[INFO] cloning repository https://github.com/zRedShift/aoc-2018 [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/zRedShift/aoc-2018" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FzRedShift%2Faoc-2018", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FzRedShift%2Faoc-2018'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 5b21b9362f323c45e423825af67ce03652daf323 [INFO] checking zRedShift/aoc-2018 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FzRedShift%2Faoc-2018" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/zRedShift/aoc-2018 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/zRedShift/aoc-2018 [INFO] finished tweaking git repo https://github.com/zRedShift/aoc-2018 [INFO] tweaked toml for git repo https://github.com/zRedShift/aoc-2018 written to /workspace/builds/worker-1-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/zRedShift/aoc-2018 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] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 33d1ea0a131a35a4537682cc66a2fab44b3b3ee5a798e048cda0de362333889b [INFO] running `Command { std: "docker" "start" "-a" "33d1ea0a131a35a4537682cc66a2fab44b3b3ee5a798e048cda0de362333889b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "33d1ea0a131a35a4537682cc66a2fab44b3b3ee5a798e048cda0de362333889b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "33d1ea0a131a35a4537682cc66a2fab44b3b3ee5a798e048cda0de362333889b", kill_on_drop: false }` [INFO] [stdout] 33d1ea0a131a35a4537682cc66a2fab44b3b3ee5a798e048cda0de362333889b [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 9558cd8204d30b42db451dd777930dd36d6342c023b420d29b1eea63118555c8 [INFO] running `Command { std: "docker" "start" "-a" "9558cd8204d30b42db451dd777930dd36d6342c023b420d29b1eea63118555c8", kill_on_drop: false }` [INFO] [stderr] Compiling version_check v0.1.5 [INFO] [stderr] Compiling libc v0.2.45 [INFO] [stderr] Checking cfg-if v0.1.6 [INFO] [stderr] Checking lazy_static v1.2.0 [INFO] [stderr] Compiling regex v1.1.0 [INFO] [stderr] Checking ucd-util v0.1.3 [INFO] [stderr] Checking utf8-ranges v1.0.2 [INFO] [stderr] Checking bitflags v1.0.4 [INFO] [stderr] Checking aoc06 v0.1.0 (/opt/rustwide/workdir/aoc06) [INFO] [stderr] Checking aoc15 v0.1.0 (/opt/rustwide/workdir/aoc15) [INFO] [stderr] Checking aoc18 v0.1.0 (/opt/rustwide/workdir/aoc18) [INFO] [stderr] Checking aoc05 v0.1.0 (/opt/rustwide/workdir/aoc05) [INFO] [stderr] Checking aoc02 v0.1.0 (/opt/rustwide/workdir/aoc02) [INFO] [stderr] Checking aoc17 v0.1.0 (/opt/rustwide/workdir/aoc17) [INFO] [stderr] Checking aoc11 v0.1.0 (/opt/rustwide/workdir/aoc11) [INFO] [stderr] Checking aoc25 v0.1.0 (/opt/rustwide/workdir/aoc25) [INFO] [stderr] Checking aoc20 v0.1.0 (/opt/rustwide/workdir/aoc20) [INFO] [stderr] Checking regex-syntax v0.6.4 [INFO] [stderr] Checking thread_local v0.3.6 [INFO] [stderr] Checking aoc01 v0.1.0 (/opt/rustwide/workdir/aoc01) [INFO] [stderr] Checking aoc13 v0.1.0 (/opt/rustwide/workdir/aoc13) [INFO] [stderr] Checking aoc19 v0.1.0 (/opt/rustwide/workdir/aoc19) [INFO] [stderr] Checking aoc12 v0.1.0 (/opt/rustwide/workdir/aoc12) [INFO] [stderr] Checking aoc22 v0.1.0 (/opt/rustwide/workdir/aoc22) [INFO] [stderr] Checking aoc23 v0.1.0 (/opt/rustwide/workdir/aoc23) [INFO] [stderr] Checking aoc08 v0.1.0 (/opt/rustwide/workdir/aoc08) [INFO] [stderr] Checking aoc21 v0.1.0 (/opt/rustwide/workdir/aoc21) [INFO] [stdout] warning: fields `opcode` and `c` are never read [INFO] [stdout] --> aoc21/src/main.rs:76:5 [INFO] [stdout] | [INFO] [stdout] 75 | struct Instruction { [INFO] [stdout] | ----------- fields in this struct [INFO] [stdout] 76 | opcode: i32, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 79 | c: i32, [INFO] [stdout] | ^ [INFO] [stdout] | [INFO] [stdout] = note: `Instruction` 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: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling memchr v2.1.2 [INFO] [stderr] Checking aoc14 v0.1.0 (/opt/rustwide/workdir/aoc14) [INFO] [stdout] warning: