[INFO] cloning repository https://github.com/balzanelli/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/balzanelli/advent-of-code-2021" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbalzanelli%2Fadvent-of-code-2021", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbalzanelli%2Fadvent-of-code-2021'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 47cdd89c9c1a86a4eb622230768fd82b3823c15f
[INFO] building balzanelli/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%2Fbalzanelli%2Fadvent-of-code-2021" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/balzanelli/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/balzanelli/advent-of-code-2021
[INFO] finished tweaking git repo https://github.com/balzanelli/advent-of-code-2021
[INFO] tweaked toml for git repo https://github.com/balzanelli/advent-of-code-2021 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/balzanelli/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-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 063289d8fb9adeffb51409776c2984307b9c55be880a2c0f360d0958b3f317b9
[INFO] running `Command { std: "docker" "start" "-a" "063289d8fb9adeffb51409776c2984307b9c55be880a2c0f360d0958b3f317b9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "063289d8fb9adeffb51409776c2984307b9c55be880a2c0f360d0958b3f317b9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "063289d8fb9adeffb51409776c2984307b9c55be880a2c0f360d0958b3f317b9", kill_on_drop: false }`
[INFO] [stdout] 063289d8fb9adeffb51409776c2984307b9c55be880a2c0f360d0958b3f317b9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 2a38c8e671276f5fe8e77c652484ce0f37d2f490dcb24348b6c01b2e0f34e491
[INFO] running `Command { std: "docker" "start" "-a" "2a38c8e671276f5fe8e77c652484ce0f37d2f490dcb24348b6c01b2e0f34e491", 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 num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling num-bigint v0.4.3
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]    Compiling num-rational v0.4.0
[INFO] [stderr]    Compiling maplit v1.0.2
[INFO] [stderr]    Compiling day6 v0.1.0 (/opt/rustwide/workdir/day6)
[INFO] [stderr]    Compiling day9 v0.1.0 (/opt/rustwide/workdir/day9)
[INFO] [stderr]    Compiling day7 v0.1.0 (/opt/rustwide/workdir/day7)
[INFO] [stderr]    Compiling day1 v0.1.0 (/opt/rustwide/workdir/day1)
[INFO] [stderr]    Compiling day2 v0.1.0 (/opt/rustwide/workdir/day2)
[INFO] [stderr]    Compiling itertools v0.10.1
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]  --> day7/src/part1.rs:2:9
[INFO] [stdout]   |
[INFO] [stdout] 2 |     let mut crabs = input
[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]  --> day7/src/part2.rs:2:9
[INFO] [stdout]   |
[INFO] [stdout] 2 |     let mut crabs = input
[INFO] [stdout]   |         ----^^^^^
[INFO] [stdout]   |         |
[INFO] [stdout]   |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling day10 v0.1.0 (/opt/rustwide/workdir/day10)
[INFO] [stderr]    Compiling num-complex v0.4.0
[INFO] [stderr]    Compiling day8 v0.1.0 (/opt/rustwide/workdir/day8)
[INFO] [stdout] warning: field `signals` is never read
[INFO] [stdout]  --> day8/src/part1.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | struct Reading {
[INFO] [stdout]   |        ------- field in this struct
[INFO] [stdout] 6 |     signals: Vec<String>,
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling num v0.4.0
[INFO] [stderr]    Compiling day5 v0.1.0 (/opt/rustwide/workdir/day5)
[INFO] [stdout] warning: method `distance` is never used
[INFO] [stdout]   --> day5/src/point.rs:15:12
[INFO] [stdout]    |
[INFO] [stdout] 10 | impl Point {
[INFO] [stdout]    | ---------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 15 |     pub fn distance(&self, other: &Point) -> (i32, i32) {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.92s
[INFO] running `Command { std: "docker" "inspect" "2a38c8e671276f5fe8e77c652484ce0f37d2f490dcb24348b6c01b2e0f34e491", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2a38c8e671276f5fe8e77c652484ce0f37d2f490dcb24348b6c01b2e0f34e491", kill_on_drop: false }`
[INFO] [stdout] 2a38c8e671276f5fe8e77c652484ce0f37d2f490dcb24348b6c01b2e0f34e491
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 2801899634a08c002844081a98f0335252d63b6de33241398742048d109eece5
[INFO] running `Command { std: "docker" "start" "-a" "2801899634a08c002844081a98f0335252d63b6de33241398742048d109eece5", 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 day2 v0.1.0 (/opt/rustwide/workdir/day2)
[INFO] [stderr]    Compiling day1 v0.1.0 (/opt/rustwide/workdir/day1)
[INFO] [stderr]    Compiling day9 v0.1.0 (/opt/rustwide/workdir/day9)
[INFO] [stderr]    Compiling day7 v0.1.0 (/opt/rustwide/workdir/day7)
[INFO] [stderr]    Compiling day6 v0.1.0 (/opt/rustwide/workdir/day6)
[INFO] [stderr]    Compiling day10 v0.1.0 (/opt/rustwide/workdir/day10)
[INFO] [stderr]    Compiling day8 v0.1.0 (/opt/rustwide/workdir/day8)
[INFO] [stderr]    Compiling day5 v0.1.0 (/opt/rustwide/workdir/day5)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]  --> day7/src/part1.rs:2:9
[INFO] [stdout]   |
[INFO] [stdout] 2 |     let mut crabs = input
[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]  --> day7/src/part2.rs:2:9
[INFO] [stdout]   |
[INFO] [stdout] 2 |     let mut crabs = input
[INFO] [stdout]   |         ----^^^^^
[INFO] [stdout]   |         |
[INFO] [stdout]   |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `signals` is never read
[INFO] [stdout]  --> day8/src/part1.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | struct Reading {
[INFO] [stdout]   |        ------- field in this struct
[INFO] [stdout] 6 |     signals: Vec<String>,
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `distance` is never used
[INFO] [stdout]   --> day5/src/point.rs:15:12
[INFO] [stdout]    |
[INFO] [stdout] 10 | impl Point {
[INFO] [stdout]    | ---------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 15 |     pub fn distance(&self, other: &Point) -> (i32, i32) {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.49s
[INFO] running `Command { std: "docker" "inspect" "2801899634a08c002844081a98f0335252d63b6de33241398742048d109eece5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2801899634a08c002844081a98f0335252d63b6de33241398742048d109eece5", kill_on_drop: false }`
[INFO] [stdout] 2801899634a08c002844081a98f0335252d63b6de33241398742048d109eece5