[INFO] fetching crate asciis 0.1.3...
[INFO] testing asciis-0.1.3 against master#0d13f6afeba4935499abe0c9a07426c94492c94e for pr-96025
[INFO] extracting crate asciis 0.1.3 into /workspace/builds/worker-47/source
[INFO] validating manifest of crates.io crate asciis 0.1.3 on toolchain 0d13f6afeba4935499abe0c9a07426c94492c94e
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0d13f6afeba4935499abe0c9a07426c94492c94e" "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-47/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0d13f6afeba4935499abe0c9a07426c94492c94e" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0d13f6afeba4935499abe0c9a07426c94492c94e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-47/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-47/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+0d13f6afeba4935499abe0c9a07426c94492c94e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a0b2d2e4d0878f5c4d7910bbe72e6261df6be0a98adacbcb3cd9e5cbba126047
[INFO] running `Command { std: "docker" "start" "-a" "a0b2d2e4d0878f5c4d7910bbe72e6261df6be0a98adacbcb3cd9e5cbba126047", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a0b2d2e4d0878f5c4d7910bbe72e6261df6be0a98adacbcb3cd9e5cbba126047", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a0b2d2e4d0878f5c4d7910bbe72e6261df6be0a98adacbcb3cd9e5cbba126047", kill_on_drop: false }`
[INFO] [stdout] a0b2d2e4d0878f5c4d7910bbe72e6261df6be0a98adacbcb3cd9e5cbba126047
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-47/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-47/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+0d13f6afeba4935499abe0c9a07426c94492c94e" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9e0a5f6f277c7c7540e3b3f3367dfa2bcc2f1f04906698b5a2c15cdbda28864f
[INFO] running `Command { std: "docker" "start" "-a" "9e0a5f6f277c7c7540e3b3f3367dfa2bcc2f1f04906698b5a2c15cdbda28864f", kill_on_drop: false }`
[INFO] [stderr]    Compiling 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: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.65s
[INFO] running `Command { std: "docker" "inspect" "9e0a5f6f277c7c7540e3b3f3367dfa2bcc2f1f04906698b5a2c15cdbda28864f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9e0a5f6f277c7c7540e3b3f3367dfa2bcc2f1f04906698b5a2c15cdbda28864f", kill_on_drop: false }`
[INFO] [stdout] 9e0a5f6f277c7c7540e3b3f3367dfa2bcc2f1f04906698b5a2c15cdbda28864f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-47/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-47/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+0d13f6afeba4935499abe0c9a07426c94492c94e" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[ERROR] error running command: no output for 300 seconds