[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] checking heartyhardy/aoc2015 against try#f47dd4da3ae8c32c9e65d307bfe640b143e674df for pr-77526
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fheartyhardy%2Faoc2015" "/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/heartyhardy/aoc2015 on toolchain f47dd4da3ae8c32c9e65d307bfe640b143e674df
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "read-manifest" "--manifest-path" "Cargo.toml", 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-6/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" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "fetch" "--locked" "--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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 62dbf4d2a2c0dc55632cab58e52b6b82248c9d8118a4418a237001f56a50c09c
[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" "62dbf4d2a2c0dc55632cab58e52b6b82248c9d8118a4418a237001f56a50c09c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "62dbf4d2a2c0dc55632cab58e52b6b82248c9d8118a4418a237001f56a50c09c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "62dbf4d2a2c0dc55632cab58e52b6b82248c9d8118a4418a237001f56a50c09c", kill_on_drop: false }`
[INFO] [stdout] 62dbf4d2a2c0dc55632cab58e52b6b82248c9d8118a4418a237001f56a50c09c
[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=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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4bfd17b41d5549578313d17614a860810899b2fd6fe17ffc52211571a82fc40c
[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" "4bfd17b41d5549578313d17614a860810899b2fd6fe17ffc52211571a82fc40c", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.66
[INFO] [stderr]    Compiling serde v1.0.104
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling ryu v1.0.2
[INFO] [stderr]     Checking itoa v0.4.5
[INFO] [stderr]     Checking md5 v0.7.0
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]     Checking regex v1.3.3
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking colored v1.9.2
[INFO] [stderr]     Checking serde_json v1.0.45
[INFO] [stderr]     Checking 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:29:14
[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:29:20
[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: 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:29:14
[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:29:20
[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: 7 warnings emitted
[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: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 11.00s
[INFO] running `Command { std: "docker" "inspect" "4bfd17b41d5549578313d17614a860810899b2fd6fe17ffc52211571a82fc40c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4bfd17b41d5549578313d17614a860810899b2fd6fe17ffc52211571a82fc40c", kill_on_drop: false }`
[INFO] [stdout] 4bfd17b41d5549578313d17614a860810899b2fd6fe17ffc52211571a82fc40c