[INFO] cloning repository https://github.com/Dfoerch/AOC2021
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Dfoerch/AOC2021" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDfoerch%2FAOC2021", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDfoerch%2FAOC2021'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 449f75746a60316149584d74187ab56a58785161
[INFO] building Dfoerch/AOC2021 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%2FDfoerch%2FAOC2021" "/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/Dfoerch/AOC2021 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/Dfoerch/AOC2021
[INFO] finished tweaking git repo https://github.com/Dfoerch/AOC2021
[INFO] tweaked toml for git repo https://github.com/Dfoerch/AOC2021 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/Dfoerch/AOC2021 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] 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] 1dbfc5cc53d1ee6809a496d685a535f964a80ae84cd7a1aebfee8ebe77dec2f6
[INFO] running `Command { std: "docker" "start" "-a" "1dbfc5cc53d1ee6809a496d685a535f964a80ae84cd7a1aebfee8ebe77dec2f6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1dbfc5cc53d1ee6809a496d685a535f964a80ae84cd7a1aebfee8ebe77dec2f6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1dbfc5cc53d1ee6809a496d685a535f964a80ae84cd7a1aebfee8ebe77dec2f6", kill_on_drop: false }`
[INFO] [stdout] 1dbfc5cc53d1ee6809a496d685a535f964a80ae84cd7a1aebfee8ebe77dec2f6
[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] 5a4e1382a373d133bb13418495f12ba802529bd815498e5913790584a1fe5623
[INFO] running `Command { std: "docker" "start" "-a" "5a4e1382a373d133bb13418495f12ba802529bd815498e5913790584a1fe5623", kill_on_drop: false }`
[INFO] [stderr]    Compiling itertools v0.10.1
[INFO] [stderr]    Compiling aoc2021 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: value assigned to `ones` is never read
[INFO] [stdout]  --> src/days/day3.rs:6:13
[INFO] [stdout]   |
[INFO] [stdout] 6 |     let mut ones = 0;
[INFO] [stdout]   |             ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = help: maybe it is overwritten before being read?
[INFO] [stdout]   = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `zero` is never read
[INFO] [stdout]  --> src/days/day3.rs:7:13
[INFO] [stdout]   |
[INFO] [stdout] 7 |     let mut zero = 0;
[INFO] [stdout]   |             ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `part1` is never used
[INFO] [stdout]  --> src/days/day1.rs:4:8
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub fn part1() -> usize {
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `part2` is never used
[INFO] [stdout]   --> src/days/day1.rs:15:8
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub fn part2() -> usize {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `part1` is never used
[INFO] [stdout]  --> src/days/day2.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn part1() -> i32{
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `part2` is never used
[INFO] [stdout]   --> src/days/day2.rs:29:8
[INFO] [stdout]    |
[INFO] [stdout] 29 | pub fn part2() -> i32{
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.07s
[INFO] running `Command { std: "docker" "inspect" "5a4e1382a373d133bb13418495f12ba802529bd815498e5913790584a1fe5623", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5a4e1382a373d133bb13418495f12ba802529bd815498e5913790584a1fe5623", kill_on_drop: false }`
[INFO] [stdout] 5a4e1382a373d133bb13418495f12ba802529bd815498e5913790584a1fe5623
[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] ace5d80a6f03398e3086b9ceba7ac68879ee54236210d404d4e415683efed40e
[INFO] running `Command { std: "docker" "start" "-a" "ace5d80a6f03398e3086b9ceba7ac68879ee54236210d404d4e415683efed40e", kill_on_drop: false }`
[INFO] [stderr]    Compiling aoc2021 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: value assigned to `ones` is never read
[INFO] [stdout]  --> src/days/day3.rs:6:13
[INFO] [stdout]   |
[INFO] [stdout] 6 |     let mut ones = 0;
[INFO] [stdout]   |             ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = help: maybe it is overwritten before being read?
[INFO] [stdout]   = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `zero` is never read
[INFO] [stdout]  --> src/days/day3.rs:7:13
[INFO] [stdout]   |
[INFO] [stdout] 7 |     let mut zero = 0;
[INFO] [stdout]   |             ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `part1` is never used
[INFO] [stdout]  --> src/days/day1.rs:4:8
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub fn part1() -> usize {
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `part2` is never used
[INFO] [stdout]   --> src/days/day1.rs:15:8
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub fn part2() -> usize {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `part1` is never used
[INFO] [stdout]  --> src/days/day2.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn part1() -> i32{
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `part2` is never used
[INFO] [stdout]   --> src/days/day2.rs:29:8
[INFO] [stdout]    |
[INFO] [stdout] 29 | pub fn part2() -> i32{
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.14s
[INFO] running `Command { std: "docker" "inspect" "ace5d80a6f03398e3086b9ceba7ac68879ee54236210d404d4e415683efed40e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ace5d80a6f03398e3086b9ceba7ac68879ee54236210d404d4e415683efed40e", kill_on_drop: false }`
[INFO] [stdout] ace5d80a6f03398e3086b9ceba7ac68879ee54236210d404d4e415683efed40e