/day18) [INFO] [stderr] Compiling advent_of_code2020 v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 45.08s [INFO] running `Command { std: "docker" "inspect" "c0e7aa37f7c84d04e7e939874067e00fe0b5345f484f276eff3f6d4a1f9bbf19", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c0e7aa37f7c84d04e7e939874067e00fe0b5345f484f276eff3f6d4a1f9bbf19", kill_on_drop: false }` [INFO] [stdout] c0e7aa37f7c84d04e7e939874067e00fe0b5345f484f276eff3f6d4a1f9bbf19 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 1aaf2f7efe8d32cc926812147a38a7932b512d0fd62ee326bea24fbbac3d6201 [INFO] running `Command { std: "docker" "start" "-a" "1aaf2f7efe8d32cc926812147a38a7932b512d0fd62ee326bea24fbbac3d6201", kill_on_drop: false }` [INFO] [stderr] Compiling advent_of_code2020 v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `cyc` [INFO] [stdout] --> day17/src/main.rs:68:9 [INFO] [stdout] | [INFO] [stdout] 68 | for cyc in 0..cycles { [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_cyc` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `cyc` [INFO] [stdout] --> day17/src/main.rs:214:9 [INFO] [stdout] | [INFO] [stdout] 214 | for cyc in 0..cycles { [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_cyc` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `print_map` [INFO] [stdout] --> day17/src/main.rs:31:8 [INFO] [stdout] | [INFO] [stdout] 31 | pub fn print_map(map: &HashMap>>, range: i64) { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `print_map2` [INFO] [stdout] --> day17/src/main.rs:175:8 [INFO] [stdout] | [INFO] [stdout] 175 | pub fn print_map2(map: &HashMap>>>, range: i64) { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: panic message is not a string literal [INFO] [stdout] --> day14/src/main.rs:18:25 [INFO] [stdout] | [INFO] [stdout] 18 | _ => panic!(format!("Invalid char {}", c)), [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_fmt_panics)]` on by default [INFO] [stdout] = note: this usage of panic!() is deprecated; it will be a hard error in Rust 2021 [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: the panic!() macro supports formatting, so there's no need for the format!() macro here [INFO] [stdout] help: remove the `format!(..)` macro call [INFO] [stdout] | [INFO] [stdout] 18 - _ => panic!(format!("Invalid char {}", c)), [INFO] [stdout] 18 + _ => panic!("Invalid char {}", c), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: panic message is not a string literal [INFO] [stdout] --> day14/src/main.rs:64:25 [INFO] [stdout] | [INFO] [stdout] 64 | _ => panic!(format!("Invalid char {}", c)), [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this usage of panic!() is deprecated; it will be a hard error in Rust 2021 [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: the panic!() macro supports formatting, so there's no need for the format!() macro here [INFO] [stdout] help: remove the `format!(..)` macro call [INFO] [stdout] | [INFO] [stdout] 64 - _ => panic!(format!("Invalid char {}", c)), [INFO] [stdout] 64 + _ => panic!("Invalid char {}", c), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.96s [INFO] running `Command { std: "docker" "inspect" "1aaf2f7efe8d32cc926812147a38a7932b512d0fd62ee326bea24fbbac3d6201", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1aaf2f7efe8d32cc926812147a38a7932b512d0fd62ee326bea24fbbac3d6201", kill_on_drop: false }` [INFO] [stdout] 1aaf2f7efe8d32cc926812147a38a7932b512d0fd62ee326bea24fbbac3d6201 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "test" "--frozen", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] e64ffbf8eb7b3f4837b1f208334f33ec90db7e23f2512d076fcb23d05cc9b509 [INFO] running `Command { std: "docker" "start" "-a" "e64ffbf8eb7b3f4837b1f208334f33ec90db7e23f2512d076fcb23d05cc9b509", kill_on_drop: false }` [INFO] [stderr] warning: unused variable: `cyc` [INFO] [stderr] --> day17/src/main.rs:68:9 [INFO] [stderr] | [INFO] [stderr] 68 | for cyc in 0..cycles { [INFO] [stderr] | ^^^ help: if this is intentional, prefix it with an underscore: `_cyc` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `cyc` [INFO] [stderr] --> day17/src/main.rs:214:9 [INFO] [stderr] | [INFO] [stderr] 214 | for cyc in 0..cycles { [INFO] [stderr] | ^^^ help: if this is intentional, prefix it with an underscore: `_cyc` [INFO] [stderr] [INFO] [stderr] warning: function is never used: `print_map` [INFO] [stderr] --> day17/src/main.rs:31:8 [INFO] [stderr] | [INFO] [stderr] 31 | pub fn print_map(map: &HashMap>>, range: i64) { [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: function is never used: `print_map2` [INFO] [stderr] --> day17/src/main.rs:175:8 [INFO] [stderr] | [INFO] [stderr] 175 | pub fn print_map2(map: &HashMap>>>, range: i64) { [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: `day17` (lib) generated 4 warnings [INFO] [stderr] warning: panic message is not a string literal [INFO] [stderr] --> day14/src/main.rs:18:25 [INFO] [stderr] | [INFO] [stderr] 18 | _ => panic!(format!("Invalid char {}", c)), [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(non_fmt_panics)]` on by default [INFO] [stderr] = note: this usage of panic!() is deprecated; it will be a hard error in Rust 2021 [INFO] [stderr] = note: for more information, see [INFO] [stderr] = note: the panic!() macro supports formatting, so there's no need for the format!() macro here [INFO] [stderr] help: remove the `format!(..)` macro call [INFO] [stderr] | [INFO] [stderr] 18 - _ => panic!(format!("Invalid char {}", c)), [INFO] [stderr] 18 + _ => panic!("Invalid char {}", c), [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] warning: panic message is not a string literal [INFO] [stderr] --> day14/src/main.rs:64:25 [INFO] [stderr] | [INFO] [stderr] 64 | _ => panic!(format!("Invalid char {}", c)), [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this usage of panic!() is deprecated; it will be a hard error in Rust 2021 [INFO] [stderr] = note: for more information, see [INFO] [stderr] = note: the panic!() macro supports formatting, so there's no need for the format!() macro here [INFO] [stderr] help: remove the `format!(..)` macro call [INFO] [stderr] | [INFO] [stderr] 64 - _ => panic!(format!("Invalid char {}", c)), [INFO] [stderr] 64 + _ => panic!("Invalid char {}", c), [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] warning: `day14` (lib) generated 2 warnings [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.13s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/advent_of_code2020-4f6d2fb8a9260465) [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "e64ffbf8eb7b3f4837b1f208334f33ec90db7e23f2512d076fcb23d05cc9b509", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e64ffbf8eb7b3f4837b1f208334f33ec90db7e23f2512d076fcb23d05cc9b509", kill_on_drop: false }` [INFO] [stdout] e64ffbf8eb7b3f4837b1f208334f33ec90db7e23f2512d076fcb23d05cc9b509