[INFO] fetching crate asciis 0.1.3...
[INFO] checking asciis-0.1.3 against master#f5f33ec0e0455eefa72fc5567eb1280a4d5ee206 for pr-83312
[INFO] extracting crate asciis 0.1.3 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate asciis 0.1.3 on toolchain f5f33ec0e0455eefa72fc5567eb1280a4d5ee206
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f5f33ec0e0455eefa72fc5567eb1280a4d5ee206" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate asciis 0.1.3
[INFO] finished tweaking crates.io crate asciis 0.1.3
[INFO] tweaked toml for crates.io crate asciis 0.1.3 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f5f33ec0e0455eefa72fc5567eb1280a4d5ee206" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f5f33ec0e0455eefa72fc5567eb1280a4d5ee206" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+f5f33ec0e0455eefa72fc5567eb1280a4d5ee206" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 83a1b92513fe7b159b7ef8d0654221f0fb15d1376215da1a275c433c900ed09f
[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" "83a1b92513fe7b159b7ef8d0654221f0fb15d1376215da1a275c433c900ed09f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "83a1b92513fe7b159b7ef8d0654221f0fb15d1376215da1a275c433c900ed09f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "83a1b92513fe7b159b7ef8d0654221f0fb15d1376215da1a275c433c900ed09f", kill_on_drop: false }`
[INFO] [stdout] 83a1b92513fe7b159b7ef8d0654221f0fb15d1376215da1a275c433c900ed09f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+f5f33ec0e0455eefa72fc5567eb1280a4d5ee206" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 85b66ed9ace24b14dc99eee382a1017e0b35004044983346ce89b141976f6edf
[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" "85b66ed9ace24b14dc99eee382a1017e0b35004044983346ce89b141976f6edf", kill_on_drop: false }`
[INFO] [stderr]     Checking asciis v0.1.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unreachable statement
[INFO] [stdout]    --> src/asc.rs:151:17
[INFO] [stdout]     |
[INFO] [stdout] 150 |                 return Some(val.0.to_string());
[INFO] [stdout]     |                 ------------------------------ any code following this expression is unreachable
[INFO] [stdout] 151 |                 break;
[INFO] [stdout]     |                 ^^^^^^ unreachable statement
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `n`
[INFO] [stdout]    --> src/asc.rs:141:18
[INFO] [stdout]     |
[INFO] [stdout] 141 |             Some(n) => Some(*res.unwrap()),
[INFO] [stdout]     |                  ^ help: if this is intentional, prefix it with an underscore: `_n`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `key`
[INFO] [stdout]    --> src/asc.rs:148:14
[INFO] [stdout]     |
[INFO] [stdout] 148 |         for (key, val) in hmp.iter().enumerate(){
[INFO] [stdout]     |              ^^^ help: if this is intentional, prefix it with an underscore: `_key`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable statement
[INFO] [stdout]    --> src/asc.rs:151:17
[INFO] [stdout]     |
[INFO] [stdout] 150 |                 return Some(val.0.to_string());
[INFO] [stdout]     |                 ------------------------------ any code following this expression is unreachable
[INFO] [stdout] 151 |                 break;
[INFO] [stdout]     |                 ^^^^^^ unreachable statement
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `n`
[INFO] [stdout]    --> src/asc.rs:141:18
[INFO] [stdout]     |
[INFO] [stdout] 141 |             Some(n) => Some(*res.unwrap()),
[INFO] [stdout]     |                  ^ help: if this is intentional, prefix it with an underscore: `_n`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `key`
[INFO] [stdout]    --> src/asc.rs:148:14
[INFO] [stdout]     |
[INFO] [stdout] 148 |         for (key, val) in hmp.iter().enumerate(){
[INFO] [stdout]     |              ^^^ help: if this is intentional, prefix it with an underscore: `_key`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.12s
[INFO] running `Command { std: "docker" "inspect" "85b66ed9ace24b14dc99eee382a1017e0b35004044983346ce89b141976f6edf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "85b66ed9ace24b14dc99eee382a1017e0b35004044983346ce89b141976f6edf", kill_on_drop: false }`
[INFO] [stdout] 85b66ed9ace24b14dc99eee382a1017e0b35004044983346ce89b141976f6edf