[INFO] cloning repository https://github.com/heartyhardy/aoc2015
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/heartyhardy/aoc2015" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fheartyhardy%2Faoc2015", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fheartyhardy%2Faoc2015'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 177e3baa8a42188a7712c0a1446d7a5c0611711d
[INFO] testing heartyhardy/aoc2015 against 1.59.0 for beta-1.60-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fheartyhardy%2Faoc2015" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/heartyhardy/aoc2015 on toolchain 1.59.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/heartyhardy/aoc2015
[INFO] finished tweaking git repo https://github.com/heartyhardy/aoc2015
[INFO] tweaked toml for git repo https://github.com/heartyhardy/aoc2015 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/heartyhardy/aoc2015 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "metadata" "--no-deps" "--format-version=1", 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] 50c82f761e66aa7939df8319cc2fa68da4fb0315a1d7116adf5634cbb9451054
[INFO] running `Command { std: "docker" "start" "-a" "50c82f761e66aa7939df8319cc2fa68da4fb0315a1d7116adf5634cbb9451054", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "50c82f761e66aa7939df8319cc2fa68da4fb0315a1d7116adf5634cbb9451054", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "50c82f761e66aa7939df8319cc2fa68da4fb0315a1d7116adf5634cbb9451054", kill_on_drop: false }`
[INFO] [stdout] 50c82f761e66aa7939df8319cc2fa68da4fb0315a1d7116adf5634cbb9451054
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4a657af997edddedf3325044357af16fc22a82ca8134a5bcdc66552de64b1a8e
[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" "4a657af997edddedf3325044357af16fc22a82ca8134a5bcdc66552de64b1a8e", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.66
[INFO] [stderr]    Compiling ryu v1.0.2
[INFO] [stderr]    Compiling serde v1.0.104
[INFO] [stderr]    Compiling regex-syntax v0.6.13
[INFO] [stderr]    Compiling itoa v0.4.5
[INFO] [stderr]    Compiling md5 v0.7.0
[INFO] [stderr]    Compiling aho-corasick v0.7.6
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling colored v1.9.2
[INFO] [stderr]    Compiling regex v1.3.3
[INFO] [stderr]    Compiling serde_json v1.0.45
[INFO] [stderr]    Compiling aoc2015 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `k`
[INFO] [stdout]   --> src/day_07.rs:85:14
[INFO] [stdout]    |
[INFO] [stdout] 85 |         for (k,v) in cns.values().enumerate(){
[INFO] [stdout]    |              ^ help: if this is intentional, prefix it with an underscore: `_k`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> src/day_09.rs:56:9
[INFO] [stdout]    |
[INFO] [stdout] 56 |     for i in 0..MATRIX_SIZE{
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `l` is never read
[INFO] [stdout]   --> src/day_13.rs:29:18
[INFO] [stdout]    |
[INFO] [stdout] 29 |         let (mut l,mut r) = (0,0);
[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: value assigned to `r` is never read
[INFO] [stdout]   --> src/day_13.rs:29:24
[INFO] [stdout]    |
[INFO] [stdout] 29 |         let (mut l,mut r) = (0,0);
[INFO] [stdout]    |                        ^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `gph`
[INFO] [stdout]   --> src/day_20.rs:46:25
[INFO] [stdout]    |
[INFO] [stdout] 46 | fn gifts_away_unlimited(gph:i64){
[INFO] [stdout]    |                         ^^^ help: if this is intentional, prefix it with an underscore: `_gph`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `gph`
[INFO] [stdout]   --> src/day_20.rs:60:23
[INFO] [stdout]    |
[INFO] [stdout] 60 | fn gifts_away_limited(gph:i64){
[INFO] [stdout]    |                       ^^^ help: if this is intentional, prefix it with an underscore: `_gph`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `let_it_race_dep`
[INFO] [stdout]   --> src/day_14.rs:54:4
[INFO] [stdout]    |
[INFO] [stdout] 54 | fn let_it_race_dep(racers:Vec<Raindeer>,dt:i32)->(String, i32){
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `name`
[INFO] [stdout]  --> src/day_15.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 |     name:& 'a str,
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `id`
[INFO] [stdout]  --> src/day_16.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 |     id:i32,
[INFO] [stdout]   |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `key`
[INFO] [stdout]   --> src/day_21.rs:27:5
[INFO] [stdout]    |
[INFO] [stdout] 27 |     key: &'a str,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `key`
[INFO] [stdout]   --> src/day_21.rs:36:5
[INFO] [stdout]    |
[INFO] [stdout] 36 |     key: &'a str,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 11 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 28.15s
[INFO] running `Command { std: "docker" "inspect" "4a657af997edddedf3325044357af16fc22a82ca8134a5bcdc66552de64b1a8e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4a657af997edddedf3325044357af16fc22a82ca8134a5bcdc66552de64b1a8e", kill_on_drop: false }`
[INFO] [stdout] 4a657af997edddedf3325044357af16fc22a82ca8134a5bcdc66552de64b1a8e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "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] 5dd8559138d3324d77168f4bf4a5f14cd18ed11ca38a0dcb51d55268c48f3ef3
[INFO] running `Command { std: "docker" "start" "-a" "5dd8559138d3324d77168f4bf4a5f14cd18ed11ca38a0dcb51d55268c48f3ef3", kill_on_drop: false }`
[INFO] [stderr]    Compiling aoc2015 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `k`
[INFO] [stdout]   --> src/day_07.rs:85:14
[INFO] [stdout]    |
[INFO] [stdout] 85 |         for (k,v) in cns.values().enumerate(){
[INFO] [stdout]    |              ^ help: if this is intentional, prefix it with an underscore: `_k`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> src/day_09.rs:56:9
