[INFO] cloning repository https://github.com/Ichbinjoe/aoc [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Ichbinjoe/aoc" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FIchbinjoe%2Faoc", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FIchbinjoe%2Faoc'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 0532878a758634166feffd54d008f07642dcfa67 [INFO] checking Ichbinjoe/aoc against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FIchbinjoe%2Faoc" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/Ichbinjoe/aoc 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/Ichbinjoe/aoc [INFO] finished tweaking git repo https://github.com/Ichbinjoe/aoc [INFO] tweaked toml for git repo https://github.com/Ichbinjoe/aoc written to /workspace/builds/worker-3-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/Ichbinjoe/aoc 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] Downloading crates ... [INFO] [stderr] Downloaded futures-sink v0.3.18 [INFO] [stderr] Downloaded futures-core v0.3.18 [INFO] [stderr] Downloaded futures-channel v0.3.18 [INFO] [stderr] Downloaded futures-task v0.3.18 [INFO] [stderr] Downloaded anyhow v1.0.34 [INFO] [stderr] Downloaded futures-util v0.3.18 [INFO] [stderr] Downloaded hyper v0.14.15 [INFO] [stderr] Downloaded libc v0.2.109 [INFO] [stderr] Downloaded reqwest v0.11.7 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] d445bd24536d2180e498a18a18b4edc636b15a71c46398e6255a91678a74df9f [INFO] running `Command { std: "docker" "start" "-a" "d445bd24536d2180e498a18a18b4edc636b15a71c46398e6255a91678a74df9f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "d445bd24536d2180e498a18a18b4edc636b15a71c46398e6255a91678a74df9f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d445bd24536d2180e498a18a18b4edc636b15a71c46398e6255a91678a74df9f", kill_on_drop: false }` [INFO] [stdout] d445bd24536d2180e498a18a18b4edc636b15a71c46398e6255a91678a74df9f [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 9bb26a47080ccca930de1875d1b896717ae801460d25020e2ffd920e64068cc5 [INFO] running `Command { std: "docker" "start" "-a" "9bb26a47080ccca930de1875d1b896717ae801460d25020e2ffd920e64068cc5", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.109 [INFO] [stderr] Compiling openssl-sys v0.9.71 [INFO] [stderr] Compiling futures-core v0.3.18 [INFO] [stderr] Compiling tokio v1.14.0 [INFO] [stderr] Compiling version_check v0.9.2 [INFO] [stderr] Compiling futures-task v0.3.18 [INFO] [stderr] Compiling indexmap v1.7.0 [INFO] [stderr] Compiling syn v1.0.82 [INFO] [stderr] Compiling futures-util v0.3.18 [INFO] [stderr] Checking http v0.2.5 [INFO] [stderr] Checking futures-sink v0.3.18 [INFO] [stderr] Compiling futures-channel v0.3.18 [INFO] [stderr] Checking tracing v0.1.29 [INFO] [stderr] Compiling serde v1.0.130 [INFO] [stderr] Compiling ryu v1.0.6 [INFO] [stderr] Checking openssl-probe v0.1.4 [INFO] [stderr] Compiling unicode-segmentation v1.7.1 [INFO] [stderr] Compiling encoding_rs v0.8.29 [INFO] [stderr] Checking unicode-width v0.1.8 [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Compiling anyhow v1.0.34 [INFO] [stderr] Compiling either v1.6.1 [INFO] [stderr] Checking regex-syntax v0.6.21 [INFO] [stderr] Compiling heck v0.3.1 [INFO] [stderr] Compiling itertools v0.9.0 [INFO] [stderr] Compiling proc-macro-error-attr v1.0.4 [INFO] [stderr] Compiling proc-macro-error v1.0.4 [INFO] [stderr] Compiling openssl v0.10.38 [INFO] [stderr] Compiling native-tls v0.2.8 [INFO] [stderr] Checking mio v0.7.14 [INFO] [stderr] Checking socket2 v0.4.2 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking clap v2.33.3 [INFO] [stderr] Checking http-body v0.4.4 [INFO] [stderr] Checking regex v1.4.2 [INFO] [stderr] Checking serde_urlencoded v0.7.0 [INFO] [stderr] Checking tokio-util v0.6.9 [INFO] [stderr] Checking tokio-native-tls v0.3.0 [INFO] [stderr] Checking h2 v0.3.7 [INFO] [stderr] Compiling structopt-derive v0.4.13 [INFO] [stderr] Compiling proc v0.1.0 (/opt/rustwide/workdir/proc) [INFO] [stderr] Checking structopt v0.3.20 [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 v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `super::*` [INFO] [stdout] --> src/y2020p12.rs:144:9 [INFO] [stdout] | [INFO] [stdout] 144 | use super::*; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `Context` [INFO] [stdout] --> src/y2021p3.rs:2:22 [INFO] [stdout] | [INFO] [stdout] 2 | use anyhow::{anyhow, Context}; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Iterator` is imported redundantly [INFO] [stdout] --> src/y2021p3.