[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#e6563ac70cbfd3196492061900e9e9793e065e4d for pr-69410
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fasyncins%2Fasciis" "/workspace/builds/worker-1/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
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[INFO] validating manifest of git repo https://github.com/asyncins/asciis on toolchain e6563ac70cbfd3196492061900e9e9793e065e4d
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e6563ac70cbfd3196492061900e9e9793e065e4d" "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-1/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" "+e6563ac70cbfd3196492061900e9e9793e065e4d" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+e6563ac70cbfd3196492061900e9e9793e065e4d" "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] de5b25818f7c4b8616661f9f0a8afa4f4a9c88a519703809ee76d956cdaf46bb
[INFO] running `"docker" "start" "-a" "de5b25818f7c4b8616661f9f0a8afa4f4a9c88a519703809ee76d956cdaf46bb"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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 0.70s
[INFO] running `"docker" "inspect" "de5b25818f7c4b8616661f9f0a8afa4f4a9c88a519703809ee76d956cdaf46bb"`
[INFO] running `"docker" "rm" "-f" "de5b25818f7c4b8616661f9f0a8afa4f4a9c88a519703809ee76d956cdaf46bb"`
[INFO] [stdout] de5b25818f7c4b8616661f9f0a8afa4f4a9c88a519703809ee76d956cdaf46bb