[INFO] cloning repository https://github.com/RikvanToor/aoc2021 [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/RikvanToor/aoc2021" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRikvanToor%2Faoc2021", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRikvanToor%2Faoc2021'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 4c3a00004a809fa8a458edb249401861de0e1e04 [INFO] checking RikvanToor/aoc2021 against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRikvanToor%2Faoc2021" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/RikvanToor/aoc2021 on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/RikvanToor/aoc2021 [INFO] finished tweaking git repo https://github.com/RikvanToor/aoc2021 [INFO] tweaked toml for git repo https://github.com/RikvanToor/aoc2021 written to /workspace/builds/worker-4-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/RikvanToor/aoc2021 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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded pathfinding v3.0.5 [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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 18668714092a29f8f8f58fa65c19162554f5a7598285a7584c33348895a4e36d [INFO] running `Command { std: "docker" "start" "-a" "18668714092a29f8f8f58fa65c19162554f5a7598285a7584c33348895a4e36d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "18668714092a29f8f8f58fa65c19162554f5a7598285a7584c33348895a4e36d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "18668714092a29f8f8f58fa65c19162554f5a7598285a7584c33348895a4e36d", kill_on_drop: false }` [INFO] [stdout] 18668714092a29f8f8f58fa65c19162554f5a7598285a7584c33348895a4e36d [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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] c2741bcbed1cb702cea95a583c7752a8c9f43be1da4985b083c61fa038d08e77 [INFO] running `Command { std: "docker" "start" "-a" "c2741bcbed1cb702cea95a583c7752a8c9f43be1da4985b083c61fa038d08e77", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.108 [INFO] [stderr] Compiling log v0.4.14 [INFO] [stderr] Compiling memchr v2.4.1 [INFO] [stderr] Checking pin-project-lite v0.2.7 [INFO] [stderr] Compiling pkg-config v0.3.22 [INFO] [stderr] Compiling cc v1.0.72 [INFO] [stderr] Checking bytes v1.1.0 [INFO] [stderr] Compiling futures-core v0.3.18 [INFO] [stderr] Compiling tokio v1.14.0 [INFO] [stderr] Compiling indexmap v1.7.0 [INFO] [stderr] Checking itoa v0.4.8 [INFO] [stderr] Compiling futures-task v0.3.18 [INFO] [stderr] Compiling num-traits v0.2.14 [INFO] [stderr] Compiling futures-util v0.3.18 [INFO] [stderr] Checking foreign-types-shared v0.1.1 [INFO] [stderr] Compiling openssl v0.10.38 [INFO] [stderr] Checking hashbrown v0.11.2 [INFO] [stderr] Checking tracing-core v0.1.21 [INFO] [stderr] Checking foreign-types v0.3.2 [INFO] [stderr] Compiling httparse v1.5.1 [INFO] [stderr] Checking matches v0.1.9 [INFO] [stderr] Compiling native-tls v0.2.8 [INFO] [stderr] Checking futures-io v0.3.18 [INFO] [stderr] Checking tinyvec_macros v0.1.0 [INFO] [stderr] Checking once_cell v1.8.0 [INFO] [stderr] Checking slab v0.4.5 [INFO] [stderr] Compiling futures-channel v0.3.18 [INFO] [stderr] Checking futures-sink v0.3.18 [INFO] [stderr] Checking tinyvec v1.5.1 [INFO] [stderr] Compiling ryu v1.0.6 [INFO] [stderr] Checking openssl-probe v0.1.4 [INFO] [stderr] Checking percent-encoding v2.1.0 [INFO] [stderr] Checking try-lock v0.2.3 [INFO] [stderr] Checking tracing v0.1.29 [INFO] [stderr] Compiling serde v1.0.130 [INFO] [stderr] Compiling num-integer v0.1.44 [INFO] [stderr] Checking http v0.2.5 [INFO] [stderr] Checking want v0.3.0 [INFO] [stderr] Checking unicode-bidi v0.3.7 [INFO] [stderr] Checking form_urlencoded v1.0.1 [INFO] [stderr] Checking tower-service v0.3.1 [INFO] [stderr] Checking httpdate v1.0.2 [INFO] [stderr] Compiling encoding_rs v0.8.29 [INFO] [stderr] Compiling nom v7.1.0 [INFO] [stderr] Checking itertools v0.10.1 [INFO] [stderr] Checking mio v0.7.14 [INFO] [stderr] Checking num_cpus v1.13.0 [INFO] [stderr] Checking socket2 v0.4.2 [INFO] [stderr] Checking time v0.1.44 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking mime v0.3.16 [INFO] [stderr] Checking base64 v0.13.0 [INFO] [stderr] Compiling openssl-sys v0.9.71 [INFO] [stderr] Checking rustc-hash v1.1.0 [INFO] [stderr] Checking fixedbitset v0.4.0 [INFO] [stderr] Checking minimal-lexical v0.2.1 [INFO] [stderr] Checking ipnet v2.3.1 [INFO] [stderr] Checking clap v2.33.3 [INFO] [stderr] Checking unicode-normalization v0.1.19 [INFO] [stderr] Checking integer-sqrt v0.1.5 [INFO] [stderr] Checking chrono v0.4.19 [INFO] [stderr] Checking idna v0.2.3 [INFO] [stderr] Checking pathfinding v3.0.5 [INFO] [stderr] Checking url v2.2.2 [INFO] [stderr] Checking http-body v0.4.4 [INFO] [stderr] Checking tokio-util v0.6.9 [INFO] [stderr] Checking h2 v0.3.7 [INFO] [stderr] Checking serde_urlencoded v0.7.0 [INFO] [stderr] Checking tokio-native-tls v0.3.0 [INFO] [stderr] Checking hyper v0.14.15 [INFO] [stderr] Checking hyper-tls v0.5.0 [INFO] [stderr] Checking reqwest v0.11.7 [INFO] [stderr] Checking aoc-template v2021.0.