[INFO] cloning repository https://github.com/scott113341/advent_of_code_2021
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/scott113341/advent_of_code_2021" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fscott113341%2Fadvent_of_code_2021", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fscott113341%2Fadvent_of_code_2021'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 567cecc3add67b3778c0eff3ac7623e67afef404
[INFO] building scott113341/advent_of_code_2021 against master#11663cd3bfefef7d34e8f0892c250bf698049392+rustflags=-Dtail-expr-drop-order for pr-134523
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fscott113341%2Fadvent_of_code_2021" "/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/scott113341/advent_of_code_2021 on toolchain 11663cd3bfefef7d34e8f0892c250bf698049392
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/scott113341/advent_of_code_2021
[INFO] finished tweaking git repo https://github.com/scott113341/advent_of_code_2021
[INFO] tweaked toml for git repo https://github.com/scott113341/advent_of_code_2021 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/scott113341/advent_of_code_2021 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" "+11663cd3bfefef7d34e8f0892c250bf698049392" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: virtual workspace defaulting to `resolver = "1"` despite one or more workspace members being on edition 2021 which implies `resolver = "2"`
[INFO] [stderr] note: to keep the current resolver, specify `workspace.resolver = "1"` in the workspace root's manifest
[INFO] [stderr] note: to use the edition 2021 resolver, specify `workspace.resolver = "2"` in the workspace root's manifest
[INFO] [stderr] note: for more details see https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions
[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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bd3b94bce9f6ee1b0f489760bda070cc8dc17c7361538cd51cccc41e8802e0ff
[INFO] running `Command { std: "docker" "start" "-a" "bd3b94bce9f6ee1b0f489760bda070cc8dc17c7361538cd51cccc41e8802e0ff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bd3b94bce9f6ee1b0f489760bda070cc8dc17c7361538cd51cccc41e8802e0ff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bd3b94bce9f6ee1b0f489760bda070cc8dc17c7361538cd51cccc41e8802e0ff", kill_on_drop: false }`
[INFO] [stdout] bd3b94bce9f6ee1b0f489760bda070cc8dc17c7361538cd51cccc41e8802e0ff
[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 -Dtail-expr-drop-order" "-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0833df3aaa519789d0a7013941c3fe95cc3bffff85c1c1eabfa11419688b2ec5
[INFO] running `Command { std: "docker" "start" "-a" "0833df3aaa519789d0a7013941c3fe95cc3bffff85c1c1eabfa11419688b2ec5", kill_on_drop: false }`
[INFO] [stderr] warning: virtual workspace defaulting to `resolver = "1"` despite one or more workspace members being on edition 2021 which implies `resolver = "2"`
[INFO] [stderr] note: to keep the current resolver, specify `workspace.resolver = "1"` in the workspace root's manifest
[INFO] [stderr] note: to use the edition 2021 resolver, specify `workspace.resolver = "2"` in the workspace root's manifest
[INFO] [stderr] note: for more details see https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling regex-syntax v0.6.27
[INFO] [stderr]    Compiling day_06 v0.1.0 (/opt/rustwide/workdir/day_06)
[INFO] [stderr]    Compiling day_01 v0.1.0 (/opt/rustwide/workdir/day_01)
[INFO] [stderr]    Compiling day_03 v0.1.0 (/opt/rustwide/workdir/day_03)
[INFO] [stderr]    Compiling day_07 v0.1.0 (/opt/rustwide/workdir/day_07)
[INFO] [stderr]    Compiling day_08 v0.1.0 (/opt/rustwide/workdir/day_08)
[INFO] [stderr]    Compiling day_12 v0.1.0 (/opt/rustwide/workdir/day_12)
[INFO] [stderr]    Compiling day_10 v0.1.0 (/opt/rustwide/workdir/day_10)
[INFO] [stderr]    Compiling day_15 v0.1.0 (/opt/rustwide/workdir/day_15)
[INFO] [stderr]    Compiling day_05 v0.1.0 (/opt/rustwide/workdir/day_05)
[INFO] [stderr]    Compiling day_04 v0.1.0 (/opt/rustwide/workdir/day_04)
[INFO] [stderr]    Compiling day_13 v0.1.0 (/opt/rustwide/workdir/day_13)
[INFO] [stderr]    Compiling day_14 v0.1.0 (/opt/rustwide/workdir/day_14)
[INFO] [stderr]    Compiling day_09 v0.1.0 (/opt/rustwide/workdir/day_09)
[INFO] [stderr]    Compiling day_02 v0.1.0 (/opt/rustwide/workdir/day_02)
[INFO] [stdout] warning: using `.clone()` on a double reference, which returns `&Coord` instead of cloning the inner type
[INFO] [stdout]   --> day_09/src/data.rs:46:41
[INFO] [stdout]    |
[INFO] [stdout] 46 |                     counted.insert(coord.clone());
[INFO] [stdout]    |                                         ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(suspicious_double_ref_op)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple fields are never read
[INFO] [stdout]    --> day_08/src/data.rs:143:9
[INFO] [stdout]     |
[INFO] [stdout] 142 | pub struct Solution {
[INFO] [stdout]     |            -------- fields in this struct
