[INFO] updating cached repository https://github.com/sagudev/t-loop
[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] d4575f0130719adbaefa8c157da9d31a87d29bb6
[INFO] testing sagudev/t-loop against try#41997647ba6a77908f6ef64401414feb00bccf16 for pr-71274
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsagudev%2Ft-loop" "/workspace/builds/worker-13/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-13/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/sagudev/t-loop on toolchain 41997647ba6a77908f6ef64401414feb00bccf16
[INFO] running `"/workspace/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/sagudev/t-loop
[INFO] finished tweaking git repo https://github.com/sagudev/t-loop
[INFO] tweaked toml for git repo https://github.com/sagudev/t-loop written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] crate git repo https://github.com/sagudev/t-loop already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "+41997647ba6a77908f6ef64401414feb00bccf16" "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] 8cfae92d4c3e9dab18e7c05a6c4dcaa16cb78093f01d815d3e42266846dfbc8c
[INFO] running `"docker" "start" "-a" "8cfae92d4c3e9dab18e7c05a6c4dcaa16cb78093f01d815d3e42266846dfbc8c"`
[INFO] [stderr]    Compiling project v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused variable: `n`
[INFO] [stderr]   --> src/main.rs:19:16
[INFO] [stderr]    |
[INFO] [stderr] 19 |             Ok(n) => {
[INFO] [stderr]    |                ^ help: if this is intentional, prefix it with an underscore: `_n`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.69s
[INFO] running `"docker" "inspect" "8cfae92d4c3e9dab18e7c05a6c4dcaa16cb78093f01d815d3e42266846dfbc8c"`
[INFO] running `"docker" "rm" "-f" "8cfae92d4c3e9dab18e7c05a6c4dcaa16cb78093f01d815d3e42266846dfbc8c"`
[INFO] [stdout] 8cfae92d4c3e9dab18e7c05a6c4dcaa16cb78093f01d815d3e42266846dfbc8c
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "+41997647ba6a77908f6ef64401414feb00bccf16" "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] 8785a458e882e829cb81e07001251f42090cd89720767a9256ae3c5fc45c42fa
[INFO] running `"docker" "start" "-a" "8785a458e882e829cb81e07001251f42090cd89720767a9256ae3c5fc45c42fa"`
[INFO] [stderr]    Compiling project v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused variable: `n`
[INFO] [stderr]   --> src/main.rs:19:16
[INFO] [stderr]    |
[INFO] [stderr] 19 |             Ok(n) => {
[INFO] [stderr]    |                ^ help: if this is intentional, prefix it with an underscore: `_n`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.74s
[INFO] running `"docker" "inspect" "8785a458e882e829cb81e07001251f42090cd89720767a9256ae3c5fc45c42fa"`
[INFO] running `"docker" "rm" "-f" "8785a458e882e829cb81e07001251f42090cd89720767a9256ae3c5fc45c42fa"`
[INFO] [stdout] 8785a458e882e829cb81e07001251f42090cd89720767a9256ae3c5fc45c42fa
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "+41997647ba6a77908f6ef64401414feb00bccf16" "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] 5e486daf0a0af43a7db77a9be621d5d456f41117561c934133c5d52c40687009
[INFO] running `"docker" "start" "-a" "5e486daf0a0af43a7db77a9be621d5d456f41117561c934133c5d52c40687009"`
[INFO] [stderr] warning: unused variable: `n`
[INFO] [stderr]   --> src/main.rs:19:16
[INFO] [stderr]    |
[INFO] [stderr] 19 |             Ok(n) => {
[INFO] [stderr]    |                ^ help: if this is intentional, prefix it with an underscore: `_n`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.18s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/project-46940d678100bc25
[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" "5e486daf0a0af43a7db77a9be621d5d456f41117561c934133c5d52c40687009"`
[INFO] running `"docker" "rm" "-f" "5e486daf0a0af43a7db77a9be621d5d456f41117561c934133c5d52c40687009"`
[INFO] [stdout] 5e486daf0a0af43a7db77a9be621d5d456f41117561c934133c5d52c40687009