[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] testing groundwalkertw/aoc against 1.60.0 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgroundwalkertw%2Faoc" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/groundwalkertw/aoc on toolchain 1.60.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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-6/source/Cargo.toml
[INFO] crate git repo https://github.com/groundwalkertw/aoc already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 92ddfa30fd1dfae3f67d9545ab1fcd5d0dee32f799e489e19828bf366a9425ac
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "92ddfa30fd1dfae3f67d9545ab1fcd5d0dee32f799e489e19828bf366a9425ac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "92ddfa30fd1dfae3f67d9545ab1fcd5d0dee32f799e489e19828bf366a9425ac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "92ddfa30fd1dfae3f67d9545ab1fcd5d0dee32f799e489e19828bf366a9425ac", kill_on_drop: false }`
[INFO] [stdout] 92ddfa30fd1dfae3f67d9545ab1fcd5d0dee32f799e489e19828bf366a9425ac
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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=warn" "-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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a6b0920fd020822c5077ccce94e36da3b2caabd4f261d4de4b091b0f5ca732df
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "a6b0920fd020822c5077ccce94e36da3b2caabd4f261d4de4b091b0f5ca732df", kill_on_drop: false }`
[INFO] [stderr]    Compiling 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]     = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `task1`
[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 is never used: `task2`
[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 is never used: `task1`
[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 is never used: `task2`
[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 is never used: `task1`
[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 is never used: `WhichMore`
[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 is never used: `which_is_more`
[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 is never used: `task2`
[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 is never used: `task1`
[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: 10 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.52s
[INFO] running `Command { std: "docker" "inspect" "a6b0920fd020822c5077ccce94e36da3b2caabd4f261d4de4b091b0f5ca732df", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a6b0920fd020822c5077ccce94e36da3b2caabd4f261d4de4b091b0f5ca732df", kill_on_drop: false }`
[INFO] [stdout] a6b0920fd020822c5077ccce94e36da3b2caabd4f261d4de4b091b0f5ca732df
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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=warn" "-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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 2abe8d8d01e4a1cf720e76e8796ae1d2960f62d657ccfa0e36b88472bee64bd0
[INFO] running `Command { std: "docker" "start" "-a" "2abe8d8d01e4a1cf720e76e8796ae1d2960f62d657ccfa0e36b88472bee64bd0", kill_on_drop: false }`
[INFO] [stderr]    Compiling 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]     = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `task1`
[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 is never used: `task2`
[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 is never used: `task1`
[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 is never used: `task2`
[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 is never used: `task1`
[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 is never used: `WhichMore`
[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 is never used: `which_is_more`
[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 is never used: `task2`
[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 is never used: `task1`
[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: 10 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.05s
[INFO] running `Command { std: "docker" "inspect" "2abe8d8d01e4a1cf720e76e8796ae1d2960f62d657ccfa0e36b88472bee64bd0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2abe8d8d01e4a1cf720e76e8796ae1d2960f62d657ccfa0e36b88472bee64bd0", kill_on_drop: false }`
[INFO] [stdout] 2abe8d8d01e4a1cf720e76e8796ae1d2960f62d657ccfa0e36b88472bee64bd0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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=warn" "-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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 828500fdc3cd79c265a930e269c1f9ce9c82dbd6b89304d12bde3392abd5c21e
[INFO] running `Command { std: "docker" "start" "-a" "828500fdc3cd79c265a930e269c1f9ce9c82dbd6b89304d12bde3392abd5c21e", kill_on_drop: false }`
[INFO] [stderr] warning: value assigned to `sum` is never read
[INFO] [stdout] 
[INFO] [stderr]    --> src/day4/mod.rs:136:13
[INFO] [stdout] running 0 tests
[INFO] [stderr]     |
[INFO] [stdout] 
[INFO] [stderr] 136 |     let mut sum= 0;
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr]     |             ^^^
[INFO] [stdout] 
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_assignments)]` on by default
[INFO] [stderr]     = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `task1`
[INFO] [stderr]  --> src/day1/mod.rs:3:8
[INFO] [stderr]   |
[INFO] [stderr] 3 | pub fn task1() {
[INFO] [stderr]   |        ^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `task2`
[INFO] [stderr]   --> src/day1/mod.rs:20:8
[INFO] [stderr]    |
[INFO] [stderr] 20 | pub fn task2() {
[INFO] [stderr]    |        ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `task1`
[INFO] [stderr]  --> src/day2/mod.rs:3:8
[INFO] [stderr]   |
[INFO] [stderr] 3 | pub fn task1() {
[INFO] [stderr]   |        ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `task2`
[INFO] [stderr]   --> src/day2/mod.rs:26:8
[INFO] [stderr]    |
[INFO] [stderr] 26 | pub fn task2() {
[INFO] [stderr]    |        ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `task1`
[INFO] [stderr]  --> src/day3/mod.rs:3:8
[INFO] [stderr]   |
[INFO] [stderr] 3 | pub fn task1() {
[INFO] [stderr]   |        ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: enum is never used: `WhichMore`
[INFO] [stderr]   --> src/day3/mod.rs:33:6
[INFO] [stderr]    |
[INFO] [stderr] 33 | enum WhichMore {
[INFO] [stderr]    |      ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `which_is_more`
[INFO] [stderr]   --> src/day3/mod.rs:39:4
[INFO] [stderr]    |
[INFO] [stderr] 39 | fn which_is_more(i: usize, set: &Vec<&Vec<u8>>) -> WhichMore {
[INFO] [stderr]    |    ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `task2`
[INFO] [stderr]   --> src/day3/mod.rs:57:8
[INFO] [stderr]    |
[INFO] [stderr] 57 | pub fn task2() {
[INFO] [stderr]    |        ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `task1`
[INFO] [stderr]   --> src/day4/mod.rs:60:8
[INFO] [stderr]    |
[INFO] [stderr] 60 | pub fn task1() {
[INFO] [stderr]    |        ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `aoc` (bin "aoc" test) generated 10 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/aoc-33e008ee75c5e690)
[INFO] running `Command { std: "docker" "inspect" "828500fdc3cd79c265a930e269c1f9ce9c82dbd6b89304d12bde3392abd5c21e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "828500fdc3cd79c265a930e269c1f9ce9c82dbd6b89304d12bde3392abd5c21e", kill_on_drop: false }`
[INFO] [stdout] 828500fdc3cd79c265a930e269c1f9ce9c82dbd6b89304d12bde3392abd5c21e