fields `opcode` and `c` are never read [INFO] [stdout] --> aoc21/src/main.rs:76:5 [INFO] [stdout] | [INFO] [stdout] 75 | struct Instruction { [INFO] [stdout] | ----------- fields in this struct [INFO] [stdout] 76 | opcode: i32, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 79 | c: i32, [INFO] [stdout] | ^ [INFO] [stdout] | [INFO] [stdout] = note: `Instruction` 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: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking aho-corasick v0.6.9 [INFO] [stderr] Checking aoc09 v0.1.0 (/opt/rustwide/workdir/aoc09) [INFO] [stderr] Checking aoc24 v0.1.0 (/opt/rustwide/workdir/aoc24) [INFO] [stderr] Checking aoc04 v0.1.0 (/opt/rustwide/workdir/aoc04) [INFO] [stderr] Checking aoc10 v0.1.0 (/opt/rustwide/workdir/aoc10) [INFO] [stderr] Checking aoc07 v0.1.0 (/opt/rustwide/workdir/aoc07) [INFO] [stderr] Checking aoc16 v0.1.0 (/opt/rustwide/workdir/aoc16) [INFO] [stderr] Checking aoc03 v0.1.0 (/opt/rustwide/workdir/aoc03) [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> aoc04/src/main.rs:40:39 [INFO] [stdout] | [INFO] [stdout] 40 | None => Err(Box::::from("Invalid pattern.")), [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] help: if this is an object-safe trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 40 | None => Err(Box::::from("Invalid pattern.")), [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> aoc04/src/main.rs:40:39 [INFO] [stdout] | [INFO] [stdout] 40 | None => Err(Box::::from("Invalid pattern.")), [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] help: if this is an object-safe trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 40 | None => Err(Box::::from("Invalid pattern.")), [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] Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.50s [INFO] running `Command { std: "docker" "inspect" "9558cd8204d30b42db451dd777930dd36d6342c023b420d29b1eea63118555c8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9558cd8204d30b42db451dd777930dd36d6342c023b420d29b1eea63118555c8", kill_on_drop: false }` [INFO] [stdout] 9558cd8204d30b42db451dd777930dd36d6342c023b420d29b1eea63118555c8 [INFO] checking zRedShift/aoc-2018 against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FzRedShift%2Faoc-2018" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/zRedShift/aoc-2018 on toolchain 645bb72776a6a56a1a8f52631a44bd082b2ba509 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/zRedShift/aoc-2018 [INFO] finished tweaking git repo https://github.com/zRedShift/aoc-2018 [INFO] tweaked toml for git repo https://github.com/zRedShift/aoc-2018 written to /workspace/builds/worker-1-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/zRedShift/aoc-2018 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" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] c2a71157087c93799b7fbf352c4e6236e514be072eca7e336eaa7b4f833b7c58 [INFO] running `Command { std: "docker" "start" "-a" "c2a71157087c93799b7fbf352c4e6236e514be072eca7e336eaa7b4f833b7c58", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "c2a71157087c93799b7fbf352c4e6236e514be072eca7e336eaa7b4f833b7c58", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c2a71157087c93799b7fbf352c4e6236e514be072eca7e336eaa7b4f833b7c58", kill_on_drop: false }` [INFO] [stdout] c2a71157087c93799b7fbf352c4e6236e514be072eca7e336eaa7b4f833b7c58 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] e0c9f557ecec9431434ea79295fd7452fb84ddfe7ec7f421e98f4712fa9419b6 [INFO] running `Command { std: "docker" "start" "-a" "e0c9f557ecec9431434ea79295fd7452fb84ddfe7ec7f421e98f4712fa9419b6", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.45 [INFO] [stderr] Compiling version_check v0.1.5 [INFO] [stderr] Checking cfg-if v0.1.6 [INFO] [stderr] Checking lazy_static v1.2.0 [INFO] [stderr] Checking ucd-util v0.1.3 [INFO] [stderr] Compiling regex v1.1.0 [INFO] [stderr] Checking utf8-ranges v1.0.2 [INFO] [stderr] Checking