[INFO] cloning repository https://github.com/asyncins/asciis
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/asyncins/asciis" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fasyncins%2Fasciis", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fasyncins%2Fasciis'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] dc9d6dac0246b697345ce590fcc148cc1e269dbf
[INFO] checking asyncins/asciis against master#3aedcf06b73fc36feeebca3d579e1d2a6c40acc5 for pr-65819
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fasyncins%2Fasciis" "/workspace/builds/worker-11/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-11/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/asyncins/asciis on toolchain 3aedcf06b73fc36feeebca3d579e1d2a6c40acc5
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3aedcf06b73fc36feeebca3d579e1d2a6c40acc5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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-11/source/Cargo.toml
[INFO] crate git repo https://github.com/asyncins/asciis already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3aedcf06b73fc36feeebca3d579e1d2a6c40acc5" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/opt/rustwide/cargo-home/bin/cargo" "+3aedcf06b73fc36feeebca3d579e1d2a6c40acc5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0d215d59f9c7e31f05cd2fd39de2f4ded3301405efbd1d34da6c9d39a9544748
[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" "0d215d59f9c7e31f05cd2fd39de2f4ded3301405efbd1d34da6c9d39a9544748", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0d215d59f9c7e31f05cd2fd39de2f4ded3301405efbd1d34da6c9d39a9544748", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0d215d59f9c7e31f05cd2fd39de2f4ded3301405efbd1d34da6c9d39a9544748", kill_on_drop: false }`
[INFO] [stdout] 0d215d59f9c7e31f05cd2fd39de2f4ded3301405efbd1d34da6c9d39a9544748
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/opt/rustwide/cargo-home/bin/cargo" "+3aedcf06b73fc36feeebca3d579e1d2a6c40acc5" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d2d7b20514bc9d0ad38f0bc1e1013ca9e55311aa038d348cf0dbeb7a3404ad23
[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" "d2d7b20514bc9d0ad38f0bc1e1013ca9e55311aa038d348cf0dbeb7a3404ad23", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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: 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: 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 1.26s
[INFO] running `Command { std: "docker" "inspect" "d2d7b20514bc9d0ad38f0bc1e1013ca9e55311aa038d348cf0dbeb7a3404ad23", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d2d7b20514bc9d0ad38f0bc1e1013ca9e55311aa038d348cf0dbeb7a3404ad23", kill_on_drop: false }`
[INFO] [stdout] d2d7b20514bc9d0ad38f0bc1e1013ca9e55311aa038d348cf0dbeb7a3404ad23