[INFO] cloning repository https://github.com/insertt/aoc2020
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/insertt/aoc2020" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Finsertt%2Faoc2020", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Finsertt%2Faoc2020'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 897ae7a93873661e269bfffe1980c75a7c7b3921
[INFO] checking insertt/aoc2020 against master#bca37a20bd376ce3fd138e7cdee7fe704e0f8814 for pr-139493-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Finsertt%2Faoc2020" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/insertt/aoc2020
[INFO] finished tweaking git repo https://github.com/insertt/aoc2020
[INFO] tweaked toml for git repo https://github.com/insertt/aoc2020 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/insertt/aoc2020 on toolchain bca37a20bd376ce3fd138e7cdee7fe704e0f8814
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/insertt/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" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a3730d82171cd22863cd69c5cda97cff0d26c8931eaee2ad0163cc5382d020f0
[INFO] running `Command { std: "docker" "start" "-a" "a3730d82171cd22863cd69c5cda97cff0d26c8931eaee2ad0163cc5382d020f0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a3730d82171cd22863cd69c5cda97cff0d26c8931eaee2ad0163cc5382d020f0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a3730d82171cd22863cd69c5cda97cff0d26c8931eaee2ad0163cc5382d020f0", kill_on_drop: false }`
[INFO] [stdout] a3730d82171cd22863cd69c5cda97cff0d26c8931eaee2ad0163cc5382d020f0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 79f8546d0ea962c8ebdd303a75d5b8d8eb9e263882e5f70e0fe14303f87b055d
[INFO] running `Command { std: "docker" "start" "-a" "79f8546d0ea962c8ebdd303a75d5b8d8eb9e263882e5f70e0fe14303f87b055d", kill_on_drop: false }`
[INFO] [stderr]     Checking scan_fmt v0.2.5
[INFO] [stderr]     Checking aoc2020 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the feature `bindings_after_at` has been stable since 1.56.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/bin/day03-part2/main.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(bindings_after_at)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `bindings_after_at` has been stable since 1.56.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/bin/day03-part2/main.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(bindings_after_at)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/bin/day08/main.rs:102:9
[INFO] [stdout]     |
[INFO] [stdout] 102 |     Nop(i32),
[INFO] [stdout]     |     --- ^^^
[INFO] [stdout]     |     |
[INFO] [stdout]     |     field in this variant
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Opcode` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 102 -     Nop(i32),
[INFO] [stdout] 102 +     Nop(()),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/bin/day08/main.rs:102:9
[INFO] [stdout]     |
[INFO] [stdout] 102 |     Nop(i32),
[INFO] [stdout]     |     --- ^^^
[INFO] [stdout]     |     |
[INFO] [stdout]     |     field in this variant
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Opcode` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 102 -     Nop(i32),
[INFO] [stdout] 102 +     Nop(()),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.14s
[INFO] running `Command { std: "docker" "inspect" "79f8546d0ea962c8ebdd303a75d5b8d8eb9e263882e5f70e0fe14303f87b055d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "79f8546d0ea962c8ebdd303a75d5b8d8eb9e263882e5f70e0fe14303f87b055d", kill_on_drop: false }`
[INFO] [stdout] 79f8546d0ea962c8ebdd303a75d5b8d8eb9e263882e5f70e0fe14303f87b055d