bitflags v1.0.4 [INFO] [stderr] Checking aoc17 v0.1.0 (/opt/rustwide/workdir/aoc17) [INFO] [stderr] Checking aoc22 v0.1.0 (/opt/rustwide/workdir/aoc22) [INFO] [stderr] Checking aoc02 v0.1.0 (/opt/rustwide/workdir/aoc02) [INFO] [stderr] Checking aoc25 v0.1.0 (/opt/rustwide/workdir/aoc25) [INFO] [stderr] Checking aoc08 v0.1.0 (/opt/rustwide/workdir/aoc08) [INFO] [stderr] Checking aoc15 v0.1.0 (/opt/rustwide/workdir/aoc15) [INFO] [stderr] Checking aoc23 v0.1.0 (/opt/rustwide/workdir/aoc23) [INFO] [stderr] Checking aoc21 v0.1.0 (/opt/rustwide/workdir/aoc21) [INFO] [stderr] Checking aoc20 v0.1.0 (/opt/rustwide/workdir/aoc20) [INFO] [stderr] Checking regex-syntax v0.6.4 [INFO] [stderr] Checking thread_local v0.3.6 [INFO] [stderr] Checking aoc12 v0.1.0 (/opt/rustwide/workdir/aoc12) [INFO] [stderr] Checking aoc14 v0.1.0 (/opt/rustwide/workdir/aoc14) [INFO] [stdout] warning: fields `opcode` and `c` are never read [INFO] [stdout] --> aoc21/src/main.rs:76:5 [INFO] [stdout] | [INFO] [stdout] 75 | struct Instruction { [INFO] [stdout] | ----------- fields in this struct [INFO] [stdout] 76 | opcode: i32, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 79 | c: i32, [INFO] [stdout] | ^ [INFO] [stdout] | [INFO] [stdout] = note: `Instruction` 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: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking aoc11 v0.1.0 (/opt/rustwide/workdir/aoc11) [INFO] [stderr] Checking aoc13 v0.1.0 (/opt/rustwide/workdir/aoc13) [INFO] [stderr] Checking aoc01 v0.1.0 (/opt/rustwide/workdir/aoc01) [INFO] [stderr] Checking aoc06 v0.1.0 (/opt/rustwide/workdir/aoc06) [INFO] [stderr] Checking aoc19 v0.1.0 (/opt/rustwide/workdir/aoc19) [INFO] [stderr] Checking aoc18 v0.1.0 (/opt/rustwide/workdir/aoc18) [INFO] [stdout] warning: fields `opcode` and `c` are never read [INFO] [stdout] --> aoc21/src/main.rs:76:5 [INFO] [stdout] | [INFO] [stdout] 75 | struct Instruction { [INFO] [stdout] | ----------- fields in this struct [INFO] [stdout] 76 | opcode: i32, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 79 | c: i32, [INFO] [stdout] | ^ [INFO] [stdout] | [INFO] [stdout] = note: `Instruction` 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] [stderr] Checking aoc05 v0.1.0 (/opt/rustwide/workdir/aoc05) [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling memchr v2.1.2 [INFO] [stderr] Checking aho-corasick v0.6.9 [INFO] [stderr] Checking aoc09 v0.1.0 (/opt/rustwide/workdir/aoc09) [INFO] [stderr] Checking aoc04 v0.1.0 (/opt/rustwide/workdir/aoc04) [INFO] [stderr] Checking aoc24 v0.1.0 (/opt/rustwide/workdir/aoc24) [INFO] [stderr] Checking aoc03 v0.1.0 (/opt/rustwide/workdir/aoc03) [INFO] [stderr] Checking aoc16 v0.1.0 (/opt/rustwide/workdir/aoc16) [INFO] [stderr] Checking aoc07 v0.1.0 (/opt/rustwide/workdir/aoc07) [INFO] [stderr] Checking aoc10 v0.1.0 (/opt/rustwide/workdir/aoc10) [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> aoc04/src/main.rs:40:39 [INFO] [stdout] | [INFO] [stdout] 40 | None => Err(Box::::from("Invalid pattern.")), [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] help: if this is an object-safe trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 40 | None => Err(Box::::from("Invalid pattern.")), [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> aoc04/src/main.rs:40:39 [INFO] [stdout] | [INFO] [stdout] 40 | None => Err(Box::::from("Invalid pattern.")), [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] help: if this is an object-safe trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 40 | None => Err(Box::::from("Invalid pattern.")), [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.99s [INFO] running `Command { std: "docker" "inspect" "e0c9f557ecec9431434ea79295fd7452fb84ddfe7ec7f421e98f4712fa9419b6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e0c9f557ecec9431434ea79295fd7452fb84ddfe7ec7f421e98f4712fa9419b6", kill_on_drop: false }` [INFO] [stdout] e0c9f557ecec9431434ea79295fd7452fb84ddfe7ec7f421e98f4712fa9419b6