[INFO] updating cached repository https://github.com/asyncins/asciis
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] dc9d6dac0246b697345ce590fcc148cc1e269dbf
[INFO] checking asyncins/asciis against try#13f916f63bc6575d5ff1f989237dfabe88981368 for pr-69880
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fasyncins%2Fasciis" "/workspace/builds/worker-2/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] [stderr] Checking out files:  70% (167/236)   
Checking out files:  71% (168/236)   
Checking out files:  72% (170/236)   
Checking out files:  73% (173/236)   
Checking out files:  74% (175/236)   
Checking out files:  75% (177/236)   
Checking out files:  76% (180/236)   
Checking out files:  77% (182/236)   
Checking out files:  78% (185/236)   
Checking out files:  79% (187/236)   
Checking out files:  80% (189/236)   
Checking out files:  81% (192/236)   
Checking out files:  82% (194/236)   
Checking out files:  83% (196/236)   
Checking out files:  84% (199/236)   
Checking out files:  85% (201/236)   
Checking out files:  86% (203/236)   
Checking out files:  87% (206/236)   
Checking out files:  88% (208/236)   
Checking out files:  89% (211/236)   
Checking out files:  90% (213/236)   
Checking out files:  91% (215/236)   
Checking out files:  92% (218/236)   
Checking out files:  93% (220/236)   
Checking out files:  94% (222/236)   
Checking out files:  95% (225/236)   
Checking out files:  96% (227/236)   
Checking out files:  97% (229/236)   
Checking out files:  98% (232/236)   
Checking out files:  99% (234/236)   
Checking out files: 100% (236/236)   
Checking out files: 100% (236/236), done.
[INFO] validating manifest of git repo https://github.com/asyncins/asciis on toolchain 13f916f63bc6575d5ff1f989237dfabe88981368
[INFO] running `"/workspace/cargo-home/bin/cargo" "+13f916f63bc6575d5ff1f989237dfabe88981368" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/asyncins/asciis
[INFO] finished tweaking git repo https://github.com/asyncins/asciis
[INFO] tweaked toml for git repo https://github.com/asyncins/asciis written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/asyncins/asciis already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+13f916f63bc6575d5ff1f989237dfabe88981368" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+13f916f63bc6575d5ff1f989237dfabe88981368" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 5f97578aa4f6256831a3e9582ac0f98a219cd2eafabbb83e4307996f5e3067f4
[INFO] running `"docker" "start" "-a" "5f97578aa4f6256831a3e9582ac0f98a219cd2eafabbb83e4307996f5e3067f4"`
[INFO] [stderr]     Checking asciis v0.1.3 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unreachable statement
[INFO] [stderr]    --> src/asc.rs:151:17
[INFO] [stderr]     |
[INFO] [stderr] 150 |                 return Some(val.0.to_string());
[INFO] [stderr]     |                 ------------------------------ any code following this expression is unreachable
[INFO] [stderr] 151 |                 break;
[INFO] [stderr]     |                 ^^^^^^ unreachable statement
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unreachable_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `n`
[INFO] [stderr]    --> src/asc.rs:141:18
[INFO] [stderr]     |
[INFO] [stderr] 141 |             Some(n) => Some(*res.unwrap()),
[INFO] [stderr]     |                  ^ help: consider prefixing with an underscore: `_n`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `key`
[INFO] [stderr]    --> src/asc.rs:148:14
[INFO] [stderr]     |
[INFO] [stderr] 148 |         for (key, val) in hmp.iter().enumerate(){
[INFO] [stderr]     |              ^^^ help: consider prefixing with an underscore: `_key`
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable statement
[INFO] [stderr]    --> src/asc.rs:151:17
[INFO] [stderr]     |
[INFO] [stderr] 150 |                 return Some(val.0.to_string());
[INFO] [stderr]     |                 ------------------------------ any code following this expression is unreachable
[INFO] [stderr] 151 |                 break;
[INFO] [stderr]     |                 ^^^^^^ unreachable statement
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unreachable_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `n`
[INFO] [stderr]    --> src/asc.rs:141:18
[INFO] [stderr]     |
[INFO] [stderr] 141 |             Some(n) => Some(*res.unwrap()),
[INFO] [stderr]     |                  ^ help: consider prefixing with an underscore: `_n`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `key`
[INFO] [stderr]    --> src/asc.rs:148:14
[INFO] [stderr]     |
[INFO] [stderr] 148 |         for (key, val) in hmp.iter().enumerate(){
[INFO] [stderr]     |              ^^^ help: consider prefixing with an underscore: `_key`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.91s
[INFO] running `"docker" "inspect" "5f97578aa4f6256831a3e9582ac0f98a219cd2eafabbb83e4307996f5e3067f4"`
[INFO] running `"docker" "rm" "-f" "5f97578aa4f6256831a3e9582ac0f98a219cd2eafabbb83e4307996f5e3067f4"`
[INFO] [stdout] 5f97578aa4f6256831a3e9582ac0f98a219cd2eafabbb83e4307996f5e3067f4