[INFO] updating cached repository https://github.com/Recognition2/brainyuck-rust
[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] ef51dcb29ab719f2dfca2a80d9c9a07409dfd8c0
[INFO] testing Recognition2/brainyuck-rust against master#28742a1146f10a4f09369baad027a464acb7a766 for pr-71274
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRecognition2%2Fbrainyuck-rust" "/workspace/builds/worker-8/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Recognition2/brainyuck-rust on toolchain 28742a1146f10a4f09369baad027a464acb7a766
[INFO] running `"/workspace/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/Recognition2/brainyuck-rust
[INFO] finished tweaking git repo https://github.com/Recognition2/brainyuck-rust
[INFO] tweaked toml for git repo https://github.com/Recognition2/brainyuck-rust written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/Recognition2/brainyuck-rust already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+28742a1146f10a4f09369baad027a464acb7a766" "build" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 3f7a08da170887d6db8cda4c8e1a41a6e6019c81729a4aac9e0afbeaa124b123
[INFO] running `"docker" "start" "-a" "3f7a08da170887d6db8cda4c8e1a41a6e6019c81729a4aac9e0afbeaa124b123"`
[INFO] [stderr]    Compiling unicode-width v0.1.4
[INFO] [stderr]    Compiling bitflags v1.0.1
[INFO] [stderr]    Compiling vec_map v0.8.0
[INFO] [stderr]    Compiling strsim v0.6.0
[INFO] [stderr]    Compiling textwrap v0.9.0
[INFO] [stderr]    Compiling clap v2.29.0
[INFO] [stderr]    Compiling tescht v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: variable `comma` is assigned to, but never used
[INFO] [stderr]   --> src/main.rs:36:9
[INFO] [stderr]    |
[INFO] [stderr] 36 |     let mut comma = 0;
[INFO] [stderr]    |         ^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr]    = note: consider using `_comma` instead
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 20.28s
[INFO] running `"docker" "inspect" "3f7a08da170887d6db8cda4c8e1a41a6e6019c81729a4aac9e0afbeaa124b123"`
[INFO] running `"docker" "rm" "-f" "3f7a08da170887d6db8cda4c8e1a41a6e6019c81729a4aac9e0afbeaa124b123"`
[INFO] [stdout] 3f7a08da170887d6db8cda4c8e1a41a6e6019c81729a4aac9e0afbeaa124b123
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+28742a1146f10a4f09369baad027a464acb7a766" "test" "--frozen" "--no-run"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 541a689ca658a2c22bcff32ba8654c3a80b132362711949fa5a24420ef6f0d33
[INFO] running `"docker" "start" "-a" "541a689ca658a2c22bcff32ba8654c3a80b132362711949fa5a24420ef6f0d33"`
[INFO] [stderr]    Compiling tescht v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: variable `comma` is assigned to, but never used
[INFO] [stderr]   --> src/main.rs:36:9
[INFO] [stderr]    |
[INFO] [stderr] 36 |     let mut comma = 0;
[INFO] [stderr]    |         ^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr]    = note: consider using `_comma` instead
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.06s
[INFO] running `"docker" "inspect" "541a689ca658a2c22bcff32ba8654c3a80b132362711949fa5a24420ef6f0d33"`
[INFO] running `"docker" "rm" "-f" "541a689ca658a2c22bcff32ba8654c3a80b132362711949fa5a24420ef6f0d33"`
[INFO] [stdout] 541a689ca658a2c22bcff32ba8654c3a80b132362711949fa5a24420ef6f0d33
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+28742a1146f10a4f09369baad027a464acb7a766" "test" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 347c9b207d200832162f3bcbd77cef66129c29ce2f9b828c2bda93c903df516f
[INFO] running `"docker" "start" "-a" "347c9b207d200832162f3bcbd77cef66129c29ce2f9b828c2bda93c903df516f"`
[INFO] [stderr] warning: variable `comma` is assigned to, but never used
[INFO] [stderr]   --> src/main.rs:36:9
[INFO] [stderr]    |
[INFO] [stderr] 36 |     let mut comma = 0;
[INFO] [stderr]    |         ^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr]    = note: consider using `_comma` instead
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/tescht-ae39ba9d56bd5393
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "347c9b207d200832162f3bcbd77cef66129c29ce2f9b828c2bda93c903df516f"`
[INFO] running `"docker" "rm" "-f" "347c9b207d200832162f3bcbd77cef66129c29ce2f9b828c2bda93c903df516f"`
[INFO] [stdout] 347c9b207d200832162f3bcbd77cef66129c29ce2f9b828c2bda93c903df516f