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | use std::iter::Iterator; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:134:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `Iterator` is already defined here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::str::FromStr` [INFO] [stdout] --> src/y2021p3.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 5 | use std::str::FromStr; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `Context` [INFO] [stdout] --> src/y2021p3.rs:2:22 [INFO] [stdout] | [INFO] [stdout] 2 | use anyhow::{anyhow, Context}; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Iterator` is imported redundantly [INFO] [stdout] --> src/y2021p3.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | use std::iter::Iterator; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:134:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `Iterator` is already defined here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::str::FromStr` [INFO] [stdout] --> src/y2021p3.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 5 | use std::str::FromStr; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `path1` [INFO] [stdout] --> src/y2019p3.rs:271:17 [INFO] [stdout] | [INFO] [stdout] 271 | let mut path1 = build_path_from_str("R8,U5,L5,D3").unwrap(); [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_path1` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `path2` [INFO] [stdout] --> src/y2019p3.rs:272:17 [INFO] [stdout] | [INFO] [stdout] 272 | let mut path2 = build_path_from_str("U7,R6,D4,L4").unwrap(); [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_path2` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/y2019p3.rs:271:13 [INFO] [stdout] | [INFO] [stdout] 271 | let mut path1 = build_path_from_str("R8,U5,L5,D3").unwrap(); [INFO] [stdout] | ----^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/y2019p3.rs:272:13 [INFO] [stdout] | [INFO] [stdout] 272 | let mut path2 = build_path_from_str("U7,R6,D4,L4").unwrap(); [INFO] [stdout] | ----^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant `IllegalStore` is never constructed [INFO] [stdout] --> src/intcode.rs:31:5 [INFO] [stdout] | [INFO] [stdout] 25 | pub enum IntcodeError { [INFO] [stdout] | ------------ variant in this enum [INFO] [stdout] ... [INFO] [stdout] 31 | IllegalStore, [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `IntcodeError` 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: method `data_mut` is never used [INFO] [stdout] --> src/intcode.rs:492:12 [INFO] [stdout] | [INFO] [stdout] 380 | impl> IntcodeVM { [INFO] [stdout] | ---------------------------------------------- method in this implementation [INFO] [stdout] ... [INFO] [stdout] 492 | pub fn data_mut<'a>(&'a mut self) -> &'a mut D { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `IOProg` is never constructed [INFO] [stdout] --> src/intcode.rs:543:12 [INFO] [stdout] | [INFO] [stdout] 543 | struct IOProg { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `invert` is never used [INFO] [stdout] --> src/y2021p3.rs:15:8 [INFO] [stdout] | [INFO] [stdout] 14 | impl PopResult { [INFO] [stdout] | -------------- method in this implementation [INFO] [stdout] 15 | fn invert(self) -> PopResult { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant `IllegalStore` is never constructed [INFO] [stdout] --> src/intcode.rs:31:5 [INFO] [stdout] | [INFO] [stdout] 25 | pub enum IntcodeError { [INFO] [stdout] | ------------ variant in this enum [INFO] [stdout] ... [INFO] [stdout] 31 | IllegalStore, [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `IntcodeError` 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: method `data_mut` is never used [INFO] [stdout] --> src/intcode.rs:492:12 [INFO] [stdout] | [INFO] [stdout] 380 | impl> IntcodeVM { [INFO] [stdout] | ---------------------------------------------- method in this implementation [INFO] [stdout] ... [INFO] [stdout] 492 | pub fn data_mut<'a>(&'a mut self) -> &'a mut D { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `invert` is never used [INFO] [stdout] --> src/y2021p3.rs:15:8 [INFO] [stdout] | [INFO] [stdout] 14 | impl PopResult { [INFO] [stdout] | -------------- method in this implementation [INFO] [stdout] 15 | fn invert(self) -> PopResult { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 12 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 6 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 17.49s [INFO] running `Command { std: "docker" "inspect" "9bb26a47080ccca930de1875d1b896717ae801460d25020e2ffd920e64068cc5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9bb26a47080ccca930de1875d1b896717ae801460d25020e2ffd920e64068cc5", kill_on_drop: false }` [INFO] [stdout] 9bb26a47080ccca930de1875d1b896717ae801460d25020e2ffd920e64068cc5