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: the item `TryInto` is imported redundantly [INFO] [stdout] --> src/days/day04.rs:6:5 [INFO] [stdout] | [INFO] [stdout] 6 | use std::convert::TryInto; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:148:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `TryInto` is already defined here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::collections::HashMap` [INFO] [stdout] --> src/days/day19.rs:9:5 [INFO] [stdout] | [INFO] [stdout] 9 | use std::collections::HashMap; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `core::ops::Range` [INFO] [stdout] --> src/days/day24.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use core::ops::Range; [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `TryInto` is imported redundantly [INFO] [stdout] --> src/days/day04.rs:6:5 [INFO] [stdout] | [INFO] [stdout] 6 | use std::convert::TryInto; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:148:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `TryInto` is already defined here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::collections::HashMap` [INFO] [stdout] --> src/days/day19.rs:9:5 [INFO] [stdout] | [INFO] [stdout] 9 | use std::collections::HashMap; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `core::ops::Range` [INFO] [stdout] --> src/days/day24.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use core::ops::Range; [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 21.23s [INFO] running `Command { std: "docker" "inspect" "c2741bcbed1cb702cea95a583c7752a8c9f43be1da4985b083c61fa038d08e77", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c2741bcbed1cb702cea95a583c7752a8c9f43be1da4985b083c61fa038d08e77", kill_on_drop: false }` [INFO] [stdout] c2741bcbed1cb702cea95a583c7752a8c9f43be1da4985b083c61fa038d08e77 [INFO] checking RikvanToor/aoc2021 against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRikvanToor%2Faoc2021" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/RikvanToor/aoc2021 on toolchain 2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/RikvanToor/aoc2021 [INFO] finished tweaking git repo https://github.com/RikvanToor/aoc2021 [INFO] tweaked toml for git repo https://github.com/RikvanToor/aoc2021 written to /workspace/builds/worker-4-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/RikvanToor/aoc2021 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" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] c7aeb60dbb21580d2d135522d756ba0e5adcdc3cd65c20895ade550742cf989b [INFO] running `Command { std: "docker" "start" "-a" "c7aeb60dbb21580d2d135522d756ba0e5adcdc3cd65c20895ade550742cf989b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "c7aeb60dbb21580d2d135522d756ba0e5adcdc3cd65c20895ade550742cf989b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c7aeb60dbb21580d2d135522d756ba0e5adcdc3cd65c20895ade550742cf989b", kill_on_drop: false }` [INFO] [stdout] c7aeb60dbb21580d2d135522d756ba0e5adcdc3cd65c20895ade550742cf989b [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 647bc1f3b7e48b63b0497fd780a97d27105683816f5d9dd8ff47d07427927e9e [INFO] running `Command { std: "docker" "start" "-a" "647bc1f3b7e48b63b0497fd780a97d27105683816f5d9dd8ff47d07427927e9e", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.108 [INFO] [stderr] Compiling log v0.4.14 [INFO] [stderr] Compiling memchr v2.4.1 [INFO] [stderr] Checking pin-project-lite v0.2.7 [INFO] [stderr] Compiling cc v1.0.72 [INFO] [stderr] Compiling pkg-config v0.3.22 [INFO] [stderr] Checking bytes v1.1.0 [INFO] [stderr] Compiling futures-core v0.3.18 [INFO] [stderr] Compiling tokio v1.14.0 [INFO] [stderr] Compiling indexmap v1.7.0 [INFO] [stderr] Compiling futures-task v0.3.18 [INFO] [stderr] Checking itoa v0.4.8 [INFO] [stderr] Compiling num-traits v0.2.14 [INFO] [stderr] Checking hashbrown v0.11.2 [INFO] [stderr] Checking foreign-types-shared v0.1.1 [INFO] [stderr] Compiling openssl v0.10.38 [INFO] [stderr] Compiling futures-util v0.3.18 [INFO] [stderr] Checking foreign-types v0.3.2 [INFO] [stderr] Checking tracing-core v0.1.21 [INFO] [stderr] Checking tinyvec_macros v0.1.0 [INFO] [stderr] Checking once_cell v1.8.0 [INFO] [stderr] Checking futures-sink v0.3.18 [INFO] [stderr] Checking futures-io v0.3.18 [INFO] [stderr] Checking matches v0.1.9 [INFO] [stderr] Compiling futures-channel v0.3.18 [INFO] [stderr] Checking slab v0.4.5 [INFO] [stderr] Compiling httparse v1.5.1 [INFO] [stderr] Compiling native-tls v0.2.8 [INFO] [stderr] Checking tinyvec v1.5.1 [INFO] [stderr] Checking try-lock v0.2.3 [INFO] [stderr] Checking openssl-probe v0.1.4 [INFO] [stderr] Compiling serde v1.0.130 [INFO] [stderr] Compiling ryu v1.0.6 [INFO] [stderr] Checking percent-encoding v2.1.0 [INFO] [stderr] Checking http v0.2.5 [INFO] [stderr] Checking want v0.3.0 [INFO] [stderr] Checking tracing v0.1.29 [INFO] [stderr] Checking form_urlencoded v1.0.1 [INFO] [stderr] Compiling num-integer v0.1.44 [INFO] [stderr] Compiling encoding_rs v0.8.29 [INFO] [stderr] Checking unicode-bidi v0.3.7 [INFO] [stderr] Checking httpdate v1.0.2 [INFO] [stderr] Checking tower-service v0.3.1 [INFO] [stderr] Compiling nom v7.1.0 [INFO] [stderr] Checking itertools v0.10.1 [INFO] [stderr] Checking ipnet v2.3.1 [INFO] [stderr] Checking fixedbitset v0.4.0 [INFO] [stderr] Checking mime v0.3.16 [INFO] [stderr] Checking base64 v0.13.0 [INFO] [stderr] Checking rustc-hash v1.1.0 [INFO] [stderr] Checking minimal-lexical v0.2.1 [INFO] [stderr] Checking unicode-normalization v0.1.19 [INFO] [stderr] Compiling openssl-sys v0.9.71 [INFO] [stderr] Checking num_cpus v1.13.0 [INFO] [stderr] Checking mio v0.7.14 [INFO] [stderr] Checking socket2 v0.4.2 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking time v0.1.44 [INFO] [stderr] Checking clap v2.33.3 [INFO] [stderr] Checking integer-sqrt v0.1.5 [INFO] [stderr] Checking chrono v0.4.19 [INFO] [stderr] Checking pathfinding v3.0.5 [INFO] [stderr] Checking idna v0.2.3 [INFO] [stderr] Checking url v2.2.2 [INFO] [stderr] Checking http-body v0.4.4 [INFO] [stderr] Checking serde_urlencoded v0.7.0 [INFO] [stderr] Checking tokio-util v0.6.9 [INFO] [stderr] Checking h2 v0.3.7 [INFO] [stderr] Checking tokio-native-tls v0.3.0 [INFO] [stderr] Checking hyper v0.14.15 [INFO] [stderr] Checking hyper-tls v0.5.0 [INFO] [stderr] Checking reqwest v0.11.7 [INFO] [stderr] Checking aoc-template v2021.0.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: the item `TryInto` is imported redundantly [INFO] [stdout] --> src/days/day04.rs:6:5 [INFO] [stdout] | [INFO] [stdout] 6 | use std::convert::TryInto; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2/library/std/src/prelude/mod.rs:148:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `TryInto` is already defined here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::collections::HashMap` [INFO] [stdout] --> src/days/day19.rs:9:5 [INFO] [stdout] | [INFO] [stdout] 9 | use std::collections::HashMap; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `core::ops::Range` [INFO] [stdout] --> src/days/day24.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use core::ops::Range; [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `TryInto` is imported redundantly [INFO] [stdout] --> src/days/day04.rs:6:5 [INFO] [stdout] | [INFO] [stdout] 6 | use std::convert::TryInto; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2/library/std/src/prelude/mod.rs:148:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `TryInto` is already defined here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::collections::HashMap` [INFO] [stdout] --> src/days/day19.rs:9:5 [INFO] [stdout] | [INFO] [stdout] 9 | use std::collections::HashMap; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `core::ops::Range` [INFO] [stdout] --> src/days/day24.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use core::ops::Range; [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 21.98s [INFO] running `Command { std: "docker" "inspect" "647bc1f3b7e48b63b0497fd780a97d27105683816f5d9dd8ff47d07427927e9e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "647bc1f3b7e48b63b0497fd780a97d27105683816f5d9dd8ff47d07427927e9e", kill_on_drop: false }` [INFO] [stdout] 647bc1f3b7e48b63b0497fd780a97d27105683816f5d9dd8ff47d07427927e9e