[INFO] cloning repository https://github.com/groundwalkertw/aoc
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/groundwalkertw/aoc" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgroundwalkertw%2Faoc", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgroundwalkertw%2Faoc'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 59d75006fe0178fcb3862fcee10bf8b0e4352792
[INFO] checking groundwalkertw/aoc against master#cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c for pr-143170
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgroundwalkertw%2Faoc" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/groundwalkertw/aoc
[INFO] finished tweaking git repo https://github.com/groundwalkertw/aoc
[INFO] tweaked toml for git repo https://github.com/groundwalkertw/aoc written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/groundwalkertw/aoc on toolchain cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/groundwalkertw/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" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 48aaae96eb8aa021c361aea8fae43bf0480574cf7620ba7de23f7413e13c271b
[INFO] running `Command { std: "docker" "start" "-a" "48aaae96eb8aa021c361aea8fae43bf0480574cf7620ba7de23f7413e13c271b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "48aaae96eb8aa021c361aea8fae43bf0480574cf7620ba7de23f7413e13c271b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "48aaae96eb8aa021c361aea8fae43bf0480574cf7620ba7de23f7413e13c271b", kill_on_drop: false }`
[INFO] [stdout] 48aaae96eb8aa021c361aea8fae43bf0480574cf7620ba7de23f7413e13c271b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 525aa615185e4ab0b57ec2b18fbc815b1890147957e5bbf2cad2365622eb5f71
[INFO] running `Command { std: "docker" "start" "-a" "525aa615185e4ab0b57ec2b18fbc815b1890147957e5bbf2cad2365622eb5f71", kill_on_drop: false }`
[INFO] [stderr]     Checking aoc v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: value assigned to `sum` is never read
[INFO] [stdout]    --> src/day4/mod.rs:136:13
[INFO] [stdout]     |
[INFO] [stdout] 136 |     let mut sum= 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: function `task1` is never used
[INFO] [stdout]  --> src/day1/mod.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub fn task1() {
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `task2` is never used
[INFO] [stdout]   --> src/day1/mod.rs:20:8
[INFO] [stdout]    |
[INFO] [stdout] 20 | pub fn task2() {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `task1` is never used
[INFO] [stdout]  --> src/day2/mod.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub fn task1() {
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `task2` is never used
[INFO] [stdout]   --> src/day2/mod.rs:26:8
[INFO] [stdout]    |
[INFO] [stdout] 26 | pub fn task2() {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `task1` is never used
[INFO] [stdout]  --> src/day3/mod.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub fn task1() {
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `WhichMore` is never used
[INFO] [stdout]   --> src/day3/mod.rs:33:6
[INFO] [stdout]    |
[INFO] [stdout] 33 | enum WhichMore {
[INFO] [stdout]    |      ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `which_is_more` is never used
[INFO] [stdout]   --> src/day3/mod.rs:39:4
[INFO] [stdout]    |
[INFO] [stdout] 39 | fn which_is_more(i: usize, set: &Vec<&Vec<u8>>) -> WhichMore {
[INFO] [stdout]    |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `task2` is never used
[INFO] [stdout]   --> src/day3/mod.rs:57:8
[INFO] [stdout]    |
[INFO] [stdout] 57 | pub fn task2() {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `task1` is never used
[INFO] [stdout]   --> src/day4/mod.rs:60:8
[INFO] [stdout]    |
[INFO] [stdout] 60 | pub fn task1() {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `sum` is never read
[INFO] [stdout]    --> src/day4/mod.rs:136:13
[INFO] [stdout]     |
[INFO] [stdout] 136 |     let mut sum= 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: function `task1` is never used
[INFO] [stdout]  --> src/day1/mod.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub fn task1() {
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `task2` is never used
[INFO] [stdout]   --> src/day1/mod.rs:20:8
[INFO] [stdout]    |
[INFO] [stdout] 20 | pub fn task2() {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `task1` is never used
[INFO] [stdout]  --> src/day2/mod.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub fn task1() {
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `task2` is never used
[INFO] [stdout]   --> src/day2/mod.rs:26:8
[INFO] [stdout]    |
[INFO] [stdout] 26 | pub fn task2() {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `task1` is never used
[INFO] [stdout]  --> src/day3/mod.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub fn task1() {
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `WhichMore` is never used
[INFO] [stdout]   --> src/day3/mod.rs:33:6
[INFO] [stdout]    |
[INFO] [stdout] 33 | enum WhichMore {
[INFO] [stdout]    |      ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `which_is_more` is never used
[INFO] [stdout]   --> src/day3/mod.rs:39:4
[INFO] [stdout]    |
[INFO] [stdout] 39 | fn which_is_more(i: usize, set: &Vec<&Vec<u8>>) -> WhichMore {
[INFO] [stdout]    |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `task2` is never used
[INFO] [stdout]   --> src/day3/mod.rs:57:8
[INFO] [stdout]    |
[INFO] [stdout] 57 | pub fn task2() {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `task1` is never used
[INFO] [stdout]   --> src/day4/mod.rs:60:8
[INFO] [stdout]    |
[INFO] [stdout] 60 | pub fn task1() {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.23s
[INFO] running `Command { std: "docker" "inspect" "525aa615185e4ab0b57ec2b18fbc815b1890147957e5bbf2cad2365622eb5f71", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "525aa615185e4ab0b57ec2b18fbc815b1890147957e5bbf2cad2365622eb5f71", kill_on_drop: false }`
[INFO] [stdout] 525aa615185e4ab0b57ec2b18fbc815b1890147957e5bbf2cad2365622eb5f71