[INFO] [stdout]    |
[INFO] [stdout] 56 |     for i in 0..MATRIX_SIZE{
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `l` is never read
[INFO] [stdout]   --> src/day_13.rs:29:18
[INFO] [stdout]    |
[INFO] [stdout] 29 |         let (mut l,mut r) = (0,0);
[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: value assigned to `r` is never read
[INFO] [stdout]   --> src/day_13.rs:29:24
[INFO] [stdout]    |
[INFO] [stdout] 29 |         let (mut l,mut r) = (0,0);
[INFO] [stdout]    |                        ^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `gph`
[INFO] [stdout]   --> src/day_20.rs:46:25
[INFO] [stdout]    |
[INFO] [stdout] 46 | fn gifts_away_unlimited(gph:i64){
[INFO] [stdout]    |                         ^^^ help: if this is intentional, prefix it with an underscore: `_gph`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `gph`
[INFO] [stdout]   --> src/day_20.rs:60:23
[INFO] [stdout]    |
[INFO] [stdout] 60 | fn gifts_away_limited(gph:i64){
[INFO] [stdout]    |                       ^^^ help: if this is intentional, prefix it with an underscore: `_gph`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `let_it_race_dep`
[INFO] [stdout]   --> src/day_14.rs:54:4
[INFO] [stdout]    |
[INFO] [stdout] 54 | fn let_it_race_dep(racers:Vec<Raindeer>,dt:i32)->(String, i32){
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `name`
[INFO] [stdout]  --> src/day_15.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 |     name:& 'a str,
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `id`
[INFO] [stdout]  --> src/day_16.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 |     id:i32,
[INFO] [stdout]   |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `key`
[INFO] [stdout]   --> src/day_21.rs:27:5
[INFO] [stdout]    |
[INFO] [stdout] 27 |     key: &'a str,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `key`
[INFO] [stdout]   --> src/day_21.rs:36:5
[INFO] [stdout]    |
[INFO] [stdout] 36 |     key: &'a str,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 11 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.39s
[INFO] running `Command { std: "docker" "inspect" "5dd8559138d3324d77168f4bf4a5f14cd18ed11ca38a0dcb51d55268c48f3ef3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5dd8559138d3324d77168f4bf4a5f14cd18ed11ca38a0dcb51d55268c48f3ef3", kill_on_drop: false }`
[INFO] [stdout] 5dd8559138d3324d77168f4bf4a5f14cd18ed11ca38a0dcb51d55268c48f3ef3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] f58409cc95289a043a9df7a365345170487b9471b30567d64db0d97fcac26a18
[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" "f58409cc95289a043a9df7a365345170487b9471b30567d64db0d97fcac26a18", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `k`
[INFO] [stderr]   --> src/day_07.rs:85:14
[INFO] [stderr]    |
[INFO] [stderr] 85 |         for (k,v) in cns.values().enumerate(){
[INFO] [stderr]    |              ^ help: if this is intentional, prefix it with an underscore: `_k`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `i`
[INFO] [stderr]   --> src/day_09.rs:56:9
[INFO] [stderr]    |
[INFO] [stderr] 56 |     for i in 0..MATRIX_SIZE{
[INFO] [stderr]    |         ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `l` is never read
[INFO] [stderr]   --> src/day_13.rs:29:18
[INFO] [stderr]    |
[INFO] [stderr] 29 |         let (mut l,mut r) = (0,0);
[INFO] [stderr]    |                  ^
[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: value assigned to `r` is never read
[INFO] [stderr]   --> src/day_13.rs:29:24
[INFO] [stderr]    |
[INFO] [stderr] 29 |         let (mut l,mut r) = (0,0);
[INFO] [stderr]    |                        ^
[INFO] [stderr]    |
[INFO] [stderr]    = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `gph`
[INFO] [stderr]   --> src/day_20.rs:46:25
[INFO] [stderr]    |
[INFO] [stderr] 46 | fn gifts_away_unlimited(gph:i64){
[INFO] [stderr]    |                         ^^^ help: if this is intentional, prefix it with an underscore: `_gph`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `gph`
[INFO] [stderr]   --> src/day_20.rs:60:23
[INFO] [stderr]    |
[INFO] [stderr] 60 | fn gifts_away_limited(gph:i64){
[INFO] [stderr]    |                       ^^^ help: if this is intentional, prefix it with an underscore: `_gph`
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `let_it_race_dep`
[INFO] [stderr]   --> src/day_14.rs:54:4
[INFO] [stderr]    |
[INFO] [stderr] 54 | fn let_it_race_dep(racers:Vec<Raindeer>,dt:i32)->(String, i32){
[INFO] [stderr]    |    ^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `name`
[INFO] [stderr]  --> src/day_15.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 |     name:& 'a str,
[INFO] [stderr]   |     ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `id`
[INFO] [stderr]  --> src/day_16.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 |     id:i32,
[INFO] [stderr]   |     ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `key`
[INFO] [stderr]   --> src/day_21.rs:27:5
[INFO] [stderr]    |
[INFO] [stderr] 27 |     key: &'a str,
[INFO] [stderr]    |     ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `key`
[INFO] [stderr]   --> src/day_21.rs:36:5
[INFO] [stderr]    |
[INFO] [stderr] 36 |     key: &'a str,
[INFO] [stderr]    |     ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `aoc2015` (bin "aoc2015" test) generated 11 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/aoc2015-fb0645c17a95ff6b)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "f58409cc95289a043a9df7a365345170487b9471b30567d64db0d97fcac26a18", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f58409cc95289a043a9df7a365345170487b9471b30567d64db0d97fcac26a18", kill_on_drop: false }`
[INFO] [stdout] f58409cc95289a043a9df7a365345170487b9471b30567d64db0d97fcac26a18