[INFO] [stdout] 143 |     pub a: Option<char>,
[INFO] [stdout]     |         ^
[INFO] [stdout] 144 |     pub b: Option<char>,
[INFO] [stdout]     |         ^
[INFO] [stdout] 145 |     pub c: Option<char>,
[INFO] [stdout]     |         ^
[INFO] [stdout] 146 |     pub d: Option<char>,
[INFO] [stdout]     |         ^
[INFO] [stdout] 147 |     pub e: Option<char>,
[INFO] [stdout]     |         ^
[INFO] [stdout] 148 |     pub f: Option<char>,
[INFO] [stdout]     |         ^
[INFO] [stdout] 149 |     pub g: Option<char>,
[INFO] [stdout]     |         ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Solution` 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]    Compiling day_11 v0.1.0 (/opt/rustwide/workdir/day_11)
[INFO] [stderr]    Compiling aho-corasick v0.7.19
[INFO] [stderr]    Compiling regex v1.6.0
[INFO] [stderr]    Compiling day_17 v0.1.0 (/opt/rustwide/workdir/day_17)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.36s
[INFO] running `Command { std: "docker" "inspect" "0833df3aaa519789d0a7013941c3fe95cc3bffff85c1c1eabfa11419688b2ec5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0833df3aaa519789d0a7013941c3fe95cc3bffff85c1c1eabfa11419688b2ec5", kill_on_drop: false }`
[INFO] [stdout] 0833df3aaa519789d0a7013941c3fe95cc3bffff85c1c1eabfa11419688b2ec5
[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 -Dtail-expr-drop-order" "-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 44a3f603861c7bbdc9844bc6baa3584a71e4d72c7726b6f96f5669708a194bf3
[INFO] running `Command { std: "docker" "start" "-a" "44a3f603861c7bbdc9844bc6baa3584a71e4d72c7726b6f96f5669708a194bf3", kill_on_drop: false }`
[INFO] [stderr] warning: virtual workspace defaulting to `resolver = "1"` despite one or more workspace members being on edition 2021 which implies `resolver = "2"`
[INFO] [stderr] note: to keep the current resolver, specify `workspace.resolver = "1"` in the workspace root's manifest
[INFO] [stderr] note: to use the edition 2021 resolver, specify `workspace.resolver = "2"` in the workspace root's manifest
[INFO] [stderr] note: for more details see https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions
[INFO] [stderr]    Compiling day_07 v0.1.0 (/opt/rustwide/workdir/day_07)
[INFO] [stderr]    Compiling day_02 v0.1.0 (/opt/rustwide/workdir/day_02)
[INFO] [stderr]    Compiling day_08 v0.1.0 (/opt/rustwide/workdir/day_08)
[INFO] [stderr]    Compiling day_10 v0.1.0 (/opt/rustwide/workdir/day_10)
[INFO] [stderr]    Compiling day_09 v0.1.0 (/opt/rustwide/workdir/day_09)
[INFO] [stderr]    Compiling day_13 v0.1.0 (/opt/rustwide/workdir/day_13)
[INFO] [stderr]    Compiling day_04 v0.1.0 (/opt/rustwide/workdir/day_04)
[INFO] [stderr]    Compiling day_06 v0.1.0 (/opt/rustwide/workdir/day_06)
[INFO] [stderr]    Compiling day_01 v0.1.0 (/opt/rustwide/workdir/day_01)
[INFO] [stderr]    Compiling day_03 v0.1.0 (/opt/rustwide/workdir/day_03)
[INFO] [stderr]    Compiling day_12 v0.1.0 (/opt/rustwide/workdir/day_12)
[INFO] [stderr]    Compiling day_11 v0.1.0 (/opt/rustwide/workdir/day_11)
[INFO] [stderr]    Compiling day_14 v0.1.0 (/opt/rustwide/workdir/day_14)
[INFO] [stderr]    Compiling day_15 v0.1.0 (/opt/rustwide/workdir/day_15)
[INFO] [stderr]    Compiling day_05 v0.1.0 (/opt/rustwide/workdir/day_05)
[INFO] [stderr]    Compiling day_17 v0.1.0 (/opt/rustwide/workdir/day_17)
[INFO] [stdout] warning: multiple fields are never read
[INFO] [stdout]    --> day_08/src/data.rs:143:9
[INFO] [stdout]     |
[INFO] [stdout] 142 | pub struct Solution {
[INFO] [stdout]     |            -------- fields in this struct
[INFO] [stdout] 143 |     pub a: Option<char>,
[INFO] [stdout]     |         ^
[INFO] [stdout] 144 |     pub b: Option<char>,
[INFO] [stdout]     |         ^
[INFO] [stdout] 145 |     pub c: Option<char>,
[INFO] [stdout]     |         ^
[INFO] [stdout] 146 |     pub d: Option<char>,
[INFO] [stdout]     |         ^
[INFO] [stdout] 147 |     pub e: Option<char>,
[INFO] [stdout]     |         ^
[INFO] [stdout] 148 |     pub f: Option<char>,
[INFO] [stdout]     |         ^
[INFO] [stdout] 149 |     pub g: Option<char>,
[INFO] [stdout]     |         ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Solution` 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: using `.clone()` on a double reference, which returns `&data::Coord` instead of cloning the inner type
[INFO] [stdout]   --> day_09/src/data.rs:46:41
[INFO] [stdout]    |
[INFO] [stdout] 46 |                     counted.insert(coord.clone());
[INFO] [stdout]    |                                         ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(suspicious_double_ref_op)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 3.66s
[INFO] running `Command { std: "docker" "inspect" "44a3f603861c7bbdc9844bc6baa3584a71e4d72c7726b6f96f5669708a194bf3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "44a3f603861c7bbdc9844bc6baa3584a71e4d72c7726b6f96f5669708a194bf3", kill_on_drop: false }`
[INFO] [stdout] 44a3f603861c7bbdc9844bc6baa3584a71e4d72c7726b6f96f5669708a194bf3